// Startup variables
var theSelection = false;

// Check for Browser & Platform for PC & IE specific bits
// More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var clientVer = parseInt(navigator.appVersion); // Get browser version
var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
 && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
 && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
var is_moz = 0;
var is_win = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac = (clientPC.indexOf("mac")!=-1);

function barre_raccourci(debut,fin) {
	var txtarea = document.getElementById('textarea_1');
	txtarea.focus();
	donotinsert = false;
	theSelection = false;
	bblast = 0;

	if ((clientVer >= 4) && is_ie && is_win){
		theSelection = document.selection.createRange().text; // Get text selection
		if (theSelection) {
		while (theSelection.substring(theSelection.length-1, theSelection.length) == ' '){
				theSelection = theSelection.substring(0, theSelection.length-1);
				fin = fin + " ";
			}
			// Add tags around selection
			document.selection.createRange().text = debut + theSelection + fin;
			txtarea.focus();
			theSelection = '';
			return;
		}
	}
	else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0)){
		mozWrap(txtarea, debut, fin);
		return;
	}
}

function barre_demande(debut,milieu,fin,affich) {
	var txt = document.getElementById('textarea_1');
	var inserer = prompt(affich);
	if (inserer != null) {
		if (inserer == "") {inserer = "xxx"; }
		barre_raccourci(debut+inserer+milieu, fin);
	}
}

function barre_notes(affich) {
	var txt = document.getElementById('textarea_1');
	var inserer = prompt(affich);
	if (inserer != null) {
		var aj = "(["+inserer+":nh])";
		var ajb = "(["+inserer+":nb])";
		mozWrap(txt, '', aj);
		var txt = document.getElementById('textarea_1');
		txt.value = txt.value + "\n"+ajb;
	}
}

function barre_inserer(text) {
	var txtarea = document.getElementById('textarea_1');
	if (txtarea.createTextRange && txtarea.caretPos) {
		var caretPos = txtarea.caretPos;
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? caretPos.text + text + ' ' : caretPos.text + text;
		//txtarea.focus();
	} else {
		//txtarea.value  += text;
		//txtarea.focus();
		mozWrap(txtarea, '', text);
		return;
	}
}

function barre_inserer_photo(text) {
	var txtarea = document.getElementById('textarea_1');
	var tval1 = "Source des images : \n - liste d\'images séparées par une virgule \n - liste d\'images référencées par les uloads sur cet article : laisser le champ vide \n - répertoire utilisateur : taper le chemin";
	var tval2 = "Type de galerie : \n - sur place avec miniature : laisser le champ vide \n - en flash avec miniatures : taper 1 \n - sur Ajax avec fading : taper 2";
	if (txtarea.createTextRange && txtarea.caretPos) {
		var caretPos = txtarea.caretPos;
			var txt1 = prompt(tval1, text);
			var txt2 = prompt(tval2, "");
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? caretPos.text + "["+txt1+":photo"+txt2+"]" + ' ' : caretPos.text + "["+txt1+":photo"+txt2+"]";
			if(txt1!=null && txt2!=null){txtarea.focus();}
	} else {
		//txtarea.value  += text;
		//txtarea.focus();
			var txt1 = prompt(tval1, text);
			var txt2 = prompt(tval2, "");
		if(txt1!=null && txt2!=null){
		mozWrap(txtarea, '', "["+txt1+":photo"+txt2+"]");
		return;
		}
	}
}

function barre_tableau(champ){
	var txtarea = document.getElementById(champ);
	txtarea.focus();
	var cols = prompt("Nombre de colonnes du tableau :", "");
	var rows = prompt("Nombre de lignes du tableau :", "");
	if (cols != null && rows != null) {
		var tbl = '';
		var entete = '';
		var conn = '';
		for (i = 0; i < rows; i++) {
		var ligne = '';
		for(o = 0; o < cols; o++) {
			var val = prompt("valeur" + i + "_" + o + ":", "");
			ligne = ligne + val + '|';}
			tbl = tbl + ligne + '¬' + '\n';}
		if (confirm('Ajouter une ligne d\'en-tête ?')) {
		var conn=":table";
		for(o = 0; o < cols; o++) {
			var val = prompt("colonne" + o + ":", "");
			entete = entete + "[" + val + ':b] |';}
			tbl = entete + '¬' + '\n' + tbl;}
		//var tbl = (tbl.value).substring(0,-2);
		if ((clientVer >= 4) && is_ie && is_win) {
			var str = document.selection.createRange().text;
			var sel = document.selection.createRange();
			sel.text = str + '[' + tbl + ']\n';} 
		else {
		mozWrap(txtarea, '', '[' + tbl + conn + ']' + "\n");}
	}
	return;
}

// Shows the help messages in the helpline window
function helpline(help, champ) {
	champ.value = help;
}

function setCaretToEnd (input) {
  setSelectionRange(input, input.value.length, input.value.length);
}

function setSelectionRange(input, selectionStart, selectionEnd) {
  if (input.setSelectionRange) {
    input.focus();
    input.setSelectionRange(selectionStart, selectionEnd);
  }
  else if (input.createTextRange) {
    var range = input.createTextRange();
    range.collapse(true);
    range.moveEnd('character', selectionEnd);
    range.moveStart('character', selectionStart);
    range.select();
  }
}

// From http://www.massless.org/mozedit/
function mozWrap(txtarea, open, close){
	var selLength = txtarea.textLength;
	var selStart = txtarea.selectionStart;
	var selEnd = txtarea.selectionEnd;
	if (selEnd == 1 || selEnd == 2)
		selEnd = selLength;
	var selTop = txtarea.scrollTop;
	// Raccourcir la selection par double-clic si dernier caractere est espace	
	if (selEnd - selStart > 0 && (txtarea.value).substring(selEnd-1,selEnd) == ' '){
		selEnd = selEnd-1;}
	var s1 = (txtarea.value).substring(0,selStart);
	var s2 = (txtarea.value).substring(selStart, selEnd)
	var s3 = (txtarea.value).substring(selEnd, selLength);
	txtarea.value = s1 + open + s2 + close + s3;
	selDeb = selStart;
	selFin = selEnd + close.length + open.length;
	window.setSelectionRange(txtarea, selFin, selFin);//selDeb
	txtarea.scrollTop = selTop;
	txtarea.focus();
	return;
}

// Insert at Claret position. Code from
// http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
     function storeCaret (textEl) {
       if (textEl.createTextRange) 
         textEl.caretPos = document.selection.createRange().duplicate();
     }
	 
/////

function putincontext(func){
	var txtarea = document.getElementById('textarea_1');
	var selLength = txtarea.textLength;
	var selStart = txtarea.selectionStart;
	var selEnd = txtarea.selectionEnd;
	var selTop = txtarea.scrollTop;
	if (selEnd==1 || selEnd==2) selEnd=selLength;
	if (selEnd - selStart > 0 && (txtarea.value).substring(selEnd-1,selEnd) == ' ') 
		selEnd = selEnd-1;
	var s1 = (txtarea.value).substring(0,selStart);
	var s2 = (txtarea.value).substring(selStart, selEnd);
	var s3 = (txtarea.value).substring(selEnd, selLength);
	if(func=="clean_n"){var txt=s2.split("\n\n").join("\n");}
	else if(func=="x"){var txt="";}
	var render = s1 + txt + s3;
	txtarea.innerHTML = render; 
	window.setSelectionRange(txtarea, selStart, selEnd);//
	txtarea.scrollTop = selTop;	
	txtarea.focus();
	return;

}