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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 org.eclipse.draw2d.geometry.Rectangle;
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/**
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* @deprecated this class is not used
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*/
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public abstract class SubordinateUpdateManager extends UpdateManager {
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/**
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* A root figure.
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*/
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protected IFigure root;
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/**
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* A graphics source
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*/
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protected GraphicsSource graphicsSource;
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/**
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* @see UpdateManager#addDirtyRegion(IFigure, int, int, int, int)
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*/
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public void addDirtyRegion(IFigure f, int x, int y, int w, int h) {
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if (getSuperior() == null)
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return;
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getSuperior().addDirtyRegion(f, x, y, w, h);
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}
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/**
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* @see UpdateManager#addInvalidFigure(IFigure)
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*/
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public void addInvalidFigure(IFigure f) {
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UpdateManager um = getSuperior();
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if (um == null)
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return;
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um.addInvalidFigure(f);
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}
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/**
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* Returns the host figure.
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*
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* @return the host figure
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*/
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protected abstract IFigure getHost();
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/**
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* Returns the superior update manager.
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*
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* @return the superior
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*/
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protected UpdateManager getSuperior() {
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if (getHost().getParent() == null)
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return null;
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return getHost().getParent().getUpdateManager();
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}
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/**
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* @see UpdateManager#performUpdate()
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*/
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public void performUpdate() {
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UpdateManager um = getSuperior();
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if (um == null)
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return;
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um.performUpdate();
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}
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/**
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* @see UpdateManager#performUpdate(Rectangle)
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*/
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public void performUpdate(Rectangle rect) {
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UpdateManager um = getSuperior();
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if (um == null)
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return;
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um.performUpdate(rect);
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}
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/**
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* @see UpdateManager#setRoot(IFigure)
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*/
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public void setRoot(IFigure f) {
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root = f;
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}
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/**
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* @see UpdateManager#setGraphicsSource(GraphicsSource)
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*/
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public void setGraphicsSource(GraphicsSource gs) {
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graphicsSource = gs;
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}
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}
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