| /* |
| 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.TreeSelectorV3"); |
| dojo.require("dojo.widget.HtmlWidget"); |
| dojo.require("dojo.widget.TreeCommon"); |
| dojo.widget.defineWidget("dojo.widget.TreeSelectorV3", [dojo.widget.HtmlWidget, dojo.widget.TreeCommon], function () { |
| this.eventNames = {}; |
| this.listenedTrees = {}; |
| this.selectedNodes = []; |
| this.lastClicked = {}; |
| }, {listenTreeEvents:["afterTreeCreate", "afterCollapse", "afterChangeTree", "afterDetach", "beforeTreeDestroy"], listenNodeFilter:function (elem) { |
| return elem instanceof dojo.widget.Widget; |
| }, allowedMulti:true, dblselectTimeout:300, eventNamesDefault:{select:"select", deselect:"deselect", dblselect:"dblselect"}, onAfterTreeCreate:function (message) { |
| var tree = message.source; |
| dojo.event.browser.addListener(tree.domNode, "onclick", dojo.lang.hitch(this, this.onTreeClick)); |
| if (dojo.render.html.ie) { |
| dojo.event.browser.addListener(tree.domNode, "ondblclick", dojo.lang.hitch(this, this.onTreeDblClick)); |
| } |
| dojo.event.browser.addListener(tree.domNode, "onKey", dojo.lang.hitch(this, this.onKey)); |
| }, onKey:function (e) { |
| if (!e.key || e.ctrkKey || e.altKey) { |
| return; |
| } |
| switch (e.key) { |
| case e.KEY_ENTER: |
| var node = this.domElement2TreeNode(e.target); |
| if (node) { |
| this.processNode(node, e); |
| } |
| } |
| }, onAfterChangeTree:function (message) { |
| if (!message.oldTree && message.node.selected) { |
| this.select(message.node); |
| } |
| if (!message.newTree || !this.listenedTrees[message.newTree.widgetId]) { |
| if (this.selectedNode && message.node.children) { |
| this.deselectIfAncestorMatch(message.node); |
| } |
| } |
| }, initialize:function (args) { |
| for (var name in this.eventNamesDefault) { |
| if (dojo.lang.isUndefined(this.eventNames[name])) { |
| this.eventNames[name] = this.widgetId + "/" + this.eventNamesDefault[name]; |
| } |
| } |
| }, onBeforeTreeDestroy:function (message) { |
| this.unlistenTree(message.source); |
| }, onAfterCollapse:function (message) { |
| this.deselectIfAncestorMatch(message.source); |
| }, onTreeDblClick:function (event) { |
| this.onTreeClick(event); |
| }, checkSpecialEvent:function (event) { |
| return event.shiftKey || event.ctrlKey; |
| }, onTreeClick:function (event) { |
| var node = this.domElement2TreeNode(event.target); |
| if (!node) { |
| return; |
| } |
| var checkLabelClick = function (domElement) { |
| return domElement === node.labelNode; |
| }; |
| if (this.checkPathCondition(event.target, checkLabelClick)) { |
| this.processNode(node, event); |
| } |
| }, processNode:function (node, event) { |
| if (node.actionIsDisabled(node.actions.SELECT)) { |
| return; |
| } |
| if (dojo.lang.inArray(this.selectedNodes, node)) { |
| if (this.checkSpecialEvent(event)) { |
| this.deselect(node); |
| return; |
| } |
| var _this = this; |
| var i = 0; |
| var selectedNode; |
| while (this.selectedNodes.length > i) { |
| selectedNode = this.selectedNodes[i]; |
| if (selectedNode !== node) { |
| this.deselect(selectedNode); |
| continue; |
| } |
| i++; |
| } |
| var wasJustClicked = this.checkRecentClick(node); |
| eventName = wasJustClicked ? this.eventNames.dblselect : this.eventNames.select; |
| if (wasJustClicked) { |
| eventName = this.eventNames.dblselect; |
| this.forgetLastClicked(); |
| } else { |
| eventName = this.eventNames.select; |
| this.setLastClicked(node); |
| } |
| dojo.event.topic.publish(eventName, {node:node}); |
| return; |
| } |
| this.deselectIfNoMulti(event); |
| this.setLastClicked(node); |
| this.select(node); |
| }, forgetLastClicked:function () { |
| this.lastClicked = {}; |
| }, setLastClicked:function (node) { |
| this.lastClicked.date = new Date(); |
| this.lastClicked.node = node; |
| }, checkRecentClick:function (node) { |
| var diff = new Date() - this.lastClicked.date; |
| if (this.lastClicked.node && diff < this.dblselectTimeout) { |
| return true; |
| } else { |
| return false; |
| } |
| }, deselectIfNoMulti:function (event) { |
| if (!this.checkSpecialEvent(event) || !this.allowedMulti) { |
| this.deselectAll(); |
| } |
| }, deselectIfAncestorMatch:function (ancestor) { |
| var _this = this; |
| dojo.lang.forEach(this.selectedNodes, function (node) { |
| var selectedNode = node; |
| node = node.parent; |
| while (node && node.isTreeNode) { |
| if (node === ancestor) { |
| _this.deselect(selectedNode); |
| return; |
| } |
| node = node.parent; |
| } |
| }); |
| }, onAfterDetach:function (message) { |
| this.deselectIfAncestorMatch(message.child); |
| }, select:function (node) { |
| var index = dojo.lang.find(this.selectedNodes, node, true); |
| if (index >= 0) { |
| return; |
| } |
| this.selectedNodes.push(node); |
| dojo.event.topic.publish(this.eventNames.select, {node:node}); |
| }, deselect:function (node) { |
| var index = dojo.lang.find(this.selectedNodes, node, true); |
| if (index < 0) { |
| return; |
| } |
| this.selectedNodes.splice(index, 1); |
| dojo.event.topic.publish(this.eventNames.deselect, {node:node}); |
| }, deselectAll:function () { |
| while (this.selectedNodes.length) { |
| this.deselect(this.selectedNodes[0]); |
| } |
| }}); |
| |