/*
 * jQuery Nivo Slider v2.1
 * http://nivo.dev7studios.com
 *
 * Copyright 2010, Gilbert Pellegrom
 * Free to use and abuse under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * May 2010 - Pick random effect from specified set of effects by toronegro
 * May 2010 - controlNavThumbsFromRel option added by nerd-sh
 * May 2010 - Do not start nivoRun timer if there is only 1 slide by msielski
 * April 2010 - controlNavThumbs option added by Jamie Thompson (http://jamiethompson.co.uk)
 * March 2010 - manualAdvance option added by HelloPablo (http://hellopablo.co.uk)
 */
 
 /*------Made pretty by Sam H ^_^ -----*/

(function ($) {
    $.fn.nivoSlider = function (options) {
        var settings = $.extend({}, $.fn.nivoSlider.defaults, options);
        return this.each(function () {
            var vars = {
                currentSlide: 0,
                currentImage: '',
                totalSlides: 0,
                randAnim: '',
                running: false,
                paused: false,
                stop: false
            };
            var slider = $(this);
            slider.data('nivo:vars', vars);
            slider.css('position', 'relative');
            slider.addClass('nivoSlider');
            var kids = slider.children();
            kids.each(function () {
                var child = $(this);
                var link = '';
                if (!child.is('img')) {
                    if (child.is('a')) {
                        child.addClass('nivo-imageLink');
                        link = child
                    }
                    child = child.find('img:first')
                }
                var childWidth = child.width();
                if (childWidth == 0) childWidth = child.attr('width');
                var childHeight = child.height();
                if (childHeight == 0) childHeight = child.attr('height');
                if (childWidth > slider.width()) {
                    slider.width(childWidth)
                }
                if (childHeight > slider.height()) {
                    slider.height(childHeight)
                }
                if (link != '') {
                    link.css('display', 'none')
                }
                child.css('display', 'none');
                vars.totalSlides++
            });
            if (settings.startSlide > 0) {
                if (settings.startSlide >= vars.totalSlides) settings.startSlide = vars.totalSlides - 1;
                vars.currentSlide = settings.startSlide
            }
            if ($(kids[vars.currentSlide]).is('img')) {
                vars.currentImage = $(kids[vars.currentSlide])
            } else {
                vars.currentImage = $(kids[vars.currentSlide]).find('img:first')
            }
            if ($(kids[vars.currentSlide]).is('a')) {
                $(kids[vars.currentSlide]).css('display', 'block')
            }
            slider.css('background', 'url(' + vars.currentImage.attr('src') + ') no-repeat');
            for (var i = 0; i < settings.slices; i++) {
                var sliceWidth = Math.round(slider.width() / settings.slices);
                if (i == settings.slices - 1) {
                    slider.append($('<div class="nivo-slice"></div>').css({
                        left: (sliceWidth * i) + 'px',
                        width: (slider.width() - (sliceWidth * i)) + 'px'
                    }))
                } else {
                    slider.append($('<div class="nivo-slice"></div>').css({
                        left: (sliceWidth * i) + 'px',
                        width: sliceWidth + 'px'
                    }))
                }
            }
            slider.append($('<div class="nivo-caption"><p></p></div>').css({
                display: 'none',
                opacity: settings.captionOpacity
            }));
            if (vars.currentImage.attr('title') != '') {
                var title = vars.currentImage.attr('title');
                if (title.substr(0, 1) == '#') title = $(title).html();
                $('.nivo-caption p', slider).html(title);
                $('.nivo-caption', slider).fadeIn(settings.animSpeed)
            }
            var timer = 0;
            if (!settings.manualAdvance && kids.length > 1) {
                timer = setInterval(function () {
                    nivoRun(slider, kids, settings, false)
                }, settings.pauseTime)
            }
            if (settings.directionNav) {
                slider.append('<div class="nivo-directionNav"><a class="nivo-prevNav">Prev</a><a class="nivo-nextNav">Next</a></div>');
                if (settings.directionNavHide) {
                    $('.nivo-directionNav', slider).hide();
                    slider.hover(function () {
                        $('.nivo-directionNav', slider).show()
                    }, function () {
                        $('.nivo-directionNav', slider).hide()
                    })
                }
                $('a.nivo-prevNav', slider).live('click', function () {
                    if (vars.running) return false;
                    clearInterval(timer);
                    timer = '';
                    vars.currentSlide -= 2;
                    nivoRun(slider, kids, settings, 'prev')
                });
                $('a.nivo-nextNav', slider).live('click', function () {
                    if (vars.running) return false;
                    clearInterval(timer);
                    timer = '';
                    nivoRun(slider, kids, settings, 'next')
                })
            }
            if (settings.controlNav) {
                var nivoControl = $('<div class="nivo-controlNav"></div>');
                slider.append(nivoControl);
                for (var i = 0; i < kids.length; i++) {
                    if (settings.controlNavThumbs) {
                        var child = kids.eq(i);
                        if (!child.is('img')) {
                            child = child.find('img:first')
                        }
                        if (settings.controlNavThumbsFromRel) {
                            nivoControl.append('<a class="nivo-control" rel="' + i + '"><img src="' + child.attr('rel') + '" alt="" /></a>')
                        } else {
                            nivoControl.append('<a class="nivo-control" rel="' + i + '"><img src="' + child.attr('src').replace(settings.controlNavThumbsSearch, settings.controlNavThumbsReplace) + '" alt="" /></a>')
                        }
                    } else {
                        nivoControl.append('<a class="nivo-control" rel="' + i + '">' + (i + 1) + '</a>')
                    }
                }
                $('.nivo-controlNav a:eq(' + vars.currentSlide + ')', slider).addClass('active');
                $('.nivo-controlNav a', slider).live('click', function () {
                    if (vars.running) return false;
                    if ($(this).hasClass('active')) return false;
                    clearInterval(timer);
                    timer = '';
                    slider.css('background', 'url(' + vars.currentImage.attr('src') + ') no-repeat');
                    vars.currentSlide = $(this).attr('rel') - 1;
                    nivoRun(slider, kids, settings, 'control')
                })
            }
            if (settings.keyboardNav) {
                $(window).keypress(function (event) {
                    if (event.keyCode == '37') {
                        if (vars.running) return false;
                        clearInterval(timer);
                        timer = '';
                        vars.currentSlide -= 2;
                        nivoRun(slider, kids, settings, 'prev')
                    }
                    if (event.keyCode == '39') {
                        if (vars.running) return false;
                        clearInterval(timer);
                        timer = '';
                        nivoRun(slider, kids, settings, 'next')
                    }
                })
            }
            if (settings.pauseOnHover) {
                slider.hover(function () {
                    vars.paused = true;
                    clearInterval(timer);
                    timer = ''
                }, function () {
                    vars.paused = false;
                    if (timer == '' && !settings.manualAdvance) {
                        timer = setInterval(function () {
                            nivoRun(slider, kids, settings, false)
                        }, settings.pauseTime)
                    }
                })
            }
            slider.bind('nivo:animFinished', function () {
                vars.running = false;
                $(kids).each(function () {
                    if ($(this).is('a')) {
                        $(this).css('display', 'none')
                    }
                });
                if ($(kids[vars.currentSlide]).is('a')) {
                    $(kids[vars.currentSlide]).css('display', 'block')
                }
                if (timer == '' && !vars.paused && !settings.manualAdvance) {
                    timer = setInterval(function () {
                        nivoRun(slider, kids, settings, false)
                    }, settings.pauseTime)
                }
                settings.afterChange.call(this)
            })
        });

        function nivoRun(slider, kids, settings, nudge) {
            var vars = slider.data('nivo:vars');
            if ((!vars || vars.stop) && !nudge) return false;
            settings.beforeChange.call(this);
            if (!nudge) {
                slider.css('background', 'url(' + vars.currentImage.attr('src') + ') no-repeat')
            } else {
                if (nudge == 'prev') {
                    slider.css('background', 'url(' + vars.currentImage.attr('src') + ') no-repeat')
                }
                if (nudge == 'next') {
                    slider.css('background', 'url(' + vars.currentImage.attr('src') + ') no-repeat')
                }
            }
            vars.currentSlide++;
            if (vars.currentSlide == vars.totalSlides) {
                vars.currentSlide = 0;
                settings.slideshowEnd.call(this)
            }
            if (vars.currentSlide < 0) vars.currentSlide = (vars.totalSlides - 1);
            if ($(kids[vars.currentSlide]).is('img')) {
                vars.currentImage = $(kids[vars.currentSlide])
            } else {
                vars.currentImage = $(kids[vars.currentSlide]).find('img:first')
            }
            if (settings.controlNav) {
                $('.nivo-controlNav a', slider).removeClass('active');
                $('.nivo-controlNav a:eq(' + vars.currentSlide + ')', slider).addClass('active')
            }
            if (vars.currentImage.attr('title') != '') {
                var title = vars.currentImage.attr('title');
                if (title.substr(0, 1) == '#') title = $(title).html();
                if ($('.nivo-caption', slider).css('display') == 'block') {
                    $('.nivo-caption p', slider).fadeOut(settings.animSpeed, function () {
                        $(this).html(title);
                        $(this).fadeIn(settings.animSpeed)
                    })
                } else {
                    $('.nivo-caption p', slider).html(title)
                }
                $('.nivo-caption', slider).fadeIn(settings.animSpeed)
            } else {
                $('.nivo-caption', slider).fadeOut(settings.animSpeed)
            }
            var i = 0;
            $('.nivo-slice', slider).each(function () {
                var sliceWidth = Math.round(slider.width() / settings.slices);
                $(this).css({
                    height: '0px',
                    opacity: '0',
                    background: 'url(' + vars.currentImage.attr('src') + ') no-repeat -' + ((sliceWidth + (i * sliceWidth)) - sliceWidth) + 'px 0%'
                });
                i++
            });
            if (settings.effect == 'random') {
                var anims = new Array("sliceDownRight", "sliceDownLeft", "sliceUpRight", "sliceUpLeft", "sliceUpDown", "sliceUpDownLeft", "fold", "fade");
                vars.randAnim = anims[Math.floor(Math.random() * (anims.length + 1))];
                if (vars.randAnim == undefined) vars.randAnim = 'fade'
            }
            if (settings.effect.indexOf(',') != -1) {
                var anims = settings.effect.split(',');
                vars.randAnim = $.trim(anims[Math.floor(Math.random() * anims.length)])
            }
            vars.running = true;
            if (settings.effect == 'sliceDown' || settings.effect == 'sliceDownRight' || vars.randAnim == 'sliceDownRight' || settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft') {
                var timeBuff = 0;
                var i = 0;
                var slices = $('.nivo-slice', slider);
                if (settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft') slices = $('.nivo-slice', slider)._reverse();
                slices.each(function () {
                    var slice = $(this);
                    slice.css('top', '0px');
                    if (i == settings.slices - 1) {
                        setTimeout(function () {
                            slice.animate({
                                height: '100%',
                                opacity: '1.0'
                            }, settings.animSpeed, '', function () {
                                slider.trigger('nivo:animFinished')
                            })
                        }, (100 + timeBuff))
                    } else {
                        setTimeout(function () {
                            slice.animate({
                                height: '100%',
                                opacity: '1.0'
                            }, settings.animSpeed)
                        }, (100 + timeBuff))
                    }
                    timeBuff += 50;
                    i++
                })
            } else if (settings.effect == 'sliceUp' || settings.effect == 'sliceUpRight' || vars.randAnim == 'sliceUpRight' || settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft') {
                var timeBuff = 0;
                var i = 0;
                var slices = $('.nivo-slice', slider);
                if (settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft') slices = $('.nivo-slice', slider)._reverse();
                slices.each(function () {
                    var slice = $(this);
                    slice.css('bottom', '0px');
                    if (i == settings.slices - 1) {
                        setTimeout(function () {
                            slice.animate({
                                height: '100%',
                                opacity: '1.0'
                            }, settings.animSpeed, '', function () {
                                slider.trigger('nivo:animFinished')
                            })
                        }, (100 + timeBuff))
                    } else {
                        setTimeout(function () {
                            slice.animate({
                                height: '100%',
                                opacity: '1.0'
                            }, settings.animSpeed)
                        }, (100 + timeBuff))
                    }
                    timeBuff += 50;
                    i++
                })
            } else if (settings.effect == 'sliceUpDown' || settings.effect == 'sliceUpDownRight' || vars.randAnim == 'sliceUpDown' || settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft') {
                var timeBuff = 0;
                var i = 0;
                var v = 0;
                var slices = $('.nivo-slice', slider);
                if (settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft') slices = $('.nivo-slice', slider)._reverse();
                slices.each(function () {
                    var slice = $(this);
                    if (i == 0) {
                        slice.css('top', '0px');
                        i++
                    } else {
                        slice.css('bottom', '0px');
                        i = 0
                    }
                    if (v == settings.slices - 1) {
                        setTimeout(function () {
                            slice.animate({
                                height: '100%',
                                opacity: '1.0'
                            }, settings.animSpeed, '', function () {
                                slider.trigger('nivo:animFinished')
                            })
                        }, (100 + timeBuff))
                    } else {
                        setTimeout(function () {
                            slice.animate({
                                height: '100%',
                                opacity: '1.0'
                            }, settings.animSpeed)
                        }, (100 + timeBuff))
                    }
                    timeBuff += 50;
                    v++
                })
            } else if (settings.effect == 'fold' || vars.randAnim == 'fold') {
                var timeBuff = 0;
                var i = 0;
                $('.nivo-slice', slider).each(function () {
                    var slice = $(this);
                    var origWidth = slice.width();
                    slice.css({
                        top: '0px',
                        height: '100%',
                        width: '0px'
                    });
                    if (i == settings.slices - 1) {
                        setTimeout(function () {
                            slice.animate({
                                width: origWidth,
                                opacity: '1.0'
                            }, settings.animSpeed, '', function () {
                                slider.trigger('nivo:animFinished')
                            })
                        }, (100 + timeBuff))
                    } else {
                        setTimeout(function () {
                            slice.animate({
                                width: origWidth,
                                opacity: '1.0'
                            }, settings.animSpeed)
                        }, (100 + timeBuff))
                    }
                    timeBuff += 50;
                    i++
                })
            } else if (settings.effect == 'fade' || vars.randAnim == 'fade') {
                var i = 0;
                $('.nivo-slice', slider).each(function () {
                    $(this).css('height', '100%');
                    if (i == settings.slices - 1) {
                        $(this).animate({
                            opacity: '1.0'
                        }, (settings.animSpeed * 2), '', function () {
                            slider.trigger('nivo:animFinished')
                        })
                    } else {
                        $(this).animate({
                            opacity: '1.0'
                        }, (settings.animSpeed * 2))
                    }
                    i++
                })
            }
        }
    };
    $.fn.nivoSlider.defaults = {
        effect: 'random',
        slices: 15,
        animSpeed: 500,
        pauseTime: 3000,
        startSlide: 0,
        directionNav: true,
        directionNavHide: true,
        controlNav: true,
        controlNavThumbs: false,
        controlNavThumbsFromRel: false,
        controlNavThumbsSearch: '.jpg',
        controlNavThumbsReplace: '_thumb.jpg',
        keyboardNav: true,
        pauseOnHover: true,
        manualAdvance: false,
        captionOpacity: 0.8,
        beforeChange: function () {},
        afterChange: function () {},
        slideshowEnd: function () {}
    };
    $.fn._reverse = [].reverse
})(jQuery);