/*
FRÖSCHL - HOLZ im GARTEN
JS document - rgSlideshow
copyright: contura new media [www.contura.at]
*/

var SimpleSlideShowDemo = new Class({
  options: {
    slides: [],
    startIndex: 0,
    wrap: true,
    onShow: Class.empty, //Mootools 1.2: $empty
    onRotate: Class.empty,
    onStop: Class.empty,
    onAutoPlay: Class.empty,
    onShowSlide: Class.empty,
    slideInterval: 2500,
    auto:false,
    transitionDuration: 5000,
    splitter:"·",
    prev:"« ",
    next:" &raquo",
    play:"∞",
    stop:"φ",
    bigNavigation : true,
    smallNavigation: true,
    browser:true,
    addBarInside:true,
    hideText:false

  },
  initialize: function(container,options){

    if (container[0].getParent().getTag()=='a') {
     this.containerNest = container[0].getParent().getParent();
    } else {
      this.containerNest = container[0].getParent();
    }
    this.container = container;
    this.setOptions(options);
    this.slides = [];
    this.title = [];
    this.descr = [];
    this.effects = [];
    this.browserArr = [];
    this.playStatus = false;
    if (this.options.auto) this.playStatus = true;

    this.createStructure();

    this.addSlides(this.container);
    if(this.slides.length) this.showSlide(this.options.startIndex);
    if (this.options.auto) {
      this.autoplay();
     // this.playStatus = true;
    }
  },
  createFx: function(){
    this.slideFx = new Fx.Elements(this.slides, {duration: this.options.transitionDuration});
    this.slides.each(function(slide){
      slide.setStyle('opacity',0);
    });
  },  
  createStructure: function() {

    var oldClass = this.containerNest.getProperty("class");
    this.containerNest.setProperty('class', '');
    this.containerNest.addClass('rgslideshow');
    
    this.test = new Element('div').addClass(oldClass).injectBefore(this.containerNest);
    this.containerNest.injectInside(this.test);
    
    if (!this.options.hideText) {
    
      if (this.options.addBarInside) {
        this.nestAll = new Element('div').setProperty('class', 'rgsnest').injectTop(this.containerNest);    
        this.title = new Element('div').setProperty('class', 'rgstitle').injectInside(this.nestAll);
        this.description = new Element('div').setProperty('class', 'rgsdescription').injectInside(this.nestAll);
      }
      
      //    this.nestAll = new Element('div').setProperty('class', 'rgslideshow').injectAfter(this.containerNest);
      
      // if (this.options.addBarInside) this.titleOp = new Element('div').setProperty('class', 'optitle').injectInside(this.nestAll);
    //  this.nestDescription = new Element('div').setProperty('class', 'descr').injectInside(this.nestAll);
    //  if (this.options.addBarInside) this.descriptionOp = new Element('div').setProperty('class', 'opdescr').injectInside(this.nestAll);
      
   
       if(this.options.browser) {
       
        this.navigation = new Element('div').setProperty('class', 'rgslideshownav').injectAfter(this.containerNest);
        this.innerNavigation = new Element('div').setProperty('class', 'rgsnav2').injectInside(this.navigation);
        
        if(this.options.smallNavigation) this.prevEl = new Element('span').setProperty('class', 'rgsprev').injectInside(this.innerNavigation).setHTML(this.options.prev).addEvent('click', this.cycleBack.bind(this));
        this.browser = new Element('div').setProperty('class', 'rgsbrowser').injectInside(this.innerNavigation);
       if(this.options.smallNavigation)  this.nextEl = new Element('span').setProperty('class', 'rgsnext').injectInside(this.innerNavigation).setHTML(this.options.next).addEvent('click', this.cycleForward.bind(this));
  
        this.play = new Element('span').setProperty('class', 'rgsplay').injectInside(this.innerNavigation).addEvent('click', this.togglePlay.bind(this));    
  
        if (!this.playStatus) {
          this.play.setHTML(this.options.play).setProperty('title',"Play");
        } else {
          this.play.setHTML(this.options.stop).setProperty('title',"Stop");
        }
       } 
    }

    if (this.options.bigNavigation) {
      this.bigPrev = new Element('a').setProperties({'class': 'rgsbigprev', 'href': "javascript:void(0);"}).injectInside(this.containerNest).addEvent('click', this.cycleBack.bind(this));
      this.bigNext = new Element('a').setProperties({'class': 'rgsbignext', 'href': "javascript:void(0);"}).injectInside(this.containerNest).addEvent('click', this.cycleForward.bind(this));
    }    
    
    this.createFx();

  },
  addSlides: function(slides){
    var i =1;

    slides.each(function(slide){
      this.slides.include($(slide));

      this.effects[this.slides.indexOf(slide)] = new Fx.Style(slide, 'opacity');
      
      slide.addClass('rgssimg');
        var title=" ";
        var descr="";
        if (slide.getProperty("title")) {
          split = slide.getProperty("title").split("|");
          if (split[0]) {
            title = split[0];
            slide.setProperty("title",title);
          }
          if (split[1]) descr = split[1];
        }

        this.descr[this.slides.indexOf(slide)] = descr;      
        this.title[this.slides.indexOf(slide)] = title;
      if(this.options.browser) {        
        this.browserEl = new Element('span').setProperties({'class': 'rgsbrowserEl', 'title': title}).setHTML(this.slides.indexOf(slide)+1).injectInside(this.browser);
    //    this.browserEl.setProperty('id',this.options.paginationSelector+i);
        this.browserEl.addEvent('click', this.cycleTo.bind(this,this.slides.indexOf(slide)));
        this.browserArr[this.slides.indexOf(slide)] = this.browserEl;
      }
      
      if (i!=1) {
        if(this.options.browser)    this.splitter = new Element('span').setProperty('class', 'rgssplitEl').setHTML(this.options.splitter).injectBefore(this.browserEl);
        slide.setStyle('display','none');
      } else {

        if (!this.options.hideText && this.options.addBarInside) {
          var nestDiv = this.nestAll.getSize();
        } else {
          var nestDiv = this.containerNest.getSize();

        }
        var img = slide.getSize();

        if(this.options.bigNavigation) {          
          this.bigPrev.setStyle('height',(slide.getProperty("height")-nestDiv.size.y)+'px');
          this.bigNext.setStyle('height',(slide.getProperty("height")-nestDiv.size.y)+'px');
          if(!this.options.addBarInside) {
            this.bigPrev.setStyle('height',(slide.getProperty("height"))+'px');
            this.bigNext.setStyle('height',(slide.getProperty("height"))+'px');

          }           
        }
        if(this.options.addBarInside) { 
          this.nestAll.setStyle('width',slide.getProperty("width")+'px');
        }
        if(this.options.browser) {
          var width =  this.containerNest.getSize();
          this.navigation.setStyle('width',width.size.x-1+'px');
        }
      
      }
      i++;
    }, this);
  },
  addSlide: function(slide){
    this.addSlides([slide]);
  },
  cycleForward: function(){
    if($chk(this.now) && this.now < this.slides.length-1) this.showSlide(this.now+1);
    else if ((this.now) && this.options.wrap) this.showSlide(0);
    else if(!$defined(this.now)) this.showSlide(this.options.startIndex);
  },
  cycleBack: function(){
    if(this.now > 0) this.showSlide(this.now-1);
    else if(this.options.wrap) this.showSlide(this.slides.length-1);
  },
  cycleTo: function(i){
    if(this.playStatus) {
      this.togglePlay();
    }  
    this.showSlide(i);
  },
  togglePlay: function() {
    if (this.playStatus) {
      this.stop();
      this.playStatus = false;
      this.play.innerHTML = this.options.play;
      this.play.setProperty('title',"Play");
    }
    else {
      this.autoplay();
      this.playStatus = true;
      this.play.innerHTML = this.options.stop;
      this.play.setProperty('title',"Stop");
    }
  },
  autoplay: function(){
    this.slideshowInt = this.rotate.periodical(this.options.slideInterval, this);
    this.fireEvent('onAutoPlay');
  },
  stop: function(){
    clearInterval(this.slideshowInt);
    this.fireEvent('onStop');
  },    
  rotate: function(){
    this.cycleForward();
    this.fireEvent('onRotate');
  },  
  showSlide: function(iToShow){

    var now = this.now;    
    var currentSlide = this.slides[now];
    var slide = this.slides[iToShow];

    
    function fadeIn(s){
      s.setStyles({
        display:'block',
        visibility: 'visible',
        opacity: 0
      });
      this.effects[this.slides.indexOf(s)].start(1);
      this.fireEvent('onShow', [slide, iToShow]);
    };
    
    if (!this.options.hideText) {
      if (this.options.addBarInside) this.description.innerHTML = this.title.innerHTML = "&nbsp;";
      if(this.options.browser) {
        this.browserArr.each(function(el) {
          el.removeClass("rgsact");
        });
      }
    }

    if(slide) {    
      if($chk(now) && now != iToShow){
        this.effects[now].start(0).chain(function(){
          this.slides[now].setStyle('display', 'none');
          fadeIn.apply(this, [slide]);
          if (!this.options.hideText && this.options.addBarInside) {
            this.description.innerHTML  = this.descr[iToShow];
            this.title.innerHTML  = this.title[iToShow];
            if(this.options.browser) this.browserArr[this.now].addClass("rgsact");
          }
        }.bind(this));
      } else {
        fadeIn.apply(this, [slide]);
          if (!this.options.hideText && this.options.addBarInside) {
            this.description.innerHTML  = this.descr[iToShow];
            this.title.innerHTML  = this.title[iToShow];
            if(this.options.browser) this.browserArr[0].addClass("rgsact");
          }
      }
      this.now = iToShow;
    }
    

  }
});
SimpleSlideShowDemo.implement(new Options, new Events);