[news.eclipse.modeling.gmf] Re: Displaying and Editing Properties

[Vlad Ciubotariu <vcciubot@xxxxxxxxxxxx>]

Here's an example of writing to the model:

Given the selected edit part, cast it to a IGraphicalEditPart and use
resolveSemanticElement() to retrieve the model element.

AbstractTransactionalCommand createCommand = new CreateAbstractBlockCommand((Block) parentBlock, childrenBlock, diagramID);
				try {
					OperationHistoryFactory.getOperationHistory().execute(createCommand, monitor, null);
				} catch (ExecutionException e){
					//ignore
				}

Your command must subclass AbstractTransactionalCommand, here's my
example. Do your manipulation of the model in doExecuteWithResult().

public class CreateAbstractBlockCommand extends AbstractTransactionalCommand {

	private List blocks;

	private Block parent;

	private String diagramID;

	private static String label = "Create Abstract Command";

	public CreateAbstractBlockCommand(Block parent, List blocks,
			String diagramID) {
		super(TransactionUtil.getEditingDomain(parent), label, Collections
				.singletonList(WorkspaceSynchronizer
						.getFile(parent.eResource())));
		this.blocks = blocks;
		this.parent = parent;
		this.diagramID = diagramID;
	}

	/**
	 * @return The two port ends of the connection
	 */
	protected CommandResult doExecuteWithResult(IProgressMonitor monitor,
			IAdaptable info) throws ExecutionException {

		AbstractBlock absBlock = B2CreationCommandUtil.createAbstractBlock(
				parent, monitor);
		absBlock.setDiagramID(diagramID);
		absBlock.getConcreteBlocks().addAll(blocks);
		createAbstractConnections(absBlock);

		return CommandResult.newOKCommandResult(absBlock);

	}
....

}



On Wed, 08 Nov 2006 11:34:15 +0000, Gaff wrote:

> Hi,
> 
> I've been trying to get a SWT pop up window for the properties of my 
> editor to work for some time. I want to be able to display AND edit the 
> properties of a node from a SWT window from double clicking on the node.
> 
> So far I can double click on the node, which then shows a SWT dialogue.
> 
> Double-click works from the nodes EditPart.java file, calling a new Edit 
> Policy called OpenEditorEditPolicy() which extends OpenEditPolicy :
> 
> protected void createDefaultEditPolicies() {	
>    super.createDefaultEditPolicies(); 
>    installEditPolicy(EditPolicyRoles.OPEN_ROLE, new 
> OpenEditorEditPolicy()); 
> }
> 
> 
> The code for OpenEditorPolicy is below, what I think I really need are the 
> set() and get() functions for the node that is the target(???). So if the 
> nodes are called A and has properties X and Y, I want ot be able to 
> display in SWT with A.getX() and change with A.setX(new_value_of_X) or 
> something that will achieve this result anyway.
> 
> I used the read_out/2 to check what is going on, I can see back the 
> logical address, etc but it's not what I need.
> 
> Been trying to get this to work for some time. Please help.
> 
> Thanks
> 
> 
> 
> 
> 
> public class OpenEditorEditPolicy extends OpenEditPolicy { 
> 	protected Command getOpenCommand(Request request) {
> 		EditPart targetEditPart = getTargetEditPart(request);
> 	
> 	
> 	if (targetEditPart instanceof IGraphicalEditPart) {
> 		IGraphicalEditPart editPart = (IGraphicalEditPart) targetEditPart;
> 		View view = editPart.getNotationView();
> 			if (view != null) {
> 				EObject element = ViewUtil.resolveSemanticElement(view);
> 					
> 				String read_out = element.toString();
> 						
> 				String read_out2 = view.toString();
> 						
> 				/* SWT STUFF GOES IN HERE AND WORKS FINE*/		
> 						
> 						
> 			}
> 	}
> 	
> 	return null;
> }
> }