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Hide/Unhide a node [message #630259]

Fri, 01 October 2010 10:43

Jeno Jeyakumar Nathaniel

Messages: 18
Registered: April 2010

Junior Member

Hi All,

I am working on a GMF based RCP tool.

Now i have to hide a node and its child node when i double click on that node(can be triggered in any event)

I have installed a new edit policy as

installEditPolicy(EditPolicyRoles.OPEN_ROLE,
createOpenEditPolicy());

and inside the createOpenEditPolicy(), i have done the following,

private OpenEditPolicy createOpenEditPolicy() {
OpenEditPolicy policy = new OpenEditPolicy() {

@Override
protected Command getOpenCommand(Request request) {
IGraphicalEditPart ige = (IGraphicalEditPart) this
.getTargetEditPart(request);

View selectedView = ige.getPrimaryView();
selectedView.setVisible(false);

return null;
}
};
return policy;
}

But the node is hidden only if i refresh the diagram by adding a new node.

Kindly suggest where i went wrong, and let me know how to automatically refresh the diagram.

Regards,
Jeno J

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Re: Hide/Unhide a node [message #630467 is a reply to message #630259]

Sun, 03 October 2010 00:29

Fernando Herrera

Messages: 49
Registered: January 2010

Member

try casting (IGraphicalEditPart) this
.getTargetEditPart(request) to the specif editpart of your domain and after try:

editPart.getPrimaryShape().repaint();

If it not works, maybe you have a property in your figure that allows to set the visibility too.

Regards,

Fernando

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Re: Hide/Unhide a node [message #630555 is a reply to message #630467]

Mon, 04 October 2010 06:07

Jeno Jeyakumar Nathaniel

Messages: 18
Registered: April 2010

Junior Member

I just casted to the specific editpart and its working fine.

Thanks a lot for your help.

Regards,
Jeno J.

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Re: Hide/Unhide a node [message #630587 is a reply to message #630555]

Mon, 04 October 2010 09:48

Jeno Jeyakumar Nathaniel

Messages: 18
Registered: April 2010

Junior Member

Now the node is hidden, but the changes are not getting persisted in the diagram file.

It will be helpful if the changes are stored in a file so that we can restore the changes while closing and opening the diagram again.

Regards,
Jeno J

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