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26 lines
669 B
JavaScript
26 lines
669 B
JavaScript
6 years ago
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/**
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* @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
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* Licensed under the terms of the MIT license. See LICENSE.md for more information.
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*/
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/* global SF */
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'use strict';
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( function() {
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// All .tree-a elements in DOM.
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var trees = SF.getByClass( 'tree-a' );
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for ( var i = trees.length; i--; ) {
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var tree = trees[ i ];
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SF.attachListener( tree, 'click', function( evt ) {
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var target = evt.target || evt.srcElement;
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// Collapse or expand item groups.
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if ( target.nodeName === 'H2' && !SF.classList.contains( target, 'tree-a-no-sub' ) ) {
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SF.classList.toggle( target, 'tree-a-active' );
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}
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} );
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}
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} )();
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