Check out lps/components/incubator/newcombobox
This is much more efficient for the kind of situation you describe. It's a
data-backed combobox.
A
On Nov 22, William Krick wrote:
> In our app, we have to be able to replace the list of items in various
> comboboxes often. So we extended combobox and added a setItems() method.
> However, the part that removes the old
> items is brutally slow. In fact, it seems to be faster for us to destroy
> the combobox and create a new one than it is to remove the items. However
> destroying comboboxes at runtime just feels wrong and I'm sure will lead to
> memory leaks and other problems. Below is our code. Any thoughts would be
> appreciated...
>
> <class name="comboboxex" extends="combobox">
> <method name="setItems" args="list">
> <![CDATA[
> //First, remove items...
> while(this.getItemAt(0) != null) {
> this.removeItemAt(0);
> }
> //Then, add items passed in
> for (var i=0; i<list.length; i++) {
> this.addItem(list[i], i);
> }
> ]]>
> </method>
> </class>
>
> _______________________________________________
> Laszlo-user mailing list
> [email protected]
> http://www.openlaszlo.org/mailman/listinfo/laszlo-user
>
>
_______________________________________________
Laszlo-user mailing list
[email protected]
http://www.openlaszlo.org/mailman/listinfo/laszlo-user
