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/*---------------------------------------------------------------------------
		File name ............ content/js/module.inc.js
		Project .............. Gestion
		Author ............... Antoine Lemoine
		Creation date ........ 18.01.2008
		Modification date .... 22.05.2008
---------------------------------------------------------------------------*/


var ModuleHelper = function ()
{
	this.images_cache = new Array();

	this.submitForm = function (form_id)
	{
		$('#'+form_id).submit();
	}

	this.confirm = function (owner, message)
	{
		app.confirm(message,null,
			new DialogButton(
				'Oui',
				function ()
				{
					location = $(owner).attr('href')+'&confirm=true';
				},
				'ok-button'
			)
		);
	}
	
	this.getImage = function (path)
	{
		if (this.images_cache[path]==undefined)
		{
			this.images_cache[path] = new Image();
			this.images_cache[path].src = path;
		}
		return this.images_cache[path];
	}

	this.showImagePreview = function (index, path)
	{
		var jimage_selection = $('#image_selection_'+index);
		var jimage_preview = $('#image_preview_'+index);
		var jimage_preview_loading = $('#image_preview_loading_'+index);
		var value = jimage_selection.val();
			
		if (jimage_selection[0].selectedIndex==-1 || jimage_selection.val()=='')
		{
			jimage_preview.hide();
			jimage_preview_loading.hide();
		}
		else
		{
			jimage_preview.hide();
			jimage_preview_loading.show();
	
			var src = path+'/'+value;
			var img = this.getImage(src);
			jimage_preview.attr('src',src);
	
			if (!img.complete)
			{
				var _self = this;
				setTimeout(function () { _self.showImagePreview(index,path); },20);
				return;
			}
	
			var ih = img.naturalHeight ? img.naturalHeight : img.height;
			var iw = img.naturalWidth ? img.naturalWidth : img.width;
	
			var mh = 200, mw = 300;
			var h = ih, w = iw;
	
			if (ih>mh && ih/mh>=iw/mw)
			{
				h = mh;
				w = (iw*h)/ih;
			}
			else if (iw>mw && ih/mh<iw/mw)
			{
				w = mw;
				h = (ih*w)/iw;
			}
			
			jimage_preview.width(w).height(h);
			jimage_preview.css({'margin-left':parseInt((mw-w)/2)+'px','margin-top':parseInt((mh-h)/2)+'px'});
	
			jimage_preview_loading.hide();
			jimage_preview.show();
		}
	}
	
	this.addImg = function (index)
	{
		var jselect = $('#allowed-img-'+index);
		var jselected_img = $('#selected-img-'+index);
		var jtextarea = $('#hidden-img-list-'+index);

		if (jselect[0].selectedIndex!=-1)
		{
			var image = jselect.val();
			var exist = false;
			for (i=0; i<jselected_img[0].length; i++)
			{
				if (jselected_img[0].options[i].text==image) { exist = true; }
			}
			if (!exist)
			{
				jtextarea.val(jtextarea.val()+image+"\n");
				var myOption = new Option(image);
				jselected_img[0].options[jselected_img[0].length] = myOption;
			}
			else { app.alert("L'image est d&eacute;j&agrave; dans la liste."); }
		}
		else { app.alert("Vous devez s&eacute;lectionner une image &agrave; ajouter."); }
	}

	this.delImg = function (index)
	{
		var jselect = $('#allowed-img-'+index);
		var jselected_img = $('#selected-img-'+index);
		var jtextarea = $('#hidden-img-list-'+index);

		if (jselected_img[0].selectedIndex!=-1)
		{
			var image = jselect.val();
			jselected_img[0].options[jselected_img[0].selectedIndex] = null;
			var value = '';
			for (i=0; i<jselected_img[0].length; i++)
			{
				value += jselected_img[0].options[i].text + "\n";
			}
			jtextarea.val(value);
		}
		else { app.alert("Vous devez s&eacute;lectionner une image &agrave; supprimer."); }
	}

	this.changeButtonValue = function (id, value)
	{
		$('#'+id).val(value);
	}

	this.changeColor = function changeColor(id, increment)
	{
		var jinput = $('#'+id);

		var value = jinput.val();
		if (value.length>=6)
		{
			jinput.val(value.substr(0,6));
			value = jinput.val();

			if (!value.match(/[0-9A-F]+/)) { jinput.val('000000'); }
	
			var r = parseInt(value.substr(0,2),16);
			var g = parseInt(value.substr(2,2),16);
			var b = parseInt(value.substr(4,2),16);
			var r2 = r;
			var g2 = g;
			var b2 = b;
	
			if (Math.abs(increment)>=parseInt('FFFF',16))
			{
				r2 += increment/parseInt('FFFF',16);
				if (r2<=parseInt('FF',16) && r2>=0) { r = r2; }
			}
			else if (Math.abs(increment)>=parseInt('FF',16))
			{
				g2 += increment/parseInt('FF',16);
				if (g2<=parseInt('FF',16) && g2>=0) { g = g2; }
			}
			else
			{
				b2 += increment;
				if (b2<=parseInt('FF',16) && b2>=0) { b = b2; }
			}
	
			var r_string = r.toString(16).toUpperCase();
			while (r_string.length<2)
			{
				r_string = '0' + r_string;
			}
	
			var g_string = g.toString(16).toUpperCase();
			while (g_string.length<2)
			{
				g_string = '0' + g_string;
			}
	
			var b_string = b.toString(16).toUpperCase();
			while (b_string.length<2)
			{
				b_string = '0' + b_string;
			}
			value = r_string + g_string + b_string;
			jinput.val(value);
	
			jinput.css({'background-color':'#'+value,'color':(r<parseInt('7F',16) && g<parseInt('7F',16) && b<parseInt('7F',16) ? '#FFF' : '#000')});
		}
		else
		{
			jinput.css({'background-color':'#FFF','color':'#000'});
		}
	}

	this.gotoSelectedValue = function (select)
	{
		var url = $(select).val();
		if (url!='') { document.location = url; }
	}

}

var module = new ModuleHelper();