org.eclipse.gef.requests.SelectionRequest Java Examples

@Override
public DragTracker getDragTracker(Request req) {
	if (!supportsDragSelection())
		return super.getDragTracker(req);

	if (req instanceof SelectionRequest
		&& ((SelectionRequest) req).getLastButtonPressed() == 3)
		return new DeselectAllTracker(this) {

			protected boolean handleButtonDown(int button) {
				getCurrentViewer().select(CustomLaneCompartmentEditPart.this);
				return true;
			}
		};
	return new CustomRubberbandDragTracker() {

		protected void handleFinished() {
			if (getViewer().getSelectedEditParts().isEmpty())
				getViewer().select(CustomLaneCompartmentEditPart.this);
		}
	};
}
 

/**
 * Performs direct edit on double click
 */
@Override
public DragTracker getDragTracker(final Request request) {
	if (request instanceof SelectionRequest && ((SelectionRequest) request).getLastButtonPressed() == 3)
		return null;
	IDoubleClickCallback callback = new IDoubleClickCallback() {

		@Override
		public void handleDoubleClick(int btn) {
			performDirectEditRequest(request);
		}
	};
	return new DoubleClickDirectEditDragTracker(this, getTopGraphicEditPart(), callback);
}
 

@Override
public DragTracker getDragTracker(final Request request) {
	if (request instanceof SelectionRequest && ((SelectionRequest) request).getLastButtonPressed() == 3)
		return null;
	IDoubleClickCallback callback = new IDoubleClickCallback() {
		public void handleDoubleClick(int btn) {
			performDirectEditRequest(request);
		}
	};
	return new DoubleClickDirectEditDragTracker(this, getTopGraphicEditPart(), callback);
}
 

/**
 * Performs direct edit on double click
 */
@Override
public DragTracker getDragTracker(final Request request) {
	if (request instanceof SelectionRequest && ((SelectionRequest) request).getLastButtonPressed() == 3)
		return null;
	IDoubleClickCallback callback = new IDoubleClickCallback() {

		@Override
		public void handleDoubleClick(int btn) {
			performDirectEditRequest(request);
		}
	};
	return new DoubleClickDirectEditDragTracker(this, getTopGraphicEditPart(), callback);
}
 

protected boolean isFigureLeft( Request request )
{
	if ( !( request instanceof SelectionRequest ) )
	{
		return true;
	}
	SelectionRequest selctionRequest = (SelectionRequest) request;
	Point p = selctionRequest.getLocation( );
	// getFigure().translateToAbsolute(p);
	getFigure( ).translateToRelative( p );
	Point center = getFigure( ).getBounds( ).getCenter( );
	return center.x >= p.x;
}
 

public DragTracker getDragTracker( Request req )
{
	if ( req instanceof SelectionRequest
			&& ( (SelectionRequest) req ).getLastButtonPressed( ) == 3 )
		return new DeselectAllTracker( this );
	return new RootDragTracker( );
}
 

protected void performOpen( )
{
	SelectionRequest request = new SelectionRequest( );
	request.setLocation( getLocation( ) );
	request.setType( RequestConstants.REQ_OPEN );
	request.getExtendedData( ).put( DesignerConstants.TABLE_ROW_NUMBER,
			Integer.valueOf( getNumber( ) ) );
	if ( getSourceEditPart( ).understandsRequest( request ) )
	{
		getSourceEditPart( ).performRequest( request );
	}
}
 

/**
 * This method returns a dragTracker to use for multi-selection of
 * EditParts.
 */
@Override
public DragTracker getDragTracker(Request req) {
	// XXX Important notes here!
	//
	// The dragTracker is created from the very first EditPart that is
	// clicked during a selection. We can use this method to notify the
	// corresponding model for this EditPart that it was the first component
	// selected.
	//
	// Left mouse button = 1
	// Middle mouse button = 2
	// Right mouse button = 3
	//
	// The current behavior here:
	//
	// If the user left-clicks, return a marquee (drag) selection. The
	// marquee actually toggles everything inside its bounds, so
	// previously-selected nodes will be de-selected.
	//
	// If the user middle-clicks, nothing happens.
	//
	// If the user right-clicks, all nodes are deselected.

	// Process right-clicks differently.
	if (req instanceof SelectionRequest
			&& ((SelectionRequest) req).getLastButtonPressed() == 3) {
		return new DeselectAllTracker(this);
	}
	// Return a custom marquee tracker here for left clicks.
	return marquee;
}
 

@Override
public DragTracker getDragTracker(final Request req) {
    if (!supportsDragSelection()) {
        return super.getDragTracker(req);
    }

    if (req instanceof SelectionRequest
            && ((SelectionRequest) req).getLastButtonPressed() == 3) {
        return new DeselectAllTracker(this) {

            @Override
            protected boolean handleButtonDown(final int button) {
                getCurrentViewer().select(CustomPoolCompartmentEditPart.this);
                return true;
            }
        };
    }
    return new CustomRubberbandDragTracker() {

        @Override
        protected void handleFinished() {
            if (getViewer().getSelectedEditParts().isEmpty()) {
                getViewer().select(CustomPoolCompartmentEditPart.this);
            }
        }
    };
}
 

@Override
public DragTracker getDragTracker(Request req) {
    if (!supportsDragSelection()) {
        return super.getDragTracker(req);
    }

    if (req instanceof SelectionRequest
            && ((SelectionRequest) req).getLastButtonPressed() == 3) {
        return new DeselectAllTracker(this) {

            @Override
            protected boolean handleButtonDown(int button) {
                getCurrentViewer().select(CustomSubprocessEventCompartmentEditPart.this);
                return true;
            }
        };
    }
    return new CustomRubberbandDragTracker() {

        @Override
        protected void handleFinished() {
            if (getViewer().getSelectedEditParts().isEmpty()) {
                getViewer().select(CustomSubprocessEventCompartmentEditPart.this);
            }
        }
    };
}