hi arash,
check this out:
<html>
<head></head>
<body>
<script>
function getMax(anumber, another) {
return((anumber > another) ? anumber : another);
}
/*************** *************** *************** *************** *************** **
* @SDESCRIPTION: automatically resizes a textarea depending on the
input
* @DESCRIPTION: call the function in the onkeyup-event of the tarea.
* @PARAM: t [textarea]: the textarea you want to handle
* @PARAM: minRows [int]: minimum amount of rows
* @PARAM: minCols [int], OPTIONAL: minimum amount of columns.
*************** *************** *************** *************** *************** **/
function resizeTextArea( t, minRows, minCols) {
t.rows = minRows;
t.setAttribute( "wrap", "off");
t.style.overflo w = "auto";
lines = t.value.split(" \n");
if (arguments.leng th > 2) {
t.cols = minCols;
maxChars = lines[0].length;
for(i = 1; i < lines.length; i++) {
currentLength = lines[i].length;
if (currentLength > maxChars) maxChars = currentLength;
}
t.cols = getMax(maxChars , minCols);
}
t.rows = getMax(lines.le ngth + 1, minRows);
}
</script>
<textarea onkeyup="resize TextArea(this, 10);"></textarea>
<textarea onkeyup="resize TextArea(this, 10, 5);"></textarea>
</body>
</html>
ar********@hotm ail.com wrote:
Hi, I wrote an auto resizing textarea:
function myMax(anumber, another) {
if (anumber > another) {
return anumber;
}
return another;
}
function resizeTextArea( t,minCols,minRo ws) {
var lines = 0;
if (t.getAttribute ("cols") == null) t.setAttribute( "cols",minCols) ;
if (t.getAttribute ("rows") == null) t.setAttribute( "rows",minRows) ;
textLine = t.value.split(" \n");
// get lines of textbox
lines = t.value.split(" \n").length;
// get longest row of textbox.
var max = 0;
for (i=0;i < textLine.length ;i++) {
if (parseInt(textL ine[i].length) >
parseInt(t.getA ttribute("cols" ))) {
lines += Math.floor(pars eInt(textLine[i].length) /
parseInt(t.getA ttribute("cols" ))) ;
}
}
t.setAttribute( "rows",myMax(li nes+1,minRows)) ;
}
In Firefox this works really fine!
But in IE the text area grows very strange. If I add a line, after a
while there seems to be a problem with spacing.
Anybody has some ideas?
arash
