neuron/lib/switch/tabswitch.js at master · cssrain/neuron · GitHub

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/**
 * Switch Plugin: Tab Switching
 * author  Kael Zhang
 */

module.exports = {
    name: 'tabSwitch',

    // no plugins will be added after this one
    final_: true,

    init: function(self){
        var EVENTS = self.get('EVENTS'),
            ITEM_ON_CLS = 'itemOnCls';

        self.on(EVENTS.BEFORE_SWITCH, function(){
            var t = this,
                activeItem = t._getItem(t.activeIndex);

            activeItem && activeItem.removeClass(t.get(ITEM_ON_CLS));
            t._dealTriggerCls(true);
        });

        self.on(EVENTS.ON_SWITCH, function(){
            var t = this,
                active = t.activeIndex = t.expectIndex,
                activeItem = t._getItem(active);

            activeItem && activeItem.addClass(t.get(ITEM_ON_CLS));
            t._dealTriggerCls(false, active);

            t.fire(EVENTS.COMPLETE_SWITCH);
        });
    }
};


/**
 change log

 2012-04-22  Kael:
 - fix a runtime error if there's no items at the beginning

 2012-04-19  Kael:
 - turn back the missing COMPLETE_SWITCH event

 2011-10-31  Kael:
 - use _dealTriggerCls and _getItem instead of old methods

 */