/* ------------------------------------------------------------------------
 * 	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 style="display:none" 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) {
                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);