34 lines
1.0 KiB
JavaScript
34 lines
1.0 KiB
JavaScript
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function initializeTrees(symbolClosed, symbolOpen)
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{
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$$('ul.tree li').each(function(listItem) {
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var subTree = listItem.getChildren().filterByTag('ul')[0];
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if (subTree) {
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var expander = new Element('a', {
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'class': 'expander',
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'href': 'javascript:void(0);',
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'events': {
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'click': function() {
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if (subTree.hasClass('closed')) {
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subTree.removeClass('closed');
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this.setHTML(symbolOpen);
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} else {
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subTree.addClass('closed');
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this.setHTML(symbolClosed);
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}
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}
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}
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});
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expander.setHTML(subTree.hasClass('closed') ? symbolClosed : symbolOpen);
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expander.injectTop(listItem);
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}
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});
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}
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window.addEvent('domready', function() {
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initializeTrees('+', '-');
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});
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