Thanks alot Martin for the prompt reply.
Infact, i found it wrong too, therefore updated the code which is as
follows:
if(formPanel != null &&
formPanel.getFields().length > 1) { // Checking length to prevent
the control for irrelevant clear calls.
DeferredCommand.addCommand(new
IncrementalCommand() {
public boolean execute() {
formPanel.clear();
return
(formPanel.getFields().length > 0);
}
});
}
It temporarily resolved the issue but later script error again popped-
up. ()
Also, then i tried to remove the component(s) directly by traversing
each from the form panel but again hard luck.
Component[] compsArray = formPanel.getComponents();
if(compsArray != null) {
for(int i = 0; i < compsArray.length; i++) {
Component comp = compsArray[i];
formPanel.remove(comp, true);
}
}
But ,as you mentioned, there is no error while redrawing the same
count of components with their respective values
from database. Because, Clean-up & Re-Draw are independent events.
Is this approach wrong?
On Sep 30, 8:21 pm, mars1412 <martin.trum...@24act.at> wrote:
> why do you call clear so often?
> calling it once should be enough, shouldn't it?
>
> and if the clear() call takes too long, you have to split it up:
> so don't call clear, but instead copy and adjust the code in the clear
> function, os that e.g. only 20 of the fields of the form are cleared
> at once.
>
> but I really doubt that clearing 300 fields takes more than 10 secs on
> any computer
> so maybe there's another problem in your code:
> maybe you add fields again, before clearing the existing once has
> finished?
>
> On Sep 30, 6:49 am, Vikas <mevik...@gmail.com> wrote:
>
>
>
> > Hi all,
>
> > I'm a newbie to GWT.
>
> > Whenever, i try to re-load a Form Panel on Combo Box 'onSelect' event
> > then i am getting IE script error that says:
>
> > "A script on this page is causing Internet Explorer to run slowly. If
> > it continues to run, your computer may become unresponsive. Do you
> > want to abort the script?"
>
> > My form panel contains more than 300 fields (Checkbox & TextField).
>
> > So, in order to reload, first, i clear up the Form Panel and then
> > redraw the components on the same and my code as follows:
>
> > if(formPanel != null) {
>
> >
> > DeferredCommand.addCommand(new IncrementalCommand() {
>
> > private int
> > index = 0;
>
> > protected static
> > final int COUNT = 20;
>
> > public boolean
> > execute() {
>
> > formPanel.clear();
>
> > return (++index <
> > COUNT);
> > }
>
> > });
> > }
>
> > Although, script error got resolved i made changes in Windows
> > registry as suggested in the following link:
>
> > http://gwt-ext.com/forum/viewtopic.php?f=7&t=4180
>
> > But, i cannot ask to every user to do the same in their OS.
>
> > So, i request you to please guide me the right approach to resolve
> > the issue.
>
> > Thanks alot in advance.
>
> > -Vikas
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