/* ------------------------------------------------------------------------
 * 	Class: prettyPhoto
 * 	Use: Lightbox clone for jQuery
 * 	Author: Stephane Caron (http://www.no-margin-for-errors.com)
 * 	Version: 2.5.6
 ------------------------------------------------------------------------- */

(function($){
  $.prettyPhoto={
    version:'2.5.6'
  };
  $.fn.prettyPhoto=function(settings){
    settings=jQuery.extend({
      animationSpeed:'fast',
      opacity:0.60,
      showTitle:true,
      allowresize:true,
      default_width:688,
      default_height:500,
      counter_separator_label:'/',
      theme:'rif-green',
      hideflash:false,
      wmode:'opaque',
      autoplay:true,
      modal:true,
      changepicturecallback:function(){},
      callback:function(){},
      markup:'<div class="pp_pic_holder"> \
      <div class="pp_top"> \
       <div class="pp_left"></div> \
       <div class="pp_middle"></div> \
       <div class="pp_right"></div> \
      </div> \
      <div class="pp_content_container"> \
       <div class="pp_left"> \
       <div class="pp_right"> \
        <div class="pp_content"> \
         <div class="pp_loaderIcon"></div> \
         <div class="pp_fade"> \
          <div class="pp_hoverContainer"> \
           <a class="pp_next" href="#">Следующая</a> \
           <a class="pp_previous" href="#">Предыдущая</a> \
          </div> \
          <div id="pp_full_res"></div> \
          <a href="#" class="pp_expand" title="Увеличить/уменьшить">Увеличить</a> \
          <div class="pp_details clearfix"> \
           <a class="pp_close" href="#" title="Закрыть">Закрыть</a> \
           <div class="pp_description"></div> \
           <div class="pp_nav"> \
            <a href="javascript:void(0);" class="pp_arrow_previous">Предыдущая</a> \
            <p class="currentTextHolder">0/0</p> \
            <a href="javascript:void(0);" class="pp_arrow_next">Следующая</a> \
           </div> \
          </div> \
         </div> \
        </div> \
       </div> \
       </div> \
      </div> \
      <div class="pp_bottom"> \
       <div class="pp_left"></div> \
       <div class="pp_middle"></div> \
       <div class="pp_right"></div> \
      </div> \
     </div> \
     <div class="pp_overlay"></div> \
     <div class="ppt"></div>',
      image_markup:'<img id="fullResImage" src="" />',
      flash_markup:'<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="{width}" height="{height}"><param name="wmode" value="{wmode}" /><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="{path}" /><embed src="{path}" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="{width}" height="{height}" wmode="{wmode}"></embed></object>',
      quicktime_markup:'<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" height="{height}" width="{width}"><param name="src" value="{path}"><param name="autoplay" value="{autoplay}"><param name="type" value="video/quicktime"><embed src="{path}" height="{height}" width="{width}" autoplay="{autoplay}" type="video/quicktime" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>',
      iframe_markup:'<iframe src ="{path}" width="{width}" height="{height}" frameborder="no"></iframe>',
      inline_markup:'<div class="pp_inline clearfix">{content}</div>'
    },settings);
    if($.browser.msie&&parseInt($.browser.version)==6){
      settings.theme="light_square";
    }
    if($('.pp_overlay').size()==0)_buildOverlay();
    var doresize=true,percentBased=false,correctSizes,$pp_pic_holder,$ppt,$pp_overlay,pp_contentHeight,pp_contentWidth,pp_containerHeight,pp_containerWidth,windowHeight=$(window).height(),windowWidth=$(window).width(),setPosition=0,scrollPos=_getScroll();
    $(window).scroll(function(){
      scrollPos=_getScroll();
      _centerOverlay();
      _resizeOverlay();
    });
    $(window).resize(function(){
      _centerOverlay();
      _resizeOverlay();
    });
    $(document).keydown(function(e){
      if($pp_pic_holder.is(':visible'))
        switch(e.keyCode){
          case 37:
            $.prettyPhoto.changePage('previous');
            break;
          case 39:
            $.prettyPhoto.changePage('next');
            break;
          case 27:
            if(!settings.modal)
            $.prettyPhoto.close();
          break;
        };

    });
  $(this).each(function(){
    $(this).bind('click',function(){
      _self=this;
      theRel=$(this).attr('rel');
      galleryRegExp=/\[(?:.*)\]/;
      theGallery=galleryRegExp.exec(theRel);
      var images=new Array(),titles=new Array(),descriptions=new Array();
      if(theGallery){
        $('a[rel*='+theGallery+']').each(function(i){
          if($(this)[0]===$(_self)[0])setPosition=i;
          images.push($(this).attr('href'));
          titles.push($(this).attr('title'));
          descriptions.push($(this).find('img').attr('alt'));
        });
      }else{
        images=$(this).attr('href');
        titles=($(this).attr('title'))?$(this).attr('title'):'';
        descriptions=($(this).find('img').attr('alt'))?$(this).find('img').attr('alt'):'';
      }
      $.prettyPhoto.open(images,titles,descriptions);
      return false;
    });
  });
  $.prettyPhoto.open=function(gallery_images,gallery_titles,gallery_descriptions){
    if($.browser.msie&&$.browser.version==6){
      $('select').css('visibility','hidden');
    };

    if(settings.hideflash)$('object,embed').css('visibility','hidden');
    images=$.makeArray(gallery_images);
    titles=$.makeArray(gallery_titles);
    descriptions=$.makeArray(gallery_descriptions);
    image_set=($(images).size()>0)?true:false;
    _checkPosition($(images).size());
    $('.pp_loaderIcon').show();
    $pp_overlay.show().fadeTo(settings.animationSpeed,settings.opacity);
    $pp_pic_holder.find('.currentTextHolder').text((setPosition+1)+settings.counter_separator_label+$(images).size());
    if(descriptions[setPosition]){
      $pp_pic_holder.find('.pp_description').show().html(unescape(descriptions[setPosition]));
    }else{
      $pp_pic_holder.find('.pp_description').hide().text('');
    };

    if(titles[setPosition]&&settings.showTitle){
      hasTitle=true;
      $ppt.html(unescape(titles[setPosition]));
    }else{
      hasTitle=false;
    };

    movie_width=(parseFloat(grab_param('width',images[setPosition])))?grab_param('width',images[setPosition]):settings.default_width.toString();
    movie_height=(parseFloat(grab_param('height',images[setPosition])))?grab_param('height',images[setPosition]):settings.default_height.toString();
    if(movie_width.indexOf('%')!=-1||movie_height.indexOf('%')!=-1){
      movie_height=parseFloat(($(window).height()*parseFloat(movie_height)/100)-100);
      movie_width=parseFloat(($(window).width()*parseFloat(movie_width)/100)-100);
      percentBased=true;
    }
    $pp_pic_holder.fadeIn(function(){
      imgPreloader="";
      switch(_getFileType(images[setPosition])){
        case'image':
          imgPreloader=new Image();
          nextImage=new Image();
          if(image_set&&setPosition>$(images).size())nextImage.src=images[setPosition+1];
          prevImage=new Image();
          if(image_set&&images[setPosition-1])prevImage.src=images[setPosition-1];
          $pp_pic_holder.find('#pp_full_res')[0].innerHTML=settings.image_markup;
          $pp_pic_holder.find('#fullResImage').attr('src',images[setPosition]);
          imgPreloader.onload=function(){
          correctSizes=_fitToViewport(imgPreloader.width,imgPreloader.height);
          _showContent();
        };

        imgPreloader.onerror=function(){
          alert('Image cannot be loaded. Make sure the path is correct and image exist.');
          $.prettyPhoto.close();
        };

        imgPreloader.src=images[setPosition];
        break;
        case'youtube':
          correctSizes=_fitToViewport(movie_width,movie_height);
          movie='http://www.youtube.com/v/'+grab_param('v',images[setPosition]);
          if(settings.autoplay)movie+="&autoplay=1";
          toInject=settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,movie);
          break;
        case'vimeo':
          correctSizes=_fitToViewport(movie_width,movie_height);
          movie_id=images[setPosition];
          movie='http://vimeo.com/moogaloop.swf?clip_id='+movie_id.replace('http://vimeo.com/','');
          if(settings.autoplay)movie+="&autoplay=1";
          toInject=settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,movie);
          break;
        case'quicktime':
          correctSizes=_fitToViewport(movie_width,movie_height);
          correctSizes['height']+=15;
          correctSizes['contentHeight']+=15;
          correctSizes['containerHeight']+=15;
          toInject=settings.quicktime_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,images[setPosition]).replace(/{autoplay}/g,settings.autoplay);
          break;
        case'flash':
          correctSizes=_fitToViewport(movie_width,movie_height);
          flash_vars=images[setPosition];
          flash_vars=flash_vars.substring(images[setPosition].indexOf('flashvars')+10,images[setPosition].length);
          filename=images[setPosition];
          filename=filename.substring(0,filename.indexOf('?'));
          toInject=settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,filename+'?'+flash_vars);
          break;
        case'iframe':
          correctSizes=_fitToViewport(movie_width,movie_height);
          frame_url=images[setPosition];
          frame_url=frame_url.substr(0,frame_url.indexOf('iframe')-1);
          toInject=settings.iframe_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{path}/g,frame_url);
          break;
        case'inline':
          myClone=$(images[setPosition]).clone().css({
          'width':settings.default_width
          }).wrapInner('<div id="pp_full_res"><div class="pp_inline clearfix"></div></div>').appendTo($('body'));
          correctSizes=_fitToViewport($(myClone).width(),$(myClone).height()-47);
          $(myClone).remove();
          toInject=settings.inline_markup.replace(/{content}/g,$(images[setPosition]).html());
          break;
      };

      if(!imgPreloader){
        $pp_pic_holder.find('#pp_full_res')[0].innerHTML=toInject;
        _showContent();
      };

    });
};

$.prettyPhoto.changePage=function(direction){
  if(direction=='previous'){
    setPosition--;
    if(setPosition<0){
      setPosition=0;
      return;
    };

}else{
  if($('.pp_arrow_next').is('.disabled'))
    return;
  setPosition++;
};

if(!doresize)doresize=true;
  _hideContent(function(){
  $.prettyPhoto.open(images,titles,descriptions)
  });
$('a.pp_expand,a.pp_contract').fadeOut(settings.animationSpeed);
  };

  $.prettyPhoto.close=function(){
    $pp_pic_holder.find('object,embed').css('visibility','hidden');
    $('div.pp_pic_holder,div.ppt,.pp_fade').fadeOut(settings.animationSpeed);
    $pp_overlay.fadeOut(settings.animationSpeed,function(){
      $('#pp_full_res').html('');
      $pp_pic_holder.attr('style','').find('div:not(.pp_hoverContainer)').attr('style','');
      _centerOverlay();
      if($.browser.msie&&$.browser.version==6){
        $('select').css('visibility','visible');
      };

      if(settings.hideflash)$('object,embed').css('visibility','visible');
      setPosition=0;
      settings.callback();
    });
    doresize=true;
  };

  _showContent=function(){
    $('.pp_loaderIcon').hide();
    projectedTop=scrollPos['scrollTop']+((windowHeight/2)-(correctSizes['containerHeight']/2));
    if(projectedTop<0)projectedTop=0+$ppt.height();
    $pp_pic_holder.find('.pp_content').animate({
      'height':correctSizes['contentHeight']
      },settings.animationSpeed);
    $pp_pic_holder.animate({
      'top':projectedTop,
      'left':(windowWidth/2)-(correctSizes['containerWidth']/2),
      'width':correctSizes['containerWidth']
      },settings.animationSpeed,function(){
      $pp_pic_holder.find('.pp_hoverContainer,#fullResImage').height(correctSizes['height']).width(correctSizes['width']);
      $pp_pic_holder.find('.pp_fade').fadeIn(settings.animationSpeed);
      if(image_set&&_getFileType(images[setPosition])=="image"){
        $pp_pic_holder.find('.pp_hoverContainer').show();
      }else{
        $pp_pic_holder.find('.pp_hoverContainer').hide();
      }
      if(settings.showTitle&&hasTitle){
        $ppt.css({
          'top':$pp_pic_holder.offset().top-25,
          'left':$pp_pic_holder.offset().left+20,
          'display':'none'
        });
        $ppt.fadeIn(settings.animationSpeed);
      };

      if(correctSizes['resized'])$('a.pp_expand,a.pp_contract').fadeIn(settings.animationSpeed);
      settings.changepicturecallback();
    });
  };

  function _hideContent(callback){
    $pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility','hidden');
    $pp_pic_holder.find('.pp_fade').fadeOut(settings.animationSpeed,function(){
      $('.pp_loaderIcon').show();
      if(callback)callback();
    });
    $ppt.fadeOut(settings.animationSpeed);
  }
  function _checkPosition(setCount){
    if(setPosition==setCount-1){
      $pp_pic_holder.find('a.pp_next').css('visibility','hidden');
      $pp_pic_holder.find('a.pp_arrow_next').addClass('disabled').unbind('click');
    }else{
      $pp_pic_holder.find('a.pp_next').css('visibility','visible');
      $pp_pic_holder.find('a.pp_arrow_next.disabled').removeClass('disabled').bind('click',function(){
        $.prettyPhoto.changePage('next');
        return false;
      });
    };

    if(setPosition==0){
      $pp_pic_holder.find('a.pp_previous').css('visibility','hidden');
      $pp_pic_holder.find('a.pp_arrow_previous').addClass('disabled').unbind('click');
    }else{
      $pp_pic_holder.find('a.pp_previous').css('visibility','visible');
      $pp_pic_holder.find('a.pp_arrow_previous.disabled').removeClass('disabled').bind('click',function(){
        $.prettyPhoto.changePage('previous');
        return false;
      });
    };

    if(setCount>1){
      $('.pp_nav').show();
    }else{
      $('.pp_nav').hide();
    }
  };

function _fitToViewport(width,height){
  hasBeenResized=false;
  _getDimensions(width,height);
  imageWidth=width;
  imageHeight=height;
  if(((pp_containerWidth>windowWidth)||(pp_containerHeight>windowHeight))&&doresize&&settings.allowresize&&!percentBased){
    hasBeenResized=true;
    notFitting=true;
    while(notFitting){
      if((pp_containerWidth>windowWidth)){
        imageWidth=(windowWidth-200);
        imageHeight=(height/width)*imageWidth;
      }else if((pp_containerHeight>windowHeight)){
        imageHeight=(windowHeight-200);
        imageWidth=(width/height)*imageHeight;
      }else{
        notFitting=false;
      };

      pp_containerHeight=imageHeight;
      pp_containerWidth=imageWidth;
    };

    _getDimensions(imageWidth,imageHeight);
  };

  return{
    width:Math.floor(imageWidth),
    height:Math.floor(imageHeight),
    containerHeight:Math.floor(pp_containerHeight),
    containerWidth:Math.floor(pp_containerWidth)+20,
    contentHeight:Math.floor(pp_contentHeight)+11,
    contentWidth:Math.floor(pp_contentWidth),
    resized:hasBeenResized
  };

};

function _getDimensions(width,height){
  width=parseFloat(width);
  height=parseFloat(height);
  $pp_details=$pp_pic_holder.find('.pp_details');
  $pp_details.width(width);
  detailsHeight=parseFloat($pp_details.css('marginTop'))+parseFloat($pp_details.css('marginBottom'));
  $pp_details=$pp_details.clone().appendTo($('body')).css({
    'position':'absolute',
    'top':-10000
  });/*detailsHeight+=$pp_details.height();*/
  detailsHeight=(detailsHeight<=34)?36:detailsHeight;
  if($.browser.msie&&$.browser.version==7)detailsHeight+=8;
  $pp_details.remove();
  pp_contentHeight=height+detailsHeight;
  pp_contentWidth=width;
  pp_containerHeight=pp_contentHeight+$ppt.height()+$pp_pic_holder.find('.pp_top').height()+$pp_pic_holder.find('.pp_bottom').height();
  pp_containerWidth=width;
}
function _getFileType(itemSrc){
  if(itemSrc.match(/youtube\.com\/watch/i)){
    return'youtube';
  }else if(itemSrc.match(/vimeo\.com/i)){
    return'vimeo';
  }else if(itemSrc.indexOf('.mov')!=-1){
    return'quicktime';
  }else if(itemSrc.indexOf('.swf')!=-1){
    return'flash';
  }else if(itemSrc.indexOf('iframe')!=-1){
    return'iframe'
    }else if(itemSrc.substr(0,1)=='#'){
    return'inline';
  }else{
    return'image';
  };

};

function _centerOverlay(){
  if(doresize){
    titleHeight=$ppt.height();
    contentHeight=$pp_pic_holder.height();
    contentwidth=$pp_pic_holder.width();
    projectedTop=(windowHeight/2)+scrollPos['scrollTop']-((contentHeight+titleHeight)/2);
    $pp_pic_holder.css({
      'top':projectedTop,
      'left':(windowWidth/2)+scrollPos['scrollLeft']-(contentwidth/2)
      });
    $ppt.css({
      'top':projectedTop-titleHeight,
      'left':(windowWidth/2)+scrollPos['scrollLeft']-(contentwidth/2)+20
      });
  };

};

function _getScroll(){
  if(self.pageYOffset){
    return{
      scrollTop:self.pageYOffset,
      scrollLeft:self.pageXOffset
      };

}else if(document.documentElement&&document.documentElement.scrollTop){
  return{
    scrollTop:document.documentElement.scrollTop,
    scrollLeft:document.documentElement.scrollLeft
    };

}else if(document.body){
  return{
    scrollTop:document.body.scrollTop,
    scrollLeft:document.body.scrollLeft
    };

};

};

function _resizeOverlay(){
  windowHeight=$(window).height();
  windowWidth=$(window).width();
  $pp_overlay.css({
    'height':$(document).height()
    });
};

function _buildOverlay(){
  $('body').append(settings.markup);
  $pp_pic_holder=$('.pp_pic_holder');
  $ppt=$('.ppt');
  $pp_overlay=$('div.pp_overlay');
  $pp_pic_holder.attr('class','pp_pic_holder '+settings.theme);
  $pp_overlay.css({
    'opacity':0,
    'height':$(document).height()
    }).bind('click',function(){
    if(!settings.modal)
      $.prettyPhoto.close();
  });
  $('a.pp_close').bind('click',function(){
    $.prettyPhoto.close();
    return false;
  });
  $('a.pp_expand').bind('click',function(){
    $this=$(this);
    if($this.hasClass('pp_expand')){
      $this.removeClass('pp_expand').addClass('pp_contract');
      doresize=false;
    }else{
      $this.removeClass('pp_contract').addClass('pp_expand');
      doresize=true;
    };

    _hideContent(function(){
      $.prettyPhoto.open(images,titles,descriptions)
      });
    $pp_pic_holder.find('.pp_fade').fadeOut(settings.animationSpeed);
    return false;
  });
  $pp_pic_holder.find('.pp_previous, .pp_arrow_previous').bind('click',function(){
    $.prettyPhoto.changePage('previous');
    return false;
  });
  $pp_pic_holder.find('.pp_next, .pp_arrow_next').bind('click',function(){
    $.prettyPhoto.changePage('next');
    return false;
  });
};

_centerOverlay();
};

function grab_param(name,url){
  name=name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS="[\\?&]"+name+"=([^&#]*)";
  var regex=new RegExp(regexS);
  var results=regex.exec(url);
  if(results==null)
    return"";else
    return results[1];
}
})(jQuery);

