/* ------------------------------------------------------------------------
 * 	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: 'normal',
            opacity: 0.80,
            showTitle: true,
            allowresize: true,
            default_width: 500,
            default_height: 344,
            counter_separator_label: '/',
            theme: 'light_rounded',
            hideflash: false,
            wmode: 'opaque',
            autoplay: true,
            modal: false,
            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"> \
          <a href="#" class="pp_expand" title="Expand the image">Expand</a> \
          <div class="pp_hoverContainer"> \
           <a class="pp_next" href="#">next</a> \
           <a class="pp_previous" href="#">previous</a> \
          </div> \
          <div id="pp_full_res"></div> \
          <div class="pp_details clearfix"> \
           <a class="pp_close" href="#">Close</a> \
           <p class="pp_description"></p> \
           <div class="pp_nav"> \
            <a href="#" class="pp_arrow_previous">Previous</a> \
            <p class="currentTextHolder">0/0</p> \
            <a href="#" class="pp_arrow_next">Next</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($(this).find('img').attr('alt'));
                                descriptions.push($(this).attr('title'));
                            });
                        } else {
                            images = $(this).attr('href');
                            titles = ($(this).find('img').attr('alt')) ? $(this).find('img').attr('alt') : '';
                            descriptions = ($(this).attr('title')) ? $(this).attr('title') : '';
                        }
                    $.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());
                        $(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) + 40,
                    contentHeight: Math.floor(pp_contentHeight),
                    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) {
				$pp_pic_holder = $('.pp_pic_holder');
                $ppt = $('.ppt');
                $pp_overlay = $('div.pp_overlay');
                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);