<PUBLIC:COMPONENT>
<PUBLIC:PROPERTY NAME="timeout" />
<PUBLIC:PROPERTY NAME="showStatus" />
<PUBLIC:ATTACH EVENT="onkeypress" ONEVENT="return KeyPress();" />
<PUBLIC:ATTACH EVENT="onkeydown" ONEVENT="return KeyDown();" />
<PUBLIC:ATTACH EVENT="onfocus" ONEVENT="return OnFocus();" />
<PUBLIC:ATTACH EVENT="onblur" ONEVENT="return OnBlur();" />
<PUBLIC:ATTACH EVENT="onpropertychange" ONEVENT="return PropertyChange();" />
<PUBLIC:EVENT NAME="onchange" ID="mychange" DISPID="-2147412082" />
<SCRIPT LANGUAGE="JScript">
// Select.htc -- Add Incremental Search to a <SELECT>
//
// Last Updated: 4/28/00 by Burt Harris
//
var time; // Time of last keystroke
var searchString; // Incremental search accumulator
var inControl, lastIndex; // Workaround for TAB when list down
function OnFocus()
{
if (timeout == null)
timeout = 3000; // Set default timeout if not supplied
if (showStatus == null)
showStatus = true; // Set default for showStatus
else
showStatus = eval(showStatus);
time = new Date(); // Initalize timer
searchString = ""; // Start at the first character
inControl = false; // Start out not in search mode
// SOMEDAY: drop down list on receiving focus
}
function KeyDown()
{
// Keys we don't understand, like Up, Down etc
// mark us as not in incremental search mode
if (event.keyCode != 9) // Tab dosn't effect mode
inControl = false;
return true;
}
function KeyPress()
{
var i, lasttime = time; // Save old time
time = new Date(); // Note new time
inControl = true; // We are in incremental search mode
if (!lasttime)
lasttime = time; // Only happens when debugging
var delta = time.valueOf() - lasttime.valueOf();
if (delta > timeout)
searchString = ""; // Reset search if too much time
// Add the character to the search string
searchString = searchString + String.fromCharCode(event.keyCode);
if (searchString.length == 1)
SearchFor( searchString, 1); // Normal 1-character search
else if (!SearchFor( searchString, 0 )) // Incremental search
{ // Incremental search failed, try 1-character search
searchString = String.fromCharCode(event.keyCode);
SearchFor( searchString, 1 );
}
event.returnValue = false; // Avoid default handling
}
function OnBlur()
{
// If we were "in Control" and loose focus, make sure
// the item we last selected is still selected.
if (inControl && lastIndex != this.selectedIndex)
this.selectedIndex = lastIndex;
}
function PropertyChange()
{
// This function generates the onchange events that were
// otherwise lost by our defining it as a custom event.
if (event.propertyName == "selectedIndex")
mychange.fire(createEventObject());
}
function SearchFor( string, offset )
{
var l = string.length; // Length of search string
var o = this.selectedIndex; // Original position in list
var i = o + offset; // Current position in list
if (i >= this.options.length)
i = 0; // Wrap around if needed
if (showStatus) // Show status information
window.status = "Search: " + string;
string = string.toLowerCase(); // For case insensitive search
do
{
// Check if the current item matches
if (string == this.options[i].innerText.substr(0,l).toLowerCase())
return SelectItem(i); // Success
if (++i >= this.options.length) // Try next position
i = 0; // Wrap around if needed
} while (i != o); // Keep trying until all tested
return false; // No match found
}
function SelectItem(index)
{
if (index >= 0 && index < this.options.length)
{
lastIndex = index;
this.selectedIndex = index;
}
return true;
}
</SCRIPT>
</PUBLIC:COMPONENT>
![[wink]](/data/assets/smilies/wink.gif "[wink] [wink]")