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| Viewing file: Select action/file-type: /**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
/* <div>#red-ui-workspace-chart
* \- <svg> "outer"
* \- <g>
* \- <g>.red-ui-workspace-chart-event-layer "eventLayer"
* |- <rect>.red-ui-workspace-chart-background
* |- <g>.red-ui-workspace-chart-grid "gridLayer"
* |- <g> "groupLayer"
* |- <g> "groupSelectLayer"
* |- <g> "linkLayer"
* |- <g> "dragGroupLayer"
* |- <g> "nodeLayer"
*/
RED.view = (function() {
var space_width = 5000,
space_height = 5000,
lineCurveScale = 0.75,
scaleFactor = 1,
node_width = 100,
node_height = 30,
dblClickInterval = 650;
var touchLongPressTimeout = 1000,
startTouchDistance = 0,
startTouchCenter = [],
moveTouchCenter = [],
touchStartTime = 0;
var workspaceScrollPositions = {};
var gridSize = 20;
var snapGrid = false;
var activeSpliceLink;
var spliceActive = false;
var spliceTimer;
var groupHoverTimer;
var activeSubflow = null;
var activeNodes = [];
var activeLinks = [];
var activeFlowLinks = [];
var activeLinkNodes = {};
var activeGroup = null;
var activeHoverGroup = null;
var activeGroups = [];
var dirtyGroups = {};
var selected_link = null;
var mousedown_link = null;
var mousedown_node = null;
var mousedown_group = null;
var mousedown_port_type = null;
var mousedown_port_index = 0;
var mouseup_node = null;
var mouse_offset = [0,0];
var mouse_position = null;
var mouse_mode = 0;
var mousedown_group_handle = null;
var lasso = null;
var ghostNode = null;
var showStatus = false;
var lastClickNode = null;
var dblClickPrimed = null;
var clickTime = 0;
var clickElapsed = 0;
var scroll_position = [];
var quickAddActive = false;
var quickAddLink = null;
var showAllLinkPorts = -1;
var groupNodeSelectPrimed = false;
var lastClickPosition = [];
var selectNodesOptions;
var clipboard = "";
// Note: these are the permitted status colour aliases. The actual RGB values
// are set in the CSS - flow.scss/colors.scss
var status_colours = {
"red": "#c00",
"green": "#5a8",
"yellow": "#F9DF31",
"blue": "#53A3F3",
"grey": "#d3d3d3",
"gray": "#d3d3d3"
}
var PORT_TYPE_INPUT = 1;
var PORT_TYPE_OUTPUT = 0;
var chart;
var outer;
var eventLayer;
var gridLayer;
var linkLayer;
var dragGroupLayer;
var groupSelectLayer;
var nodeLayer;
var groupLayer;
var drag_lines;
var movingSet = (function() {
var setIds = new Set();
var set = [];
var api = {
add: function(node) {
if (Array.isArray(node)) {
for (var i=0;i<node.length;i++) {
api.add(node[i]);
}
} else {
if (!setIds.has(node.id)) {
set.push({n:node});
setIds.add(node.id);
}
}
},
remove: function(node, index) {
if (setIds.has(node.id)) {
setIds.delete(node.id);
if (index !== undefined && set[index].n === node) {
set.splice(index,1);
} else {
for (var i=0;i<set.length;i++) {
if (set[i].n === node) {
set.splice(i,1)
break;
}
}
}
}
},
clear: function() {
setIds.clear();
set = [];
},
length: function() { return set.length},
get: function(i) { return set[i] },
forEach: function(func) { set.forEach(func) },
nodes: function() { return set.map(function(n) { return n.n })}
}
return api;
})();
function init() {
chart = $("#red-ui-workspace-chart");
outer = d3.select("#red-ui-workspace-chart")
.append("svg:svg")
.attr("width", space_width)
.attr("height", space_height)
.attr("pointer-events", "all")
.style("cursor","crosshair")
.style("touch-action","none")
.on("mousedown", function() {
focusView();
})
.on("contextmenu", function(){
d3.event.preventDefault();
});
eventLayer = outer
.append("svg:g")
.on("dblclick.zoom", null)
.append("svg:g")
.attr('class','red-ui-workspace-chart-event-layer')
.on("mousemove", canvasMouseMove)
.on("mousedown", canvasMouseDown)
.on("mouseup", canvasMouseUp)
.on("mouseenter", function() {
if (lasso) {
if (d3.event.buttons !== 1) {
lasso.remove();
lasso = null;
}
} else if (mouse_mode === RED.state.PANNING && d3.event.buttons !== 4) {
resetMouseVars();
}
})
.on("touchend", function() {
d3.event.preventDefault();
clearTimeout(touchStartTime);
touchStartTime = null;
if (RED.touch.radialMenu.active()) {
return;
}
canvasMouseUp.call(this);
})
.on("touchcancel", function() {
if (RED.view.DEBUG) { console.warn("eventLayer.touchcancel", mouse_mode); }
d3.event.preventDefault();
canvasMouseUp.call(this);
})
.on("touchstart", function() {
if (RED.view.DEBUG) { console.warn("eventLayer.touchstart", mouse_mode); }
var touch0;
if (d3.event.touches.length>1) {
clearTimeout(touchStartTime);
touchStartTime = null;
d3.event.preventDefault();
touch0 = d3.event.touches.item(0);
var touch1 = d3.event.touches.item(1);
var a = touch0["pageY"]-touch1["pageY"];
var b = touch0["pageX"]-touch1["pageX"];
var offset = chart.offset();
var scrollPos = [chart.scrollLeft(),chart.scrollTop()];
startTouchCenter = [
(touch1["pageX"]+(b/2)-offset.left+scrollPos[0])/scaleFactor,
(touch1["pageY"]+(a/2)-offset.top+scrollPos[1])/scaleFactor
];
moveTouchCenter = [
touch1["pageX"]+(b/2),
touch1["pageY"]+(a/2)
]
startTouchDistance = Math.sqrt((a*a)+(b*b));
} else {
var obj = d3.select(document.body);
touch0 = d3.event.touches.item(0);
var pos = [touch0.pageX,touch0.pageY];
startTouchCenter = [touch0.pageX,touch0.pageY];
startTouchDistance = 0;
var point = d3.touches(this)[0];
touchStartTime = setTimeout(function() {
touchStartTime = null;
showTouchMenu(obj,pos);
//lasso = eventLayer.append("rect")
// .attr("ox",point[0])
// .attr("oy",point[1])
// .attr("rx",2)
// .attr("ry",2)
// .attr("x",point[0])
// .attr("y",point[1])
// .attr("width",0)
// .attr("height",0)
// .attr("class","nr-ui-view-lasso");
},touchLongPressTimeout);
}
d3.event.preventDefault();
})
.on("touchmove", function(){
if (RED.touch.radialMenu.active()) {
d3.event.preventDefault();
return;
}
if (RED.view.DEBUG) { console.warn("eventLayer.touchmove", mouse_mode, mousedown_node); }
var touch0;
if (d3.event.touches.length<2) {
if (touchStartTime) {
touch0 = d3.event.touches.item(0);
var dx = (touch0.pageX-startTouchCenter[0]);
var dy = (touch0.pageY-startTouchCenter[1]);
var d = Math.abs(dx*dx+dy*dy);
if (d > 64) {
clearTimeout(touchStartTime);
touchStartTime = null;
if (!mousedown_node && !mousedown_group) {
mouse_mode = RED.state.PANNING;
mouse_position = [touch0.pageX,touch0.pageY]
scroll_position = [chart.scrollLeft(),chart.scrollTop()];
}
}
} else if (lasso) {
d3.event.preventDefault();
}
canvasMouseMove.call(this);
} else {
touch0 = d3.event.touches.item(0);
var touch1 = d3.event.touches.item(1);
var a = touch0["pageY"]-touch1["pageY"];
var b = touch0["pageX"]-touch1["pageX"];
var offset = chart.offset();
var scrollPos = [chart.scrollLeft(),chart.scrollTop()];
var moveTouchDistance = Math.sqrt((a*a)+(b*b));
var touchCenter = [
touch1["pageX"]+(b/2),
touch1["pageY"]+(a/2)
];
if (!isNaN(moveTouchDistance)) {
oldScaleFactor = scaleFactor;
scaleFactor = Math.min(2,Math.max(0.3, scaleFactor + (Math.floor(((moveTouchDistance*100)-(startTouchDistance*100)))/10000)));
var deltaTouchCenter = [ // Try to pan whilst zooming - not 100%
startTouchCenter[0]*(scaleFactor-oldScaleFactor),//-(touchCenter[0]-moveTouchCenter[0]),
startTouchCenter[1]*(scaleFactor-oldScaleFactor) //-(touchCenter[1]-moveTouchCenter[1])
];
startTouchDistance = moveTouchDistance;
moveTouchCenter = touchCenter;
chart.scrollLeft(scrollPos[0]+deltaTouchCenter[0]);
chart.scrollTop(scrollPos[1]+deltaTouchCenter[1]);
redraw();
}
}
d3.event.preventDefault();
});
// Workspace Background
eventLayer.append("svg:rect")
.attr("class","red-ui-workspace-chart-background")
.attr("width", space_width)
.attr("height", space_height);
gridLayer = eventLayer.append("g").attr("class","red-ui-workspace-chart-grid");
updateGrid();
groupLayer = eventLayer.append("g");
groupSelectLayer = eventLayer.append("g");
linkLayer = eventLayer.append("g");
dragGroupLayer = eventLayer.append("g");
nodeLayer = eventLayer.append("g");
drag_lines = [];
RED.events.on("workspace:change",function(event) {
if (event.old !== 0) {
workspaceScrollPositions[event.old] = {
left:chart.scrollLeft(),
top:chart.scrollTop()
};
}
var scrollStartLeft = chart.scrollLeft();
var scrollStartTop = chart.scrollTop();
activeSubflow = RED.nodes.subflow(event.workspace);
RED.menu.setDisabled("menu-item-workspace-edit", activeSubflow || event.workspace === 0);
RED.menu.setDisabled("menu-item-workspace-delete",event.workspace === 0 || RED.workspaces.count() == 1 || activeSubflow);
if (workspaceScrollPositions[event.workspace]) {
chart.scrollLeft(workspaceScrollPositions[event.workspace].left);
chart.scrollTop(workspaceScrollPositions[event.workspace].top);
} else {
chart.scrollLeft(0);
chart.scrollTop(0);
}
var scrollDeltaLeft = chart.scrollLeft() - scrollStartLeft;
var scrollDeltaTop = chart.scrollTop() - scrollStartTop;
if (mouse_position != null) {
mouse_position[0] += scrollDeltaLeft;
mouse_position[1] += scrollDeltaTop;
}
if (RED.workspaces.selection().length === 0) {
clearSelection();
}
RED.nodes.eachNode(function(n) {
n.dirty = true;
n.dirtyStatus = true;
});
updateSelection();
updateActiveNodes();
redraw();
});
RED.statusBar.add({
id: "view-zoom-controls",
align: "right",
element: $('<span class="button-group">'+
'<button class="red-ui-footer-button" id="red-ui-view-zoom-out"><i class="fa fa-minus"></i></button>'+
'<button class="red-ui-footer-button" id="red-ui-view-zoom-zero"><i class="fa fa-circle-o"></i></button>'+
'<button class="red-ui-footer-button" id="red-ui-view-zoom-in"><i class="fa fa-plus"></i></button>'+
'</span>')
})
$("#red-ui-view-zoom-out").on("click", zoomOut);
RED.popover.tooltip($("#red-ui-view-zoom-out"),RED._('actions.zoom-out'),'core:zoom-out');
$("#red-ui-view-zoom-zero").on("click", zoomZero);
RED.popover.tooltip($("#red-ui-view-zoom-zero"),RED._('actions.zoom-reset'),'core:zoom-reset');
$("#red-ui-view-zoom-in").on("click", zoomIn);
RED.popover.tooltip($("#red-ui-view-zoom-in"),RED._('actions.zoom-in'),'core:zoom-in');
chart.on("DOMMouseScroll mousewheel", function (evt) {
if ( evt.altKey ) {
evt.preventDefault();
evt.stopPropagation();
var move = -(evt.originalEvent.detail) || evt.originalEvent.wheelDelta;
if (move <= 0) { zoomOut(); }
else { zoomIn(); }
}
});
// Handle nodes dragged from the palette
chart.droppable({
accept:".red-ui-palette-node",
drop: function( event, ui ) {
d3.event = event;
var selected_tool = $(ui.draggable[0]).attr("data-palette-type");
var result = addNode(selected_tool);
if (!result) {
return;
}
var historyEvent = result.historyEvent;
var nn = result.node;
var showLabel = RED.utils.getMessageProperty(RED.settings.get('editor'),"view.view-node-show-label");
if (showLabel !== undefined && (nn._def.hasOwnProperty("showLabel")?nn._def.showLabel:true) && !nn._def.defaults.hasOwnProperty("l")) {
nn.l = showLabel;
}
var helperOffset = d3.touches(ui.helper.get(0))[0]||d3.mouse(ui.helper.get(0));
var mousePos = d3.touches(this)[0]||d3.mouse(this);
mousePos[1] += this.scrollTop + ((nn.h/2)-helperOffset[1]);
mousePos[0] += this.scrollLeft + ((nn.w/2)-helperOffset[0]);
mousePos[1] /= scaleFactor;
mousePos[0] /= scaleFactor;
if (snapGrid) {
mousePos[0] = gridSize*(Math.ceil(mousePos[0]/gridSize));
mousePos[1] = gridSize*(Math.ceil(mousePos[1]/gridSize));
}
nn.x = mousePos[0];
nn.y = mousePos[1];
var spliceLink = $(ui.helper).data("splice");
if (spliceLink) {
// TODO: DRY - droppable/nodeMouseDown/canvasMouseUp/showQuickAddDialog
RED.nodes.removeLink(spliceLink);
var link1 = {
source:spliceLink.source,
sourcePort:spliceLink.sourcePort,
target: nn
};
var link2 = {
source:nn,
sourcePort:0,
target: spliceLink.target
};
RED.nodes.addLink(link1);
RED.nodes.addLink(link2);
historyEvent.links = [link1,link2];
historyEvent.removedLinks = [spliceLink];
}
RED.nodes.add(nn);
var group = $(ui.helper).data("group");
if (group) {
RED.group.addToGroup(group, nn);
historyEvent = {
t: 'multi',
events: [historyEvent],
}
historyEvent.events.push({
t: "addToGroup",
group: group,
nodes: nn
})
}
RED.history.push(historyEvent);
RED.editor.validateNode(nn);
RED.nodes.dirty(true);
// auto select dropped node - so info shows (if visible)
exitActiveGroup();
clearSelection();
nn.selected = true;
movingSet.add(nn);
if (group) {
selectGroup(group,false);
enterActiveGroup(group);
activeGroup = group;
}
updateActiveNodes();
updateSelection();
redraw();
if (nn._def.autoedit) {
RED.editor.edit(nn);
}
}
});
chart.on("focus", function() {
$("#red-ui-workspace-tabs").addClass("red-ui-workspace-focussed");
});
chart.on("blur", function() {
$("#red-ui-workspace-tabs").removeClass("red-ui-workspace-focussed");
});
RED.actions.add("core:copy-selection-to-internal-clipboard",copySelection);
RED.actions.add("core:cut-selection-to-internal-clipboard",function(){copySelection();deleteSelection();});
RED.actions.add("core:paste-from-internal-clipboard",function(){importNodes(clipboard,{generateIds: true});});
RED.events.on("view:selection-changed", function(selection) {
var hasSelection = (selection.nodes && selection.nodes.length > 0);
var hasMultipleSelection = hasSelection && selection.nodes.length > 1;
RED.menu.setDisabled("menu-item-edit-cut",!hasSelection);
RED.menu.setDisabled("menu-item-edit-copy",!hasSelection);
RED.menu.setDisabled("menu-item-edit-select-connected",!hasSelection);
RED.menu.setDisabled("menu-item-view-tools-move-to-back",!hasSelection);
RED.menu.setDisabled("menu-item-view-tools-move-to-front",!hasSelection);
RED.menu.setDisabled("menu-item-view-tools-move-backwards",!hasSelection);
RED.menu.setDisabled("menu-item-view-tools-move-forwards",!hasSelection);
RED.menu.setDisabled("menu-item-view-tools-align-left",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-align-center",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-align-right",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-align-top",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-align-middle",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-align-bottom",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-distribute-horizontally",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-distribute-veritcally",!hasMultipleSelection);
})
RED.actions.add("core:delete-selection",deleteSelection);
RED.actions.add("core:edit-selected-node",editSelection);
RED.actions.add("core:go-to-selection",function() {
if (movingSet.length() > 0) {
var node = movingSet.get(0).n;
if (/^subflow:/.test(node.type)) {
RED.workspaces.show(node.type.substring(8))
} else if (node.type === 'group') {
enterActiveGroup(node);
redraw();
}
}
});
RED.actions.add("core:undo",RED.history.pop);
RED.actions.add("core:redo",RED.history.redo);
RED.actions.add("core:select-all-nodes",selectAll);
RED.actions.add("core:select-none", selectNone);
RED.actions.add("core:zoom-in",zoomIn);
RED.actions.add("core:zoom-out",zoomOut);
RED.actions.add("core:zoom-reset",zoomZero);
RED.actions.add("core:enable-selected-nodes", function() { setSelectedNodeState(false)});
RED.actions.add("core:disable-selected-nodes", function() { setSelectedNodeState(true)});
RED.actions.add("core:toggle-show-grid",function(state) {
if (state === undefined) {
RED.userSettings.toggle("view-show-grid");
} else {
toggleShowGrid(state);
}
});
RED.actions.add("core:toggle-snap-grid",function(state) {
if (state === undefined) {
RED.userSettings.toggle("view-snap-grid");
} else {
toggleSnapGrid(state);
}
});
RED.actions.add("core:toggle-status",function(state) {
if (state === undefined) {
RED.userSettings.toggle("view-node-status");
} else {
toggleStatus(state);
}
});
RED.view.annotations.init();
RED.view.navigator.init();
RED.view.tools.init();
RED.view.annotations.register("red-ui-flow-node-changed",{
type: "badge",
class: "red-ui-flow-node-changed",
element: function() {
var changeBadge = document.createElementNS("http://www.w3.org/2000/svg","circle");
changeBadge.setAttribute("cx",5);
changeBadge.setAttribute("cy",5);
changeBadge.setAttribute("r",5);
return changeBadge;
},
show: function(n) { return n.changed||n.moved }
})
RED.view.annotations.register("red-ui-flow-node-error",{
type: "badge",
class: "red-ui-flow-node-error",
element: function(d) {
var errorBadge = document.createElementNS("http://www.w3.org/2000/svg","path");
errorBadge.setAttribute("d","M 0,9 l 10,0 -5,-8 z");
return errorBadge
},
tooltip: function(d) {
if (d.validationErrors && d.validationErrors.length > 0) {
return RED._("editor.errors.invalidProperties")+"\n - "+d.validationErrors.join("\n - ")
}
},
show: function(n) { return !n.valid }
})
}
function updateGrid() {
var gridTicks = [];
for (var i=0;i<space_width;i+=+gridSize) {
gridTicks.push(i);
}
gridLayer.selectAll("line.red-ui-workspace-chart-grid-h").remove();
gridLayer.selectAll("line.red-ui-workspace-chart-grid-h").data(gridTicks).enter()
.append("line")
.attr(
{
"class":"red-ui-workspace-chart-grid-h",
"x1" : 0,
"x2" : space_width,
"y1" : function(d){ return d;},
"y2" : function(d){ return d;}
});
gridLayer.selectAll("line.red-ui-workspace-chart-grid-v").remove();
gridLayer.selectAll("line.red-ui-workspace-chart-grid-v").data(gridTicks).enter()
.append("line")
.attr(
{
"class":"red-ui-workspace-chart-grid-v",
"y1" : 0,
"y2" : space_width,
"x1" : function(d){ return d;},
"x2" : function(d){ return d;}
});
}
function showDragLines(nodes) {
showAllLinkPorts = -1;
for (var i=0;i<nodes.length;i++) {
var node = nodes[i];
node.el = dragGroupLayer.append("svg:path").attr("class", "red-ui-flow-drag-line");
if ((node.node.type === "link out" && node.portType === PORT_TYPE_OUTPUT) ||
(node.node.type === "link in" && node.portType === PORT_TYPE_INPUT)) {
node.el.attr("class","red-ui-flow-link-link red-ui-flow-drag-line");
node.virtualLink = true;
showAllLinkPorts = (node.portType === PORT_TYPE_OUTPUT)?PORT_TYPE_INPUT:PORT_TYPE_OUTPUT;
}
drag_lines.push(node);
}
if (showAllLinkPorts !== -1) {
activeNodes.forEach(function(n) {
if (n.type === "link in" || n.type === "link out") {
n.dirty = true;
}
})
}
}
function hideDragLines() {
if (showAllLinkPorts !== -1) {
activeNodes.forEach(function(n) {
if (n.type === "link in" || n.type === "link out") {
n.dirty = true;
}
})
}
showAllLinkPorts = -1;
while(drag_lines.length) {
var line = drag_lines.pop();
if (line.el) {
line.el.remove();
}
}
}
function updateActiveNodes() {
var activeWorkspace = RED.workspaces.active();
if (activeWorkspace !== 0) {
activeNodes = RED.nodes.filterNodes({z:activeWorkspace});
activeNodes.forEach(function(n,i) {
n._index = i;
})
activeLinks = RED.nodes.filterLinks({
source:{z:activeWorkspace},
target:{z:activeWorkspace}
});
activeGroups = RED.nodes.groups(activeWorkspace)||[];
activeGroups.forEach(function(g, i) {
g._index = i;
if (g.g) {
g._root = g.g;
g._depth = 1;
} else {
g._root = g.id;
g._depth = 0;
}
});
} else {
activeNodes = [];
activeLinks = [];
activeGroups = [];
}
var changed = false;
do {
changed = false;
activeGroups.forEach(function(g) {
if (g.g) {
var parentGroup = RED.nodes.group(g.g);
if (parentGroup) {
var parentDepth = parentGroup._depth;
if (g._depth !== parentDepth + 1) {
g._depth = parentDepth + 1;
changed = true;
}
if (g._root !== parentGroup._root) {
g._root = parentGroup._root;
changed = true;
}
}
}
});
} while (changed)
activeGroups.sort(function(a,b) {
if (a._root === b._root) {
return a._depth - b._depth;
} else {
// return a._root.localeCompare(b._root);
return a._index - b._index;
}
});
var group = groupLayer.selectAll(".red-ui-flow-group").data(activeGroups,function(d) { return d.id });
group.sort(function(a,b) {
if (a._root === b._root) {
return a._depth - b._depth;
} else {
return a._index - b._index;
// return a._root.localeCompare(b._root);
}
})
}
function generateLinkPath(origX,origY, destX, destY, sc) {
var dy = destY-origY;
var dx = destX-origX;
var delta = Math.sqrt(dy*dy+dx*dx);
var scale = lineCurveScale;
var scaleY = 0;
if (dx*sc > 0) {
if (delta < node_width) {
scale = 0.75-0.75*((node_width-delta)/node_width);
// scale += 2*(Math.min(5*node_width,Math.abs(dx))/(5*node_width));
// if (Math.abs(dy) < 3*node_height) {
// scaleY = ((dy>0)?0.5:-0.5)*(((3*node_height)-Math.abs(dy))/(3*node_height))*(Math.min(node_width,Math.abs(dx))/(node_width)) ;
// }
}
} else {
scale = 0.4-0.2*(Math.max(0,(node_width-Math.min(Math.abs(dx),Math.abs(dy)))/node_width));
}
if (dx*sc > 0) {
return "M "+origX+" "+origY+
" C "+(origX+sc*(node_width*scale))+" "+(origY+scaleY*node_height)+" "+
(destX-sc*(scale)*node_width)+" "+(destY-scaleY*node_height)+" "+
destX+" "+destY
} else {
var midX = Math.floor(destX-dx/2);
var midY = Math.floor(destY-dy/2);
//
if (dy === 0) {
midY = destY + node_height;
}
var cp_height = node_height/2;
var y1 = (destY + midY)/2
var topX =origX + sc*node_width*scale;
var topY = dy>0?Math.min(y1 - dy/2 , origY+cp_height):Math.max(y1 - dy/2 , origY-cp_height);
var bottomX = destX - sc*node_width*scale;
var bottomY = dy>0?Math.max(y1, destY-cp_height):Math.min(y1, destY+cp_height);
var x1 = (origX+topX)/2;
var scy = dy>0?1:-1;
var cp = [
// Orig -> Top
[x1,origY],
[topX,dy>0?Math.max(origY, topY-cp_height):Math.min(origY, topY+cp_height)],
// Top -> Mid
// [Mirror previous cp]
[x1,dy>0?Math.min(midY, topY+cp_height):Math.max(midY, topY-cp_height)],
// Mid -> Bottom
// [Mirror previous cp]
[bottomX,dy>0?Math.max(midY, bottomY-cp_height):Math.min(midY, bottomY+cp_height)],
// Bottom -> Dest
// [Mirror previous cp]
[(destX+bottomX)/2,destY]
];
if (cp[2][1] === topY+scy*cp_height) {
if (Math.abs(dy) < cp_height*10) {
cp[1][1] = topY-scy*cp_height/2;
cp[3][1] = bottomY-scy*cp_height/2;
}
cp[2][0] = topX;
}
return "M "+origX+" "+origY+
" C "+
cp[0][0]+" "+cp[0][1]+" "+
cp[1][0]+" "+cp[1][1]+" "+
topX+" "+topY+
" S "+
cp[2][0]+" "+cp[2][1]+" "+
midX+" "+midY+
" S "+
cp[3][0]+" "+cp[3][1]+" "+
bottomX+" "+bottomY+
" S "+
cp[4][0]+" "+cp[4][1]+" "+
destX+" "+destY
}
}
function addNode(type,x,y) {
var m = /^subflow:(.+)$/.exec(type);
if (activeSubflow && m) {
var subflowId = m[1];
if (subflowId === activeSubflow.id) {
RED.notify(RED._("notification.error",{message: RED._("notification.errors.cannotAddSubflowToItself")}),"error");
return;
}
if (RED.nodes.subflowContains(m[1],activeSubflow.id)) {
RED.notify(RED._("notification.error",{message: RED._("notification.errors.cannotAddCircularReference")}),"error");
return;
}
}
var nn = { id:RED.nodes.id(),z:RED.workspaces.active()};
nn.type = type;
nn._def = RED.nodes.getType(nn.type);
if (!m) {
nn.inputs = nn._def.inputs || 0;
nn.outputs = nn._def.outputs;
for (var d in nn._def.defaults) {
if (nn._def.defaults.hasOwnProperty(d)) {
if (nn._def.defaults[d].value !== undefined) {
nn[d] = JSON.parse(JSON.stringify(nn._def.defaults[d].value));
}
}
}
if (nn._def.onadd) {
try {
nn._def.onadd.call(nn);
} catch(err) {
console.log("Definition error: "+nn.type+".onadd:",err);
}
}
} else {
var subflow = RED.nodes.subflow(m[1]);
nn.name = "";
nn.inputs = subflow.in.length;
nn.outputs = subflow.out.length;
}
nn.changed = true;
nn.moved = true;
nn.w = node_width;
nn.h = Math.max(node_height,(nn.outputs||0) * 15);
nn.resize = true;
var historyEvent = {
t:"add",
nodes:[nn.id],
dirty:RED.nodes.dirty()
}
if (activeSubflow) {
var subflowRefresh = RED.subflow.refresh(true);
if (subflowRefresh) {
historyEvent.subflow = {
id:activeSubflow.id,
changed: activeSubflow.changed,
instances: subflowRefresh.instances
}
}
}
return {
node: nn,
historyEvent: historyEvent
}
}
function canvasMouseDown() {
if (RED.view.DEBUG) { console.warn("canvasMouseDown", mouse_mode); }
var point;
if (mouse_mode === RED.state.SELECTING_NODE) {
d3.event.stopPropagation();
return;
}
if (d3.event.button === 1) {
// Middle Click pan
mouse_mode = RED.state.PANNING;
mouse_position = [d3.event.pageX,d3.event.pageY]
scroll_position = [chart.scrollLeft(),chart.scrollTop()];
return;
}
if (!mousedown_node && !mousedown_link && !mousedown_group) {
selected_link = null;
updateSelection();
}
if (mouse_mode === 0) {
if (lasso) {
lasso.remove();
lasso = null;
}
}
if (mouse_mode === 0 || mouse_mode === RED.state.QUICK_JOINING) {
if (d3.event.metaKey || d3.event.ctrlKey) {
d3.event.stopPropagation();
clearSelection();
point = d3.mouse(this);
var clickedGroup = getGroupAt(point[0],point[1]);
if (drag_lines.length > 0) {
clickedGroup = clickedGroup || RED.nodes.group(drag_lines[0].node.g)
}
showQuickAddDialog({position:point, group:clickedGroup});
}
}
if (mouse_mode === 0 && !(d3.event.metaKey || d3.event.ctrlKey)) {
if (!touchStartTime) {
point = d3.mouse(this);
lasso = eventLayer.append("rect")
.attr("ox",point[0])
.attr("oy",point[1])
.attr("rx",1)
.attr("ry",1)
.attr("x",point[0])
.attr("y",point[1])
.attr("width",0)
.attr("height",0)
.attr("class","nr-ui-view-lasso");
d3.event.preventDefault();
}
}
}
function showQuickAddDialog(options) {
options = options || {};
var point = options.position || lastClickPosition;
var spliceLink = options.splice;
var targetGroup = options.group;
var touchTrigger = options.touchTrigger;
if (targetGroup && !targetGroup.active) {
selectGroup(targetGroup,false);
enterActiveGroup(targetGroup);
RED.view.redraw();
}
var ox = point[0];
var oy = point[1];
if (RED.settings.get("editor").view['view-snap-grid']) {
// eventLayer.append("circle").attr("cx",point[0]).attr("cy",point[1]).attr("r","2").attr('fill','red')
point[0] = Math.round(point[0] / gridSize) * gridSize;
point[1] = Math.round(point[1] / gridSize) * gridSize;
// eventLayer.append("circle").attr("cx",point[0]).attr("cy",point[1]).attr("r","2").attr('fill','blue')
}
var mainPos = $("#red-ui-main-container").position();
if (mouse_mode !== RED.state.QUICK_JOINING) {
mouse_mode = RED.state.QUICK_JOINING;
$(window).on('keyup',disableQuickJoinEventHandler);
}
quickAddActive = true;
if (ghostNode) {
ghostNode.remove();
}
ghostNode = eventLayer.append("g").attr('transform','translate('+(point[0] - node_width/2)+','+(point[1] - node_height/2)+')');
ghostNode.append("rect")
.attr("class","red-ui-flow-node-placeholder")
.attr("rx", 5)
.attr("ry", 5)
.attr("width",node_width)
.attr("height",node_height)
.attr("fill","none")
// var ghostLink = ghostNode.append("svg:path")
// .attr("class","red-ui-flow-link-link")
// .attr("d","M 0 "+(node_height/2)+" H "+(gridSize * -2))
// .attr("opacity",0);
var filter;
if (drag_lines.length > 0) {
if (drag_lines[0].virtualLink) {
filter = {type:drag_lines[0].node.type === 'link in'?'link out':'link in'}
} else if (drag_lines[0].portType === PORT_TYPE_OUTPUT) {
filter = {input:true}
} else {
filter = {output:true}
}
quickAddLink = {
node: drag_lines[0].node,
port: drag_lines[0].port,
portType: drag_lines[0].portType,
}
if (drag_lines[0].virtualLink) {
quickAddLink.virtualLink = true;
}
hideDragLines();
}
if (spliceLink) {
filter = {input:true, output:true}
}
var rebuildQuickAddLink = function() {
if (!quickAddLink) {
return;
}
if (!quickAddLink.el) {
quickAddLink.el = dragGroupLayer.append("svg:path").attr("class", "red-ui-flow-drag-line");
}
var numOutputs = (quickAddLink.portType === PORT_TYPE_OUTPUT)?(quickAddLink.node.outputs || 1):1;
var sourcePort = quickAddLink.port;
var portY = -((numOutputs-1)/2)*13 +13*sourcePort;
var sc = (quickAddLink.portType === PORT_TYPE_OUTPUT)?1:-1;
quickAddLink.el.attr("d",generateLinkPath(quickAddLink.node.x+sc*quickAddLink.node.w/2,quickAddLink.node.y+portY,point[0]-sc*node_width/2,point[1],sc));
}
if (quickAddLink) {
rebuildQuickAddLink();
}
var lastAddedX;
var lastAddedWidth;
RED.typeSearch.show({
x:d3.event.clientX-mainPos.left-node_width/2 - (ox-point[0]),
y:d3.event.clientY-mainPos.top+ node_height/2 + 5 - (oy-point[1]),
disableFocus: touchTrigger,
filter: filter,
move: function(dx,dy) {
if (ghostNode) {
var pos = d3.transform(ghostNode.attr("transform")).translate;
ghostNode.attr("transform","translate("+(pos[0]+dx)+","+(pos[1]+dy)+")")
point[0] += dx;
point[1] += dy;
rebuildQuickAddLink();
}
},
cancel: function() {
if (quickAddLink) {
if (quickAddLink.el) {
quickAddLink.el.remove();
}
quickAddLink = null;
}
quickAddActive = false;
if (ghostNode) {
ghostNode.remove();
}
resetMouseVars();
updateSelection();
hideDragLines();
redraw();
},
add: function(type,keepAdding) {
if (touchTrigger) {
keepAdding = false;
resetMouseVars();
}
var result = addNode(type);
if (!result) {
return;
}
if (keepAdding) {
mouse_mode = RED.state.QUICK_JOINING;
}
var nn = result.node;
var historyEvent = result.historyEvent;
nn.x = point[0];
nn.y = point[1];
var showLabel = RED.utils.getMessageProperty(RED.settings.get('editor'),"view.view-node-show-label");
if (showLabel !== undefined && (nn._def.hasOwnProperty("showLabel")?nn._def.showLabel:true) && !nn._def.defaults.hasOwnProperty("l")) {
nn.l = showLabel;
}
if (quickAddLink) {
var drag_line = quickAddLink;
var src = null,dst,src_port;
if (drag_line.portType === PORT_TYPE_OUTPUT && (nn.inputs > 0 || drag_line.virtualLink) ) {
src = drag_line.node;
src_port = drag_line.port;
dst = nn;
} else if (drag_line.portType === PORT_TYPE_INPUT && (nn.outputs > 0 || drag_line.virtualLink)) {
src = nn;
dst = drag_line.node;
src_port = 0;
}
if (src !== null) {
// Joining link nodes via virual wires. Need to update
// the src and dst links property
if (drag_line.virtualLink) {
historyEvent = {
t:'multi',
events: [historyEvent]
}
var oldSrcLinks = $.extend(true,{},{v:src.links}).v
var oldDstLinks = $.extend(true,{},{v:dst.links}).v
src.links.push(dst.id);
dst.links.push(src.id);
src.dirty = true;
dst.dirty = true;
historyEvent.events.push({
t:'edit',
node: src,
dirty: RED.nodes.dirty(),
changed: src.changed,
changes: {
links:oldSrcLinks
}
});
historyEvent.events.push({
t:'edit',
node: dst,
dirty: RED.nodes.dirty(),
changed: dst.changed,
changes: {
links:oldDstLinks
}
});
src.changed = true;
dst.changed = true;
} else {
var link = {source: src, sourcePort:src_port, target: dst};
RED.nodes.addLink(link);
historyEvent.links = [link];
}
if (!keepAdding) {
quickAddLink.el.remove();
quickAddLink = null;
if (mouse_mode === RED.state.QUICK_JOINING) {
if (drag_line.portType === PORT_TYPE_OUTPUT && nn.outputs > 0) {
showDragLines([{node:nn,port:0,portType:PORT_TYPE_OUTPUT}]);
} else if (!quickAddLink && drag_line.portType === PORT_TYPE_INPUT && nn.inputs > 0) {
showDragLines([{node:nn,port:0,portType:PORT_TYPE_INPUT}]);
} else {
resetMouseVars();
}
}
} else {
quickAddLink.node = nn;
quickAddLink.port = 0;
}
} else {
hideDragLines();
resetMouseVars();
}
} else {
if (!keepAdding) {
if (mouse_mode === RED.state.QUICK_JOINING) {
if (nn.outputs > 0) {
showDragLines([{node:nn,port:0,portType:PORT_TYPE_OUTPUT}]);
} else if (nn.inputs > 0) {
showDragLines([{node:nn,port:0,portType:PORT_TYPE_INPUT}]);
} else {
resetMouseVars();
}
}
} else {
if (nn.outputs > 0) {
quickAddLink = {
node: nn,
port: 0,
portType: PORT_TYPE_OUTPUT
}
} else if (nn.inputs > 0) {
quickAddLink = {
node: nn,
port: 0,
portType: PORT_TYPE_INPUT
}
} else {
resetMouseVars();
}
}
}
RED.nodes.add(nn);
RED.editor.validateNode(nn);
if (targetGroup) {
RED.group.addToGroup(targetGroup, nn);
if (historyEvent.t !== "multi") {
historyEvent = {
t:'multi',
events: [historyEvent]
}
}
historyEvent.events.push({
t: "addToGroup",
group: targetGroup,
nodes: nn
})
}
if (spliceLink) {
resetMouseVars();
// TODO: DRY - droppable/nodeMouseDown/canvasMouseUp/showQuickAddDialog
RED.nodes.removeLink(spliceLink);
var link1 = {
source:spliceLink.source,
sourcePort:spliceLink.sourcePort,
target: nn
};
var link2 = {
source:nn,
sourcePort:0,
target: spliceLink.target
};
RED.nodes.addLink(link1);
RED.nodes.addLink(link2);
historyEvent.links = (historyEvent.links || []).concat([link1,link2]);
historyEvent.removedLinks = [spliceLink];
}
RED.history.push(historyEvent);
RED.nodes.dirty(true);
// auto select dropped node - so info shows (if visible)
clearSelection();
nn.selected = true;
if (targetGroup) {
selectGroup(targetGroup,false);
enterActiveGroup(targetGroup);
}
movingSet.add(nn);
updateActiveNodes();
updateSelection();
redraw();
// At this point the newly added node will have a real width,
// so check if the position needs nudging
if (lastAddedX !== undefined) {
var lastNodeRHEdge = lastAddedX + lastAddedWidth/2;
var thisNodeLHEdge = nn.x - nn.w/2;
var gap = thisNodeLHEdge - lastNodeRHEdge;
if (gap != gridSize *2) {
nn.x = nn.x + gridSize * 2 - gap;
nn.dirty = true;
nn.x = Math.ceil(nn.x / gridSize) * gridSize;
redraw();
}
}
if (keepAdding) {
if (lastAddedX === undefined) {
// ghostLink.attr("opacity",1);
setTimeout(function() {
RED.typeSearch.refresh({filter:{input:true}});
},100);
}
lastAddedX = nn.x;
lastAddedWidth = nn.w;
point[0] = nn.x + nn.w/2 + node_width/2 + gridSize * 2;
ghostNode.attr('transform','translate('+(point[0] - node_width/2)+','+(point[1] - node_height/2)+')');
rebuildQuickAddLink();
} else {
quickAddActive = false;
ghostNode.remove();
}
}
});
updateActiveNodes();
updateSelection();
redraw();
}
function canvasMouseMove() {
var i;
var node;
// Prevent touch scrolling...
//if (d3.touches(this)[0]) {
// d3.event.preventDefault();
//}
// TODO: auto scroll the container
//var point = d3.mouse(this);
//if (point[0]-container.scrollLeft < 30 && container.scrollLeft > 0) { container.scrollLeft -= 15; }
//console.log(d3.mouse(this),container.offsetWidth,container.offsetHeight,container.scrollLeft,container.scrollTop);
if (mouse_mode === RED.state.PANNING) {
var pos = [d3.event.pageX,d3.event.pageY];
if (d3.event.touches) {
var touch0 = d3.event.touches.item(0);
pos = [touch0.pageX, touch0.pageY];
}
var deltaPos = [
mouse_position[0]-pos[0],
mouse_position[1]-pos[1]
];
chart.scrollLeft(scroll_position[0]+deltaPos[0])
chart.scrollTop(scroll_position[1]+deltaPos[1])
return
}
mouse_position = d3.touches(this)[0]||d3.mouse(this);
if (lasso) {
var ox = parseInt(lasso.attr("ox"));
var oy = parseInt(lasso.attr("oy"));
var x = parseInt(lasso.attr("x"));
var y = parseInt(lasso.attr("y"));
var w;
var h;
if (mouse_position[0] < ox) {
x = mouse_position[0];
w = ox-x;
} else {
w = mouse_position[0]-x;
}
if (mouse_position[1] < oy) {
y = mouse_position[1];
h = oy-y;
} else {
h = mouse_position[1]-y;
}
lasso
.attr("x",x)
.attr("y",y)
.attr("width",w)
.attr("height",h)
;
return;
}
if (mouse_mode === RED.state.SELECTING_NODE) {
d3.event.stopPropagation();
return;
}
if (mouse_mode != RED.state.QUICK_JOINING && mouse_mode != RED.state.IMPORT_DRAGGING && !mousedown_node && !mousedown_group && selected_link == null) {
return;
}
var mousePos;
// if (mouse_mode === RED.state.GROUP_RESIZE) {
// mousePos = mouse_position;
// var nx = mousePos[0] + mousedown_group.dx;
// var ny = mousePos[1] + mousedown_group.dy;
// switch(mousedown_group.activeHandle) {
// case 0: mousedown_group.pos.x0 = nx; mousedown_group.pos.y0 = ny; break;
// case 1: mousedown_group.pos.x1 = nx; mousedown_group.pos.y0 = ny; break;
// case 2: mousedown_group.pos.x1 = nx; mousedown_group.pos.y1 = ny; break;
// case 3: mousedown_group.pos.x0 = nx; mousedown_group.pos.y1 = ny; break;
// }
// mousedown_group.dirty = true;
// }
if (mouse_mode == RED.state.JOINING || mouse_mode === RED.state.QUICK_JOINING) {
// update drag line
if (drag_lines.length === 0 && mousedown_port_type !== null) {
if (d3.event.shiftKey) {
// Get all the wires we need to detach.
var links = [];
var existingLinks = [];
if (selected_link &&
((mousedown_port_type === PORT_TYPE_OUTPUT &&
selected_link.source === mousedown_node &&
selected_link.sourcePort === mousedown_port_index
) ||
(mousedown_port_type === PORT_TYPE_INPUT &&
selected_link.target === mousedown_node
))
) {
existingLinks = [selected_link];
} else {
var filter;
if (mousedown_port_type === PORT_TYPE_OUTPUT) {
filter = {
source:mousedown_node,
sourcePort: mousedown_port_index
}
} else {
filter = {
target: mousedown_node
}
}
existingLinks = RED.nodes.filterLinks(filter);
}
for (i=0;i<existingLinks.length;i++) {
var link = existingLinks[i];
RED.nodes.removeLink(link);
links.push({
link:link,
node: (mousedown_port_type===PORT_TYPE_OUTPUT)?link.target:link.source,
port: (mousedown_port_type===PORT_TYPE_OUTPUT)?0:link.sourcePort,
portType: (mousedown_port_type===PORT_TYPE_OUTPUT)?PORT_TYPE_INPUT:PORT_TYPE_OUTPUT
})
}
if (links.length === 0) {
resetMouseVars();
redraw();
} else {
showDragLines(links);
mouse_mode = 0;
updateActiveNodes();
redraw();
mouse_mode = RED.state.JOINING;
}
} else if (mousedown_node && !quickAddLink) {
showDragLines([{node:mousedown_node,port:mousedown_port_index,portType:mousedown_port_type}]);
}
selected_link = null;
}
mousePos = mouse_position;
for (i=0;i<drag_lines.length;i++) {
var drag_line = drag_lines[i];
var numOutputs = (drag_line.portType === PORT_TYPE_OUTPUT)?(drag_line.node.outputs || 1):1;
var sourcePort = drag_line.port;
var portY = -((numOutputs-1)/2)*13 +13*sourcePort;
var sc = (drag_line.portType === PORT_TYPE_OUTPUT)?1:-1;
drag_line.el.attr("d",generateLinkPath(drag_line.node.x+sc*drag_line.node.w/2,drag_line.node.y+portY,mousePos[0],mousePos[1],sc));
}
d3.event.preventDefault();
} else if (mouse_mode == RED.state.MOVING) {
mousePos = d3.mouse(document.body);
if (isNaN(mousePos[0])) {
mousePos = d3.touches(document.body)[0];
}
var d = (mouse_offset[0]-mousePos[0])*(mouse_offset[0]-mousePos[0]) + (mouse_offset[1]-mousePos[1])*(mouse_offset[1]-mousePos[1]);
if ((d > 3 && !dblClickPrimed) || (dblClickPrimed && d > 10)) {
mouse_mode = RED.state.MOVING_ACTIVE;
clickElapsed = 0;
spliceActive = false;
if (movingSet.length() === 1) {
node = movingSet.get(0);
spliceActive = node.n.hasOwnProperty("_def") &&
((node.n.hasOwnProperty("inputs") && node.n.inputs > 0) || (!node.n.hasOwnProperty("inputs") && node.n._def.inputs > 0)) &&
((node.n.hasOwnProperty("outputs") && node.n.outputs > 0) || (!node.n.hasOwnProperty("outputs") && node.n._def.outputs > 0)) &&
RED.nodes.filterLinks({ source: node.n }).length === 0 &&
RED.nodes.filterLinks({ target: node.n }).length === 0;
}
}
} else if (mouse_mode == RED.state.MOVING_ACTIVE || mouse_mode == RED.state.IMPORT_DRAGGING) {
mousePos = mouse_position;
var minX = 0;
var minY = 0;
var maxX = space_width;
var maxY = space_height;
for (var n = 0; n<movingSet.length(); n++) {
node = movingSet.get(n);
if (d3.event.shiftKey) {
node.n.ox = node.n.x;
node.n.oy = node.n.y;
}
node.n.x = mousePos[0]+node.dx;
node.n.y = mousePos[1]+node.dy;
node.n.dirty = true;
if (node.n.type === "group") {
if (node.n.groupMoved !== false) {
node.n.groupMoved = true;
}
RED.group.markDirty(node.n);
minX = Math.min(node.n.x-5,minX);
minY = Math.min(node.n.y-5,minY);
maxX = Math.max(node.n.x+node.n.w+5,maxX);
maxY = Math.max(node.n.y+node.n.h+5,maxY);
} else {
minX = Math.min(node.n.x-node.n.w/2-5,minX);
minY = Math.min(node.n.y-node.n.h/2-5,minY);
maxX = Math.max(node.n.x+node.n.w/2+5,maxX);
maxY = Math.max(node.n.y+node.n.h/2+5,maxY);
}
}
if (minX !== 0 || minY !== 0) {
for (i = 0; i<movingSet.length(); i++) {
node = movingSet.get(i);
node.n.x -= minX;
node.n.y -= minY;
}
}
if (maxX !== space_width || maxY !== space_height) {
for (i = 0; i<movingSet.length(); i++) {
node = movingSet.get(i);
node.n.x -= (maxX - space_width);
node.n.y -= (maxY - space_height);
}
}
// if (mousedown_group) {
// mousedown_group.x = mousePos[0] + mousedown_group.dx;
// mousedown_group.y = mousePos[1] + mousedown_group.dy;
// mousedown_group.dirty = true;
// }
var gridOffset = [0,0];
if (snapGrid != d3.event.shiftKey && movingSet.length() > 0) {
var i = 0;
// Prefer to snap nodes to the grid if there is one in the selection
do {
node = movingSet.get(i++);
} while(i<movingSet.length() && node.n.type === "group")
if (node.n.type === "group") {
// TODO: Group snap to grid
gridOffset[0] = node.n.x-(gridSize*Math.floor(node.n.x/gridSize))-gridSize/2;
gridOffset[1] = node.n.y-(gridSize*Math.floor(node.n.y/gridSize))-gridSize/2;
} else {
gridOffset[0] = node.n.x-(gridSize*Math.floor((node.n.x-node.n.w/2)/gridSize)+node.n.w/2);
gridOffset[1] = node.n.y-(gridSize*Math.floor(node.n.y/gridSize));
}
if (gridOffset[0] !== 0 || gridOffset[1] !== 0) {
for (i = 0; i<movingSet.length(); i++) {
node = movingSet.get(i);
node.n.x -= gridOffset[0];
node.n.y -= gridOffset[1];
if (node.n.x == node.n.ox && node.n.y == node.n.oy) {
node.dirty = false;
}
}
}
}
// Check link splice or group-add
if (movingSet.length() === 1 && movingSet.get(0).n.type !== "group") {
node = movingSet.get(0);
if (spliceActive) {
if (!spliceTimer) {
spliceTimer = setTimeout(function() {
var nodes = [];
var bestDistance = Infinity;
var bestLink = null;
var mouseX = node.n.x;
var mouseY = node.n.y;
if (outer[0][0].getIntersectionList) {
var svgRect = outer[0][0].createSVGRect();
svgRect.x = mouseX*scaleFactor;
svgRect.y = mouseY*scaleFactor;
svgRect.width = 1;
svgRect.height = 1;
nodes = outer[0][0].getIntersectionList(svgRect, outer[0][0]);
} else {
// Firefox doesn"t do getIntersectionList and that
// makes us sad
nodes = RED.view.getLinksAtPoint(mouseX*scaleFactor,mouseY*scaleFactor);
}
for (var i=0;i<nodes.length;i++) {
if (d3.select(nodes[i]).classed("red-ui-flow-link-background")) {
var length = nodes[i].getTotalLength();
for (var j=0;j<length;j+=10) {
var p = nodes[i].getPointAtLength(j);
var d2 = ((p.x-mouseX)*(p.x-mouseX))+((p.y-mouseY)*(p.y-mouseY));
if (d2 < 200 && d2 < bestDistance) {
bestDistance = d2;
bestLink = nodes[i];
}
}
}
}
if (activeSpliceLink && activeSpliceLink !== bestLink) {
d3.select(activeSpliceLink.parentNode).classed("red-ui-flow-link-splice",false);
}
if (bestLink) {
d3.select(bestLink.parentNode).classed("red-ui-flow-link-splice",true)
} else {
d3.select(".red-ui-flow-link-splice").classed("red-ui-flow-link-splice",false);
}
activeSpliceLink = bestLink;
spliceTimer = null;
},100);
}
}
if (node.n.type !== 'subflow' && !node.n.g && activeGroups) {
if (!groupHoverTimer) {
groupHoverTimer = setTimeout(function() {
activeHoverGroup = getGroupAt(node.n.x,node.n.y);
for (var i=0;i<activeGroups.length;i++) {
var g = activeGroups[i];
if (g === activeHoverGroup) {
g.hovered = true;
g.dirty = true;
} else if (g.hovered) {
g.hovered = false;
g.dirty = true;
}
}
groupHoverTimer = null;
},50);
}
}
}
}
if (mouse_mode !== 0) {
redraw();
}
}
function canvasMouseUp() {
lastClickPosition = [d3.event.offsetX/scaleFactor,d3.event.offsetY/scaleFactor];
if (RED.view.DEBUG) { console.warn("canvasMouseUp", mouse_mode); }
var i;
var historyEvent;
if (mouse_mode === RED.state.PANNING) {
resetMouseVars();
return
}
if (mouse_mode === RED.state.SELECTING_NODE) {
d3.event.stopPropagation();
return;
}
if (mouse_mode === RED.state.QUICK_JOINING) {
return;
}
if (mousedown_node && mouse_mode == RED.state.JOINING) {
var removedLinks = [];
for (i=0;i<drag_lines.length;i++) {
if (drag_lines[i].link) {
removedLinks.push(drag_lines[i].link)
}
}
if (removedLinks.length > 0) {
historyEvent = {
t:"delete",
links: removedLinks,
dirty:RED.nodes.dirty()
};
RED.history.push(historyEvent);
RED.nodes.dirty(true);
}
hideDragLines();
}
if (lasso) {
var x = parseInt(lasso.attr("x"));
var y = parseInt(lasso.attr("y"));
var x2 = x+parseInt(lasso.attr("width"));
var y2 = y+parseInt(lasso.attr("height"));
var ag = activeGroup;
if (!d3.event.shiftKey) {
clearSelection();
if (ag) {
if (x < ag.x+ag.w && x2 > ag.x && y < ag.y+ag.h && y2 > ag.y) {
// There was an active group and the lasso intersects with it,
// so reenter the group
enterActiveGroup(ag);
activeGroup.selected = true;
}
}
}
activeGroups.forEach(function(g) {
if (!g.selected) {
if (g.x > x && g.x+g.w < x2 && g.y > y && g.y+g.h < y2) {
if (!activeGroup || RED.group.contains(activeGroup,g)) {
while (g.g && (!activeGroup || g.g !== activeGroup.id)) {
g = RED.nodes.group(g.g);
}
if (!g.selected) {
selectGroup(g,true);
}
}
}
}
})
activeNodes.forEach(function(n) {
if (!n.selected) {
if (n.x > x && n.x < x2 && n.y > y && n.y < y2) {
if (!activeGroup || RED.group.contains(activeGroup,n)) {
if (n.g && (!activeGroup || n.g !== activeGroup.id)) {
var group = RED.nodes.group(n.g);
while (group.g && (!activeGroup || group.g !== activeGroup.id)) {
group = RED.nodes.group(group.g);
}
if (!group.selected) {
selectGroup(group,true);
}
} else {
n.selected = true;
n.dirty = true;
movingSet.add(n);
}
}
}
}
});
// var selectionChanged = false;
// do {
// selectionChanged = false;
// selectedGroups.forEach(function(g) {
// if (g.g && g.selected && RED.nodes.group(g.g).selected) {
// g.selected = false;
// selectionChanged = true;
// }
// })
// } while(selectionChanged);
if (activeSubflow) {
activeSubflow.in.forEach(function(n) {
n.selected = (n.x > x && n.x < x2 && n.y > y && n.y < y2);
if (n.selected) {
n.dirty = true;
movingSet.add(n);
}
});
activeSubflow.out.forEach(function(n) {
n.selected = (n.x > x && n.x < x2 && n.y > y && n.y < y2);
if (n.selected) {
n.dirty = true;
movingSet.add(n);
}
});
if (activeSubflow.status) {
activeSubflow.status.selected = (activeSubflow.status.x > x && activeSubflow.status.x < x2 && activeSubflow.status.y > y && activeSubflow.status.y < y2);
if (activeSubflow.status.selected) {
activeSubflow.status.dirty = true;
movingSet.add(activeSubflow.status);
}
}
}
updateSelection();
lasso.remove();
lasso = null;
} else if (mouse_mode == RED.state.DEFAULT && mousedown_link == null && !d3.event.ctrlKey && !d3.event.metaKey ) {
clearSelection();
updateSelection();
}
if (mouse_mode == RED.state.MOVING_ACTIVE) {
if (movingSet.length() > 0) {
var addedToGroup = null;
if (activeHoverGroup) {
for (var j=0;j<movingSet.length();j++) {
var n = movingSet.get(j);
RED.group.addToGroup(activeHoverGroup,n.n);
}
addedToGroup = activeHoverGroup;
activeHoverGroup.hovered = false;
enterActiveGroup(activeHoverGroup)
// TODO: check back whether this should add to moving_set
activeGroup.selected = true;
activeHoverGroup = null;
}
var ns = [];
for (var j=0;j<movingSet.length();j++) {
var n = movingSet.get(j);
if (n.ox !== n.n.x || n.oy !== n.n.y) {
ns.push({n:n.n,ox:n.ox,oy:n.oy,moved:n.n.moved});
n.n.dirty = true;
n.n.moved = true;
}
}
if (ns.length > 0 && mouse_mode == RED.state.MOVING_ACTIVE) {
historyEvent = {t:"move",nodes:ns,dirty:RED.nodes.dirty()};
if (activeSpliceLink) {
// TODO: DRY - droppable/nodeMouseDown/canvasMouseUp
var spliceLink = d3.select(activeSpliceLink).data()[0];
RED.nodes.removeLink(spliceLink);
var link1 = {
source:spliceLink.source,
sourcePort:spliceLink.sourcePort,
target: movingSet.get(0).n
};
var link2 = {
source:movingSet.get(0).n,
sourcePort:0,
target: spliceLink.target
};
RED.nodes.addLink(link1);
RED.nodes.addLink(link2);
historyEvent.links = [link1,link2];
historyEvent.removedLinks = [spliceLink];
updateActiveNodes();
}
if (addedToGroup) {
historyEvent.addToGroup = addedToGroup;
}
RED.nodes.dirty(true);
RED.history.push(historyEvent);
}
}
}
// if (mouse_mode === RED.state.MOVING && mousedown_node && mousedown_node.g) {
// if (mousedown_node.gSelected) {
// delete mousedown_node.gSelected
// } else {
// if (!d3.event.ctrlKey && !d3.event.metaKey) {
// clearSelection();
// }
// RED.nodes.group(mousedown_node.g).selected = true;
// mousedown_node.selected = true;
// mousedown_node.dirty = true;
// movingSet.add(mousedown_node);
// }
// }
if (mouse_mode == RED.state.MOVING || mouse_mode == RED.state.MOVING_ACTIVE) {
// if (mousedown_node) {
// delete mousedown_node.gSelected;
// }
for (i=0;i<movingSet.length();i++) {
var node = movingSet.get(i);
delete node.ox;
delete node.oy;
}
}
if (mouse_mode == RED.state.IMPORT_DRAGGING) {
updateActiveNodes();
RED.nodes.dirty(true);
}
resetMouseVars();
redraw();
}
function zoomIn() {
if (scaleFactor < 2) {
zoomView(scaleFactor+0.1);
}
}
function zoomOut() {
if (scaleFactor > 0.3) {
zoomView(scaleFactor-0.1);
}
}
function zoomZero() { zoomView(1); }
function zoomView(factor) {
var screenSize = [chart.width(),chart.height()];
var scrollPos = [chart.scrollLeft(),chart.scrollTop()];
var center = [(scrollPos[0] + screenSize[0]/2)/scaleFactor,(scrollPos[1] + screenSize[1]/2)/scaleFactor];
scaleFactor = factor;
var newCenter = [(scrollPos[0] + screenSize[0]/2)/scaleFactor,(scrollPos[1] + screenSize[1]/2)/scaleFactor];
var delta = [(newCenter[0]-center[0])*scaleFactor,(newCenter[1]-center[1])*scaleFactor]
chart.scrollLeft(scrollPos[0]-delta[0]);
chart.scrollTop(scrollPos[1]-delta[1]);
RED.view.navigator.resize();
redraw();
}
function selectNone() {
if (mouse_mode === RED.state.MOVING || mouse_mode === RED.state.MOVING_ACTIVE) {
return;
}
if (mouse_mode === RED.state.IMPORT_DRAGGING) {
clearSelection();
RED.history.pop();
mouse_mode = 0;
} else if (activeGroup) {
exitActiveGroup()
} else {
clearSelection();
}
redraw();
}
function selectAll() {
if (mouse_mode === RED.state.SELECTING_NODE && selectNodesOptions.single) {
return;
}
if (activeGroup) {
var ag = activeGroup;
clearSelection();
enterActiveGroup(ag);
var groupNodes = RED.group.getNodes(ag,false);
groupNodes.forEach(function(n) {
if (n.type === 'group') {
selectGroup(n,true,true);
} else {
movingSet.add(n)
n.selected = true;
n.dirty = true;
}
})
activeGroup.selected = true;
} else {
clearSelection();
exitActiveGroup();
activeGroups.forEach(function(g) {
if (!g.g) {
selectGroup(g, true);
if (!g.selected) {
g.selected = true;
g.dirty = true;
}
} else {
g.selected = false;
g.dirty = true;
}
})
activeNodes.forEach(function(n) {
if (mouse_mode === RED.state.SELECTING_NODE) {
if (selectNodesOptions.filter && !selectNodesOptions.filter(n)) {
return;
}
}
if (!n.g && !n.selected) {
n.selected = true;
n.dirty = true;
movingSet.add(n);
}
});
if (mouse_mode !== RED.state.SELECTING_NODE && activeSubflow) {
activeSubflow.in.forEach(function(n) {
if (!n.selected) {
n.selected = true;
n.dirty = true;
movingSet.add(n);
}
});
activeSubflow.out.forEach(function(n) {
if (!n.selected) {
n.selected = true;
n.dirty = true;
movingSet.add(n);
}
});
if (activeSubflow.status) {
if (!activeSubflow.status.selected) {
activeSubflow.status.selected = true;
activeSubflow.status.dirty = true;
movingSet.add(activeSubflow.status);
}
}
}
}
selected_link = null;
if (mouse_mode !== RED.state.SELECTING_NODE) {
updateSelection();
}
redraw();
}
function clearSelection() {
if (RED.view.DEBUG) { console.warn("clearSelection", mouse_mode,"movingSet.length():",movingSet.length()); }
for (var i=0;i<movingSet.length();i++) {
var n = movingSet.get(i);
n.n.dirty = true;
n.n.selected = false;
}
movingSet.clear();
selected_link = null;
if (activeGroup) {
activeGroup.active = false
activeGroup.dirty = true;
activeGroup = null;
}
activeGroups.forEach(function(g) {
g.selected = false;
g.dirty = true;
})
}
var lastSelection = null;
function updateSelection() {
var selection = {};
var activeWorkspace = RED.workspaces.active();
var workspaceSelection = RED.workspaces.selection();
if (activeWorkspace !== 0) {
if (workspaceSelection.length === 0) {
selection = getSelection();
activeLinks = RED.nodes.filterLinks({
source:{z:activeWorkspace},
target:{z:activeWorkspace}
});
var tabOrder = RED.nodes.getWorkspaceOrder();
var currentLinks = activeLinks;
var addedLinkLinks = {};
activeFlowLinks = [];
var activeLinkNodeIds = Object.keys(activeLinkNodes);
activeLinkNodeIds.forEach(function(n) {
activeLinkNodes[n].dirty = true;
})
activeLinkNodes = {};
for (var i=0;i<movingSet.length();i++) {
var msn = movingSet.get(i);
if (((msn.n.type === "link out" && msn.n.mode !== 'return') || msn.n.type === "link in") &&
(msn.n.z === activeWorkspace)) {
var linkNode = msn.n;
activeLinkNodes[linkNode.id] = linkNode;
var offFlowLinks = {};
linkNode.links.forEach(function(id) {
var target = RED.nodes.node(id);
if (target) {
if (linkNode.type === "link out") {
if (target.z === linkNode.z) {
if (!addedLinkLinks[linkNode.id+":"+target.id]) {
activeLinks.push({
source:linkNode,
sourcePort:0,
target: target,
link: true
});
addedLinkLinks[linkNode.id+":"+target.id] = true;
activeLinkNodes[target.id] = target;
target.dirty = true;
}
} else {
offFlowLinks[target.z] = offFlowLinks[target.z]||[];
offFlowLinks[target.z].push(target);
}
} else {
if (target.z === linkNode.z) {
if (!addedLinkLinks[target.id+":"+linkNode.id]) {
activeLinks.push({
source:target,
sourcePort:0,
target: linkNode,
link: true
});
addedLinkLinks[target.id+":"+linkNode.id] = true;
activeLinkNodes[target.id] = target;
target.dirty = true;
}
} else {
offFlowLinks[target.z] = offFlowLinks[target.z]||[];
offFlowLinks[target.z].push(target);
}
}
}
});
var offFlows = Object.keys(offFlowLinks);
// offFlows.sort(function(A,B) {
// return tabOrder.indexOf(A) - tabOrder.indexOf(B);
// });
if (offFlows.length > 0) {
activeFlowLinks.push({
refresh: Math.floor(Math.random()*10000),
node: linkNode,
links: offFlowLinks//offFlows.map(function(i) { return {id:i,links:offFlowLinks[i]};})
});
}
}
}
if (activeFlowLinks.length === 0 && selected_link !== null && selected_link.link) {
activeLinks.push(selected_link);
activeLinkNodes[selected_link.source.id] = selected_link.source;
selected_link.source.dirty = true;
activeLinkNodes[selected_link.target.id] = selected_link.target;
selected_link.target.dirty = true;
}
} else {
selection.flows = workspaceSelection;
}
}
var selectionJSON = activeWorkspace+":"+JSON.stringify(selection,function(key,value) {
if (key === 'nodes' || key === 'flows') {
return value.map(function(n) { return n.id })
} else if (key === 'link') {
return value.source.id+":"+value.sourcePort+":"+value.target.id;
}
return value;
});
if (selectionJSON !== lastSelection) {
lastSelection = selectionJSON;
RED.events.emit("view:selection-changed",selection);
}
}
function editSelection() {
if (movingSet.length() > 0) {
var node = movingSet.get(0).n;
if (node.type === "subflow") {
RED.editor.editSubflow(activeSubflow);
} else if (node.type === "group") {
RED.editor.editGroup(node);
} else {
RED.editor.edit(node);
}
}
}
function deleteSelection() {
if (mouse_mode === RED.state.SELECTING_NODE) {
return;
}
if (portLabelHover) {
portLabelHover.remove();
portLabelHover = null;
}
var workspaceSelection = RED.workspaces.selection();
if (workspaceSelection.length > 0) {
var workspaceCount = 0;
workspaceSelection.forEach(function(ws) { if (ws.type === 'tab') { workspaceCount++ } });
if (workspaceCount === RED.workspaces.count()) {
// Cannot delete all workspaces
return;
}
var historyEvent = {
t: 'delete',
dirty: RED.nodes.dirty(),
nodes: [],
links: [],
groups: [],
workspaces: [],
subflows: []
}
var workspaceOrder = RED.nodes.getWorkspaceOrder().slice(0);
for (var i=0;i<workspaceSelection.length;i++) {
var ws = workspaceSelection[i];
ws._index = workspaceOrder.indexOf(ws.id);
RED.workspaces.remove(ws);
var subEvent;
if (ws.type === 'tab') {
historyEvent.workspaces.push(ws);
subEvent = RED.nodes.removeWorkspace(ws.id);
} else {
subEvent = RED.subflow.removeSubflow(ws.id);
historyEvent.subflows = historyEvent.subflows.concat(subEvent.subflows);
}
historyEvent.nodes = historyEvent.nodes.concat(subEvent.nodes);
historyEvent.links = historyEvent.links.concat(subEvent.links);
historyEvent.groups = historyEvent.groups.concat(subEvent.groups);
}
RED.history.push(historyEvent);
RED.nodes.dirty(true);
updateActiveNodes();
updateSelection();
redraw();
} else if (movingSet.length() > 0 || selected_link != null) {
var result;
var node;
var removedNodes = [];
var removedLinks = [];
var removedGroups = [];
var removedSubflowOutputs = [];
var removedSubflowInputs = [];
var removedSubflowStatus;
var subflowInstances = [];
var startDirty = RED.nodes.dirty();
var startChanged = false;
var selectedGroups = [];
if (movingSet.length() > 0) {
for (var i=0;i<movingSet.length();i++) {
node = movingSet.get(i).n;
if (node.type === "group") {
selectedGroups.push(node);
}
}
// Make sure we have identified all groups about to be deleted
for (i=0;i<selectedGroups.length;i++) {
selectedGroups[i].nodes.forEach(function(n) {
if (n.type === "group" && selectedGroups.indexOf(n) === -1) {
selectedGroups.push(n);
}
})
}
for (var i=0;i<movingSet.length();i++) {
node = movingSet.get(i).n;
node.selected = false;
if (node.type !== "group" && node.type !== "subflow") {
if (node.x < 0) {
node.x = 25
}
var removedEntities = RED.nodes.remove(node.id);
removedNodes.push(node);
removedNodes = removedNodes.concat(removedEntities.nodes);
removedLinks = removedLinks.concat(removedEntities.links);
if (node.g) {
var group = RED.nodes.group(node.g);
if (selectedGroups.indexOf(group) === -1) {
// Don't use RED.group.removeFromGroup as that emits
// a change event on the node - but we're deleting it
var index = group.nodes.indexOf(node);
group.nodes.splice(index,1);
RED.group.markDirty(group);
}
}
} else {
if (node.direction === "out") {
removedSubflowOutputs.push(node);
} else if (node.direction === "in") {
removedSubflowInputs.push(node);
} else if (node.direction === "status") {
removedSubflowStatus = node;
}
node.dirty = true;
}
}
// Groups must be removed in the right order - from inner-most
// to outermost.
for (i = selectedGroups.length-1; i>=0; i--) {
var g = selectedGroups[i];
removedGroups.push(g);
RED.nodes.removeGroup(g);
}
if (removedSubflowOutputs.length > 0) {
result = RED.subflow.removeOutput(removedSubflowOutputs);
if (result) {
removedLinks = removedLinks.concat(result.links);
}
}
// Assume 0/1 inputs
if (removedSubflowInputs.length == 1) {
result = RED.subflow.removeInput();
if (result) {
removedLinks = removedLinks.concat(result.links);
}
}
if (removedSubflowStatus) {
result = RED.subflow.removeStatus();
if (result) {
removedLinks = removedLinks.concat(result.links);
}
}
var instances = RED.subflow.refresh(true);
if (instances) {
subflowInstances = instances.instances;
}
movingSet.clear();
if (removedNodes.length > 0 || removedSubflowOutputs.length > 0 || removedSubflowInputs.length > 0 || removedSubflowStatus || removedGroups.length > 0) {
RED.nodes.dirty(true);
}
}
var historyEvent;
if (selected_link && selected_link.link) {
var sourceId = selected_link.source.id;
var targetId = selected_link.target.id;
var sourceIdIndex = selected_link.target.links.indexOf(sourceId);
var targetIdIndex = selected_link.source.links.indexOf(targetId);
historyEvent = {
t:"multi",
events: [
{
t: "edit",
node: selected_link.source,
changed: selected_link.source.changed,
changes: {
links: $.extend(true,{},{v:selected_link.source.links}).v
}
},
{
t: "edit",
node: selected_link.target,
changed: selected_link.target.changed,
changes: {
links: $.extend(true,{},{v:selected_link.target.links}).v
}
}
],
dirty:RED.nodes.dirty()
}
RED.nodes.dirty(true);
selected_link.source.changed = true;
selected_link.target.changed = true;
selected_link.target.links.splice(sourceIdIndex,1);
selected_link.source.links.splice(targetIdIndex,1);
selected_link.source.dirty = true;
selected_link.target.dirty = true;
} else {
if (selected_link) {
RED.nodes.removeLink(selected_link);
removedLinks.push(selected_link);
}
RED.nodes.dirty(true);
historyEvent = {
t:"delete",
nodes:removedNodes,
links:removedLinks,
groups: removedGroups,
subflowOutputs:removedSubflowOutputs,
subflowInputs:removedSubflowInputs,
subflow: {
id: activeSubflow?activeSubflow.id:undefined,
instances: subflowInstances
},
dirty:startDirty
};
if (removedSubflowStatus) {
historyEvent.subflow.status = removedSubflowStatus;
}
}
RED.history.push(historyEvent);
selected_link = null;
updateActiveNodes();
updateSelection();
redraw();
}
}
function copySelection() {
if (mouse_mode === RED.state.SELECTING_NODE) {
return;
}
var nodes = [];
var selection = RED.workspaces.selection();
if (selection.length > 0) {
nodes = [];
selection.forEach(function(n) {
if (n.type === 'tab') {
nodes.push(n);
nodes = nodes.concat(RED.nodes.groups(n.id));
nodes = nodes.concat(RED.nodes.filterNodes({z:n.id}));
}
});
} else {
selection = RED.view.selection();
if (selection.nodes) {
selection.nodes.forEach(function(n) {
nodes.push(n);
if (n.type === 'group') {
nodes = nodes.concat(RED.group.getNodes(n,true));
}
})
}
}
if (nodes.length > 0) {
var nns = [];
var nodeCount = 0;
var groupCount = 0;
var handled = {};
for (var n=0;n<nodes.length;n++) {
var node = nodes[n];
if (handled[node.id]) {
continue;
}
handled[node.id] = true;
// The only time a node.type == subflow can be selected is the
// input/output "proxy" nodes. They cannot be copied.
if (node.type != "subflow") {
if (node.type === "group") {
groupCount++;
} else {
nodeCount++;
}
for (var d in node._def.defaults) {
if (node._def.defaults.hasOwnProperty(d)) {
if (node._def.defaults[d].type) {
var configNode = RED.nodes.node(node[d]);
if (configNode && configNode._def.exclusive) {
nns.push(RED.nodes.convertNode(configNode));
}
}
}
}
nns.push(RED.nodes.convertNode(node));
//TODO: if the node has an exclusive config node, it should also be copied, to ensure it remains exclusive...
}
}
clipboard = JSON.stringify(nns);
RED.menu.setDisabled("menu-item-edit-paste", false);
if (nodeCount > 0) {
RED.notify(RED._("clipboard.nodeCopied",{count:nodeCount}),{id:"clipboard"});
} else if (groupCount > 0) {
RED.notify(RED._("clipboard.groupCopied",{count:groupCount}),{id:"clipboard"});
}
}
}
function calculateTextWidth(str, className) {
var result = convertLineBreakCharacter(str);
var width = 0;
for (var i=0;i<result.length;i++) {
var calculateTextW=calculateTextDimensions(result[i],className)[0];
if (width<calculateTextW) {
width=calculateTextW;
}
}
return width;
}
function getLabelParts(str, className) {
var lines = convertLineBreakCharacter(str);
var width = 0;
for (var i=0;i<lines.length;i++) {
var calculateTextW = calculateTextDimensions(lines[i],className)[0];
if (width<calculateTextW) {
width=calculateTextW;
}
}
return {
lines:lines,
width: width
}
}
var textDimensionPlaceholder = {};
var textDimensionCache = {};
function calculateTextDimensions(str,className) {
var cacheKey = "!"+str;
if (!textDimensionPlaceholder[className]) {
textDimensionPlaceholder[className] = document.createElement("span");
textDimensionPlaceholder[className].className = className;
textDimensionPlaceholder[className].style.position = "absolute";
textDimensionPlaceholder[className].style.top = "-1000px";
document.getElementById("red-ui-editor").appendChild(textDimensionPlaceholder[className]);
textDimensionCache[className] = {};
} else {
if (textDimensionCache[className][cacheKey]) {
return textDimensionCache[className][cacheKey]
}
}
textDimensionPlaceholder[className].textContent = (str||"");
var w = textDimensionPlaceholder[className].offsetWidth;
var h = textDimensionPlaceholder[className].offsetHeight;
textDimensionCache[className][cacheKey] = [w,h];
return textDimensionCache[className][cacheKey];
}
function convertLineBreakCharacter(str) {
var result = [];
var lines = str.split(/\\n /);
if (lines.length > 1) {
var i=0;
for (i=0;i<lines.length - 1;i++) {
if (/\\$/.test(lines[i])) {
result.push(lines[i]+"\\n "+lines[i+1])
i++;
} else {
result.push(lines[i])
}
}
if ( i === lines.length - 1) {
result.push(lines[lines.length-1]);
}
} else {
result = lines;
}
result = result.map(function(l) { return l.replace(/\\\\n /g,"\\n ").trim() })
return result;
}
function resetMouseVars() {
mousedown_node = null;
mousedown_group = null;
mousedown_group_handle = null;
mouseup_node = null;
mousedown_link = null;
mouse_mode = 0;
mousedown_port_type = null;
activeSpliceLink = null;
spliceActive = false;
if (activeHoverGroup) {
activeHoverGroup.hovered = false;
activeHoverGroup = null;
}
d3.select(".red-ui-flow-link-splice").classed("red-ui-flow-link-splice",false);
if (spliceTimer) {
clearTimeout(spliceTimer);
spliceTimer = null;
}
if (groupHoverTimer) {
clearTimeout(groupHoverTimer);
groupHoverTimer = null;
}
}
function disableQuickJoinEventHandler(evt) {
// Check for ctrl (all browsers), "Meta" (Chrome/FF), keyCode 91 (Safari)
if (evt.keyCode === 17 || evt.key === "Meta" || evt.keyCode === 91) {
resetMouseVars();
hideDragLines();
redraw();
$(window).off('keyup',disableQuickJoinEventHandler);
}
}
function portMouseDown(d,portType,portIndex, evt) {
if (RED.view.DEBUG) { console.warn("portMouseDown", mouse_mode,d,portType,portIndex); }
evt = evt || d3.event;
if (evt === 1) {
return;
}
if (mouse_mode === RED.state.SELECTING_NODE) {
evt.stopPropagation();
return;
}
mousedown_node = d;
mousedown_port_type = portType;
mousedown_port_index = portIndex || 0;
if (mouse_mode !== RED.state.QUICK_JOINING) {
mouse_mode = RED.state.JOINING;
document.body.style.cursor = "crosshair";
if (evt.ctrlKey || evt.metaKey) {
mouse_mode = RED.state.QUICK_JOINING;
showDragLines([{node:mousedown_node,port:mousedown_port_index,portType:mousedown_port_type}]);
$(window).on('keyup',disableQuickJoinEventHandler);
}
}
evt.stopPropagation();
evt.preventDefault();
}
function portMouseUp(d,portType,portIndex,evt) {
if (RED.view.DEBUG) { console.warn("portMouseUp", mouse_mode,d,portType,portIndex); }
evt = evt || d3.event;
if (mouse_mode === RED.state.SELECTING_NODE) {
evt.stopPropagation();
return;
}
var i;
if (mouse_mode === RED.state.QUICK_JOINING && drag_lines.length > 0) {
if (drag_lines[0].node === d) {
// Cannot quick-join to self
return
}
if (drag_lines[0].virtualLink &&
(
(drag_lines[0].node.type === 'link in' && d.type !== 'link out') ||
(drag_lines[0].node.type === 'link out' && d.type !== 'link in')
)
) {
return
}
}
document.body.style.cursor = "";
if (mouse_mode == RED.state.JOINING || mouse_mode == RED.state.QUICK_JOINING) {
if (typeof TouchEvent != "undefined" && evt instanceof TouchEvent) {
var found = false;
RED.nodes.eachNode(function(n) {
if (n.z == RED.workspaces.active()) {
var hw = n.w/2;
var hh = n.h/2;
if (n.x-hw<mouse_position[0] && n.x+hw> mouse_position[0] &&
n.y-hh<mouse_position[1] && n.y+hh>mouse_position[1]) {
found = true;
mouseup_node = n;
portType = mouseup_node.inputs>0?PORT_TYPE_INPUT:PORT_TYPE_OUTPUT;
portIndex = 0;
}
}
});
if (!found && activeSubflow) {
var subflowPorts = [];
if (activeSubflow.status) {
subflowPorts.push(activeSubflow.status)
}
if (activeSubflow.in) {
subflowPorts = subflowPorts.concat(activeSubflow.in)
}
if (activeSubflow.out) {
subflowPorts = subflowPorts.concat(activeSubflow.out)
}
for (var i=0;i<subflowPorts.length;i++) {
var n = subflowPorts[i];
var hw = n.w/2;
var hh = n.h/2;
if (n.x-hw<mouse_position[0] && n.x+hw> mouse_position[0] &&
n.y-hh<mouse_position[1] && n.y+hh>mouse_position[1]) {
found = true;
mouseup_node = n;
portType = mouseup_node.direction === "in"?PORT_TYPE_OUTPUT:PORT_TYPE_INPUT;
portIndex = 0;
break;
}
}
}
} else {
mouseup_node = d;
}
var addedLinks = [];
var removedLinks = [];
var modifiedNodes = []; // joining link nodes
var select_link = null;
for (i=0;i<drag_lines.length;i++) {
if (drag_lines[i].link) {
removedLinks.push(drag_lines[i].link)
}
}
var linkEditEvents = [];
for (i=0;i<drag_lines.length;i++) {
if (portType != drag_lines[i].portType && mouseup_node !== drag_lines[i].node) {
var drag_line = drag_lines[i];
var src,dst,src_port;
if (drag_line.portType === PORT_TYPE_OUTPUT) {
src = drag_line.node;
src_port = drag_line.port;
dst = mouseup_node;
} else if (drag_line.portType === PORT_TYPE_INPUT) {
src = mouseup_node;
dst = drag_line.node;
src_port = portIndex;
}
var link = {source: src, sourcePort:src_port, target: dst};
if (drag_line.virtualLink) {
if (/^link (in|out)$/.test(src.type) && /^link (in|out)$/.test(dst.type) && src.type !== dst.type) {
if (src.links.indexOf(dst.id) === -1 && dst.links.indexOf(src.id) === -1) {
var oldSrcLinks = $.extend(true,{},{v:src.links}).v
var oldDstLinks = $.extend(true,{},{v:dst.links}).v
src.links.push(dst.id);
dst.links.push(src.id);
src.dirty = true;
dst.dirty = true;
modifiedNodes.push(src);
modifiedNodes.push(dst);
link.link = true;
activeLinks.push(link);
activeLinkNodes[src.id] = src;
activeLinkNodes[dst.id] = dst;
select_link = link;
linkEditEvents.push({
t:'edit',
node: src,
dirty: RED.nodes.dirty(),
changed: src.changed,
changes: {
links:oldSrcLinks
}
});
linkEditEvents.push({
t:'edit',
node: dst,
dirty: RED.nodes.dirty(),
changed: dst.changed,
changes: {
links:oldDstLinks
}
});
src.changed = true;
dst.changed = true;
}
}
} else {
// This is not a virtualLink - which means it started
// on a regular node port. Need to ensure the this isn't
// connecting to a link node virual port.
//
// PORT_TYPE_OUTPUT=0
// PORT_TYPE_INPUT=1
if (!(
(d.type === "link out" && portType === PORT_TYPE_OUTPUT) ||
(d.type === "link in" && portType === PORT_TYPE_INPUT) ||
(portType === PORT_TYPE_OUTPUT && mouseup_node.type !== "subflow" && mouseup_node.outputs === 0) ||
(portType === PORT_TYPE_INPUT && mouseup_node.type !== "subflow" && mouseup_node.inputs === 0) ||
(drag_line.portType === PORT_TYPE_INPUT && mouseup_node.type === "subflow" && (mouseup_node.direction === "status" || mouseup_node.direction === "out")) ||
(drag_line.portType === PORT_TYPE_OUTPUT && mouseup_node.type === "subflow" && mouseup_node.direction === "in")
)) {
var existingLink = RED.nodes.filterLinks({source:src,target:dst,sourcePort: src_port}).length !== 0;
if (!existingLink) {
RED.nodes.addLink(link);
addedLinks.push(link);
}
}
}
}
}
if (addedLinks.length > 0 || removedLinks.length > 0 || modifiedNodes.length > 0) {
// console.log(addedLinks);
// console.log(removedLinks);
// console.log(modifiedNodes);
var historyEvent;
if (modifiedNodes.length > 0) {
historyEvent = {
t:"multi",
events: linkEditEvents,
dirty:RED.nodes.dirty()
};
} else {
historyEvent = {
t:"add",
links:addedLinks,
removedLinks: removedLinks,
dirty:RED.nodes.dirty()
};
}
if (activeSubflow) {
var subflowRefresh = RED.subflow.refresh(true);
if (subflowRefresh) {
historyEvent.subflow = {
id:activeSubflow.id,
changed: activeSubflow.changed,
instances: subflowRefresh.instances
}
}
}
RED.history.push(historyEvent);
updateActiveNodes();
RED.nodes.dirty(true);
}
if (mouse_mode === RED.state.QUICK_JOINING) {
if (addedLinks.length > 0 || modifiedNodes.length > 0) {
hideDragLines();
if (portType === PORT_TYPE_INPUT && d.outputs > 0) {
showDragLines([{node:d,port:0,portType:PORT_TYPE_OUTPUT}]);
} else if (portType === PORT_TYPE_OUTPUT && d.inputs > 0) {
showDragLines([{node:d,port:0,portType:PORT_TYPE_INPUT}]);
} else {
resetMouseVars();
}
selected_link = select_link;
mousedown_link = select_link;
if (select_link) {
updateSelection();
}
}
redraw();
return;
}
resetMouseVars();
hideDragLines();
selected_link = select_link;
mousedown_link = select_link;
if (select_link) {
updateSelection();
}
redraw();
}
}
var portLabelHoverTimeout = null;
var portLabelHover = null;
function getElementPosition(node) {
var d3Node = d3.select(node);
if (d3Node.attr('class') === 'red-ui-workspace-chart-event-layer') {
return [0,0];
}
var result = [];
var localPos = [0,0];
if (node.nodeName.toLowerCase() === 'g') {
var transform = d3Node.attr("transform");
if (transform) {
localPos = d3.transform(transform).translate;
}
} else {
localPos = [d3Node.attr("x")||0,d3Node.attr("y")||0];
}
var parentPos = getElementPosition(node.parentNode);
return [localPos[0]+parentPos[0],localPos[1]+parentPos[1]]
}
function getPortLabel(node,portType,portIndex) {
var result;
var nodePortLabels = (portType === PORT_TYPE_INPUT)?node.inputLabels:node.outputLabels;
if (nodePortLabels && nodePortLabels[portIndex]) {
return nodePortLabels[portIndex];
}
var portLabels = (portType === PORT_TYPE_INPUT)?node._def.inputLabels:node._def.outputLabels;
if (typeof portLabels === 'string') {
result = portLabels;
} else if (typeof portLabels === 'function') {
try {
result = portLabels.call(node,portIndex);
} catch(err) {
console.log("Definition error: "+node.type+"."+((portType === PORT_TYPE_INPUT)?"inputLabels":"outputLabels"),err);
result = null;
}
} else if ($.isArray(portLabels)) {
result = portLabels[portIndex];
}
return result;
}
function showTooltip(x,y,content,direction) {
var tooltip = eventLayer.append("g")
.attr("transform","translate("+x+","+y+")")
.attr("class","red-ui-flow-port-tooltip");
// First check for a user-provided newline - "\\n "
var newlineIndex = content.indexOf("\\n ");
if (newlineIndex > -1 && content[newlineIndex-1] !== '\\') {
content = content.substring(0,newlineIndex)+"...";
}
var lines = content.split("\n");
var labelWidth = 6;
var labelHeight = 12;
var labelHeights = [];
var lineHeight = 0;
lines.forEach(function(l,i) {
var labelDimensions = calculateTextDimensions(l||" ", "red-ui-flow-port-tooltip-label");
labelWidth = Math.max(labelWidth,labelDimensions[0] + 14);
labelHeights.push(labelDimensions[1]);
if (i === 0) {
lineHeight = labelDimensions[1];
}
labelHeight += labelDimensions[1];
});
var labelWidth1 = (labelWidth/2)-5-2;
var labelWidth2 = labelWidth - 4;
var labelHeight1 = (labelHeight/2)-5-2;
var labelHeight2 = labelHeight - 4;
var path;
var lx;
var ly = -labelHeight/2;
var anchor;
if (direction === "left") {
path = "M0 0 l -5 -5 v -"+(labelHeight1)+" q 0 -2 -2 -2 h -"+labelWidth+" q -2 0 -2 2 v "+(labelHeight2)+" q 0 2 2 2 h "+labelWidth+" q 2 0 2 -2 v -"+(labelHeight1)+" l 5 -5";
lx = -14;
anchor = "end";
} else if (direction === "right") {
path = "M0 0 l 5 -5 v -"+(labelHeight1)+" q 0 -2 2 -2 h "+labelWidth+" q 2 0 2 2 v "+(labelHeight2)+" q 0 2 -2 2 h -"+labelWidth+" q -2 0 -2 -2 v -"+(labelHeight1)+" l -5 -5"
lx = 14;
anchor = "start";
} else if (direction === "top") {
path = "M0 0 l 5 -5 h "+(labelWidth1)+" q 2 0 2 -2 v -"+labelHeight+" q 0 -2 -2 -2 h -"+(labelWidth2)+" q -2 0 -2 2 v "+labelHeight+" q 0 2 2 2 h "+(labelWidth1)+" l 5 5"
lx = -labelWidth/2 + 6;
ly = -labelHeight-lineHeight+12;
anchor = "start";
}
tooltip.append("path").attr("d",path);
lines.forEach(function(l,i) {
ly += labelHeights[i];
// tooltip.append("path").attr("d","M "+(lx-10)+" "+ly+" l 20 0 m -10 -5 l 0 10 ").attr('r',2).attr("stroke","#f00").attr("stroke-width","1").attr("fill","none")
tooltip.append("svg:text").attr("class","red-ui-flow-port-tooltip-label")
.attr("x", lx)
.attr("y", ly)
.attr("text-anchor",anchor)
.text(l||" ")
});
return tooltip;
}
function portMouseOver(port,d,portType,portIndex) {
if (mouse_mode === RED.state.SELECTING_NODE) {
d3.event.stopPropagation();
return;
}
clearTimeout(portLabelHoverTimeout);
var active = (mouse_mode!=RED.state.JOINING && mouse_mode != RED.state.QUICK_JOINING) || // Not currently joining - all ports active
(
drag_lines.length > 0 && // Currently joining
drag_lines[0].portType !== portType && // INPUT->OUTPUT OUTPUT->INPUT
(
!drag_lines[0].virtualLink || // Not a link wire
(drag_lines[0].node.type === 'link in' && d.type === 'link out') ||
(drag_lines[0].node.type === 'link out' && d.type === 'link in')
)
)
if (active && ((portType === PORT_TYPE_INPUT && ((d._def && d._def.inputLabels)||d.inputLabels)) || (portType === PORT_TYPE_OUTPUT && ((d._def && d._def.outputLabels)||d.outputLabels)))) {
portLabelHoverTimeout = setTimeout(function() {
var tooltip = getPortLabel(d,portType,portIndex);
if (!tooltip) {
return;
}
var pos = getElementPosition(port.node());
portLabelHoverTimeout = null;
portLabelHover = showTooltip(
(pos[0]+(portType===PORT_TYPE_INPUT?-2:12)),
(pos[1]+5),
tooltip,
portType===PORT_TYPE_INPUT?"left":"right"
);
},500);
}
port.classed("red-ui-flow-port-hovered",active);
}
function portMouseOut(port,d,portType,portIndex) {
if (mouse_mode === RED.state.SELECTING_NODE) {
d3.event.stopPropagation();
return;
}
clearTimeout(portLabelHoverTimeout);
if (portLabelHover) {
portLabelHover.remove();
portLabelHover = null;
}
port.classed("red-ui-flow-port-hovered",false);
}
function prepareDrag(mouse) {
mouse_mode = RED.state.MOVING;
// Called when movingSet should be prepared to be dragged
for (i=0;i<movingSet.length();i++) {
var msn = movingSet.get(i);
msn.ox = msn.n.x;
msn.oy = msn.n.y;
msn.dx = msn.n.x-mouse[0];
msn.dy = msn.n.y-mouse[1];
}
mouse_offset = d3.mouse(document.body);
if (isNaN(mouse_offset[0])) {
mouse_offset = d3.touches(document.body)[0];
}
}
function nodeMouseUp(d) {
if (RED.view.DEBUG) { console.warn("nodeMouseUp", mouse_mode,d); }
if (mouse_mode === RED.state.SELECTING_NODE) {
d3.event.stopPropagation();
return;
}
if (dblClickPrimed && mousedown_node == d && clickElapsed > 0 && clickElapsed < dblClickInterval) {
mouse_mode = RED.state.DEFAULT;
if (d.type != "subflow") {
if (/^subflow:/.test(d.type) && (d3.event.ctrlKey || d3.event.metaKey)) {
RED.workspaces.show(d.type.substring(8));
} else {
RED.editor.edit(d);
}
} else {
RED.editor.editSubflow(activeSubflow);
}
clickElapsed = 0;
d3.event.stopPropagation();
return;
}
if (mouse_mode === RED.state.MOVING) {
// Moving primed, but not active.
if (!groupNodeSelectPrimed && !d.selected && d.g && RED.nodes.group(d.g).selected) {
clearSelection();
selectGroup(RED.nodes.group(d.g), false);
enterActiveGroup(RED.nodes.group(d.g))
mousedown_node.selected = true;
movingSet.add(mousedown_node);
var mouse = d3.touches(this)[0]||d3.mouse(this);
mouse[0] += d.x-d.w/2;
mouse[1] += d.y-d.h/2;
prepareDrag(mouse);
updateSelection();
return;
}
}
groupNodeSelectPrimed = false;
var direction = d._def? (d.inputs > 0 ? 1: 0) : (d.direction == "in" ? 0: 1)
var wasJoining = false;
if (mouse_mode === RED.state.JOINING || mouse_mode === RED.state.QUICK_JOINING) {
wasJoining = true;
if (drag_lines.length > 0) {
if (drag_lines[0].virtualLink) {
if (d.type === 'link in') {
direction = 1;
} else if (d.type === 'link out') {
direction = 0;
}
} else {
if (drag_lines[0].portType === 1) {
direction = PORT_TYPE_OUTPUT;
} else {
direction = PORT_TYPE_INPUT;
}
}
}
}
portMouseUp(d, direction, 0);
if (wasJoining) {
d3.selectAll(".red-ui-flow-port-hovered").classed("red-ui-flow-port-hovered",false);
}
}
function nodeMouseDown(d) {
if (RED.view.DEBUG) { console.warn("nodeMouseDown", mouse_mode,d); }
focusView();
if (d3.event.button === 1) {
return;
}
//var touch0 = d3.event;
//var pos = [touch0.pageX,touch0.pageY];
//RED.touch.radialMenu.show(d3.select(this),pos);
if (mouse_mode == RED.state.IMPORT_DRAGGING) {
var historyEvent = RED.history.peek();
if (activeSpliceLink) {
// TODO: DRY - droppable/nodeMouseDown/canvasMouseUp
var spliceLink = d3.select(activeSpliceLink).data()[0];
RED.nodes.removeLink(spliceLink);
var link1 = {
source:spliceLink.source,
sourcePort:spliceLink.sourcePort,
target: movingSet.get(0).n
};
var link2 = {
source:movingSet.get(0).n,
sourcePort:0,
target: spliceLink.target
};
RED.nodes.addLink(link1);
RED.nodes.addLink(link2);
historyEvent.links = [link1,link2];
historyEvent.removedLinks = [spliceLink];
updateActiveNodes();
}
if (activeHoverGroup) {
for (var j=0;j<movingSet.length();j++) {
var n = movingSet.get(j);
RED.group.addToGroup(activeHoverGroup,n.n);
}
historyEvent.addedToGroup = activeHoverGroup;
activeHoverGroup.hovered = false;
enterActiveGroup(activeHoverGroup)
// TODO: check back whether this should add to moving_set
activeGroup.selected = true;
activeHoverGroup = null;
}
updateSelection();
RED.nodes.dirty(true);
redraw();
resetMouseVars();
d3.event.stopPropagation();
return;
} else if (mouse_mode == RED.state.QUICK_JOINING) {
d3.event.stopPropagation();
return;
} else if (mouse_mode === RED.state.SELECTING_NODE) {
d3.event.stopPropagation();
if (selectNodesOptions.single) {
selectNodesOptions.done(d);
return;
}
if (d.selected) {
d.selected = false;
movingSet.remove(d);
} else {
if (!selectNodesOptions.filter || selectNodesOptions.filter(d)) {
d.selected = true;
movingSet.add(d);
}
}
d.dirty = true;
redraw();
// if (selectNodesOptions && selectNodesOptions.onselect) {
// selectNodesOptions.onselect(moving_set.map(function(n) { return n.n;}))
// }
return;
}
mousedown_node = d;
var now = Date.now();
clickElapsed = now-clickTime;
clickTime = now;
dblClickPrimed = (lastClickNode == mousedown_node &&
(d3.event.touches || d3.event.button === 0) &&
!d3.event.shiftKey && !d3.event.altKey &&
clickElapsed < dblClickInterval
)
lastClickNode = mousedown_node;
var i;
if (!d.selected && d.g /*&& !RED.nodes.group(d.g).selected*/) {
var nodeGroup = RED.nodes.group(d.g);
if (nodeGroup !== activeGroup && (d3.event.ctrlKey || d3.event.metaKey)) {
if (activeGroup && nodeGroup.g === activeGroup.id) {
// Clicked on a node in a non-active group, inside the activeGroup, with ctrl pressed
// - add/remove the group from the current selection
groupNodeSelectPrimed = true;
if (nodeGroup.selected) {
deselectGroup(nodeGroup);
} else {
selectGroup(nodeGroup,true);
}
} else {
// Clicked on a node in a non-active group with ctrl pressed
// - exit active group
// - toggle the select state of the group
exitActiveGroup();
groupNodeSelectPrimed = true;
if (nodeGroup.selected) {
deselectGroup(nodeGroup);
} else {
selectGroup(nodeGroup,true);
}
}
} else if (nodeGroup === activeGroup ) {
if (d3.event.shiftKey) {
if (!d3.event.ctrlKey && !d3.event.metaKey) {
var ag = activeGroup;
clearSelection();
enterActiveGroup(ag);
activeGroup.selected = true;
}
console.log(d3.event);
var cnodes = RED.nodes.getAllFlowNodes(mousedown_node);
for (var n=0;n<cnodes.length;n++) {
if (!cnodes[n].selected) {
cnodes[n].selected = true;
cnodes[n].dirty = true;
movingSet.add(cnodes[n]);
}
}
} else {
// Clicked on a node in the active group
if (!d3.event.ctrlKey && !d3.event.metaKey) {
// Ctrl not pressed so clear selection
var ag = activeGroup;
clearSelection();
deselectGroup(nodeGroup);
selectGroup(nodeGroup,false,false);
if (ag) {
enterActiveGroup(ag);
activeGroup.selected = true;
}
}
// Select this node
mousedown_node.selected = true;
movingSet.add(mousedown_node);
}
} else {
// Clicked on a node in a group
// - if this group is not selected, clear current selection
// and select this group
// - if this group is not the active group, exit the active group
// and select the group
// - if this group is the active group, keep it active and
// change node selection
// Set groupNodeSelectPrimed to true as this is a (de)select of the
// group and NOT meant to trigger going into the group - see nodeMouseUp
groupNodeSelectPrimed = !nodeGroup.selected;
var ag = activeGroup;
if (!nodeGroup.selected) {
clearSelection();
}
if (ag) {
if (ag !== nodeGroup && ag.id !== nodeGroup.g) {
ag.active = false;
ag.dirty = true;
} else {
activeGroup = ag;
activeGroup.active = true;
}
} else {
dblClickPrimed = false;
}
selectGroup(nodeGroup, !(activeGroup && activeGroup === nodeGroup), !!groupNodeSelectPrimed);
if (activeGroup && activeGroup === nodeGroup) {
mousedown_node.selected = true;
movingSet.add(mousedown_node);
}
}
if (d3.event.button != 2) {
var mouse = d3.touches(this)[0]||d3.mouse(this);
mouse[0] += d.x-d.w/2;
mouse[1] += d.y-d.h/2;
prepareDrag(mouse);
}
} else if (d.selected && (d3.event.ctrlKey||d3.event.metaKey)) {
mousedown_node.selected = false;
movingSet.remove(mousedown_node);
} else {
// if (d.g && !RED.nodes.group(d.g).selected) {
// selectGroup(RED.nodes.group(d.g), false);
// }
// if (!d.selected && d.g) {
// if (!RED.nodes.group(d.g).selected) {// && !RED.nodes.group(d.g).selected) {
// clearSelection();
// selectGroup(RED.nodes.group(d.g));
// d.selected = true;
// console.log(d.id,"Setting selected")
// d.gSelected = true;
// }
// } else
if (d3.event.shiftKey) {
clearSelection();
var clickPosition = (d3.event.offsetX/scaleFactor - mousedown_node.x)
var edgeDelta = (mousedown_node.w/2) - Math.abs(clickPosition);
var cnodes;
var targetEdgeDelta = mousedown_node.w > 30 ? 25 : 8;
if (edgeDelta < targetEdgeDelta) {
if (clickPosition < 0) {
cnodes = [mousedown_node].concat(RED.nodes.getAllUpstreamNodes(mousedown_node));
} else {
cnodes = [mousedown_node].concat(RED.nodes.getAllDownstreamNodes(mousedown_node));
}
} else {
cnodes = RED.nodes.getAllFlowNodes(mousedown_node);
}
for (var n=0;n<cnodes.length;n++) {
cnodes[n].selected = true;
cnodes[n].dirty = true;
movingSet.add(cnodes[n]);
}
} else if (!d.selected) {
if (!d3.event.ctrlKey && !d3.event.metaKey) {
clearSelection();
} else {
exitActiveGroup();
}
mousedown_node.selected = true;
movingSet.add(mousedown_node);
}
selected_link = null;
if (d3.event.button != 2) {
mouse_mode = RED.state.MOVING;
var mouse = d3.touches(this)[0]||d3.mouse(this);
mouse[0] += d.x-d.w/2;
mouse[1] += d.y-d.h/2;
prepareDrag(mouse);
}
}
d.dirty = true;
updateSelection();
redraw();
d3.event.stopPropagation();
}
function nodeTouchStart(d) {
if (RED.view.DEBUG) { console.warn("nodeTouchStart", mouse_mode,d); }
var obj = d3.select(this);
var touch0 = d3.event.touches.item(0);
var pos = [touch0.pageX,touch0.pageY];
startTouchCenter = [touch0.pageX,touch0.pageY];
startTouchDistance = 0;
touchStartTime = setTimeout(function() {
showTouchMenu(obj,pos);
},touchLongPressTimeout);
nodeMouseDown.call(this,d)
d3.event.preventDefault();
}
function nodeTouchEnd(d) {
if (RED.view.DEBUG) { console.warn("nodeTouchEnd", mouse_mode,d); }
d3.event.preventDefault();
clearTimeout(touchStartTime);
touchStartTime = null;
if (RED.touch.radialMenu.active()) {
d3.event.stopPropagation();
return;
}
nodeMouseUp.call(this,d);
}
function nodeMouseOver(d) {
if (RED.view.DEBUG) { console.warn("nodeMouseOver", mouse_mode,d); }
if (mouse_mode === 0 || mouse_mode === RED.state.SELECTING_NODE) {
if (mouse_mode === RED.state.SELECTING_NODE && selectNodesOptions && selectNodesOptions.filter) {
if (selectNodesOptions.filter(d)) {
this.parentNode.classList.add("red-ui-flow-node-hovered");
}
} else {
this.parentNode.classList.add("red-ui-flow-node-hovered");
}
clearTimeout(portLabelHoverTimeout);
if (d.hasOwnProperty('l')?!d.l : (d.type === "link in" || d.type === "link out")) {
var parentNode = this.parentNode;
portLabelHoverTimeout = setTimeout(function() {
var tooltip;
if (d._def.label) {
tooltip = d._def.label;
try {
tooltip = (typeof tooltip === "function" ? tooltip.call(d) : tooltip)||"";
} catch(err) {
console.log("Definition error: "+d.type+".label",err);
tooltip = d.type;
}
}
if (tooltip !== "") {
var pos = getElementPosition(parentNode);
portLabelHoverTimeout = null;
portLabelHover = showTooltip(
(pos[0] + d.w/2),
(pos[1]-1),
tooltip,
"top"
);
}
},500);
}
} else if (mouse_mode === RED.state.JOINING || mouse_mode === RED.state.QUICK_JOINING) {
if (drag_lines.length > 0) {
var selectClass;
var portType;
if ((drag_lines[0].virtualLink && drag_lines[0].portType === PORT_TYPE_INPUT) || drag_lines[0].portType === PORT_TYPE_OUTPUT) {
selectClass = ".red-ui-flow-port-input .red-ui-flow-port";
portType = PORT_TYPE_INPUT;
} else {
selectClass = ".red-ui-flow-port-output .red-ui-flow-port";
portType = PORT_TYPE_OUTPUT;
}
portMouseOver(d3.select(this.parentNode).selectAll(selectClass),d,portType,0);
}
}
}
function nodeMouseOut(d) {
if (RED.view.DEBUG) { console.warn("nodeMouseOut", mouse_mode,d); }
this.parentNode.classList.remove("red-ui-flow-node-hovered");
clearTimeout(portLabelHoverTimeout);
if (portLabelHover) {
portLabelHover.remove();
portLabelHover = null;
}
if (mouse_mode === RED.state.JOINING || mouse_mode === RED.state.QUICK_JOINING) {
if (drag_lines.length > 0) {
var selectClass;
var portType;
if ((drag_lines[0].virtualLink && drag_lines[0].portType === PORT_TYPE_INPUT) || drag_lines[0].portType === PORT_TYPE_OUTPUT) {
selectClass = ".red-ui-flow-port-input .red-ui-flow-port";
portType = PORT_TYPE_INPUT;
} else {
selectClass = ".red-ui-flow-port-output .red-ui-flow-port";
portType = PORT_TYPE_OUTPUT;
}
portMouseOut(d3.select(this.parentNode).selectAll(selectClass),d,portType,0);
}
}
}
function portMouseDownProxy(e) { portMouseDown(this.__data__,this.__portType__,this.__portIndex__, e); }
function portTouchStartProxy(e) { portMouseDown(this.__data__,this.__portType__,this.__portIndex__, e); e.preventDefault() }
function portMouseUpProxy(e) { portMouseUp(this.__data__,this.__portType__,this.__portIndex__, e); }
function portTouchEndProxy(e) { portMouseUp(this.__data__,this.__portType__,this.__portIndex__, e); e.preventDefault() }
function portMouseOverProxy(e) { portMouseOver(d3.select(this), this.__data__,this.__portType__,this.__portIndex__, e); }
function portMouseOutProxy(e) { portMouseOut(d3.select(this), this.__data__,this.__portType__,this.__portIndex__, e); }
function linkMouseDown(d) {
if (mouse_mode === RED.state.SELECTING_NODE) {
d3.event.stopPropagation();
return;
}
mousedown_link = d;
clearSelection();
selected_link = mousedown_link;
updateSelection();
redraw();
focusView();
d3.event.stopPropagation();
if (d3.event.metaKey || d3.event.ctrlKey) {
d3.select(this).classed("red-ui-flow-link-splice",true);
var point = d3.mouse(this);
var clickedGroup = getGroupAt(point[0],point[1]);
showQuickAddDialog({position:point, splice:selected_link, group:clickedGroup});
}
}
function linkTouchStart(d) {
if (mouse_mode === RED.state.SELECTING_NODE) {
d3.event.stopPropagation();
return;
}
mousedown_link = d;
clearSelection();
selected_link = mousedown_link;
updateSelection();
redraw();
focusView();
d3.event.stopPropagation();
var obj = d3.select(document.body);
var touch0 = d3.event.touches.item(0);
var pos = [touch0.pageX,touch0.pageY];
touchStartTime = setTimeout(function() {
touchStartTime = null;
showTouchMenu(obj,pos);
},touchLongPressTimeout);
d3.event.preventDefault();
}
function groupMouseUp(g) {
if (dblClickPrimed && mousedown_group == g && clickElapsed > 0 && clickElapsed < dblClickInterval) {
mouse_mode = RED.state.DEFAULT;
RED.editor.editGroup(g);
d3.event.stopPropagation();
return;
}
}
function groupMouseDown(g) {
var mouse = d3.touches(this.parentNode)[0]||d3.mouse(this.parentNode);
// if (! (mouse[0] < g.x+10 || mouse[0] > g.x+g.w-10 || mouse[1] < g.y+10 || mouse[1] > g.y+g.h-10) ) {
// return
// }
focusView();
if (d3.event.button === 1) {
return;
}
if (mouse_mode == RED.state.QUICK_JOINING) {
d3.event.stopPropagation();
return;
} else if (mouse_mode === RED.state.SELECTING_NODE) {
d3.event.stopPropagation();
return;
}
mousedown_group = g;
var now = Date.now();
clickElapsed = now-clickTime;
clickTime = now;
dblClickPrimed = (
lastClickNode == g &&
(d3.event.touches || d3.event.button === 0) &&
!d3.event.shiftKey && !d3.event.metaKey && !d3.event.altKey && !d3.event.ctrlKey &&
clickElapsed < dblClickInterval
);
lastClickNode = g;
if (g.selected && (d3.event.ctrlKey||d3.event.metaKey)) {
if (g === activeGroup) {
exitActiveGroup();
}
deselectGroup(g);
d3.event.stopPropagation();
} else {
if (!g.selected) {
if (!d3.event.ctrlKey && !d3.event.metaKey) {
var ag = activeGroup;
clearSelection();
if (ag && g.g === ag.id) {
enterActiveGroup(ag);
activeGroup.selected = true;
}
}
if (activeGroup) {
if (!RED.group.contains(activeGroup,g)) {
// Clicked on a group that is outside the activeGroup
exitActiveGroup();
} else {
}
}
selectGroup(g,true);//!wasSelected);
} else if (activeGroup && g.g !== activeGroup.id){
exitActiveGroup();
}
if (d3.event.button != 2) {
var d = g.nodes[0];
prepareDrag(mouse);
mousedown_group.dx = mousedown_group.x - mouse[0];
mousedown_group.dy = mousedown_group.y - mouse[1];
}
}
updateSelection();
redraw();
d3.event.stopPropagation();
}
function selectGroup(g, includeNodes, addToMovingSet) {
if (!g.selected) {
g.selected = true;
g.dirty = true;
}
if (addToMovingSet !== false) {
movingSet.add(g);
}
if (includeNodes) {
var currentSet = new Set(movingSet.nodes());
var allNodes = RED.group.getNodes(g,true);
allNodes.forEach(function(n) {
if (!currentSet.has(n)) {
movingSet.add(n)
// n.selected = true;
}
n.dirty = true;
})
}
}
function enterActiveGroup(group) {
if (activeGroup) {
exitActiveGroup();
}
group.active = true;
group.dirty = true;
activeGroup = group;
movingSet.remove(group);
}
function exitActiveGroup() {
if (activeGroup) {
activeGroup.active = false;
activeGroup.dirty = true;
deselectGroup(activeGroup);
selectGroup(activeGroup,true);
activeGroup = null;
}
}
function deselectGroup(g) {
if (g.selected) {
g.selected = false;
g.dirty = true;
}
var nodeSet = new Set(g.nodes);
nodeSet.add(g);
for (var i = movingSet.length()-1; i >= 0; i -= 1) {
var msn = movingSet.get(i);
if (nodeSet.has(msn.n) || msn.n === g) {
msn.n.selected = false;
msn.n.dirty = true;
movingSet.remove(msn.n,i)
}
}
}
function getGroupAt(x,y) {
// x,y expected to be in node-co-ordinate space
var candidateGroups = {};
for (var i=0;i<activeGroups.length;i++) {
var g = activeGroups[i];
if (x >= g.x && x <= g.x + g.w && y >= g.y && y <= g.y + g.h) {
candidateGroups[g.id] = g;
}
}
var ids = Object.keys(candidateGroups);
if (ids.length > 1) {
ids.forEach(function(id) {
if (candidateGroups[id] && candidateGroups[id].g) {
delete candidateGroups[candidateGroups[id].g]
}
})
ids = Object.keys(candidateGroups);
}
if (ids.length === 0) {
return null;
} else {
return candidateGroups[ids[ids.length-1]]
}
}
function isButtonEnabled(d) {
var buttonEnabled = true;
var ws = RED.nodes.workspace(RED.workspaces.active());
if (ws && !ws.disabled && !d.d) {
if (d._def.button.hasOwnProperty('enabled')) {
if (typeof d._def.button.enabled === "function") {
buttonEnabled = d._def.button.enabled.call(d);
} else {
buttonEnabled = d._def.button.enabled;
}
}
} else {
buttonEnabled = false;
}
return buttonEnabled;
}
function nodeButtonClicked(d) {
if (mouse_mode === RED.state.SELECTING_NODE) {
if (d3.event) {
d3.event.stopPropagation();
}
return;
}
var activeWorkspace = RED.workspaces.active();
var ws = RED.nodes.workspace(activeWorkspace);
if (ws && !ws.disabled && !d.d) {
if (d._def.button.toggle) {
d[d._def.button.toggle] = !d[d._def.button.toggle];
d.dirty = true;
}
if (d._def.button.onclick) {
try {
d._def.button.onclick.call(d);
} catch(err) {
console.log("Definition error: "+d.type+".onclick",err);
}
}
if (d.dirty) {
redraw();
}
} else {
if (activeSubflow) {
RED.notify(RED._("notification.warning", {message:RED._("notification.warnings.nodeActionDisabledSubflow")}),"warning");
} else {
RED.notify(RED._("notification.warning", {message:RED._("notification.warnings.nodeActionDisabled")}),"warning");
}
}
if (d3.event) {
d3.event.preventDefault();
}
}
function showTouchMenu(obj,pos) {
var mdn = mousedown_node;
var options = [];
options.push({name:"delete",disabled:(movingSet.length()===0 && selected_link === null),onselect:function() {deleteSelection();}});
options.push({name:"cut",disabled:(movingSet.length()===0),onselect:function() {copySelection();deleteSelection();}});
options.push({name:"copy",disabled:(movingSet.length()===0),onselect:function() {copySelection();}});
options.push({name:"paste",disabled:(clipboard.length===0),onselect:function() {importNodes(clipboard, {generateIds: true, touchImport: true});}});
options.push({name:"edit",disabled:(movingSet.length() != 1),onselect:function() { RED.editor.edit(mdn);}});
options.push({name:"select",onselect:function() {selectAll();}});
options.push({name:"undo",disabled:(RED.history.depth() === 0),onselect:function() {RED.history.pop();}});
options.push({name:"add",onselect:function() {
chartPos = chart.offset();
showQuickAddDialog({
position:[pos[0]-chartPos.left+chart.scrollLeft(),pos[1]-chartPos.top+chart.scrollTop()],
touchTrigger:true
})
}});
RED.touch.radialMenu.show(obj,pos,options);
resetMouseVars();
}
function createIconAttributes(iconUrl, icon_group, d) {
var fontAwesomeUnicode = null;
if (iconUrl.indexOf("font-awesome/") === 0) {
var iconName = iconUrl.substr(13);
var fontAwesomeUnicode = RED.nodes.fontAwesome.getIconUnicode(iconName);
if (!fontAwesomeUnicode) {
var iconPath = RED.utils.getDefaultNodeIcon(d._def, d);
iconUrl = RED.settings.apiRootUrl+"icons/"+iconPath.module+"/"+iconPath.file;
}
}
if (fontAwesomeUnicode) {
// Since Node-RED workspace uses SVG, i tag cannot be used for font-awesome icon.
// On SVG, use text tag as an alternative.
icon_group.append("text")
.attr("xlink:href",iconUrl)
.attr("class","fa-lg")
.attr("x",15)
.text(fontAwesomeUnicode);
} else {
var icon = icon_group.append("image")
.style("display","none")
.attr("xlink:href",iconUrl)
.attr("class","red-ui-flow-node-icon")
.attr("x",0)
.attr("width","30")
.attr("height","30");
var img = new Image();
img.src = iconUrl;
img.onload = function() {
if (!iconUrl.match(/\.svg$/)) {
var largestEdge = Math.max(img.width,img.height);
var scaleFactor = 1;
if (largestEdge > 30) {
scaleFactor = 30/largestEdge;
}
var width = img.width * scaleFactor;
var height = img.height * scaleFactor;
icon.attr("width",width);
icon.attr("height",height);
icon.attr("x",15-width/2);
}
icon.attr("xlink:href",iconUrl);
icon.style("display",null);
//if ("right" == d._def.align) {
// icon.attr("x",function(d){return d.w-img.width-1-(d.outputs>0?5:0);});
// icon_shade.attr("x",function(d){return d.w-30});
// icon_shade_border.attr("d",function(d){return "M "+(d.w-30)+" 1 l 0 "+(d.h-2);});
//}
}
}
}
function redrawStatus(d,nodeEl) {
if (d.z !== RED.workspaces.active()) {
return;
}
if (!nodeEl) {
nodeEl = document.getElementById(d.id);
}
if (nodeEl) {
// Do not show node status if:
// - global flag set
// - node has no status
// - node is disabled
if (!showStatus || !d.status || d.d === true) {
nodeEl.__statusGroup__.style.display = "none";
} else {
nodeEl.__statusGroup__.style.display = "inline";
var fill = status_colours[d.status.fill]; // Only allow our colours for now
if (d.status.shape == null && fill == null) {
nodeEl.__statusShape__.style.display = "none";
nodeEl.__statusGroup__.setAttribute("transform","translate(-14,"+(d.h+3)+")");
} else {
nodeEl.__statusGroup__.setAttribute("transform","translate(3,"+(d.h+3)+")");
var statusClass = "red-ui-flow-node-status-"+(d.status.shape||"dot")+"-"+d.status.fill;
nodeEl.__statusShape__.style.display = "inline";
nodeEl.__statusShape__.setAttribute("class","red-ui-flow-node-status "+statusClass);
}
if (d.status.hasOwnProperty('text')) {
nodeEl.__statusLabel__.textContent = d.status.text;
} else {
nodeEl.__statusLabel__.textContent = "";
}
}
delete d.dirtyStatus;
}
}
var pendingRedraw;
function redraw() {
if (RED.view.DEBUG_SYNC_REDRAW) {
_redraw();
} else {
if (pendingRedraw) {
cancelAnimationFrame(pendingRedraw);
}
pendingRedraw = requestAnimationFrame(_redraw);
}
}
function _redraw() {
eventLayer.attr("transform","scale("+scaleFactor+")");
outer.attr("width", space_width*scaleFactor).attr("height", space_height*scaleFactor);
// Don't bother redrawing nodes if we're drawing links
if (showAllLinkPorts !== -1 || mouse_mode != RED.state.JOINING) {
var dirtyNodes = {};
if (activeSubflow) {
var subflowOutputs = nodeLayer.selectAll(".red-ui-flow-subflow-port-output").data(activeSubflow.out,function(d,i){ return d.id;});
subflowOutputs.exit().remove();
var outGroup = subflowOutputs.enter().insert("svg:g").attr("class","red-ui-flow-node red-ui-flow-subflow-port-output").attr("transform",function(d) { return "translate("+(d.x-20)+","+(d.y-20)+")"});
outGroup.each(function(d,i) {
d.w=40;
d.h=40;
});
outGroup.append("rect").attr("class","red-ui-flow-subflow-port").attr("rx",8).attr("ry",8).attr("width",40).attr("height",40)
// TODO: This is exactly the same set of handlers used for regular nodes - DRY
.on("mouseup",nodeMouseUp)
.on("mousedown",nodeMouseDown)
.on("touchstart",nodeTouchStart)
.on("touchend",nodeTouchEnd)
outGroup.append("g").attr('transform','translate(-5,15)').append("rect").attr("class","red-ui-flow-port").attr("rx",3).attr("ry",3).attr("width",10).attr("height",10)
.on("mousedown", function(d,i){portMouseDown(d,PORT_TYPE_INPUT,0);} )
.on("touchstart", function(d,i){portMouseDown(d,PORT_TYPE_INPUT,0);d3.event.preventDefault();} )
.on("mouseup", function(d,i){portMouseUp(d,PORT_TYPE_INPUT,0);})
.on("touchend",function(d,i){portMouseUp(d,PORT_TYPE_INPUT,0);d3.event.preventDefault();} )
.on("mouseover",function(d){portMouseOver(d3.select(this),d,PORT_TYPE_INPUT,0);})
.on("mouseout",function(d){portMouseOut(d3.select(this),d,PORT_TYPE_INPUT,0);});
outGroup.append("svg:text").attr("class","red-ui-flow-port-label").attr("x",20).attr("y",12).style("font-size","10px").text("output");
outGroup.append("svg:text").attr("class","red-ui-flow-port-label red-ui-flow-port-index").attr("x",20).attr("y",28).text(function(d,i){ return i+1});
var subflowInputs = nodeLayer.selectAll(".red-ui-flow-subflow-port-input").data(activeSubflow.in,function(d,i){ return d.id;});
subflowInputs.exit().remove();
var inGroup = subflowInputs.enter().insert("svg:g").attr("class","red-ui-flow-node red-ui-flow-subflow-port-input").attr("transform",function(d) { return "translate("+(d.x-20)+","+(d.y-20)+")"});
inGroup.each(function(d,i) {
d.w=40;
d.h=40;
});
inGroup.append("rect").attr("class","red-ui-flow-subflow-port").attr("rx",8).attr("ry",8).attr("width",40).attr("height",40)
// TODO: This is exactly the same set of handlers used for regular nodes - DRY
.on("mouseup",nodeMouseUp)
.on("mousedown",nodeMouseDown)
.on("touchstart",nodeTouchStart)
.on("touchend", nodeTouchEnd);
inGroup.append("g").attr('transform','translate(35,15)').append("rect").attr("class","red-ui-flow-port").attr("rx",3).attr("ry",3).attr("width",10).attr("height",10)
.on("mousedown", function(d,i){portMouseDown(d,PORT_TYPE_OUTPUT,i);} )
.on("touchstart", function(d,i){portMouseDown(d,PORT_TYPE_OUTPUT,i);d3.event.preventDefault();} )
.on("mouseup", function(d,i){portMouseUp(d,PORT_TYPE_OUTPUT,i);})
.on("touchend",function(d,i){portMouseUp(d,PORT_TYPE_OUTPUT,i);d3.event.preventDefault();} )
.on("mouseover",function(d){portMouseOver(d3.select(this),d,PORT_TYPE_OUTPUT,0);})
.on("mouseout",function(d) {portMouseOut(d3.select(this),d,PORT_TYPE_OUTPUT,0);});
inGroup.append("svg:text").attr("class","red-ui-flow-port-label").attr("x",18).attr("y",20).style("font-size","10px").text("input");
var subflowStatus = nodeLayer.selectAll(".red-ui-flow-subflow-port-status").data(activeSubflow.status?[activeSubflow.status]:[],function(d,i){ return d.id;});
subflowStatus.exit().remove();
var statusGroup = subflowStatus.enter().insert("svg:g").attr("class","red-ui-flow-node red-ui-flow-subflow-port-status").attr("transform",function(d) { return "translate("+(d.x-20)+","+(d.y-20)+")"});
statusGroup.each(function(d,i) {
d.w=40;
d.h=40;
});
statusGroup.append("rect").attr("class","red-ui-flow-subflow-port").attr("rx",8).attr("ry",8).attr("width",40).attr("height",40)
// TODO: This is exactly the same set of handlers used for regular nodes - DRY
.on("mouseup",nodeMouseUp)
.on("mousedown",nodeMouseDown)
.on("touchstart",nodeTouchStart)
.on("touchend", nodeTouchEnd);
statusGroup.append("g").attr('transform','translate(-5,15)').append("rect").attr("class","red-ui-flow-port").attr("rx",3).attr("ry",3).attr("width",10).attr("height",10)
.on("mousedown", function(d,i){portMouseDown(d,PORT_TYPE_INPUT,0);} )
.on("touchstart", function(d,i){portMouseDown(d,PORT_TYPE_INPUT,0);d3.event.preventDefault();} )
.on("mouseup", function(d,i){portMouseUp(d,PORT_TYPE_INPUT,0);})
.on("touchend",function(d,i){portMouseUp(d,PORT_TYPE_INPUT,0);d3.event.preventDefault();} )
.on("mouseover",function(d){portMouseOver(d3.select(this),d,PORT_TYPE_INPUT,0);})
.on("mouseout",function(d){portMouseOut(d3.select(this),d,PORT_TYPE_INPUT,0);});
statusGroup.append("svg:text").attr("class","red-ui-flow-port-label").attr("x",22).attr("y",20).style("font-size","10px").text("status");
subflowOutputs.each(function(d,i) {
if (d.dirty) {
var output = d3.select(this);
output.classed("red-ui-flow-node-selected",function(d) { return d.selected; })
output.selectAll(".red-ui-flow-port-index").text(function(d){ return d.i+1});
output.attr("transform", function(d) { return "translate(" + (d.x-d.w/2) + "," + (d.y-d.h/2) + ")"; });
dirtyNodes[d.id] = d;
d.dirty = false;
}
});
subflowInputs.each(function(d,i) {
if (d.dirty) {
var input = d3.select(this);
input.classed("red-ui-flow-node-selected",function(d) { return d.selected; })
input.attr("transform", function(d) { return "translate(" + (d.x-d.w/2) + "," + (d.y-d.h/2) + ")"; });
dirtyNodes[d.id] = d;
d.dirty = false;
}
});
subflowStatus.each(function(d,i) {
if (d.dirty) {
var output = d3.select(this);
output.classed("red-ui-flow-node-selected",function(d) { return d.selected; })
output.selectAll(".red-ui-flow-port-index").text(function(d){ return d.i+1});
output.attr("transform", function(d) { return "translate(" + (d.x-d.w/2) + "," + (d.y-d.h/2) + ")"; });
dirtyNodes[d.id] = d;
d.dirty = false;
}
});
} else {
nodeLayer.selectAll(".red-ui-flow-subflow-port-output").remove();
nodeLayer.selectAll(".red-ui-flow-subflow-port-input").remove();
nodeLayer.selectAll(".red-ui-flow-subflow-port-status").remove();
}
var node = nodeLayer.selectAll(".red-ui-flow-node-group").data(activeNodes,function(d){return d.id});
node.exit().each(function(d,i) {
RED.hooks.trigger("viewRemoveNode",{node:d,el:this})
}).remove();
var nodeEnter = node.enter().insert("svg:g")
.attr("class", "red-ui-flow-node red-ui-flow-node-group")
.classed("red-ui-flow-subflow", activeSubflow != null);
nodeEnter.each(function(d,i) {
this.__outputs__ = [];
this.__inputs__ = [];
var node = d3.select(this);
var nodeContents = document.createDocumentFragment();
var isLink = (d.type === "link in" || d.type === "link out")
var hideLabel = d.hasOwnProperty('l')?!d.l : isLink;
node.attr("id",d.id);
d.h = node_height;
d.resize = true;
if (d._def.button) {
var buttonGroup = document.createElementNS("http://www.w3.org/2000/svg","g");
buttonGroup.__data__ = d;
buttonGroup.setAttribute("transform", "translate("+((d._def.align == "right") ? 94 : -25)+",2)");
buttonGroup.setAttribute("class","red-ui-flow-node-button");
node[0][0].__buttonGroup__ = buttonGroup;
var bgBackground = document.createElementNS("http://www.w3.org/2000/svg","rect");
bgBackground.__data__ = d;
bgBackground.setAttribute("class","red-ui-flow-node-button-background");
bgBackground.setAttribute("rx",5);
bgBackground.setAttribute("ry",5);
bgBackground.setAttribute("width",32);
bgBackground.setAttribute("height",node_height-4);
buttonGroup.appendChild(bgBackground);
node[0][0].__buttonGroupBackground__ = bgBackground;
var bgButton = document.createElementNS("http://www.w3.org/2000/svg","rect");
bgButton.__data__ = d;
bgButton.setAttribute("class","red-ui-flow-node-button-button");
bgButton.setAttribute("x", d._def.align == "right"? 11:5);
bgButton.setAttribute("y",4);
bgButton.setAttribute("rx",4);
bgButton.setAttribute("ry",4);
bgButton.setAttribute("width",16);
bgButton.setAttribute("height",node_height-12);
bgButton.setAttribute("fill", RED.utils.getNodeColor(d.type,d._def));
d3.select(bgButton)
.on("mousedown",function(d) {if (!lasso && isButtonEnabled(d)) {focusView();d3.select(this).attr("fill-opacity",0.2);d3.event.preventDefault(); d3.event.stopPropagation();}})
.on("mouseup",function(d) {if (!lasso && isButtonEnabled(d)) { d3.select(this).attr("fill-opacity",0.4);d3.event.preventDefault();d3.event.stopPropagation();}})
.on("mouseover",function(d) {if (!lasso && isButtonEnabled(d)) { d3.select(this).attr("fill-opacity",0.4);}})
.on("mouseout",function(d) {if (!lasso && isButtonEnabled(d)) {
var op = 1;
if (d._def.button.toggle) {
op = d[d._def.button.toggle]?1:0.2;
}
d3.select(this).attr("fill-opacity",op);
}})
.on("click",nodeButtonClicked)
.on("touchstart",function(d) { nodeButtonClicked.call(this,d); d3.event.preventDefault();})
buttonGroup.appendChild(bgButton);
node[0][0].__buttonGroupButton__ = bgButton;
nodeContents.appendChild(buttonGroup);
}
var mainRect = document.createElementNS("http://www.w3.org/2000/svg","rect");
mainRect.__data__ = d;
mainRect.setAttribute("class", "red-ui-flow-node "+(d.type == "unknown"?"red-ui-flow-node-unknown":""));
mainRect.setAttribute("rx", 5);
mainRect.setAttribute("ry", 5);
mainRect.setAttribute("fill", RED.utils.getNodeColor(d.type,d._def));
node[0][0].__mainRect__ = mainRect;
d3.select(mainRect)
.on("mouseup",nodeMouseUp)
.on("mousedown",nodeMouseDown)
.on("touchstart",nodeTouchStart)
.on("touchend",nodeTouchEnd)
.on("mouseover",nodeMouseOver)
.on("mouseout",nodeMouseOut);
nodeContents.appendChild(mainRect);
//node.append("rect").attr("class", "node-gradient-top").attr("rx", 6).attr("ry", 6).attr("height",30).attr("stroke","none").attr("fill","url(#gradient-top)").style("pointer-events","none");
//node.append("rect").attr("class", "node-gradient-bottom").attr("rx", 6).attr("ry", 6).attr("height",30).attr("stroke","none").attr("fill","url(#gradient-bottom)").style("pointer-events","none");
if (d._def.icon) {
var icon_url = RED.utils.getNodeIcon(d._def,d);
var icon_groupEl = document.createElementNS("http://www.w3.org/2000/svg","g");
icon_groupEl.__data__ = d;
icon_groupEl.setAttribute("class","red-ui-flow-node-icon-group"+("right" == d._def.align?" red-ui-flow-node-icon-group-right":""));
icon_groupEl.setAttribute("x",0);
icon_groupEl.setAttribute("y",0);
icon_groupEl.style["pointer-events"] = "none";
node[0][0].__iconGroup__ = icon_groupEl;
var icon_shade = document.createElementNS("http://www.w3.org/2000/svg","rect");
icon_shade.setAttribute("x",0);
icon_shade.setAttribute("y",0);
icon_shade.setAttribute("class","red-ui-flow-node-icon-shade")
icon_shade.setAttribute("width",30);
icon_shade.setAttribute("height",Math.min(50,d.h-4));
icon_groupEl.appendChild(icon_shade);
node[0][0].__iconShade__ = icon_shade;
var icon_group = d3.select(icon_groupEl)
createIconAttributes(icon_url, icon_group, d);
var icon_shade_border = document.createElementNS("http://www.w3.org/2000/svg","path");
icon_shade_border.setAttribute("d","right" != d._def.align ? "M 30 1 l 0 "+(d.h-2) : "M 0 1 l 0 "+(d.h-2) )
icon_shade_border.setAttribute("class", "red-ui-flow-node-icon-shade-border")
icon_groupEl.appendChild(icon_shade_border);
node[0][0].__iconShadeBorder__ = icon_shade_border;
nodeContents.appendChild(icon_groupEl);
}
var text = document.createElementNS("http://www.w3.org/2000/svg","g");
text.setAttribute("class","red-ui-flow-node-label"+(hideLabel?" hide":"")+(d._def.align?" red-ui-flow-node-label-"+d._def.align:""));
text.setAttribute("transform","translate(38,0)");
// text.setAttribute("dy", ".3px");
// text.setAttribute("text-anchor",d._def.align !== "right" ? "start":"end");
nodeContents.appendChild(text);
node[0][0].__textGroup__ = text;
var statusEl = document.createElementNS("http://www.w3.org/2000/svg","g");
// statusEl.__data__ = d;
statusEl.setAttribute("class","red-ui-flow-node-status-group");
statusEl.style.display = "none";
node[0][0].__statusGroup__ = statusEl;
var statusRect = document.createElementNS("http://www.w3.org/2000/svg","rect");
statusRect.setAttribute("class","red-ui-flow-node-status");
statusRect.setAttribute("x",6);
statusRect.setAttribute("y",1);
statusRect.setAttribute("width",9);
statusRect.setAttribute("height",9);
statusRect.setAttribute("rx",2);
statusRect.setAttribute("ry",2);
statusRect.setAttribute("stroke-width","3");
statusEl.appendChild(statusRect);
node[0][0].__statusShape__ = statusRect;
var statusLabel = document.createElementNS("http://www.w3.org/2000/svg","text");
statusLabel.setAttribute("class","red-ui-flow-node-status-label");
statusLabel.setAttribute("x",20);
statusLabel.setAttribute("y",10);
statusEl.appendChild(statusLabel);
node[0][0].__statusLabel__ = statusLabel;
nodeContents.appendChild(statusEl);
node[0][0].appendChild(nodeContents);
RED.hooks.trigger("viewAddNode",{node:d,el:this})
});
var nodesReordered = false;
node.each(function(d,i) {
if (d._reordered) {
nodesReordered = true;
delete d._reordered;
}
if (d.dirty) {
var self = this;
var thisNode = d3.select(this);
var isLink = (d.type === "link in" || d.type === "link out")
var hideLabel = d.hasOwnProperty('l')?!d.l : isLink;
dirtyNodes[d.id] = d;
//if (d.x < -50) deleteSelection(); // Delete nodes if dragged back to palette
var label = RED.utils.getNodeLabel(d, d.type);
var labelParts;
if (d.resize || this.__hideLabel__ !== hideLabel || this.__label__ !== label || this.__outputs__.length !== d.outputs) {
labelParts = getLabelParts(label, "red-ui-flow-node-label");
if (labelParts.lines.length !== this.__labelLineCount__ || this.__label__ !== label) {
d.resize = true;
}
this.__label__ = label;
this.__labelLineCount__ = labelParts.lines.length;
if (hideLabel) {
d.h = Math.max(node_height,(d.outputs || 0) * 15);
} else {
d.h = Math.max(6+24*labelParts.lines.length,(d.outputs || 0) * 15, 30);
}
this.__hideLabel__ = hideLabel;
}
if (d.resize) {
var ow = d.w;
if (hideLabel) {
d.w = node_height;
} else {
d.w = Math.max(node_width,20*(Math.ceil((labelParts.width+50+(d._def.inputs>0?7:0))/20)) );
}
if (ow !== undefined) {
d.x += (d.w-ow)/2;
}
d.resize = false;
}
if (d._colorChanged) {
var newColor = RED.utils.getNodeColor(d.type,d._def);
this.__mainRect__.setAttribute("fill",newColor);
if (this.__buttonGroupButton__) {
this.__buttonGroupButton__.settAttribute("fill",newColor);
}
delete d._colorChanged;
}
//thisNode.selectAll(".centerDot").attr({"cx":function(d) { return d.w/2;},"cy":function(d){return d.h/2}});
this.setAttribute("transform", "translate(" + (d.x-d.w/2) + "," + (d.y-d.h/2) + ")");
// This might be the first redraw after a node has been click-dragged to start a move.
// So its selected state might have changed since the last redraw.
this.classList.toggle("red-ui-flow-node-selected", !!d.selected )
if (mouse_mode != RED.state.MOVING_ACTIVE) {
this.classList.toggle("red-ui-flow-node-disabled", d.d === true);
this.__mainRect__.setAttribute("width", d.w)
this.__mainRect__.setAttribute("height", d.h)
this.__mainRect__.classList.toggle("red-ui-flow-node-highlighted",!!d.highlighted );
if (labelParts) {
// The label has changed
var sa = labelParts.lines;
var sn = labelParts.lines.length;
var textLines = this.__textGroup__.childNodes;
while(textLines.length > sn) {
textLines[textLines.length-1].remove();
}
for (var i=0; i<sn; i++) {
if (i===textLines.length) {
var line = document.createElementNS("http://www.w3.org/2000/svg","text");
line.setAttribute("class","red-ui-flow-node-label-text");
line.setAttribute("x",0);
line.setAttribute("y",i*24);
this.__textGroup__.appendChild(line);
}
textLines[i].textContent = sa[i];
}
}
var textClass = "";
if (d._def.labelStyle) {
textClass = d._def.labelStyle;
try {
textClass = (typeof textClass === "function" ? textClass.call(d) : textClass)||"";
} catch(err) {
console.log("Definition error: "+d.type+".labelStyle",err);
textClass = "";
}
textClass = " "+textClass;
}
textClass = "red-ui-flow-node-label"+(d._def.align?" red-ui-flow-node-label-"+d._def.align:"")+textClass+(hideLabel?" hide":"");
this.__textGroup__.setAttribute("class", textClass);
var yp = d.h / 2 - (this.__labelLineCount__ / 2) * 24 + 13;
if ((!d._def.align && d.inputs !== 0 && d.outputs === 0) || "right" === d._def.align) {
if (this.__iconGroup__) {
this.__iconGroup__.classList.add("red-ui-flow-node-icon-group-right");
this.__iconGroup__.setAttribute("transform", "translate("+(d.w-30)+",0)");
}
this.__textGroup__.classList.add("red-ui-flow-node-label-right");
this.__textGroup__.setAttribute("transform", "translate("+(d.w-38)+","+yp+")");
} else {
if (this.__iconGroup__) {// is null for uknown nodes
this.__iconGroup__.classList.remove("red-ui-flow-node-icon-group-right");
this.__iconGroup__.setAttribute("transform", "");
}
this.__textGroup__.classList.remove("red-ui-flow-node-label-right");
this.__textGroup__.setAttribute("transform", "translate(38,"+yp+")");
}
var inputPorts = thisNode.selectAll(".red-ui-flow-port-input");
if ((!isLink || (showAllLinkPorts === -1 && !activeLinkNodes[d.id])) && d.inputs === 0 && !inputPorts.empty()) {
inputPorts.each(function(d,i) {
RED.hooks.trigger("viewRemovePort",{
node:d,
el:self,
port:d3.select(this)[0][0],
portType: "input",
portIndex: 0
})
}).remove();
} else if (((isLink && (showAllLinkPorts===PORT_TYPE_INPUT||activeLinkNodes[d.id]))|| d.inputs === 1) && inputPorts.empty()) {
var inputGroup = thisNode.append("g").attr("class","red-ui-flow-port-input");
var inputGroupPorts;
if (d.type === "link in") {
inputGroupPorts = inputGroup.append("circle")
.attr("cx",-1).attr("cy",5)
.attr("r",5)
.attr("class","red-ui-flow-port red-ui-flow-link-port")
} else {
inputGroupPorts = inputGroup.append("rect").attr("class","red-ui-flow-port").attr("rx",3).attr("ry",3).attr("width",10).attr("height",10)
}
inputGroup[0][0].__port__ = inputGroupPorts[0][0];
inputGroupPorts[0][0].__data__ = this.__data__;
inputGroupPorts[0][0].__portType__ = PORT_TYPE_INPUT;
inputGroupPorts[0][0].__portIndex__ = 0;
inputGroupPorts.on("mousedown",function(d){portMouseDown(d,PORT_TYPE_INPUT,0);})
.on("touchstart",function(d){portMouseDown(d,PORT_TYPE_INPUT,0);d3.event.preventDefault();})
.on("mouseup",function(d){portMouseUp(d,PORT_TYPE_INPUT,0);} )
.on("touchend",function(d){portMouseUp(d,PORT_TYPE_INPUT,0);d3.event.preventDefault();} )
.on("mouseover",function(d){portMouseOver(d3.select(this),d,PORT_TYPE_INPUT,0);})
.on("mouseout",function(d) {portMouseOut(d3.select(this),d,PORT_TYPE_INPUT,0);});
RED.hooks.trigger("viewAddPort",{node:d,el: this, port: inputGroup[0][0], portType: "input", portIndex: 0})
}
var numOutputs = d.outputs;
if (isLink && d.type === "link out") {
if (d.mode !== "return" && (showAllLinkPorts===PORT_TYPE_OUTPUT || activeLinkNodes[d.id])) {
numOutputs = 1;
} else {
numOutputs = 0;
}
}
var y = (d.h/2)-((numOutputs-1)/2)*13;
// Remove extra ports
while (this.__outputs__.length > numOutputs) {
var port = this.__outputs__.pop();
RED.hooks.trigger("viewRemovePort",{
node:d,
el:this,
port:port,
portType: "output",
portIndex: this.__outputs__.length
})
port.remove();
}
for(var portIndex = 0; portIndex < numOutputs; portIndex++ ) {
var portGroup;
if (portIndex === this.__outputs__.length) {
portGroup = document.createElementNS("http://www.w3.org/2000/svg","g");
portGroup.setAttribute("class","red-ui-flow-port-output");
var portPort;
if (d.type === "link out") {
portPort = document.createElementNS("http://www.w3.org/2000/svg","circle");
portPort.setAttribute("cx",11);
portPort.setAttribute("cy",5);
portPort.setAttribute("r",5);
portPort.setAttribute("class","red-ui-flow-port red-ui-flow-link-port");
} else {
portPort = document.createElementNS("http://www.w3.org/2000/svg","rect");
portPort.setAttribute("rx",3);
portPort.setAttribute("ry",3);
portPort.setAttribute("width",10);
portPort.setAttribute("height",10);
portPort.setAttribute("class","red-ui-flow-port");
}
portGroup.appendChild(portPort);
portGroup.__port__ = portPort;
portPort.__data__ = this.__data__;
portPort.__portType__ = PORT_TYPE_OUTPUT;
portPort.__portIndex__ = portIndex;
portPort.addEventListener("mousedown", portMouseDownProxy);
portPort.addEventListener("touchstart", portTouchStartProxy);
portPort.addEventListener("mouseup", portMouseUpProxy);
portPort.addEventListener("touchend", portTouchEndProxy);
portPort.addEventListener("mouseover", portMouseOverProxy);
portPort.addEventListener("mouseout", portMouseOutProxy);
this.appendChild(portGroup);
this.__outputs__.push(portGroup);
RED.hooks.trigger("viewAddPort",{node:d,el: this, port: portGroup, portType: "output", portIndex: portIndex})
} else {
portGroup = this.__outputs__[portIndex];
}
var x = d.w - 5;
var y = (d.h/2)-((numOutputs-1)/2)*13;
portGroup.setAttribute("transform","translate("+x+","+((y+13*portIndex)-5)+")")
}
if (d._def.icon) {
var icon = thisNode.select(".red-ui-flow-node-icon");
var faIcon = thisNode.select(".fa-lg");
var current_url;
if (!icon.empty()) {
current_url = icon.attr("xlink:href");
} else {
current_url = faIcon.attr("xlink:href");
}
var new_url = RED.utils.getNodeIcon(d._def,d);
if (new_url !== current_url) {
if (!icon.empty()) {
icon.remove();
} else {
faIcon.remove();
}
var iconGroup = thisNode.select(".red-ui-flow-node-icon-group");
createIconAttributes(new_url, iconGroup, d);
icon = thisNode.select(".red-ui-flow-node-icon");
faIcon = thisNode.select(".fa-lg");
}
icon.attr("y",function(){return (d.h-d3.select(this).attr("height"))/2;});
this.__iconShade__.setAttribute("height", d.h );
this.__iconShadeBorder__.setAttribute("d",
"M " + (((!d._def.align && d.inputs !== 0 && d.outputs === 0) || "right" === d._def.align) ? 0 : 30) + " 1 l 0 " + (d.h - 2)
);
faIcon.attr("y",(d.h+13)/2);
}
// this.__changeBadge__.setAttribute("transform", "translate("+(d.w-10)+", -2)");
// this.__changeBadge__.classList.toggle("hide", !(d.changed||d.moved));
// this.__errorBadge__.setAttribute("transform", "translate("+(d.w-10-((d.changed||d.moved)?14:0))+", -2)");
// this.__errorBadge__.classList.toggle("hide", d.valid);
thisNode.selectAll(".red-ui-flow-port-input").each(function(d,i) {
var port = d3.select(this);
port.attr("transform",function(d){return "translate(-5,"+((d.h/2)-5)+")";})
});
if (d._def.button) {
var buttonEnabled = isButtonEnabled(d);
this.__buttonGroup__.classList.toggle("red-ui-flow-node-button-disabled", !buttonEnabled);
var x = d._def.align == "right"?d.w-6:-25;
if (d._def.button.toggle && !d[d._def.button.toggle]) {
x = x - (d._def.align == "right"?8:-8);
}
this.__buttonGroup__.setAttribute("transform", "translate("+x+",2)");
if (d._def.button.toggle) {
this.__buttonGroupButton__.setAttribute("fill-opacity",d[d._def.button.toggle]?1:0.2)
this.__buttonGroupBackground__.setAttribute("fill-opacity",d[d._def.button.toggle]?1:0.2)
}
if (typeof d._def.button.visible === "function") { // is defined and a function...
if (d._def.button.visible.call(d) === false) {
this.__buttonGroup__.style.display = "none";
}
else {
this.__buttonGroup__.style.display = "inherit";
}
}
}
// thisNode.selectAll(".node_badge_group").attr("transform",function(d){return "translate("+(d.w-40)+","+(d.h+3)+")";});
// thisNode.selectAll("text.node_badge_label").text(function(d,i) {
// if (d._def.badge) {
// if (typeof d._def.badge == "function") {
// try {
// return d._def.badge.call(d);
// } catch(err) {
// console.log("Definition error: "+d.type+".badge",err);
// return "";
// }
// } else {
// return d._def.badge;
// }
// }
// return "";
// });
}
if (d.dirtyStatus) {
redrawStatus(d,this);
}
d.dirty = false;
if (d.g) {
if (!dirtyGroups[d.g]) {
var gg = d.g;
while (gg && !dirtyGroups[gg]) {
dirtyGroups[gg] = RED.nodes.group(gg);
gg = dirtyGroups[gg].g;
}
}
}
}
RED.hooks.trigger("viewRedrawNode",{node:d,el:this})
});
if (nodesReordered) {
node.sort(function(a,b) {
return a._index - b._index;
})
}
var link = linkLayer.selectAll(".red-ui-flow-link").data(
activeLinks,
function(d) {
return d.source.id+":"+d.sourcePort+":"+d.target.id+":"+d.target.i;
}
);
var linkEnter = link.enter().insert("g",".red-ui-flow-node").attr("class","red-ui-flow-link");
linkEnter.each(function(d,i) {
var l = d3.select(this);
var pathContents = document.createDocumentFragment();
d.added = true;
var pathBack = document.createElementNS("http://www.w3.org/2000/svg","path");
pathBack.__data__ = d;
pathBack.setAttribute("class","red-ui-flow-link-background red-ui-flow-link-path"+(d.link?" red-ui-flow-link-link":""));
this.__pathBack__ = pathBack;
pathContents.appendChild(pathBack);
d3.select(pathBack)
.on("mousedown",linkMouseDown)
.on("touchstart",linkTouchStart)
var pathOutline = document.createElementNS("http://www.w3.org/2000/svg","path");
pathOutline.__data__ = d;
pathOutline.setAttribute("class","red-ui-flow-link-outline red-ui-flow-link-path");
this.__pathOutline__ = pathOutline;
pathContents.appendChild(pathOutline);
var pathLine = document.createElementNS("http://www.w3.org/2000/svg","path");
pathLine.__data__ = d;
pathLine.setAttribute("class","red-ui-flow-link-line red-ui-flow-link-path"+
(d.link?" red-ui-flow-link-link":(activeSubflow?" red-ui-flow-subflow-link":"")));
this.__pathLine__ = pathLine;
pathContents.appendChild(pathLine);
l[0][0].appendChild(pathContents);
});
link.exit().remove();
link.each(function(d) {
var link = d3.select(this);
if (d.added || d===selected_link || d.selected || dirtyNodes[d.source.id] || dirtyNodes[d.target.id]) {
var numOutputs = d.source.outputs || 1;
var sourcePort = d.sourcePort || 0;
var y = -((numOutputs-1)/2)*13 +13*sourcePort;
d.x1 = d.source.x+d.source.w/2;
d.y1 = d.source.y+y;
d.x2 = d.target.x-d.target.w/2;
d.y2 = d.target.y;
// return "M "+d.x1+" "+d.y1+
// " C "+(d.x1+scale*node_width)+" "+(d.y1+scaleY*node_height)+" "+
// (d.x2-scale*node_width)+" "+(d.y2-scaleY*node_height)+" "+
// d.x2+" "+d.y2;
var path = generateLinkPath(d.x1,d.y1,d.x2,d.y2,1);
if (/NaN/.test(path)) {
path = ""
}
this.__pathBack__.setAttribute("d",path);
this.__pathOutline__.setAttribute("d",path);
this.__pathLine__.setAttribute("d",path);
this.__pathLine__.classList.toggle("red-ui-flow-node-disabled",!!(d.source.d || d.target.d));
this.__pathLine__.classList.toggle("red-ui-flow-subflow-link", !d.link && activeSubflow);
}
this.classList.toggle("red-ui-flow-link-selected", !!(d===selected_link||d.selected));
var connectedToUnknown = !!(d.target.type == "unknown" || d.source.type == "unknown");
this.classList.toggle("red-ui-flow-link-unknown",!!(d.target.type == "unknown" || d.source.type == "unknown"))
delete d.added;
})
var offLinks = linkLayer.selectAll(".red-ui-flow-link-off-flow").data(
activeFlowLinks,
function(d) {
return d.node.id+":"+d.refresh
}
);
var offLinksEnter = offLinks.enter().insert("g",".red-ui-flow-node").attr("class","red-ui-flow-link-off-flow");
offLinksEnter.each(function(d,i) {
var g = d3.select(this);
var s = 1;
var labelAnchor = "start";
if (d.node.type === "link in") {
s = -1;
labelAnchor = "end";
}
var stemLength = s*30;
var branchLength = s*20;
var l = g.append("svg:path").attr("class","red-ui-flow-link-link").attr("d","M 0 0 h "+stemLength);
var links = d.links;
var flows = Object.keys(links);
var tabOrder = RED.nodes.getWorkspaceOrder();
flows.sort(function(A,B) {
return tabOrder.indexOf(A) - tabOrder.indexOf(B);
});
var linkWidth = 10;
var h = node_height;
var y = -(flows.length-1)*h/2;
var linkGroups = g.selectAll(".red-ui-flow-link-group").data(flows);
var enterLinkGroups = linkGroups.enter().append("g").attr("class","red-ui-flow-link-group")
.on('mouseover', function() { if (mouse_mode !== 0) { return } d3.select(this).classed('red-ui-flow-link-group-active',true)})
.on('mouseout', function() {if (mouse_mode !== 0) { return } d3.select(this).classed('red-ui-flow-link-group-active',false)})
.on('mousedown', function() { d3.event.preventDefault(); d3.event.stopPropagation(); })
.on('mouseup', function(f) {
if (mouse_mode !== 0) {
return
}
d3.event.stopPropagation();
var targets = d.links[f];
RED.workspaces.show(f);
targets.forEach(function(n) {
n.selected = true;
n.dirty = true;
movingSet.add(n);
if (targets.length === 1) {
RED.view.reveal(n.id);
}
});
updateSelection();
redraw();
});
enterLinkGroups.each(function(f) {
var linkG = d3.select(this);
linkG.append("svg:path")
.attr("class","red-ui-flow-link-link")
.attr("d",
"M "+stemLength+" 0 "+
"C "+(stemLength+(1.7*branchLength))+" "+0+
" "+(stemLength+(0.1*branchLength))+" "+y+" "+
(stemLength+branchLength*1.5)+" "+y+" "
);
linkG.append("svg:path")
.attr("class","red-ui-flow-link-port")
.attr("d",
"M "+(stemLength+branchLength*1.5+s*(linkWidth+7))+" "+(y-12)+" "+
"h "+(-s*linkWidth)+" "+
"a 3 3 45 0 "+(s===1?"0":"1")+" "+(s*-3)+" 3 "+
"v 18 "+
"a 3 3 45 0 "+(s===1?"0":"1")+" "+(s*3)+" 3 "+
"h "+(s*linkWidth)
);
linkG.append("svg:path")
.attr("class","red-ui-flow-link-port")
.attr("d",
"M "+(stemLength+branchLength*1.5+s*(linkWidth+10))+" "+(y-12)+" "+
"h "+(s*(linkWidth*3))+" "+
"M "+(stemLength+branchLength*1.5+s*(linkWidth+10))+" "+(y+12)+" "+
"h "+(s*(linkWidth*3))
).style("stroke-dasharray","12 3 8 4 3");
linkG.append("rect").attr("class","red-ui-flow-port red-ui-flow-link-port")
.attr("x",stemLength+branchLength*1.5-4+(s*4))
.attr("y",y-4)
.attr("rx",2)
.attr("ry",2)
.attr("width",8)
.attr("height",8);
linkG.append("rect")
.attr("x",stemLength+branchLength*1.5-(s===-1?node_width:0))
.attr("y",y-12)
.attr("width",node_width)
.attr("height",24)
.style("stroke","none")
.style("fill","transparent")
var tab = RED.nodes.workspace(f);
var label;
if (tab) {
label = tab.label || tab.id;
}
linkG.append("svg:text")
.attr("class","red-ui-flow-port-label")
.attr("x",stemLength+branchLength*1.5+(s*15))
.attr("y",y+1)
.style("font-size","10px")
.style("text-anchor",labelAnchor)
.text(label);
y += h;
});
linkGroups.exit().remove();
});
offLinks.exit().remove();
offLinks = linkLayer.selectAll(".red-ui-flow-link-off-flow");
offLinks.each(function(d) {
var s = 1;
if (d.node.type === "link in") {
s = -1;
}
var link = d3.select(this);
link.attr("transform", function(d) { return "translate(" + (d.node.x+(s*d.node.w/2)) + "," + (d.node.y) + ")"; });
})
var group = groupLayer.selectAll(".red-ui-flow-group").data(activeGroups,function(d) { return d.id });
group.exit().each(function(d,i) {
document.getElementById("group_select_"+d.id).remove()
}).remove();
var groupEnter = group.enter().insert("svg:g").attr("class", "red-ui-flow-group")
var addedGroups = false;
groupEnter.each(function(d,i) {
addedGroups = true;
var g = d3.select(this);
g.attr("id",d.id);
var groupBorderRadius = 4;
var selectGroup = groupSelectLayer.append('g').attr("class", "red-ui-flow-group").attr("id","group_select_"+d.id);
selectGroup.append('rect').classed("red-ui-flow-group-outline-select",true)
.classed("red-ui-flow-group-outline-select-background",true)
.attr('rx',groupBorderRadius).attr('ry',groupBorderRadius)
.attr("x",-4)
.attr("y",-4);
selectGroup.append('rect').classed("red-ui-flow-group-outline-select",true)
.attr('rx',groupBorderRadius).attr('ry',groupBorderRadius)
.attr("x",-4)
.attr("y",-4)
selectGroup.on("mousedown", function() {groupMouseDown.call(g[0][0],d)});
selectGroup.on("mouseup", function() {groupMouseUp.call(g[0][0],d)});
selectGroup.on("touchstart", function() {groupMouseDown.call(g[0][0],d); d3.event.preventDefault();});
selectGroup.on("touchend", function() {groupMouseUp.call(g[0][0],d); d3.event.preventDefault();});
g.append('rect').classed("red-ui-flow-group-outline",true).attr('rx',0.5).attr('ry',0.5);
g.append('rect').classed("red-ui-flow-group-body",true)
.attr('rx',groupBorderRadius).attr('ry',groupBorderRadius).style({
"fill":d.fill||"none",
"stroke": d.stroke||"none",
})
g.on("mousedown",groupMouseDown).on("mouseup",groupMouseUp)
g.on("touchstart", function() {groupMouseDown.call(g[0][0],d); d3.event.preventDefault();});
g.on("touchend", function() {groupMouseUp.call(g[0][0],d); d3.event.preventDefault();});
g.append('svg:text').attr("class","red-ui-flow-group-label");
d.dirty = true;
});
if (addedGroups) {
group.sort(function(a,b) {
if (a._root === b._root) {
return a._depth - b._depth;
} else {
return a._index - b._index;
}
})
}
group[0].reverse();
var groupOpCount=0;
group.each(function(d,i) {
groupOpCount++
if (d.resize) {
d.minWidth = 0;
delete d.resize;
}
if (d.dirty || dirtyGroups[d.id]) {
var g = d3.select(this);
var recalculateLabelOffsets = false;
if (d.nodes.length > 0) {
// If the group was just moved, all of its contents was
// also moved - so no need to recalculate its bounding box
if (!d.groupMoved) {
var minX = Number.POSITIVE_INFINITY;
var minY = Number.POSITIVE_INFINITY;
var maxX = 0;
var maxY = 0;
var margin = 26;
d.nodes.forEach(function(n) {
groupOpCount++
if (n.type !== "group") {
minX = Math.min(minX,n.x-n.w/2-margin-((n._def.button && n._def.align!=="right")?20:0));
minY = Math.min(minY,n.y-n.h/2-margin);
maxX = Math.max(maxX,n.x+n.w/2+margin+((n._def.button && n._def.align=="right")?20:0));
maxY = Math.max(maxY,n.y+n.h/2+margin);
} else {
minX = Math.min(minX,n.x-margin)
minY = Math.min(minY,n.y-margin)
maxX = Math.max(maxX,n.x+n.w+margin)
maxY = Math.max(maxY,n.y+n.h+margin)
}
});
d.x = minX;
d.y = minY;
d.w = maxX - minX;
d.h = maxY - minY;
recalculateLabelOffsets = true;
// if set explicitly to false, this group has just been
// imported so needed this initial resize calculation.
// Now that's done, delete the flag so the normal
// logic kicks in.
if (d.groupMoved === false) {
delete d.groupMoved;
}
} else {
delete d.groupMoved;
}
} else {
d.w = 40;
d.h = 40;
recalculateLabelOffsets = true;
}
if (recalculateLabelOffsets) {
if (!d.minWidth) {
if (d.style.label && d.name) {
var labelParts = getLabelParts(d.name||"","red-ui-flow-group-label");
d.minWidth = labelParts.width + 8;
d.labels = labelParts.lines;
} else {
d.minWidth = 40;
d.labels = [];
}
}
d.w = Math.max(d.minWidth,d.w);
if (d.style.label && d.labels.length > 0) {
var labelPos = d.style["label-position"] || "nw";
var h = (d.labels.length-1) * 16;
if (labelPos[0] === "s") {
h += 8;
}
d.h += h;
if (labelPos[0] === "n") {
if (d.nodes.length > 0) {
d.y -= h;
}
}
}
}
g.attr("transform","translate("+d.x+","+d.y+")")
g.selectAll(".red-ui-flow-group-outline")
.attr("width",d.w)
.attr("height",d.h)
var selectGroup = document.getElementById("group_select_"+d.id);
selectGroup.setAttribute("transform","translate("+d.x+","+d.y+")");
if (d.hovered) {
selectGroup.classList.add("red-ui-flow-group-hovered")
} else {
selectGroup.classList.remove("red-ui-flow-group-hovered")
}
var selectGroupRect = selectGroup.children[0];
selectGroupRect.setAttribute("width",d.w+8)
selectGroupRect.setAttribute("height",d.h+8)
selectGroupRect.style.strokeOpacity = (d.active || d.selected || d.highlighted)?0.8:0;
selectGroupRect.style.strokeDasharray = (d.active)?"10 4":"";
selectGroupRect = selectGroup.children[1];
selectGroupRect.setAttribute("width",d.w+8)
selectGroupRect.setAttribute("height",d.h+8)
selectGroupRect.style.strokeOpacity = (d.active || d.selected || d.highlighted)?0.8:0;
selectGroupRect.style.strokeDasharray = (d.active)?"10 4":"";
if (d.highlighted) {
selectGroup.classList.add("red-ui-flow-node-highlighted");
} else {
selectGroup.classList.remove("red-ui-flow-node-highlighted");
}
g.selectAll(".red-ui-flow-group-body")
.attr("width",d.w)
.attr("height",d.h)
.style("stroke", d.style.stroke || "")
.style("stroke-opacity", d.style.hasOwnProperty('stroke-opacity') ? d.style['stroke-opacity'] : "")
.style("fill", d.style.fill || "")
.style("fill-opacity", d.style.hasOwnProperty('fill-opacity') ? d.style['fill-opacity'] : "")
var label = g.selectAll(".red-ui-flow-group-label");
label.classed("hide",!!!d.style.label)
if (d.style.label) {
var labelPos = d.style["label-position"] || "nw";
var labelX = 0;
var labelY = 0;
if (labelPos[0] === 'n') {
labelY = 0+15; // Allow for font-height
} else {
labelY = d.h - 5 -(d.labels.length -1) * 16;
}
if (labelPos[1] === 'w') {
labelX = 5;
labelAnchor = "start"
} else if (labelPos[1] === 'e') {
labelX = d.w-5;
labelAnchor = "end"
} else {
labelX = d.w/2;
labelAnchor = "middle"
}
if (d.style.hasOwnProperty('color')) {
label.style("fill",d.style.color)
} else {
label.style("fill",null)
}
label.attr("transform","translate("+labelX+","+labelY+")")
.attr("text-anchor",labelAnchor);
if (d.labels) {
var ypos = 0;
g.selectAll(".red-ui-flow-group-label-text").remove();
d.labels.forEach(function (name) {
label.append("tspan")
.classed("red-ui-flow-group-label-text", true)
.text(name)
.attr("x", 0)
.attr("y", ypos);
ypos += 16;
});
} else {
g.selectAll(".red-ui-flow-group-label-text").remove();
}
}
delete dirtyGroups[d.id];
delete d.dirty;
}
})
} else {
// JOINING - unselect any selected links
linkLayer.selectAll(".red-ui-flow-link-selected").data(
activeLinks,
function(d) {
return d.source.id+":"+d.sourcePort+":"+d.target.id+":"+d.target.i;
}
).classed("red-ui-flow-link-selected", false);
}
RED.view.navigator.refresh();
if (d3.event) {
d3.event.preventDefault();
}
}
function focusView() {
try {
// Workaround for browser unexpectedly scrolling iframe into full
// view - record the parent scroll position and restore it after
// setting the focus
var scrollX = window.parent.window.scrollX;
var scrollY = window.parent.window.scrollY;
chart.trigger("focus");
window.parent.window.scrollTo(scrollX,scrollY);
} catch(err) {
// In case we're iframed into a page of a different origin, just focus
// the view following the inevitable DOMException
chart.trigger("focus");
}
}
/**
* Imports a new collection of nodes from a JSON String.
*
* - all get new IDs assigned
* - all "selected"
* - attached to mouse for placing - "IMPORT_DRAGGING"
* @param {String/Array} newNodesObj nodes to import
* @param {Object} options options object
*
* Options:
* - addFlow - whether to import nodes to a new tab
* - touchImport - whether this is a touch import. If not, imported nodes are
* attachedto mouse for placing - "IMPORT_DRAGGING" state
*/
function importNodes(newNodesObj,options) {
options = options || {
addFlow: false,
touchImport: false,
generateIds: false
}
var addNewFlow = options.addFlow
var touchImport = options.touchImport;
if (mouse_mode === RED.state.SELECTING_NODE) {
return;
}
var nodesToImport;
if (typeof newNodesObj === "string") {
if (newNodesObj === "") {
return;
}
try {
nodesToImport = JSON.parse(newNodesObj);
} catch(err) {
var e = new Error(RED._("clipboard.invalidFlow",{message:err.message}));
e.code = "NODE_RED";
throw e;
}
} else {
nodesToImport = newNodesObj;
}
if (!$.isArray(nodesToImport)) {
nodesToImport = [nodesToImport];
}
try {
var activeSubflowChanged;
if (activeSubflow) {
activeSubflowChanged = activeSubflow.changed;
}
var result = RED.nodes.import(nodesToImport,{generateIds:options.generateIds, addFlow: addNewFlow, importMap: options.importMap});
if (result) {
var new_nodes = result.nodes;
var new_links = result.links;
var new_groups = result.groups;
var new_workspaces = result.workspaces;
var new_subflows = result.subflows;
var removedNodes = result.removedNodes;
var new_default_workspace = result.missingWorkspace;
if (addNewFlow && new_default_workspace) {
RED.workspaces.show(new_default_workspace.id);
}
var new_ms = new_nodes.filter(function(n) { return n.hasOwnProperty("x") && n.hasOwnProperty("y") && n.z == RED.workspaces.active() });
new_ms = new_ms.concat(new_groups.filter(function(g) { return g.z === RED.workspaces.active()}))
var new_node_ids = new_nodes.map(function(n){ n.changed = true; return n.id; });
clearSelection();
movingSet.clear();
movingSet.add(new_ms);
// TODO: pick a more sensible root node
if (movingSet.length() > 0) {
if (mouse_position == null) {
mouse_position = [0,0];
}
var dx = mouse_position[0];
var dy = mouse_position[1];
if (movingSet.length() > 0) {
var root_node = movingSet.get(0).n;
dx = root_node.x;
dy = root_node.y;
}
var minX = 0;
var minY = 0;
var i;
var node,group;
var l =movingSet.length();
for (i=0;i<l;i++) {
node = movingSet.get(i);
node.n.selected = true;
node.n.changed = true;
node.n.moved = true;
node.n.x -= dx - mouse_position[0];
node.n.y -= dy - mouse_position[1];
node.n.w = node_width;
node.n.h = node_height;
node.n.resize = true;
node.dx = node.n.x - mouse_position[0];
node.dy = node.n.y - mouse_position[1];
if (node.n.type === "group") {
node.n.groupMoved = false;
minX = Math.min(node.n.x-5,minX);
minY = Math.min(node.n.y-5,minY);
} else {
minX = Math.min(node.n.x-node_width/2-5,minX);
minY = Math.min(node.n.y-node_height/2-5,minY);
}
}
for (i=0;i<l;i++) {
node = movingSet.get(i);
node.n.x -= minX;
node.n.y -= minY;
node.dx -= minX;
node.dy -= minY;
if (node.n._def.onadd) {
try {
node.n._def.onadd.call(node.n);
} catch(err) {
console.log("Definition error: "+node.n.type+".onadd:",err);
}
}
}
if (!touchImport) {
mouse_mode = RED.state.IMPORT_DRAGGING;
spliceActive = false;
if (movingSet.length() === 1) {
node = movingSet.get(0);
spliceActive = node.n.hasOwnProperty("_def") &&
((node.n.hasOwnProperty("inputs") && node.n.inputs > 0) || (!node.n.hasOwnProperty("inputs") && node.n._def.inputs > 0)) &&
((node.n.hasOwnProperty("outputs") && node.n.outputs > 0) || (!node.n.hasOwnProperty("outputs") && node.n._def.outputs > 0))
}
}
}
var historyEvent = {
t:"add",
nodes:new_node_ids,
links:new_links,
groups:new_groups,
workspaces:new_workspaces,
subflows:new_subflows,
dirty:RED.nodes.dirty()
};
if (movingSet.length() === 0) {
RED.nodes.dirty(true);
}
if (activeSubflow) {
var subflowRefresh = RED.subflow.refresh(true);
if (subflowRefresh) {
historyEvent.subflow = {
id:activeSubflow.id,
changed: activeSubflowChanged,
instances: subflowRefresh.instances
}
}
}
if (removedNodes) {
var replaceEvent = {
t: "replace",
config: removedNodes
}
historyEvent = {
t:"multi",
events: [
replaceEvent,
historyEvent
]
}
}
RED.history.push(historyEvent);
updateActiveNodes();
redraw();
var counts = [];
var newNodeCount = 0;
var newConfigNodeCount = 0;
new_nodes.forEach(function(n) {
if (n.hasOwnProperty("x") && n.hasOwnProperty("y")) {
newNodeCount++;
} else {
newConfigNodeCount++;
}
})
var newGroupCount = new_groups.length;
if (new_workspaces.length > 0) {
counts.push(RED._("clipboard.flow",{count:new_workspaces.length}));
}
if (newNodeCount > 0) {
counts.push(RED._("clipboard.node",{count:newNodeCount}));
}
if (newGroupCount > 0) {
counts.push(RED._("clipboard.group",{count:newGroupCount}));
}
if (newConfigNodeCount > 0) {
counts.push(RED._("clipboard.configNode",{count:newConfigNodeCount}));
}
if (new_subflows.length > 0) {
counts.push(RED._("clipboard.subflow",{count:new_subflows.length}));
}
if (removedNodes && removedNodes.length > 0) {
counts.push(RED._("clipboard.replacedNodes",{count:removedNodes.length}));
}
if (counts.length > 0) {
var countList = "<ul><li>"+counts.join("</li><li>")+"</li></ul>";
RED.notify("<p>"+RED._("clipboard.nodesImported")+"</p>"+countList,{id:"clipboard"});
}
}
} catch(error) {
if (error.code === "import_conflict") {
// Pass this up for the called to resolve
throw error;
} else if (error.code != "NODE_RED") {
console.log(error.stack);
RED.notify(RED._("notification.error",{message:error.toString()}),"error");
} else {
RED.notify(RED._("notification.error",{message:error.message}),"error");
}
}
}
function toggleShowGrid(state) {
if (state) {
gridLayer.style("visibility","visible");
} else {
gridLayer.style("visibility","hidden");
}
}
function toggleSnapGrid(state) {
snapGrid = state;
redraw();
}
function toggleStatus(s) {
showStatus = s;
RED.nodes.eachNode(function(n) { n.dirtyStatus = true; n.dirty = true;});
//TODO: subscribe/unsubscribe here
redraw();
}
function setSelectedNodeState(isDisabled) {
if (mouse_mode === RED.state.SELECTING_NODE) {
return;
}
var workspaceSelection = RED.workspaces.selection();
var changed = false;
if (workspaceSelection.length > 0) {
// TODO: toggle workspace state
} else if (movingSet.length() > 0) {
var historyEvents = [];
for (var i=0;i<movingSet.length();i++) {
var node = movingSet.get(i).n;
if (node.type !== "group" && node.type !== "subflow") {
if (isDisabled != node.d) {
historyEvents.push({
t: "edit",
node: node,
changed: node.changed,
changes: {
d: node.d
}
});
if (isDisabled) {
node.d = true;
} else {
delete node.d;
}
node.dirty = true;
node.dirtyStatus = true;
node.changed = true;
RED.events.emit("nodes:change",node);
}
}
}
if (historyEvents.length > 0) {
RED.history.push({
t:"multi",
events: historyEvents,
dirty:RED.nodes.dirty()
})
RED.nodes.dirty(true)
}
}
RED.view.redraw();
}
function getSelection() {
var selection = {};
var allNodes = new Set();
if (movingSet.length() > 0) {
movingSet.forEach(function(n) {
if (n.n.type !== 'group') {
allNodes.add(n.n);
}
});
}
var selectedGroups = activeGroups.filter(function(g) { return g.selected && !g.active });
if (selectedGroups.length > 0) {
if (selectedGroups.length === 1 && selectedGroups[0].active) {
// Let nodes be nodes
} else {
selectedGroups.forEach(function(g) {
var groupNodes = RED.group.getNodes(g,true);
groupNodes.forEach(function(n) {
allNodes.delete(n);
});
allNodes.add(g);
});
}
}
if (allNodes.size > 0) {
selection.nodes = Array.from(allNodes);
}
if (selected_link != null) {
selection.link = selected_link;
}
return selection;
}
function calculateNodeDimensions(node) {
var result = [node_width,node_height];
try {
var isLink = (node.type === "link in" || node.type === "link out")
var hideLabel = node.hasOwnProperty('l')?!node.l : isLink;
var label = RED.utils.getNodeLabel(node, node.type);
var labelParts = getLabelParts(label, "red-ui-flow-node-label");
if (hideLabel) {
result[1] = Math.max(node_height,(node.outputs || 0) * 15);
} else {
result[1] = Math.max(6+24*labelParts.lines.length,(node.outputs || 0) * 15, 30);
}
if (hideLabel) {
result[0] = node_height;
} else {
result[0] = Math.max(node_width,20*(Math.ceil((labelParts.width+50+(node._def.inputs>0?7:0))/20)) );
}
}catch(err) {
console.log("Error",node);
}
return result;
}
return {
init: init,
state:function(state) {
if (state == null) {
return mouse_mode
} else {
mouse_mode = state;
}
},
updateActive: updateActiveNodes,
redraw: function(updateActive, syncRedraw) {
if (updateActive) {
updateActiveNodes();
updateSelection();
}
if (syncRedraw) {
_redraw();
} else {
redraw();
}
},
focus: focusView,
importNodes: importNodes,
calculateTextWidth: calculateTextWidth,
select: function(selection) {
if (typeof selection !== "undefined") {
clearSelection();
if (typeof selection == "string") {
var selectedNode = RED.nodes.node(selection);
if (selectedNode) {
selectedNode.selected = true;
selectedNode.dirty = true;
movingSet.clear();
movingSet.add(selectedNode);
}
} else if (selection) {
if (selection.nodes) {
updateActiveNodes();
movingSet.clear();
// TODO: this selection group span groups
// - if all in one group -> activate the group
// - if in multiple groups (or group/no-group)
// -> select the first 'set' of things in the same group/no-group
selection.nodes.forEach(function(n) {
if (n.type !== "group") {
n.selected = true;
n.dirty = true;
movingSet.add(n);
} else {
selectGroup(n,true);
}
})
}
}
}
updateSelection();
redraw(true);
},
selection: getSelection,
scale: function() {
return scaleFactor;
},
getLinksAtPoint: function(x,y) {
// x,y must be in SVG co-ordinate space
// if they come from a node.x/y, they will need to be scaled using
// scaleFactor first.
var result = [];
var links = outer.selectAll(".red-ui-flow-link-background")[0];
for (var i=0;i<links.length;i++) {
var bb = links[i].getBBox();
if (x >= bb.x && y >= bb.y && x <= bb.x+bb.width && y <= bb.y+bb.height) {
result.push(links[i])
}
}
return result;
},
getGroupAtPoint: getGroupAt,
getActiveGroup: function() { return activeGroup },
reveal: function(id,triggerHighlight) {
if (RED.nodes.workspace(id) || RED.nodes.subflow(id)) {
RED.workspaces.show(id);
} else {
var node = RED.nodes.node(id) || RED.nodes.group(id);
if (node) {
if (node.z && (node.type === "group" || node._def.category !== 'config')) {
node.dirty = true;
RED.workspaces.show(node.z);
var screenSize = [chart.width()/scaleFactor,chart.height()/scaleFactor];
var scrollPos = [chart.scrollLeft()/scaleFactor,chart.scrollTop()/scaleFactor];
var cx = node.x;
var cy = node.y;
if (node.type === "group") {
cx += node.w/2;
cy += node.h/2;
}
if (cx < scrollPos[0] || cy < scrollPos[1] || cx > screenSize[0]+scrollPos[0] || cy > screenSize[1]+scrollPos[1]) {
var deltaX = '-='+(((scrollPos[0] - cx) + screenSize[0]/2)*scaleFactor);
var deltaY = '-='+(((scrollPos[1] - cy) + screenSize[1]/2)*scaleFactor);
chart.animate({
scrollLeft: deltaX,
scrollTop: deltaY
},200);
}
if (triggerHighlight !== false) {
node.highlighted = true;
if (!node._flashing) {
node._flashing = true;
var flash = 22;
var flashFunc = function() {
flash--;
node.dirty = true;
if (flash >= 0) {
node.highlighted = !node.highlighted;
setTimeout(flashFunc,100);
} else {
node.highlighted = false;
delete node._flashing;
}
RED.view.redraw();
}
flashFunc();
}
}
} else if (node._def.category === 'config') {
RED.sidebar.config.show(id);
}
}
}
},
gridSize: function(v) {
if (v === undefined) {
return gridSize;
} else {
gridSize = Math.max(5,v);
updateGrid();
}
},
getActiveNodes: function() {
return activeNodes;
},
getSubflowPorts: function() {
var result = [];
if (activeSubflow) {
var subflowOutputs = nodeLayer.selectAll(".red-ui-flow-subflow-port-output").data(activeSubflow.out,function(d,i){ return d.id;});
subflowOutputs.each(function(d,i) { result.push(d) })
var subflowInputs = nodeLayer.selectAll(".red-ui-flow-subflow-port-input").data(activeSubflow.in,function(d,i){ return d.id;});
subflowInputs.each(function(d,i) { result.push(d) })
var subflowStatus = nodeLayer.selectAll(".red-ui-flow-subflow-port-status").data(activeSubflow.status?[activeSubflow.status]:[],function(d,i){ return d.id;});
subflowStatus.each(function(d,i) { result.push(d) })
}
return result;
},
selectNodes: function(options) {
$("#red-ui-workspace-tabs-shade").show();
$("#red-ui-palette-shade").show();
$("#red-ui-sidebar-shade").show();
$("#red-ui-header-shade").show();
$("#red-ui-workspace").addClass("red-ui-workspace-select-mode");
mouse_mode = RED.state.SELECTING_NODE;
clearSelection();
if (options.selected) {
options.selected.forEach(function(id) {
var n = RED.nodes.node(id);
if (n) {
n.selected = true;
n.dirty = true;
movingSet.add(n);
}
})
}
redraw();
selectNodesOptions = options||{};
var closeNotification = function() {
clearSelection();
$("#red-ui-workspace-tabs-shade").hide();
$("#red-ui-palette-shade").hide();
$("#red-ui-sidebar-shade").hide();
$("#red-ui-header-shade").hide();
$("#red-ui-workspace").removeClass("red-ui-workspace-select-mode");
resetMouseVars();
notification.close();
}
selectNodesOptions.done = function(selection) {
closeNotification();
if (selectNodesOptions.onselect) {
selectNodesOptions.onselect(selection);
}
}
var buttons = [{
text: RED._("common.label.cancel"),
click: function(e) {
closeNotification();
if (selectNodesOptions.oncancel) {
selectNodesOptions.oncancel();
}
}
}];
if (!selectNodesOptions.single) {
buttons.push({
text: RED._("common.label.done"),
class: "primary",
click: function(e) {
var selection = movingSet.nodes()
selectNodesOptions.done(selection);
}
});
}
var notification = RED.notify(selectNodesOptions.prompt || RED._("workspace.selectNodes"),{
modal: false,
fixed: true,
type: "compact",
buttons: buttons
})
},
scroll: function(x,y) {
chart.scrollLeft(chart.scrollLeft()+x);
chart.scrollTop(chart.scrollTop()+y)
},
clickNodeButton: function(n) {
if (n._def.button) {
nodeButtonClicked(n);
}
},
clipboard: function() {
return clipboard
},
redrawStatus: redrawStatus,
showQuickAddDialog:showQuickAddDialog,
calculateNodeDimensions: calculateNodeDimensions,
getElementPosition:getElementPosition,
showTooltip:showTooltip
};
})();
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