﻿jQuery(document).ready(function ($) {
    // We only want these styles applied when javascript is enabled
    $('div.content').css('display', 'block');

    // Initially set opacity on thumbs and add
    // additional styling for hover effect on thumbs
    var onMouseOutOpacity = 1;
    $('#thumbs ul.thumbs li, div.navigation a.pageLink').opacityrollover({
        mouseOutOpacity: onMouseOutOpacity,
        mouseOverOpacity: 1.0,
        fadeSpeed: 'fast'
    });

    // Initialize Advanced Galleriffic Gallery
    var gallery = $('#thumbs').galleriffic({
        delay: 4500,
        numThumbs: 6,
        preloadAhead: 6,
        enableTopPager: false,
        enableBottomPager: false,
        imageContainerSel: '#slideshow',
        controlsContainerSel: '#controls',
        captionContainerSel: '#caption',
        loadingContainerSel: '#loading',
        renderSSControls: true,
        renderNavControls: true,
        playLinkText: 'Play Slideshow',
        pauseLinkText: 'Pause Slideshow',
        prevLinkText: '&lsaquo; Previous Photo',
        nextLinkText: 'Next Photo &rsaquo;',
        nextPageLinkText: 'Next &rsaquo;',
        prevPageLinkText: '&lsaquo; Prev',
        enableHistory: true,
        autoStart: true,
        syncTransitions: true,
        defaultTransitionDuration: 900,
        onSlideChange: function (prevIndex, nextIndex) {
            // 'this' refers to the gallery, which is an extension of $('#thumbs')
            this.find('ul.thumbs').children()
							.eq(prevIndex).fadeTo('fast', onMouseOutOpacity).end()
							.eq(nextIndex).fadeTo('fast', 1.0);

            // Update the photo index display
            this.$captionContainer.find('div.photo-index')
							.html('Photo ' + (nextIndex + 1) + ' of ' + this.data.length);
        },
        onPageTransitionOut: function (callback) {
            this.fadeTo('fast', 0.0, callback);
        },
        onPageTransitionIn: function () {
            var prevPageLink = this.find('a.prev').css('visibility', '');
            var nextPageLink = this.find('a.next').css('visibility', '');

            // Show appropriate next / prev page links
            if (this.displayedPage > 0)
                prevPageLink.css('visibility', 'visible');

            var lastPage = this.getNumPages() - 1;
            if (this.displayedPage < lastPage)
                nextPageLink.css('visibility', 'visible');

            this.fadeTo('fast', 1.0);
        }
    });

    /**************** Event handlers for custom next / prev page links **********************/

    gallery.find('a.prev').click(function (e) {
        //debugger;
        gallery.previousPage();
        e.preventDefault();
    });

    gallery.find('a.next').click(function (e) {
        //debugger;
        gallery.nextPage();
        e.preventDefault();
    });

    /****************************************************************************************/

    /**** Functions to support integration of galleriffic with the jquery.history plugin ****/

    // PageLoad function
    // This function is called when:
    // 1. after calling $.historyInit();
    // 2. after calling $.historyLoad();
    // 3. after pushing "Go Back" button of a browser
    function pageload(hash) {
        // alert("pageload: " + hash);
        // hash doesn't contain the first # character.
        if (hash) {
            $.galleriffic.gotoImage(hash);
        } else {
            gallery.gotoIndex(0);
        }
    }

    // Initialize history plugin.
    // The callback is called at once by present location.hash. 
    $.historyInit(pageload, "advanced.html");

    // set onlick event for buttons using the jQuery 1.3 live method
    $("a[rel='history']").live('click', function (e) {
        if (e.button != 0) return true;

        var hash = this.href;
        hash = hash.replace(/^.*#/, '');

        // moves to a new page. 
        // pageload is called at once. 
        // hash don't contain "#", "?"
        $.historyLoad(hash);

        return false;
    });

    /****************************************************************************************/
});
