org.eclipse.gef.EditPartFactory Java Examples

/**
 * Creates a basic GEF viewer in the specified container and with the
 * specified EditPartFactory.
 * 
 * @param container
 *            The Composite that will contain the viewer.
 * @param factory
 *            The factory used to create the viewer's EditParts.
 */
public static GraphicalViewer createViewer(Composite container,
		EditPartFactory factory) {
	// Create the GraphicalViewer. This is fairly standard procedure for
	// GEF.

	// Use this to test re-sizing of window (this viewer does not create
	// scroll bars).
	GraphicalViewer viewer = new GraphicalViewerImpl();
	viewer.setRootEditPart(new SimpleRootEditPart());
	viewer.createControl(container);

	// Pass the custom EditPartFactory and the Grid model to the
	// GraphicalViewer.
	viewer.setEditPartFactory(factory);

	// Set the GraphicalViewer's EditDomain to a default.
	viewer.setEditDomain(new DefaultEditDomain(null));

	return viewer;
}
 

/**
 * @return
 */
private EditPartFactory getOutlineViewEditPartFactory() {
    return new EditPartFactory() {

        @Override
        public EditPart createEditPart(final EditPart context, final Object model) {
            if (model instanceof Diagram) {
                return new TreeDiagramEditPart(model);
            } else if (model instanceof View
                    && ViewType.GROUP.equals(((View) model).getType())) {
                return new TreeContainerEditPart(model);
            } else {
                return new TreeEditPart(model);
            }
        }
    };
}
 

/**
 * Gets default edit part factory.
 */
protected EditPartFactory getEditPartFactory( )
{
	if ( editPartFactoy == null )
	{
		editPartFactoy = new GraphicalPartFactory( );
	}
	return editPartFactoy;
}
 

protected EditPartFactory getEditPartFactory( )
{
	return new LibraryMasterPageGraphicalPartFactory();
}
 

protected EditPartFactory getEditPartFactory( )
{
	return new LibraryGraphicalPartFactory( );
}
 

/**
 * Creates a GEF Viewer with the specified model and factory.
 * 
 * @param container
 *            The Composite that will contain the viewer.
 * @param model
 *            The model for the viewer.
 * @param factory
 *            The factory used to create the viewer's EditParts.
 */
public static GraphicalViewer createViewer(Composite container, Grid model,
		EditPartFactory factory) {
	// Create the GraphicalViewer. This is fairly standard procedure for
	// GEF.
	// GraphicalViewer viewer = new ScrollingGraphicalViewer();
	// Use this to test re-sizing of window (this viewer does not create
	// scroll bars).
	GraphicalViewer viewer = new GraphicalViewerImpl();
	viewer.setRootEditPart(new SimpleRootEditPart());
	viewer.createControl(container);
	// Pass the custom EditPartFactory and the Grid model to the
	// GraphicalViewer.
	viewer.setEditPartFactory(factory);
	viewer.setContents(model);
	// Set the GraphicalViewer's EditDomain to a default.
	viewer.setEditDomain(new DefaultEditDomain(null));

	/* -- Set the viewer's current selection of cells. -- */
	// Here, we need to set the viewer's current selection of EditParts to
	// the currently-selected Cells in the Grid model. This allows us to
	// show the user the Cells that were previously selected. To do this, we
	// need to add all of the EditParts for selected Cells to the viewer's
	// StructuredSelection.

	// Create the object array needed to create the StructuredSelection.
	List<Object> selectionList = new ArrayList<Object>();

	// Add the EditParts for all selected Cells to the ArrayList.
	for (Cell cell : model.getCells()) {
		if (cell.getSelected()) {
			// Get the Cell's EditPart.
			CellEditPart editPart = (CellEditPart) viewer
					.getEditPartRegistry().get(cell);

			// Add the CellEditPart to the array.
			selectionList.add(editPart);
		}
	}

	// Create the StructuredSelection from the array and pass it to viewer.
	viewer.setSelection(new StructuredSelection(selectionList.toArray()));
	/* -------------------------------------------------- */

	return viewer;
}