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<pre class="prettyprint lang-js"><span id='Ext-dom-AbstractQuery'>/**
</span> * @class Ext.dom.AbstractQuery
* @private
*/
Ext.define('Ext.dom.AbstractQuery', {
<span id='Ext-dom-AbstractQuery-method-select'> /**
</span> * Selects a group of elements.
* @param {String} selector The selector/xpath query (can be a comma separated list of selectors)
* @param {HTMLElement/String} [root] The start of the query (defaults to document).
* @return {HTMLElement[]} An Array of DOM elements which match the selector. If there are
* no matches, and empty Array is returned.
*/
select: function(q, root) {
var results = [],
nodes,
i,
j,
qlen,
nlen;
root = root || document;
if (typeof root == 'string') {
root = document.getElementById(root);
}
q = q.split(",");
for (i = 0,qlen = q.length; i < qlen; i++) {
if (typeof q[i] == 'string') {
//support for node attribute selection
if (typeof q[i][0] == '@') {
nodes = root.getAttributeNode(q[i].substring(1));
results.push(nodes);
} else {
nodes = root.querySelectorAll(q[i]);
for (j = 0,nlen = nodes.length; j < nlen; j++) {
results.push(nodes[j]);
}
}
}
}
return results;
},
<span id='Ext-dom-AbstractQuery-method-selectNode'> /**
</span> * Selects a single element.
* @param {String} selector The selector/xpath query
* @param {HTMLElement/String} [root] The start of the query (defaults to document).
* @return {HTMLElement} The DOM element which matched the selector.
*/
selectNode: function(q, root) {
return this.select(q, root)[0];
},
<span id='Ext-dom-AbstractQuery-method-is'> /**
</span> * Returns true if the passed element(s) match the passed simple selector (e.g. div.some-class or span:first-child)
* @param {String/HTMLElement/Array} el An element id, element or array of elements
* @param {String} selector The simple selector to test
* @return {Boolean}
*/
is: function(el, q) {
if (typeof el == "string") {
el = document.getElementById(el);
}
return this.select(q).indexOf(el) !== -1;
}
});
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