/*************************************************************************
								PODCAST
*************************************************************************/
function AbonnementPodcast()
{
	var AbonnementPodcastRequest = null;

	// Définition du connecteur en fonction du navigateur :
	if(window.XMLHttpRequest)
	 {///////////////////////////////////// Firefox et autres
          AbonnementPodcastRequest = new XMLHttpRequest();
     }else if(window.ActiveXObject){
	  /////////////////////////////////// Internet Explorer
          AbonnementPodcastRequest = new ActiveXObject("Microsoft.XMLHTTP");
	 }else{
	 /////////////////////////////////// XMLHttpRequest non supporté par le navigateur
     	  return(false)
	 }

	EmailPodcast = document.getElementById('EmailPodcast').value;
	var data = "Email="+escape(EmailPodcast);

	AbonnementPodcastRequest.onreadystatechange = function()
	{
		if( AbonnementPodcastRequest.readyState == 4 )
		{
			// Ici le code 200 signifie que la requête a renvoyé une valeur valide. On pourrait aussi gérer les erreurs 500, 404 ...
			if( AbonnementPodcastRequest.status == 200 )
			{
				//Mise a jour
				document.getElementById("MessageEmailPodcast").innerHTML = AbonnementPodcastRequest.responseText;
			}
		}
	};

	// le secret d'AJAX réside également dans l'envoi de la requête en background ( sans recharger la page ) :
	AbonnementPodcastRequest.open("POST", "AbonnementPodcast.php", true);
	AbonnementPodcastRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	AbonnementPodcastRequest.send(data);
}

/*************************************************************************
								GOOGLE MAP
*************************************************************************/
var map;
var centerLatitude = 47.294134;
var centerLongitude = 2.922363;
var startZoom = 5;

//fonction permettant la création des markers
function CreatePoint(PointData) {

	var IconStandard = new GIcon();
	IconStandard.image = "VirgulePub/GoogleEarth/defaut.png";
	IconStandard.iconSize = new GSize(26, 22);
	IconStandard.shadowSize = new GSize(37, 34);
	IconStandard.iconAnchor = new GPoint(6, 20);
	IconStandard.infoWindowAnchor = new GPoint(15, 1);

	var IconSurvol = new GIcon();
	IconSurvol.image = PointData.IconPicture;
	IconSurvol.iconSize = new GSize(50, 37);
	IconSurvol.shadowSize = new GSize(37, 34);
	IconSurvol.iconAnchor = new GPoint(6, 20);
	IconSurvol.infoWindowAnchor = new GPoint(15, 1);

	var point = new GLatLng(PointData.Latitude, PointData.Longitude);
	var marker = new GMarker(point,{title: PointData.Nom, icon:IconStandard});
	var markerSurvol = new GMarker(point,{title: PointData.Nom, icon:IconSurvol});

	var tab1 = new GInfoWindowTab(PointData.TitreInfo, '<div>'+PointData.Description+'</div>');
	var tab2 = new GInfoWindowTab(PointData.TitreLocation, '<div id="detailmap" style="width:340px; height:110px"></div>');
	var infoTabs = [tab1,tab2];

	GEvent.addListener(markerSurvol, 'click', function()
	{
		markerSurvol.openInfoWindowTabsHtml(infoTabs);
		var dMapDiv = document.getElementById("detailmap");
		var detailmap = new GMap2(dMapDiv);
		detailmap.setCenter(point , 16);
        detailmap.addControl(new GSmallMapControl());
        detailmap.setMapType(G_SATELLITE_MAP);
	});

	GEvent.addListener(markerSurvol ,'mouseover',function(){markerSurvol.show();marker.hide(); });
	GEvent.addListener(markerSurvol ,'mouseout',function(){markerSurvol.hide();marker.show(); });
	GEvent.addListener(marker ,'mouseover',function(){marker.hide();markerSurvol.show(); });
	GEvent.addListener(marker ,'mouseout',function(){marker.show();markerSurvol.hide(); });

	map.addOverlay(marker);
	marker.show();

	map.addOverlay(markerSurvol);
	markerSurvol.hide();
}

//Fonctions permettant de gerer la progress bar
function MLoader(map, statusElement, textElement, barElement, fillElement, cancelButton)
{
    this.map = map;
    this.statusElement = statusElement;
    this.bar = barElement;
    this.fill = fillElement;
    this.textElement = textElement;
    this.cancelButton = cancelButton;
}

MLoader.prototype.map = null;
MLoader.prototype.statusElement = null;
MLoader.prototype.textElement = null;
MLoader.prototype.cancelButton = null;
MLoader.prototype.bar = null;
MLoader.prototype.fill = null;
MLoader.prototype.counter = 0;

MLoader.prototype.show = function (text, allowCancel)
{
    this.map.disableDragging();
    this.statusElement.style.display = "";
    this.statusElement.style.left = 220 + "px"; //(document.body.clientWidth - 160)/2 + "px";
    this.statusElement.style.top = 220 + "px"; //ajouté par riad
    this.textElement.innerHTML = text;
    this.counter++;
}

MLoader.prototype.hide = function (force)
{
    if (force)
        this.counter = 0;
    else if (this.counter > 0)
        this.counter--;

    if (this.counter == 0)
    {
        this.fill.style.width = "1px";
        this.statusElement.style.display = "none";
        this.map.enableDragging();
    }
}

MLoader.prototype.queue = null;

MLoader.prototype.add = function (obj)
{
    if (!this.queue)
        this.queue = new Array();

    this.queue[this.queue.length] = obj;
}

MLoader.prototype.queueCounter = 0;

MLoader.prototype.execute = function ()
{
    if ((this.queueCounter > 0) && (this.queue))
    {
        this.fill.style.width = (100 * this.queueCounter / this.queue.length) + "%";
    }
    else
        this.fill.style.width = "1px";

    var stopAt = this.queueCounter + 10;
    while ((this.queue) && (this.queueCounter < this.queue.length) && (this.queueCounter < stopAt))
    {
        CreatePoint(this.queue[this.queueCounter]);
        this.queue[this.queueCounter++] = null;
    }

    if ((this.queue) && (this.queueCounter < this.queue.length))
    {
         setTimeout(this.execute.closure(this), 50);
    }
    else
    {
        for (var i = 0; (this.queue) && (i < this.queue.length); i++)
            this.queue[i] = null;
        this.queue = null;
        this.queueCounter = 0;
        this.hide(true);
    }
}

// Executes once and removes all references
function _MOneTimeClosure (h, f, a){
        return (function() {
            h.f = f;
            h.f(a);
            a = null;
            h.f = null;
            h = null;
        })
    }

//Fin des fonctions spécifiques à la progress bar de la google map

//Creation de la map (+controles)
function initData()
{
	map = new google.maps.Map2(document.getElementById("map"));
    map.setCenter(new GLatLng(centerLatitude, centerLongitude), startZoom);
    map.addControl(new GSmallMapControl());
   	map.addControl(new GMapTypeControl());
	map.addMapType(G_PHYSICAL_MAP);
	map.addMapType(G_SATELLITE_MAP);
	map.setMapType(G_PHYSICAL_MAP);
	map.enableContinuousZoom();

	var OptionsStyleRectangle = {opacity: .5, border: "1px solid blue"}

	var OptionsBouton = {
		buttonHTML: "<img src='images/commun/divers/zoom-button.gif' />",
		buttonZoomingHTML: "<img src='images/commun/divers/zoom-button-activated.gif' />",
		buttonStartingStyle: {width: '24px', height: '24px'}
	};

	map.addControl(new DragZoomControl(OptionsStyleRectangle, OptionsBouton),new GControlPosition(G_ANCHOR_TOP_LEFT,new GSize(15,120)));

	var loader = new MLoader(map, document.getElementById("loading"), document.getElementById("loadingText"), document.getElementById("bar"), document.getElementById("fill"), document.getElementById("loadingButton"));
	loader.show(document.getElementById("loadingText").innerHTML, true);

	for(id in markers)
	{
		if(id >=0)
		{
			loader.add(markers[id]);
		}
	}
	loader.execute();
}

//Initialisation de la googlemap via ajax (markers)
function InitGoogleMap()
{
		var GoogleMapHomepageRequest = null;
		if(window.XMLHttpRequest){GoogleMapHomepageRequest = new XMLHttpRequest();}
		else if(window.ActiveXObject){GoogleMapHomepageRequest = new ActiveXObject("Microsoft.XMLHTTP");}
		else{return(false)}

		var data = "" ;
		GoogleMapHomepageRequest.onreadystatechange = function()
		{
			if( GoogleMapHomepageRequest.readyState == 4 )
			{
				if( GoogleMapHomepageRequest.status == 200 )
				{
					//var GoogleMapHomepageResponse = GoogleMapHomepageRequest.responseText;
					//markers = eval(GoogleMapHomepageResponse);
					markers = eval(GoogleMapHomepageRequest.responseText);
					initData();
				}
			}
		}
		GoogleMapHomepageRequest.open("POST", "GoogleMapHomepage.php", true);
		GoogleMapHomepageRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		GoogleMapHomepageRequest.send(data);

		document.getElementById("map").style.background = 'url(images/commun/divers/loader.gif)';
		document.getElementById("map").onclick = '';
}


/*************************************************************************
								MENU LATERAL
*************************************************************************/
/**
 *	ImageFlow 0.7
 *
 *	This code is based on Michael L. Perrys Cover flow in Javascript.
 *	For he wrote that "You can take this code and use it as your own" [1]
 *	this is my attempt to improve some things. Feel free to use it! If
 *	you have any questions on it leave me a message in my shoutbox [2].
 *
 *	The reflection is generated server-sided by a slightly hacked
 *	version of Richard Daveys easyreflections [3] written in PHP.
 *
 *	The mouse wheel support is an implementation of Adomas Paltanavicius
 *	JavaScript mouse wheel code [4].
 *
 *
 *	[1] http://www.adventuresinsoftware.com/blog/?p=104#comment-1981
 *	[2] http://shoutbox.finnrudolph.de/
 *	[3] http://reflection.corephp.co.uk/v2.php
 *	[4] http://adomas.org/javascript-mouse-wheel/
 */


/* Configuration variables */
var conf_reflection_p = 0.6;		// Sets the height of the reflection in % of the source image
var conf_focus = 7;					// Sets the numbers of images on each side of the focussed one
var conf_slider_width = 10;			// Sets the px width of the slider div
var conf_images_cursor = "pointer";	// Sets the cursor type for all images default is "default"
var conf_slider_cursor = "default";	// Sets the slider cursor type: try "e-resize" default is "default"

/* Id names used in the HTML */
var conf_imageflow = "MenuLateralImageFlow";	// Default is "imageflow"
var conf_loading = "MenuLateralLoading";		// Default is "loading"
var conf_images = "MenuLateralImages";			// Default is "images"
var conf_captions = "MenuLateralCaptions";		// Default is "captions"
var conf_scrollbar = "MenuLateralScrollbar";	// Default is "scrollbar"
var conf_slider = "MenuLateralSlider";			// Default is "slider"

/* Define global variables */
var xstep = 140;
var caption_id = 0;
var new_caption_id = 0;
var current = 0;
var target = 0;
var mem_target = 0;
var timer = 0;
var array_images = new Array();
var new_slider_pos = 0;
var dragging = false;
var dragobject = null;
var dragx = 0;
var posx = 0;
var new_posx = 0;


function step()
{
	switch (target < current-1 || target > current+1)
	{
		case true:
			moveTo(current + (target-current)/3);
			window.setTimeout(step, 50);
			timer = 1;
			break;

		default:
			timer = 0;
			break;
	}
}

function glideTo(x, new_caption_id)
{
	/* Animate gliding to new x position */
	target = x;
	mem_target = x;
	if (timer == 0)
	{
		window.setTimeout(step, 50);
		timer = 1;
	}

	/* Display new caption */
	caption_id = new_caption_id;
	caption = img_div.childNodes.item(array_images[caption_id]).getAttribute('title');
	lien = img_div.childNodes.item(array_images[caption_id]).getAttribute('alt'); //Ajouté par riad pour gerer les liens vers les fiches circuits
	if (caption == "") caption = "&nbsp;";
	caption_div.innerHTML = '<a href='+lien+'>'+caption+'</a>';

	/* Set scrollbar slider to new position */
	if (dragging == false)
	{
		new_slider_pos = (scrollbar_width * (-(x*100/((max-1)*xstep))) / 100) - new_posx;
		slider_div.style.marginLeft = (new_slider_pos - conf_slider_width) + "px";
	}
}

function moveTo(x)
{
	current = x;
	var zIndex = max;

	/* Main loop */
	for (var index = 0; index < max; index++)
	{
		var image = img_div.childNodes.item(array_images[index]);
		var current_image = index * -xstep;

		/* Don't display images that are not conf_focussed */
		if ((current_image+max_conf_focus) < mem_target || (current_image-max_conf_focus) > mem_target)
		{
			image.style.visibility = "hidden";
			image.style.display = "none";
		}
		else
		{
			var z = Math.sqrt(10000 + x * x) + 700; //+100
			var xs = x / z * size + size;

			/* Still hide images until they are processed, but set display style to block */
			image.style.display = "block";

			/* Get current image properties */
			var img_h = image.height;
			var img_w = image.width;

			/* Check source image format. Get image height minus reflection height! */
			switch ((img_w + 1) > (img_h / (conf_reflection_p + 1)))
			{
				/* Landscape format */
				case true:
					var img_percent = 118;
					break;

				/* Portrait and square format */
				default:
					var img_percent = 100;
					break;
			}

			/* Process new image height and top spacing */
			var new_img_h = (img_h / img_w * img_percent) / z * size;
			//var new_img_top = (images_width * 0.34 - new_img_h) + images_top + ((new_img_h / (conf_reflection_p + 1)) * conf_reflection_p);
			var new_img_top = (images_width * 0.09 - new_img_h) +  ((new_img_h / (conf_reflection_p + 1)) * conf_reflection_p);
			/* Set new image properties */
			image.style.left = xs - (img_percent / 2) / z * size + images_left + "px";
			image.style.height = new_img_h + "px";
			image.style.width = "";
			image.style.top = new_img_top + "px";
		 	image.style.visibility = "visible";

			/* Set image layer through zIndex */
			switch ( x < 0)
			{
				case true:
					zIndex++;
					break;

				default:
					zIndex = zIndex -1;
					break;
			}

			/* Make sure, that the conf_focussed image is always on top */
			if((current_image-100 < mem_target) && (current_image+100 > mem_target)){
				zIndex = zIndex +1;
			}
			image.style.zIndex = zIndex;
		}
		x += xstep;
	}
}

/* Main function */
function refresh()
{
	/* Cache document objects in global variables */
	imageflow_div = document.getElementById(conf_imageflow);
	img_div = document.getElementById(conf_images);
	scrollbar_div = document.getElementById(conf_scrollbar);
	slider_div = document.getElementById(conf_slider);
	caption_div = document.getElementById(conf_captions);

	/* Cache global variables, that only change on refresh */
	images_width = img_div.offsetWidth;
	//images_top = imageflow_div.offsetTop;
	images_top  = 5;
	//images_left = imageflow_div.offsetLeft;
	images_left= -300;
	max_conf_focus = conf_focus * xstep;
	//size = images_width * 0.5;
	size = images_width * 0.8;
	//scrollbar_width = images_width ;
	scrollbar_width = images_width * 0.9;
	//conf_slider_width = conf_slider_width * 0.5;
	conf_slider_width = conf_slider_width ;

	/* Change imageflow div properties */
	//mageflow_div.style.height = images_width * 0.51 + "px";
	imageflow_div.style.height = images_width * 0.16 + "px";

	/* Change images div properties */
	//img_div.style.height = images_width * 0.338 + "px";
	img_div.style.height = images_width * 0.11 + "px";

	/* Change captions div properties */
	caption_div.style.width = images_width + "px";
	//caption_div.style.marginTop = images_width * 0.03 + "px";
	caption_div.style.marginTop = 5 + "px";

	/* Change scrollbar div properties */
	//scrollbar_div.style.marginTop = images_width * 0.02 + "px";
	scrollbar_div.style.marginTop = 15 + "px";
	//scrollbar_div.style.marginLeft = images_width * 0.2 + "px";
	scrollbar_div.style.marginLeft = 50 + "px";
	scrollbar_div.style.width = scrollbar_width + "px";

	/* Set slider attributes */
	slider_div.onmousedown = function () { dragstart(this); };
	slider_div.style.cursor = conf_slider_cursor;

	/* Cache correct node type indices in an array */
	max = img_div.childNodes.length;
	var i = 0;
	for (var index = 0; index < max; index++)
	{
		var image = img_div.childNodes.item(index);
		if (image.nodeType == 1)
		{
			array_images[i] = index;

			/* Set correct image onclick by adding i and x_pos as attributes! */
			image.onclick = function() { glideTo(this.x_pos, this.i); }
			image.x_pos = (-i * xstep);
			image.i = i;

			/* Set image cursor type */
			image.style.cursor = conf_images_cursor;

			i++;
		}
	}
	max = array_images.length;
	/* Display images in current order */
	moveTo(current);
	glideTo(current, caption_id);
}

/* Show/hide element functions */
function show(id) {
	var element = document.getElementById(id);
	element.style.visibility = "visible";
}
function hide(id) {
	var element = document.getElementById(id);
	element.style.visibility = "hidden";
	element.style.display = "none";
}

/* Refresh ImageFlow on window resize */
window.onresize = refresh;

/* Handle the wheel angle change (delta) of the mouse wheel */
function handle(delta)
{
	var change = false;
	switch (delta > 0)
	{
		case true:
			if(caption_id >= 1)
			{
				target = target + xstep;
				new_caption_id = caption_id - 1;
				change = true;
			}
			break;

		default:
			if(caption_id < (max-1))
			{
				target = target - xstep;
				new_caption_id = caption_id + 1;
				change = true;
			}
			break;
	}

	/* Glide to next (mouse wheel down) / previous (mouse wheel up) image */
	if (change == true)
	{
		glideTo(target, new_caption_id);
	}
}

/* Event handler for mouse wheel event */
function wheel(event)
{
	var delta = 0;
	if (!event) event = window.event;
	if (event.wheelDelta)
	{
		delta = event.wheelDelta/120;
	}
	else if (event.detail)
	{
		delta = -event.detail/3;
	}
	if (delta) handle(delta);
	if (event.preventDefault) event.preventDefault();
	event.returnValue = false;
}

/* Initialize mouse wheel event listener */
function initMouseWheel()
{
	if(window.addEventListener) imageflow_div.addEventListener('DOMMouseScroll', wheel, false);
	imageflow_div.onmousewheel = wheel;

}

/* This function is called to drag an object (= slider div) */
function dragstart(element)
{
	dragobject = element;
	dragx = posx - dragobject.offsetLeft + new_slider_pos;
}

/* This function is called to stop dragging an object */
function dragstop()
{
	dragobject = null;
	dragging = false;
}

/* This function is called on mouse movement and moves an object (= slider div) on user action */
function drag(e)
{
	posx = document.all ? window.event.clientX : e.pageX;
	if(dragobject != null)
	{
		dragging = true;
		new_posx = (posx - dragx) + conf_slider_width;

		/* Make sure, that the slider is moved in proper relation to previous movements by the glideTo function */
		if(new_posx < ( - new_slider_pos)) new_posx = - new_slider_pos;
		if(new_posx > (scrollbar_width - new_slider_pos)) new_posx = scrollbar_width - new_slider_pos;

		var slider_pos = (new_posx + new_slider_pos);
		var step_width = slider_pos / ((scrollbar_width) / (max-1));
		var image_number = Math.round(step_width);
		var new_target = (image_number) * -xstep;
		var new_caption_id = image_number;

		dragobject.style.left = new_posx + "px";
		glideTo(new_target, new_caption_id);
	}
}

/* Initialize mouse event listener */
function initMouseDrag()
{
	document.onmousemove = drag;
	document.onmouseup = dragstop;
	var riad = -7 * xstep;
	glideTo(riad, 7);
}

function getKeyCode(event) {
   event = event || window.event;
   return event.keyCode;
}

document.onkeydown = function(event) {
	var charCode  = getKeyCode(event);
	switch (charCode)
	{
		/* Right arrow key */
		case 39:
			handle(-1);
			break;

		/* Left arrow key */
		case 37:
			handle(1);
			break;
	}
}

/*************************************************************************
								WINDOW ONLOAD
*************************************************************************/
/* Hide loading bar, show content and initialize mouse event listening after loading */
window.onload = function() {
	//Pour la google map
	//InitGoogleMap();
	//Pour le menu lateral
	hide(conf_loading);
	refresh();
	show(conf_images);
	show(conf_scrollbar);
	initMouseWheel();
	initMouseDrag();
}