/*
* Thickbox 3.1-byrne - One Box To Rule Them All.
* By Cody Lindley (http://www.codylindley.com)
* Modifications by Byrne Reese (http://www.majordojo.com/)
* Copyright (c) 2007 Cody Lindley
* Copyright (c) 2009 Byrne Reese
* Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
*/

var imageText = "Kuva ";
var imageOfText = "/";
var prevText = "Edellinen";
var nextText = "Seuraava";
var prevText = "Edellinen";
var closeText = "Sulje";
var pressEscText = "";

(function($) {
	$.fn.thickbox = function(options) {
		var settings = $.extend({}, $.fn.thickbox.defaults, options);
		var imgLoader = new Image(); // preload image
		imgLoader.src = settings.loadingImage;
		return this.each(function() {
			obj = $(this);
			obj.click(function() {
				var t = this.title || this.name || null;
				var a = this.href || this.alt;
				var g = this.rel || false;
				tb_show(t, a, g);
				this.blur();
				return false;
			});
		});
		function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
			try {
				if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
					$("body", "html").css({ height: "100%", width: "100%" });
					$("html").css("overflow", "hidden");
					if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
						$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
						$("#TB_overlay").click(tb_remove);
					}
				} else {//all others
					if (document.getElementById("TB_overlay") === null) {
						$("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
						$("#TB_overlay").click(tb_remove);
					}
				}

				if (tb_detectMacXFF()) {
					//use png overlay so hide flash
					$("#TB_overlay").addClass("TB_overlayMacFFBGHack");
					$("#TB_overlay").css({
						'background-image': 'url(' + settings.macFFBgHack + ')',
						'background-repeat': 'repeat'
					});
				} else {
					$("#TB_overlay").addClass("TB_overlayBG"); //use background and opacity
				}

				if (caption === null) { caption = ""; }
				$("body").append("<div id='TB_load'><img src='" + imgLoader.src + "' /></div>"); //add loader to the page
				$('#TB_load').show(); //show loader

				var baseURL;
				if (url.indexOf("?") !== -1) { //ff there is a query string involved
					baseURL = url.substr(0, url.indexOf("?"));
				} else {
					baseURL = url;
				}

				var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
				var urlType = baseURL.toLowerCase().match(urlString);

				if (urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp') {//code to show images

					TB_PrevCaption = "";
					TB_PrevURL = "";
					TB_PrevHTML = "";
					TB_NextCaption = "";
					TB_NextURL = "";
					TB_NextHTML = "";
					TB_imageCount = "";
					TB_FoundURL = false;
					if (imageGroup) {
						TB_TempArray = $("a[rel=" + imageGroup + "]").get();
						for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
							var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
							if (!(TB_TempArray[TB_Counter].href == url)) {
								if (TB_FoundURL) {
									TB_NextCaption = TB_TempArray[TB_Counter].title;
									TB_NextURL = TB_TempArray[TB_Counter].href;
									TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>" + nextText + "&nbsp;&gt;</a></span>";
								} else {
									TB_PrevCaption = TB_TempArray[TB_Counter].title;
									TB_PrevURL = TB_TempArray[TB_Counter].href;
									TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt;&nbsp;" + prevText + "</a></span>";
								}
							} else {
								TB_FoundURL = true;
								TB_imageCount = imageText + (TB_Counter + 1) + imageOfText + (TB_TempArray.length);
							}
						}
					}

					imgPreloader = new Image();
					imgPreloader.onload = function() {
						imgPreloader.onload = null;

						// Resizing large images - orginal by Christian Montoya edited by me.
						var pagesize = tb_getPageSize();
						var x = pagesize[0] - 150;
						var y = pagesize[1] - 150;
						var imageWidth = imgPreloader.width;
						var imageHeight = imgPreloader.height;
						if (imageWidth > x) {
							imageHeight = imageHeight * (x / imageWidth);
							imageWidth = x;
							if (imageHeight > y) {
								imageWidth = imageWidth * (y / imageHeight);
								imageHeight = y;
							}
						} else if (imageHeight > y) {
							imageWidth = imageWidth * (y / imageHeight);
							imageHeight = y;
							if (imageWidth > x) {
								imageHeight = imageHeight * (x / imageWidth);
								imageWidth = x;
							}
						}
						// End Resizing

						TB_WIDTH = imageWidth + 30;
						TB_HEIGHT = imageHeight + 60;
						$("#TB_window").append("<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='" + url + "' width='" + imageWidth + "' height='" + imageHeight + "' alt='" + caption + "'/></a>" + "<div id='TB_caption'>" + caption + "<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>" + closeText + "</a> " + pressEscText + "</div>");

						$("#TB_closeWindowButton").click(tb_remove);

						if (!(TB_PrevHTML === "")) {
							function goPrev() {
								if ($(document).unbind("click", goPrev)) { $(document).unbind("click", goPrev); }
								$("#TB_window").remove();
								$("body").append("<div id='TB_window'></div>");
								tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
								return false;
							}
							$("#TB_prev").click(goPrev);
						}

						if (!(TB_NextHTML === "")) {
							function goNext() {
								$("#TB_window").remove();
								$("body").append("<div id='TB_window'></div>");
								tb_show(TB_NextCaption, TB_NextURL, imageGroup);
								return false;
							}
							$("#TB_next").click(goNext);

						}

						document.onkeydown = function(e) {
							if (e == null) { // ie
								keycode = event.keyCode;
							} else { // mozilla
								keycode = e.which;
							}
							if (keycode == 27) { // close
								tb_remove();
							} else if (keycode == 190) { // display previous image
								if (!(TB_NextHTML == "")) {
									document.onkeydown = "";
									goNext();
								}
							} else if (keycode == 188) { // display next image
								if (!(TB_PrevHTML == "")) {
									document.onkeydown = "";
									goPrev();
								}
							}
						};

						tb_position();
						$("#TB_load").remove();
						$("#TB_ImageOff").click(tb_remove);
						$("#TB_window").css({ display: "block" }); //for safari using css instead of show
					};

					imgPreloader.src = url;
				} else {//code to show html

					TB_WIDTH = (settings.width) + 30; //defaults to 630 if no paramaters were added to URL
					TB_HEIGHT = (settings.height) + 40; //defaults to 440 if no paramaters were added to URL
					ajaxContentW = TB_WIDTH - 30;
					ajaxContentH = TB_HEIGHT - 45;

					if (settings.iframe) {// either iframe or ajax window		
						urlNoQuery = url.split('TB_');
						$("#TB_iframeContent").remove();
						if (!settings.modal) {//iframe no modal
							$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>" + caption + "</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div></div><iframe frameborder='0' hspace='0' src='" + urlNoQuery[0] + "' id='TB_iframeContent' name='TB_iframeContent" + Math.round(Math.random() * 1000) + "' onload='tb_showIframe()' style='width:" + (ajaxContentW + 29) + "px;height:" + (ajaxContentH + 17) + "px;' > </iframe>");
						} else {//iframe modal
							$("#TB_overlay").unbind();
							$("#TB_window").append("<iframe frameborder='0' hspace='0' src='" + urlNoQuery[0] + "' id='TB_iframeContent' name='TB_iframeContent" + Math.round(Math.random() * 1000) + "' onload='tb_showIframe()' style='width:" + (ajaxContentW + 29) + "px;height:" + (ajaxContentH + 17) + "px;'> </iframe>");
						}
					} else {// not an iframe, ajax
						if ($("#TB_window").css("display") != "block") {
							if (!settings.modal) {//ajax no modal
								$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>" + caption + "</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a> or Esc Key</div></div><div id='TB_ajaxContent' style='width:" + ajaxContentW + "px;height:" + ajaxContentH + "px'></div>");
							} else {//ajax modal
								$("#TB_overlay").unbind();
								$("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:" + ajaxContentW + "px;height:" + ajaxContentH + "px;'></div>");
							}
						} else {//this means the window is already up, we are just loading new content via ajax
							$("#TB_ajaxContent")[0].style.width = ajaxContentW + "px";
							$("#TB_ajaxContent")[0].style.height = ajaxContentH + "px";
							$("#TB_ajaxContent")[0].scrollTop = 0;
							$("#TB_ajaxWindowTitle").html(caption);
						}
					}

					$("#TB_closeWindowButton").click(tb_remove);

					if (settings.inlineId) {
						$("#TB_ajaxContent").append($('#' + settings.inlineId).children());
						$("#TB_window").unload(function() {
							$('#' + settings.inlineId).append($("#TB_ajaxContent").children()); // move elements back when you're finished
						});
						tb_position();
						$("#TB_load").remove();
						$("#TB_window").css({ display: "block" });
					} else if (settings.iframe) {
						tb_position();
						if ($.browser.safari) {//safari needs help because it will not fire iframe onload
							$("#TB_load").remove();
							$("#TB_window").css({ display: "block" });
						}
					} else {
						$("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()), function() {//to do a post change this load method
							tb_position();
							$("#TB_load").remove();
							$("#TB_ajaxContent a.thickbox").thickbox(settings);
							$("#TB_window").css({ display: "block" });
						});
					}

				}

				if (!settings.modal) {
					document.onkeyup = function(e) {
						if (e == null) { // ie
							keycode = event.keyCode;
						} else { // mozilla
							keycode = e.which;
						}
						if (keycode == 27) { // close
							tb_remove();
						}
					};
				}
			} catch (e) {
				//nothing here
			}
		};
		//helper functions below
		function tb_showIframe() {
			$("#TB_load").remove();
			$("#TB_window").css({ display: "block" });
		};
		function tb_remove() {
			$("#TB_imageOff").unbind("click");
			$("#TB_closeWindowButton").unbind("click");
			$("#TB_window").fadeOut("fast", function() { $('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove(); });
			$("#TB_load").remove();
			if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
				$("body", "html").css({ height: "auto", width: "auto" });
				$("html").css("overflow", "");
			}
			document.onkeydown = "";
			document.onkeyup = "";
			return false;
		};
		function tb_position() {
			$("#TB_window").css({ marginLeft: '-' + parseInt((TB_WIDTH / 2), 10) + 'px', width: TB_WIDTH + 'px' });
			if (!(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
				$("#TB_window").css({ marginTop: '-' + parseInt((TB_HEIGHT / 2), 10) + 'px' });
			}
		};
		function tb_getPageSize() {
			var de = document.documentElement;
			var w = window.innerWidth || self.innerWidth || (de && de.clientWidth) || document.body.clientWidth;
			var h = window.innerHeight || self.innerHeight || (de && de.clientHeight) || document.body.clientHeight;
			arrayPageSize = [w, h];
			return arrayPageSize;
		};
		function tb_detectMacXFF() {
			var userAgent = navigator.userAgent.toLowerCase();
			if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox') != -1) {
				return true;
			}
		};
	};
	$.fn.thickbox.defaults = {
		modal: 0,
		inlineId: null,
		iframe: false,
		width: 600,
		height: 400,
		macFFBgHack: '../images/macFFBgHack.png',
		loadingImage: '../images/thickbox-loading.gif'
	};
})(jQuery);