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YAHOO.widget.TreeView.html
3624 lines (2574 loc) · 225 KB
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YAHOO.widget.TreeView.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html xmlns:yui="http://yuilibrary.com/rdf/1.0/yui.rdf#">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>API: treeview YAHOO.widget.TreeView (YUI Library)</title>
<link rel="stylesheet" type="text/css" href="assets/reset-fonts-grids-min.css" />
<link rel="stylesheet" type="text/css" href="assets/api.css" />
<script type="text/javascript" src="assets/api-js"></script>
<script type="text/javascript" src="assets/ac-js"></script>
</head>
<body id="yahoo-com">
<div id="doc3" class="yui-t2">
<div id="hd">
<h1><a href="http://developer.yahoo.com/yui/" title="Yahoo! UI Library">Yahoo! UI Library</a></h1>
<h3>TreeView Widget <span class="subtitle">2.7.0</span></h3>
<a href="./index.html" title="Yahoo! UI Library">Yahoo! UI Library</a>
> <a href="./module_treeview.html" title="treeview">treeview</a>
> YAHOO.widget.TreeView
<form onsubmit="return false">
<div id="propertysearch">
Search: <input autocomplete="off" id="searchinput" />
<div id="searchresults">
</div>
</div>
</form>
</div>
<div id="bd">
<div id="yui-main">
<div class="yui-b">
<form action="#" name="yui-classopts-form" method="get" id="yui-classopts-form">
<fieldset>
<legend>Filters</legend>
<span class="classopts"><input type="checkbox" name="show_private" id="show_private" /> <label for="show_private">Show Private</label></span>
<span class="classopts"><input type="checkbox" name="show_protected" id="show_protected" /> <label for="show_protected">Show Protected</label></span>
<span class="classopts"><input type="checkbox" name="show_deprecated" id="show_deprecated" /> <label for="show_deprecated">Show Deprecated</label></span>
</fieldset>
</form>
<h2>
Class <b property="yui:name">YAHOO.widget.TreeView</b>
<span class="extends">
</span>
<span class="extends" rel="yui:extends">
- uses
<span rel="extend" resource="YAHOO.util.EventProvider.html">
<a href="YAHOO.util.EventProvider.html" property="yui:name" title="YAHOO.util.EventProvider">YAHOO.util.EventProvider</a>
</span>
</span>
</h2>
<!-- class tree goes here -->
<div class="summary description" property="yui:description">
Contains the tree view state data and the root node.
</div>
<div class="section constructor details" rel="yui:constructor" resource="#constructor">
<h3 id="constructor">Constructor</h3>
<div class="content">
<div class="detail">
<strong property="yui:name">YAHOO.widget.TreeView</strong>
<code>
(
id
,
oConfig
)
</code>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">id</span>
<<span property="yui:type">string|HTMLElement</span>>
</code>
<span property="yui:description"> 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</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">oConfig</span>
<<span property="yui:type">Array|object|string</span>>
</code>
<span property="yui:description"> (optional) An array containing the definition of the tree. (see buildTreeFromObject)</span>
</dd>
</dl>
</div>
</div>
</div>
</div>
<div rel="yui:properties" resource="#properties">
<div class="section field details">
<h3 id="properties">Properties</h3>
<div class="content">
<div class="private" rel="yui:property" resource="#property__animCount">
<h4><a name="property__animCount" property="yui:name">_animCount</a>
- <code>private <span property="yui:type">int</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
The current number of animations that are executing
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:property" resource="#property__collapseAnim">
<h4><a name="property__collapseAnim" property="yui:name">_collapseAnim</a>
- <code>private <span property="yui:type">string</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
The animation to use for collapsing children, if any
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:property" resource="#property__currentlyHighlighted">
<h4><a name="property__currentlyHighlighted" property="yui:name">_currentlyHighlighted</a>
- <code>private <span property="yui:type">YAHOO.widget.Node</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
A reference to the Node that is currently highlighted.
It is only meaningful if singleNodeHighlight is enabled
</div>
</div>
<div class="default" property="yui:defaultValue">
Default Value: null
</div>
<hr />
</div>
<div class="private" rel="yui:property" resource="#property__dblClickTimer">
<h4><a name="property__dblClickTimer" property="yui:name">_dblClickTimer</a>
- <code>private <span property="yui:type">window.timer object</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
Stores the timer used to check for double clicks
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:property" resource="#property__el">
<h4><a name="property__el" property="yui:name">_el</a>
- <code>private <span property="yui:type">HTMLelement</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
The host element for this tree
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:property" resource="#property__expandAnim">
<h4><a name="property__expandAnim" property="yui:name">_expandAnim</a>
- <code>private <span property="yui:type">string</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
The animation to use for expanding children, if any
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:property" resource="#property__hasDblClickSubscriber">
<h4><a name="property__hasDblClickSubscriber" property="yui:name">_hasDblClickSubscriber</a>
- <code>private <span property="yui:type">boolean</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
Whether there is any subscriber to dblClickEvent
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:property" resource="#property__nodes">
<h4><a name="property__nodes" property="yui:name">_nodes</a>
- <code>private <span property="yui:type">Node[]</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
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.
</div>
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_currentFocus">
<h4><a name="property_currentFocus" property="yui:name">currentFocus</a>
- <code><span property="yui:type">YAHOO.widget.Node</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
A reference to the Node currently having the focus or null if none.
</div>
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_editorData">
<h4><a name="property_editorData" property="yui:name">editorData</a>
- <code>static <span property="yui:type">object</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
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 (<div>)} element holding the in-line editor</li>
<li>inputContainer {HTMLelement (<div>)} element which will hold the type-specific input element(s) to be filled by the fillEditorContainer method</li>
<li>buttonsContainer {HTMLelement (<div>)} element which holds the <button> 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.
</div>
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_id">
<h4><a name="property_id" property="yui:name">id</a>
- <code><span property="yui:type">String</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
The id of tree container element
</div>
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_locked">
<h4><a name="property_locked" property="yui:name">locked</a>
- <code><span property="yui:type">boolean</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
We lock the tree control while waiting for the dynamic loader to return
</div>
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_maxAnim">
<h4><a name="property_maxAnim" property="yui:name">maxAnim</a>
- <code><span property="yui:type">int</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
The maximum number of animations to run at one time.
</div>
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_singleNodeHighlight">
<h4><a name="property_singleNodeHighlight" property="yui:name">singleNodeHighlight</a>
- <code><span property="yui:type">boolean</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
If true, only one Node can be highlighted at a time
</div>
</div>
<div class="default" property="yui:defaultValue">
Default Value: false
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_TreeView.FOCUS_CLASS_NAME">
<h4><a name="property_TreeView.FOCUS_CLASS_NAME" property="yui:name">TreeView.FOCUS_CLASS_NAME</a>
- <code>static final <span property="yui:type">String</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
Class name assigned to elements that have the focus
</div>
</div>
<div class="default" property="yui:defaultValue">
Default Value: "ygtvfocus"
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_validator">
<h4><a name="property_validator" property="yui:name">validator</a>
- <code><span property="yui:type">function</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
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
</div>
</div>
<div class="default" property="yui:defaultValue">
Default Value: null
</div>
<hr />
</div>
<div class="" rel="yui:property" resource="#property_YAHOO.widget.TreeView.nodeCount">
<h4><a name="property_YAHOO.widget.TreeView.nodeCount" property="yui:name">YAHOO.widget.TreeView.nodeCount</a>
- <code>static <span property="yui:type">int</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
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.
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:property" resource="#property_YAHOO.widget.TreeView.trees">
<h4><a name="property_YAHOO.widget.TreeView.trees" property="yui:name">YAHOO.widget.TreeView.trees</a>
- <code>private static <span property="yui:type">Array</span></code>
</h4>
<div class="detail">
<div class="description" property="yui:description">
Global cache of tree instances
</div>
</div>
<hr />
</div>
</div>
</div>
</div>
<div rel="yui:methods" resource="#methods">
<div class="section method details">
<h3 id="methods">Methods</h3>
<div class="content">
<div class="private" rel="yui:method" resource="#method__closeEditor">
<h4>
<a name="method__closeEditor">_closeEditor</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_closeEditor</strong>
(
save
)
</code>
<div class="description" property="yui:description">
Method to be called when the inline editing is finished and the editor is to be closed
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">save</span>
<<span property="yui:type">Boolean</span>>
</code>
<span property="yui:description"> true if the edited value is to be saved, false if discarded</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__deleteNode">
<h4>
<a name="method__deleteNode">_deleteNode</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_deleteNode</strong>
(
)
</code>
<div class="description" property="yui:description">
Deletes the node and recurses children
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__destroyEditor">
<h4>
<a name="method__destroyEditor">_destroyEditor</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_destroyEditor</strong>
(
)
</code>
<div class="description" property="yui:description">
Entry point for TreeView's destroy method to destroy whatever the editing plug-in has created
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__getEventTargetTdEl">
<h4>
<a name="method__getEventTargetTdEl">_getEventTargetTdEl</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_getEventTargetTdEl</strong>
(
)
</code>
<div class="description" property="yui:description">
Returns the TD element where the event has occurred
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__initEditor">
<h4>
<a name="method__initEditor">_initEditor</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_initEditor</strong>
(
)
</code>
<div class="description" property="yui:description">
Entry point for initializing the editing plug-in.
TreeView will call this method on initializing if it exists
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__nodeEditing">
<h4>
<a name="method__nodeEditing">_nodeEditing</a></h4>
<div class="detail" >
<code>
private
Boolean
<strong property="yui:name">_nodeEditing</strong>
(
node
)
</code>
<div class="description" property="yui:description">
Entry point of the editing plug-in.
TreeView will call this method if it exists when a node label is clicked
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">node</span>
<<span property="yui:type">YAHOO.widget.Node</span>>
</code>
<span property="yui:description"> the node to be edited</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
Boolean
</code></dt>
<dd property="yui:returnInfo">true to indicate that the node is editable and prevent any further bubbling of the click.</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__onClickEvent">
<h4>
<a name="method__onClickEvent">_onClickEvent</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_onClickEvent</strong>
(
)
</code>
<div class="description" property="yui:description">
Event listener for click events
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__onDblClickEvent">
<h4>
<a name="method__onDblClickEvent">_onDblClickEvent</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_onDblClickEvent</strong>
(
)
</code>
<div class="description" property="yui:description">
Event listener for double-click events
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__onKeyDownEvent">
<h4>
<a name="method__onKeyDownEvent">_onKeyDownEvent</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_onKeyDownEvent</strong>
(
)
</code>
<div class="description" property="yui:description">
Event listener for key down events
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__onMouseOutEvent">
<h4>
<a name="method__onMouseOutEvent">_onMouseOutEvent</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_onMouseOutEvent</strong>
(
)
</code>
<div class="description" property="yui:description">
Event listener for mouse out events
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__onMouseOverEvent">
<h4>
<a name="method__onMouseOverEvent">_onMouseOverEvent</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_onMouseOverEvent</strong>
(
)
</code>
<div class="description" property="yui:description">
Event listener for mouse over events
</div>
<div class="description">
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="private" rel="yui:method" resource="#method__removeChildren_animComplete">
<h4>
<a name="method__removeChildren_animComplete">_removeChildren_animComplete</a></h4>
<div class="detail" >
<code>
private
void
<strong property="yui:name">_removeChildren_animComplete</strong>
(
o
)
</code>
<div class="description" property="yui:description">
wait until the animation is complete before deleting
to avoid javascript errors
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">o</span>
<<span property="yui:type">object</span>>
</code>
<span property="yui:description"> the custom event payload</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
void
</code></dt>
<dd property="yui:returnInfo"></dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_animateCollapse">
<h4>
<a name="method_animateCollapse">animateCollapse</a></h4>
<div class="detail" >
<code>
boolean
<strong property="yui:name">animateCollapse</strong>
(
el
,
node
)
</code>
<div class="description" property="yui:description">
Perform the collapse animation if configured, or just show the
element if not configured or too many animations are in progress
</div>
<div class="description">
<dl rel="yui:parameters">
<dt>Parameters:</dt>
<dd rel="yui:parameter">
<code><span property="yui:name">el</span>
<<span property="yui:type">HTMLElement</span>>
</code>
<span property="yui:description"> the element to animate</span>
</dd>
<dd rel="yui:parameter">
<code><span property="yui:name">node</span>
<<span property="yui:type">YAHOO.util.Node</span>>
</code>
<span property="yui:description"> the node that was expanded</span>
</dd>
</dl>
<dl>
<dt>Returns:
<code property="yui:return">
boolean
</code></dt>
<dd property="yui:returnInfo">true if animation could be invoked, false otherwise</dd>
</dl>
</div>
</div>
<hr />
</div>
<div class="" rel="yui:method" resource="#method_animateExpand">
<h4>
<a name="method_animateExpand">animateExpand</a></h4>
<div class="detail" >
<code>
boolean
<strong property="yui:name">animateExpand</strong>
(
el
,
node
)