/**
 * jQuery lightBox plugin
 * This jQuery plugin was inspired and based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
 * and adapted to me for use like a plugin from jQuery.
 * @name jquery-lightbox-0.5.js
 * @author Leandro Vieira Pinho - http://leandrovieira.com
 * @version 0.5
 * @date April 11, 2008
 * @category jQuery plugin
 * @copyright (c) 2008 Leandro Vieira Pinho (leandrovieira.com)
 * @license CC Attribution-No Derivative Works 2.5 Brazil - http://creativecommons.org/licenses/by-nd/2.5/br/deed.en_US
 * @example Visit http://leandrovieira.com/projects/jquery/lightbox/ for more informations about this jQuery plugin
 */
(function($){
    $.fn.lightBox = function(settings){
        settings = jQuery.extend({
            overlayBgColor: '#000',
            overlayOpacity: 0.3,
            fixedNavigation: false,
            imageLoading: '/CommonFiles/MainProject/WPM_Templates/Images/lightbox/lightbox-ico-loading.gif',
            imageBtnPrev: '/CommonFiles/MainProject/WPM_Templates/Images/lightbox/btn-prev.png',
            imageBtnNext: '/CommonFiles/MainProject/WPM_Templates/Images/lightbox/btn-next.png',
            imageBtnClose: '/CommonFiles/MainProject/WPM_Templates/Images/order/orderCloseButton.png',
            imageBlank: '/CommonFiles/MainProject/WPM_Templates/Images/lightbox/lightbox-blank.gif',
            containerBorderSize: 0,
            containerResizeSpeed: 400,
            txtImage: 'Image',
            txtOf: 'of',
            keyToClose: 'c',
            keyToPrev: 'p',
            keyToNext: 'n',
            imageArray: [],
            activeImage: 0
        }, settings);

        var jQueryMatchedObj = this;
        function _initialize(){
            _start(this, jQueryMatchedObj);
            return false;
        }
        function _start(objClicked, jQueryMatchedObj){
            
            $('embed, object, select').css({
                'visibility': 'hidden'
            });
            _set_interface();
            
            settings.imageArray.length = 0;
            settings.activeImage = 0;
            if (jQueryMatchedObj.length == 1) {
                settings.imageArray.push(new Array(objClicked.getAttribute('href'), objClicked.getAttribute('title'), objClicked.getElementsByTagName('img')[0].getAttribute('alt')));
            }
            else {
                for (var i = 0; i < jQueryMatchedObj.length; i++) {
                    settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'), jQueryMatchedObj[i].getAttribute('title'), jQueryMatchedObj[i].getElementsByTagName('img')[0].getAttribute('alt')));
                }
            }
            while (settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href')) {
                settings.activeImage++;
            }
            _set_image_to_view();
        }
        function _set_interface(){
            var __layout =
            '<div id="jquery-overlay"></div>' +
                '<div id="jquery-lightbox">' +
                    '<div id="lightbox-container-image-box">' +
                        '<div id="lightbox-bg-lefttop"></div>'+
                        '<div id="lightbox-bg-leftbottom"></div>'+
                        '<div id="lightbox-bg-righttop"></div>'+
                        '<div id="lightbox-bg-rightbottom"></div>'+
                        '<div id="lightbox-bg-left"></div>'+
                        '<div id="lightbox-bg-top"></div>'+
                        '<div id="lightbox-bg-right"></div>'+
                        '<div id="lightbox-bg-bottom"></div>'+  
                        '<div id="lightbox-Header"></div>' +
                        '<div id="lightbox-container-image">' +
                            '<a href="#" id="lightbox-secNav-btnClose"><img src="' + settings.imageBtnClose + '"></a>' +
                            '<div id="lightbox-image-wrap"><img id="lightbox-image"></div>' +
                                '<div id="lightbox-loading">' +
                                    '<a href="#" id="lightbox-loading-link">' +
                                        '<img src="' + settings.imageLoading + '">' +
                                     '</a>' +
                                 '</div>' +
                         '</div>' +
                    '</div>' +
                    
                    '<div id="lightbox-container-image-data-box">' +
                        '<span id="lightbox-image-details-currentNumber"></span>' +
                        '<div style="" id="lightbox-nav">' +
                                '<a href="#" id="lightbox-nav-btnPrev"></a>' +
                                '<a href="#" id="lightbox-nav-btnNext"></a>' +
                        '</div>' +
                    
                    '<div id="lightbox-container-image-data-box-bg"></div>' +

                    '<div id="lightbox-container-image-data">' +
                        '<div id="lightbox-image-details">' +
                            '<span id="lightbox-image-details-caption"></span>' +
                        '</div>' +
                    '</div>' +
            '</div></div>';

            var layout =
            '<div id="jquery-overlay"></div>' +
                '<div id="jquery-lightbox">' +
                    '<div id="lightbox-container-image-box">' +
                        '<div id="lightbox-bg-lefttop"></div>'+
                        '<div id="lightbox-bg-leftbottom"></div>'+
                        '<div id="lightbox-bg-righttop"></div>'+
                        '<div id="lightbox-bg-rightbottom"></div>'+
                        '<div id="lightbox-bg-left"></div>'+
                        '<div id="lightbox-bg-top"></div>'+
                        '<div id="lightbox-bg-right"></div>'+
                        '<div id="lightbox-bg-bottom"></div>'+
                        '<div id="lightbox-Header"></div>' +
                        '<div id="lightbox-container-image">' +
                            '<a href="#" id="lightbox-secNav-btnClose"><img src="' + settings.imageBtnClose + '"></a>' +
                            '<div id="lightbox-image-wrap"><img id="lightbox-image"></div>' +
                                '<div id="lightbox-loading">' +
                                    '<a href="#" id="lightbox-loading-link">' +
                                        '<img src="' + settings.imageLoading + '">' +
                                     '</a>' +
                                 '</div>' +
                         '</div>' +
                  

                        '<div id="lightbox-container-image-data-box">' +
                            '<span id="lightbox-image-details-currentNumber"></span>' +
                            '<div style="" id="lightbox-nav">' +                                
                                    '<a href="#" id="lightbox-nav-btnPrev"></a>' +
                                    '<a href="#" id="lightbox-nav-btnNext"></a>' +
                            '</div>' +

                        '<div id="lightbox-container-image-data-box-bg"></div>' +

                        '<div id="lightbox-container-image-data">' +
                            '<div id="lightbox-image-details">' +
                                '<span id="lightbox-image-details-caption"></span>' +
                            '</div>' +
                        '</div>' +
                '</div>' +
            '</div></div>';

            $('body').append(layout);
            var arrPageSizes = ___getPageSize();
            $('#jquery-overlay').css({
                backgroundColor: settings.overlayBgColor,
                opacity: settings.overlayOpacity,
                width: arrPageSizes[0],
                height: arrPageSizes[1]
            }).fadeIn();
       
            var arrPageScroll = ___getPageScroll();
            $('#jquery-lightbox').css({
                top: arrPageScroll[1] + (arrPageSizes[3] / 10),
                left: arrPageScroll[0]
            }).show();
            $('#jquery-overlay,#jquery-lightbox').click(function(){
                _finish();
            });

            $('#lightbox-container-image-data-box').click(function(e){
                e.stopPropagation();
            });

            $('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function(){
                _finish();
                return false;
            });
            $(window).bind('resize scroll',function(){
                var arrPageSizes = ___getPageSize();
                $('#jquery-overlay').css({
                    width: arrPageSizes[0],
                    height: arrPageSizes[1]
                });
                var arrPageScroll = ___getPageScroll();
                $('#jquery-lightbox').css({
                    top: arrPageScroll[1] + (arrPageSizes[3] / 10),
                    left: arrPageScroll[0]
                });
            });
        }
        function _set_image_to_view(){
            $('#lightbox-loading').show();
            //return
            /*
            if (settings.fixedNavigation) {
                $('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
            }
            else {
            }
            */
            //#lightbox-container-image-data-box,#lightbox-image,
            //#lightbox-nav,#lightbox-container-image-box,#lightbox-nav-btnPrev,
            //#lightbox-nav-btnNext,#lightbox-image-details-currentNumber
            
           $('#lightbox-image,#lightbox-container-image-data-box,#lightbox-Header').hide();

            var objImagePreloader = new Image();
            objImagePreloader.onload = function(){
                
                $('#lightbox-image').attr('src', settings.imageArray[settings.activeImage][0]);

                _resize_container_image_box(objImagePreloader.width, objImagePreloader.height);
                objImagePreloader.onload = function(){
                };
            };
            objImagePreloader.src = settings.imageArray[settings.activeImage][0];
            
        };
        function _resize_container_image_box(intImageWidth, intImageHeight){
            var intCurrentWidth = $('#lightbox-container-image-box').width();
            var intCurrentHeight = $('#lightbox-container-image-box').height();
            var intWidth = (intImageWidth + (settings.containerBorderSize * 2));
            var intHeight = (intImageHeight + (settings.containerBorderSize));
            var intDiffW = intCurrentWidth - intWidth;
            var intDiffH = intCurrentHeight - intHeight;
            //settings.containerResizeSpeed = 10000;
            var newBoxWidth = intWidth;
            var newBoxHeight = intHeight + 60 +68;
            if (newBoxWidth!=intCurrentWidth || newBoxHeight!=intCurrentHeight) {
                $('#lightbox-container-image-box').animate({
                    width: newBoxWidth,
                    height: newBoxHeight
                }, settings.containerResizeSpeed, function(){
                    _show_image();
                });
                $('#lightbox-image-wrap').css({width:intImageWidth,height:intImageHeight});
                $('#lightbox-bg-top,#lightbox-bg-bottom').animate({width : intImageWidth-122-10 }, settings.containerResizeSpeed-400);
                $('#lightbox-bg-left,#lightbox-bg-right').animate({height : intImageHeight }, settings.containerResizeSpeed);
            } else {
               _show_image();
            }

            if ((intDiffW == 0) && (intDiffH == 0)) {
                if ($.browser.msie) {
                    ___pause(250);
                }
                else {
                    ___pause(100);
                }
            }
            /*
            $('#lightbox-container-image-data-box').css({
                width: intImageWidth
            });
			$('#lightbox-container-image-data-box-bg').css({
                width: intImageWidth,
				top:-settings.containerBorderSize
            });
            */
        };
        function _show_image(){
            $('#lightbox-loading').hide();
            $('#lightbox-image').fadeIn(function(){
                _show_image_data();
                _set_navigation();
            });
            _preload_neighbor_images();
        };
        function _show_image_data(){
            //$('#lightbox-container-image-data-box').slideDown('fast');
            
            $('#lightbox-container-image-data-box').show();
            $('#lightbox-image-details-caption').hide();
            $('#lightbox-Header').hide();
            if (settings.imageArray[settings.activeImage][2]) {
                $('#lightbox-Header').html(settings.imageArray[settings.activeImage][2]).show();
            }
            if (settings.imageArray[settings.activeImage][1]) {
                $('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show();
            }
            if (settings.imageArray.length > 1) {
                $('#lightbox-image-details-currentNumber').html(settings.txtImage+' '+(settings.activeImage+1)+' '+settings.txtOf+' '+settings.imageArray.length).show();
            }
        }
        function _set_navigation(){
            $('#lightbox-nav').show();
            $('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({
                'background': 'transparent url(' + settings.imageBlank + ') no-repeat'
            });
            if (settings.activeImage != 0) {
                $('#lightbox-nav-btnPrev').css({
					'background': 'url(' + settings.imageBtnPrev + ') left 0px no-repeat'
                }).show().unbind().bind('click', function(){
                    settings.activeImage = settings.activeImage - 1;
                    _set_image_to_view();
                    return false;
                });
            }
            else {
				$('#lightbox-nav-btnPrev').css({
					'background': 'url(' + settings.imageBtnPrev + ') left 0px no-repeat'
                }).show().unbind().bind('click', function(){
                    settings.activeImage = settings.imageArray.length - 1;
                    _set_image_to_view();
                    return false;
                });				
                /*$('#lightbox-nav-btnPrev').css({
                        'background': 'transparent url(' + settings.imageBlank + ') no-repeat'
                }).hide();*/                   
            }			
            if (settings.activeImage != (settings.imageArray.length - 1)) {
                $('#lightbox-nav-btnNext').css({
					'background': 'url(' + settings.imageBtnNext + ') right 0px no-repeat'
                }).show().unbind().bind('click', function(){
                    settings.activeImage = settings.activeImage + 1;
                    _set_image_to_view();
                    return false;
                });
            }
            else {
                $('#lightbox-nav-btnNext').css({
					'background': 'url(' + settings.imageBtnNext + ') right 0px no-repeat'
                }).show().unbind().bind('click', function(){
                    settings.activeImage = 0;
                    _set_image_to_view();
                    return false;
                });				
                /*$('#lightbox-nav-btnNext').css({
                        'background': 'transparent url(' + settings.imageBlank + ') no-repeat'
                }).hide();*/
            }			
            _enable_keyboard_navigation();
        }
        function _enable_keyboard_navigation(){
            $(document).keydown(function(objEvent){
                _keyboard_action(objEvent);
            });
        }
        function _disable_keyboard_navigation(){
            $(document).unbind();
        }
        function _keyboard_action(objEvent){
            if (objEvent == null) {
                keycode = event.keyCode;
                escapeKey = 27;
            }
            else {
                keycode = objEvent.keyCode;
                escapeKey = objEvent.DOM_VK_ESCAPE;
            }
            key = String.fromCharCode(keycode).toLowerCase();
            if ((key == settings.keyToClose) || (key == 'x') || (keycode == escapeKey)) {
                _finish();
            }
            if ((key == settings.keyToPrev) || (keycode == 37)) {
                if (settings.activeImage != 0) {
                    settings.activeImage = settings.activeImage - 1;
                    _set_image_to_view();
                    _disable_keyboard_navigation();
                }
            }
            if ((key == settings.keyToNext) || (keycode == 39)) {
                if (settings.activeImage != (settings.imageArray.length - 1)) {
                    settings.activeImage = settings.activeImage + 1;
                    _set_image_to_view();
                    _disable_keyboard_navigation();
                }
            }
        }
        function _preload_neighbor_images(){
            if ((settings.imageArray.length - 1) > settings.activeImage) {
                objNext = new Image();
                objNext.src = settings.imageArray[settings.activeImage + 1][0];
            }
            if (settings.activeImage > 0) {
                objPrev = new Image();
                objPrev.src = settings.imageArray[settings.activeImage - 1][0];
            }
        }
        function _finish(){
            $('#jquery-lightbox').remove();
            $('#jquery-overlay').fadeOut(function(){
                $('#jquery-overlay').remove();
            });
            $('embed, object, select').css({
                'visibility': 'visible'
            });
        }
        function ___getPageSize(){
            var xScroll, yScroll;
            if (window.innerHeight && window.scrollMaxY) {
                xScroll = window.innerWidth + window.scrollMaxX;
                yScroll = window.innerHeight + window.scrollMaxY;
            }
            else 
                if (document.body.scrollHeight > document.body.offsetHeight) {
                    xScroll = document.body.scrollWidth;
                    yScroll = document.body.scrollHeight;
                }
                else {
                    xScroll = document.body.offsetWidth;
                    yScroll = document.body.offsetHeight;
                }
            var windowWidth, windowHeight;
            if (self.innerHeight) {
                if (document.documentElement.clientWidth) {
                    windowWidth = document.documentElement.clientWidth;
                }
                else {
                    windowWidth = self.innerWidth;
                }
                windowHeight = self.innerHeight;
            }
            else 
                if (document.documentElement && document.documentElement.clientHeight) {
                    windowWidth = document.documentElement.clientWidth;
                    windowHeight = document.documentElement.clientHeight;
                }
                else 
                    if (document.body) {
                        windowWidth = document.body.clientWidth;
                        windowHeight = document.body.clientHeight;
                    }
            if (yScroll < windowHeight) {
                pageHeight = windowHeight;
            }
            else {
                pageHeight = yScroll;
            }
            if (xScroll < windowWidth) {
                pageWidth = xScroll;
            }
            else {
                pageWidth = windowWidth;
            }
            arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight);
            return arrayPageSize;
        };
        function ___getPageScroll(){
            var xScroll, yScroll;
            if (self.pageYOffset) {
                yScroll = self.pageYOffset;
                xScroll = self.pageXOffset;
            }
            else 
                if (document.documentElement && document.documentElement.scrollTop) {
                    yScroll = document.documentElement.scrollTop;
                    xScroll = document.documentElement.scrollLeft;
                }
                else 
                    if (document.body) {
                        yScroll = document.body.scrollTop;
                        xScroll = document.body.scrollLeft;
                    }
            arrayPageScroll = new Array(xScroll, yScroll);
            return arrayPageScroll;
        };
        function ___pause(ms){
            var date = new Date();
            curDate = null;
            do {
                var curDate = new Date();
            }
            while (curDate - date < ms);
        };
        return this.unbind('click').click(_initialize);
    };
})(jQuery);