39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
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/**
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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/**
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* JavaScript behavior to allow shift select in administrator grids
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*/
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(function() {
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Joomla = Joomla || {};
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Joomla.JMultiSelect = new Class({
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initialize : function(table) {
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this.table = document.id(table);
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if (this.table) {
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this.boxes = this.table.getElements('input[type=checkbox]');
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this.boxes.addEvent('click', function(e){
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this.doselect(e);
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}.bind(this));
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}
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},
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doselect: function(e) {
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var current = document.id(e.target);
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if (e.shift && typeOf(this.last) !== 'null') {
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var checked = current.getProperty('checked') ? 'checked' : '';
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var range = [this.boxes.indexOf(current), this.boxes.indexOf(this.last)].sort(function(a, b) {
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//Shorthand to make sort() sort numerical instead of lexicographic
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return a-b;
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});
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for (var i=range[0]; i <= range[1]; i++) {
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this.boxes[i].setProperty('checked', checked);
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}
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}
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this.last = current;
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}
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});
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})();
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