| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.draw2d; |
| |
| import org.eclipse.draw2d.geometry.Rectangle; |
| |
| /** |
| * A figure that allows its children to extend into negative coordinates. This |
| * figure must be placed in a {@link org.eclipse.draw2d.FreeformViewport}. Also, |
| * you shouldn't call {@link IFigure#setBounds(Rectangle)} on this figure. The |
| * bounds will be calculated based on the extent of its children. A |
| * FreeformFigure's bounds will be the smallest rectangle that will contain all |
| * of its children. |
| */ |
| public interface FreeformFigure extends IFigure { |
| |
| /** |
| * Adds a FreeformListener to this FreeformFigure. |
| * |
| * @param listener |
| * the listener |
| */ |
| void addFreeformListener(FreeformListener listener); |
| |
| /** |
| * Notifies listeners that the freeform extent (i.e. bounds) has changed. |
| */ |
| void fireExtentChanged(); |
| |
| /** |
| * Returns the freeform extent, essentially the bounds of the |
| * FreeformFigure. This is based on the extent of its children. |
| * |
| * @return the freeform extent |
| */ |
| Rectangle getFreeformExtent(); |
| |
| /** |
| * Removes the given listener from this FreeformFigure. |
| * |
| * @param listener |
| * the listener |
| */ |
| void removeFreeformListener(FreeformListener listener); |
| |
| /** |
| * Sets the freeform bounds of this FreeformFigure. |
| * |
| * @param bounds |
| * the new freeform bounds |
| */ |
| void setFreeformBounds(Rectangle bounds); |
| |
| } |