| /****************************************************************************** |
| * Copyright (c) 2002, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| ****************************************************************************/ |
| |
| package org.eclipse.gmf.runtime.diagram.ui.internal.handles; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.draw2d.Cursors; |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.draw2d.PositionConstants; |
| import org.eclipse.draw2d.RelativeLocator; |
| import org.eclipse.draw2d.geometry.Dimension; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.gef.DragTracker; |
| import org.eclipse.gef.handles.AbstractHandle; |
| import org.eclipse.gef.tools.ResizeTracker; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.ResizableCompartmentEditPart; |
| import org.eclipse.gmf.runtime.diagram.ui.figures.BorderedNodeFigure; |
| import org.eclipse.gmf.runtime.diagram.ui.figures.ResizableCompartmentFigure; |
| import org.eclipse.gmf.runtime.draw2d.ui.mapmode.MapModeUtil; |
| |
| /** |
| * Creates a non-visual resize handle for the given <code>ResizableCompartmentEditPart</code>. |
| * @param owner The <code>GraphicalEditPart</code> owner. |
| * |
| * @author jcorchis |
| * @canBeSeenBy org.eclipse.gmf.runtime.diagram.ui.* |
| * @author melaasar |
| */ |
| public class CompartmentResizeHandle extends AbstractHandle { |
| |
| private int location = PositionConstants.NORTH; |
| |
| /** |
| * Constructs an instance of a resize handle for a resizable compartment. |
| * @param owner The edit part which own's the compartment resize handle |
| */ |
| public CompartmentResizeHandle(IGraphicalEditPart owner, int location) { |
| setOwner(owner); |
| this.location = location; |
| setLocator(new RelativeLocator(owner.getFigure(), location)); |
| setCursor(Cursors.getDirectionalCursor(location)); |
| } |
| |
| /** |
| * @return the drag tracker for the resizable edit part |
| */ |
| protected DragTracker createDragTracker() { |
| // TODO Eclipse 3.0 Check |
| return new ResizeTracker(getOwner(), location) { |
| protected List createOperationSet() { |
| return Collections.singletonList(getOwner()); |
| } |
| }; |
| } |
| |
| /** |
| * @see org.eclipse.draw2d.IFigure#getPreferredSize(int, int) |
| */ |
| public Dimension getPreferredSize(int wHint, int hHint) { |
| Rectangle rect = getOwnerFigure().getBounds().getCopy(); |
| |
| MapModeUtil.getMapMode(getOwnerFigure()).LPtoDP(rect); |
| if ((location & PositionConstants.NORTH_SOUTH) != 0) |
| return new Dimension(rect.width, 3); |
| else |
| return new Dimension(3, rect.height); |
| } |
| |
| |
| protected IFigure getCompartmentFigure() |
| { |
| if (getOwner() instanceof ResizableCompartmentEditPart) { |
| return ((ResizableCompartmentEditPart)getOwner()).getCompartmentFigure(); |
| } |
| else if( getOwner().getFigure() instanceof BorderedNodeFigure ){ |
| return ((BorderedNodeFigure)getOwner().getFigure()).getMainFigure(); |
| } |
| |
| return getOwner().getFigure(); |
| } |
| |
| /** |
| * @see org.eclipse.draw2d.IFigure#containsPoint(int, int) |
| */ |
| public boolean containsPoint(int x, int y) { |
| if (super.containsPoint(x, y)) { |
| ResizableCompartmentFigure f = |
| (ResizableCompartmentFigure) getCompartmentFigure(); |
| boolean before = (location & PositionConstants.NORTH_WEST) != 0; |
| return f.getAdjacentSibling(before) != null; |
| } |
| return false; |
| } |
| |
| } |