/*
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
 * Modifié
*/

var tb_pathToImage = dir_p + "circle_animation.gif";

/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

var tb_ie6;

//on page load call tb_init
$(function() {
	tb_ie6 = ($.browser.msie && $.browser.version < 7);
	tb_init('a.thickbox, area.thickbox, input.thickbox'); //pass where to apply thickbox
	imgLoader = new Image(); // preload image
	imgLoader.src = tb_pathToImage;
});

//add thickbox to href & area elements that have a class of .thickbox
//pour un area, rel n'étant pas autorisé, ajouter une classe commençant par 'area'
function tb_init(domChunk) {
	$(domChunk).click(function() {
		var t = this.title || tb_titleimage(this) || this.name || null;
		var d = tb_descriptif(this);
		var a = this.href || this.alt;
		var c = this.className;
		var g = this.rel || false;
		if (this.tagName == 'AREA' && c.indexOf('area') != -1) {
			var regx = /area[\w]*/i;
			g = regx.exec(c);
		}
		tb_show(t, d, a, g, c);
		this.blur();
		return false;
	});
}

function tb_show(caption, descriptif, url, imageGroup, classe) {//function called when the user clicks on a thickbox link

	try {
		if (tb_ie6) {
			$("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>");
				$("#TB_HideSelect,#TB_overlay").css({"position":"absolute", "height":$(document).height()});
				$("#TB_overlay").click(tb_remove);
			}
			$("#TB_window").css({"position":"absolute", "margin-top":$(document).scrollTop() + 10});
		} 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()) {
			$("#TB_overlay").addClass("TB_overlayMacFFBGHack"); //use png overlay so hide flash
		} else {
			$("#TB_overlay").addClass("TB_overlayBG"); //use background and opacity
		}

		if (caption === null) { caption = ""; }
		if (descriptif === null) { descriptif = ""; }
		$("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>"); //add loader to the page
		if (tb_ie6) $("#TB_load").css({"position":"absolute", "margin-top":$(document).scrollTop() - parseInt($("#TB_load").height() / 2)});
		$('#TB_load').show(); //show loader

		TB_PrevCaption = "";
		TB_PrevDescriptif = "";
		TB_PrevURL = "";
		TB_PrevHTML = "";
		TB_NextCaption = "";
		TB_NextDescriptif = "";
		TB_NextURL = "";
		TB_NextHTML = "";
		TB_serieCount = "";
		TB_AideHTML = "";
		TB_InfoHTML = "";
		TB_nombre = 1;
		if (imageGroup) {
			TB_TempArray = $("a[rel="+imageGroup+"], area."+imageGroup).get();
			TB_nombre = TB_TempArray.length;
			// on enlève le dernier s'il est déjà dans la liste (pour les plans)
			TB_Counter = 0;
			TB_plan = false;
			while (TB_Counter < TB_nombre - 1 && !TB_plan) {
			  TB_plan = (TB_TempArray[TB_Counter].href == TB_TempArray[TB_nombre - 1].href);
				TB_Counter++;
			}
			if (TB_plan) TB_nombre--;
			if (TB_TempArray.length > 1) {
				TB_Counter = 0;
				while (TB_Counter < TB_nombre && TB_TempArray[TB_Counter].href != url) TB_Counter++;
				var obj = TB_TempArray[(TB_Counter + TB_nombre - 1) % TB_nombre];
				TB_PrevCaption = obj.title || tb_titleimage(obj);
				TB_PrevDescriptif = tb_descriptif(obj);
				TB_PrevURL = obj.href;
				TB_PrevClass = obj.className;
				obj = TB_TempArray[(TB_Counter + TB_nombre + 1) % TB_nombre];
				TB_NextCaption = obj.title || tb_titleimage(obj);
				TB_NextDescriptif = tb_descriptif(obj);
				TB_NextURL = obj.href;
				TB_NextClass = obj.className;
				TB_serieCount = "<span>" + (TB_Counter + 1) + " / " + TB_nombre + "</span>";
				TB_PrevHTML = "<img id='TB_prev' src='" + dir_p + "avant.gif' width='12' width='11' title='Pr&eacute;c&eacute;dente' alt='' />";
				TB_NextHTML = "<img id='TB_next' src='" + dir_p + "apres.gif' width='12' width='11' title='Suivante' alt='' />";
				TB_AideHTML = "<div id='TB_AideWindow'><img id='TB_AideWindowButton' src='" + dir_p + "aide.gif' width='12' height='12' title='Aide' alt='' /></div>";
				TB_InfoHTML = "<table id='TB_Info'><tr><th colspan='2'>Au clavier</th></tr>"
					+ "<tr><td>Photo pr&eacute;c&eacute;dente<\/td><td><img src='" + dir_p + "kleft.gif' width='14' height='12' alt='' /></td></tr>"
					+ "<tr><td>Photo suivante</td><td><img src='" + dir_p + "kright.gif' width='14' height='12' alt='' />&nbsp; ou &nbsp;<img src='" + dir_p + "kespace.gif' width='35' height='12' alt='' /></td></tr>"
					+ "<tr><td>Fermer</td><td><img src='" + dir_p + "kesc.gif' width='20' height='12' alt='' /></td></tr></table>";
			}
		}

		TB_CounterHTML = "<div id='TB_CounterWindow'>" + TB_PrevHTML + TB_serieCount + TB_NextHTML + "</div>";
		TB_FermerHTML = "<div id='TB_closeWindow'><img id='TB_closeWindowButton' src='" + dir_p + "fermer.gif' width='11' height='11' title='Fermer' alt='' /></div>";

		var pageWidth = $(window).width();
		var pageHeight = $(window).height();

		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

			imgPreloader = new Image();

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

				var x = Math.min(pageWidth - 110, 1330); // ecran 1440 x 1200 maxi
				var y = Math.min(pageHeight - 90, 1110);
				if (caption != "") y -= 20;
				if (descriptif != "") y -= 30;
				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;
					}
					imageWidth = parseInt(imageWidth);
					imageHeight = parseInt(imageHeight);
				}

				var bulle = "";
				if (caption != "" && /^[0-9]+$/.test(caption)) { // légende numérique
					bulle = caption;
					caption = "";
				}

				if (caption == "") TB_CaptionHTML = "";
				else TB_CaptionHTML = "<div id='TB_caption'>" + caption + "</div>";
				if (descriptif == "") TB_DescriptifHTML = "";
				else TB_DescriptifHTML = "<div id='TB_descriptif'>" + descriptif + "</div>";

				TB_ImageHTML = "<img id='TB_Image' src='"+url+"' width='" + imageWidth + "' height='" + imageHeight + "' title='" + bulle + "'";
				if (classe.indexOf('sans') == -1) TB_ImageHTML += "class='ombre'";
				TB_ImageHTML += " alt='' />";

				TB_WIDTH = imageWidth + 61;
				$("#TB_window").css({border:"none"});
				if (caption == "" && descriptif == "") $("#TB_window").css({"padding-bottom":"25px"});
				else if (descriptif == "") $("#TB_window").css({"padding-bottom":"10px"});
				$("#TB_window").append(TB_AideHTML + TB_FermerHTML + TB_CounterHTML + TB_ImageHTML + TB_CaptionHTML + TB_DescriptifHTML + TB_InfoHTML);

				tb_commun(true);
				tb_position();
			};

			imgPreloader.src = url;
			if (!(TB_NextHTML == "")) { //preload de la prochaine image
				imageSuivante = new Image();
				imageSuivante.src = TB_NextURL;
			}

		} else { //code to show html

			var queryString = url.replace(/^[^\?]+\??/,'');
			var params = tb_parseQuery( queryString );

			TB_WIDTH = (params['width']*1) + 0 || 630; //defaults to 630 if no paramaters were added to URL
			TB_HEIGHT = (params['height']*1) + 0 || 440; //defaults to 440
			var x = parseInt(pageWidth - 50);
			if (TB_WIDTH > x) TB_WIDTH = x;
			var y = parseInt(pageHeight - 60);
			if (TB_HEIGHT > y) TB_HEIGHT = y;
			ajaxContentW = TB_WIDTH;
			ajaxContentH = TB_HEIGHT;

			if (url.indexOf('TB_iframe') != -1) {// either iframe or ajax window
				urlNoQuery = url.split('TB_');
				$("#TB_iframeContent").remove();
				if (params['modal'] != "true") {//iframe no modal
					$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div>" + TB_FermerHTML + "</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+"px;height:"+(ajaxContentH + 2)+"px;'></iframe>");
				} else {//iframe modal
					$("#TB_overlay").unbind();
					$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+ajaxContentW+"px; height:"+ajaxContentH+"px;'></iframe>");
				}
			} else {// not an iframe, ajax
				if ($("#TB_window").css("visibility") != "visible") {
					if (params['modal'] != "true") {//ajax no modal
						if (TB_nombre == 1) {
							$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div>" + TB_FermerHTML + "</div><div id='TB_ajaxContent'></div>");
						} else {
							$("#TB_window").append(TB_AideHTML + TB_FermerHTML + TB_CounterHTML + "<div id='TB_ajaxContent'></div>" + TB_InfoHTML);
						}
					} 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 = 'auto';
					$("#TB_ajaxContent")[0].scrollTop = 0;
					$("#TB_ajaxWindowTitle").html(caption);
				}
			}

			if (url.indexOf('TB_inline') != -1) {
				$("#TB_ajaxContent").append($('#' + params['inlineId']).children());
				$("#TB_window").unload(function() {
					$('#' + params['inlineId']).append($("#TB_ajaxContent").children()); // move elements back when you're finished
				});
				tb_retaille();
			} else if(url.indexOf('TB_iframe') != -1) {
				tb_retaille();
			} else {
				$("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function() {//to do a post change this load method
					tb_init("#TB_ajaxContent a.thickbox");
					// retaillage de la photo
					var obj = $("#TB_ajaxContent").find("#TB_Image").get(0) || null;
					if (obj) {
						var r = 1, r2 = 1;
						var w1 = parseInt($(obj).css("width"));
						var w = $(" img", obj).attr("width");
						var h = $(" img", obj).attr("height");
						var l = (params['large']*1) || 30;
						var x = Math.max(parseInt(pageWidth - l - 100), 200);
						var d = w1 - w;
						var y = Math.max(parseInt(pageHeight - 120), 150);
						if (w > x) r = x / w;
						if (h > y) r2 = y / h;
						if (r > r2) r = r2;
						w = parseInt(r * w);
						h = parseInt(r * h);
						w1 = w + d;
						$(obj).css({"width":w1+"px"});
						$(" img", obj).attr({"width":w,"height":h});
						TB_WIDTH = l + w1;
					}
					tb_retaille();
				});
			}
		}

	} catch(e) {
		//nothing here
	}

	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_PrevDescriptif, TB_PrevURL, imageGroup, TB_PrevClass);
		return false;
	}

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

	function tb_commun(clavier) {
		if (!(TB_InfoHTML === "")) {
			$("#TB_AideWindowButton").hover(function() {
				$("#TB_Info").show();
			}, function() {
				$("#TB_Info").hide();
			});
			$("#TB_Info").css({left: parseInt(TB_WIDTH / 2 - 108) + 'px'});
		}
		if (!(TB_PrevHTML === "")) $("#TB_prev").click(goPrev);
		if (!(TB_NextHTML === "")) $("#TB_next").click(goNext);
		if (clavier) {
			document.onkeydown = function(e) {
				if (e == null) keycode = event.keyCode; else keycode = e.which; // ie - mozilla
				switch (keycode) {
					case 27: tb_remove(); break; // esc
					case 32:
					case 39: if (!(TB_NextHTML === "")) {document.onkeydown = null; goNext();}
						break; // espace, flèche droite
					case 37: if (!(TB_PrevHTML === "")) {document.onkeydown = null; goPrev();}
						break; // flèche gauche
				}
			}
		}
	}

	function tb_retaille() {
		tb_commun(!params['modal']);
		tb_position();
		var y = parseInt(pageHeight - 80);
		if (y < 50) y = 50;
		var h = $("#TB_ajaxContent")[0].offsetHeight;
		if (h > y) $("#TB_ajaxContent")[0].style.height = y +"px";
	}

}

//helper functions below
function tb_showIframe(){
	$("#TB_load").remove();
	$("#TB_window").css({visibility:"visible"});
}

function tb_remove() {
 	$("#TB_Image").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 (tb_ie6) {
		$("body","html").css({height: "auto", width: "auto"});
		$("html").css("overflow","");
	}
	document.onkeydown = null;
	document.onkeyup = null;
	$("body > *").not("#TB_window", "#TB_window > *").removeClass("tb_invisible");
	return false;
}

function tb_position() {
	$("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
	$("#TB_closeWindowButton").click(tb_remove);
	$("#TB_Image").click(tb_remove);
	$("#TB_load").remove();
	$("#TB_window").css({visibility:"visible"});
	// pour l'impression
	$("body > *").not("#TB_window", "#TB_window > *").addClass("tb_invisible");
}

function tb_parseQuery(query) {
	var Params = {};
	if (!query) {return Params;}// return empty object
	var Pairs = query.split(/[;&]/);
	for (var i = 0; i < Pairs.length; i++) {
		var KeyVal = Pairs[i].split('=');
		if (!KeyVal || KeyVal.length != 2 ) {continue;}
		var key = unescape(KeyVal[0]);
		var val = unescape(KeyVal[1]);
		val = val.replace(/\+/g, ' ');
		Params[key] = val;
	}
	return Params;
}

function tb_detectMacXFF() {
  var userAgent = navigator.userAgent.toLowerCase();
  return (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1);
}

// si pas de title, on cherche celui éventuel d'une image incluse dans le lien
function tb_titleimage(obj) {
	return $(obj).find("img").attr("title") || null;
}

// pour Spip ;
// image de portfolio : le descriptif est dans un span inclus dans le lien
// image incluse : le descriptif est dans un dd inclus dans un dl qui contient le lien
function tb_descriptif(obj) {
	var descriptif = $(obj).find("span").text() || null;
	if (!descriptif) {
		var balise = $(obj).parent().get(0);
		if (balise.tagName == 'DT') {
			balise = $(balise).parent().get(0);
			descriptif = $(balise).find("dd").text() || null;
		}
	}
	return descriptif;
}