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stop view creation when modelElement is null [message #176038]

Thu, 06 March 2008 13:09

Eclipse User

Originally posted by: ali.akar.geensys.com

hello every body,

How can I stop the operation that create the view when the execution of
the command to create the model element return null(if the
xxxCreateCommand#doDefaultElementCreation() return null).

Regards,
Ali

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Re: stop view creation when modelElement is null [message #177230 is a reply to message #176038]

Thu, 13 March 2008 19:33

Cherie Revells

Messages: 299
Registered: July 2009

Senior Member

Ali,

Normally if a command is not going to be able to execute then it should
be returning false in the canExecute() method. If your xxxCreateCommand
returns false when it cannot execute then I believe the code should
never reach the point where the view creation command is executed.

Regards,
Cherie

Ali Akar wrote:
> hello every body,
>
> How can I stop the operation that create the view when the execution of
> the command to create the model element return null(if the
> xxxCreateCommand#doDefaultElementCreation() return null).
>
> Regards,
> Ali

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