| /* |
| Copyright (c) 2004-2006, The Dojo Foundation |
| All Rights Reserved. |
| |
| Licensed under the Academic Free License version 2.1 or above OR the |
| modified BSD license. For more information on Dojo licensing, see: |
| |
| http://dojotoolkit.org/community/licensing.shtml |
| */ |
| |
| |
| |
| dojo.provide("dojo.widget.TreeSelector"); |
| dojo.require("dojo.widget.HtmlWidget"); |
| dojo.widget.defineWidget("dojo.widget.TreeSelector", dojo.widget.HtmlWidget, function () { |
| this.eventNames = {}; |
| this.listenedTrees = []; |
| }, {widgetType:"TreeSelector", selectedNode:null, dieWithTree:false, eventNamesDefault:{select:"select", destroy:"destroy", deselect:"deselect", dblselect:"dblselect"}, initialize:function () { |
| for (var name in this.eventNamesDefault) { |
| if (dojo.lang.isUndefined(this.eventNames[name])) { |
| this.eventNames[name] = this.widgetId + "/" + this.eventNamesDefault[name]; |
| } |
| } |
| }, destroy:function () { |
| dojo.event.topic.publish(this.eventNames.destroy, {source:this}); |
| return dojo.widget.HtmlWidget.prototype.destroy.apply(this, arguments); |
| }, listenTree:function (tree) { |
| dojo.event.topic.subscribe(tree.eventNames.titleClick, this, "select"); |
| dojo.event.topic.subscribe(tree.eventNames.iconClick, this, "select"); |
| dojo.event.topic.subscribe(tree.eventNames.collapse, this, "onCollapse"); |
| dojo.event.topic.subscribe(tree.eventNames.moveFrom, this, "onMoveFrom"); |
| dojo.event.topic.subscribe(tree.eventNames.removeNode, this, "onRemoveNode"); |
| dojo.event.topic.subscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy"); |
| this.listenedTrees.push(tree); |
| }, unlistenTree:function (tree) { |
| dojo.event.topic.unsubscribe(tree.eventNames.titleClick, this, "select"); |
| dojo.event.topic.unsubscribe(tree.eventNames.iconClick, this, "select"); |
| dojo.event.topic.unsubscribe(tree.eventNames.collapse, this, "onCollapse"); |
| dojo.event.topic.unsubscribe(tree.eventNames.moveFrom, this, "onMoveFrom"); |
| dojo.event.topic.unsubscribe(tree.eventNames.removeNode, this, "onRemoveNode"); |
| dojo.event.topic.unsubscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy"); |
| for (var i = 0; i < this.listenedTrees.length; i++) { |
| if (this.listenedTrees[i] === tree) { |
| this.listenedTrees.splice(i, 1); |
| break; |
| } |
| } |
| }, onTreeDestroy:function (message) { |
| this.unlistenTree(message.source); |
| if (this.dieWithTree) { |
| this.destroy(); |
| } |
| }, onCollapse:function (message) { |
| if (!this.selectedNode) { |
| return; |
| } |
| var node = message.source; |
| var parent = this.selectedNode.parent; |
| while (parent !== node && parent.isTreeNode) { |
| parent = parent.parent; |
| } |
| if (parent.isTreeNode) { |
| this.deselect(); |
| } |
| }, select:function (message) { |
| var node = message.source; |
| var e = message.event; |
| if (this.selectedNode === node) { |
| if (e.ctrlKey || e.shiftKey || e.metaKey) { |
| this.deselect(); |
| return; |
| } |
| dojo.event.topic.publish(this.eventNames.dblselect, {node:node}); |
| return; |
| } |
| if (this.selectedNode) { |
| this.deselect(); |
| } |
| this.doSelect(node); |
| dojo.event.topic.publish(this.eventNames.select, {node:node}); |
| }, onMoveFrom:function (message) { |
| if (message.child !== this.selectedNode) { |
| return; |
| } |
| if (!dojo.lang.inArray(this.listenedTrees, message.newTree)) { |
| this.deselect(); |
| } |
| }, onRemoveNode:function (message) { |
| if (message.child !== this.selectedNode) { |
| return; |
| } |
| this.deselect(); |
| }, doSelect:function (node) { |
| node.markSelected(); |
| this.selectedNode = node; |
| }, deselect:function () { |
| var node = this.selectedNode; |
| this.selectedNode = null; |
| node.unMarkSelected(); |
| dojo.event.topic.publish(this.eventNames.deselect, {node:node}); |
| }}); |
| |