| /* |
| 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.Tree"); |
| dojo.require("dojo.widget.*"); |
| dojo.require("dojo.event.*"); |
| dojo.require("dojo.io.*"); |
| dojo.require("dojo.widget.HtmlWidget"); |
| dojo.require("dojo.widget.TreeNode"); |
| dojo.require("dojo.html.common"); |
| dojo.require("dojo.html.selection"); |
| dojo.widget.defineWidget("dojo.widget.Tree", dojo.widget.HtmlWidget, function () { |
| this.eventNames = {}; |
| this.tree = this; |
| this.DNDAcceptTypes = []; |
| this.actionsDisabled = []; |
| }, {widgetType:"Tree", eventNamesDefault:{createDOMNode:"createDOMNode", treeCreate:"treeCreate", treeDestroy:"treeDestroy", treeClick:"treeClick", iconClick:"iconClick", titleClick:"titleClick", moveFrom:"moveFrom", moveTo:"moveTo", addChild:"addChild", removeNode:"removeNode", expand:"expand", collapse:"collapse"}, isContainer:true, DNDMode:"off", lockLevel:0, strictFolders:true, DNDModes:{BETWEEN:1, ONTO:2}, DNDAcceptTypes:"", templateCssString:"\n.dojoTree {\n\tfont: caption;\n\tfont-size: 11px;\n\tfont-weight: normal;\n\toverflow: auto;\n}\n\n\n.dojoTreeNodeLabelTitle {\n\tpadding-left: 2px;\n\tcolor: WindowText;\n}\n\n.dojoTreeNodeLabel {\n\tcursor:hand;\n\tcursor:pointer;\n}\n\n.dojoTreeNodeLabelTitle:hover {\n\ttext-decoration: underline;\n}\n\n.dojoTreeNodeLabelSelected {\n\tbackground-color: Highlight;\n\tcolor: HighlightText;\n}\n\n.dojoTree div {\n\twhite-space: nowrap;\n}\n\n.dojoTree img, .dojoTreeNodeLabel img {\n\tvertical-align: middle;\n}\n\n", templateCssPath:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/Tree.css"), templateString:"<div class=\"dojoTree\"></div>", isExpanded:true, isTree:true, objectId:"", controller:"", selector:"", menu:"", expandLevel:"", blankIconSrc:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_blank.gif"), gridIconSrcT:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_t.gif"), gridIconSrcL:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_l.gif"), gridIconSrcV:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_v.gif"), gridIconSrcP:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_p.gif"), gridIconSrcC:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_c.gif"), gridIconSrcX:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_x.gif"), gridIconSrcY:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_y.gif"), gridIconSrcZ:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_z.gif"), expandIconSrcPlus:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_expand_plus.gif"), expandIconSrcMinus:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_expand_minus.gif"), expandIconSrcLoading:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_loading.gif"), iconWidth:18, iconHeight:18, showGrid:true, showRootGrid:true, actionIsDisabled:function (action) { |
| var _this = this; |
| return dojo.lang.inArray(_this.actionsDisabled, action); |
| }, actions:{ADDCHILD:"ADDCHILD"}, getInfo:function () { |
| var info = {widgetId:this.widgetId, objectId:this.objectId}; |
| return info; |
| }, initializeController:function () { |
| if (this.controller != "off") { |
| if (this.controller) { |
| this.controller = dojo.widget.byId(this.controller); |
| } else { |
| dojo.require("dojo.widget.TreeBasicController"); |
| this.controller = dojo.widget.createWidget("TreeBasicController", {DNDController:(this.DNDMode ? "create" : ""), dieWithTree:true}); |
| } |
| this.controller.listenTree(this); |
| } else { |
| this.controller = null; |
| } |
| }, initializeSelector:function () { |
| if (this.selector != "off") { |
| if (this.selector) { |
| this.selector = dojo.widget.byId(this.selector); |
| } else { |
| dojo.require("dojo.widget.TreeSelector"); |
| this.selector = dojo.widget.createWidget("TreeSelector", {dieWithTree:true}); |
| } |
| this.selector.listenTree(this); |
| } else { |
| this.selector = null; |
| } |
| }, initialize:function (args, frag) { |
| var _this = this; |
| for (name in this.eventNamesDefault) { |
| if (dojo.lang.isUndefined(this.eventNames[name])) { |
| this.eventNames[name] = this.widgetId + "/" + this.eventNamesDefault[name]; |
| } |
| } |
| for (var i = 0; i < this.actionsDisabled.length; i++) { |
| this.actionsDisabled[i] = this.actionsDisabled[i].toUpperCase(); |
| } |
| if (this.DNDMode == "off") { |
| this.DNDMode = 0; |
| } else { |
| if (this.DNDMode == "between") { |
| this.DNDMode = this.DNDModes.ONTO | this.DNDModes.BETWEEN; |
| } else { |
| if (this.DNDMode == "onto") { |
| this.DNDMode = this.DNDModes.ONTO; |
| } |
| } |
| } |
| this.expandLevel = parseInt(this.expandLevel); |
| this.initializeSelector(); |
| this.initializeController(); |
| if (this.menu) { |
| this.menu = dojo.widget.byId(this.menu); |
| this.menu.listenTree(this); |
| } |
| this.containerNode = this.domNode; |
| }, postCreate:function () { |
| this.createDOMNode(); |
| }, createDOMNode:function () { |
| dojo.html.disableSelection(this.domNode); |
| for (var i = 0; i < this.children.length; i++) { |
| this.children[i].parent = this; |
| var node = this.children[i].createDOMNode(this, 0); |
| this.domNode.appendChild(node); |
| } |
| if (!this.showRootGrid) { |
| for (var i = 0; i < this.children.length; i++) { |
| this.children[i].expand(); |
| } |
| } |
| dojo.event.topic.publish(this.eventNames.treeCreate, {source:this}); |
| }, destroy:function () { |
| dojo.event.topic.publish(this.tree.eventNames.treeDestroy, {source:this}); |
| return dojo.widget.HtmlWidget.prototype.destroy.apply(this, arguments); |
| }, addChild:function (child, index) { |
| var message = {child:child, index:index, parent:this, domNodeInitialized:child.domNodeInitialized}; |
| this.doAddChild.apply(this, arguments); |
| dojo.event.topic.publish(this.tree.eventNames.addChild, message); |
| }, doAddChild:function (child, index) { |
| if (dojo.lang.isUndefined(index)) { |
| index = this.children.length; |
| } |
| if (!child.isTreeNode) { |
| dojo.raise("You can only add TreeNode widgets to a " + this.widgetType + " widget!"); |
| return; |
| } |
| if (this.isTreeNode) { |
| if (!this.isFolder) { |
| this.setFolder(); |
| } |
| } |
| var _this = this; |
| dojo.lang.forEach(child.getDescendants(), function (elem) { |
| elem.tree = _this.tree; |
| }); |
| child.parent = this; |
| if (this.isTreeNode) { |
| this.state = this.loadStates.LOADED; |
| } |
| if (index < this.children.length) { |
| dojo.html.insertBefore(child.domNode, this.children[index].domNode); |
| } else { |
| this.containerNode.appendChild(child.domNode); |
| if (this.isExpanded && this.isTreeNode) { |
| this.showChildren(); |
| } |
| } |
| this.children.splice(index, 0, child); |
| if (child.domNodeInitialized) { |
| var d = this.isTreeNode ? this.depth : -1; |
| child.adjustDepth(d - child.depth + 1); |
| child.updateIconTree(); |
| } else { |
| child.depth = this.isTreeNode ? this.depth + 1 : 0; |
| child.createDOMNode(child.tree, child.depth); |
| } |
| var prevSibling = child.getPreviousSibling(); |
| if (child.isLastChild() && prevSibling) { |
| prevSibling.updateExpandGridColumn(); |
| } |
| }, makeBlankImg:function () { |
| var img = document.createElement("img"); |
| img.style.width = this.iconWidth + "px"; |
| img.style.height = this.iconHeight + "px"; |
| img.src = this.blankIconSrc; |
| img.style.verticalAlign = "middle"; |
| return img; |
| }, updateIconTree:function () { |
| if (!this.isTree) { |
| this.updateIcons(); |
| } |
| for (var i = 0; i < this.children.length; i++) { |
| this.children[i].updateIconTree(); |
| } |
| }, toString:function () { |
| return "[" + this.widgetType + " ID:" + this.widgetId + "]"; |
| }, move:function (child, newParent, index) { |
| var oldParent = child.parent; |
| var oldTree = child.tree; |
| this.doMove.apply(this, arguments); |
| var newParent = child.parent; |
| var newTree = child.tree; |
| var message = {oldParent:oldParent, oldTree:oldTree, newParent:newParent, newTree:newTree, child:child}; |
| dojo.event.topic.publish(oldTree.eventNames.moveFrom, message); |
| dojo.event.topic.publish(newTree.eventNames.moveTo, message); |
| }, doMove:function (child, newParent, index) { |
| child.parent.doRemoveNode(child); |
| newParent.doAddChild(child, index); |
| }, removeNode:function (child) { |
| if (!child.parent) { |
| return; |
| } |
| var oldTree = child.tree; |
| var oldParent = child.parent; |
| var removedChild = this.doRemoveNode.apply(this, arguments); |
| dojo.event.topic.publish(this.tree.eventNames.removeNode, {child:removedChild, tree:oldTree, parent:oldParent}); |
| return removedChild; |
| }, doRemoveNode:function (child) { |
| if (!child.parent) { |
| return; |
| } |
| var parent = child.parent; |
| var children = parent.children; |
| var index = child.getParentIndex(); |
| if (index < 0) { |
| dojo.raise("Couldn't find node " + child + " for removal"); |
| } |
| children.splice(index, 1); |
| dojo.html.removeNode(child.domNode); |
| if (parent.children.length == 0 && !parent.isTree) { |
| parent.containerNode.style.display = "none"; |
| } |
| if (index == children.length && index > 0) { |
| children[index - 1].updateExpandGridColumn(); |
| } |
| if (parent instanceof dojo.widget.Tree && index == 0 && children.length > 0) { |
| children[0].updateExpandGrid(); |
| } |
| child.parent = child.tree = null; |
| return child; |
| }, markLoading:function () { |
| }, unMarkLoading:function () { |
| }, lock:function () { |
| !this.lockLevel && this.markLoading(); |
| this.lockLevel++; |
| }, unlock:function () { |
| if (!this.lockLevel) { |
| dojo.raise("unlock: not locked"); |
| } |
| this.lockLevel--; |
| !this.lockLevel && this.unMarkLoading(); |
| }, isLocked:function () { |
| var node = this; |
| while (true) { |
| if (node.lockLevel) { |
| return true; |
| } |
| if (node instanceof dojo.widget.Tree) { |
| break; |
| } |
| node = node.parent; |
| } |
| return false; |
| }, flushLock:function () { |
| this.lockLevel = 0; |
| this.unMarkLoading(); |
| }}); |
| |
