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/*******************************************************************************
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* Copyright (c) 2000, 2010 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package org.eclipse.draw2d;
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import java.util.Iterator;
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import org.eclipse.draw2d.geometry.Rectangle;
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/**
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* A Layer that can extend in all 4 directions.
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*/
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public class FreeformLayer extends Layer implements FreeformFigure {
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private FreeformHelper helper = new FreeformHelper(this);
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/**
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* @see IFigure#add(IFigure, Object, int)
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*/
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public void add(IFigure child, Object constraint, int index) {
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super.add(child, constraint, index);
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helper.hookChild(child);
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}
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/**
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* @see FreeformFigure#addFreeformListener(FreeformListener)
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*/
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public void addFreeformListener(FreeformListener listener) {
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addListener(FreeformListener.class, listener);
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}
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/**
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* @see FreeformFigure#fireExtentChanged()
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*/
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public void fireExtentChanged() {
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Iterator iter = getListeners(FreeformListener.class);
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while (iter.hasNext())
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((FreeformListener) iter.next()).notifyFreeformExtentChanged();
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}
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/**
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* Overrides to do nothing.
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*
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* @see Figure#fireMoved()
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*/
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protected void fireMoved() {
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}
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/**
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* @see FreeformFigure#getFreeformExtent()
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*/
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public Rectangle getFreeformExtent() {
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return helper.getFreeformExtent();
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}
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/**
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* @see Figure#primTranslate(int, int)
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*/
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public void primTranslate(int dx, int dy) {
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bounds.x += dx;
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bounds.y += dy;
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}
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/**
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* @see IFigure#remove(IFigure)
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*/
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public void remove(IFigure child) {
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helper.unhookChild(child);
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super.remove(child);
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}
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/**
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* @see FreeformFigure#removeFreeformListener(FreeformListener)
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*/
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public void removeFreeformListener(FreeformListener listener) {
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removeListener(FreeformListener.class, listener);
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}
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/**
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* @see FreeformFigure#setFreeformBounds(Rectangle)
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*/
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public void setFreeformBounds(Rectangle bounds) {
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helper.setFreeformBounds(bounds);
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}
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}
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