﻿/*GALLERY*/
(function ($) {

    var $$;

    $$ = $.fn.galleria = function ($options) {

        // check for basic CSS support
        if (!$$.hasCSS()) { return false; }

        // init the modified history object
        $.historyInit($$.onPageLoad);

        // set default options
        var $defaults = {
            insert: '.galleria_container',
            history: true,
            clickNext: true,
            onImage: function (image, caption, thumb) { },
            onThumb: function (thumb) { }
        };

        // extend the options
        var $opts = $.extend($defaults, $options);

        // bring the options to the galleria object
        for (var i in $opts) {
            if (i) {
                $.galleria[i] = $opts[i];
            }
        }

        // if no insert selector, create a new division and insert it before the ul
        var _insert = ($($opts.insert).is($opts.insert)) ?
		$($opts.insert) :
		jQuery(document.createElement('div')).insertBefore(this);

        // create a wrapping div for the image
        var _div = $(document.createElement('div')).addClass('galleria_wrapper');

        // create a caption span
        var _span = $(document.createElement('span')).addClass('caption');

        // inject the wrapper in in the insert selector
        _insert.addClass('galleria_container').append(_div).append(_span);

        //-------------

        return this.each(function () {

            // add the Galleria class
            $(this).addClass('galleria');

            // loop through list
            $(this).children('li').each(function (i) {

                // bring the scope
                var _container = $(this);

                // build element specific options
                var _o = $.meta ? $.extend({}, $opts, _container.data()) : $opts;

                // remove the clickNext if image is only child
                _o.clickNext = $(this).is(':only-child') ? false : _o.clickNext;

                // try to fetch an anchor
                var _a = $(this).find('a').is('a') ? $(this).find('a') : false;

                // reference the original image as a variable and hide it
                var _img = $(this).children('img').css('display', 'none');

                // extract the original source
                var _src = _a ? _a.attr('href') : _img.attr('src');

                // find a title
                var _title = _a ? _a.attr('title') : _img.attr('title');

                // create loader image            
                var _loader = new Image();

                // check url and activate container if match
                if (_o.history && (window.location.hash && window.location.hash.replace(/\#/, '') == _src)) {
                    _container.siblings('.active').removeClass('active');
                    _container.addClass('active');
                }

                // begin loader
                $(_loader).load(function () {

                    // try to bring the alt
                    $(this).attr('alt', _img.attr('alt'));

                    //-----------------------------------------------------------------
                    // the image is loaded, let's create the thumbnail

                    var _thumb = _a ?
					_a.find('img').addClass('thumb noscale').css('display', 'none') :
					_img.clone(true).addClass('thumb').css('display', 'none');

                    if (_a) { _a.replaceWith(_thumb); }

                    if (!_thumb.hasClass('noscale')) { // scaled tumbnails!
                        var w = Math.ceil(_img.width() / _img.height() * _container.height());
                        var h = Math.ceil(_img.height() / _img.width() * _container.width());
                        if (w < h) {
                             _thumb.css({ height: 'auto', width: _container.width(), marginTop: -40});
                        } else {
                            _thumb.css({ width: 'auto', height: _container.height(), marginLeft: -(w - _container.width()) / 2 });
                        }
                    } else { // Center thumbnails.
                        // a tiny timer fixed the width/height
                        window.setTimeout(function () {
                            _thumb.css({
                                marginLeft: -(_thumb.width() - _container.width()) / 2,
                                marginTop: -(_thumb.height() - _container.height()) / 2
                            });
                        }, 1);
                    }

                    // add the rel attribute
                    _thumb.attr('rel', _src);

                    // add the title attribute
                    _thumb.attr('title', _title);

                    // add the click functionality to the _thumb
                    _thumb.click(function () {
                        $.galleria.activate(_src);
                    });

                    // hover classes for IE6
                    _thumb.hover(
					function () { $(this).addClass('hover'); },
					function () { $(this).removeClass('hover'); }
				);
                    _container.hover(
					function () { _container.addClass('hover'); },
					function () { _container.removeClass('hover'); }
				);

                    // prepend the thumbnail in the container
                    _container.prepend(_thumb);

                    // show the thumbnail
                    _thumb.css('display', 'block');

                    // call the onThumb function
                    _o.onThumb(jQuery(_thumb));

                    // check active class and activate image if match
                    if (_container.hasClass('active')) {
                        $.galleria.activate(_src);
                        //_span.text(_title);
                    }

                    //-----------------------------------------------------------------

                    // finally delete the original image
                    _img.remove();

                }).error(function () {

                    // Error handling
                    _container.html('<span class="error" style="color:red">Error loading image: ' + _src + '</span>');

                }).attr('src', _src);
            });
        });
    };

    $$.nextSelector = function (selector) {
        return $(selector).is(':last-child') ?
		   $(selector).siblings(':first-child') :
    	   $(selector).next();

    };

    $$.previousSelector = function (selector) {
        return $(selector).is(':first-child') ?
		   $(selector).siblings(':last-child') :
    	   $(selector).prev();

    };

    $$.hasCSS = function () {
        $('body').append(
		$(document.createElement('div')).attr('id', 'css_test').css({ width: '1px', height: '1px', display: 'none' })
	);
        var _v = ($('#css_test').width() != 1) ? false : true;
        $('#css_test').remove();
        return _v;
    };

    $$.onPageLoad = function (_src) {

        // get the wrapper
        var _wrapper = $('.galleria_wrapper');

        // get the thumb
        var _thumb = $('.galleria img[rel="' + _src + '"]');

        if (_src) {

            // new hash location
            if ($.galleria.history) {
                window.location = window.location.href.replace(/\#.*/, '') + '#' + _src;
            }

            // alter the active classes
            _thumb.parents('li').siblings('.active').removeClass('active');
            _thumb.parents('li').addClass('active');

            // define a new image
            var _img = $(new Image()).attr('src', _src).addClass('replaced');

            // empty the wrapper and insert the new image
            _wrapper.empty().append(_img);

            // insert the caption
            _wrapper.siblings('.caption').text(_thumb.attr('title'));

            // fire the onImage function to customize the loaded image's features
            $.galleria.onImage(_img, _wrapper.siblings('.caption'), _thumb);

            // add clickable image helper
            if ($.galleria.clickNext) {
                _img.css('cursor', 'pointer').click(function () { $.galleria.next(); });
            }

        } else {

            // clean up the container if none are active
            //_wrapper.siblings().andSelf().empty();

            // remove active classes
            //$('.galleria li.active').removeClass('active');
        }

        // place the source in the galleria.current variable
        $.galleria.current = _src;

    };

    $.extend({ galleria: {
        current: '',
        onImage: function () { },
        activate: function (_src) {
            if ($.galleria.history) {
                $.historyLoad(_src);
            } else {
                $$.onPageLoad(_src);
            }
        },
        next: function () {
            var _next = $($$.nextSelector($('.galleria img[rel="' + $.galleria.current + '"]').parents('li'))).find('img').attr('rel');
            $.galleria.activate(_next);
        },
        prev: function () {
            var _prev = $($$.previousSelector($('.galleria img[rel="' + $.galleria.current + '"]').parents('li'))).find('img').attr('rel');
            $.galleria.activate(_prev);
        }
    }
    });

})(jQuery);



jQuery.extend({
    historyCurrentHash: undefined,

    historyCallback: undefined,

    historyInit: function (callback) {
        jQuery.historyCallback = callback;
        var current_hash = location.hash;

        jQuery.historyCurrentHash = current_hash;
        if (jQuery.browser.msie) {
            // To stop the callback firing twice during initilization if no hash present
            if (jQuery.historyCurrentHash === '') {
                jQuery.historyCurrentHash = '#';
            }

            // add hidden iframe for IE
            $("body").prepend('<iframe id="jQuery_history" style="display: none;"></iframe>');
            var ihistory = $("#jQuery_history")[0];
            var iframe = ihistory.contentWindow.document;
            iframe.open();
            iframe.close();
            iframe.location.hash = current_hash;
        }
        else if ($.browser.safari) {
            // etablish back/forward stacks
            jQuery.historyBackStack = [];
            jQuery.historyBackStack.length = history.length;
            jQuery.historyForwardStack = [];

            jQuery.isFirst = true;
        }
        jQuery.historyCallback(current_hash.replace(/^#/, ''));
        setInterval(jQuery.historyCheck, 100);
    },

    historyAddHistory: function (hash) {
        // This makes the looping function do something
        jQuery.historyBackStack.push(hash);

        jQuery.historyForwardStack.length = 0; // clear forwardStack (true click occured)
        this.isFirst = true;
    },

    historyCheck: function () {
        if (jQuery.browser.msie) {
            // On IE, check for location.hash of iframe
            var ihistory = $("#jQuery_history")[0];
            var iframe = ihistory.contentDocument || ihistory.contentWindow.document;
            var current_hash = iframe.location.hash;
            if (current_hash != jQuery.historyCurrentHash) {

                location.hash = current_hash;
                jQuery.historyCurrentHash = current_hash;
                jQuery.historyCallback(current_hash.replace(/^#/, ''));

            }
        } else if ($.browser.safari) {
            if (!jQuery.dontCheck) {
                var historyDelta = history.length - jQuery.historyBackStack.length;

                if (historyDelta) { // back or forward button has been pushed
                    jQuery.isFirst = false;
                    var i;
                    if (historyDelta < 0) { // back button has been pushed
                        // move items to forward stack
                        for (i = 0; i < Math.abs(historyDelta); i++) {
                            jQuery.historyForwardStack.unshift(jQuery.historyBackStack.pop());
                        }
                    } else { // forward button has been pushed
                        // move items to back stack
                        for (i = 0; i < historyDelta; i++) {
                            jQuery.historyBackStack.push(jQuery.historyForwardStack.shift());
                        }
                    }
                    var cachedHash = jQuery.historyBackStack[jQuery.historyBackStack.length - 1];
                    if (cachedHash !== undefined) {
                        jQuery.historyCurrentHash = location.hash;
                        jQuery.historyCallback(cachedHash);
                    }
                } else if (jQuery.historyBackStack[jQuery.historyBackStack.length - 1] === undefined && !jQuery.isFirst) {
                    // back button has been pushed to beginning and URL already pointed to hash (e.g. a bookmark)
                    // document.URL doesn't change in Safari
                    if (document.URL.indexOf('#') >= 0) {
                        jQuery.historyCallback(document.URL.split('#')[1]);
                    } else {
                        current_hash = location.hash;
                        jQuery.historyCallback('');
                    }
                    jQuery.isFirst = true;
                }
            }
        } else {
            // otherwise, check for location.hash
            current_hash = location.hash;
            if (current_hash != jQuery.historyCurrentHash) {
                jQuery.historyCurrentHash = current_hash;
                jQuery.historyCallback(current_hash.replace(/^#/, ''));
            }
        }
    },
    historyLoad: function (hash) {
        var newhash;

        if (jQuery.browser.safari) {
            newhash = hash;
        }
        else {
            newhash = '#' + hash;
            location.hash = newhash;
        }
        jQuery.historyCurrentHash = newhash;

        if (jQuery.browser.msie) {
            var ihistory = $("#jQuery_history")[0];
            var iframe = ihistory.contentWindow.document;
            iframe.open();
            iframe.close();
            iframe.location.hash = newhash;
            jQuery.historyCallback(hash);
        }
        else if (jQuery.browser.safari) {
            jQuery.dontCheck = true;
            // Manually keep track of the history values for Safari
            this.historyAddHistory(hash);

            // Wait a while before allowing checking so that Safari has time to update the "history" object
            // correctly (otherwise the check loop would detect a false change in hash).
            var fn = function () { jQuery.dontCheck = false; };
            window.setTimeout(fn, 200);
            jQuery.historyCallback(hash);
            // N.B. "location.hash=" must be the last line of code for Safari as execution stops afterwards.
            //      By explicitly using the "location.hash" command (instead of using a variable set to "location.hash") the
            //      URL in the browser and the "history" object are both updated correctly.
            location.hash = newhash;
        }
        else {
            jQuery.historyCallback(hash);
        }
    }
});

/*GA SCROLL*/
(function ($) {
    $.fn.jqGalScroll = function (options) {
        return this.each(function (i) {
            var el = this
            el.curImage = 0;
            el.jqthis = $(this).css({ position: 'relative' });
            el.jqchildren = el.jqthis.children();
            el.opts = $.extend({}, jqGalScroll, options);
            el.index = i;
            el.totalChildren = el.jqchildren.size();
            var width, height;

            switch (el.opts.direction) {
                case 'horizontal':
                    width = el.totalChildren * el.opts.width;
                    height = el.opts.height;
                    break;
                case 'vertical':
                    width = el.opts.width;
                    height = el.totalChildren * el.opts.height;
                    break;
                default:
                    width = el.totalChildren * el.opts.width;
                    height = el.totalChildren * el.opts.height;
                    break;
            };

            el.container = $('<div id="jqGS' + i + '" class="jqGSContainer">');//.css({ position: 'relative' });
            el.ImgContainer = $('<div class="jqGSImgContainer" style="height:' + el.opts.height + 'px;overflow:hidden">')
								.css({ height: el.opts.height,  overflow: 'hidden' });
            el.jqthis.css({ height: height, width: width });

            el.jqthis.wrap(el.container);
            el.jqthis.wrap(el.ImgContainer);
            el.pagination = $('<div class="jqGSPagination">');
            el.jqthis.parent().parent().append(el.pagination);
            var jqul = $('<ul>').appendTo(el.pagination);
            var pos = { x: 0, y: 0 };

            //Show the pages only if there is more than 1 image
            if(el.jqchildren.length >1){
            el.jqchildren
			.each(function (j) {
			    var selected = '';
			    if (j == 0) selected = 'selected';

			    var $a = $('<a href="#' + (j) + '" class="' + selected + '">' + (j + 1) + '</a>').click(function () {
			        var href = this.index; //href.replace(/^.*#/, '');
			        el.pagination.find('.selected').removeClass('selected');
			        $(this).addClass('selected');
			        var params = {};
			        if (el.opts.direction == 'diagonal') {
			            params = { right: (el.opts.width * href), bottom: (el.opts.height * href) }
			        }
			        else if (el.opts.direction == 'vertical') {
			            params = { bottom: (el.opts.height * href) }
			        }
			        else if (el.opts.direction == 'horizontal') {
			            params = { right: (el.opts.width * href) }
			        };

			        el.jqthis.stop().animate(params, el.opts.speed, el.opts.ease);
			        index = href;
			        return false;
			    });

			    var n = $a.get(0);

			    n.index = j;

			    $('<li>').appendTo(jqul).append($a);

			    if (el.opts.direction == 'diagonal') {
			        pos.x = j * el.opts.width;
			        pos.y = j * el.opts.height;
			    }
			    else if (el.opts.direction == 'horizontal') {
			        pos.x = j * el.opts.width;
			    }
			    else if (el.opts.direction == 'vertical') {
			        pos.y = j * el.opts.height;
			    };

			    var jqchild = $(this).css({ height: el.opts.height, width: el.opts.width, position: 'absolute', left: pos.x, top: pos.y });

			    var jqimg = jqchild.find('img').hide()

			    if (jqimg.parent().is('a')) {
			        var p = jqimg.parent();
			        jqimg.get(0).linkHref = p.attr('href');
			        p.remove();
			        jqimg.appendTo(jqchild);
			    };

			    jqimg.click(function () {
			        var next = n.index + 1;
			        if ((n.index + 1) == el.totalChildren) {
			            el.pagination.find('[href$=#0]').click();
			        }
			        else {
			            el.pagination.find('[href$=#' + next + ']').click();
			        }
			    });

			    var $loader = $('<div class="jqGSLoader">').appendTo(jqchild);
			    var image = new Image();
			    image.onload = function () {
			        image.onload = null;
			        $loader.fadeOut();
                    jqimg.fadeIn();
			        //jqimg.css({ marginLeft: -image.width * .5, marginTop: -image.height * .5, position: 'absolute' }).fadeIn();
			        var alt = jqimg.attr('alt');
			    };
			    image.src = jqimg.attr('src');
			});
            }


        }); // end : this.each(function()
    };  // end : $.fn.jqGalScroll
    jqGalScroll = {
        ease: null,
        speed: 0,
        //height: 670,
        //width: 450,
        titleOpacity: .60,
        direction: 'horizontal' // vertical horizontal diagonal
    };
})(jQuery);