/****************
* script MICRO-CAL (V4.2) par Amroune Selim (amrounix@gmail.com)
*toutes copies, diffusions,modifications ou améliorations sont autorisées
****************/

var pDefaut = { /*variable globale*/
"mois" : new Array("Janvier","Février","Mars","Avril","Mai","Juin","Juillet","Aout","Septembre","Octobre","Novembre","Décembre"),
"jour" : new Array("Di","Lu","Ma","Me","Je","Ve","Sa"),
"jLib" : new Array("Dimanche","Lundi","Mardi","Mercredi","Jeudi","Vendredi","Samedi"),
"titre" : "Date de la performance",
"aujourdhui" : "aujourd'hui",
"debutSemaine" : 1, /*debut de la semaine 0=dim,1=lun,...*/
"jPause" : {6:true,0:true},/*jour de pause de la semaine (samedi & dimanche)*/
"jFeriee": {"1-1":"jour an","1-5":"fête du travail","8-5":"armistice","14-7":"fête nationale","15-8":"ascencion","1-11":"armistice","11-11":"toussain","25-12":"noel"} ,
"moisMoins" : "-", "moisPlus" : "+", /*naviagation par mois*/ 
"anneeMoins" : "<", "anneePlus" : ">", /*naviagation par annee*/
"format" : "%j/%m/%a", /*format de sortie : %j = jour, %m = mois, %a =année*/ 
"date" : null, "ddeb" : "", "dfin" : "",
"dateMin" : null, "dateMax" : null
}

var tempo = new Array(); /*gestion de la fermeture des calendriers quand on perd le focus*/
var nomove={"TR":0,"CENTER":0,"B":0,"P":0,"U":0,"I":0,"DIV":0,"A":0,"FONT":0,"LI":0,"PRE":0,"SPAN":0,"SUB":0,"SUP":0,"FORM":0};
//var nomove={"TD":0,"TABLE":0};

function _(x) /*simplification des appels*/
	{return document.getElementById(x);}

function nbJ(dateX) /*Retourne le nombre de jour depuis le 1er janvier (pr le num de semaine)*/
{
var j_mois=[0,31,59,90,120,151,181,212,243,273,304,334];
mm=dateX.getMonth();aa=dateX.getFullYear();nb=j_mois[mm]+dateX.getDate()-1 ;
if ((aa%4==0 && aa %100!=0 || aa%400==0) && mm>1) nb++; /*test bissextile*/
return nb;
}

function dateMin(dateA,dateB)
{
return (dateB==null||(dateA!=null&&(dateA.getFullYear()<dateB.getFullYear()
					  ||(dateA.getFullYear()==dateB.getFullYear()&&dateA.getMonth()<dateB.getMonth())
					  ||(dateA.getFullYear()==dateB.getFullYear()&&dateA.getMonth()==dateB.getMonth()&&dateA.getDate()<dateB.getDate())
					  ))) ? dateA:dateB
}

function dateMax(dateA,dateB)
{
return (dateB==null||(dateA!=null&&(dateA.getFullYear()>dateB.getFullYear()
					  ||(dateA.getFullYear()==dateB.getFullYear()&&dateA.getMonth()>dateB.getMonth())
					  ||(dateA.getFullYear()==dateB.getFullYear()&&dateA.getMonth()==dateB.getMonth()&&dateA.getDate()>dateB.getDate())
					  ))) ? dateA:dateB
}

function dateBefore(dateA,dateB) /*compare 2 date et retourne true si dateA<=dateB*/
{
return dateA!=null&&dateB!=null&&(dateA.getFullYear()<dateB.getFullYear()||(dateA.getFullYear()==dateB.getFullYear()&&dateA.getMonth()<dateB.getMonth())||
(dateA.getFullYear()==dateB.getFullYear()&&dateA.getMonth()==dateB.getMonth()&&dateA.getDate()<dateB.getDate()));
}

function htmNavChk(dateA,dateB,src,srcId,mm,yy,txt) /*methode pour afficher les infos de navigation*/
{
return (dateBefore(dateA,dateB)) ? 
		"<td onclick=\"\">&nbsp;</td>"
		: ("<td class='zoneNav' onclick=\"return gCal('"+src+"','"+srcId+"',"+mm+","+yy+")\">"+txt+"</td>");
}

function gCal(src,srcId,mm,yy) /*génère le calendrier*/
{
if (tempo!=null&&tempo[srcId]!=null)
{
	clearTimeout(tempo[srcId]);
	_(src).focus();
}

if (mm<0) {mm+=12;yy--;} /*changment de mois/année*/
	else if (mm>11) {mm-=12;yy++;}
	
dnow=new Date(); /*date du jour*/
param=_(srcId).parametre; /*parametre par defaut*/
ddeb = null; dfin = null;

if (param["ddeb"]!="" && _(param["ddeb"]+"_cal")!=null && _(param["ddeb"]+"_cal").parametre.date != null)
	ddeb = _(param["ddeb"]+"_cal").parametre.date;
if (param["dfin"]!="" && _(param["dfin"]+"_cal")!=null && _(param["dfin"]+"_cal").parametre.date != null)
	dfin = _(param["dfin"]+"_cal").parametre.date;

htm="<table cellpadding=0 cellspacing=0 >";
/*titre*/
if (param["titre"]!= null )
{htm+="<tr><td colspan='8' class='zoneTitre' >"+param["titre"]+"</td></tr>";}
/*zone de navigation*/
htm+="<tr><td colspan='8'><table width='100%' cellpadding=0 cellspacing=0 ><tr>";
htm+=htmNavChk(new Date(yy-1,mm,1),dateMax(ddeb,param["dateMin"]),src,srcId,mm,yy-1,param["anneeMoins"]);
htm+=htmNavChk(new Date(yy,mm,0),dateMax(ddeb,param["dateMin"]),src,srcId,mm-1,yy,param["moisMoins"]);
htm+="<td class='zoneMois'>"+param["mois"][mm]+"</td>";
htm+=htmNavChk(dateMin(dfin,param["dateMax"]),new Date(yy,mm+1,1),src,srcId,mm+1,yy,param["moisPlus"]);
htm+=htmNavChk(dateMin(dfin,param["dateMax"]),new Date(yy+1,mm,1),src,srcId,mm,yy+1,param["anneePlus"]);
htm+="</tr></table></td></tr>";
/*jours de la semaine*/
htm+="<tr><td></td>";
pJs = param["debutSemaine"];
pJm = new Date(yy,mm,1).getDay(); /*jour du 1ere du mois*/
pjT = 1-pJm+pJs;
pjT-=(pjT>1)?7:0;
dateX = new Date(yy,mm,pjT);
for (j=0;j<7;j++) /*affiche les jours de la semaine*/
	{htm+="<td>"+param["jour"][(j+pJs)%7]+"</td>";}
htm+="</tr>";
avantFinMois=true;idx=0;
idxSem=parseInt(nbJ(new Date(yy,mm,1))/7+1,10); /*index de la semaine*/

while(avantFinMois) /*boucle jusqu'a la fin du mois */
{
	htm+=(idx%7==0)?"<tr><td class='nSemaine' >"+idxSem+"</td>":""; /*affiche le numero de semaine*/
	if (dateBefore(dateX,dateMax(ddeb,param["dateMin"]))||dateBefore(dateMin(dfin,param["dateMax"]),dateX))
		htm+="<td style='text-decoration:line-through;'><a class='tdx' href='#'>"+subDiv(param,idx,dateX,mm,aa,0)+"</b></td>";
	else
		htm+="<td><a class='tdx' href='#' onclick=\"javascript:choix("+dateX.getFullYear()+","+dateX.getMonth()+","+dateX.getDate()+",'"+srcId+"','"+src+"')\" >"+subDiv(param,idx,dateX,mm,aa,0)+"</a></td>";
	idx++;
	if (idx%7==0)
		{htm+="</tr>"; idxSem++;}
	dateX= new Date(dateX.getFullYear(),dateX.getMonth(),dateX.getDate()+1);
	if (idx>7&&idx%7==0&&dateX.getMonth()!=mm)
	{avantFinMois=false;}
}
htm+="<tr><td colspan='6'>&nbsp;&nbsp;";
if (!dateBefore(dnow,dateMax(ddeb,param["dateMin"]))&&!dateBefore(dateMin(dfin,param["dateMax"]),dnow))
	htm+="<a class='tdxNow' href='#' onclick=\"javascript:choix("+dnow.getFullYear()+","+dnow.getMonth()+","+dnow.getDate()+",'"+srcId+"','"+src+"')\" >"+param["aujourdhui"]+"</a>";
	else htm+="&nbsp;"
/*annee*/
htm+="</td><td colspan='2' class='zoneAnnee'>"+yy+"</td></tr></table>";
//alert(htm);
_(srcId).innerHTML=htm;
return false;
}

function addZero(val)  /*ajoute un zero devant*/
	{ return ((val<10)?"0":"")+val;}

function choix(aa,mm,jj,srcId,src)
{
var datePos=new Date(aa,mm,jj);
var jour = datePos.getDay();
param=_(srcId).parametre;
param.date = datePos;
var dateAffiche = param["format"].replace("%j",addZero(datePos.getDate())).replace("%k",datePos.getDate()).replace("%d",param["jLib"][jour]);
dateAffiche = dateAffiche.replace("%m",addZero(datePos.getMonth()+1)).replace("%n",datePos.getMonth()+1).replace("%p",param["mois"][datePos.getMonth()]);
dateAffiche = dateAffiche.replace("%a",datePos.getFullYear()).replace("%y",datePos.getYear());
_(src).value = dateAffiche;
}

function subDiv(param,idx,dateX,mm,aa,code)
{
pJs = param["debutSemaine"];
dnow=new Date();
switch(code)
{
case 0 : return (param["jPause"][(idx+pJs)%7]==true) ? "<div class='enWeekEnd' >"+subDiv(param,idx,dateX,mm,aa,1)+"</div>" : subDiv(param,idx,dateX,mm,aa,1) ; break;
case 1 : return (param["jFeriee"][dateX.getDate()+"-"+(dateX.getMonth()+1)]!=null) ? ("<div class=\"enFeriee\" title=\""+param["jFeriee"][dateX.getDate()+"-"+(dateX.getMonth()+1)]+"\" >"+subDiv(param,idx,dateX,mm,aa,2)+"</div>") : subDiv(param,idx,dateX,mm,aa,2) ; break;
case 2 : return (dateX.getMonth()==mm) ? "<div class='enMois' >"+subDiv(param,idx,dateX,mm,aa,3)+"</div>" : subDiv(param,idx,dateX,mm,aa,3) ; break;
case 3 : return (dateX.getMonth()==dnow.getMonth()&&dateX.getFullYear()==dnow.getFullYear()&&dateX.getDate()==dnow.getDate()) ? "<div class='aujourdhui' >"+subDiv(param,idx,dateX,mm,aa,4)+"</div>" : subDiv(param,idx,dateX,mm,aa,4) ; break;
case 4 : return dateX.getDate(); break;
}
}

function getMinx(tab,mini)
{
var rc=mini,code="";
for (k in tab)
{
 if (tab[k]>mini && rc<tab[k]) {rc=tab[k]; code = k; }
}
return code;
}

function decodeDate(val,format,defaut)
{
var dnow = defaut,jj= dnow.getDate(),mm = dnow.getMonth(), aa= dnow.getFullYear();
var parx = {"%j":"([0123][0-9])","%k":"([0123]?[0-9])","%d":"("+(param["jLib"].join("|"))+")","%m":"([01][0-9])","%n":"([01]?[0-9])",
			"%p":"("+(param["mois"].join("|"))+")","%a":"([12][0-9]{3})","%y":"([0-9]{2})"};
var ff= format,df = format;
for (e in parx)
{
	ff = ff.replace(e,parx[e]);
	df = df.replace(e,"("+e+")");
}
tablo = (new RegExp(ff)).exec(val);
clef = (new RegExp(df)).exec(format);
if (tablo!=null&&clef!=null)
{
	for (i = 0; i< tablo.length;i++)
	{
		switch(clef[i])
		{
			case "%j": case "%k" : jj=parseInt(tablo[i],10); break;
			case "%m": case "%n" : mm=parseInt(tablo[i],10)-1; break;
			case "%p" : mm=0; while(mm<param["mois"].length&&param["mois"][mm]!=tablo[i]){mm++;};  break;
			case "%a": aa = parseInt(tablo[i],10); break;
		}
	}
}
return new Date(aa,mm,jj);
}

function visuCal(src,paramX)
{
if (src.id=="") /*si il n'y pas d'ID on en créé un*/
	{
	cpt=0;
	while(_("microcal"+cpt) != null) 
		{cpt++;}
	src.id="microcal"+cpt;
	}
pos_= posxy(src,0,src.offsetHeight );
srcId = src.id+"_cal"; /*id du div du calendrier*/
dnow= new Date();
if (_(srcId)==null) /*si il existe pas on le créé*/
{
	param={}
	for (e in pDefaut) {
		trouve=false;
		if (paramX!=null)
		for (i in paramX) { if (e==i) {param[e]=paramX[e];trouve=true;} }
		if (!trouve) param[e]=pDefaut[e];
		}
	dnow = decodeDate(src.value,param.format,new Date()); 
	div = document.createElement('div');
	div.setAttribute('id',srcId);
	div.style.position = 'absolute';
	div.style.top = pos_.y + 'px';
	div.style.left = pos_.x + 'px'; /*this.deltaG = 0; */
	div.className = 'divCal';
	div.parametre = param;
	document.body.appendChild(div);
	gCal(src.id,srcId,dnow.getMonth(),dnow.getFullYear(),param);
} else
{   div = _(src.id+"_cal");
	div.style.display='inline';/*affiche le calendrier*/
	div.style.top = pos_.y + 'px';
	div.style.left = pos_.x + 'px'; /*this.deltaG = 0; */
}

}

function masqueCal(src)
	{tempo[src.id+"_cal"]=window.setTimeout("_('"+src.id+"_cal').style.display='none'",500);}
	
/*retourne la position en {x,y} d'un element */
function posxy(rst,x,y)
{
if ( rst.style!=null && rst.style.position == 'absolute' )  { return {"x":x + rst.offsetLeft,"y":y + rst.offsetTop} } 
else if (rst.parentNode == null )  { return {"x":x,"y":y} } 
else  { return (nomove[rst.tagName]==0) ? posxy(rst.parentNode,x,y) : posxy(rst.parentNode,x+rst.offsetLeft,y+rst.offsetTop)   ;  }
}