##// END OF EJS Templates
rewrote templates, all small pages will inherit from root for easier changes and controll
rewrote templates, all small pages will inherit from root for easier changes and controll

File last commit:

r1073:289ff43c beta
r1157:41241617 beta
Show More
treeview-debug.js
4058 lines | 130.4 KiB | application/javascript | JavascriptLexer
/*
Copyright (c) 2010, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.com/yui/license.html
version: 2.8.2r1
*/
(function () {
var Dom = YAHOO.util.Dom,
Event = YAHOO.util.Event,
Lang = YAHOO.lang,
Widget = YAHOO.widget;
/**
* The treeview widget is a generic tree building tool.
* @module treeview
* @title TreeView Widget
* @requires yahoo, dom, event
* @optional animation, json, calendar
* @namespace YAHOO.widget
*/
/**
* Contains the tree view state data and the root node.
*
* @class TreeView
* @uses YAHOO.util.EventProvider
* @constructor
* @param {string|HTMLElement} id The id of the element, or the element itself that the tree will be inserted into.
* Existing markup in this element, if valid, will be used to build the tree
* @param {Array|Object|String} oConfig (optional) If present, it will be used to build the tree via method <a href="#method_buildTreeFromObject">buildTreeFromObject</a>
*
*/
YAHOO.widget.TreeView = function(id, oConfig) {
if (id) { this.init(id); }
if (oConfig) {
this.buildTreeFromObject(oConfig);
} else if (Lang.trim(this._el.innerHTML)) {
this.buildTreeFromMarkup(id);
}
};
var TV = Widget.TreeView;
TV.prototype = {
/**
* The id of tree container element
* @property id
* @type String
*/
id: null,
/**
* The host element for this tree
* @property _el
* @private
* @type HTMLelement
*/
_el: null,
/**
* Flat collection of all nodes in this tree. This is a sparse
* array, so the length property can't be relied upon for a
* node count for the tree.
* @property _nodes
* @type Node[]
* @private
*/
_nodes: null,
/**
* We lock the tree control while waiting for the dynamic loader to return
* @property locked
* @type boolean
*/
locked: false,
/**
* The animation to use for expanding children, if any
* @property _expandAnim
* @type string
* @private
*/
_expandAnim: null,
/**
* The animation to use for collapsing children, if any
* @property _collapseAnim
* @type string
* @private
*/
_collapseAnim: null,
/**
* The current number of animations that are executing
* @property _animCount
* @type int
* @private
*/
_animCount: 0,
/**
* The maximum number of animations to run at one time.
* @property maxAnim
* @type int
*/
maxAnim: 2,
/**
* Whether there is any subscriber to dblClickEvent
* @property _hasDblClickSubscriber
* @type boolean
* @private
*/
_hasDblClickSubscriber: false,
/**
* Stores the timer used to check for double clicks
* @property _dblClickTimer
* @type window.timer object
* @private
*/
_dblClickTimer: null,
/**
* A reference to the Node currently having the focus or null if none.
* @property currentFocus
* @type YAHOO.widget.Node
*/
currentFocus: null,
/**
* If true, only one Node can be highlighted at a time
* @property singleNodeHighlight
* @type boolean
* @default false
*/
singleNodeHighlight: false,
/**
* A reference to the Node that is currently highlighted.
* It is only meaningful if singleNodeHighlight is enabled
* @property _currentlyHighlighted
* @type YAHOO.widget.Node
* @default null
* @private
*/
_currentlyHighlighted: null,
/**
* Sets up the animation for expanding children
* @method setExpandAnim
* @param {string} type the type of animation (acceptable values defined
* in YAHOO.widget.TVAnim)
*/
setExpandAnim: function(type) {
this._expandAnim = (Widget.TVAnim.isValid(type)) ? type : null;
},
/**
* Sets up the animation for collapsing children
* @method setCollapseAnim
* @param {string} type of animation (acceptable values defined in
* YAHOO.widget.TVAnim)
*/
setCollapseAnim: function(type) {
this._collapseAnim = (Widget.TVAnim.isValid(type)) ? type : null;
},
/**
* Perform the expand animation if configured, or just show the
* element if not configured or too many animations are in progress
* @method animateExpand
* @param el {HTMLElement} the element to animate
* @param node {YAHOO.util.Node} the node that was expanded
* @return {boolean} true if animation could be invoked, false otherwise
*/
animateExpand: function(el, node) {
this.logger.log("animating expand");
if (this._expandAnim && this._animCount < this.maxAnim) {
// this.locked = true;
var tree = this;
var a = Widget.TVAnim.getAnim(this._expandAnim, el,
function() { tree.expandComplete(node); });
if (a) {
++this._animCount;
this.fireEvent("animStart", {
"node": node,
"type": "expand"
});
a.animate();
}
return true;
}
return false;
},
/**
* Perform the collapse animation if configured, or just show the
* element if not configured or too many animations are in progress
* @method animateCollapse
* @param el {HTMLElement} the element to animate
* @param node {YAHOO.util.Node} the node that was expanded
* @return {boolean} true if animation could be invoked, false otherwise
*/
animateCollapse: function(el, node) {
this.logger.log("animating collapse");
if (this._collapseAnim && this._animCount < this.maxAnim) {
// this.locked = true;
var tree = this;
var a = Widget.TVAnim.getAnim(this._collapseAnim, el,
function() { tree.collapseComplete(node); });
if (a) {
++this._animCount;
this.fireEvent("animStart", {
"node": node,
"type": "collapse"
});
a.animate();
}
return true;
}
return false;
},
/**
* Function executed when the expand animation completes
* @method expandComplete
*/
expandComplete: function(node) {
this.logger.log("expand complete: " + this.id);
--this._animCount;
this.fireEvent("animComplete", {
"node": node,
"type": "expand"
});
// this.locked = false;
},
/**
* Function executed when the collapse animation completes
* @method collapseComplete
*/
collapseComplete: function(node) {
this.logger.log("collapse complete: " + this.id);
--this._animCount;
this.fireEvent("animComplete", {
"node": node,
"type": "collapse"
});
// this.locked = false;
},
/**
* Initializes the tree
* @method init
* @parm {string|HTMLElement} id the id of the element that will hold the tree
* @private
*/
init: function(id) {
this._el = Dom.get(id);
this.id = Dom.generateId(this._el,"yui-tv-auto-id-");
/**
* When animation is enabled, this event fires when the animation
* starts
* @event animStart
* @type CustomEvent
* @param {YAHOO.widget.Node} oArgs.node the node that is expanding/collapsing
* @param {String} oArgs.type the type of animation ("expand" or "collapse")
*/
this.createEvent("animStart", this);
/**
* When animation is enabled, this event fires when the animation
* completes
* @event animComplete
* @type CustomEvent
* @param {YAHOO.widget.Node} oArgs.node the node that is expanding/collapsing
* @param {String} oArgs.type the type of animation ("expand" or "collapse")
*/
this.createEvent("animComplete", this);
/**
* Fires when a node is going to be collapsed. Return false to stop
* the collapse.
* @event collapse
* @type CustomEvent
* @param {YAHOO.widget.Node} node the node that is collapsing
*/
this.createEvent("collapse", this);
/**
* Fires after a node is successfully collapsed. This event will not fire
* if the "collapse" event was cancelled.
* @event collapseComplete
* @type CustomEvent
* @param {YAHOO.widget.Node} node the node that was collapsed
*/
this.createEvent("collapseComplete", this);
/**
* Fires when a node is going to be expanded. Return false to stop
* the collapse.
* @event expand
* @type CustomEvent
* @param {YAHOO.widget.Node} node the node that is expanding
*/
this.createEvent("expand", this);
/**
* Fires after a node is successfully expanded. This event will not fire
* if the "expand" event was cancelled.
* @event expandComplete
* @type CustomEvent
* @param {YAHOO.widget.Node} node the node that was expanded
*/
this.createEvent("expandComplete", this);
/**
* Fires when the Enter key is pressed on a node that has the focus
* @event enterKeyPressed
* @type CustomEvent
* @param {YAHOO.widget.Node} node the node that has the focus
*/
this.createEvent("enterKeyPressed", this);
/**
* Fires when the label in a TextNode or MenuNode or content in an HTMLNode receives a Click.
* The listener may return false to cancel toggling and focusing on the node.
* @event clickEvent
* @type CustomEvent
* @param oArgs.event {HTMLEvent} The event object
* @param oArgs.node {YAHOO.widget.Node} node the node that was clicked
*/
this.createEvent("clickEvent", this);
/**
* Fires when the focus receives the focus, when it changes from a Node
* to another Node or when it is completely lost (blurred)
* @event focusChanged
* @type CustomEvent
* @param oArgs.oldNode {YAHOO.widget.Node} Node that had the focus or null if none
* @param oArgs.newNode {YAHOO.widget.Node} Node that receives the focus or null if none
*/
this.createEvent('focusChanged',this);
/**
* Fires when the label in a TextNode or MenuNode or content in an HTMLNode receives a double Click
* @event dblClickEvent
* @type CustomEvent
* @param oArgs.event {HTMLEvent} The event object
* @param oArgs.node {YAHOO.widget.Node} node the node that was clicked
*/
var self = this;
this.createEvent("dblClickEvent", {
scope:this,
onSubscribeCallback: function() {
self._hasDblClickSubscriber = true;
}
});
/**
* Custom event that is fired when the text node label is clicked.
* The node clicked is provided as an argument
*
* @event labelClick
* @type CustomEvent
* @param {YAHOO.widget.Node} node the node clicked
* @deprecated use clickEvent or dblClickEvent
*/
this.createEvent("labelClick", this);
/**
* Custom event fired when the highlight of a node changes.
* The node that triggered the change is provided as an argument:
* The status of the highlight can be checked in
* <a href="YAHOO.widget.Node.html#property_highlightState">nodeRef.highlightState</a>.
* Depending on <a href="YAHOO.widget.Node.html#property_propagateHighlight">nodeRef.propagateHighlight</a>, other nodes might have changed
* @event highlightEvent
* @type CustomEvent
* @param node {YAHOO.widget.Node} the node that started the change in highlighting state
*/
this.createEvent("highlightEvent",this);
this._nodes = [];
// store a global reference
TV.trees[this.id] = this;
// Set up the root node
this.root = new Widget.RootNode(this);
var LW = Widget.LogWriter;
this.logger = (LW) ? new LW(this.toString()) : YAHOO;
this.logger.log("tree init: " + this.id);
if (this._initEditor) {
this._initEditor();
}
// YAHOO.util.Event.onContentReady(this.id, this.handleAvailable, this, true);
// YAHOO.util.Event.on(this.id, "click", this.handleClick, this, true);
},
//handleAvailable: function() {
//var Event = YAHOO.util.Event;
//Event.on(this.id,
//},
/**
* Builds the TreeView from an object.
* This is the method called by the constructor to build the tree when it has a second argument.
* A tree can be described by an array of objects, each object corresponding to a node.
* Node descriptions may contain values for any property of a node plus the following extra properties: <ul>
* <li>type: can be one of the following:<ul>
* <li> A shortname for a node type (<code>'text','menu','html'</code>) </li>
* <li>The name of a Node class under YAHOO.widget (<code>'TextNode', 'MenuNode', 'DateNode'</code>, etc) </li>
* <li>a reference to an actual class: <code>YAHOO.widget.DateNode</code></li>
* </ul></li>
* <li>children: an array containing further node definitions</li></ul>
* A string instead of an object will produce a node of type 'text' with the given string as its label.
* @method buildTreeFromObject
* @param oConfig {Array|Object|String} array containing a full description of the tree.
* An object or a string will be turned into an array with the given object or string as its only element.
*
*/
buildTreeFromObject: function (oConfig) {
var logger = this.logger;
logger.log('Building tree from object');
var build = function (parent, oConfig) {
var i, item, node, children, type, NodeType, ThisType;
for (i = 0; i < oConfig.length; i++) {
item = oConfig[i];
if (Lang.isString(item)) {
node = new Widget.TextNode(item, parent);
} else if (Lang.isObject(item)) {
children = item.children;
delete item.children;
type = item.type || 'text';
delete item.type;
switch (Lang.isString(type) && type.toLowerCase()) {
case 'text':
node = new Widget.TextNode(item, parent);
break;
case 'menu':
node = new Widget.MenuNode(item, parent);
break;
case 'html':
node = new Widget.HTMLNode(item, parent);
break;
default:
if (Lang.isString(type)) {
NodeType = Widget[type];
} else {
NodeType = type;
}
if (Lang.isObject(NodeType)) {
for (ThisType = NodeType; ThisType && ThisType !== Widget.Node; ThisType = ThisType.superclass.constructor) {}
if (ThisType) {
node = new NodeType(item, parent);
} else {
logger.log('Invalid type in node definition: ' + type,'error');
}
} else {
logger.log('Invalid type in node definition: ' + type,'error');
}
}
if (children) {
build(node,children);
}
} else {
logger.log('Invalid node definition','error');
}
}
};
if (!Lang.isArray(oConfig)) {
oConfig = [oConfig];
}
build(this.root,oConfig);
},
/**
* Builds the TreeView from existing markup. Markup should consist of &lt;UL&gt; or &lt;OL&gt; elements containing &lt;LI&gt; elements.
* Each &lt;LI&gt; can have one element used as label and a second optional element which is to be a &lt;UL&gt; or &lt;OL&gt;
* containing nested nodes.
* Depending on what the first element of the &lt;LI&gt; element is, the following Nodes will be created: <ul>
* <li>plain text: a regular TextNode</li>
* <li>anchor &lt;A&gt;: a TextNode with its <code>href</code> and <code>target</code> taken from the anchor</li>
* <li>anything else: an HTMLNode</li></ul>
* Only the first outermost (un-)ordered list in the markup and its children will be parsed.
* Nodes will be collapsed unless an &lt;LI&gt; tag has a className called 'expanded'.
* All other className attributes will be copied over to the Node className property.
* If the &lt;LI&gt; element contains an attribute called <code>yuiConfig</code>, its contents should be a JSON-encoded object
* as the one used in method <a href="#method_buildTreeFromObject">buildTreeFromObject</a>.
* @method buildTreeFromMarkup
* @param id {string|HTMLElement} The id of the element that contains the markup or a reference to it.
*/
buildTreeFromMarkup: function (id) {
this.logger.log('Building tree from existing markup');
var build = function (markup) {
var el, child, branch = [], config = {}, label, yuiConfig;
// Dom's getFirstChild and getNextSibling skip over text elements
for (el = Dom.getFirstChild(markup); el; el = Dom.getNextSibling(el)) {
switch (el.tagName.toUpperCase()) {
case 'LI':
label = '';
config = {
expanded: Dom.hasClass(el,'expanded'),
title: el.title || el.alt || null,
className: Lang.trim(el.className.replace(/\bexpanded\b/,'')) || null
};
// I cannot skip over text elements here because I want them for labels
child = el.firstChild;
if (child.nodeType == 3) {
// nodes with only whitespace, tabs and new lines don't count, they are probably just formatting.
label = Lang.trim(child.nodeValue.replace(/[\n\t\r]*/g,''));
if (label) {
config.type = 'text';
config.label = label;
} else {
child = Dom.getNextSibling(child);
}
}
if (!label) {
if (child.tagName.toUpperCase() == 'A') {
config.type = 'text';
config.label = child.innerHTML;
config.href = child.href;
config.target = child.target;
config.title = child.title || child.alt || config.title;
} else {
config.type = 'html';
var d = document.createElement('div');
d.appendChild(child.cloneNode(true));
config.html = d.innerHTML;
config.hasIcon = true;
}
}
// see if after the label it has a further list which will become children of this node.
child = Dom.getNextSibling(child);
switch (child && child.tagName.toUpperCase()) {
case 'UL':
case 'OL':
config.children = build(child);
break;
}
// if there are further elements or text, it will be ignored.
if (YAHOO.lang.JSON) {
yuiConfig = el.getAttribute('yuiConfig');
if (yuiConfig) {
yuiConfig = YAHOO.lang.JSON.parse(yuiConfig);
config = YAHOO.lang.merge(config,yuiConfig);
}
}
branch.push(config);
break;
case 'UL':
case 'OL':
this.logger.log('ULs or OLs can only contain LI elements, not other UL or OL. This will not work in some browsers','error');
config = {
type: 'text',
label: '',
children: build(child)
};
branch.push(config);
break;
}
}
return branch;
};
var markup = Dom.getChildrenBy(Dom.get(id),function (el) {
var tag = el.tagName.toUpperCase();
return tag == 'UL' || tag == 'OL';
});
if (markup.length) {
this.buildTreeFromObject(build(markup[0]));
} else {
this.logger.log('Markup contains no UL or OL elements','warn');
}
},
/**
* Returns the TD element where the event has occurred
* @method _getEventTargetTdEl
* @private
*/
_getEventTargetTdEl: function (ev) {
var target = Event.getTarget(ev);
// go up looking for a TD with a className with a ygtv prefix
while (target && !(target.tagName.toUpperCase() == 'TD' && Dom.hasClass(target.parentNode,'ygtvrow'))) {
target = Dom.getAncestorByTagName(target,'td');
}
if (Lang.isNull(target)) { return null; }
// If it is a spacer cell, do nothing
if (/\bygtv(blank)?depthcell/.test(target.className)) { return null;}
// If it has an id, search for the node number and see if it belongs to a node in this tree.
if (target.id) {
var m = target.id.match(/\bygtv([^\d]*)(.*)/);
if (m && m[2] && this._nodes[m[2]]) {
return target;
}
}
return null;
},
/**
* Event listener for click events
* @method _onClickEvent
* @private
*/
_onClickEvent: function (ev) {
var self = this,
td = this._getEventTargetTdEl(ev),
node,
target,
toggle = function (force) {
node.focus();
if (force || !node.href) {
node.toggle();
try {
Event.preventDefault(ev);
} catch (e) {
// @TODO
// For some reason IE8 is providing an event object with
// most of the fields missing, but only when clicking on
// the node's label, and only when working with inline
// editing. This generates a "Member not found" error
// in that browser. Determine if this is a browser
// bug, or a problem with this code. Already checked to
// see if the problem has to do with access the event
// in the outer scope, and that isn't the problem.
// Maybe the markup for inline editing is broken.
}
}
};
if (!td) {
return;
}
node = this.getNodeByElement(td);
if (!node) {
return;
}
// exception to handle deprecated event labelClick
// @TODO take another look at this deprecation. It is common for people to
// only be interested in the label click, so why make them have to test
// the node type to figure out whether the click was on the label?
target = Event.getTarget(ev);
if (Dom.hasClass(target, node.labelStyle) || Dom.getAncestorByClassName(target,node.labelStyle)) {
this.logger.log("onLabelClick " + node.label);
this.fireEvent('labelClick',node);
}
// If it is a toggle cell, toggle
if (/\bygtv[tl][mp]h?h?/.test(td.className)) {
toggle(true);
} else {
if (this._dblClickTimer) {
window.clearTimeout(this._dblClickTimer);
this._dblClickTimer = null;
} else {
if (this._hasDblClickSubscriber) {
this._dblClickTimer = window.setTimeout(function () {
self._dblClickTimer = null;
if (self.fireEvent('clickEvent', {event:ev,node:node}) !== false) {
toggle();
}
}, 200);
} else {
if (self.fireEvent('clickEvent', {event:ev,node:node}) !== false) {
toggle();
}
}
}
}
},
/**
* Event listener for double-click events
* @method _onDblClickEvent
* @private
*/
_onDblClickEvent: function (ev) {
if (!this._hasDblClickSubscriber) { return; }
var td = this._getEventTargetTdEl(ev);
if (!td) {return;}
if (!(/\bygtv[tl][mp]h?h?/.test(td.className))) {
this.fireEvent('dblClickEvent', {event:ev, node:this.getNodeByElement(td)});
if (this._dblClickTimer) {
window.clearTimeout(this._dblClickTimer);
this._dblClickTimer = null;
}
}
},
/**
* Event listener for mouse over events
* @method _onMouseOverEvent
* @private
*/
_onMouseOverEvent:function (ev) {
var target;
if ((target = this._getEventTargetTdEl(ev)) && (target = this.getNodeByElement(target)) && (target = target.getToggleEl())) {
target.className = target.className.replace(/\bygtv([lt])([mp])\b/gi,'ygtv$1$2h');
}
},
/**
* Event listener for mouse out events
* @method _onMouseOutEvent
* @private
*/
_onMouseOutEvent: function (ev) {
var target;
if ((target = this._getEventTargetTdEl(ev)) && (target = this.getNodeByElement(target)) && (target = target.getToggleEl())) {
target.className = target.className.replace(/\bygtv([lt])([mp])h\b/gi,'ygtv$1$2');
}
},
/**
* Event listener for key down events
* @method _onKeyDownEvent
* @private
*/
_onKeyDownEvent: function (ev) {
var target = Event.getTarget(ev),
node = this.getNodeByElement(target),
newNode = node,
KEY = YAHOO.util.KeyListener.KEY;
switch(ev.keyCode) {
case KEY.UP:
this.logger.log('UP');
do {
if (newNode.previousSibling) {
newNode = newNode.previousSibling;
} else {
newNode = newNode.parent;
}
} while (newNode && !newNode._canHaveFocus());
if (newNode) { newNode.focus(); }
Event.preventDefault(ev);
break;
case KEY.DOWN:
this.logger.log('DOWN');
do {
if (newNode.nextSibling) {
newNode = newNode.nextSibling;
} else {
newNode.expand();
newNode = (newNode.children.length || null) && newNode.children[0];
}
} while (newNode && !newNode._canHaveFocus);
if (newNode) { newNode.focus();}
Event.preventDefault(ev);
break;
case KEY.LEFT:
this.logger.log('LEFT');
do {
if (newNode.parent) {
newNode = newNode.parent;
} else {
newNode = newNode.previousSibling;
}
} while (newNode && !newNode._canHaveFocus());
if (newNode) { newNode.focus();}
Event.preventDefault(ev);
break;
case KEY.RIGHT:
this.logger.log('RIGHT');
var self = this,
moveFocusRight,
focusOnExpand = function (newNode) {
self.unsubscribe('expandComplete',focusOnExpand);
moveFocusRight(newNode);
};
moveFocusRight = function (newNode) {
do {
if (newNode.isDynamic() && !newNode.childrenRendered) {
self.subscribe('expandComplete',focusOnExpand);
newNode.expand();
newNode = null;
break;
} else {
newNode.expand();
if (newNode.children.length) {
newNode = newNode.children[0];
} else {
newNode = newNode.nextSibling;
}
}
} while (newNode && !newNode._canHaveFocus());
if (newNode) { newNode.focus();}
};
moveFocusRight(newNode);
Event.preventDefault(ev);
break;
case KEY.ENTER:
this.logger.log('ENTER: ' + newNode.href);
if (node.href) {
if (node.target) {
window.open(node.href,node.target);
} else {
window.location(node.href);
}
} else {
node.toggle();
}
this.fireEvent('enterKeyPressed',node);
Event.preventDefault(ev);
break;
case KEY.HOME:
this.logger.log('HOME');
newNode = this.getRoot();
if (newNode.children.length) {newNode = newNode.children[0];}
if (newNode._canHaveFocus()) { newNode.focus(); }
Event.preventDefault(ev);
break;
case KEY.END:
this.logger.log('END');
newNode = newNode.parent.children;
newNode = newNode[newNode.length -1];
if (newNode._canHaveFocus()) { newNode.focus(); }
Event.preventDefault(ev);
break;
// case KEY.PAGE_UP:
// this.logger.log('PAGE_UP');
// break;
// case KEY.PAGE_DOWN:
// this.logger.log('PAGE_DOWN');
// break;
case 107: // plus key
if (ev.shiftKey) {
this.logger.log('Shift-PLUS');
node.parent.expandAll();
} else {
this.logger.log('PLUS');
node.expand();
}
break;
case 109: // minus key
if (ev.shiftKey) {
this.logger.log('Shift-MINUS');
node.parent.collapseAll();
} else {
this.logger.log('MINUS');
node.collapse();
}
break;
default:
break;
}
},
/**
* Renders the tree boilerplate and visible nodes
* @method render
*/
render: function() {
var html = this.root.getHtml(),
el = this.getEl();
el.innerHTML = html;
if (!this._hasEvents) {
Event.on(el, 'click', this._onClickEvent, this, true);
Event.on(el, 'dblclick', this._onDblClickEvent, this, true);
Event.on(el, 'mouseover', this._onMouseOverEvent, this, true);
Event.on(el, 'mouseout', this._onMouseOutEvent, this, true);
Event.on(el, 'keydown', this._onKeyDownEvent, this, true);
}
this._hasEvents = true;
},
/**
* Returns the tree's host element
* @method getEl
* @return {HTMLElement} the host element
*/
getEl: function() {
if (! this._el) {
this._el = Dom.get(this.id);
}
return this._el;
},
/**
* Nodes register themselves with the tree instance when they are created.
* @method regNode
* @param node {Node} the node to register
* @private
*/
regNode: function(node) {
this._nodes[node.index] = node;
},
/**
* Returns the root node of this tree
* @method getRoot
* @return {Node} the root node
*/
getRoot: function() {
return this.root;
},
/**
* Configures this tree to dynamically load all child data
* @method setDynamicLoad
* @param {function} fnDataLoader the function that will be called to get the data
* @param iconMode {int} configures the icon that is displayed when a dynamic
* load node is expanded the first time without children. By default, the
* "collapse" icon will be used. If set to 1, the leaf node icon will be
* displayed.
*/
setDynamicLoad: function(fnDataLoader, iconMode) {
this.root.setDynamicLoad(fnDataLoader, iconMode);
},
/**
* Expands all child nodes. Note: this conflicts with the "multiExpand"
* node property. If expand all is called in a tree with nodes that
* do not allow multiple siblings to be displayed, only the last sibling
* will be expanded.
* @method expandAll
*/
expandAll: function() {
if (!this.locked) {
this.root.expandAll();
}
},
/**
* Collapses all expanded child nodes in the entire tree.
* @method collapseAll
*/
collapseAll: function() {
if (!this.locked) {
this.root.collapseAll();
}
},
/**
* Returns a node in the tree that has the specified index (this index
* is created internally, so this function probably will only be used
* in html generated for a given node.)
* @method getNodeByIndex
* @param {int} nodeIndex the index of the node wanted
* @return {Node} the node with index=nodeIndex, null if no match
*/
getNodeByIndex: function(nodeIndex) {
var n = this._nodes[nodeIndex];
return (n) ? n : null;
},
/**
* Returns a node that has a matching property and value in the data
* object that was passed into its constructor.
* @method getNodeByProperty
* @param {object} property the property to search (usually a string)
* @param {object} value the value we want to find (usuall an int or string)
* @return {Node} the matching node, null if no match
*/
getNodeByProperty: function(property, value) {
for (var i in this._nodes) {
if (this._nodes.hasOwnProperty(i)) {
var n = this._nodes[i];
if ((property in n && n[property] == value) || (n.data && value == n.data[property])) {
return n;
}
}
}
return null;
},
/**
* Returns a collection of nodes that have a matching property
* and value in the data object that was passed into its constructor.
* @method getNodesByProperty
* @param {object} property the property to search (usually a string)
* @param {object} value the value we want to find (usuall an int or string)
* @return {Array} the matching collection of nodes, null if no match
*/
getNodesByProperty: function(property, value) {
var values = [];
for (var i in this._nodes) {
if (this._nodes.hasOwnProperty(i)) {
var n = this._nodes[i];
if ((property in n && n[property] == value) || (n.data && value == n.data[property])) {
values.push(n);
}
}
}
return (values.length) ? values : null;
},
/**
* Returns a collection of nodes that have passed the test function
* passed as its only argument.
* The function will receive a reference to each node to be tested.
* @method getNodesBy
* @param {function} a boolean function that receives a Node instance and returns true to add the node to the results list
* @return {Array} the matching collection of nodes, null if no match
*/
getNodesBy: function(fn) {
var values = [];
for (var i in this._nodes) {
if (this._nodes.hasOwnProperty(i)) {
var n = this._nodes[i];
if (fn(n)) {
values.push(n);
}
}
}
return (values.length) ? values : null;
},
/**
* Returns the treeview node reference for an ancestor element
* of the node, or null if it is not contained within any node
* in this tree.
* @method getNodeByElement
* @param el {HTMLElement} the element to test
* @return {YAHOO.widget.Node} a node reference or null
*/
getNodeByElement: function(el) {
var p=el, m, re=/ygtv([^\d]*)(.*)/;
do {
if (p && p.id) {
m = p.id.match(re);
if (m && m[2]) {
return this.getNodeByIndex(m[2]);
}
}
p = p.parentNode;
if (!p || !p.tagName) {
break;
}
}
while (p.id !== this.id && p.tagName.toLowerCase() !== "body");
return null;
},
/**
* When in singleNodeHighlight it returns the node highlighted
* or null if none. Returns null if singleNodeHighlight is false.
* @method getHighlightedNode
* @return {YAHOO.widget.Node} a node reference or null
*/
getHighlightedNode: function() {
return this._currentlyHighlighted;
},
/**
* Removes the node and its children, and optionally refreshes the
* branch of the tree that was affected.
* @method removeNode
* @param {Node} node to remove
* @param {boolean} autoRefresh automatically refreshes branch if true
* @return {boolean} False is there was a problem, true otherwise.
*/
removeNode: function(node, autoRefresh) {
// Don't delete the root node
if (node.isRoot()) {
return false;
}
// Get the branch that we may need to refresh
var p = node.parent;
if (p.parent) {
p = p.parent;
}
// Delete the node and its children
this._deleteNode(node);
// Refresh the parent of the parent
if (autoRefresh && p && p.childrenRendered) {
p.refresh();
}
return true;
},
/**
* wait until the animation is complete before deleting
* to avoid javascript errors
* @method _removeChildren_animComplete
* @param o the custom event payload
* @private
*/
_removeChildren_animComplete: function(o) {
this.unsubscribe(this._removeChildren_animComplete);
this.removeChildren(o.node);
},
/**
* Deletes this nodes child collection, recursively. Also collapses
* the node, and resets the dynamic load flag. The primary use for
* this method is to purge a node and allow it to fetch its data
* dynamically again.
* @method removeChildren
* @param {Node} node the node to purge
*/
removeChildren: function(node) {
if (node.expanded) {
// wait until the animation is complete before deleting to
// avoid javascript errors
if (this._collapseAnim) {
this.subscribe("animComplete",
this._removeChildren_animComplete, this, true);
Widget.Node.prototype.collapse.call(node);
return;
}
node.collapse();
}
this.logger.log("Removing children for " + node);
while (node.children.length) {
this._deleteNode(node.children[0]);
}
if (node.isRoot()) {
Widget.Node.prototype.expand.call(node);
}
node.childrenRendered = false;
node.dynamicLoadComplete = false;
node.updateIcon();
},
/**
* Deletes the node and recurses children
* @method _deleteNode
* @private
*/
_deleteNode: function(node) {
// Remove all the child nodes first
this.removeChildren(node);
// Remove the node from the tree
this.popNode(node);
},
/**
* Removes the node from the tree, preserving the child collection
* to make it possible to insert the branch into another part of the
* tree, or another tree.
* @method popNode
* @param {Node} node to remove
*/
popNode: function(node) {
var p = node.parent;
// Update the parent's collection of children
var a = [];
for (var i=0, len=p.children.length;i<len;++i) {
if (p.children[i] != node) {
a[a.length] = p.children[i];
}
}
p.children = a;
// reset the childrenRendered flag for the parent
p.childrenRendered = false;
// Update the sibling relationship
if (node.previousSibling) {
node.previousSibling.nextSibling = node.nextSibling;
}
if (node.nextSibling) {
node.nextSibling.previousSibling = node.previousSibling;
}
if (this.currentFocus == node) {
this.currentFocus = null;
}
if (this._currentlyHighlighted == node) {
this._currentlyHighlighted = null;
}
node.parent = null;
node.previousSibling = null;
node.nextSibling = null;
node.tree = null;
// Update the tree's node collection
delete this._nodes[node.index];
},
/**
* Nulls out the entire TreeView instance and related objects, removes attached
* event listeners, and clears out DOM elements inside the container. After
* calling this method, the instance reference should be expliclitly nulled by
* implementer, as in myDataTable = null. Use with caution!
*
* @method destroy
*/
destroy : function() {
// Since the label editor can be separated from the main TreeView control
// the destroy method for it might not be there.
if (this._destroyEditor) { this._destroyEditor(); }
var el = this.getEl();
Event.removeListener(el,'click');
Event.removeListener(el,'dblclick');
Event.removeListener(el,'mouseover');
Event.removeListener(el,'mouseout');
Event.removeListener(el,'keydown');
for (var i = 0 ; i < this._nodes.length; i++) {
var node = this._nodes[i];
if (node && node.destroy) {node.destroy(); }
}
el.innerHTML = '';
this._hasEvents = false;
},
/**
* TreeView instance toString
* @method toString
* @return {string} string representation of the tree
*/
toString: function() {
return "TreeView " + this.id;
},
/**
* Count of nodes in tree
* @method getNodeCount
* @return {int} number of nodes in the tree
*/
getNodeCount: function() {
return this.getRoot().getNodeCount();
},
/**
* Returns an object which could be used to rebuild the tree.
* It can be passed to the tree constructor to reproduce the same tree.
* It will return false if any node loads dynamically, regardless of whether it is loaded or not.
* @method getTreeDefinition
* @return {Object | false} definition of the tree or false if any node is defined as dynamic
*/
getTreeDefinition: function() {
return this.getRoot().getNodeDefinition();
},
/**
* Abstract method that is executed when a node is expanded
* @method onExpand
* @param node {Node} the node that was expanded
* @deprecated use treeobj.subscribe("expand") instead
*/
onExpand: function(node) { },
/**
* Abstract method that is executed when a node is collapsed.
* @method onCollapse
* @param node {Node} the node that was collapsed.
* @deprecated use treeobj.subscribe("collapse") instead
*/
onCollapse: function(node) { },
/**
* Sets the value of a property for all loaded nodes in the tree.
* @method setNodesProperty
* @param name {string} Name of the property to be set
* @param value {any} value to be set
* @param refresh {boolean} if present and true, it does a refresh
*/
setNodesProperty: function(name, value, refresh) {
this.root.setNodesProperty(name,value);
if (refresh) {
this.root.refresh();
}
},
/**
* Event listener to toggle node highlight.
* Can be assigned as listener to clickEvent, dblClickEvent and enterKeyPressed.
* It returns false to prevent the default action.
* @method onEventToggleHighlight
* @param oArgs {any} it takes the arguments of any of the events mentioned above
* @return {false} Always cancels the default action for the event
*/
onEventToggleHighlight: function (oArgs) {
var node;
if ('node' in oArgs && oArgs.node instanceof Widget.Node) {
node = oArgs.node;
} else if (oArgs instanceof Widget.Node) {
node = oArgs;
} else {
return false;
}
node.toggleHighlight();
return false;
}
};
/* Backwards compatibility aliases */
var PROT = TV.prototype;
/**
* Renders the tree boilerplate and visible nodes.
* Alias for render
* @method draw
* @deprecated Use render instead
*/
PROT.draw = PROT.render;
/* end backwards compatibility aliases */
YAHOO.augment(TV, YAHOO.util.EventProvider);
/**
* Running count of all nodes created in all trees. This is
* used to provide unique identifies for all nodes. Deleting
* nodes does not change the nodeCount.
* @property YAHOO.widget.TreeView.nodeCount
* @type int
* @static
*/
TV.nodeCount = 0;
/**
* Global cache of tree instances
* @property YAHOO.widget.TreeView.trees
* @type Array
* @static
* @private
*/
TV.trees = [];
/**
* Global method for getting a tree by its id. Used in the generated
* tree html.
* @method YAHOO.widget.TreeView.getTree
* @param treeId {String} the id of the tree instance
* @return {TreeView} the tree instance requested, null if not found.
* @static
*/
TV.getTree = function(treeId) {
var t = TV.trees[treeId];
return (t) ? t : null;
};
/**
* Global method for getting a node by its id. Used in the generated
* tree html.
* @method YAHOO.widget.TreeView.getNode
* @param treeId {String} the id of the tree instance
* @param nodeIndex {String} the index of the node to return
* @return {Node} the node instance requested, null if not found
* @static
*/
TV.getNode = function(treeId, nodeIndex) {
var t = TV.getTree(treeId);
return (t) ? t.getNodeByIndex(nodeIndex) : null;
};
/**
* Class name assigned to elements that have the focus
*
* @property TreeView.FOCUS_CLASS_NAME
* @type String
* @static
* @final
* @default "ygtvfocus"
*/
TV.FOCUS_CLASS_NAME = 'ygtvfocus';
})();
(function () {
var Dom = YAHOO.util.Dom,
Lang = YAHOO.lang,
Event = YAHOO.util.Event;
/**
* The base class for all tree nodes. The node's presentation and behavior in
* response to mouse events is handled in Node subclasses.
* @namespace YAHOO.widget
* @class Node
* @uses YAHOO.util.EventProvider
* @param oData {object} a string or object containing the data that will
* be used to render this node, and any custom attributes that should be
* stored with the node (which is available in noderef.data).
* All values in 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,
* the rest of the values will be stored in noderef.data
* @param oParent {Node} this node's parent node
* @param expanded {boolean} the initial expanded/collapsed state (deprecated, use oData.expanded)
* @constructor
*/
YAHOO.widget.Node = function(oData, oParent, expanded) {
if (oData) { this.init(oData, oParent, expanded); }
};
YAHOO.widget.Node.prototype = {
/**
* The index for this instance obtained from global counter in YAHOO.widget.TreeView.
* @property index
* @type int
*/
index: 0,
/**
* This node's child node collection.
* @property children
* @type Node[]
*/
children: null,
/**
* Tree instance this node is part of
* @property tree
* @type TreeView
*/
tree: null,
/**
* The data linked to this node. This can be any object or primitive
* value, and the data can be used in getNodeHtml().
* @property data
* @type object
*/
data: null,
/**
* Parent node
* @property parent
* @type Node
*/
parent: null,
/**
* The depth of this node. We start at -1 for the root node.
* @property depth
* @type int
*/
depth: -1,
/**
* The node's expanded/collapsed state
* @property expanded
* @type boolean
*/
expanded: false,
/**
* Can multiple children be expanded at once?
* @property multiExpand
* @type boolean
*/
multiExpand: true,
/**
* Should we render children for a collapsed node? It is possible that the
* implementer will want to render the hidden data... @todo verify that we
* need this, and implement it if we do.
* @property renderHidden
* @type boolean
*/
renderHidden: false,
/**
* This flag is set to true when the html is generated for this node's
* children, and set to false when new children are added.
* @property childrenRendered
* @type boolean
*/
childrenRendered: false,
/**
* Dynamically loaded nodes only fetch the data the first time they are
* expanded. This flag is set to true once the data has been fetched.
* @property dynamicLoadComplete
* @type boolean
*/
dynamicLoadComplete: false,
/**
* This node's previous sibling
* @property previousSibling
* @type Node
*/
previousSibling: null,
/**
* This node's next sibling
* @property nextSibling
* @type Node
*/
nextSibling: null,
/**
* We can set the node up to call an external method to get the child
* data dynamically.
* @property _dynLoad
* @type boolean
* @private
*/
_dynLoad: false,
/**
* Function to execute when we need to get this node's child data.
* @property dataLoader
* @type function
*/
dataLoader: null,
/**
* This is true for dynamically loading nodes while waiting for the
* callback to return.
* @property isLoading
* @type boolean
*/
isLoading: false,
/**
* The toggle/branch icon will not show if this is set to false. This
* could be useful if the implementer wants to have the child contain
* extra info about the parent, rather than an actual node.
* @property hasIcon
* @type boolean
*/
hasIcon: true,
/**
* Used to configure what happens when a dynamic load node is expanded
* and we discover that it does not have children. By default, it is
* treated as if it still could have children (plus/minus icon). Set
* iconMode to have it display like a leaf node instead.
* @property iconMode
* @type int
*/
iconMode: 0,
/**
* Specifies whether or not the content area of the node should be allowed
* to wrap.
* @property nowrap
* @type boolean
* @default false
*/
nowrap: false,
/**
* If true, the node will alway be rendered as a leaf node. This can be
* used to override the presentation when dynamically loading the entire
* tree. Setting this to true also disables the dynamic load call for the
* node.
* @property isLeaf
* @type boolean
* @default false
*/
isLeaf: false,
/**
* The CSS class for the html content container. Defaults to ygtvhtml, but
* can be overridden to provide a custom presentation for a specific node.
* @property contentStyle
* @type string
*/
contentStyle: "",
/**
* The generated id that will contain the data passed in by the implementer.
* @property contentElId
* @type string
*/
contentElId: null,
/**
* Enables node highlighting. If true, the node can be highlighted and/or propagate highlighting
* @property enableHighlight
* @type boolean
* @default true
*/
enableHighlight: true,
/**
* Stores the highlight state. Can be any of:
* <ul>
* <li>0 - not highlighted</li>
* <li>1 - highlighted</li>
* <li>2 - some children highlighted</li>
* </ul>
* @property highlightState
* @type integer
* @default 0
*/
highlightState: 0,
/**
* Tells whether highlighting will be propagated up to the parents of the clicked node
* @property propagateHighlightUp
* @type boolean
* @default false
*/
propagateHighlightUp: false,
/**
* Tells whether highlighting will be propagated down to the children of the clicked node
* @property propagateHighlightDown
* @type boolean
* @default false
*/
propagateHighlightDown: false,
/**
* User-defined className to be added to the Node
* @property className
* @type string
* @default null
*/
className: null,
/**
* The node type
* @property _type
* @private
* @type string
* @default "Node"
*/
_type: "Node",
/*
spacerPath: "http://l.yimg.com/a/i/space.gif",
expandedText: "Expanded",
collapsedText: "Collapsed",
loadingText: "Loading",
*/
/**
* Initializes this node, gets some of the properties from the parent
* @method init
* @param oData {object} a string or object containing the data that will
* be used to render this node
* @param oParent {Node} this node's parent node
* @param expanded {boolean} the initial expanded/collapsed state
*/
init: function(oData, oParent, expanded) {
this.data = {};
this.children = [];
this.index = YAHOO.widget.TreeView.nodeCount;
++YAHOO.widget.TreeView.nodeCount;
this.contentElId = "ygtvcontentel" + this.index;
if (Lang.isObject(oData)) {
for (var property in oData) {
if (oData.hasOwnProperty(property)) {
if (property.charAt(0) != '_' && !Lang.isUndefined(this[property]) && !Lang.isFunction(this[property]) ) {
this[property] = oData[property];
} else {
this.data[property] = oData[property];
}
}
}
}
if (!Lang.isUndefined(expanded) ) { this.expanded = expanded; }
this.logger = new YAHOO.widget.LogWriter(this.toString());
/**
* The parentChange event is fired when a parent element is applied
* to the node. This is useful if you need to apply tree-level
* properties to a tree that need to happen if a node is moved from
* one tree to another.
*
* @event parentChange
* @type CustomEvent
*/
this.createEvent("parentChange", this);
// oParent should never be null except when we create the root node.
if (oParent) {
oParent.appendChild(this);
}
},
/**
* Certain properties for the node cannot be set until the parent
* is known. This is called after the node is inserted into a tree.
* the parent is also applied to this node's children in order to
* make it possible to move a branch from one tree to another.
* @method applyParent
* @param {Node} parentNode this node's parent node
* @return {boolean} true if the application was successful
*/
applyParent: function(parentNode) {
if (!parentNode) {
return false;
}
this.tree = parentNode.tree;
this.parent = parentNode;
this.depth = parentNode.depth + 1;
// @todo why was this put here. This causes new nodes added at the
// root level to lose the menu behavior.
// if (! this.multiExpand) {
// this.multiExpand = parentNode.multiExpand;
// }
this.tree.regNode(this);
parentNode.childrenRendered = false;
// cascade update existing children
for (var i=0, len=this.children.length;i<len;++i) {
this.children[i].applyParent(this);
}
this.fireEvent("parentChange");
return true;
},
/**
* Appends a node to the child collection.
* @method appendChild
* @param childNode {Node} the new node
* @return {Node} the child node
* @private
*/
appendChild: function(childNode) {
if (this.hasChildren()) {
var sib = this.children[this.children.length - 1];
sib.nextSibling = childNode;
childNode.previousSibling = sib;
}
this.children[this.children.length] = childNode;
childNode.applyParent(this);
// part of the IE display issue workaround. If child nodes
// are added after the initial render, and the node was
// instantiated with expanded = true, we need to show the
// children div now that the node has a child.
if (this.childrenRendered && this.expanded) {
this.getChildrenEl().style.display = "";
}
return childNode;
},
/**
* Appends this node to the supplied node's child collection
* @method appendTo
* @param parentNode {Node} the node to append to.
* @return {Node} The appended node
*/
appendTo: function(parentNode) {
return parentNode.appendChild(this);
},
/**
* Inserts this node before this supplied node
* @method insertBefore
* @param node {Node} the node to insert this node before
* @return {Node} the inserted node
*/
insertBefore: function(node) {
this.logger.log("insertBefore: " + node);
var p = node.parent;
if (p) {
if (this.tree) {
this.tree.popNode(this);
}
var refIndex = node.isChildOf(p);
//this.logger.log(refIndex);
p.children.splice(refIndex, 0, this);
if (node.previousSibling) {
node.previousSibling.nextSibling = this;
}
this.previousSibling = node.previousSibling;
this.nextSibling = node;
node.previousSibling = this;
this.applyParent(p);
}
return this;
},
/**
* Inserts this node after the supplied node
* @method insertAfter
* @param node {Node} the node to insert after
* @return {Node} the inserted node
*/
insertAfter: function(node) {
this.logger.log("insertAfter: " + node);
var p = node.parent;
if (p) {
if (this.tree) {
this.tree.popNode(this);
}
var refIndex = node.isChildOf(p);
this.logger.log(refIndex);
if (!node.nextSibling) {
this.nextSibling = null;
return this.appendTo(p);
}
p.children.splice(refIndex + 1, 0, this);
node.nextSibling.previousSibling = this;
this.previousSibling = node;
this.nextSibling = node.nextSibling;
node.nextSibling = this;
this.applyParent(p);
}
return this;
},
/**
* Returns true if the Node is a child of supplied Node
* @method isChildOf
* @param parentNode {Node} the Node to check
* @return {boolean} The node index if this Node is a child of
* supplied Node, else -1.
* @private
*/
isChildOf: function(parentNode) {
if (parentNode && parentNode.children) {
for (var i=0, len=parentNode.children.length; i<len ; ++i) {
if (parentNode.children[i] === this) {
return i;
}
}
}
return -1;
},
/**
* Returns a node array of this node's siblings, null if none.
* @method getSiblings
* @return Node[]
*/
getSiblings: function() {
var sib = this.parent.children.slice(0);
for (var i=0;i < sib.length && sib[i] != this;i++) {}
sib.splice(i,1);
if (sib.length) { return sib; }
return null;
},
/**
* Shows this node's children
* @method showChildren
*/
showChildren: function() {
if (!this.tree.animateExpand(this.getChildrenEl(), this)) {
if (this.hasChildren()) {
this.getChildrenEl().style.display = "";
}
}
},
/**
* Hides this node's children
* @method hideChildren
*/
hideChildren: function() {
this.logger.log("hiding " + this.index);
if (!this.tree.animateCollapse(this.getChildrenEl(), this)) {
this.getChildrenEl().style.display = "none";
}
},
/**
* Returns the id for this node's container div
* @method getElId
* @return {string} the element id
*/
getElId: function() {
return "ygtv" + this.index;
},
/**
* Returns the id for this node's children div
* @method getChildrenElId
* @return {string} the element id for this node's children div
*/
getChildrenElId: function() {
return "ygtvc" + this.index;
},
/**
* Returns the id for this node's toggle element
* @method getToggleElId
* @return {string} the toggel element id
*/
getToggleElId: function() {
return "ygtvt" + this.index;
},
/*
* Returns the id for this node's spacer image. The spacer is positioned
* over the toggle and provides feedback for screen readers.
* @method getSpacerId
* @return {string} the id for the spacer image
*/
/*
getSpacerId: function() {
return "ygtvspacer" + this.index;
},
*/
/**
* Returns this node's container html element
* @method getEl
* @return {HTMLElement} the container html element
*/
getEl: function() {
return Dom.get(this.getElId());
},
/**
* Returns the div that was generated for this node's children
* @method getChildrenEl
* @return {HTMLElement} this node's children div
*/
getChildrenEl: function() {
return Dom.get(this.getChildrenElId());
},
/**
* Returns the element that is being used for this node's toggle.
* @method getToggleEl
* @return {HTMLElement} this node's toggle html element
*/
getToggleEl: function() {
return Dom.get(this.getToggleElId());
},
/**
* Returns the outer html element for this node's content
* @method getContentEl
* @return {HTMLElement} the element
*/
getContentEl: function() {
return Dom.get(this.contentElId);
},
/*
* Returns the element that is being used for this node's spacer.
* @method getSpacer
* @return {HTMLElement} this node's spacer html element
*/
/*
getSpacer: function() {
return document.getElementById( this.getSpacerId() ) || {};
},
*/
/*
getStateText: function() {
if (this.isLoading) {
return this.loadingText;
} else if (this.hasChildren(true)) {
if (this.expanded) {
return this.expandedText;
} else {
return this.collapsedText;
}
} else {
return "";
}
},
*/
/**
* Hides this nodes children (creating them if necessary), changes the toggle style.
* @method collapse
*/
collapse: function() {
// Only collapse if currently expanded
if (!this.expanded) { return; }
// fire the collapse event handler
var ret = this.tree.onCollapse(this);
if (false === ret) {
this.logger.log("Collapse was stopped by the abstract onCollapse");
return;
}
ret = this.tree.fireEvent("collapse", this);
if (false === ret) {
this.logger.log("Collapse was stopped by a custom event handler");
return;
}
if (!this.getEl()) {
this.expanded = false;
} else {
// hide the child div
this.hideChildren();
this.expanded = false;
this.updateIcon();
}
// this.getSpacer().title = this.getStateText();
ret = this.tree.fireEvent("collapseComplete", this);
},
/**
* Shows this nodes children (creating them if necessary), changes the
* toggle style, and collapses its siblings if multiExpand is not set.
* @method expand
*/
expand: function(lazySource) {
// Only expand if currently collapsed.
if (this.isLoading || (this.expanded && !lazySource)) {
return;
}
var ret = true;
// When returning from the lazy load handler, expand is called again
// in order to render the new children. The "expand" event already
// fired before fething the new data, so we need to skip it now.
if (!lazySource) {
// fire the expand event handler
ret = this.tree.onExpand(this);
if (false === ret) {
this.logger.log("Expand was stopped by the abstract onExpand");
return;
}
ret = this.tree.fireEvent("expand", this);
}
if (false === ret) {
this.logger.log("Expand was stopped by the custom event handler");
return;
}
if (!this.getEl()) {
this.expanded = true;
return;
}
if (!this.childrenRendered) {
this.logger.log("children not rendered yet");
this.getChildrenEl().innerHTML = this.renderChildren();
} else {
this.logger.log("children already rendered");
}
this.expanded = true;
this.updateIcon();
// this.getSpacer().title = this.getStateText();
// We do an extra check for children here because the lazy
// load feature can expose nodes that have no children.
// if (!this.hasChildren()) {
if (this.isLoading) {
this.expanded = false;
return;
}
if (! this.multiExpand) {
var sibs = this.getSiblings();
for (var i=0; sibs && i<sibs.length; ++i) {
if (sibs[i] != this && sibs[i].expanded) {
sibs[i].collapse();
}
}
}
this.showChildren();
ret = this.tree.fireEvent("expandComplete", this);
},
updateIcon: function() {
if (this.hasIcon) {
var el = this.getToggleEl();
if (el) {
el.className = el.className.replace(/\bygtv(([tl][pmn]h?)|(loading))\b/gi,this.getStyle());
}
}
},
/**
* Returns the css style name for the toggle
* @method getStyle
* @return {string} the css class for this node's toggle
*/
getStyle: function() {
// this.logger.log("No children, " + " isDyanmic: " + this.isDynamic() + " expanded: " + this.expanded);
if (this.isLoading) {
this.logger.log("returning the loading icon");
return "ygtvloading";
} else {
// location top or bottom, middle nodes also get the top style
var loc = (this.nextSibling) ? "t" : "l";
// type p=plus(expand), m=minus(collapase), n=none(no children)
var type = "n";
if (this.hasChildren(true) || (this.isDynamic() && !this.getIconMode())) {
// if (this.hasChildren(true)) {
type = (this.expanded) ? "m" : "p";
}
// this.logger.log("ygtv" + loc + type);
return "ygtv" + loc + type;
}
},
/**
* Returns the hover style for the icon
* @return {string} the css class hover state
* @method getHoverStyle
*/
getHoverStyle: function() {
var s = this.getStyle();
if (this.hasChildren(true) && !this.isLoading) {
s += "h";
}
return s;
},
/**
* Recursively expands all of this node's children.
* @method expandAll
*/
expandAll: function() {
var l = this.children.length;
for (var i=0;i<l;++i) {
var c = this.children[i];
if (c.isDynamic()) {
this.logger.log("Not supported (lazy load + expand all)");
break;
} else if (! c.multiExpand) {
this.logger.log("Not supported (no multi-expand + expand all)");
break;
} else {
c.expand();
c.expandAll();
}
}
},
/**
* Recursively collapses all of this node's children.
* @method collapseAll
*/
collapseAll: function() {
for (var i=0;i<this.children.length;++i) {
this.children[i].collapse();
this.children[i].collapseAll();
}
},
/**
* Configures this node for dynamically obtaining the child data
* when the node is first expanded. Calling it without the callback
* will turn off dynamic load for the node.
* @method setDynamicLoad
* @param fmDataLoader {function} the function that will be used to get the data.
* @param iconMode {int} configures the icon that is displayed when a dynamic
* load node is expanded the first time without children. By default, the
* "collapse" icon will be used. If set to 1, the leaf node icon will be
* displayed.
*/
setDynamicLoad: function(fnDataLoader, iconMode) {
if (fnDataLoader) {
this.dataLoader = fnDataLoader;
this._dynLoad = true;
} else {
this.dataLoader = null;
this._dynLoad = false;
}
if (iconMode) {
this.iconMode = iconMode;
}
},
/**
* Evaluates if this node is the root node of the tree
* @method isRoot
* @return {boolean} true if this is the root node
*/
isRoot: function() {
return (this == this.tree.root);
},
/**
* Evaluates if this node's children should be loaded dynamically. Looks for
* the property both in this instance and the root node. If the tree is
* defined to load all children dynamically, the data callback function is
* defined in the root node
* @method isDynamic
* @return {boolean} true if this node's children are to be loaded dynamically
*/
isDynamic: function() {
if (this.isLeaf) {
return false;
} else {
return (!this.isRoot() && (this._dynLoad || this.tree.root._dynLoad));
// this.logger.log("isDynamic: " + lazy);
// return lazy;
}
},
/**
* Returns the current icon mode. This refers to the way childless dynamic
* load nodes appear (this comes into play only after the initial dynamic
* load request produced no children).
* @method getIconMode
* @return {int} 0 for collapse style, 1 for leaf node style
*/
getIconMode: function() {
return (this.iconMode || this.tree.root.iconMode);
},
/**
* Checks if this node has children. If this node is lazy-loading and the
* children have not been rendered, we do not know whether or not there
* are actual children. In most cases, we need to assume that there are
* children (for instance, the toggle needs to show the expandable
* presentation state). In other times we want to know if there are rendered
* children. For the latter, "checkForLazyLoad" should be false.
* @method hasChildren
* @param checkForLazyLoad {boolean} should we check for unloaded children?
* @return {boolean} true if this has children or if it might and we are
* checking for this condition.
*/
hasChildren: function(checkForLazyLoad) {
if (this.isLeaf) {
return false;
} else {
return ( this.children.length > 0 ||
(checkForLazyLoad && this.isDynamic() && !this.dynamicLoadComplete)
);
}
},
/**
* Expands if node is collapsed, collapses otherwise.
* @method toggle
*/
toggle: function() {
if (!this.tree.locked && ( this.hasChildren(true) || this.isDynamic()) ) {
if (this.expanded) { this.collapse(); } else { this.expand(); }
}
},
/**
* Returns the markup for this node and its children.
* @method getHtml
* @return {string} the markup for this node and its expanded children.
*/
getHtml: function() {
this.childrenRendered = false;
return ['<div class="ygtvitem" id="' , this.getElId() , '">' ,this.getNodeHtml() , this.getChildrenHtml() ,'</div>'].join("");
},
/**
* Called when first rendering the tree. We always build the div that will
* contain this nodes children, but we don't render the children themselves
* unless this node is expanded.
* @method getChildrenHtml
* @return {string} the children container div html and any expanded children
* @private
*/
getChildrenHtml: function() {
var sb = [];
sb[sb.length] = '<div class="ygtvchildren" id="' + this.getChildrenElId() + '"';
// This is a workaround for an IE rendering issue, the child div has layout
// in IE, creating extra space if a leaf node is created with the expanded
// property set to true.
if (!this.expanded || !this.hasChildren()) {
sb[sb.length] = ' style="display:none;"';
}
sb[sb.length] = '>';
// this.logger.log(["index", this.index,
// "hasChildren", this.hasChildren(true),
// "expanded", this.expanded,
// "renderHidden", this.renderHidden,
// "isDynamic", this.isDynamic()]);
// Don't render the actual child node HTML unless this node is expanded.
if ( (this.hasChildren(true) && this.expanded) ||
(this.renderHidden && !this.isDynamic()) ) {
sb[sb.length] = this.renderChildren();
}
sb[sb.length] = '</div>';
return sb.join("");
},
/**
* Generates the markup for the child nodes. This is not done until the node
* is expanded.
* @method renderChildren
* @return {string} the html for this node's children
* @private
*/
renderChildren: function() {
this.logger.log("rendering children for " + this.index);
var node = this;
if (this.isDynamic() && !this.dynamicLoadComplete) {
this.isLoading = true;
this.tree.locked = true;
if (this.dataLoader) {
this.logger.log("Using dynamic loader defined for this node");
setTimeout(
function() {
node.dataLoader(node,
function() {
node.loadComplete();
});
}, 10);
} else if (this.tree.root.dataLoader) {
this.logger.log("Using the tree-level dynamic loader");
setTimeout(
function() {
node.tree.root.dataLoader(node,
function() {
node.loadComplete();
});
}, 10);
} else {
this.logger.log("no loader found");
return "Error: data loader not found or not specified.";
}
return "";
} else {
return this.completeRender();
}
},
/**
* Called when we know we have all the child data.
* @method completeRender
* @return {string} children html
*/
completeRender: function() {
this.logger.log("completeRender: " + this.index + ", # of children: " + this.children.length);
var sb = [];
for (var i=0; i < this.children.length; ++i) {
// this.children[i].childrenRendered = false;
sb[sb.length] = this.children[i].getHtml();
}
this.childrenRendered = true;
return sb.join("");
},
/**
* Load complete is the callback function we pass to the data provider
* in dynamic load situations.
* @method loadComplete
*/
loadComplete: function() {
this.logger.log(this.index + " loadComplete, children: " + this.children.length);
this.getChildrenEl().innerHTML = this.completeRender();
if (this.propagateHighlightDown) {
if (this.highlightState === 1 && !this.tree.singleNodeHighlight) {
for (var i = 0; i < this.children.length; i++) {
this.children[i].highlight(true);
}
} else if (this.highlightState === 0 || this.tree.singleNodeHighlight) {
for (i = 0; i < this.children.length; i++) {
this.children[i].unhighlight(true);
}
} // if (highlighState == 2) leave child nodes with whichever highlight state they are set
}
this.dynamicLoadComplete = true;
this.isLoading = false;
this.expand(true);
this.tree.locked = false;
},
/**
* Returns this node's ancestor at the specified depth.
* @method getAncestor
* @param {int} depth the depth of the ancestor.
* @return {Node} the ancestor
*/
getAncestor: function(depth) {
if (depth >= this.depth || depth < 0) {
this.logger.log("illegal getAncestor depth: " + depth);
return null;
}
var p = this.parent;
while (p.depth > depth) {
p = p.parent;
}
return p;
},
/**
* Returns the css class for the spacer at the specified depth for
* this node. If this node's ancestor at the specified depth
* has a next sibling the presentation is different than if it
* does not have a next sibling
* @method getDepthStyle
* @param {int} depth the depth of the ancestor.
* @return {string} the css class for the spacer
*/
getDepthStyle: function(depth) {
return (this.getAncestor(depth).nextSibling) ?
"ygtvdepthcell" : "ygtvblankdepthcell";
},
/**
* Get the markup for the node. This may be overrided so that we can
* support different types of nodes.
* @method getNodeHtml
* @return {string} The HTML that will render this node.
*/
getNodeHtml: function() {
this.logger.log("Generating html");
var sb = [];
sb[sb.length] = '<table id="ygtvtableel' + this.index + '" border="0" cellpadding="0" cellspacing="0" class="ygtvtable ygtvdepth' + this.depth;
if (this.enableHighlight) {
sb[sb.length] = ' ygtv-highlight' + this.highlightState;
}
if (this.className) {
sb[sb.length] = ' ' + this.className;
}
sb[sb.length] = '"><tr class="ygtvrow">';
for (var i=0;i<this.depth;++i) {
sb[sb.length] = '<td class="ygtvcell ' + this.getDepthStyle(i) + '"><div class="ygtvspacer"></div></td>';
}
if (this.hasIcon) {
sb[sb.length] = '<td id="' + this.getToggleElId();
sb[sb.length] = '" class="ygtvcell ';
sb[sb.length] = this.getStyle() ;
sb[sb.length] = '"><a href="#" class="ygtvspacer">&#160;</a></td>';
}
sb[sb.length] = '<td id="' + this.contentElId;
sb[sb.length] = '" class="ygtvcell ';
sb[sb.length] = this.contentStyle + ' ygtvcontent" ';
sb[sb.length] = (this.nowrap) ? ' nowrap="nowrap" ' : '';
sb[sb.length] = ' >';
sb[sb.length] = this.getContentHtml();
sb[sb.length] = '</td></tr></table>';
return sb.join("");
},
/**
* Get the markup for the contents of the node. This is designed to be overrided so that we can
* support different types of nodes.
* @method getContentHtml
* @return {string} The HTML that will render the content of this node.
*/
getContentHtml: function () {
return "";
},
/**
* Regenerates the html for this node and its children. To be used when the
* node is expanded and new children have been added.
* @method refresh
*/
refresh: function() {
// this.loadComplete();
this.getChildrenEl().innerHTML = this.completeRender();
if (this.hasIcon) {
var el = this.getToggleEl();
if (el) {
el.className = el.className.replace(/\bygtv[lt][nmp]h*\b/gi,this.getStyle());
}
}
},
/**
* Node toString
* @method toString
* @return {string} string representation of the node
*/
toString: function() {
return this._type + " (" + this.index + ")";
},
/**
* array of items that had the focus set on them
* so that they can be cleaned when focus is lost
* @property _focusHighlightedItems
* @type Array of DOM elements
* @private
*/
_focusHighlightedItems: [],
/**
* DOM element that actually got the browser focus
* @property _focusedItem
* @type DOM element
* @private
*/
_focusedItem: null,
/**
* Returns true if there are any elements in the node that can
* accept the real actual browser focus
* @method _canHaveFocus
* @return {boolean} success
* @private
*/
_canHaveFocus: function() {
return this.getEl().getElementsByTagName('a').length > 0;
},
/**
* Removes the focus of previously selected Node
* @method _removeFocus
* @private
*/
_removeFocus:function () {
if (this._focusedItem) {
Event.removeListener(this._focusedItem,'blur');
this._focusedItem = null;
}
var el;
while ((el = this._focusHighlightedItems.shift())) { // yes, it is meant as an assignment, really
Dom.removeClass(el,YAHOO.widget.TreeView.FOCUS_CLASS_NAME );
}
},
/**
* Sets the focus on the node element.
* It will only be able to set the focus on nodes that have anchor elements in it.
* Toggle or branch icons have anchors and can be focused on.
* If will fail in nodes that have no anchor
* @method focus
* @return {boolean} success
*/
focus: function () {
var focused = false, self = this;
if (this.tree.currentFocus) {
this.tree.currentFocus._removeFocus();
}
var expandParent = function (node) {
if (node.parent) {
expandParent(node.parent);
node.parent.expand();
}
};
expandParent(this);
Dom.getElementsBy (
function (el) {
return (/ygtv(([tl][pmn]h?)|(content))/).test(el.className);
} ,
'td' ,
self.getEl().firstChild ,
function (el) {
Dom.addClass(el, YAHOO.widget.TreeView.FOCUS_CLASS_NAME );
if (!focused) {
var aEl = el.getElementsByTagName('a');
if (aEl.length) {
aEl = aEl[0];
aEl.focus();
self._focusedItem = aEl;
Event.on(aEl,'blur',function () {
//console.log('f1');
self.tree.fireEvent('focusChanged',{oldNode:self.tree.currentFocus,newNode:null});
self.tree.currentFocus = null;
self._removeFocus();
});
focused = true;
}
}
self._focusHighlightedItems.push(el);
}
);
if (focused) {
//console.log('f2');
this.tree.fireEvent('focusChanged',{oldNode:this.tree.currentFocus,newNode:this});
this.tree.currentFocus = this;
} else {
//console.log('f3');
this.tree.fireEvent('focusChanged',{oldNode:self.tree.currentFocus,newNode:null});
this.tree.currentFocus = null;
this._removeFocus();
}
return focused;
},
/**
* Count of nodes in a branch
* @method getNodeCount
* @return {int} number of nodes in the branch
*/
getNodeCount: function() {
for (var i = 0, count = 0;i< this.children.length;i++) {
count += this.children[i].getNodeCount();
}
return count + 1;
},
/**
* 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 children loads dynamically, regardless of whether it is loaded or not.
* @method getNodeDefinition
* @return {Object | false} definition of the tree or false if the node or any children is defined as dynamic
*/
getNodeDefinition: function() {
if (this.isDynamic()) { return false; }
var def, defs = Lang.merge(this.data), children = [];
if (this.expanded) {defs.expanded = this.expanded; }
if (!this.multiExpand) { defs.multiExpand = this.multiExpand; }
if (!this.renderHidden) { defs.renderHidden = this.renderHidden; }
if (!this.hasIcon) { defs.hasIcon = this.hasIcon; }
if (this.nowrap) { defs.nowrap = this.nowrap; }
if (this.className) { defs.className = this.className; }
if (this.editable) { defs.editable = this.editable; }
if (this.enableHighlight) { defs.enableHighlight = this.enableHighlight; }
if (this.highlightState) { defs.highlightState = this.highlightState; }
if (this.propagateHighlightUp) { defs.propagateHighlightUp = this.propagateHighlightUp; }
if (this.propagateHighlightDown) { defs.propagateHighlightDown = this.propagateHighlightDown; }
defs.type = this._type;
for (var i = 0; i < this.children.length;i++) {
def = this.children[i].getNodeDefinition();
if (def === false) { return false;}
children.push(def);
}
if (children.length) { defs.children = children; }
return defs;
},
/**
* Generates the link that will invoke this node's toggle method
* @method getToggleLink
* @return {string} the javascript url for toggling this node
*/
getToggleLink: function() {
return 'return false;';
},
/**
* Sets the value of property for this node and all loaded descendants.
* Only public and defined properties can be set, not methods.
* Values for unknown properties will be assigned to the refNode.data object
* @method setNodesProperty
* @param name {string} Name of the property to be set
* @param value {any} value to be set
* @param refresh {boolean} if present and true, it does a refresh
*/
setNodesProperty: function(name, value, refresh) {
if (name.charAt(0) != '_' && !Lang.isUndefined(this[name]) && !Lang.isFunction(this[name]) ) {
this[name] = value;
} else {
this.data[name] = value;
}
for (var i = 0; i < this.children.length;i++) {
this.children[i].setNodesProperty(name,value);
}
if (refresh) {
this.refresh();
}
},
/**
* Toggles the highlighted state of a Node
* @method toggleHighlight
*/
toggleHighlight: function() {
if (this.enableHighlight) {
// unhighlights only if fully highligthed. For not or partially highlighted it will highlight
if (this.highlightState == 1) {
this.unhighlight();
} else {
this.highlight();
}
}
},
/**
* Turns highlighting on node.
* @method highlight
* @param _silent {boolean} optional, don't fire the highlightEvent
*/
highlight: function(_silent) {
if (this.enableHighlight) {
if (this.tree.singleNodeHighlight) {
if (this.tree._currentlyHighlighted) {
this.tree._currentlyHighlighted.unhighlight(_silent);
}
this.tree._currentlyHighlighted = this;
}
this.highlightState = 1;
this._setHighlightClassName();
if (!this.tree.singleNodeHighlight) {
if (this.propagateHighlightDown) {
for (var i = 0;i < this.children.length;i++) {
this.children[i].highlight(true);
}
}
if (this.propagateHighlightUp) {
if (this.parent) {
this.parent._childrenHighlighted();
}
}
}
if (!_silent) {
this.tree.fireEvent('highlightEvent',this);
}
}
},
/**
* Turns highlighting off a node.
* @method unhighlight
* @param _silent {boolean} optional, don't fire the highlightEvent
*/
unhighlight: function(_silent) {
if (this.enableHighlight) {
// might have checked singleNodeHighlight but it wouldn't really matter either way
this.tree._currentlyHighlighted = null;
this.highlightState = 0;
this._setHighlightClassName();
if (!this.tree.singleNodeHighlight) {
if (this.propagateHighlightDown) {
for (var i = 0;i < this.children.length;i++) {
this.children[i].unhighlight(true);
}
}
if (this.propagateHighlightUp) {
if (this.parent) {
this.parent._childrenHighlighted();
}
}
}
if (!_silent) {
this.tree.fireEvent('highlightEvent',this);
}
}
},
/**
* Checks whether all or part of the children of a node are highlighted and
* sets the node highlight to full, none or partial highlight.
* If set to propagate it will further call the parent
* @method _childrenHighlighted
* @private
*/
_childrenHighlighted: function() {
var yes = false, no = false;
if (this.enableHighlight) {
for (var i = 0;i < this.children.length;i++) {
switch(this.children[i].highlightState) {
case 0:
no = true;
break;
case 1:
yes = true;
break;
case 2:
yes = no = true;
break;
}
}
if (yes && no) {
this.highlightState = 2;
} else if (yes) {
this.highlightState = 1;
} else {
this.highlightState = 0;
}
this._setHighlightClassName();
if (this.propagateHighlightUp) {
if (this.parent) {
this.parent._childrenHighlighted();
}
}
}
},
/**
* Changes the classNames on the toggle and content containers to reflect the current highlighting
* @method _setHighlightClassName
* @private
*/
_setHighlightClassName: function() {
var el = Dom.get('ygtvtableel' + this.index);
if (el) {
el.className = el.className.replace(/\bygtv-highlight\d\b/gi,'ygtv-highlight' + this.highlightState);
}
}
};
YAHOO.augment(YAHOO.widget.Node, YAHOO.util.EventProvider);
})();
/**
* A custom YAHOO.widget.Node that handles the unique nature of
* the virtual, presentationless root node.
* @namespace YAHOO.widget
* @class RootNode
* @extends YAHOO.widget.Node
* @param oTree {YAHOO.widget.TreeView} The tree instance this node belongs to
* @constructor
*/
YAHOO.widget.RootNode = function(oTree) {
// Initialize the node with null params. The root node is a
// special case where the node has no presentation. So we have
// to alter the standard properties a bit.
this.init(null, null, true);
/*
* For the root node, we get the tree reference from as a param
* to the constructor instead of from the parent element.
*/
this.tree = oTree;
};
YAHOO.extend(YAHOO.widget.RootNode, YAHOO.widget.Node, {
/**
* The node type
* @property _type
* @type string
* @private
* @default "RootNode"
*/
_type: "RootNode",
// overrides YAHOO.widget.Node
getNodeHtml: function() {
return "";
},
toString: function() {
return this._type;
},
loadComplete: function() {
this.tree.draw();
},
/**
* Count of nodes in tree.
* It overrides Nodes.getNodeCount because the root node should not be counted.
* @method getNodeCount
* @return {int} number of nodes in the tree
*/
getNodeCount: function() {
for (var i = 0, count = 0;i< this.children.length;i++) {
count += this.children[i].getNodeCount();
}
return count;
},
/**
* 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.
* Since the RootNode is automatically created by treeView,
* its own definition is excluded from the returned node definition
* which only contains its children.
* @method getNodeDefinition
* @return {Object | false} definition of the tree or false if any child node is defined as dynamic
*/
getNodeDefinition: function() {
for (var def, defs = [], i = 0; i < this.children.length;i++) {
def = this.children[i].getNodeDefinition();
if (def === false) { return false;}
defs.push(def);
}
return defs;
},
collapse: function() {},
expand: function() {},
getSiblings: function() { return null; },
focus: function () {}
});
(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;
}
}
});
})();
/**
* A menu-specific implementation that differs from TextNode in that only
* one sibling can be expanded at a time.
* @namespace YAHOO.widget
* @class MenuNode
* @extends YAHOO.widget.TextNode
* @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)
* @constructor
*/
YAHOO.widget.MenuNode = function(oData, oParent, expanded) {
YAHOO.widget.MenuNode.superclass.constructor.call(this,oData,oParent,expanded);
/*
* Menus usually allow only one branch to be open at a time.
*/
this.multiExpand = false;
};
YAHOO.extend(YAHOO.widget.MenuNode, YAHOO.widget.TextNode, {
/**
* The node type
* @property _type
* @private
* @default "MenuNode"
*/
_type: "MenuNode"
});
(function () {
var Dom = YAHOO.util.Dom,
Lang = YAHOO.lang,
Event = YAHOO.util.Event;
/**
* This implementation takes either a string or object for the
* oData argument. If is it a string, it will use it for the display
* of this node (and it can contain any html code). If the parameter
* is an object,it looks for a parameter called "html" that will be
* used for this node's display.
* @namespace YAHOO.widget
* @class HTMLNode
* @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 html.
* 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 other 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)
* @param hasIcon {boolean} specifies whether or not leaf nodes should
* be rendered with or without a horizontal line line and/or toggle icon. If the icon
* is not displayed, the content fills the space it would have occupied.
* This option operates independently of the leaf node presentation logic
* for dynamic nodes.
* (deprecated; use oData.hasIcon)
*/
YAHOO.widget.HTMLNode = function(oData, oParent, expanded, hasIcon) {
if (oData) {
this.init(oData, oParent, expanded);
this.initContent(oData, hasIcon);
}
};
YAHOO.extend(YAHOO.widget.HTMLNode, YAHOO.widget.Node, {
/**
* The CSS class for the html content container. Defaults to ygtvhtml, but
* can be overridden to provide a custom presentation for a specific node.
* @property contentStyle
* @type string
*/
contentStyle: "ygtvhtml",
/**
* The HTML content to use for this node's display
* @property html
* @type string
*/
html: null,
/**
* The node type
* @property _type
* @private
* @type string
* @default "HTMLNode"
*/
_type: "HTMLNode",
/**
* Sets up the node label
* @property initContent
* @param oData {object} An html string or object containing an html property
* @param hasIcon {boolean} determines if the node will be rendered with an
* icon or not
*/
initContent: function(oData, hasIcon) {
this.setHtml(oData);
this.contentElId = "ygtvcontentel" + this.index;
if (!Lang.isUndefined(hasIcon)) { this.hasIcon = hasIcon; }
this.logger = new YAHOO.widget.LogWriter(this.toString());
},
/**
* Synchronizes the node.html, and the node's content
* @property setHtml
* @param o {object} An html string or object containing an html property
*/
setHtml: function(o) {
this.html = (typeof o === "string") ? o : o.html;
var el = this.getContentEl();
if (el) {
el.innerHTML = this.html;
}
},
// overrides YAHOO.widget.Node
getContentHtml: function() {
return this.html;
},
/**
* 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 any node loads dynamically, regardless of whether it is loaded or not.
* @method getNodeDefinition
* @return {Object | false} definition of the tree or false if any node is defined as dynamic
*/
getNodeDefinition: function() {
var def = YAHOO.widget.HTMLNode.superclass.getNodeDefinition.call(this);
if (def === false) { return false; }
def.html = this.html;
return def;
}
});
})();
(function () {
var Dom = YAHOO.util.Dom,
Lang = YAHOO.lang,
Event = YAHOO.util.Event,
Calendar = YAHOO.widget.Calendar;
/**
* A Date-specific implementation that differs from TextNode in that it uses
* YAHOO.widget.Calendar as an in-line editor, if available
* If Calendar is not available, it behaves as a plain TextNode.
* @namespace YAHOO.widget
* @class DateNode
* @extends YAHOO.widget.TextNode
* @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 nor 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)
* @constructor
*/
YAHOO.widget.DateNode = function(oData, oParent, expanded) {
YAHOO.widget.DateNode.superclass.constructor.call(this,oData, oParent, expanded);
};
YAHOO.extend(YAHOO.widget.DateNode, YAHOO.widget.TextNode, {
/**
* The node type
* @property _type
* @type string
* @private
* @default "DateNode"
*/
_type: "DateNode",
/**
* Configuration object for the Calendar editor, if used.
* See <a href="http://developer.yahoo.com/yui/calendar/#internationalization">http://developer.yahoo.com/yui/calendar/#internationalization</a>
* @property calendarConfig
*/
calendarConfig: null,
/**
* If YAHOO.widget.Calendar is available, it will pop up a Calendar to enter a new date. Otherwise, it falls back to a plain &lt;input&gt; textbox
* @method fillEditorContainer
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @return void
*/
fillEditorContainer: function (editorData) {
var cal, container = editorData.inputContainer;
if (Lang.isUndefined(Calendar)) {
Dom.replaceClass(editorData.editorPanel,'ygtv-edit-DateNode','ygtv-edit-TextNode');
YAHOO.widget.DateNode.superclass.fillEditorContainer.call(this, editorData);
return;
}
if (editorData.nodeType != this._type) {
editorData.nodeType = this._type;
editorData.saveOnEnter = false;
editorData.node.destroyEditorContents(editorData);
editorData.inputObject = cal = new Calendar(container.appendChild(document.createElement('div')));
if (this.calendarConfig) {
cal.cfg.applyConfig(this.calendarConfig,true);
cal.cfg.fireQueue();
}
cal.selectEvent.subscribe(function () {
this.tree._closeEditor(true);
},this,true);
} else {
cal = editorData.inputObject;
}
editorData.oldValue = this.label;
cal.cfg.setProperty("selected",this.label, false);
var delim = cal.cfg.getProperty('DATE_FIELD_DELIMITER');
var pageDate = this.label.split(delim);
cal.cfg.setProperty('pagedate',pageDate[cal.cfg.getProperty('MDY_MONTH_POSITION') -1] + delim + pageDate[cal.cfg.getProperty('MDY_YEAR_POSITION') -1]);
cal.cfg.fireQueue();
cal.render();
cal.oDomContainer.focus();
},
/**
* Returns the value from the input element.
* Overrides Node.getEditorValue.
* @method getEditorValue
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @return {string} date entered
*/
getEditorValue: function (editorData) {
if (Lang.isUndefined(Calendar)) {
return editorData.inputElement.value;
} else {
var cal = editorData.inputObject,
date = cal.getSelectedDates()[0],
dd = [];
dd[cal.cfg.getProperty('MDY_DAY_POSITION') -1] = date.getDate();
dd[cal.cfg.getProperty('MDY_MONTH_POSITION') -1] = date.getMonth() + 1;
dd[cal.cfg.getProperty('MDY_YEAR_POSITION') -1] = date.getFullYear();
return dd.join(cal.cfg.getProperty('DATE_FIELD_DELIMITER'));
}
},
/**
* Finally displays the newly entered date in the tree.
* Overrides Node.displayEditedValue.
* @method displayEditedValue
* @param value {string} date to be displayed and stored in the node
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
*/
displayEditedValue: function (value,editorData) {
var node = editorData.node;
node.label = value;
node.getLabelEl().innerHTML = value;
},
/**
* 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 node or false if this node or any descendant is defined as dynamic
*/
getNodeDefinition: function() {
var def = YAHOO.widget.DateNode.superclass.getNodeDefinition.call(this);
if (def === false) { return false; }
if (this.calendarConfig) { def.calendarConfig = this.calendarConfig; }
return def;
}
});
})();
(function () {
var Dom = YAHOO.util.Dom,
Lang = YAHOO.lang,
Event = YAHOO.util.Event,
TV = YAHOO.widget.TreeView,
TVproto = TV.prototype;
/**
* An object to store information used for in-line editing
* for all Nodes of all TreeViews. It contains:
* <ul>
* <li>active {boolean}, whether there is an active cell editor </li>
* <li>whoHasIt {YAHOO.widget.TreeView} TreeView instance that is currently using the editor</li>
* <li>nodeType {string} value of static Node._type property, allows reuse of input element if node is of the same type.</li>
* <li>editorPanel {HTMLelement (&lt;div&gt;)} element holding the in-line editor</li>
* <li>inputContainer {HTMLelement (&lt;div&gt;)} element which will hold the type-specific input element(s) to be filled by the fillEditorContainer method</li>
* <li>buttonsContainer {HTMLelement (&lt;div&gt;)} element which holds the &lt;button&gt; elements for Ok/Cancel. If you don't want any of the buttons, hide it via CSS styles, don't destroy it</li>
* <li>node {YAHOO.widget.Node} reference to the Node being edited</li>
* <li>saveOnEnter {boolean}, whether the Enter key should be accepted as a Save command (Esc. is always taken as Cancel), disable for multi-line input elements </li>
* <li>oldValue {any} value before editing</li>
* </ul>
* Editors are free to use this object to store additional data.
* @property editorData
* @static
* @for YAHOO.widget.TreeView
*/
TV.editorData = {
active:false,
whoHasIt:null, // which TreeView has it
nodeType:null,
editorPanel:null,
inputContainer:null,
buttonsContainer:null,
node:null, // which Node is being edited
saveOnEnter:true,
oldValue:undefined
// Each node type is free to add its own properties to this as it sees fit.
};
/**
* Validator function for edited data, called from the TreeView instance scope,
* receives the arguments (newValue, oldValue, nodeInstance)
* and returns either the validated (or type-converted) value or undefined.
* An undefined return will prevent the editor from closing
* @property validator
* @type function
* @default null
* @for YAHOO.widget.TreeView
*/
TVproto.validator = null;
/**
* Entry point for initializing the editing plug-in.
* TreeView will call this method on initializing if it exists
* @method _initEditor
* @for YAHOO.widget.TreeView
* @private
*/
TVproto._initEditor = function () {
/**
* Fires when the user clicks on the ok button of a node editor
* @event editorSaveEvent
* @type CustomEvent
* @param oArgs.newValue {mixed} the new value just entered
* @param oArgs.oldValue {mixed} the value originally in the tree
* @param oArgs.node {YAHOO.widget.Node} the node that has the focus
* @for YAHOO.widget.TreeView
*/
this.createEvent("editorSaveEvent", this);
/**
* Fires when the user clicks on the cancel button of a node editor
* @event editorCancelEvent
* @type CustomEvent
* @param {YAHOO.widget.Node} node the node that has the focus
* @for YAHOO.widget.TreeView
*/
this.createEvent("editorCancelEvent", this);
};
/**
* Entry point of the editing plug-in.
* TreeView will call this method if it exists when a node label is clicked
* @method _nodeEditing
* @param node {YAHOO.widget.Node} the node to be edited
* @return {Boolean} true to indicate that the node is editable and prevent any further bubbling of the click.
* @for YAHOO.widget.TreeView
* @private
*/
TVproto._nodeEditing = function (node) {
if (node.fillEditorContainer && node.editable) {
var ed, topLeft, buttons, button, editorData = TV.editorData;
editorData.active = true;
editorData.whoHasIt = this;
if (!editorData.nodeType) {
editorData.editorPanel = ed = document.body.appendChild(document.createElement('div'));
Dom.addClass(ed,'ygtv-label-editor');
buttons = editorData.buttonsContainer = ed.appendChild(document.createElement('div'));
Dom.addClass(buttons,'ygtv-button-container');
button = buttons.appendChild(document.createElement('button'));
Dom.addClass(button,'ygtvok');
button.innerHTML = ' ';
button = buttons.appendChild(document.createElement('button'));
Dom.addClass(button,'ygtvcancel');
button.innerHTML = ' ';
Event.on(buttons, 'click', function (ev) {
this.logger.log('click on editor');
var target = Event.getTarget(ev);
var node = TV.editorData.node;
if (Dom.hasClass(target,'ygtvok')) {
node.logger.log('ygtvok');
Event.stopEvent(ev);
this._closeEditor(true);
}
if (Dom.hasClass(target,'ygtvcancel')) {
node.logger.log('ygtvcancel');
Event.stopEvent(ev);
this._closeEditor(false);
}
}, this, true);
editorData.inputContainer = ed.appendChild(document.createElement('div'));
Dom.addClass(editorData.inputContainer,'ygtv-input');
Event.on(ed,'keydown',function (ev) {
var editorData = TV.editorData,
KEY = YAHOO.util.KeyListener.KEY;
switch (ev.keyCode) {
case KEY.ENTER:
this.logger.log('ENTER');
Event.stopEvent(ev);
if (editorData.saveOnEnter) {
this._closeEditor(true);
}
break;
case KEY.ESCAPE:
this.logger.log('ESC');
Event.stopEvent(ev);
this._closeEditor(false);
break;
}
},this,true);
} else {
ed = editorData.editorPanel;
}
editorData.node = node;
if (editorData.nodeType) {
Dom.removeClass(ed,'ygtv-edit-' + editorData.nodeType);
}
Dom.addClass(ed,' ygtv-edit-' + node._type);
topLeft = Dom.getXY(node.getContentEl());
Dom.setStyle(ed,'left',topLeft[0] + 'px');
Dom.setStyle(ed,'top',topLeft[1] + 'px');
Dom.setStyle(ed,'display','block');
ed.focus();
node.fillEditorContainer(editorData);
return true; // If inline editor available, don't do anything else.
}
};
/**
* Method to be associated with an event (clickEvent, dblClickEvent or enterKeyPressed) to pop up the contents editor
* It calls the corresponding node editNode method.
* @method onEventEditNode
* @param oArgs {object} Object passed as arguments to TreeView event listeners
* @for YAHOO.widget.TreeView
*/
TVproto.onEventEditNode = function (oArgs) {
if (oArgs instanceof YAHOO.widget.Node) {
oArgs.editNode();
} else if (oArgs.node instanceof YAHOO.widget.Node) {
oArgs.node.editNode();
}
};
/**
* Method to be called when the inline editing is finished and the editor is to be closed
* @method _closeEditor
* @param save {Boolean} true if the edited value is to be saved, false if discarded
* @private
* @for YAHOO.widget.TreeView
*/
TVproto._closeEditor = function (save) {
var ed = TV.editorData,
node = ed.node,
close = true;
if (save) {
close = ed.node.saveEditorValue(ed) !== false;
} else {
this.fireEvent( 'editorCancelEvent', node);
}
if (close) {
Dom.setStyle(ed.editorPanel,'display','none');
ed.active = false;
node.focus();
}
};
/**
* Entry point for TreeView's destroy method to destroy whatever the editing plug-in has created
* @method _destroyEditor
* @private
* @for YAHOO.widget.TreeView
*/
TVproto._destroyEditor = function() {
var ed = TV.editorData;
if (ed && ed.nodeType && (!ed.active || ed.whoHasIt === this)) {
Event.removeListener(ed.editorPanel,'keydown');
Event.removeListener(ed.buttonContainer,'click');
ed.node.destroyEditorContents(ed);
document.body.removeChild(ed.editorPanel);
ed.nodeType = ed.editorPanel = ed.inputContainer = ed.buttonsContainer = ed.whoHasIt = ed.node = null;
ed.active = false;
}
};
var Nproto = YAHOO.widget.Node.prototype;
/**
* Signals if the label is editable. (Ignored on TextNodes with href set.)
* @property editable
* @type boolean
* @for YAHOO.widget.Node
*/
Nproto.editable = false;
/**
* pops up the contents editor, if there is one and the node is declared editable
* @method editNode
* @for YAHOO.widget.Node
*/
Nproto.editNode = function () {
this.tree._nodeEditing(this);
};
/** Placeholder for a function that should provide the inline node label editor.
* Leaving it set to null will indicate that this node type is not editable.
* It should be overridden by nodes that provide inline editing.
* The Node-specific editing element (input box, textarea or whatever) should be inserted into editorData.inputContainer.
* @method fillEditorContainer
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @return void
* @for YAHOO.widget.Node
*/
Nproto.fillEditorContainer = null;
/**
* Node-specific destroy function to empty the contents of the inline editor panel.
* This function is the worst case alternative that will purge all possible events and remove the editor contents.
* Method Event.purgeElement is somewhat costly so if it can be replaced by specifc Event.removeListeners, it is better to do so.
* @method destroyEditorContents
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @for YAHOO.widget.Node
*/
Nproto.destroyEditorContents = function (editorData) {
// In the worst case, if the input editor (such as the Calendar) has no destroy method
// we can only try to remove all possible events on it.
Event.purgeElement(editorData.inputContainer,true);
editorData.inputContainer.innerHTML = '';
};
/**
* Saves the value entered into the editor.
* @method saveEditorValue
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @return {false or none} a return of exactly false will prevent the editor from closing
* @for YAHOO.widget.Node
*/
Nproto.saveEditorValue = function (editorData) {
var node = editorData.node,
value,
validator = node.tree.validator;
value = this.getEditorValue(editorData);
if (Lang.isFunction(validator)) {
value = validator(value,editorData.oldValue,node);
if (Lang.isUndefined(value)) {
return false;
}
}
if (this.tree.fireEvent( 'editorSaveEvent', {
newValue:value,
oldValue:editorData.oldValue,
node:node
}) !== false) {
this.displayEditedValue(value,editorData);
}
};
/**
* Returns the value(s) from the input element(s) .
* Should be overridden by each node type.
* @method getEditorValue
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @return {any} value entered
* @for YAHOO.widget.Node
*/
Nproto.getEditorValue = function (editorData) {
};
/**
* Finally displays the newly edited value(s) in the tree.
* Should be overridden by each node type.
* @method displayEditedValue
* @param value {any} value to be displayed and stored in the node
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @for YAHOO.widget.Node
*/
Nproto.displayEditedValue = function (value,editorData) {
};
var TNproto = YAHOO.widget.TextNode.prototype;
/**
* Places an &lt;input&gt; textbox in the input container and loads the label text into it.
* @method fillEditorContainer
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @return void
* @for YAHOO.widget.TextNode
*/
TNproto.fillEditorContainer = function (editorData) {
var input;
// If last node edited is not of the same type as this one, delete it and fill it with our editor
if (editorData.nodeType != this._type) {
editorData.nodeType = this._type;
editorData.saveOnEnter = true;
editorData.node.destroyEditorContents(editorData);
editorData.inputElement = input = editorData.inputContainer.appendChild(document.createElement('input'));
} else {
// if the last node edited was of the same time, reuse the input element.
input = editorData.inputElement;
}
editorData.oldValue = this.label;
input.value = this.label;
input.focus();
input.select();
};
/**
* Returns the value from the input element.
* Overrides Node.getEditorValue.
* @method getEditorValue
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @return {string} value entered
* @for YAHOO.widget.TextNode
*/
TNproto.getEditorValue = function (editorData) {
return editorData.inputElement.value;
};
/**
* Finally displays the newly edited value in the tree.
* Overrides Node.displayEditedValue.
* @method displayEditedValue
* @param value {string} value to be displayed and stored in the node
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @for YAHOO.widget.TextNode
*/
TNproto.displayEditedValue = function (value,editorData) {
var node = editorData.node;
node.label = value;
node.getLabelEl().innerHTML = value;
};
/**
* Destroys the contents of the inline editor panel.
* Overrides Node.destroyEditorContent.
* Since we didn't set any event listeners on this inline editor, it is more efficient to avoid the generic method in Node.
* @method destroyEditorContents
* @param editorData {YAHOO.widget.TreeView.editorData} a shortcut to the static object holding editing information
* @for YAHOO.widget.TextNode
*/
TNproto.destroyEditorContents = function (editorData) {
editorData.inputContainer.innerHTML = '';
};
})();
/**
* A static factory class for tree view expand/collapse animations
* @class TVAnim
* @static
*/
YAHOO.widget.TVAnim = function() {
return {
/**
* Constant for the fade in animation
* @property FADE_IN
* @type string
* @static
*/
FADE_IN: "TVFadeIn",
/**
* Constant for the fade out animation
* @property FADE_OUT
* @type string
* @static
*/
FADE_OUT: "TVFadeOut",
/**
* Returns a ygAnim instance of the given type
* @method getAnim
* @param type {string} the type of animation
* @param el {HTMLElement} the element to element (probably the children div)
* @param callback {function} function to invoke when the animation is done.
* @return {YAHOO.util.Animation} the animation instance
* @static
*/
getAnim: function(type, el, callback) {
if (YAHOO.widget[type]) {
return new YAHOO.widget[type](el, callback);
} else {
return null;
}
},
/**
* Returns true if the specified animation class is available
* @method isValid
* @param type {string} the type of animation
* @return {boolean} true if valid, false if not
* @static
*/
isValid: function(type) {
return (YAHOO.widget[type]);
}
};
} ();
/**
* A 1/2 second fade-in animation.
* @class TVFadeIn
* @constructor
* @param el {HTMLElement} the element to animate
* @param callback {function} function to invoke when the animation is finished
*/
YAHOO.widget.TVFadeIn = function(el, callback) {
/**
* The element to animate
* @property el
* @type HTMLElement
*/
this.el = el;
/**
* the callback to invoke when the animation is complete
* @property callback
* @type function
*/
this.callback = callback;
this.logger = new YAHOO.widget.LogWriter(this.toString());
};
YAHOO.widget.TVFadeIn.prototype = {
/**
* Performs the animation
* @method animate
*/
animate: function() {
var tvanim = this;
var s = this.el.style;
s.opacity = 0.1;
s.filter = "alpha(opacity=10)";
s.display = "";
var dur = 0.4;
var a = new YAHOO.util.Anim(this.el, {opacity: {from: 0.1, to: 1, unit:""}}, dur);
a.onComplete.subscribe( function() { tvanim.onComplete(); } );
a.animate();
},
/**
* Clean up and invoke callback
* @method onComplete
*/
onComplete: function() {
this.callback();
},
/**
* toString
* @method toString
* @return {string} the string representation of the instance
*/
toString: function() {
return "TVFadeIn";
}
};
/**
* A 1/2 second fade out animation.
* @class TVFadeOut
* @constructor
* @param el {HTMLElement} the element to animate
* @param callback {Function} function to invoke when the animation is finished
*/
YAHOO.widget.TVFadeOut = function(el, callback) {
/**
* The element to animate
* @property el
* @type HTMLElement
*/
this.el = el;
/**
* the callback to invoke when the animation is complete
* @property callback
* @type function
*/
this.callback = callback;
this.logger = new YAHOO.widget.LogWriter(this.toString());
};
YAHOO.widget.TVFadeOut.prototype = {
/**
* Performs the animation
* @method animate
*/
animate: function() {
var tvanim = this;
var dur = 0.4;
var a = new YAHOO.util.Anim(this.el, {opacity: {from: 1, to: 0.1, unit:""}}, dur);
a.onComplete.subscribe( function() { tvanim.onComplete(); } );
a.animate();
},
/**
* Clean up and invoke callback
* @method onComplete
*/
onComplete: function() {
var s = this.el.style;
s.display = "none";
s.opacity = 1;
s.filter = "alpha(opacity=100)";
this.callback();
},
/**
* toString
* @method toString
* @return {string} the string representation of the instance
*/
toString: function() {
return "TVFadeOut";
}
};
YAHOO.register("treeview", YAHOO.widget.TreeView, {version: "2.8.2r1", build: "7"});