/*
    This file is part of JonDesign's SmoothGallery v2.0.

    JonDesign's SmoothGallery is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    JonDesign's SmoothGallery is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with JonDesign's SmoothGallery; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Main Developer: Jonathan Schemoul (JonDesign: http://www.jondesign.net/)
*/

var gallerySet = gallery.extend({
        initialize: function(element, options) {
                this.setOptions({
                        manualSetData: [],
                        gallerySelector: "div.galleryElement",
                        galleryTitleSelector: "h2",
                        textGallerySelector: 'Referenzen',
                        textShowGallerySelector: 'Zurück zur Übersicht',
                        textGalleryInfo: '{0} Bilder',
                        startWithSelector: true,
                        /* Changing default options */
                        textShowCarousel: '{0}/{1} Bildern',
                        carouselPreloader: false
                }, options);
                this.gallerySet = this.options.manualSetData;
                this.addEvent('onPopulated', this.createGallerySelectorTab.bind(this));
                this.addEvent('onPopulated', this.createGallerySelector.bind(this));
                this.startWithSelectorFn = this.toggleGallerySelector.pass(true, this);
                if (this.options.startWithSelector)
                        this.addEvent('onGallerySelectorCreated', this.startWithSelectorFn);
                this.parent(element, this.options);
        },
        populateData: function() {
                options = this.options;
                var data = $A(this.gallerySet);
                this.populateFrom.getElements(options.gallerySelector).each(function (galEl) {
                        currentGalArrayPlace = 0;
                        galleryDict = {
                                title: galEl.getElement(options.galleryTitleSelector).innerHTML,
                                elements: []
                        }
                        galleryDict.elements.extend(this.populateGallery(galEl, 0));
                        data.extend([galleryDict]);
                        if (this.options.destroyAfterPopulate)
                                galEl.remove();
                }, this);
                this.gallerySet = data;
                this.galleryData = data[0].elements;
                this.currentGallery = 0;
                this.fireEvent('onPopulated');
        },
        changeGallery: function(number)
        {
                if (number!=this.currentGallery)
                {
                        this.changeData(this.gallerySet[number].elements);
                        this.maxIter = this.gallerySet[number].elements.length;
                        this.currentGallery = number;
                        this.gallerySelectorBtn.setHTML(this.gallerySet[number].title);
                        this.fireEvent('onGalleryChanged');
                }
                this.toggleGallerySelector(false);
        },
        createGallerySelectorTab: function() {
                this.gallerySelectorBtn = new Element('a').addClass('gallerySelectorBtn').setProperties({
                        title: this.options.textShowGallerySelector
                }).setHTML(this.options.textShowGallerySelector).addEvent(
                        'click',
                        function(){ this.toggleGallerySelector(true); }.bind(this)
                ).injectInside(this.galleryElement);
                this.addEvent('onShowCarousel', function(){this.gallerySelectorBtn.setStyle('zIndex', 10)}.bind(this));
                this.addEvent('onCarouselHidden', function(){this.gallerySelectorBtn.setStyle('zIndex', 15)}.bind(this));
        },
        createGallerySelector: function() {
                this.gallerySelector = new Fx.Styles(
                        new Element('div').addClass(
                                'gallerySelector'
                        ).injectInside(
                                this.galleryElement
                        ).setStyles({
                                'display': 'none',
                                'opacity': '0'
                        })
                );
                this.gallerySelectorTitle =
                        new Element('h2').setHTML(
                                this.options.textGallerySelector
                        ).injectInside(this.gallerySelector.element);
                var gallerySelectorHeight = this.galleryElement.offsetHeight - 50 - 10 - 2;
                this.gallerySelectorWrapper = new Fx.Style(
                        new Element('div').addClass(
                                'gallerySelectorWrapper'
                        ).setStyle(
                                'height',
                                gallerySelectorHeight + "px"
                        ).injectInside(this.gallerySelector.element)
                );
                this.gallerySelectorInner =        new Element('div').addClass('gallerySelectorInner').injectInside(this.gallerySelectorWrapper.element);
                this.gallerySelectorWrapper.scroller = new Scroller(this.gallerySelectorWrapper.element, {
                        area: 100,
                        velocity: 0.3
                }).start();
                this.createGalleryButtons();
                this.fireEvent('onGallerySelectorCreated');
        },
        createGalleryButtons: function () {
                var galleryButtonWidth =
                        ((this.galleryElement.offsetWidth - 30) / 2) - 14;
                this.gallerySet.each(function(galleryItem, index){
                        var button = new Element('div').addClass('galleryButton').injectInside(
                                this.gallerySelectorInner
                        ).addEvents({
                                'mouseover': function(myself){
                                        myself.button.addClass('hover');
                                }.pass(galleryItem, this),
                                'mouseout': function(myself){
                                        myself.button.removeClass('hover');
                                }.pass(galleryItem, this),
                                'click': function(myself, number){
                                        this.changeGallery.pass(number,this)();
                                }.pass([galleryItem, index], this)
                        }).setStyle('width', galleryButtonWidth);
                        galleryItem.button = button;
                        var thumbnail = "";
                        if (this.options.showCarousel)
                                thumbnail = galleryItem.elements[0].thumbnail;
                        else
                                thumbnail = galleryItem.elements[0].image;
                        new Element('div').addClass('preview').setStyle(
                                'backgroundImage',
                                "url('" + thumbnail + "')"
                        ).injectInside(button);
                        new Element('h3').setHTML(galleryItem.title).injectInside(button);
                        new Element('p').addClass('info').setHTML(formatString(this.options.textGalleryInfo, galleryItem.elements.length)).injectInside(button);
                }, this);
                new Element('br').injectInside(this.gallerySelectorInner).setStyle('clear','both');
        },
        toggleGallerySelector: function(state) {
                if (state)
                        this.gallerySelector.start({'opacity' : 1}).element.setStyle('display','block');
                else
                        this.gallerySelector.start({'opacity' : 0});
        },
        initHistory: function() {
                this.fireEvent('onHistoryInit');
                this.historyKey = this.galleryElement.id + '-gallery';
                if (this.options.customHistoryKey)
                        this.historyKey = this.options.customHistoryKey();
                this.history = HistoryManager.register(
                        this.historyKey,
                        [1,1],
                        function(values) {
                                this.changeGallery.pass(parseInt(values[0]) - 1, this).delay(10);
                                if(this.gallerySelector)
                                        this.toggleGallerySelector.pass(false, this).delay(500);
                                this.goTo.pass(parseInt(values[1]) - 1, this).delay(100);
                        }.bind(this),
                        function(values) {
                                return [this.historyKey, '(', values[0], ')', '-picture','(', values[1], ')'].join('');
                        }.bind(this),
                        this.historyKey + '\\((\\d+)\\)-picture\\((\\d+)\\)');
                updateHistory = function(){
                        this.history.setValue(0, this.currentGallery + 1);
                        this.history.setValue(1, this.currentIter + 1);
                }.bind(this);

                this.addEvent('onChanged', updateHistory);
                this.addEvent('onGalleryChanged', updateHistory);
                this.fireEvent('onHistoryInited');
        }
});