Rev 1422 | Blame | Compare with Previous | Last modification | View Log | RSS feed
/*Copyright (c) 2004-2006, The Dojo FoundationAll Rights Reserved.Licensed under the Academic Free License version 2.1 or above OR themodified 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();}});