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/**
* SimpleTabs - Unobtrusive Tabs with Ajax
*
* @example
*
* var tabs = new SimpleTabs($('tab-element'), {
* selector: 'h2.tab-tab'
* });
*
* @version 1.0
*
* @license MIT License
* @author Harald Kirschner <mail [at] digitarald.de>
* @copyright 2007 Author
*/
var SimpleTabs = new Class({
Implements: [Events, Options],
/**
* Options
*/
options: {
show: 0,
selector: '.tab-tab',
classWrapper: 'tab-wrapper',
classMenu: 'tab-menu',
classContainer: 'tab-container',
onSelect: function(toggle, container, index) {
toggle.addClass('tab-selected');
container.setStyle('display', '');
},
onDeselect: function(toggle, container, index) {
toggle.removeClass('tab-selected');
container.setStyle('display', 'none');
},
onAdded: Class.empty,
getContent: null
},
/**
* Constructor
*
* @param {Element} The parent Element that holds the tab elements
* @param {Object} Options
*/
initialize: function(element, options) {
this.element = $(element);
this.setOptions(options);
this.selected = null;
this.build();
},
build: function() {
this.tabs = [];
this.menu = new Element('ul', {'class': this.options.classMenu});
this.wrapper = new Element('div', {'class': this.options.classWrapper});
this.element.getElements(this.options.selector).each(function(el) {
var content = el.get('href') || (this.options.getContent ? this.options.getContent.call(this, el) : el.getNext());
this.addTab(el.innerHTML, el.title || el.innerHTML, content);
}, this);
this.element.empty().adopt(this.menu, this.wrapper);
if (this.tabs.length) this.select(this.options.show);
},
/**
* Add a new tab at the end of the tab menu
*
* @param {String} inner Text
* @param {String} Title
* @param {Element|String} Content Element or URL for Ajax
*/
addTab: function(text, title, content) {
var grab = $(content);
var container = (grab || new Element('div'))
.setStyle('display', 'none')
.addClass(this.options.classContainer)
.inject(this.wrapper);
var pos = this.tabs.length;
var evt = (this.options.hover) ? 'mouseenter' : 'click';
var tab = {
container: container,
toggle: new Element('li').grab(new Element('a', {
href: '#',
title: title
}).grab(
new Element('span', {html: text})
)).addEvent(evt,function(e){this.onClick(e,pos);}.bind(this)).inject(this.menu)
};
this.tabs.push(tab);
return this.fireEvent('onAdded', [tab.toggle, tab.container, pos]);
},
onClick: function(evt, index) {
this.select(index);
return false;
},
/**
* Select the tab via tab-index
*
* @param {Number} Tab-index
*/
select: function(index) {
if (this.selected === index || !this.tabs[index]) return this;
var tab = this.tabs[index];
var params = [tab.toggle, tab.container, index];
if (this.selected !== null) {
var current = this.tabs[this.selected];
params.append([current.toggle, current.container, this.selected]);
this.fireEvent('onDeselect', [current.toggle, current.container, this.selected]);
}
this.fireEvent('onSelect', params);
this.selected = index;
return this;
}
});
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