Voici le code qu'il te faut :
<html>
<head>
<script language="Javascript">
var isMozilla = (navigator.userAgent.toLowerCase().indexOf('gecko')!=-1) ? true : false;
var regexp = new RegExp("[\r]","gi");
function storeCaret(selec)
{
if (isMozilla)
{
// Si on est sur Mozilla
oField = document.forms['news'].elements['newst'];
objectValue = oField.value;
deb = oField.selectionStart;
fin = oField.selectionEnd;
objectValueDeb = objectValue.substring( 0 , oField.selectionStart );
objectValueFin = objectValue.substring( oField.selectionEnd , oField.textLength );
objectSelected = objectValue.substring( oField.selectionStart ,oField.selectionEnd );
// alert("Debut:'"+objectValueDeb+"' ("+deb+")\nFin:'"+objectValueFin+"' ("+fin+")\n\nSelectionné:'"+objectSelected+"'("+(fin-deb)+")");
oField.value = objectValueDeb + "[:" + selec + "]" + objectSelected + "[/" + selec + "]" + objectValueFin;
oField.selectionStart = strlen(objectValueDeb);
oField.selectionEnd = strlen(objectValueDeb + "[:" + selec + "]" + objectSelected + "[/" + selec + "]");
oField.focus();
oField.setSelectionRange(
objectValueDeb.length + selec.length + 3,
objectValueDeb.length + selec.length + 3);
}
else
{
// Si on est sur IE
oField = document.forms['news'].elements['newst'];
var str = document.selection.createRange().text;
if (str.length>0)
{
// Si on a selectionné du texte
var sel = document.selection.createRange();
sel.text = "[:" + selec + "]" + str + "[/" + selec + "]";
sel.collapse();
sel.select();
}
else
{
oField.focus(oField.caretPos);
// alert(oField.caretPos+"\n"+oField.value.length+"\n")
oField.focus(oField.value.length);
oField.caretPos = document.selection.createRange().duplicate();
var bidon = "%~%";
var orig = oField.value;
oField.caretPos.text = bidon;
var i = oField.value.search(bidon);
oField.value = orig.substr(0,i) + "[:" + selec + "][/" + selec + "]" + orig.substr(i, oField.value.length);
var r = 0;
for(n = 0; n < i; n++)
{if(regexp.test(oField.value.substr(n,2)) == true){r++;}};
pos = i + 3 + selec.length - r;
//placer(document.forms['news'].elements['newst'], pos);
var r = oField.createTextRange();
r.moveStart('character', pos);
r.collapse();
r.select();
}
}
}
</script>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body bgcolor="#FFFFFF" text="#000000">
<center>
<input type="submit" name="Submit" value="Envoyer" onclick="storeCaret('center')">
<form name="news">
<br>
<br>
<textarea name="newst" rows="10"cols="45"></textarea>
</form>
</center>
</body>
</html>
Si ma réponse te convient, merci de l'accepter !
L'homme n'est pas fait pour travailler, la preuve, ça le fatigue Voltaire 