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ext-all-debug.js：源码内容

}
},
/**
* Ensures all parent nodes are expanded, and if necessary, scrolls
* the node into view.
* @param {Function} callback (optional) A function to call when the node has been made visible.
* @param {Object} scope (optional) The scope in which to execute the callback.
*/
ensureVisible : function(callback, scope){
var tree = this.getOwnerTree();
tree.expandPath(this.parentNode ? this.parentNode.getPath() : this.getPath(), false, function(){
var node = tree.getNodeById(this.id); // Somehow if we don't do this, we lose changes that happened to node in the meantime
tree.getTreeEl().scrollChildIntoView(node.ui.anchor);
this.runCallback(callback, scope || this, [this]);
}.createDelegate(this));
},
/**
* Expand all child nodes
* @param {Boolean} deep (optional) true if the child nodes should also expand their child nodes
*/
expandChildNodes : function(deep){
var cs = this.childNodes;
for(var i = 0, len = cs.length; i < len; i++) {
cs[i].expand(deep);
}
},
/**
* Collapse all child nodes
* @param {Boolean} deep (optional) true if the child nodes should also collapse their child nodes
*/
collapseChildNodes : function(deep){
var cs = this.childNodes;
for(var i = 0, len = cs.length; i < len; i++) {
cs[i].collapse(deep);
}
},
/**
* Disables this node
*/
disable : function(){
this.disabled = true;
this.unselect();
if(this.rendered && this.ui.onDisableChange){ // event without subscribing
this.ui.onDisableChange(this, true);
}
this.fireEvent("disabledchange", this, true);
},
/**
* Enables this node
*/
enable : function(){
this.disabled = false;
if(this.rendered && this.ui.onDisableChange){ // event without subscribing
this.ui.onDisableChange(this, false);
}
this.fireEvent("disabledchange", this, false);
},
// private
renderChildren : function(suppressEvent){
if(suppressEvent !== false){
this.fireEvent("beforechildrenrendered", this);
}
var cs = this.childNodes;
for(var i = 0, len = cs.length; i < len; i++){
cs[i].render(true);
}
this.childrenRendered = true;
},
// private
sort : function(fn, scope){
Ext.tree.TreeNode.superclass.sort.apply(this, arguments);
if(this.childrenRendered){
var cs = this.childNodes;
for(var i = 0, len = cs.length; i < len; i++){
cs[i].render(true);
}
}
},
// private
render : function(bulkRender){
this.ui.render(bulkRender);
if(!this.rendered){
// make sure it is registered
this.getOwnerTree().registerNode(this);
this.rendered = true;
if(this.expanded){
this.expanded = false;
this.expand(false, false);
}
}
},
// private
renderIndent : function(deep, refresh){
if(refresh){
this.ui.childIndent = null;
}
this.ui.renderIndent();
if(deep === true && this.childrenRendered){
var cs = this.childNodes;
for(var i = 0, len = cs.length; i < len; i++){
cs[i].renderIndent(true, refresh);
}
}
},
beginUpdate : function(){
this.childrenRendered = false;
},
endUpdate : function(){
if(this.expanded && this.rendered){
this.renderChildren();
}
},
destroy : function(){
if(this.childNodes){
for(var i = 0,l = this.childNodes.length; i < l; i++){
this.childNodes[i].destroy();
}
this.childNodes = null;
}
if(this.ui.destroy){
this.ui.destroy();
}
},
// private
onIdChange: function(id){
this.ui.onIdChange(id);
}
});
Ext.tree.TreePanel.nodeTypes.node = Ext.tree.TreeNode;/**
* @class Ext.tree.AsyncTreeNode
* @extends Ext.tree.TreeNode
* @cfg {TreeLoader} loader A TreeLoader to be used by this node (defaults to the loader defined on the tree)
* @constructor
* @param {Object/String} attributes The attributes/config for the node or just a string with the text for the node
*/
Ext.tree.AsyncTreeNode = function(config){
this.loaded = config && config.loaded === true;
this.loading = false;
Ext.tree.AsyncTreeNode.superclass.constructor.apply(this, arguments);
/**
* @event beforeload
* Fires before this node is loaded, return false to cancel
* @param {Node} this This node
*/
this.addEvents('beforeload', 'load');
/**
* @event load
* Fires when this node is loaded
* @param {Node} this This node
*/
/**
* The loader used by this node (defaults to using the tree's defined loader)
* @type TreeLoader
* @property loader
*/
};
Ext.extend(Ext.tree.AsyncTreeNode, Ext.tree.TreeNode, {
expand : function(deep, anim, callback, scope){
if(this.loading){ // if an async load is already running, waiting til it's done
var timer;
var f = function(){
if(!this.loading){ // done loading
clearInterval(timer);
this.expand(deep, anim, callback, scope);
}
}.createDelegate(this);
timer = setInterval(f, 200);
return;
}
if(!this.loaded){
if(this.fireEvent("beforeload", this) === false){
return;
}
this.loading = true;
this.ui.beforeLoad(this);
var loader = this.loader || this.attributes.loader || this.getOwnerTree().getLoader();
if(loader){
loader.load(this, this.loadComplete.createDelegate(this, [deep, anim, callback, scope]), this);
return;
}
}
Ext.tree.AsyncTreeNode.superclass.expand.call(this, deep, anim, callback, scope);
},
/**
* Returns true if this node is currently loading
* @return {Boolean}
*/
isLoading : function(){
return this.loading;
},
loadComplete : function(deep, anim, callback, scope){
this.loading = false;
this.loaded = true;
this.ui.afterLoad(this);
this.fireEvent("load", this);
this.expand(deep, anim, callback, scope);
},
/**
* Returns true if this node has been loaded
* @return {Boolean}
*/
isLoaded : function(){
return this.loaded;
},
hasChildNodes : function(){
if(!this.isLeaf() && !this.loaded){
return true;
}else{
return Ext.tree.AsyncTreeNode.superclass.hasChildNodes.call(this);
}
},
/**
* Trigger a reload for this node
* @param {Function} callback
* @param {Object} scope (optional) The scope in which to execute the callback.
*/
reload : function(callback, scope){
this.collapse(false, false);
while(this.firstChild){
this.removeChild(this.firstChild).destroy();
}
this.childrenRendered = false;
this.loaded = false;
if(this.isHiddenRoot()){
this.expanded = false;
}
this.expand(false, false, callback, scope);
}
});
Ext.tree.TreePanel.nodeTypes.async = Ext.tree.AsyncTreeNode;/**
* @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 = function(node){
this.node = node;
this.rendered = false;
this.animating = false;
this.wasLeaf = true;
this.ecc = 'x-tree-ec-icon x-tree-elbow';
this.emptyIcon = Ext.BLANK_IMAGE_URL;
};
Ext.tree.TreeNodeUI.prototype = {
// 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
onDisableChange : function(node, state){
this.disabled = state;
if (this.checkbox) {
this.checkbox.disabled = state;
}
if(state){
this.addClass("x-tree-node-disabled");
}else{
this.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);
}
},
/**
* 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);
}
},
/**
* 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.addClass("x-tree-node-disabled");
if (this.checkbox) {
this.checkbox.disabled = 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];
},
/**
* Hides this node.
*/
hide : function(){
this.node.hidden = true;
if(this.wrap){
this.wrap.style.display = "none";
}
},
/**
* 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.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){}
}
},
/**
* 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} (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;
},
// private
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){
if(this.textNode.setAttributeNS){
this.textNode.setAttributeNS("ext", "qtip", a.qtip);
if(a.qtipTitle){
this.textNode.setAttributeNS("ext", "qtitle", a.qtipTitle);
}
}else{
this.textNode.setAttribute("ext:qtip", a.qtip);
if(a.qtipTitle){
this.textNode.setAttribute("ext:qtitle", 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 = typeof a.checked == 'boolean';
var href = a.href ? a.href : Ext.isGecko ? "" : "#";
var 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 src="', this.emptyIcon, '" class="x-tree-ec-icon x-tree-elbow" />',
'<img 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('');
var nel;
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;
},
/**
* Returns the <a> element that provides focus for the node's UI.
* @return {HtmlElement} The DOM anchor element.
*/
getAnchor : function(){
return this.anchor;
},
/**
* Returns the text node.
* @return {HtmlNode} The DOM text node.
*/
getTextEl : function(){
return this.textNode;
},
/**
* Returns the icon <img> element.
* @return {HtmlElement} The DOM image element.
*/
getIconEl : function(){
return this.iconNode;
},
/**
* 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;
var cls = n.isLast() ? "x-tree-elbow-end" : "x-tree-elbow";
var 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-leaf");
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 = [];
var p = this.node;
while(p){
if(!p.isRoot || (p.isRoot && p.ownerTree.rootVisible)){
if(!p.isLast()) {
buf.unshift('<img src="'+this.emptyIcon+'" class="x-tree-elbow-line" />');
} else {
buf.unshift('<img 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 = "";
var 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);
}
delete this.elNode;
delete this.ctNode;
delete this.indentNode;
delete this.ecNode;
delete this.iconNode;
delete this.checkbox;
delete this.anchor;
delete this.textNode;
if (this.holder){
delete this.wrap;
Ext.removeNode(this.holder);
delete this.holder;
}else{
Ext.removeNode(this.wrap);
delete this.wrap;
}
}
};
/**
* @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
});/**
* @class Ext.tree.TreeLoader
* @extends Ext.util.Observable
* A TreeLoader provides for lazy loading of an {@link Ext.tree.TreeNode}'s child
* nodes from a specified URL. The response must be a JavaScript Array definition
* whose elements are node definition objects. e.g.:
* <pre><code>
[{
id: 1,
text: 'A leaf Node',
leaf: true
},{
id: 2,
text: 'A folder Node',
children: [{
id: 3,
text: 'A child Node',
leaf: true
}]
}]
</code></pre>
* <br><br>
* A server request is sent, and child nodes are loaded only when a node is expanded.
* The loading node's id is passed to the server under the parameter name "node" to
* enable the server to produce the correct child nodes.
* <br><br>
* To pass extra parameters, an event handler may be attached to the "beforeload"
* event, and the parameters specified in the TreeLoader's baseParams property:
* <pre><code>
myTreeLoader.on("beforeload", function(treeLoader, node) {
this.baseParams.category = node.attributes.category;
}, this);
</code></pre>
* This would pass an HTTP parameter called "category" to the server containing
* the value of the Node's "category" attribute.
* @constructor
* Creates a new Treeloader.
* @param {Object} config A config object containing config properties.
*/
Ext.tree.TreeLoader = function(config){
this.baseParams = {};
Ext.apply(this, config);
this.addEvents(
/**
* @event beforeload
* Fires before a network request is made to retrieve the Json text which specifies a node's children.
* @param {Object} This TreeLoader object.
* @param {Object} node The {@link Ext.tree.TreeNode} object being loaded.
* @param {Object} callback The callback function specified in the {@link #load} call.
*/
"beforeload",
/**
* @event load
* Fires when the node has been successfuly loaded.
* @param {Object} This TreeLoader object.
* @param {Object} node The {@link Ext.tree.TreeNode} object being loaded.
* @param {Object} response The response object containing the data from the server.
*/
"load",
/**
* @event loadexception
* Fires if the network request failed.
* @param {Object} This TreeLoader object.
* @param {Object} node The {@link Ext.tree.TreeNode} object being loaded.
* @param {Object} response The response object containing the data from the server.
*/
"loadexception"
);
Ext.tree.TreeLoader.superclass.constructor.call(this);
if(typeof this.paramOrder == 'string'){
this.paramOrder = this.paramOrder.split(/[s,|]/);
}
};
Ext.extend(Ext.tree.TreeLoader, Ext.util.Observable, {
/**
* @cfg {String} dataUrl The URL from which to request a Json string which
* specifies an array of node definition objects representing the child nodes
* to be loaded.
*/
/**
* @cfg {String} requestMethod The HTTP request method for loading data (defaults to the value of {@link Ext.Ajax#method}).
*/
/**
* @cfg {String} url Equivalent to {@link #dataUrl}.
*/
/**
* @cfg {Boolean} preloadChildren If set to true, the loader recursively loads "children" attributes when doing the first load on nodes.
*/
/**
* @cfg {Object} baseParams (optional) An object containing properties which
* specify HTTP parameters to be passed to each request for child nodes.
*/
/**
* @cfg {Object} baseAttrs (optional) An object containing attributes to be added to all nodes
* created by this loader. If the attributes sent by the server have an attribute in this object,
* they take priority.
*/
/**
* @cfg {Object} uiProviders (optional) An object containing properties which
* specify custom {@link Ext.tree.TreeNodeUI} implementations. If the optional
* <i>uiProvider</i> attribute of a returned child node is a string rather
* than a reference to a TreeNodeUI implementation, then that string value
* is used as a property name in the uiProviders object.
*/
uiProviders : {},
/**
* @cfg {Boolean} clearOnLoad (optional) Default to true. Remove previously existing
* child nodes before loading.
*/
clearOnLoad : true,
/**
* @cfg {Array/String} paramOrder Defaults to <tt>undefined</tt>. Only used when using directFn.
* A list of params to be executed
* server side. Specify the params in the order in which they must be executed on the server-side
* as either (1) an Array of String values, or (2) a String of params delimited by either whitespace,
* comma, or pipe. For example,
* any of the following would be acceptable:<pre><code>
paramOrder: ['param1','param2','param3']
paramOrder: 'param1 param2 param3'
paramOrder: 'param1,param2,param3'
paramOrder: 'param1|param2|param'
</code></pre>
*/
paramOrder: undefined,
/**
* @cfg {Boolean} paramsAsHash Only used when using directFn.
* Send parameters as a collection of named arguments (defaults to <tt>false</tt>). Providing a
* <tt>{@link #paramOrder}</tt> nullifies this configuration.
*/
paramsAsHash: false,
/**
* @cfg {Function} directFn
* Function to call when executing a request.
*/
directFn : undefined,
/**
* Load an {@link Ext.tree.TreeNode} from the URL specified in the constructor.
* This is called automatically when a node is expanded, but may be used to reload
* a node (or append new children if the {@link #clearOnLoad} option is false.)
* @param {Ext.tree.TreeNode} node
* @param {Function} callback
* @param (Object) scope
*/
load : function(node, callback, scope){
if(this.clearOnLoad){
while(node.firstChild){
node.removeChild(node.firstChild);
}
}
if(this.doPreload(node)){ // preloaded json children
this.runCallback(callback, scope || node, []);
}else if(this.directFn || this.dataUrl || this.url){
this.requestData(node, callback, scope || node);
}
},
doPreload : function(node){
if(node.attributes.children){
if(node.childNodes.length < 1){ // preloaded?
var cs = node.attributes.children;
node.beginUpdate();
for(var i = 0, len = cs.length; i < len; i++){
var cn = node.appendChild(this.createNode(cs[i]));
if(this.preloadChildren){
this.doPreload(cn);
}
}
node.endUpdate();
}
return true;
}
return false;
},
getParams: function(node){
var buf = [], bp = this.baseParams;
if(this.directFn){
buf.push(node.id);
if(bp){
if(this.paramOrder){
for(var i = 0, len = this.paramOrder.length; i < len; i++){
buf.push(bp[this.paramOrder[i]]);
}
}else if(this.paramsAsHash){
buf.push(bp);
}
}
return buf;
}else{
for(var key in bp){
if(!Ext.isFunction(bp[key])){
buf.push(encodeURIComponent(key), "=", encodeURIComponent(bp[key]), "&");
}
}
buf.push("node=", encodeURIComponent(node.id));
return buf.join("");
}
},
requestData : function(node, callback, scope){
if(this.fireEvent("beforeload", this, node, callback) !== false){
if(this.directFn){
var args = this.getParams(node);
args.push(this.processDirectResponse.createDelegate(this, [{callback: callback, node: node, scope: scope}], true));
this.directFn.apply(window, args);
}else{
this.transId = Ext.Ajax.request({
method:this.requestMethod,
url: this.dataUrl||this.url,
success: this.handleResponse,
failure: this.handleFailure,
scope: this,
argument: {callback: callback, node: node, scope: scope},
params: this.getParams(node)
});
}
}else{
// if the load is cancelled, make sure we notify
// the node that we are done
this.runCallback(callback, scope || node, []);
}
},
processDirectResponse: function(result, response, args){
if(response.status){
this.handleResponse({
responseData: Ext.isArray(result) ? result : null,
responseText: result,
argument: args
});
}else{
this.handleFailure({
argument: args
});
}
},
// private
runCallback: function(cb, scope, args){
if(Ext.isFunction(cb)){
cb.apply(scope, args);
}
},
isLoading : function(){
return !!this.transId;
},
abort : function(){
if(this.isLoading()){
Ext.Ajax.abort(this.transId);
}
},
/**
* <p>Override this function for custom TreeNode node implementation, or to
* modify the attributes at creation time.</p>
* Example:<pre><code>
new Ext.tree.TreePanel({
...
new Ext.tree.TreeLoader({
url: 'dataUrl',
createNode: function(attr) {
// Allow consolidation consignments to have
// consignments dropped into them.
if (attr.isConsolidation) {
attr.iconCls = 'x-consol',
attr.allowDrop = true;
}
return Ext.tree.TreeLoader.prototype.call(this, attr);
}
}),
...
});
</code></pre>
* @param attr {Object} The attributes from which to create the new node.
*/
createNode : function(attr){
// apply baseAttrs, nice idea Corey!
if(this.baseAttrs){
Ext.applyIf(attr, this.baseAttrs);
}
if(this.applyLoader !== false){
attr.loader = this;
}
if(typeof attr.uiProvider == 'string'){
attr.uiProvider = this.uiProviders[attr.uiProvider] || eval(attr.uiProvider);
}
if(attr.nodeType){
return new Ext.tree.TreePanel.nodeTypes[attr.nodeType](attr);
}else{
return attr.leaf ?
new Ext.tree.TreeNode(attr) :
new Ext.tree.AsyncTreeNode(attr);
}
},
processResponse : function(response, node, callback, scope){
var json = response.responseText;
try {
var o = response.responseData || Ext.decode(json);
node.beginUpdate();
for(var i = 0, len = o.length; i < len; i++){
var n = this.createNode(o[i]);
if(n){
node.appendChild(n);
}
}
node.endUpdate();
this.runCallback(callback, scope || node, [node]);
}catch(e){
this.handleFailure(response);
}
},
handleResponse : function(response){
this.transId = false;
var a = response.argument;
this.processResponse(response, a.node, a.callback, a.scope);
this.fireEvent("load", this, a.node, response);
},
handleFailure : function(response){
this.transId = false;
var a = response.argument;
this.fireEvent("loadexception", this, a.node, response);
this.runCallback(a.callback, a.scope || a.node, [a.node]);
}
});/** * @class Ext.tree.TreeFilter * Note this class is experimental and doesn't update the indent (lines) or expand collapse icons of the nodes * @param {TreePanel} tree * @param {Object} config (optional) */ Ext.tree.TreeFilter = function(tree, config){ this.tree = tree; this.filtered = {}; Ext.apply(this, config); }; Ext.tree.TreeFilter.prototype = { clearBlank:false, reverse:false, autoClear:false, remove:false, /** * Filter the data by a specific attribute. * @param {String/RegExp} value Either string that the attribute value * should start with or a RegExp to test against the attribute * @param {String} attr (optional) The attribute passed in your node's attributes collection. Defaults to "text". * @param {TreeNode} startNode (optional) The node to start the filter at. */ filter : function(value, attr, startNode){ attr = attr || "text"; var f; if(typeof value == "string"){ var vlen = value.length; // auto clear empty filter if(vlen == 0 && this.clearBlank){ this.clear(); return; } value = value.toLowerCase(); f = function(n){ return n.attributes[attr].substr(0, vlen).toLowerCase() == value; }; }else if(value.exec){ // regex? f = function(n){ return value.test(n.attributes[attr]); }; }else{ throw 'Illegal filter type, must be string or regex'; } this.filterBy(f, null, startNode); }, /** * Filter by a function. The passed function will be called with each * node in the tree (or from the startNode). If the function returns true, the node is kept * otherwise it is filtered. If a node is filtered, its children are also filtered. * @param {Function} fn The filter function * @param {Object} scope (optional) The scope of the function (defaults to the current node) */ filterBy : function(fn, scope, startNode){ startNode = startNode || this.tree.root; if(this.autoClear){ this.clear(); } var af = this.filtered, rv = this.reverse; var f = function(n){ if(n == startNode){ return true; } if(af[n.id]){ return false; } var m = fn.call(scope || n, n); if(!m || rv){ af[n.id] = n; n.ui.hide(); return false; } return true; }; startNode.cascade(f); if(this.remove){ for(var id in af){ if(typeof id != "function"){ var n = af[id]; if(n && n.parentNode){ n.parentNode.removeChild(n); } } } } }, /** * Clears the current filter. Note: with the "remove" option * set a filter cannot be cleared. */ clear : function(){ var t = this.tree; var af = this.filtered; for(var id in af){ if(typeof id != "function"){ var n = af[id]; if(n){ n.ui.show(); } } } this.filtered = {}; } }; /**
* @class Ext.tree.TreeSorter
* Provides sorting of nodes in a {@link Ext.tree.TreePanel}. The TreeSorter automatically monitors events on the
* associated TreePanel that might affect the tree's sort order (beforechildrenrendered, append, insert and textchange).
* Example usage:<br />
* <pre><code>
new Ext.tree.TreeSorter(myTree, {
folderSort: true,
dir: "desc",
sortType: function(node) {
// sort by a custom, typed attribute:
return parseInt(node.id, 10);
}
});
</code></pre>
* @constructor
* @param {TreePanel} tree
* @param {Object} config
*/
Ext.tree.TreeSorter = function(tree, config){
/**
* @cfg {Boolean} folderSort True to sort leaf nodes under non-leaf nodes (defaults to false)
*/
/**
* @cfg {String} property The named attribute on the node to sort by (defaults to "text"). Note that this
* property is only used if no {@link #sortType} function is specified, otherwise it is ignored.
*/
/**
* @cfg {String} dir The direction to sort ("asc" or "desc," case-insensitive, defaults to "asc")
*/
/**
* @cfg {String} leafAttr The attribute used to determine leaf nodes when {@link #folderSort} = true (defaults to "leaf")
*/
/**
* @cfg {Boolean} caseSensitive true for case-sensitive sort (defaults to false)
*/
/**
* @cfg {Function} sortType A custom "casting" function used to convert node values before sorting. The function
* will be called with a single parameter (the {@link Ext.tree.TreeNode} being evaluated) and is expected to return
* the node's sort value cast to the specific data type required for sorting. This could be used, for example, when
* a node's text (or other attribute) should be sorted as a date or numeric value. See the class description for
* example usage. Note that if a sortType is specified, any {@link #property} config will be ignored.
*/
Ext.apply(this, config);
tree.on("beforechildrenrendered", this.doSort, this);
tree.on("append", this.updateSort, this);
tree.on("insert", this.updateSort, this);
tree.on("textchange", this.updateSortParent, this);
var dsc = this.dir && this.dir.toLowerCase() == "desc";
var p = this.property || "text";
var sortType = this.sortType;
var fs = this.folderSort;
var cs = this.caseSensitive === true;
var leafAttr = this.leafAttr || 'leaf';
this.sortFn = function(n1, n2){
if(fs){
if(n1.attributes[leafAttr] && !n2.attributes[leafAttr]){
return 1;
}
if(!n1.attributes[leafAttr] && n2.attributes[leafAttr]){
return -1;
}
}
var v1 = sortType ? sortType(n1) : (cs ? n1.attributes[p] : n1.attributes[p].toUpperCase());
var v2 = sortType ? sortType(n2) : (cs ? n2.attributes[p] : n2.attributes[p].toUpperCase());
if(v1 < v2){
return dsc ? +1 : -1;
}else if(v1 > v2){
return dsc ? -1 : +1;
}else{
return 0;
}
};
};
Ext.tree.TreeSorter.prototype = {
doSort : function(node){
node.sort(this.sortFn);
},
compareNodes : function(n1, n2){
return (n1.text.toUpperCase() > n2.text.toUpperCase() ? 1 : -1);
},
updateSort : function(tree, node){
if(node.childrenRendered){
this.doSort.defer(1, this, [node]);
}
},
updateSortParent : function(node){
var p = node.parentNode;
if(p && p.childrenRendered){
this.doSort.defer(1, this, [p]);
}
}
};/**
* @class Ext.tree.TreeDropZone
* @extends Ext.dd.DropZone
* @constructor
* @param {String/HTMLElement/Element} tree The {@link Ext.tree.TreePanel} for which to enable dropping
* @param {Object} config
*/
if(Ext.dd.DropZone){
Ext.tree.TreeDropZone = function(tree, config){
/**
* @cfg {Boolean} allowParentInsert
* Allow inserting a dragged node between an expanded parent node and its first child that will become a
* sibling of the parent when dropped (defaults to false)
*/
this.allowParentInsert = config.allowParentInsert || false;
/**
* @cfg {String} allowContainerDrop
* True if drops on the tree container (outside of a specific tree node) are allowed (defaults to false)
*/
this.allowContainerDrop = config.allowContainerDrop || false;
/**
* @cfg {String} appendOnly
* True if the tree should only allow append drops (use for trees which are sorted, defaults to false)
*/
this.appendOnly = config.appendOnly || false;
Ext.tree.TreeDropZone.superclass.constructor.call(this, tree.getTreeEl(), config);
/**
* The TreePanel for this drop zone
* @type Ext.tree.TreePanel
* @property
*/
this.tree = tree;
/**
* Arbitrary data that can be associated with this tree and will be included in the event object that gets
* passed to any nodedragover event handler (defaults to {})
* @type Ext.tree.TreePanel
* @property
*/
this.dragOverData = {};
// private
this.lastInsertClass = "x-tree-no-status";
};
Ext.extend(Ext.tree.TreeDropZone, Ext.dd.DropZone, {
/**
* @cfg {String} ddGroup
* A named drag drop group to which this object belongs. If a group is specified, then this object will only
* interact with other drag drop objects in the same group (defaults to 'TreeDD').
*/
ddGroup : "TreeDD",
/**
* @cfg {String} expandDelay
* The delay in milliseconds to wait before expanding a target tree node while dragging a droppable node
* over the target (defaults to 1000)
*/
expandDelay : 1000,
// private
expandNode : function(node){
if(node.hasChildNodes() && !node.isExpanded()){
node.expand(false, null, this.triggerCacheRefresh.createDelegate(this));
}
},
// private
queueExpand : function(node){
this.expandProcId = this.expandNode.defer(this.expandDelay, this, [node]);
},
// private
cancelExpand : function(){
if(this.expandProcId){
clearTimeout(this.expandProcId);
this.expandProcId = false;
}
},
// private
isValidDropPoint : function(n, pt, dd, e, data){
if(!n || !data){ return false; }
var targetNode = n.node;
var dropNode = data.node;
// default drop rules
if(!(targetNode && targetNode.isTarget && pt)){
return false;
}
if(pt == "append" && targetNode.allowChildren === false){
return false;
}
if((pt == "above" || pt == "below") && (targetNode.parentNode && targetNode.parentNode.allowChildren === false)){
return false;
}
if(dropNode && (targetNode == dropNode || dropNode.contains(targetNode))){
return false;
}
// reuse the object
var overEvent = this.dragOverData;
overEvent.tree = this.tree;
overEvent.target = targetNode;
overEvent.data = data;
overEvent.point = pt;
overEvent.source = dd;
overEvent.rawEvent = e;
overEvent.dropNode = dropNode;
overEvent.cancel = false;
var result = this.tree.fireEvent("nodedragover", overEvent);
return overEvent.cancel === false && result !== false;
},
// private
getDropPoint : function(e, n, dd){
var tn = n.node;
if(tn.isRoot){
return tn.allowChildren !== false ? "append" : false; // always append for root
}
var dragEl = n.ddel;
var t = Ext.lib.Dom.getY(dragEl), b = t + dragEl.offsetHeight;
var y = Ext.lib.Event.getPageY(e);
var noAppend = tn.allowChildren === false || tn.isLeaf();
if(this.appendOnly || tn.parentNode.allowChildren === false){
return noAppend ? false : "append";
}
var noBelow = false;
if(!this.allowParentInsert){
noBelow = tn.hasChildNodes() && tn.isExpanded();
}
var q = (b - t) / (noAppend ? 2 : 3);
if(y >= t && y < (t + q)){
return "above";
}else if(!noBelow && (noAppend || y >= b-q && y <= b)){
return "below";
}else{
return "append";
}
},
// private
onNodeEnter : function(n, dd, e, data){
this.cancelExpand();
},
onContainerOver : function(dd, e, data) {
if (this.allowContainerDrop && this.isValidDropPoint({ ddel: this.tree.getRootNode().ui.elNode, node: this.tree.getRootNode() }, "append", dd, e, data)) {
return this.dropAllowed;
}
return this.dropNotAllowed;
},
// private
onNodeOver : function(n, dd, e, data){
var pt = this.getDropPoint(e, n, dd);
var node = n.node;
// auto node expand check
if(!this.expandProcId && pt == "append" && node.hasChildNodes() && !n.node.isExpanded()){
this.queueExpand(node);
}else if(pt != "append"){
this.cancelExpand();
}
// set the insert point style on the target node
var returnCls = this.dropNotAllowed;
if(this.isValidDropPoint(n, pt, dd, e, data)){
if(pt){
var el = n.ddel;
var cls;
if(pt == "above"){
returnCls = n.node.isFirst() ? "x-tree-drop-ok-above" : "x-tree-drop-ok-between";
cls = "x-tree-drag-insert-above";
}else if(pt == "below"){
returnCls = n.node.isLast() ? "x-tree-drop-ok-below" : "x-tree-drop-ok-between";
cls = "x-tree-drag-insert-below";
}else{
returnCls = "x-tree-drop-ok-append";
cls = "x-tree-drag-append";
}
if(this.lastInsertClass != cls){
Ext.fly(el).replaceClass(this.lastInsertClass, cls);
this.lastInsertClass = cls;
}
}
}
return returnCls;
},
// private
onNodeOut : function(n, dd, e, data){
this.cancelExpand();
this.removeDropIndicators(n);
},
// private
onNodeDrop : function(n, dd, e, data){
var point = this.getDropPoint(e, n, dd);
var targetNode = n.node;
targetNode.ui.startDrop();
if(!this.isValidDropPoint(n, point, dd, e, data)){
targetNode.ui.endDrop();
return false;
}
// first try to find the drop node
var dropNode = data.node || (dd.getTreeNode ? dd.getTreeNode(data, targetNode, point, e) : null);
return this.processDrop(targetNode, data, point, dd, e, dropNode);
},
onContainerDrop : function(dd, e, data){
if (this.allowContainerDrop && this.isValidDropPoint({ ddel: this.tree.getRootNode().ui.elNode, node: this.tree.getRootNode() }, "append", dd, e, data)) {
var targetNode = this.tree.getRootNode();
targetNode.ui.startDrop();
var dropNode = data.node || (dd.getTreeNode ? dd.getTreeNode(data, targetNode, 'append', e) : null);
return this.processDrop(targetNode, data, 'append', dd, e, dropNode);
}
return false;
},
// private
processDrop: function(target, data, point, dd, e, dropNode){
var dropEvent = {
tree : this.tree,
target: target,
data: data,
point: point,
source: dd,
rawEvent: e,
dropNode: dropNode,
cancel: !dropNode,
dropStatus: false
};
var retval = this.tree.fireEvent("beforenodedrop", dropEvent);
if(retval === false || dropEvent.cancel === true || !dropEvent.dropNode){
target.ui.endDrop();
return dropEvent.dropStatus;
}
target = dropEvent.target;
if(point == 'append' && !target.isExpanded()){
target.expand(false, null, function(){
this.completeDrop(dropEvent);
}.createDelegate(this));
}else{
this.completeDrop(dropEvent);
}
return true;
},
// private
completeDrop : function(de){
var ns = de.dropNode, p = de.point, t = de.target;
if(!Ext.isArray(ns)){
ns = [ns];
}
var n;
for(var i = 0, len = ns.length; i < len; i++){
n = ns[i];
if(p == "above"){
t.parentNode.insertBefore(n, t);
}else if(p == "below"){
t.parentNode.insertBefore(n, t.nextSibling);
}else{
t.appendChild(n);
}
}
n.ui.focus();
if(Ext.enableFx && this.tree.hlDrop){
n.ui.highlight();
}
t.ui.endDrop();
this.tree.fireEvent("nodedrop", de);
},
// private
afterNodeMoved : function(dd, data, e, targetNode, dropNode){
if(Ext.enableFx && this.tree.hlDrop){
dropNode.ui.focus();
dropNode.ui.highlight();
}
this.tree.fireEvent("nodedrop", this.tree, targetNode, data, dd, e);
},
// private
getTree : function(){
return this.tree;
},
// private
removeDropIndicators : function(n){
if(n && n.ddel){
var el = n.ddel;
Ext.fly(el).removeClass([
"x-tree-drag-insert-above",
"x-tree-drag-insert-below",
"x-tree-drag-append"]);
this.lastInsertClass = "_noclass";
}
},
// private
beforeDragDrop : function(target, e, id){
this.cancelExpand();
return true;
},
// private
afterRepair : function(data){
if(data && Ext.enableFx){
data.node.ui.highlight();
}
this.hideProxy();
}
});
}/**
* @class Ext.tree.TreeDragZone
* @extends Ext.dd.DragZone
* @constructor
* @param {String/HTMLElement/Element} tree The {@link Ext.tree.TreePanel} for which to enable dragging
* @param {Object} config
*/
if(Ext.dd.DragZone){
Ext.tree.TreeDragZone = function(tree, config){
Ext.tree.TreeDragZone.superclass.constructor.call(this, tree.innerCt, config);
/**
* The TreePanel for this drag zone
* @type Ext.tree.TreePanel
* @property
*/
this.tree = tree;
};
Ext.extend(Ext.tree.TreeDragZone, Ext.dd.DragZone, {