/* All code copyright 2007 Taras Mankovski */
/* email: tarasm@gmail.com */
/* website: http://www.oscandy.com/author/taras */

// This class adds lightbox functionality to smoothgallery
gallery = gallery.extend({
  initialize: function(element, options) {
    this.parent(element, options);
    this.addEvent('onPopulated', this.makeLink.bind(this));
    if (options.lightbox) this.lightbox = new lightboxforsmoothgallery(this.galleryData, {});
  },
  populateData: function() {
    currentArrayPlace = this.galleryData.length;
    options = this.options;
    data = this.galleryData;
    this.galleryElement.getElements(options.elementSelector).each(function(el) {
      elementDict = {
        imagepath: el.getElement(options.linkSelector).getProperty('href'),
        image: el.getElement(options.imageSelector).getProperty('src'),
        number: currentArrayPlace
      };
      if ((options.showInfopane) | (options.showCarousel))
        Object.extend(elementDict, {
          title: el.getElement(options.titleSelector).innerHTML,
          description: el.getElement(options.subtitleSelector).innerHTML
        });
      if (options.embedLinks)
        Object.extend(elementDict, {
          link: el.getElement(options.linkSelector).href||false,
          linkTitle: el.getElement(options.linkSelector).title||false
        });
      if ((!options.useThumbGenerator) && (options.showCarousel))
        Object.extend(elementDict, {
          thumbnail: el.getElement(options.thumbnailSelector).src
        });
      else if (options.useThumbGenerator)
        Object.extend(elementDict, {
          thumbnail: 'resizer.php?imgfile=' + elementDict.image + '&max_width=' + options.thumbWidth + '&max_height=' + options.thumbHeight
        });
      
      data[currentArrayPlace] = elementDict;
      currentArrayPlace++;
      if (this.options.destroyAfterPopulate)
        el.remove();
    });
    this.galleryData = data;
    this.fireEvent('onPopulated');
  },
  makeLink: function (num) {
    this.currentLink.setProperties({
      href: this.galleryData[num].link,
      title: this.galleryData[num].linkTitle
    })
    if (options.lightbox) this.currentLink.onclick = this.lightbox.open.pass(num, this.lightbox);
    if (!((this.options.embedLinks) && (!this.options.showArrows) && (!this.options.showCarousel)))
      this.currentLink.setStyle('display', 'block');  
  }
});

/*
  Slimbox v1.22 - The ultimate lightweight Lightbox clone
  by Christophe Beyls (http://www.digitalia.be) - MIT-style license.
  Inspired by the original Lightbox v2 by Lokesh Dhakar.
*/

var Lightbox = new Class({
  
  initialize: function(options) {
    this.options = Object.extend({
      resizeDuration: 400,    // Duration of height and width resizing (ms)
      initialWidth: 250,    // Initial width of the box (px)
      initialHeight: 250,   // Initial height of the box (px)
      animateCaption: true    // Enable/Disable caption animation
    }, options || {});
    this.anchors = [];
    $A(document.getElementsByTagName('a')).each(function(el){
      if(el.rel && el.href && el.rel.test('^lightbox', 'i')) {
        el.onclick = this.click.pass(el, this);
        this.anchors.push(el);
      }
    }, this);

    this.eventKeyDown = this.keyboardListener.bindAsEventListener(this);
    this.eventPosition = this.position.bind(this);

    this.buildbox();
    var nextEffect = this.nextEffect.bind(this);
    this.fx = {
      overlay: this.overlay.effect('opacity', { duration: 500 }).hide(),
      resize: this.center.effects({ duration: this.options.resizeDuration, onComplete: nextEffect }),
      image: this.image.effect('opacity', { duration: 500, onComplete: nextEffect }),
      bottom: this.bottom.effects({ duration: 400, onComplete: nextEffect })
    };
    
    this.preloadPrev = new Image();
    this.preloadNext = new Image();
  },
  buildbox : function () {
    this.overlay = new Element('div').setProperty('id', 'lbOverlay').injectInside(document.body); 
    this.center = new Element('div').setProperty('id', 'lbCenter').setStyles({width: this.options.initialWidth+'px', height: this.options.initialHeight+'px', marginLeft: '-'+(this.options.initialWidth/2)+'px', display: 'none'}).injectInside(document.body);
    this.image = new Element('div').setProperty('id', 'lbImage').injectInside(this.center);
    this.prevLink = new Element('a').setProperties({id: 'lbPrevLink', href: '#'}).injectInside(this.image);
    this.nextLink = this.prevLink.clone().setProperty('id', 'lbNextLink').injectInside(this.image);
    this.prevLink.onclick = this.previous.bind(this);
    this.nextLink.onclick = this.next.bind(this);
  
    this.bottom = new Element('div').setProperty('id', 'lbBottom').setStyle('display', 'none').injectInside(document.body);
    new Element('a').setProperties({id: 'lbCloseLink', href: '#'}).injectInside(this.bottom).onclick = this.overlay.onclick = this.close.bind(this);
    this.number = new Element('div').setProperty('id', 'lbNumber').injectInside(this.bottom);
    this.caption = new Element('div').setProperty('id', 'lbCaption').injectInside(this.bottom);
    new Element('div').setStyle('clear', 'both').injectInside(this.bottom);
  },
  click: function(link) {
    if(link.rel.length == 8) {
      return this.show(link.href, link.title);
    }
    var j, imageNum, images = [];
    this.anchors.each(function(el){
      if(el.rel == link.rel) {
        for(j = 0; j < images.length; j++)
          if(images[j][0] == el.href) break;
        if(j == images.length) {      
          images.push([el.href, el.title]);
          if(el.href == link.href) imageNum = j;
        }
      }
    }, this);
    return this.open(images, imageNum);
  },

  show: function(url, title) {
    return this.open([[url, title]], 0);
  },

  open: function(images, imageNum) {
    this.images = images;
    this.position();
    this.setup(true);
    this.top = Window.getScrollTop() + (Window.getHeight() / 15);
    this.center.setStyles({top: this.top+'px', display: ''});
    this.fx.overlay.custom(0.8);
    return this.changeImage(imageNum);
  },

  position: function() {
    this.overlay.setStyles({top: Window.getScrollTop()+'px', height: Window.getHeight()+'px'});
  },

  setup: function(open) {
    var elements = $A(document.getElementsByTagName('object'));
    elements.extend(document.getElementsByTagName(window.ActiveXObject ? 'select' : 'embed'));
    elements.each(function(el){ el.style.visibility = open ? 'hidden' : ''; });
    var fn = open ? 'addEvent' : 'removeEvent';
    window[fn]('scroll', this.eventPosition)[fn]('resize', this.eventPosition);
    document[fn]('keydown', this.eventKeyDown);
    this.step = 0;
  },

  keyboardListener: function(event) {
    switch(event.keyCode) {
      case 27: case 88: case 67: this.close(); break;
      case 37: case 80: this.previous(); break; 
      case 39: case 78: this.next();
    }
  },

  previous: function() {
    return this.changeImage(this.activeImage-1);
  },

  next: function() {
    return this.changeImage(this.activeImage+1);
  },

  changeImage: function(imageNum) {   
    if(this.step || (imageNum < 0) || (imageNum >= this.images.length)) return false;
    this.step = 1;
    this.activeImage = imageNum;
    
    this.prevLink.style.display = this.nextLink.style.display = 'none';
    this.bottom.setStyles({opacity: '0', height: '0px', display: 'none'});
    this.fx.image.hide();
    this.center.className = 'lbLoading';
    
    this.preload = new Image();
    this.preload.onload = this.nextEffect.bind(this);
    this.preload.src = this.images[imageNum][0];
    return false;
  },

  nextEffect: function() {
    switch(this.step++) {
    case 1:
      this.center.className = '';
      this.image.setStyles({backgroundImage: 'url('+this.images[this.activeImage][0]+')', width: this.preload.width+'px'});
      this.image.style.height = this.prevLink.style.height = this.nextLink.style.height = this.preload.height+'px';
      
      this.caption.setHTML(this.images[this.activeImage][1] || '');
      this.number.setHTML((this.images.length == 1) ? '' : 'Image '+(this.activeImage+1)+' of '+this.images.length);
      
      if(this.activeImage != 0) this.preloadPrev.src = this.images[this.activeImage - 1][0];
      if(this.activeImage != (this.images.length - 1)) this.preloadNext.src = this.images[this.activeImage + 1][0];
      if(this.center.clientHeight != this.image.offsetHeight+20) {
        this.fx.resize.custom({height: [this.center.clientHeight, this.image.offsetHeight]});
        break;
      }
      this.step++;
    case 2:
      if(this.center.clientWidth != this.image.offsetWidth+20) {
        this.fx.resize.custom({width: [this.center.clientWidth, this.image.offsetWidth], marginLeft: [-this.center.clientWidth/2, -this.image.offsetWidth/2]});
        break;
      }
      this.step++;
    case 3:
      this.bottom.setStyles({top: (this.top + this.center.clientHeight)+'px', width: this.image.style.width, marginLeft: this.center.style.marginLeft, display: ''});
      this.fx.image.custom(0, 1);
      break;
    case 4:
      if(this.options.animateCaption) {
        this.fx.bottom.custom({opacity: [0, 1], height: [0, this.bottom.scrollHeight]});
        break;
      }
      this.bottom.setStyles({opacity: '1', height: this.bottom.scrollHeight+'px'});
    case 5:
      if(this.activeImage != 0) this.prevLink.style.display = '';
      if(this.activeImage != (this.images.length - 1)) this.nextLink.style.display = '';
      this.step = 0;
    }
  },

  close: function() {
    if(this.step < 0) return;
    this.step = -1;
    if(this.preload) {
      this.preload.onload = Class.empty;
      this.preload = null;
    }
    for(var f in this.fx) this.fx[f].clearTimer();
    this.center.style.display = this.bottom.style.display = 'none';
    this.fx.overlay.chain(this.setup.pass(false, this)).custom(0);
    return false;
  }
});

/* All code copyright 2007 Taras Mankovski */
/* email: tarasm@gmail.com */
/* website: http://www.oscandy.com/author/taras */

// This class extends lightbox class and makes the lightbox compatible with smoothgallery
var lightboxforsmoothgallery = Lightbox.extend({
  initialize: function(galleryData, options) {
    this.options = Object.extend({
      resizeDuration: 400,  // Duration of height and width resizing (ms)
      initialWidth: 250,    // Initial width of the box (px)
      initialHeight: 250,   // Initial height of the box (px)
      animateCaption: true  // Enable/Disable caption animation
    }, options || {});
    
    this.images = galleryData;
    
    this.eventKeyDown = this.keyboardListener.bindAsEventListener(this);
    this.eventPosition = this.position.bind(this);
    
    this.overlay = new Element('div').setProperty('id', 'lbOverlay').injectInside(document.body);
    
    this.center = new Element('div').setProperty('id', 'lbCenter').setStyles({width: this.options.initialWidth+'px', height: this.options.initialHeight+'px', marginLeft: '-'+(this.options.initialWidth/2)+'px', display: 'none'}).injectInside(document.body);
    this.image = new Element('div').setProperty('id', 'lbImage').injectInside(this.center);
    this.prevLink = new Element('a').setProperties({id: 'lbPrevLink', href: '#'}).setStyle('display', 'none').injectInside(this.image);
    this.nextLink = this.prevLink.clone().setProperty('id', 'lbNextLink').injectInside(this.image);
    this.prevLink.onclick = this.previous.bind(this);
    this.nextLink.onclick = this.next.bind(this);
    
    this.bottom = new Element('div').setProperty('id', 'lbBottom').setStyle('display', 'none').injectInside(document.body);
    this.close = new Element('a').setProperties({id: 'lbCloseLink', href: '#'}).injectInside(this.bottom).onclick = this.overlay.onclick = this.close.bind(this);
    this.number = new Element('div').setProperty('id', 'lbNumber').addClass('gallery').injectInside(this.bottom);
    this.description = new Element('div').setProperty('id', 'lbDescription').injectInside(this.bottom);
    this.title = new Element('div').setProperty('id', 'lbTitle').injectInside(this.description);
    new Element('div').setStyle('clear', 'both').injectInside(this.description);
    this.caption = new Element('div').setProperty('id', 'lbCaption').injectInside(this.description);
    new Element('div').setStyle('clear', 'both').injectInside(this.bottom);
    
    var nextEffect = this.nextEffect.bind(this);
    this.fx = {
      overlay: this.overlay.effect('opacity', { duration: 500 }).hide(),
      resize: this.center.effects({ duration: this.options.resizeDuration, onComplete: nextEffect }),
      image: this.image.effect('opacity', { duration: 500, onComplete: nextEffect }),
      bottom: this.bottom.effects({ duration: 400, onComplete: nextEffect })
    };
    
    this.preloadPrev = new Image();
    this.preloadNext = new Image();
    
    this.open.bind(this);
    this.changeImage.bind(this);    
  },
  buildbox : function () {
    this.overlay = new Element('div').setProperty('id', 'lbOverlay').injectInside(document.body); 
    this.center = new Element('div').setProperty('id', 'lbCenter').setStyles({width: this.options.initialWidth+'px', height: this.options.initialHeight+'px', marginLeft: '-'+(this.options.initialWidth/2)+'px', display: 'none'}).injectInside(document.body);
    this.image = new Element('div').setProperty('id', 'lbImage').injectInside(this.center);
    this.prevLink = new Element('a').setProperties({id: 'lbPrevLink', href: '#'}).injectInside(this.image);
    this.nextLink = this.prevLink.clone().setProperty('id', 'lbNextLink').injectInside(this.image);
    this.prevLink.onclick = this.previous.bind(this);
    this.nextLink.onclick = this.next.bind(this);
  
    this.bottom = new Element('div').setProperty('id', 'lbBottom').setStyle('display', 'none').injectInside(document.body);
    new Element('a').setProperties({id: 'lbCloseLink', href: '#'}).injectInside(this.bottom).onclick = this.overlay.onclick = this.close.bind(this);
    new Element('div').setProperty('id', 'lbDescription').injectInside(this.bottom);
    this.number = new Element('div').setProperty('id', 'lbNumber').injectInside(this.bottom);
    this.title = new Element('div').setProperty('id', 'lbTitle').injectInside(this.description);
    this.caption = new Element('div').setProperty('id', 'lbCaption').injectInside(this.description);
    new Element('div').setStyle('clear', 'both').injectInside(this.bottom);
  },
  open: function(num) {
    this.position();
    this.setup(true);
    this.top = Window.getScrollTop() + (Window.getHeight() / 15);
    this.center.setStyles({top: this.top+'px', display: ''});
    this.fx.overlay.custom(0.8);
    return this.changeImage(num);
  },
  changeImage: function(num) {    
    if(this.step || (num < 0) || (num >= this.images.length)) return false;
    this.step = 1;
    this.activeImage = num;
    
    this.prevLink.style.display = this.nextLink.style.display = 'none';
    this.bottom.setStyles({opacity: '0', height: '0px', display: 'none'});
    this.fx.image.hide();
    this.center.className = 'lbLoading';
    
    this.preload = new Image();
    this.preload.onload = this.nextEffect.bind(this);
    this.preload.src = this.images[num].imagepath;
    return false;
  },
  nextEffect: function() {
    switch(this.step++) {
    case 1:
      this.center.className = '';
      this.image.setStyles({backgroundImage: 'url('+this.images[this.activeImage].imagepath+')', width: this.preload.width+'px'});
      this.image.style.height = this.prevLink.style.height = this.nextLink.style.height = this.preload.height+'px';
      
      this.title.setHTML(this.images[this.activeImage].title || '');
      this.caption.setHTML(this.images[this.activeImage].description || '');
      this.number.setHTML((this.images.length == 1) ? '' : 'Image '+(this.activeImage+1)+' of '+this.images.length);
  
      if(this.activeImage != 0) this.preloadPrev.src = this.images[this.activeImage - 1].imagepath;
      if(this.activeImage != (this.images.length - 1)) this.preloadNext.src = this.images[this.activeImage + 1].imagepath;
      if(this.center.clientHeight != this.image.offsetHeight+20) {
        this.fx.resize.custom({height: [this.center.clientHeight, this.image.offsetHeight]});
        break;
      }
      this.step++;
    case 2:
      if(this.center.clientWidth != this.image.offsetWidth+20) {
        this.fx.resize.custom({width: [this.center.clientWidth, this.image.offsetWidth], marginLeft: [-this.center.clientWidth/2, -this.image.offsetWidth/2]});
        break;
      }
      this.step++;
    case 3:
      this.bottom.setStyles({top: (this.top + this.center.clientHeight)+'px', width: this.image.style.width, marginLeft: this.center.style.marginLeft, display: ''});
      this.fx.image.custom(0, 1);
      break;
    case 4:
      if(this.options.animateCaption) {
        this.fx.bottom.custom({opacity: [0, 1], height: [0, this.bottom.scrollHeight]});
        break;
      }
      this.bottom.setStyles({opacity: '1', height: this.bottom.scrollHeight+'px'});
    case 5:
      if(this.activeImage != 0) this.prevLink.style.display = '';
      if(this.activeImage != (this.images.length - 1)) this.nextLink.style.display = '';
      this.step = 0;
    }
  }
});