(function () {
var Dom = YAHOO.util.Dom,
Lang = YAHOO.lang,
Event = YAHOO.util.Event;
/**
* The default node presentation. The first parameter should be
* either a string that will be used as the node's label, or an object
* that has at least a string property called label. By default, clicking the
* label will toggle the expanded/collapsed state of the node. By
* setting the href property of the instance, this behavior can be
* changed so that the label will go to the specified href.
* @namespace YAHOO.widget
* @class TextNode
* @extends YAHOO.widget.Node
* @constructor
* @param oData {object} a string or object containing the data that will
* be used to render this node.
* Providing a string is the same as providing an object with a single property named label.
* All values in the oData will be used to set equally named properties in the node
* as long as the node does have such properties, they are not undefined, private or functions.
* All attributes are made available in noderef.data, which
* can be used to store custom attributes. TreeView.getNode(s)ByProperty
* can be used to retrieve a node by one of the attributes.
* @param oParent {YAHOO.widget.Node} this node's parent node
* @param expanded {boolean} the initial expanded/collapsed state (deprecated; use oData.expanded)
*/
YAHOO.widget.TextNode = function(oData, oParent, expanded) {
if (oData) {
if (Lang.isString(oData)) {
oData = { label: oData };
}
this.init(oData, oParent, expanded);
this.setUpLabel(oData);
}
this.logger = new YAHOO.widget.LogWriter(this.toString());
};
YAHOO.extend(YAHOO.widget.TextNode, YAHOO.widget.Node, {
/**
* The CSS class for the label href. Defaults to ygtvlabel, but can be
* overridden to provide a custom presentation for a specific node.
* @property labelStyle
* @type string
*/
labelStyle: "ygtvlabel",
/**
* The derived element id of the label for this node
* @property labelElId
* @type string
*/
labelElId: null,
/**
* The text for the label. It is assumed that the oData parameter will
* either be a string that will be used as the label, or an object that
* has a property called "label" that we will use.
* @property label
* @type string
*/
label: null,
/**
* The text for the title (tooltip) for the label element
* @property title
* @type string
*/
title: null,
/**
* The href for the node's label. If one is not specified, the href will
* be set so that it toggles the node.
* @property href
* @type string
*/
href: null,
/**
* The label href target, defaults to current window
* @property target
* @type string
*/
target: "_self",
/**
* The node type
* @property _type
* @private
* @type string
* @default "TextNode"
*/
_type: "TextNode",
/**
* Sets up the node label
* @method setUpLabel
* @param oData string containing the label, or an object with a label property
*/
setUpLabel: function(oData) {
if (Lang.isString(oData)) {
oData = {
label: oData
};
} else {
if (oData.style) {
this.labelStyle = oData.style;
}
}
this.label = oData.label;
this.labelElId = "ygtvlabelel" + this.index;
},
/**
* Returns the label element
* @for YAHOO.widget.TextNode
* @method getLabelEl
* @return {object} the element
*/
getLabelEl: function() {
return Dom.get(this.labelElId);
},
// overrides YAHOO.widget.Node
getContentHtml: function() {
var sb = [];
sb[sb.length] = this.href?'<a':'<span';
sb[sb.length] = ' id="' + this.labelElId + '"';
sb[sb.length] = ' class="' + this.labelStyle + '"';
if (this.href) {
sb[sb.length] = ' href="' + this.href + '"';
sb[sb.length] = ' target="' + this.target + '"';
}
if (this.title) {
sb[sb.length] = ' title="' + this.title + '"';
}
sb[sb.length] = ' >';
sb[sb.length] = this.label;
sb[sb.length] = this.href?'</a>':'</span>';
return sb.join("");
},
/**
* Returns an object which could be used to build a tree out of this node and its children.
* It can be passed to the tree constructor to reproduce this node as a tree.
* It will return false if the node or any descendant loads dynamically, regardless of whether it is loaded or not.
* @method getNodeDefinition
* @return {Object | false} definition of the tree or false if this node or any descendant is defined as dynamic
*/
getNodeDefinition: function() {
var def = YAHOO.widget.TextNode.superclass.getNodeDefinition.call(this);
if (def === false) { return false; }
// Node specific properties
def.label = this.label;
if (this.labelStyle != 'ygtvlabel') { def.style = this.labelStyle; }
if (this.title) { def.title = this.title; }
if (this.href) { def.href = this.href; }
if (this.target != '_self') { def.target = this.target; }
return def;
},
toString: function() {
return YAHOO.widget.TextNode.superclass.toString.call(this) + ": " + this.label;
},
// deprecated
onLabelClick: function() {
return false;
},
refresh: function() {
YAHOO.widget.TextNode.superclass.refresh.call(this);
var label = this.getLabelEl();
label.innerHTML = this.label;
if (label.tagName.toUpperCase() == 'A') {
label.href = this.href;
label.target = this.target;
}
}
});
})();