david
47aaf11578
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@38 05c56307-c608-d34a-929d-697000501d7a
130 lines
4.4 KiB
JavaScript
130 lines
4.4 KiB
JavaScript
/*
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ExpressWeb Framework by Developer Express
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ExpressWebTreeView
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Copyright (c) 2000-2004 Developer Express Inc.
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ALL RIGHTS RESERVED
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The entire contents of this file is protected by U.S. and
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International Copyright Laws. Unauthorized reproduction,
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reverse-engineering, and distribution of all or any portion of
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the code contained in this file is strictly prohibited and may
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result in severe civil and criminal penalties and will be
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prosecuted to the maximum extent possible under the law.
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*/
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var dxTreeView = [];
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dxTreeView["Inf"] = new dx_Info();
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dxTreeView["Utl"] = new dx_Utils();
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dxTreeView["Mng"] = new dx_TreeViewManager();
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dxTreeView["Obj"] = dxTreeView.Utl.CreateObjHelper();
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function dx_TreeView()
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{
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this.Name = "";
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this.ForcePostBack = false;
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this.ColImg = "";
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this.ExpImg = "";
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this.ColTitle = "";
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this.ExpTitle = "";
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this.StoreState = function (NodeName, State) {
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var storage = dxTreeView.Obj.GetElementById(this.Name + "_EXPANDSTATE");
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var pos = storage.value.indexOf(NodeName + "=");
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var value = storage.value;
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var newValue = NodeName + "=" + State + ",";
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if (pos == -1) storage.value = value + newValue;
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else storage.value = value.substring(0, pos) + newValue + value.substring(pos + newValue.length, value.length + 1);
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}
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this.NodeClick = function (e, PBFlag) {
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if (dxTreeView.Inf.ns6) {
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var nodeName = dxTreeView.Inf.GetSrcElement(e).parentNode.parentNode.parentNode.id;
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if(this.OnTreeItemClick) this.OnTreeItemClick(this, nodeName);
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if(PBFlag) __doPostBack(this.Name, "CLICK:" + nodeName);
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} else {
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eTarget = dxTreeView.Inf.GetSrcElement(e);
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if (eTarget.parentElement.tagName == "A") {
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var nodeName = eTarget.parentElement.parentElement.id;
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if (eTarget.tagName == "IMG") this.ToggleNode(nodeName);
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else {
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if(this.OnTreeItemClick) this.OnTreeItemClick(this, nodeName);
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if ((eTarget.tagName == "SPAN") && PBFlag) {
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__doPostBack(this.Name, "CLICK:" + nodeName);
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}
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}
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}
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}
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}
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this.ToggleNode = function (NodeName) {
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if(this.ForcePostBack) __doPostBack(this.Name, "TOGGLE:" + NodeName)
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else {
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var BtnImg = dxTreeView.Obj.GetElementById(NodeName + "_Img");
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var Block = dxTreeView.Obj.GetElementById("Sub_" + NodeName);
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if( !Exists(Block)) return;
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if (Block.style.display == "") {
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var AllowAction = true;
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if(this.OnTreeItemCollapse) {
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AllowAction = this.OnTreeItemCollapse(this, NodeName);
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if(typeof AllowAction == "undefined") AllowAction = true;
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}
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if(AllowAction == true) {
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Block.style.display = "none";
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if( Exists(BtnImg) ) {
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BtnImg.src = this.ColImg;
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BtnImg.alt = this.ColTitle;
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}
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this.StoreState(NodeName, "0");
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}
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} else {
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var AllowAction = true;
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if(this.OnTreeItemExpand) {
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AllowAction = this.OnTreeItemExpand(this, NodeName);
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if(typeof AllowAction == "undefined") AllowAction = true;
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}
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if(AllowAction == true) {
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Block.style.display = "";
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if( Exists(BtnImg) ) {
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BtnImg.src = this.ExpImg;
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BtnImg.alt = this.ExpTitle;
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}
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this.StoreState(NodeName, "1");
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}
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}
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}
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}
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// Events
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this.OnTreeItemClick = null;
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this.OnTreeItemCollapse = null;
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this.OnTreeItemExpand = null;
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}
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// Class TreeViewManager
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function dx_TreeViewManager()
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{
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this.treeviews = [];
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this.CreateTreeView = function() {
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var treeview = new dx_TreeView();
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this.treeviews.Add(treeview);
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return treeview;
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}
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this.GetTreeView = function(AName) {
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for(var i = 0; i < this.treeviews.length; i++)
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if(AName == this.treeviews[i].Name) return this.treeviews[i];
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return null;
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}
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}
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function CreateTreeView() {
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return dxTreeView.Mng.CreateTreeView();
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}
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function TreeNodeClick(TreeName, e, PBFlag) {
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var treeview = dxTreeView.Mng.GetTreeView(TreeName);
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if( Exists(treeview) ) treeview.NodeClick(e, PBFlag);
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}
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function TreeNodeToggle(TreeName, NodeName) {
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var treeview = dxTreeView.Mng.GetTreeView(TreeName);
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if( Exists(treeview) ) treeview.ToggleNode(NodeName);
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}
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