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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<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>
</head>
<body onload="prettyPrint();">
<pre class="prettyprint lang-js">/*!
* Ext JS Library 3.4.0
* Copyright(c) 2006-2011 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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