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- <title>The source code</title>
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
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-<body onload="prettyPrint();">
- <pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-<div id="cls-Ext.tree.TreeNodeUI"></div>/**
- * @class Ext.tree.TreeNodeUI
- * This class provides the default UI implementation for Ext TreeNodes.
- * The TreeNode UI implementation is separate from the
- * tree implementation, and allows customizing of the appearance of
- * tree nodes.<br>
- * <p>
- * If you are customizing the Tree's user interface, you
- * may need to extend this class, but you should never need to instantiate this class.<br>
- * <p>
- * This class provides access to the user interface components of an Ext TreeNode, through
- * {@link Ext.tree.TreeNode#getUI}
- */
-Ext.tree.TreeNodeUI = Ext.extend(Object, {
-
- constructor : function(node){
- Ext.apply(this, {
- node: node,
- rendered: false,
- animating: false,
- wasLeaf: true,
- ecc: 'x-tree-ec-icon x-tree-elbow',
- emptyIcon: Ext.BLANK_IMAGE_URL
- });
- },
-
- // private
- removeChild : function(node){
- if(this.rendered){
- this.ctNode.removeChild(node.ui.getEl());
- }
- },
-
- // private
- beforeLoad : function(){
- this.addClass("x-tree-node-loading");
- },
-
- // private
- afterLoad : function(){
- this.removeClass("x-tree-node-loading");
- },
-
- // private
- onTextChange : function(node, text, oldText){
- if(this.rendered){
- this.textNode.innerHTML = text;
- }
- },
-
- // private
- onIconClsChange : function(node, cls, oldCls){
- if(this.rendered){
- Ext.fly(this.iconNode).replaceClass(oldCls, cls);
- }
- },
-
- // private
- onIconChange : function(node, icon){
- if(this.rendered){
- //'<img src="', a.icon || this.emptyIcon, '" class="x-tree-node-icon',(a.icon ? " x-tree-node-inline-icon" : ""),(a.iconCls ? " "+a.iconCls : ""),'" unselectable="on" />',
- var empty = Ext.isEmpty(icon);
- this.iconNode.src = empty ? this.emptyIcon : icon;
- Ext.fly(this.iconNode)[empty ? 'removeClass' : 'addClass']('x-tree-node-inline-icon');
- }
- },
-
- // private
- onTipChange : function(node, tip, title){
- if(this.rendered){
- var hasTitle = Ext.isDefined(title);
- if(this.textNode.setAttributeNS){
- this.textNode.setAttributeNS("ext", "qtip", tip);
- if(hasTitle){
- this.textNode.setAttributeNS("ext", "qtitle", title);
- }
- }else{
- this.textNode.setAttribute("ext:qtip", tip);
- if(hasTitle){
- this.textNode.setAttribute("ext:qtitle", title);
- }
- }
- }
- },
-
- // private
- onHrefChange : function(node, href, target){
- if(this.rendered){
- this.anchor.href = this.getHref(href);
- if(Ext.isDefined(target)){
- this.anchor.target = target;
- }
- }
- },
-
- // private
- onClsChange : function(node, cls, oldCls){
- if(this.rendered){
- Ext.fly(this.elNode).replaceClass(oldCls, cls);
- }
- },
-
- // private
- onDisableChange : function(node, state){
- this.disabled = state;
- if (this.checkbox) {
- this.checkbox.disabled = state;
- }
- this[state ? 'addClass' : 'removeClass']('x-tree-node-disabled');
- },
-
- // private
- onSelectedChange : function(state){
- if(state){
- this.focus();
- this.addClass("x-tree-selected");
- }else{
- //this.blur();
- this.removeClass("x-tree-selected");
- }
- },
-
- // private
- onMove : function(tree, node, oldParent, newParent, index, refNode){
- this.childIndent = null;
- if(this.rendered){
- var targetNode = newParent.ui.getContainer();
- if(!targetNode){//target not rendered
- this.holder = document.createElement("div");
- this.holder.appendChild(this.wrap);
- return;
- }
- var insertBefore = refNode ? refNode.ui.getEl() : null;
- if(insertBefore){
- targetNode.insertBefore(this.wrap, insertBefore);
- }else{
- targetNode.appendChild(this.wrap);
- }
- this.node.renderIndent(true, oldParent != newParent);
- }
- },
-
-<div id="method-Ext.tree.TreeNodeUI-addClass"></div>/**
- * Adds one or more CSS classes to the node's UI element.
- * Duplicate classes are automatically filtered out.
- * @param {String/Array} className The CSS class to add, or an array of classes
- */
- addClass : function(cls){
- if(this.elNode){
- Ext.fly(this.elNode).addClass(cls);
- }
- },
-
-<div id="method-Ext.tree.TreeNodeUI-removeClass"></div>/**
- * Removes one or more CSS classes from the node's UI element.
- * @param {String/Array} className The CSS class to remove, or an array of classes
- */
- removeClass : function(cls){
- if(this.elNode){
- Ext.fly(this.elNode).removeClass(cls);
- }
- },
-
- // private
- remove : function(){
- if(this.rendered){
- this.holder = document.createElement("div");
- this.holder.appendChild(this.wrap);
- }
- },
-
- // private
- fireEvent : function(){
- return this.node.fireEvent.apply(this.node, arguments);
- },
-
- // private
- initEvents : function(){
- this.node.on("move", this.onMove, this);
-
- if(this.node.disabled){
- this.onDisableChange(this.node, true);
- }
- if(this.node.hidden){
- this.hide();
- }
- var ot = this.node.getOwnerTree();
- var dd = ot.enableDD || ot.enableDrag || ot.enableDrop;
- if(dd && (!this.node.isRoot || ot.rootVisible)){
- Ext.dd.Registry.register(this.elNode, {
- node: this.node,
- handles: this.getDDHandles(),
- isHandle: false
- });
- }
- },
-
- // private
- getDDHandles : function(){
- return [this.iconNode, this.textNode, this.elNode];
- },
-
-<div id="method-Ext.tree.TreeNodeUI-hide"></div>/**
- * Hides this node.
- */
- hide : function(){
- this.node.hidden = true;
- if(this.wrap){
- this.wrap.style.display = "none";
- }
- },
-
-<div id="method-Ext.tree.TreeNodeUI-show"></div>/**
- * Shows this node.
- */
- show : function(){
- this.node.hidden = false;
- if(this.wrap){
- this.wrap.style.display = "";
- }
- },
-
- // private
- onContextMenu : function(e){
- if (this.node.hasListener("contextmenu") || this.node.getOwnerTree().hasListener("contextmenu")) {
- e.preventDefault();
- this.focus();
- this.fireEvent("contextmenu", this.node, e);
- }
- },
-
- // private
- onClick : function(e){
- if(this.dropping){
- e.stopEvent();
- return;
- }
- if(this.fireEvent("beforeclick", this.node, e) !== false){
- var a = e.getTarget('a');
- if(!this.disabled && this.node.attributes.href && a){
- this.fireEvent("click", this.node, e);
- return;
- }else if(a && e.ctrlKey){
- e.stopEvent();
- }
- e.preventDefault();
- if(this.disabled){
- return;
- }
-
- if(this.node.attributes.singleClickExpand && !this.animating && this.node.isExpandable()){
- this.node.toggle();
- }
-
- this.fireEvent("click", this.node, e);
- }else{
- e.stopEvent();
- }
- },
-
- // private
- onDblClick : function(e){
- e.preventDefault();
- if(this.disabled){
- return;
- }
- if(this.fireEvent("beforedblclick", this.node, e) !== false){
- if(this.checkbox){
- this.toggleCheck();
- }
- if(!this.animating && this.node.isExpandable()){
- this.node.toggle();
- }
- this.fireEvent("dblclick", this.node, e);
- }
- },
-
- onOver : function(e){
- this.addClass('x-tree-node-over');
- },
-
- onOut : function(e){
- this.removeClass('x-tree-node-over');
- },
-
- // private
- onCheckChange : function(){
- var checked = this.checkbox.checked;
- // fix for IE6
- this.checkbox.defaultChecked = checked;
- this.node.attributes.checked = checked;
- this.fireEvent('checkchange', this.node, checked);
- },
-
- // private
- ecClick : function(e){
- if(!this.animating && this.node.isExpandable()){
- this.node.toggle();
- }
- },
-
- // private
- startDrop : function(){
- this.dropping = true;
- },
-
- // delayed drop so the click event doesn't get fired on a drop
- endDrop : function(){
- setTimeout(function(){
- this.dropping = false;
- }.createDelegate(this), 50);
- },
-
- // private
- expand : function(){
- this.updateExpandIcon();
- this.ctNode.style.display = "";
- },
-
- // private
- focus : function(){
- if(!this.node.preventHScroll){
- try{this.anchor.focus();
- }catch(e){}
- }else{
- try{
- var noscroll = this.node.getOwnerTree().getTreeEl().dom;
- var l = noscroll.scrollLeft;
- this.anchor.focus();
- noscroll.scrollLeft = l;
- }catch(e){}
- }
- },
-
-<div id="method-Ext.tree.TreeNodeUI-toggleCheck"></div>/**
- * Sets the checked status of the tree node to the passed value, or, if no value was passed,
- * toggles the checked status. If the node was rendered with no checkbox, this has no effect.
- * @param {Boolean} value (optional) The new checked status.
- */
- toggleCheck : function(value){
- var cb = this.checkbox;
- if(cb){
- cb.checked = (value === undefined ? !cb.checked : value);
- this.onCheckChange();
- }
- },
-
- // private
- blur : function(){
- try{
- this.anchor.blur();
- }catch(e){}
- },
-
- // private
- animExpand : function(callback){
- var ct = Ext.get(this.ctNode);
- ct.stopFx();
- if(!this.node.isExpandable()){
- this.updateExpandIcon();
- this.ctNode.style.display = "";
- Ext.callback(callback);
- return;
- }
- this.animating = true;
- this.updateExpandIcon();
-
- ct.slideIn('t', {
- callback : function(){
- this.animating = false;
- Ext.callback(callback);
- },
- scope: this,
- duration: this.node.ownerTree.duration || .25
- });
- },
-
- // private
- highlight : function(){
- var tree = this.node.getOwnerTree();
- Ext.fly(this.wrap).highlight(
- tree.hlColor || "C3DAF9",
- {endColor: tree.hlBaseColor}
- );
- },
-
- // private
- collapse : function(){
- this.updateExpandIcon();
- this.ctNode.style.display = "none";
- },
-
- // private
- animCollapse : function(callback){
- var ct = Ext.get(this.ctNode);
- ct.enableDisplayMode('block');
- ct.stopFx();
-
- this.animating = true;
- this.updateExpandIcon();
-
- ct.slideOut('t', {
- callback : function(){
- this.animating = false;
- Ext.callback(callback);
- },
- scope: this,
- duration: this.node.ownerTree.duration || .25
- });
- },
-
- // private
- getContainer : function(){
- return this.ctNode;
- },
-
-<div id="method-Ext.tree.TreeNodeUI-getEl"></div>/**
- * Returns the element which encapsulates this node.
- * @return {HtmlElement} The DOM element. The default implementation uses a <code><li></code>.
- */
- getEl : function(){
- return this.wrap;
- },
-
- // private
- appendDDGhost : function(ghostNode){
- ghostNode.appendChild(this.elNode.cloneNode(true));
- },
-
- // private
- getDDRepairXY : function(){
- return Ext.lib.Dom.getXY(this.iconNode);
- },
-
- // private
- onRender : function(){
- this.render();
- },
-
- // private
- render : function(bulkRender){
- var n = this.node, a = n.attributes;
- var targetNode = n.parentNode ?
- n.parentNode.ui.getContainer() : n.ownerTree.innerCt.dom;
-
- if(!this.rendered){
- this.rendered = true;
-
- this.renderElements(n, a, targetNode, bulkRender);
-
- if(a.qtip){
- this.onTipChange(n, a.qtip, a.qtipTitle);
- }else if(a.qtipCfg){
- a.qtipCfg.target = Ext.id(this.textNode);
- Ext.QuickTips.register(a.qtipCfg);
- }
- this.initEvents();
- if(!this.node.expanded){
- this.updateExpandIcon(true);
- }
- }else{
- if(bulkRender === true) {
- targetNode.appendChild(this.wrap);
- }
- }
- },
-
- // private
- renderElements : function(n, a, targetNode, bulkRender){
- // add some indent caching, this helps performance when rendering a large tree
- this.indentMarkup = n.parentNode ? n.parentNode.ui.getChildIndent() : '';
-
- var cb = Ext.isBoolean(a.checked),
- nel,
- href = this.getHref(a.href),
- buf = ['<li class="x-tree-node"><div ext:tree-node-id="',n.id,'" class="x-tree-node-el x-tree-node-leaf x-unselectable ', a.cls,'" unselectable="on">',
- '<span class="x-tree-node-indent">',this.indentMarkup,"</span>",
- '<img alt="" src="', this.emptyIcon, '" class="x-tree-ec-icon x-tree-elbow" />',
- '<img alt="" src="', a.icon || this.emptyIcon, '" class="x-tree-node-icon',(a.icon ? " x-tree-node-inline-icon" : ""),(a.iconCls ? " "+a.iconCls : ""),'" unselectable="on" />',
- cb ? ('<input class="x-tree-node-cb" type="checkbox" ' + (a.checked ? 'checked="checked" />' : '/>')) : '',
- '<a hidefocus="on" class="x-tree-node-anchor" href="',href,'" tabIndex="1" ',
- a.hrefTarget ? ' target="'+a.hrefTarget+'"' : "", '><span unselectable="on">',n.text,"</span></a></div>",
- '<ul class="x-tree-node-ct" style="display:none;"></ul>',
- "</li>"].join('');
-
- if(bulkRender !== true && n.nextSibling && (nel = n.nextSibling.ui.getEl())){
- this.wrap = Ext.DomHelper.insertHtml("beforeBegin", nel, buf);
- }else{
- this.wrap = Ext.DomHelper.insertHtml("beforeEnd", targetNode, buf);
- }
-
- this.elNode = this.wrap.childNodes[0];
- this.ctNode = this.wrap.childNodes[1];
- var cs = this.elNode.childNodes;
- this.indentNode = cs[0];
- this.ecNode = cs[1];
- this.iconNode = cs[2];
- var index = 3;
- if(cb){
- this.checkbox = cs[3];
- // fix for IE6
- this.checkbox.defaultChecked = this.checkbox.checked;
- index++;
- }
- this.anchor = cs[index];
- this.textNode = cs[index].firstChild;
- },
-
- /**
- * @private Gets a normalized href for the node.
- * @param {String} href
- */
- getHref : function(href){
- return Ext.isEmpty(href) ? (Ext.isGecko ? '' : '#') : href;
- },
-
-<div id="method-Ext.tree.TreeNodeUI-getAnchor"></div>/**
- * Returns the <a> element that provides focus for the node's UI.
- * @return {HtmlElement} The DOM anchor element.
- */
- getAnchor : function(){
- return this.anchor;
- },
-
-<div id="method-Ext.tree.TreeNodeUI-getTextEl"></div>/**
- * Returns the text node.
- * @return {HtmlNode} The DOM text node.
- */
- getTextEl : function(){
- return this.textNode;
- },
-
-<div id="method-Ext.tree.TreeNodeUI-getIconEl"></div>/**
- * Returns the icon <img> element.
- * @return {HtmlElement} The DOM image element.
- */
- getIconEl : function(){
- return this.iconNode;
- },
-
-<div id="method-Ext.tree.TreeNodeUI-isChecked"></div>/**
- * Returns the checked status of the node. If the node was rendered with no
- * checkbox, it returns false.
- * @return {Boolean} The checked flag.
- */
- isChecked : function(){
- return this.checkbox ? this.checkbox.checked : false;
- },
-
- // private
- updateExpandIcon : function(){
- if(this.rendered){
- var n = this.node,
- c1,
- c2,
- cls = n.isLast() ? "x-tree-elbow-end" : "x-tree-elbow",
- hasChild = n.hasChildNodes();
- if(hasChild || n.attributes.expandable){
- if(n.expanded){
- cls += "-minus";
- c1 = "x-tree-node-collapsed";
- c2 = "x-tree-node-expanded";
- }else{
- cls += "-plus";
- c1 = "x-tree-node-expanded";
- c2 = "x-tree-node-collapsed";
- }
- if(this.wasLeaf){
- this.removeClass("x-tree-node-leaf");
- this.wasLeaf = false;
- }
- if(this.c1 != c1 || this.c2 != c2){
- Ext.fly(this.elNode).replaceClass(c1, c2);
- this.c1 = c1; this.c2 = c2;
- }
- }else{
- if(!this.wasLeaf){
- Ext.fly(this.elNode).replaceClass("x-tree-node-expanded", "x-tree-node-collapsed");
- delete this.c1;
- delete this.c2;
- this.wasLeaf = true;
- }
- }
- var ecc = "x-tree-ec-icon "+cls;
- if(this.ecc != ecc){
- this.ecNode.className = ecc;
- this.ecc = ecc;
- }
- }
- },
-
- // private
- onIdChange: function(id){
- if(this.rendered){
- this.elNode.setAttribute('ext:tree-node-id', id);
- }
- },
-
- // private
- getChildIndent : function(){
- if(!this.childIndent){
- var buf = [],
- p = this.node;
- while(p){
- if(!p.isRoot || (p.isRoot && p.ownerTree.rootVisible)){
- if(!p.isLast()) {
- buf.unshift('<img alt="" src="'+this.emptyIcon+'" class="x-tree-elbow-line" />');
- } else {
- buf.unshift('<img alt="" src="'+this.emptyIcon+'" class="x-tree-icon" />');
- }
- }
- p = p.parentNode;
- }
- this.childIndent = buf.join("");
- }
- return this.childIndent;
- },
-
- // private
- renderIndent : function(){
- if(this.rendered){
- var indent = "",
- p = this.node.parentNode;
- if(p){
- indent = p.ui.getChildIndent();
- }
- if(this.indentMarkup != indent){ // don't rerender if not required
- this.indentNode.innerHTML = indent;
- this.indentMarkup = indent;
- }
- this.updateExpandIcon();
- }
- },
-
- destroy : function(){
- if(this.elNode){
- Ext.dd.Registry.unregister(this.elNode.id);
- }
-
- Ext.each(['textnode', 'anchor', 'checkbox', 'indentNode', 'ecNode', 'iconNode', 'elNode', 'ctNode', 'wrap', 'holder'], function(el){
- if(this[el]){
- Ext.fly(this[el]).remove();
- delete this[el];
- }
- }, this);
- delete this.node;
- }
-});
-
-<div id="cls-Ext.tree.RootTreeNodeUI"></div>/**
- * @class Ext.tree.RootTreeNodeUI
- * This class provides the default UI implementation for <b>root</b> Ext TreeNodes.
- * The RootTreeNode UI implementation allows customizing the appearance of the root tree node.<br>
- * <p>
- * If you are customizing the Tree's user interface, you
- * may need to extend this class, but you should never need to instantiate this class.<br>
- */
-Ext.tree.RootTreeNodeUI = Ext.extend(Ext.tree.TreeNodeUI, {
- // private
- render : function(){
- if(!this.rendered){
- var targetNode = this.node.ownerTree.innerCt.dom;
- this.node.expanded = true;
- targetNode.innerHTML = '<div class="x-tree-root-node"></div>';
- this.wrap = this.ctNode = targetNode.firstChild;
- }
- },
- collapse : Ext.emptyFn,
- expand : Ext.emptyFn
-});</pre>
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-</html>
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