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SWT Button as a command [message #892452]

Thu, 28 June 2012 09:38

Jan Krakora

Messages: 477
Registered: December 2009
Location: Prague

Senior Member

Hi,

is it possible to have a button that represents a command? Like in the menu or toolbar?
I mean it should have an active handler and would be enabled when the handler is enabled, all contributed declarativelly like normal command menu contribution.

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Re: SWT Button as a command [message #892475 is a reply to message #892452]

Thu, 28 June 2012 11:34

Simon Scholz

Messages: 73
Registered: April 2012
Location: Germany

Member

Hi Jan,

How to execute a command programmatically can be found here:
wiki.eclipse.org/Platform_Command_Framework#Executing_a_command_with_parameters

But by just invoking the command in i.e. a SelectionListener of the Button you would have manage the active and enabled state yourself.

The easiest solution for that is to use a Toolbarmanager, which is populated by the IMenuService :

IMenuService menuService = (IMenuService) PlatformUI.getWorkbench()
                .getActiveWorkbenchWindow().getService(IMenuService.class);

ToolBar toolbar = new ToolBar(composite, SWT.NONE);

ToolBarManager tBManager = new ToolBarManager(toolbar);

menuService.populateContributionManager(tBManager,":::locationURI of your menuContribution:::");

tBManager.update(true);

Best regards,

Simon

[Updated on: Thu, 28 June 2012 11:36]

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Re: SWT Button as a command [message #892493 is a reply to message #892475]

Thu, 28 June 2012 12:52

Jan Krakora

Messages: 477
Registered: December 2009
Location: Prague

Senior Member

Hi Simon,

thanks for your reply.

The code you have posted means, that I can contribute commands to the created ToolBar, right?
And the ToolItems will be updated automatically when the active handler for that commands change?

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Re: SWT Button as a command [message #892497 is a reply to message #892452]

Thu, 28 June 2012 13:10

Simon Scholz

Messages: 73
Registered: April 2012
Location: Germany

Member

Hi Jan,

this is correct Smile

But please consider the update mechanism of the Command Contributions in a toolbar for which yuta kobayashi asked in the following post last friday...
www.eclipse.org/forums/index.php/t/365261/
In this post I described how to request an update concerning the state of the Contributions in a toolbar.

Best regards,

Simon

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