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Modifying Menu inside Job/Display.asyncExec() [message #330422]

Mon, 28 July 2008 15:11

Srimathi is currently offline

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Messages: 5
Registered: July 2009

Junior Member

Hi,

I used the following to add MenuItems to an existing Menu object. In
which, createMenuDescriptor(), method is time consuming operation. So i
had to put this in a Job thread. But whatever changes applied to the Menu
object is not visible in the UI. Note that the same code worked in
eclipse3.2 but not in eclipse 3.4. A help would be really great. Thanks in
advance.

public void constructMenu( final Menu parent) {
MenuItem[] menuItems = parent.getItems();
for (int i = 0; i < menuItems.length; i++) {
menuItems[i].dispose();
}
MenuItem item = new MenuItem(parent, SWT.PUSH);
item.setText(Messages.getString("MenuBuilder.Loading"));
//$NON-NLS-1$
item.setEnabled(false);
Job job = new Job( "") {
@Override
protected IStatus run(IProgressMonitor monitor) {
final MenuDescriptor descriptor =
createMenuDescriptor(); //Time consuming operation
if (!parent.isDisposed()) {
parent.getDisplay().syncExec(new Runnable() {
public void run() {
if (!parent.isDisposed()) {
constructMenu( parent,
descriptor); //Which adds and diposes some of the menu-items in parent
object.
}
}
});
}
return Status.OK_STATUS;
}
};
job.setPriority(Job.SHORT);
job.schedule();
}

Regards,
Mathi

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Re: Modifying Menu inside Job/Display.asyncExec() [message #330429 is a reply to message #330422]

Mon, 28 July 2008 16:47

Paul Webster is currently offline

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Messages: 6859
Registered: July 2009
Location: Ottawa

Senior Member

paulweb515@gmail.com

I would open a bug against
https://bugs.eclipse.org/bugs/enter_bug.cgi?product=Platform &component=SWT
with a small snippet that works in 3.2 but not in 3.4

Don't forget to post the bug number here when submitted.

PW

--
Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions
http://wiki.eclipse.org/Menus_Extension_Mapping
http://help.eclipse.org/help33/index.jsp?topic=/org.eclipse. platform.doc.isv/guide/workbench.htm

Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions

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Re: Modifying Menu inside Job/Display.asyncExec() [message #330445 is a reply to message #330429]

Tue, 29 July 2008 10:14

Srimathi is currently offline

Friend

Messages: 5
Registered: July 2009

Junior Member

I have created a bug for this. #242357

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Re: Modifying Menu inside Job/Display.asyncExec() [message #330447 is a reply to message #330445]

Tue, 29 July 2008 12:51

Paul Webster is currently offline

Friend

Messages: 6859
Registered: July 2009
Location: Ottawa

Senior Member

paulweb515@gmail.com

Srimathi wrote:
> I have created a bug for this. #242357

Thanz. This is probably related to the delayed loading code added to
ActionContributionItem.

PW

--
Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions
http://wiki.eclipse.org/Menus_Extension_Mapping
http://help.eclipse.org/help33/index.jsp?topic=/org.eclipse. platform.doc.isv/guide/workbench.htm

Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions

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