// --------------------------------------------------------------------- jQuery lightBox plugin
(function($)
{
	$.fn.lightBox = function(settings)
	{
		settings = jQuery.extend(
		{
			overlayBgColor: 		'#000',
			overlayOpacity:			0.8,
			fixedNavigation:		false,
			imageLoading:			'http://www.apart-design.net/wp-content/themes/apart02/img/lightbox-ico-loading.gif',
			imageBtnPrev:			'http://www.apart-design.net/wp-content/themes/apart02/img/lightbox-btn-prev.gif',
			imageBtnNext:			'http://www.apart-design.net/wp-content/themes/apart02/img/lightbox-btn-next.gif',
			imageBtnClose:			'http://www.apart-design.net/wp-content/themes/apart02/img/lightbox-btn-close.gif',
			imageBlank:				'http://www.apart-design.net/wp-content/themes/apart02/img/lightbox-blank.gif',
			containerBorderSize:	10,			// (integer) If you adjust the padding in the CSS for the container, #lightbox-container-image-box, you will need to update this value
			containerResizeSpeed:	400,		// (integer) Specify the resize duration of container image. These number are miliseconds. 400 is default.
			txtImage:				'photo',	// (string) Specify text "Image"
			txtOf:					'of',		// (string) Specify text "of"
			keyToClose:				'c',		// (string) (c = close) Letter to close the jQuery lightBox interface. Beyond this letter, the letter X and the SCAPE key is used to.
			keyToPrev:				'p',		// (string) (p = previous) Letter to show the previous image
			keyToNext:				'n',		// (string) (n = next) Letter to show the next image.
			imageArray:				[],
			activeImage:			0
		},settings);
		var jQueryMatchedObj = this; // This, in this context, refer to jQuery object
		function _initialize()
		{
			_start(this,jQueryMatchedObj); // This, in this context, refer to object (link) which the user have clicked
			return false; // Avoid the browser following the link
		}
		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')));
			}
			else
			{
				for ( var i = 0; i < jQueryMatchedObj.length; i++ )
				{
					settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'),jQueryMatchedObj[i].getAttribute('title')));
				}
			}
			while ( settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href') )
			{
				settings.activeImage++;
			}
			_set_image_to_view();
		}
		function _set_interface()
		{
			$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><img id="lightbox-image"><div style="" id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></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"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="' + settings.imageBtnClose + '"></a></div></div></div></div>');	
			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-loading-link,#lightbox-secNav-btnClose').click(function()
			{
				_finish();
				return false;
			});
			$(window).resize(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()
		{ // show the loading
			$('#lightbox-loading').show();
			if ( settings.fixedNavigation )
			{
				$('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
			}
			else
			{
				$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').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)); // Plus the imageｴs width and the left and right padding value
			var intHeight = (intImageHeight + (settings.containerBorderSize * 2)); // Plus the imageｴs height and the left and right padding value
			var intDiffW = intCurrentWidth - intWidth;
			var intDiffH = intCurrentHeight - intHeight;
			$('#lightbox-container-image-box').animate({ width: intWidth, height: intHeight },settings.containerResizeSpeed,function() { _show_image(); });
			if ( ( intDiffW == 0 ) && ( intDiffH == 0 ) )
			{
				if ( $.browser.msie ) { ___pause(250); }
				else { ___pause(100); }
			} 
			$('#lightbox-container-image-data-box').css({ width: intImageWidth });
			$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ height: intImageHeight + (settings.containerBorderSize * 2) });
		};
		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-image-details-caption').hide();
			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 )
			{
				if ( settings.fixedNavigation )
				{
					$('#lightbox-nav-btnPrev').css({ 'background' : 'url(' + settings.imageBtnPrev + ') left 15% no-repeat' })
						.unbind()
						.bind('click',function()
						{
							settings.activeImage = settings.activeImage - 1;
							_set_image_to_view();
							return false;
						});
				}
				else
				{
					$('#lightbox-nav-btnPrev').unbind().hover(function()
					{
						$(this).css({ 'background' : 'url(' + settings.imageBtnPrev + ') left 15% no-repeat' });
					},
					function()
					{
						$(this).css({ 'background' : 'transparent url(' + settings.imageBlank + ') no-repeat' });
					}).show().bind('click',function()
					{
						settings.activeImage = settings.activeImage - 1;
						_set_image_to_view();
						return false;
					});
				}
			}
			if ( settings.activeImage != ( settings.imageArray.length -1 ) )
			{
				if ( settings.fixedNavigation )
				{
					$('#lightbox-nav-btnNext').css({ 'background' : 'url(' + settings.imageBtnNext + ') right 15% no-repeat' })
						.unbind()
						.bind('click',function()
						{
							settings.activeImage = settings.activeImage + 1;
							_set_image_to_view();
							return false;
						});
				}
				else
				{
					$('#lightbox-nav-btnNext').unbind().hover(function()
					{
						$(this).css({ 'background' : 'url(' + settings.imageBtnNext + ') right 15% no-repeat' });
					},
					function()
					{
						$(this).css({ 'background' : 'transparent url(' + settings.imageBlank + ') no-repeat' });
					}).show().bind('click',function()
					{
						settings.activeImage = settings.activeImage + 1;
						_set_image_to_view();
						return false;
					});
				}
			}
			_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)
			{ // all but Explorer Mac
				xScroll = document.body.scrollWidth;
				yScroll = document.body.scrollHeight;
			}
			else
			{ // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
				xScroll = document.body.offsetWidth;
				yScroll = document.body.offsetHeight;
			}
			var windowWidth, windowHeight;
			if (self.innerHeight)
			{	// all except Explorer
				if(document.documentElement.clientWidth)
				{
					windowWidth = document.documentElement.clientWidth; 
				}
				else
				{
					windowWidth = self.innerWidth;
				}
				windowHeight = self.innerHeight;
			}
			else if (document.documentElement && document.documentElement.clientHeight)
			{ // Explorer 6 Strict Mode
				windowWidth = document.documentElement.clientWidth;
				windowHeight = document.documentElement.clientHeight;
			}
			else if (document.body)
			{ // other Explorers
				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) {	 // Explorer 6 Strict
				yScroll = document.documentElement.scrollTop;
				xScroll = document.documentElement.scrollLeft;
			} else if (document.body) {// all other Explorers
				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); // Call and execute the function immediately passing the jQuery object



$(document).ready(function()
{
	$('#post a[@href$=.jpg]').lightBox();
	var imgWidth = $('#post p a.center img').width();
	$('#post p a.center').css({width:imgWidth});
	// 記事・コメント等の切り替え
	var entrySortBts = $("#contents ul.entryNav a");
	$(entrySortBts + ".post").css({'color':'#fff','background-color':'#333'});
	currentSwitch = 'post';
	$(entrySortBts).click(function()
	{
		nextSwitch = $(this).attr('class');
		if(currentSwitch != nextSwitch)
		{
			$(entrySortBts).css({'color':'#ECA834','background-color':'#fff'});
			$(entrySortBts + "." + nextSwitch + "").css({'color':'#fff','background-color':'#333'});
			$("#contents > div").hide();
			$("#contents > div#" + nextSwitch + "").fadeIn('slow');
			currentSwitch = nextSwitch;
		}
		return false;
	});
});