coolx.net

Programming

No.

470

Name.

swindler

Subject.

input 박스내의 커서위치 구하기와 이동하기

Main Cate.

Javascript

Sub Cate.

Date.

2008-09-12 13:08

Hit.

8310 (210.182.190.136)

File.

<form name=frm>
    <input type=text name=id id="idtext" value="12345678">
</form>

<br><br>

<script language="javascript">

function WCEditCtrl_setCursorPos(wSrcWnd,oCtrl,elEdit,nPos)
{
    try
    {
        var txtRange = elEdit.createTextRange();
        txtRange.moveStart( "character", nPos);
        txtRange.moveEnd( "character", -1*(elEdit.value.length-nPos));
        txtRange.select();
    }
    catch (ex)
    {
    }
}

function WCEditCtrl_getCursorPos(wSrcWnd,oCtrl,elElmt)
{
    try
    {
        // WCPage_debugTrace(wSrcWnd,"WCEditCtrl_getCursorPos keycode="+wSrcWnd.event.keyCode);
        if (elElmt == null)
            elElmt = oCtrl.elEdit;
        var sOldText = elElmt.value;
        var objRange = wSrcWnd.document.selection.createRange();
        var sOldRange = objRange.text;
        var sWeirdString = '#%~';
        objRange.text = sOldRange + sWeirdString;
        objRange.moveStart('character', (0 - sOldRange.length - sWeirdString.length));
        var sNewText = elElmt.value;
        objRange.text = sOldRange;
        //alert(sWeirdString);
        for (var i=0; i <= sNewText.length; i++)
        {
            var sTemp = sNewText.substring(i, i + sWeirdString.length);
            if (sTemp == sWeirdString)
            {
                var cursorPos = (i - sOldRange.length);
                return cursorPos;
            }
        }
        return null;
    }
    catch (ex)
    {
    }
    return null;
}

function test()
{
    alert(WCEditCtrl_getCursorPos(window, null, window.document.getElementById('idtext')));
}
function test2()
{
    WCEditCtrl_setCursorPos(window, null, window.document.getElementById('idtext'),3);
}

setTimeout(test, 2000);
setTimeout(test2, 4000);
</script>

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