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| Re: DestroyElementRequest [message #202520 is a reply to message #202277] |
Tue, 19 August 2008 17:44   |
Eclipse User |
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Originally posted by: Stefan.Kuhn.[REMOVE]gentleware.com
hi, here my 2 cents:
1) what is cc and why are 2 commands executed?
> selectedElement.getDiagramEditDomain().getDiagramCommandStac k().execute(cc);
> destroy.execute();
2) you shouldn't call destroy.execute() but execute it on the command stack
-stefan
Toyin Fakorede schrieb:
> I'm trying to use the code below to delete an element in my model.
> Whenever I delete this element, the element is not completely deleted, a
> faded image of that element remains on the screen and the remaining
> elements remain static. Is something missing in my code? Please help
>
> DestroyElementRequest request = new DestroyElementRequest
> (selectedElement.resolveSemanticElement(), false);
> Command destroy = selectedElement.getCommand(new
> EditCommandRequestWrapper(request) );
> selectedElement.getDiagramEditDomain().getDiagramCommandStac k().execute(cc);
>
> destroy.execute();
>
> Thanks
>
> Toyin
>
--
Stefan Kuhn, Gentleware AG
http://www.gentleware.com
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| Re: DestroyElementRequest [message #202854 is a reply to message #202845] |
Thu, 21 August 2008 11:34 |
| Eclipse User |
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Originally posted by: Stefan.Kuhn.[REMOVE]gentleware.com
hi toyin,
what do you mean by "makes the remaining elements on the workspace
static." ?
-stefan
Toyin Fakorede schrieb:
> Hi Stefan,
> This is my code. I should make more sense. This code deletes the element
> but makes the remaining elements on the workspace static. Pls help.
>
> package org.eclipse.scrapbuuk.diagram.popup.actions;
> import java.util.List;
>
> import org.eclipse.core.runtime.IAdaptable;
> import org.eclipse.draw2d.geometry.Point;
> import org.eclipse.emf.ecore.EObject;
> import org.eclipse.emf.transaction.TransactionalEditingDomain;
> import org.eclipse.gef.EditPart;
> import org.eclipse.gef.EditPartViewer;
> import org.eclipse.gef.Request;
> import org.eclipse.gef.commands.Command;
> import org.eclipse.gef.commands.CompoundCommand;
> import org.eclipse.gmf.runtime.common.core.command.ICommand;
> import
> org.eclipse.gmf.runtime.diagram.ui.commands.DeferredCreateCo nnectionViewAndElementCommand;
>
> import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
> import
> org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnection ViewAndElementRequest;
>
> import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewReques t;
> import
> org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewReques tFactory;
> import
> org.eclipse.gmf.runtime.diagram.ui.requests.EditCommandReque stWrapper;
> import org.eclipse.gmf.runtime.diagram.ui.requests.RequestConstants ;
> import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
> import org.eclipse.gmf.runtime.emf.type.core.IElementType;
> import org.eclipse.gmf.runtime.emf.type.core.IHintedType;
> import
> org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElemen tRequest;
> import org.eclipse.gmf.runtime.notation.View;
> import org.eclipse.jface.action.IAction;
> import org.eclipse.jface.viewers.ISelection;
> import org.eclipse.jface.viewers.IStructuredSelection;
> import org.eclipse.jface.viewers.StructuredSelection;
> import org.eclipse.swt.widgets.Display;
> import org.eclipse.ui.IObjectActionDelegate;
> import org.eclipse.ui.IWorkbenchPart;
> import Scrapbook.diagram.edit.parts.ScrapItemEditPart;
> import Scrapbook.diagram.edit.parts.ScrapBookDiagramEditPart;
> import Scrapbook.diagram.edit.parts.FolderEditPart;
> import Scrapbook.diagram.edit.parts.SolidConnectionEditPart;
> import Scrapbook.diagram.providers.ScrapBuukElementTypes;
>
> public class CreateShape implements IObjectActionDelegate {
>
> public final static String ID =
> "org.eclipse.scrapbook.custom.newAction";
>
> private ScrapItemEditPart selectedElement;
>
>
> public void run(IAction action) {
> //CompoundCommand cc = new CompoundCommand("Create another shape");
> // combine all of these commands together
> CompoundCommand cc = new CompoundCommand("A compound command");
>
>
> // Create the new shape.
> CreateViewRequest shapeRequest =
> CreateViewRequestFactory.getCreateShapeRequest(ScrapBuukElem entTypes.Folder_1001,
> selectedElement.getDiagramPreferencesHint());
> Point p =
> selectedElement.getFigure().getBounds().getTopRight().getCop y();
> selectedElement.getFigure().translateToAbsolute(p);
> int edgeCount =
> selectedElement.getNotationView().getSourceEdges().size();
>
> int offset = (edgeCount * 0);
> shapeRequest.setLocation(p.translate(-45, offset));
>
> ScrapBookDiagramEditPart scrapbookmodelEditPart =
> (ScrapBookDiagramEditPart) selectedElement.getParent();
> Command createShapeCmd =
> scrapbookmodelEditPart.getCommand(shapeRequest);
>
> cc.add(createShapeCmd);
>
> // try this code to delete element
> DestroyElementRequest request2 = new DestroyElementRequest
> (selectedElement.resolveSemanticElement(), true);
> Command destroy = selectedElement.getCommand(new
> EditCommandRequestWrapper(request2) );
>
> cc.add(destroy);
> // you can then execute all the commands
> selectedElement.getDiagramEditDomain().getDiagramCommandStac k().execute(cc);
>
>
> }
> public void selectionChanged(IAction action, ISelection selection) {
> selectedElement = null;
> if (selection instanceof IStructuredSelection) {
> IStructuredSelection structuredSelection =
> (IStructuredSelection) selection;
> if (structuredSelection.getFirstElement() instanceof
> ScrapItemEditPart) {
> selectedElement = (ScrapItemEditPart)
> structuredSelection.getFirstElement();
> }
> }
> }
>
> public void setActivePart(IAction action, IWorkbenchPart targetPart) {
> }
>
>
> }
>
>
>
--
Stefan Kuhn, Gentleware AG
http://www.gentleware.com
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| Re: DestroyElementRequest [message #203111 is a reply to message #202862] |
Fri, 22 August 2008 12:25 |
| Eclipse User |
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Originally posted by: Stefan.Kuhn.[REMOVE]gentleware.com
this sounds like the editor gets into an unexpected state. Check the
error view of the runtime-eclipse for exceptions ... or catch all
exceptions with the debugger before an replace
-stefan
Toyin Fakorede schrieb:
> Hi Stefan,
> This is the whole idea. I've got elements A, B, C, D in my model on the
> workspace, I want to be able to replace element A with element C. This
> is my problem: When I select element A and hit the replace button,
> element C appears but element A becomes faded (not properly deleted) and
> the remaining elements B, C and D becomes unmovable (static) on the
> workspace. I cant even create any new elements.
>
> I think the problem with my code is the right use of the
> DestroyElementRequest. Any suggestions
>
> Thanks
> Toyin
>
--
Stefan Kuhn, Gentleware AG
http://www.gentleware.com
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