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<div class="body-wrap">
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<div class="top-tools">
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<a class="inner-link" href="#Ext.XTemplate-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>
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<a class="inner-link" href="#Ext.XTemplate-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a>
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<a class="inner-link" href="#Ext.XTemplate-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a>
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<a class="bookmark" href="../docs/?class=Ext.XTemplate"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>
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</div>
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<div class="inheritance res-block">
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<pre class="res-block-inner"><a ext:cls="Ext.Template" ext:member="" href="output/Ext.Template.html">Template</a>
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<img src="resources/elbow-end.gif"/>XTemplate</pre></div>
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<h1>Class Ext.XTemplate</h1>
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<table cellspacing="0">
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<tr><td class="label">Package:</td><td class="hd-info">Ext</td></tr>
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<tr><td class="label">Defined In:</td><td class="hd-info"><a href="../source/util/XTemplate.js" target="_blank">XTemplate.js</a></td></tr>
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<tr><td class="label">Class:</td><td class="hd-info">XTemplate</td></tr>
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<tr><td class="label">Extends:</td><td class="hd-info"><a ext:cls="Ext.Template" ext:member="" href="output/Ext.Template.html">Template</a></td></tr>
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</table>
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<div class="description">
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<p>A template class that supports advanced functionality like autofilling arrays, conditional processing with
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basic comparison operators, sub-templates, basic math function support, special built-in template variables,
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inline code execution and more. XTemplate also provides the templating mechanism built into <a ext:cls="Ext.DataView" href="output/Ext.DataView.html">Ext.DataView</a>.</p>
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<p>XTemplate supports many special tags and built-in operators that aren't defined as part of the API, but are
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supported in the templates that can be created. The following examples demonstrate all of the supported features.
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This is the data object used for reference in each code example:</p>
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<pre><code>var data = {
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name: <em>'Jack Slocum'</em>,
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title: <em>'Lead Developer'</em>,
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company: <em>'Ext JS, LLC'</em>,
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email: <em>'jack@extjs.com'</em>,
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address: <em>'4 Red Bulls Drive'</em>,
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city: <em>'Cleveland'</em>,
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state: <em>'Ohio'</em>,
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zip: <em>'44102'</em>,
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drinks: [<em>'Red Bull'</em>, <em>'Coffee'</em>, <em>'Water'</em>],
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kids: [{
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name: <em>'Sara Grace'</em>,
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age:3
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},{
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name: <em>'Zachary'</em>,
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age:2
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},{
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name: <em>'John James'</em>,
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age:0
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}]
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};</code></pre>
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<p><b>Auto filling of arrays and scope switching</b><br/>Using the <tt>tpl</tt> tag and the <tt>for</tt> operator,
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you can switch to the scope of the object specified by <tt>for</tt> and access its members to populate the teamplte.
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If the variable in <tt>for</tt> is an array, it will auto-fill, repeating the template block inside the <tt>tpl</tt>
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tag for each item in the array:</p>
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<pre><code>var tpl = <b>new</b> Ext.XTemplate(
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<em>'<p>Name: {name}</p>'</em>,
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<em>'<p>Title: {title}</p>'</em>,
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<em>'<p>Company: {company}</p>'</em>,
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<em>'<p>Kids: '</em>,
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<em>'<tpl <b>for</b>="kids">'</em>,
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<em>'<p>{name}</p>'</em>,
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<em>'</tpl></p>'</em>
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);
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tpl.overwrite(panel.body, data);</code></pre>
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<p><b>Access to parent object from within sub-template scope</b><br/>When processing a sub-template, for example while
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looping through a child array, you can access the parent object's members via the <tt>parent</tt> object:</p>
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<pre><code>var tpl = <b>new</b> Ext.XTemplate(
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<em>'<p>Name: {name}</p>'</em>,
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<em>'<p>Kids: '</em>,
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<em>'<tpl <b>for</b>="kids">'</em>,
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<em>'<tpl <b>if</b>="age > 1">'</em>,
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<em>'<p>{name}</p>'</em>,
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<em>'<p>Dad: {parent.name}</p>'</em>,
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<em>'</tpl>'</em>,
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<em>'</tpl></p>'</em>
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);
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tpl.overwrite(panel.body, data);</code></pre>
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<p><b>Array item index and basic math support</b> <br/>While processing an array, the special variable <tt>{#}</tt>
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will provide the current array index + 1 (starts at 1, not 0). Templates also support the basic math operators
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+ - * and / that can be applied directly on numeric data values:</p>
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<pre><code>var tpl = <b>new</b> Ext.XTemplate(
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<em>'<p>Name: {name}</p>'</em>,
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<em>'<p>Kids: '</em>,
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<em>'<tpl <b>for</b>="kids">'</em>,
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<em>'<tpl <b>if</b>="age > 1">'</em>,
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<em>'<p>{#}: {name}</p>'</em>, <i>// <-- Auto-number each item</i>
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<em>'<p>In 5 Years: {age+5}</p>'</em>, <i>// <-- Basic math</i>
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<em>'<p>Dad: {parent.name}</p>'</em>,
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<em>'</tpl>'</em>,
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<em>'</tpl></p>'</em>
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);
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tpl.overwrite(panel.body, data);</code></pre>
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<p><b>Auto-rendering of flat arrays</b> <br/>Flat arrays that contain values (and not objects) can be auto-rendered
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using the special <tt>{.}</tt> variable inside a loop. This variable will represent the value of
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the array at the current index:</p>
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<pre><code>var tpl = <b>new</b> Ext.XTemplate(
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<em>'<p>{name}\'</em>s favorite beverages:</p>',
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<em>'<tpl <b>for</b>="drinks">'</em>,
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<em>'<div> - {.}</div>'</em>,
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<em>'</tpl>'</em>
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);
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tpl.overwrite(panel.body, data);</code></pre>
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<p><b>Basic conditional logic</b> <br/>Using the <tt>tpl</tt> tag and the <tt>if</tt>
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operator you can provide conditional checks for deciding whether or not to render specific parts of the template.
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Note that there is no <tt>else</tt> operator — if needed, you should use two opposite <tt>if</tt> statements.
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Properly-encoded attributes are required as seen in the following example:</p>
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<pre><code>var tpl = <b>new</b> Ext.XTemplate(
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<em>'<p>Name: {name}</p>'</em>,
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<em>'<p>Kids: '</em>,
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<em>'<tpl <b>for</b>="kids">'</em>,
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<em>'<tpl <b>if</b>="age &gt; 1">'</em>, <i>// <-- Note that the > is encoded</i>
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<em>'<p>{name}</p>'</em>,
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<em>'</tpl>'</em>,
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<em>'</tpl></p>'</em>
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);
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tpl.overwrite(panel.body, data);</code></pre>
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<p><b>Ability to execute arbitrary inline code</b> <br/>In an XTemplate, anything between {[ ... ]} is considered
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code to be executed in the scope of the template. There are some special variables available in that code:
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<ul>
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<li><b><tt>values</tt></b>: The values in the current scope. If you are using scope changing sub-templates, you
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can change what <tt>values</tt> is.</li>
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<li><b><tt>parent</tt></b>: The scope (values) of the ancestor template.</li>
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<li><b><tt>xindex</tt></b>: If you are in a looping template, the index of the loop you are in (1-based).</li>
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<li><b><tt>xcount</tt></b>: If you are in a looping template, the total length of the array you are looping.</li>
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<li><b><tt>fm</tt></b>: An alias for <tt>Ext.util.Format</tt>.</li>
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</ul>
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This example demonstrates basic row striping using an inline code block and the <tt>xindex</tt> variable:</p>
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<pre><code>var tpl = <b>new</b> Ext.XTemplate(
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<em>'<p>Name: {name}</p>'</em>,
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<em>'<p>Company: {[company.toUpperCase() + '</em>, <em>' + title]}</p>'</em>,
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<em>'<p>Kids: '</em>,
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<em>'<tpl <b>for</b>="kids">'</em>,
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'<div class=<em>"{[xindex % 2 === 0 ? "</em>even<em>" : "</em>odd<em>"]}"</em>>,
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<em>'{name}'</em>,
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<em>'</div>'</em>,
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<em>'</tpl></p>'</em>
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);
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tpl.overwrite(panel.body, data);</code></pre>
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<p><b>Template member functions</b> <br/>One or more member functions can be defined directly on the config
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object passed into the XTemplate constructor for more complex processing:</p>
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<pre><code>var tpl = <b>new</b> Ext.XTemplate(
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<em>'<p>Name: {name}</p>'</em>,
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<em>'<p>Kids: '</em>,
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<em>'<tpl <b>for</b>="kids">'</em>,
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<em>'<tpl <b>if</b>="<b>this</b>.isGirl(name)">'</em>,
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<em>'<p>Girl: {name} - {age}</p>'</em>,
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<em>'</tpl>'</em>,
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<em>'<tpl <b>if</b>="<b>this</b>.isGirl(name) == false">'</em>,
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<em>'<p>Boy: {name} - {age}</p>'</em>,
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<em>'</tpl>'</em>,
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<em>'<tpl <b>if</b>="<b>this</b>.isBaby(age)">'</em>,
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<em>'<p>{name} is a baby!</p>'</em>,
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<em>'</tpl>'</em>,
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<em>'</tpl></p>'</em>, {
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isGirl: <b>function</b>(name){
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<b>return</b> name == <em>'Sara Grace'</em>;
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},
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isBaby: <b>function</b>(age){
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<b>return</b> age < 1;
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}
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});
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tpl.overwrite(panel.body, data);</code></pre> </div>
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<div class="hr"></div>
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<a id="Ext.XTemplate-props"></a>
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<h2>Public Properties</h2>
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<div class="no-members">This class has no public properties.</div> <a id="Ext.XTemplate-methods"></a>
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<h2>Public Methods</h2>
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<table cellspacing="0" class="member-table">
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<tr>
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<th class="sig-header" colspan="2">Method</th>
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<th class="msource-header">Defined By</th>
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</tr>
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<tr class="method-row expandable">
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<td class="micon"><a class="exi" href="#expand"> </a></td>
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<td class="sig">
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<a id="Ext.XTemplate-XTemplate"></a>
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<b>XTemplate</b>( <code>String/Array/Object parts</code> ) <div class="mdesc">
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<div class="short"></div>
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<div class="long">
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<div class="mdetail-params">
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<strong>Parameters:</strong>
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<ul><li><code>parts</code> : String/Array/Object<div class="sub-desc">The HTML fragment or an array of fragments to join(""), or multiple arguments
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to join("") that can also include a config object</div></li> </ul>
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<strong>Returns:</strong>
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<ul>
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<li><code></code></li>
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</ul>
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</div>
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</div>
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</div>
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</td>
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<td class="msource">XTemplate</td>
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</tr>
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<tr class="method-row alt expandable">
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<td class="micon"><a class="exi" href="#expand"> </a></td>
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<td class="sig">
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<a id="Ext.XTemplate-XTemplate.from"></a>
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<b>XTemplate.from</b>( <code>String/HTMLElement el</code> ) : Ext.Template <div class="mdesc">
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<div class="short"><static> Creates a template from the passed element's value (<i>display:none</i> textarea, preferred) or innerHTML.</div>
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<div class="long">
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<static> Creates a template from the passed element's value (<i>display:none</i> textarea, preferred) or innerHTML. <div class="mdetail-params">
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<strong>Parameters:</strong>
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<ul><li><code>el</code> : String/HTMLElement<div class="sub-desc">A DOM element or its id</div></li> </ul>
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<strong>Returns:</strong>
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<ul>
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<li><code>Ext.Template</code><div class="sub-desc">The created template</div></li>
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</ul>
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</div>
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</div>
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</div>
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</td>
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<td class="msource">XTemplate</td>
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</tr>
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<tr class="method-row inherited expandable">
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<td class="micon"><a class="exi" href="#expand"> </a></td>
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212 |
<td class="sig">
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213 |
<a id="Ext.XTemplate-append"></a>
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<b>append</b>( <code>Mixed el</code>, <code>Object/Array values</code>, <span class="optional" title="Optional">[<code>Boolean returnElement</code>]</span> ) : HTMLElement/Ext.Element <div class="mdesc">
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<div class="short">Applies the supplied values to the template and appends the new node(s) to el.</div>
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<div class="long">
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Applies the supplied values to the template and appends the new node(s) to el. <div class="mdetail-params">
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218 |
<strong>Parameters:</strong>
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219 |
<ul><li><code>el</code> : Mixed<div class="sub-desc">The context element</div></li><li><code>values</code> : Object/Array<div class="sub-desc">The template values. Can be an array if your params are numeric (i.e. {0}) or an object (i.e. {foo: 'bar'})</div></li><li><code>returnElement</code> : Boolean<div class="sub-desc">(optional) true to return a Ext.Element (defaults to undefined)</div></li> </ul>
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220 |
<strong>Returns:</strong>
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<ul>
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222 |
<li><code>HTMLElement/Ext.Element</code><div class="sub-desc">The new node or Element</div></li>
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223 |
</ul>
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224 |
</div>
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225 |
</div>
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226 |
</div>
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227 |
</td>
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<td class="msource"><a ext:cls="Ext.Template" ext:member="#append" href="output/Ext.Template.html#append">Template</a></td>
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229 |
</tr>
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<tr class="method-row alt expandable">
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231 |
<td class="micon"><a class="exi" href="#expand"> </a></td>
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232 |
<td class="sig">
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233 |
<a id="Ext.XTemplate-apply"></a>
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<b>apply</b>() : void <div class="mdesc">
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<div class="short">Alias of <a ext:cls="Ext.XTemplate" ext:member="applyTemplate" href="output/Ext.XTemplate.html#applyTemplate">applyTemplate</a>.</div>
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<div class="long">
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Alias of <a ext:cls="Ext.XTemplate" ext:member="applyTemplate" href="output/Ext.XTemplate.html#applyTemplate">applyTemplate</a>. <div class="mdetail-params">
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238 |
<strong>Parameters:</strong>
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239 |
<ul><li>None.</li> </ul>
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<strong>Returns:</strong>
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<ul>
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<li><code>void</code></li>
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</ul>
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</div>
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</div>
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</div>
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</td>
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<td class="msource">XTemplate</td>
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</tr>
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<tr class="method-row expandable">
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<td class="micon"><a class="exi" href="#expand"> </a></td>
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<td class="sig">
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253 |
<a id="Ext.XTemplate-applyTemplate"></a>
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<b>applyTemplate</b>( <code>Object values</code> ) : String <div class="mdesc">
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255 |
<div class="short">Returns an HTML fragment of this template with the specified values applied.</div>
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<div class="long">
|
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257 |
Returns an HTML fragment of this template with the specified values applied. <div class="mdetail-params">
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258 |
<strong>Parameters:</strong>
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259 |
<ul><li><code>values</code> : Object<div class="sub-desc">The template values. Can be an array if your params are numeric (i.e. {0}) or an object (i.e. {foo: 'bar'})</div></li> </ul>
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260 |
<strong>Returns:</strong>
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<ul>
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262 |
<li><code>String</code><div class="sub-desc">The HTML fragment</div></li>
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263 |
</ul>
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264 |
</div>
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265 |
</div>
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</div>
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267 |
</td>
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268 |
<td class="msource">XTemplate</td>
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269 |
</tr>
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<tr class="method-row alt expandable">
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271 |
<td class="micon"><a class="exi" href="#expand"> </a></td>
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272 |
<td class="sig">
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273 |
<a id="Ext.XTemplate-compile"></a>
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<b>compile</b>() : Function <div class="mdesc">
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<div class="short">Compile the template to a function for optimized performance. Recommended if the template will be used frequently.</div>
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<div class="long">
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Compile the template to a function for optimized performance. Recommended if the template will be used frequently. <div class="mdetail-params">
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278 |
<strong>Parameters:</strong>
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<ul><li>None.</li> </ul>
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280 |
<strong>Returns:</strong>
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281 |
<ul>
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282 |
<li><code>Function</code><div class="sub-desc">The compiled function</div></li>
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283 |
</ul>
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284 |
</div>
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285 |
</div>
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286 |
</div>
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287 |
</td>
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288 |
<td class="msource">XTemplate</td>
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289 |
</tr>
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290 |
<tr class="method-row inherited expandable">
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291 |
<td class="micon"><a class="exi" href="#expand"> </a></td>
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292 |
<td class="sig">
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293 |
<a id="Ext.XTemplate-insertAfter"></a>
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294 |
<b>insertAfter</b>( <code>Mixed el</code>, <code>Object/Array values</code>, <span class="optional" title="Optional">[<code>Boolean returnElement</code>]</span> ) : HTMLElement/Ext.Element <div class="mdesc">
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<div class="short">Applies the supplied values to the template and inserts the new node(s) after el.</div>
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296 |
<div class="long">
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297 |
Applies the supplied values to the template and inserts the new node(s) after el. <div class="mdetail-params">
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298 |
<strong>Parameters:</strong>
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299 |
<ul><li><code>el</code> : Mixed<div class="sub-desc">The context element</div></li><li><code>values</code> : Object/Array<div class="sub-desc">The template values. Can be an array if your params are numeric (i.e. {0}) or an object (i.e. {foo: 'bar'})</div></li><li><code>returnElement</code> : Boolean<div class="sub-desc">(optional) true to return a Ext.Element (defaults to undefined)</div></li> </ul>
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|
300 |
<strong>Returns:</strong>
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|
301 |
<ul>
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|
302 |
<li><code>HTMLElement/Ext.Element</code><div class="sub-desc">The new node or Element</div></li>
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|
303 |
</ul>
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|
304 |
</div>
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305 |
</div>
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306 |
</div>
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307 |
</td>
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|
308 |
<td class="msource"><a ext:cls="Ext.Template" ext:member="#insertAfter" href="output/Ext.Template.html#insertAfter">Template</a></td>
|
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|
309 |
</tr>
|
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|
310 |
<tr class="method-row inherited alt expandable">
|
|
|
311 |
<td class="micon"><a class="exi" href="#expand"> </a></td>
|
|
|
312 |
<td class="sig">
|
|
|
313 |
<a id="Ext.XTemplate-insertBefore"></a>
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|
314 |
<b>insertBefore</b>( <code>Mixed el</code>, <code>Object/Array values</code>, <span class="optional" title="Optional">[<code>Boolean returnElement</code>]</span> ) : HTMLElement/Ext.Element <div class="mdesc">
|
|
|
315 |
<div class="short">Applies the supplied values to the template and inserts the new node(s) before el.</div>
|
|
|
316 |
<div class="long">
|
|
|
317 |
Applies the supplied values to the template and inserts the new node(s) before el. <div class="mdetail-params">
|
|
|
318 |
<strong>Parameters:</strong>
|
|
|
319 |
<ul><li><code>el</code> : Mixed<div class="sub-desc">The context element</div></li><li><code>values</code> : Object/Array<div class="sub-desc">The template values. Can be an array if your params are numeric (i.e. {0}) or an object (i.e. {foo: 'bar'})</div></li><li><code>returnElement</code> : Boolean<div class="sub-desc">(optional) true to return a Ext.Element (defaults to undefined)</div></li> </ul>
|
|
|
320 |
<strong>Returns:</strong>
|
|
|
321 |
<ul>
|
|
|
322 |
<li><code>HTMLElement/Ext.Element</code><div class="sub-desc">The new node or Element</div></li>
|
|
|
323 |
</ul>
|
|
|
324 |
</div>
|
|
|
325 |
</div>
|
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|
326 |
</div>
|
|
|
327 |
</td>
|
|
|
328 |
<td class="msource"><a ext:cls="Ext.Template" ext:member="#insertBefore" href="output/Ext.Template.html#insertBefore">Template</a></td>
|
|
|
329 |
</tr>
|
|
|
330 |
<tr class="method-row inherited expandable">
|
|
|
331 |
<td class="micon"><a class="exi" href="#expand"> </a></td>
|
|
|
332 |
<td class="sig">
|
|
|
333 |
<a id="Ext.XTemplate-insertFirst"></a>
|
|
|
334 |
<b>insertFirst</b>( <code>Mixed el</code>, <code>Object/Array values</code>, <span class="optional" title="Optional">[<code>Boolean returnElement</code>]</span> ) : HTMLElement/Ext.Element <div class="mdesc">
|
|
|
335 |
<div class="short">Applies the supplied values to the template and inserts the new node(s) as the first child of el.</div>
|
|
|
336 |
<div class="long">
|
|
|
337 |
Applies the supplied values to the template and inserts the new node(s) as the first child of el. <div class="mdetail-params">
|
|
|
338 |
<strong>Parameters:</strong>
|
|
|
339 |
<ul><li><code>el</code> : Mixed<div class="sub-desc">The context element</div></li><li><code>values</code> : Object/Array<div class="sub-desc">The template values. Can be an array if your params are numeric (i.e. {0}) or an object (i.e. {foo: 'bar'})</div></li><li><code>returnElement</code> : Boolean<div class="sub-desc">(optional) true to return a Ext.Element (defaults to undefined)</div></li> </ul>
|
|
|
340 |
<strong>Returns:</strong>
|
|
|
341 |
<ul>
|
|
|
342 |
<li><code>HTMLElement/Ext.Element</code><div class="sub-desc">The new node or Element</div></li>
|
|
|
343 |
</ul>
|
|
|
344 |
</div>
|
|
|
345 |
</div>
|
|
|
346 |
</div>
|
|
|
347 |
</td>
|
|
|
348 |
<td class="msource"><a ext:cls="Ext.Template" ext:member="#insertFirst" href="output/Ext.Template.html#insertFirst">Template</a></td>
|
|
|
349 |
</tr>
|
|
|
350 |
<tr class="method-row inherited alt expandable">
|
|
|
351 |
<td class="micon"><a class="exi" href="#expand"> </a></td>
|
|
|
352 |
<td class="sig">
|
|
|
353 |
<a id="Ext.XTemplate-overwrite"></a>
|
|
|
354 |
<b>overwrite</b>( <code>Mixed el</code>, <code>Object/Array values</code>, <span class="optional" title="Optional">[<code>Boolean returnElement</code>]</span> ) : HTMLElement/Ext.Element <div class="mdesc">
|
|
|
355 |
<div class="short">Applies the supplied values to the template and overwrites the content of el with the new node(s).</div>
|
|
|
356 |
<div class="long">
|
|
|
357 |
Applies the supplied values to the template and overwrites the content of el with the new node(s). <div class="mdetail-params">
|
|
|
358 |
<strong>Parameters:</strong>
|
|
|
359 |
<ul><li><code>el</code> : Mixed<div class="sub-desc">The context element</div></li><li><code>values</code> : Object/Array<div class="sub-desc">The template values. Can be an array if your params are numeric (i.e. {0}) or an object (i.e. {foo: 'bar'})</div></li><li><code>returnElement</code> : Boolean<div class="sub-desc">(optional) true to return a Ext.Element (defaults to undefined)</div></li> </ul>
|
|
|
360 |
<strong>Returns:</strong>
|
|
|
361 |
<ul>
|
|
|
362 |
<li><code>HTMLElement/Ext.Element</code><div class="sub-desc">The new node or Element</div></li>
|
|
|
363 |
</ul>
|
|
|
364 |
</div>
|
|
|
365 |
</div>
|
|
|
366 |
</div>
|
|
|
367 |
</td>
|
|
|
368 |
<td class="msource"><a ext:cls="Ext.Template" ext:member="#overwrite" href="output/Ext.Template.html#overwrite">Template</a></td>
|
|
|
369 |
</tr>
|
|
|
370 |
</table>
|
|
|
371 |
<a id="Ext.XTemplate-events"></a>
|
|
|
372 |
<h2>Public Events</h2>
|
|
|
373 |
<div class="no-members">This class has no public events.</div>
|
|
|
374 |
</div>
|