/*
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This file is part of Ext JS 4.2
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-05-16 14:36:50 (f9be68accb407158ba2b1be2c226a6ce1f649314)
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*/
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// @tag dom,core
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// @require ../EventObject.js
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/**
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* @class Ext.dom.AbstractQuery
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* @private
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*/
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Ext.define('Ext.dom.AbstractQuery', {
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/**
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* Selects a group of elements.
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* @param {String} selector The selector/xpath query (can be a comma separated list of selectors)
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* @param {HTMLElement/String} [root] The start of the query (defaults to document).
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* @return {HTMLElement[]} An Array of DOM elements which match the selector. If there are
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* no matches, and empty Array is returned.
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*/
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select: function(q, root) {
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var results = [],
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nodes,
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i,
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j,
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qlen,
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nlen;
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root = root || document;
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if (typeof root == 'string') {
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root = document.getElementById(root);
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}
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q = q.split(",");
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for (i = 0,qlen = q.length; i < qlen; i++) {
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if (typeof q[i] == 'string') {
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//support for node attribute selection
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if (typeof q[i][0] == '@') {
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nodes = root.getAttributeNode(q[i].substring(1));
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results.push(nodes);
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} else {
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nodes = root.querySelectorAll(q[i]);
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for (j = 0,nlen = nodes.length; j < nlen; j++) {
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results.push(nodes[j]);
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}
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}
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}
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}
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return results;
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},
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/**
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* Selects a single element.
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* @param {String} selector The selector/xpath query
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* @param {HTMLElement/String} [root] The start of the query (defaults to document).
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* @return {HTMLElement} The DOM element which matched the selector.
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*/
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selectNode: function(q, root) {
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return this.select(q, root)[0];
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},
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/**
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* Returns true if the passed element(s) match the passed simple selector (e.g. div.some-class or span:first-child)
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* @param {String/HTMLElement/Array} el An element id, element or array of elements
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* @param {String} selector The simple selector to test
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* @return {Boolean}
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*/
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is: function(el, q) {
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if (typeof el == "string") {
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el = document.getElementById(el);
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}
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return this.select(q).indexOf(el) !== -1;
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}
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});
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