/*
Script: BarackSlideshow.js
	Lightweight slideshow script, based on Fx.MorphList

	License:
		MIT-style license.

	Authors:
		Guillermo Rauch
*/

var BarackSlideshow = new Class({

    Extends: Fx.MorphList,

    options: {/*
    onShow: $empty,*/
        auto: false,
        autostart: true,
        autointerval: 2000,
        transition: 'fade',
        tween: { duration: 700 }
    },

    initialize: function(menu, images, loader, options) {
        this.parent(menu, options);
        this.images = $(images);
        this.imagesitems = this.images.getChildren().fade('hide');
        $(loader).fade('in');
        new Asset.images(this.images.getElements('img').map(function(el) { return el.setStyle('display', 'none').get('src'); }), { onComplete: function() {
            this.loaded = true;
            $(loader).fade('out');
            if (this.current) this.show(this.items.indexOf(this.current));
            else if (this.options.auto && this.options.autostart) this.progress();
        } .bind(this)
        });
        if ($type(this.options.transition) != 'function') this.options.transition = $lambda(this.options.transition);
    },

    auto: function() {
        if (!this.options.auto) return false;
        $clear(this.autotimer);
        this.autotimer = this.progress.delay(this.options.autointerval, this);
    },

    onClick: function(event, item) {
        var s = item.id;
        var number = s.substring(s.length - 1);
        s = baseUrl + "Offers/index.el.html#rpOffers_ctl0" + number + "_" + number;
        window.open(s, '_parent')
        this.parent(event, item);
        event.stop();
        this.show(this.items.indexOf(item));
        $clear(this.autotimer);
    },

    onMouseOver: function(event, item) {
        this.parent(event, item);
        event.stop();
        //this.options.auto = false
        this.show(this.items.indexOf(item));
        $clear(this.autotimer);
    },
    //    onMouseOut: function(event, item) {
    //        this.parent(event, item);
    //        event.stop();
    //        //this.options.auto = true
    //        this.show(this.items.indexOf(item));
    //        this.autotimer = 1500;
    //        //        $clear(this.autotimer);
    //    },

    show: function(index) {
        if (!this.loaded) return;
        var image = this.imagesitems[index];
        if (image == this.curimage) return;
        image.set('tween', this.options.tween).dispose().inject(this.curimage || this.images.getFirst(), this.curimage ? 'after' : 'before').fade('hide');
        image.getElement('img').setStyle('display', 'block');
        var trans = this.options.transition.run(null, this).split('-');
        switch (trans[0]) {
            case 'slide':
                var dir = $pick(trans[1], 'left');
                var prop = (dir == 'left' || dir == 'right') ? 'left' : 'top';
                image.fade('show').setStyle(prop, image['offset' + (prop == 'left' ? 'Width' : 'Height')] * ((dir == 'bottom' || dir == 'right') ? 1 : -1)).tween(prop, 0);
                break;
            case 'fade': image.fade('in'); break;
        }
        image.get('tween').chain(function() {
            this.auto();
            this.fireEvent('show', image);
        } .bind(this));
        this.curimage = image;
        this.setCurrent(this.items[index])
        this.morphTo(this.items[index]);
        return this;
    },

    progress: function() {
        var curindex = this.imagesitems.indexOf(this.curimage);
        this.show((this.curimage && (curindex + 1 < this.imagesitems.length)) ? curindex + 1 : 0);
    }

});