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Javascript
Discussing Java & Javascript development related topics...How to insert BBcode / Textarea posts : 1 2008-11-01
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Last post in this thread :
admin (2008-10-16 22:23:29)
How to insert BBcode / Textarea
How to insert BBcode tags around the selected text in a textarea ?
After having searched scripts to answer my question (more or less simple codes with the Caret method and so on) and encountered some problems & bugs, I have rewritten one small code that works fine on these forums, here is the result :
<script language="javascript" type="text/javascript">
function addText(Text)
{
var obj = document.form.message;
obj.focus();
if (document.selection && document.selection.createRange) // Internet Explorer
{
sel = document.selection.createRange();
if (sel.parentElement() == obj) sel.text = Text;
}
else if (obj != "undefined") // Firefox
{
var longueur = parseInt(obj.textLength);
var selStart = obj.selectionStart;
var selEnd = obj.selectionEnd;
obj.value = obj.value.substring(0,selStart) + Text + obj.value.substring(selEnd,longueur);
}
else obj.value += Text;
obj.focus();
}
function addTags(Tag, fTag)
{
var obj = document.form.message;
obj.focus();
if (document.selection && document.selection.createRange) // Internet Explorer
{
sel = document.selection.createRange();
if (sel.parentElement() == obj) sel.text = Tag + sel.text + fTag;
}
else if (obj != "undefined") // Firefox
{
var longueur = parseInt(obj.textLength);
var selStart = obj.selectionStart;
var selEnd = obj.selectionEnd;
obj.value = obj.value.substring(0,selStart) + Tag + obj.value.substring(selStart,selEnd) + fTag + obj.value.substring(selEnd,longueur);
}
else obj.value += Tag + fTag;
obj.focus();
}
</script>
// In example, a part of the form
<form method="post" name="form" action="...">
<a title="Bold : [B ][/B ]" onmousedown="addTags('[B ]','[/B ]')" style="background-color:#F7F7F7; font-size:10pt; border: outset white 1px;"> <b>B</b> </a>
<img src="images/smilies/smile.gif" title="[:) ]" onmousedown="addText('[:) ]')">
<textarea wrap="VIRTUAL" name="message" cols="50" rows="10"></textarea>
</form>
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