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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.
**/
RED.history = (function() {
var undoHistory = [];
var redoHistory = [];
function undoEvent(ev) {
var i;
var len;
var node;
var group;
var subflow;
var modifiedTabs = {};
var inverseEv;
if (ev) {
if (ev.t == 'multi') {
inverseEv = {
t: 'multi',
events: []
};
len = ev.events.length;
for (i=len-1;i>=0;i--) {
var r = undoEvent(ev.events[i]);
inverseEv.events.push(r);
}
} else if (ev.t == 'replace') {
if (ev.complete) {
// This is a replace of everything. We can short-cut
// the logic by clearing everyting first, then importing
// the ev.config.
// Used by RED.diff.mergeDiff
inverseEv = {
t: 'replace',
config: RED.nodes.createCompleteNodeSet(),
changed: {},
rev: RED.nodes.version()
};
RED.nodes.clear();
var imported = RED.nodes.import(ev.config);
imported.nodes.forEach(function(n) {
if (ev.changed[n.id]) {
n.changed = true;
inverseEv.changed[n.id] = true;
}
})
RED.nodes.version(ev.rev);
} else {
var importMap = {};
ev.config.forEach(function(n) {
importMap[n.id] = "replace";
})
var importedResult = RED.nodes.import(ev.config,{importMap: importMap})
inverseEv = {
t: 'replace',
config: importedResult.removedNodes,
dirty: RED.nodes.dirty()
}
}
} else if (ev.t == 'add') {
inverseEv = {
t: "delete",
dirty: RED.nodes.dirty()
};
if (ev.nodes) {
inverseEv.nodes = [];
for (i=0;i<ev.nodes.length;i++) {
node = RED.nodes.node(ev.nodes[i]);
if (node.z) {
modifiedTabs[node.z] = true;
}
inverseEv.nodes.push(node);
RED.nodes.remove(ev.nodes[i]);
if (node.g) {
var group = RED.nodes.group(node.g);
var index = group.nodes.indexOf(node);
if (index !== -1) {
group.nodes.splice(index,1);
RED.group.markDirty(group);
}
}
}
}
if (ev.links) {
inverseEv.links = [];
for (i=0;i<ev.links.length;i++) {
inverseEv.links.push(ev.links[i]);
RED.nodes.removeLink(ev.links[i]);
}
}
if (ev.groups) {
inverseEv.groups = [];
for (i = ev.groups.length - 1;i>=0;i--) {
group = ev.groups[i];
modifiedTabs[group.z] = true;
// The order of groups is important
// - to invert the action, the order is reversed
inverseEv.groups.unshift(group);
RED.nodes.removeGroup(group);
}
}
if (ev.workspaces) {
inverseEv.workspaces = [];
for (i=0;i<ev.workspaces.length;i++) {
var workspaceOrder = RED.nodes.getWorkspaceOrder();
ev.workspaces[i]._index = workspaceOrder.indexOf(ev.workspaces[i].id);
inverseEv.workspaces.push(ev.workspaces[i]);
RED.nodes.removeWorkspace(ev.workspaces[i].id);
RED.workspaces.remove(ev.workspaces[i]);
}
}
if (ev.subflows) {
inverseEv.subflows = [];
for (i=0;i<ev.subflows.length;i++) {
inverseEv.subflows.push(ev.subflows[i]);
RED.nodes.removeSubflow(ev.subflows[i]);
RED.workspaces.remove(ev.subflows[i]);
}
}
if (ev.subflow) {
inverseEv.subflow = {};
if (ev.subflow.instances) {
inverseEv.subflow.instances = [];
ev.subflow.instances.forEach(function(n) {
inverseEv.subflow.instances.push(n);
var node = RED.nodes.node(n.id);
if (node) {
node.changed = n.changed;
node.dirty = true;
}
});
}
if (ev.subflow.hasOwnProperty('changed')) {
subflow = RED.nodes.subflow(ev.subflow.id);
if (subflow) {
subflow.changed = ev.subflow.changed;
}
}
}
if (ev.removedLinks) {
inverseEv.createdLinks = [];
for (i=0;i<ev.removedLinks.length;i++) {
inverseEv.createdLinks.push(ev.removedLinks[i]);
RED.nodes.addLink(ev.removedLinks[i]);
}
}
} else if (ev.t == "delete") {
inverseEv = {
t: "add",
dirty: RED.nodes.dirty()
};
if (ev.workspaces) {
inverseEv.workspaces = [];
for (i=0;i<ev.workspaces.length;i++) {
inverseEv.workspaces.push(ev.workspaces[i]);
RED.nodes.addWorkspace(ev.workspaces[i],ev.workspaces[i]._index);
RED.workspaces.add(ev.workspaces[i],undefined,ev.workspaces[i]._index);
delete ev.workspaces[i]._index;
}
}
if (ev.subflows) {
inverseEv.subflows = [];
for (i=0;i<ev.subflows.length;i++) {
inverseEv.subflows.push(ev.subflows[i]);
RED.nodes.addSubflow(ev.subflows[i]);
}
}
if (ev.subflowInputs && ev.subflowInputs.length > 0) {
subflow = RED.nodes.subflow(ev.subflowInputs[0].z);
subflow.in.push(ev.subflowInputs[0]);
subflow.in[0].dirty = true;
}
if (ev.subflowOutputs && ev.subflowOutputs.length > 0) {
subflow = RED.nodes.subflow(ev.subflowOutputs[0].z);
ev.subflowOutputs.sort(function(a,b) { return a.i-b.i});
for (i=0;i<ev.subflowOutputs.length;i++) {
var output = ev.subflowOutputs[i];
subflow.out.splice(output.i,0,output);
for (var j=output.i+1;j<subflow.out.length;j++) {
subflow.out[j].i++;
subflow.out[j].dirty = true;
}
RED.nodes.eachLink(function(l) {
if (l.source.type == "subflow:"+subflow.id) {
if (l.sourcePort >= output.i) {
l.sourcePort++;
}
}
});
}
}
if (ev.subflow) {
inverseEv.subflow = {};
if (ev.subflow.hasOwnProperty('instances')) {
inverseEv.subflow.instances = [];
ev.subflow.instances.forEach(function(n) {
inverseEv.subflow.instances.push(n);
var node = RED.nodes.node(n.id);
if (node) {
node.changed = n.changed;
node.dirty = true;
}
});
}
if (ev.subflow.hasOwnProperty('status')) {
subflow = RED.nodes.subflow(ev.subflow.id);
subflow.status = ev.subflow.status;
}
}
if (subflow) {
RED.nodes.filterNodes({type:"subflow:"+subflow.id}).forEach(function(n) {
n.inputs = subflow.in.length;
n.outputs = subflow.out.length;
n.resize = true;
n.dirty = true;
});
}
if (ev.groups) {
inverseEv.groups = [];
var groupsToAdd = {};
ev.groups.forEach(function(g) { groupsToAdd[g.id] = g; });
for (i = ev.groups.length - 1;i>=0;i--) {
RED.nodes.addGroup(ev.groups[i])
modifiedTabs[ev.groups[i].z] = true;
// The order of groups is important
// - to invert the action, the order is reversed
inverseEv.groups.unshift(ev.groups[i]);
if (ev.groups[i].g) {
if (!groupsToAdd[ev.groups[i].g]) {
group = RED.nodes.group(ev.groups[i].g);
} else {
group = groupsToAdd[ev.groups[i].g];
}
if (group.nodes.indexOf(ev.groups[i]) === -1) {
group.nodes.push(ev.groups[i]);
}
RED.group.markDirty(ev.groups[i])
}
}
}
if (ev.nodes) {
inverseEv.nodes = [];
for (i=0;i<ev.nodes.length;i++) {
RED.nodes.add(ev.nodes[i]);
modifiedTabs[ev.nodes[i].z] = true;
inverseEv.nodes.push(ev.nodes[i].id);
if (ev.nodes[i].g) {
group = RED.nodes.group(ev.nodes[i].g);
if (group.nodes.indexOf(ev.nodes[i]) === -1) {
group.nodes.push(ev.nodes[i]);
}
RED.group.markDirty(group)
}
}
}
if (ev.links) {
inverseEv.links = [];
for (i=0;i<ev.links.length;i++) {
RED.nodes.addLink(ev.links[i]);
inverseEv.links.push(ev.links[i]);
}
}
if (ev.createdLinks) {
inverseEv.removedLinks = [];
for (i=0;i<ev.createdLinks.length;i++) {
inverseEv.removedLinks.push(ev.createdLinks[i]);
RED.nodes.removeLink(ev.createdLinks[i]);
}
}
if (ev.changes) {
for (i in ev.changes) {
if (ev.changes.hasOwnProperty(i)) {
node = RED.nodes.node(i);
if (node) {
for (var d in ev.changes[i]) {
if (ev.changes[i].hasOwnProperty(d)) {
node[d] = ev.changes[i][d];
}
}
node.dirty = true;
}
RED.events.emit("nodes:change",node);
}
}
}
if (subflow) {
RED.events.emit("subflows:change", subflow);
}
} else if (ev.t == "move") {
inverseEv = {
t: 'move',
nodes: [],
dirty: RED.nodes.dirty()
};
for (i=0;i<ev.nodes.length;i++) {
var n = ev.nodes[i];
var rn = {n: n.n, ox: n.n.x, oy: n.n.y, dirty: true, moved: n.n.moved};
inverseEv.nodes.push(rn);
n.n.x = n.ox;
n.n.y = n.oy;
n.n.dirty = true;
n.n.moved = n.moved;
}
// A move could have caused a link splice
if (ev.links) {
inverseEv.removedLinks = [];
for (i=0;i<ev.links.length;i++) {
inverseEv.removedLinks.push(ev.links[i]);
RED.nodes.removeLink(ev.links[i]);
}
}
if (ev.removedLinks) {
inverseEv.links = [];
for (i=0;i<ev.removedLinks.length;i++) {
inverseEv.links.push(ev.removedLinks[i]);
RED.nodes.addLink(ev.removedLinks[i]);
}
}
if (ev.addToGroup) {
RED.group.removeFromGroup(ev.addToGroup,ev.nodes.map(function(n) { return n.n }),false);
inverseEv.removeFromGroup = ev.addToGroup;
} else if (ev.removeFromGroup) {
RED.group.addToGroup(ev.removeFromGroup,ev.nodes.map(function(n) { return n.n }));
inverseEv.addToGroup = ev.removeFromGroup;
}
} else if (ev.t == "edit") {
inverseEv = {
t: "edit",
changes: {},
changed: ev.node.changed,
dirty: RED.nodes.dirty()
};
inverseEv.node = ev.node;
for (i in ev.changes) {
if (ev.changes.hasOwnProperty(i)) {
inverseEv.changes[i] = ev.node[i];
if (ev.node._def.defaults && ev.node._def.defaults[i] && ev.node._def.defaults[i].type) {
// This property is a reference to another node or nodes.
var nodeList = ev.node[i];
if (!Array.isArray(nodeList)) {
nodeList = [nodeList];
}
nodeList.forEach(function(id) {
var currentConfigNode = RED.nodes.node(id);
if (currentConfigNode && currentConfigNode._def.category === "config") {
currentConfigNode.users.splice(currentConfigNode.users.indexOf(ev.node),1);
RED.events.emit("nodes:change",currentConfigNode);
}
});
nodeList = ev.changes[i];
if (!Array.isArray(nodeList)) {
nodeList = [nodeList];
}
nodeList.forEach(function(id) {
var newConfigNode = RED.nodes.node(id);
if (newConfigNode && newConfigNode._def.category === "config") {
newConfigNode.users.push(ev.node);
RED.events.emit("nodes:change",newConfigNode);
}
});
}
ev.node[i] = ev.changes[i];
}
}
var eventType;
switch(ev.node.type) {
case 'tab': eventType = "flows"; break;
case 'group': eventType = "groups"; break;
case 'subflow': eventType = "subflows"; break;
default: eventType = "nodes"; break;
}
eventType += ":change";
RED.events.emit(eventType,ev.node);
if (ev.node.type === 'tab' && ev.changes.hasOwnProperty('disabled')) {
$("#red-ui-tab-"+(ev.node.id.replace(".","-"))).toggleClass('red-ui-workspace-disabled',!!ev.node.disabled);
$("#red-ui-workspace").toggleClass("red-ui-workspace-disabled",!!ev.node.disabled);
}
if (ev.subflow) {
inverseEv.subflow = {};
if (ev.subflow.hasOwnProperty('inputCount')) {
inverseEv.subflow.inputCount = ev.node.in.length;
if (ev.node.in.length > ev.subflow.inputCount) {
inverseEv.subflow.inputs = ev.node.in.slice(ev.subflow.inputCount);
ev.node.in.splice(ev.subflow.inputCount);
} else if (ev.subflow.inputs.length > 0) {
ev.node.in = ev.node.in.concat(ev.subflow.inputs);
}
}
if (ev.subflow.hasOwnProperty('outputCount')) {
inverseEv.subflow.outputCount = ev.node.out.length;
if (ev.node.out.length > ev.subflow.outputCount) {
inverseEv.subflow.outputs = ev.node.out.slice(ev.subflow.outputCount);
ev.node.out.splice(ev.subflow.outputCount);
} else if (ev.subflow.outputs.length > 0) {
ev.node.out = ev.node.out.concat(ev.subflow.outputs);
}
}
if (ev.subflow.hasOwnProperty('instances')) {
inverseEv.subflow.instances = [];
ev.subflow.instances.forEach(function(n) {
inverseEv.subflow.instances.push(n);
var node = RED.nodes.node(n.id);
if (node) {
node.changed = n.changed;
node.dirty = true;
}
});
}
if (ev.subflow.hasOwnProperty('status')) {
if (ev.subflow.status) {
delete ev.node.status;
}
}
RED.editor.validateNode(ev.node);
RED.nodes.filterNodes({type:"subflow:"+ev.node.id}).forEach(function(n) {
n.inputs = ev.node.in.length;
n.outputs = ev.node.out.length;
RED.editor.updateNodeProperties(n);
RED.editor.validateNode(n);
});
} else {
var outputMap;
if (ev.outputMap) {
outputMap = {};
inverseEv.outputMap = {};
for (var port in ev.outputMap) {
if (ev.outputMap.hasOwnProperty(port) && ev.outputMap[port] !== "-1") {
outputMap[ev.outputMap[port]] = port;
inverseEv.outputMap[ev.outputMap[port]] = port;
}
}
}
ev.node.__outputs = inverseEv.changes.outputs;
RED.editor.updateNodeProperties(ev.node,outputMap);
RED.editor.validateNode(ev.node);
}
if (ev.links) {
inverseEv.createdLinks = [];
for (i=0;i<ev.links.length;i++) {
RED.nodes.addLink(ev.links[i]);
inverseEv.createdLinks.push(ev.links[i]);
}
}
if (ev.createdLinks) {
inverseEv.links = [];
for (i=0;i<ev.createdLinks.length;i++) {
RED.nodes.removeLink(ev.createdLinks[i]);
inverseEv.links.push(ev.createdLinks[i]);
}
}
ev.node.dirty = true;
ev.node.changed = ev.changed;
} else if (ev.t == "createSubflow") {
inverseEv = {
t: "deleteSubflow",
activeWorkspace: ev.activeWorkspace,
dirty: RED.nodes.dirty()
};
if (ev.nodes) {
inverseEv.movedNodes = [];
var z = ev.activeWorkspace;
var fullNodeList = RED.nodes.filterNodes({z:ev.subflow.subflow.id});
fullNodeList = fullNodeList.concat(RED.nodes.groups(ev.subflow.subflow.id))
fullNodeList.forEach(function(n) {
n.x += ev.subflow.offsetX;
n.y += ev.subflow.offsetY;
n.dirty = true;
inverseEv.movedNodes.push(n.id);
RED.nodes.moveNodeToTab(n, z);
});
inverseEv.subflows = [];
for (i=0;i<ev.nodes.length;i++) {
inverseEv.subflows.push(RED.nodes.node(ev.nodes[i]));
RED.nodes.remove(ev.nodes[i]);
}
}
if (ev.links) {
inverseEv.links = [];
for (i=0;i<ev.links.length;i++) {
inverseEv.links.push(ev.links[i]);
RED.nodes.removeLink(ev.links[i]);
}
}
inverseEv.subflow = ev.subflow;
RED.nodes.removeSubflow(ev.subflow.subflow);
RED.workspaces.remove(ev.subflow.subflow);
if (ev.removedLinks) {
inverseEv.createdLinks = [];
for (i=0;i<ev.removedLinks.length;i++) {
inverseEv.createdLinks.push(ev.removedLinks[i]);
RED.nodes.addLink(ev.removedLinks[i]);
}
}
} else if (ev.t == "deleteSubflow") {
inverseEv = {
t: "createSubflow",
activeWorkspace: ev.activeWorkspace,
dirty: RED.nodes.dirty(),
};
if (ev.subflow) {
RED.nodes.addSubflow(ev.subflow.subflow);
inverseEv.subflow = ev.subflow;
if (ev.subflow.subflow.g) {
RED.group.addToGroup(RED.nodes.group(ev.subflow.subflow.g),ev.subflow.subflow);
}
}
if (ev.subflows) {
inverseEv.nodes = [];
for (i=0;i<ev.subflows.length;i++) {
RED.nodes.add(ev.subflows[i]);
inverseEv.nodes.push(ev.subflows[i].id);
}
}
if (ev.movedNodes) {
ev.movedNodes.forEach(function(nid) {
nn = RED.nodes.node(nid);
if (!nn) {
nn = RED.nodes.group(nid);
}
nn.x -= ev.subflow.offsetX;
nn.y -= ev.subflow.offsetY;
nn.dirty = true;
RED.nodes.moveNodeToTab(nn, ev.subflow.subflow.id);
});
}
if (ev.links) {
inverseEv.links = [];
for (i=0;i<ev.links.length;i++) {
inverseEv.links.push(ev.links[i]);
RED.nodes.addLink(ev.links[i]);
}
}
if (ev.createdLinks) {
inverseEv.removedLinks = [];
for (i=0;i<ev.createdLinks.length;i++) {
inverseEv.removedLinks.push(ev.createdLinks[i]);
RED.nodes.removeLink(ev.createdLinks[i]);
}
}
} else if (ev.t == "reorder") {
inverseEv = {
t: 'reorder',
dirty: RED.nodes.dirty()
};
if (ev.workspaces) {
inverseEv.workspaces = {
from: ev.workspaces.to,
to: ev.workspaces.from
}
RED.workspaces.order(ev.workspaces.from);
}
if (ev.nodes) {
inverseEv.nodes = {
z: ev.nodes.z,
from: ev.nodes.to,
to: ev.nodes.from
}
RED.nodes.setNodeOrder(ev.nodes.z,ev.nodes.from);
}
} else if (ev.t == "createGroup") {
inverseEv = {
t: "ungroup",
dirty: RED.nodes.dirty(),
groups: []
}
if (ev.groups) {
for (i=0;i<ev.groups.length;i++) {
inverseEv.groups.push(ev.groups[i]);
RED.group.ungroup(ev.groups[i]);
}
}
} else if (ev.t == "ungroup") {
inverseEv = {
t: "createGroup",
dirty: RED.nodes.dirty(),
groups: []
}
if (ev.groups) {
for (i=0;i<ev.groups.length;i++) {
inverseEv.groups.push(ev.groups[i]);
var nodes = ev.groups[i].nodes.slice();
ev.groups[i].nodes = [];
RED.nodes.addGroup(ev.groups[i]);
RED.group.addToGroup(ev.groups[i],nodes);
}
}
} else if (ev.t == "addToGroup") {
inverseEv = {
t: "removeFromGroup",
dirty: RED.nodes.dirty(),
group: ev.group,
nodes: ev.nodes,
reparent: ev.reparent
}
if (ev.nodes) {
RED.group.removeFromGroup(ev.group,ev.nodes,(ev.hasOwnProperty('reparent')&&ev.hasOwnProperty('reparent')!==undefined)?ev.reparent:true);
}
} else if (ev.t == "removeFromGroup") {
inverseEv = {
t: "addToGroup",
dirty: RED.nodes.dirty(),
group: ev.group,
nodes: ev.nodes,
reparent: ev.reparent
}
if (ev.nodes) {
RED.group.addToGroup(ev.group,ev.nodes);
}
}
if(ev.callback && typeof ev.callback === 'function') {
inverseEv.callback = ev.callback;
ev.callback(ev);
}
Object.keys(modifiedTabs).forEach(function(id) {
var subflow = RED.nodes.subflow(id);
if (subflow) {
RED.editor.validateNode(subflow);
}
});
RED.nodes.dirty(ev.dirty);
RED.view.updateActive();
RED.view.select(null);
RED.workspaces.refresh();
RED.sidebar.config.refresh();
RED.subflow.refresh();
return inverseEv;
}
}
return {
//TODO: this function is a placeholder until there is a 'save' event that can be listened to
markAllDirty: function() {
for (var i=0;i<undoHistory.length;i++) {
undoHistory[i].dirty = true;
}
},
list: function() {
return undoHistory;
},
listRedo: function() {
return redoHistory;
},
depth: function() {
return undoHistory.length;
},
push: function(ev) {
undoHistory.push(ev);
redoHistory = [];
RED.menu.setDisabled("menu-item-edit-undo", false);
RED.menu.setDisabled("menu-item-edit-redo", true);
},
pop: function() {
var ev = undoHistory.pop();
var rev = undoEvent(ev);
if (rev) {
redoHistory.push(rev);
}
RED.menu.setDisabled("menu-item-edit-undo", undoHistory.length === 0);
RED.menu.setDisabled("menu-item-edit-redo", redoHistory.length === 0);
},
peek: function() {
return undoHistory[undoHistory.length-1];
},
clear: function() {
undoHistory = [];
redoHistory = [];
RED.menu.setDisabled("menu-item-edit-undo", true);
RED.menu.setDisabled("menu-item-edit-redo", true);
},
redo: function() {
var ev = redoHistory.pop();
if (ev) {
var uev = undoEvent(ev);
if (uev) {
undoHistory.push(uev);
}
}
RED.menu.setDisabled("menu-item-edit-undo", undoHistory.length === 0);
RED.menu.setDisabled("menu-item-edit-redo", redoHistory.length === 0);
}
}
})();
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