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How to change perspective buttons state ? [message #921641]

Mon, 24 September 2012 09:47

Georges Bachelier

Messages: 29
Registered: May 2010

Junior Member

Hi Everybody !

My E4 RCP application implements three perspectives the user can switch by clicking toolbar push buttons built from "Handled Tool Items" in the Application.e4xmi file.

The perspective switch mechanism works fine, but the perspective toolbar button remains unpressed after I click it. How do you force the button state ?

The following code shows how I get the ToolItem reference:

  private void findObjectsById( MApplication application, EModelService service, String ID )
  {
    List< MUIElement > findElements = service.findElements( application, ID, MUIElement.class, null );
    MUIElement muiElement = findElements.get( 0 );
    ToolItem widget = (ToolItem) muiElement.getWidget();
    widget.setSelection( true );
  }

Thanks a lot in advance for your time !

Georges

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Re: How to change perspective buttons state ? [message #921650 is a reply to message #921641]

Mon, 24 September 2012 09:54

Eclipse User

Does the widget have the SWT.RADIO flag?

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Re: How to change perspective buttons state ? [message #921701 is a reply to message #921650]

Mon, 24 September 2012 11:03

Georges Bachelier

Messages: 29
Registered: May 2010

Junior Member

No, the Handled Tool Item type is Push.

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Re: How to change perspective buttons state ? [message #921710 is a reply to message #921701]

Mon, 24 September 2012 11:12

Eclipse User

IIRC the perspective buttons group need to have a RADIO flag in order for any of them to be checked at a given time. Try grouping them and putting the radio flag instead of push.

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Re: How to change perspective buttons state ? [message #921724 is a reply to message #921710]

Mon, 24 September 2012 11:26

Georges Bachelier

Messages: 29
Registered: May 2010

Junior Member

Everything works as expected with the Radio type.

Thanks a lot for your help !

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Re: How to change perspective buttons state ? [message #921732 is a reply to message #921724]

Mon, 24 September 2012 11:32

Christoph Keimel

Messages: 482
Registered: December 2010
Location: Germany

Senior Member

Out of interest: Did you set the RADIO flag in the e4xmi? If so, how?

Thanks,
Christoph

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Re: How to change perspective buttons state ? [message #921787 is a reply to message #921732]

Mon, 24 September 2012 12:28

Georges Bachelier

Messages: 29
Registered: May 2010

Junior Member

Hi Christoph,

Yes, I set the Radio flag in the e4xmi file. I use the application model editor, select a Handled Tool Item in the Toolbar section and set its Type to Radio through the Type combo.

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