| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.common.ui.internal.guiutils; |
| |
| |
| import org.eclipse.draw2d.ColorConstants; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.ControlAdapter; |
| import org.eclipse.swt.events.ControlEvent; |
| import org.eclipse.swt.events.DisposeEvent; |
| import org.eclipse.swt.events.DisposeListener; |
| import org.eclipse.swt.events.PaintEvent; |
| import org.eclipse.swt.events.PaintListener; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * A general purpose class for displying an image in a composite. There is no |
| * eclipse tool for doing this other than CLabl which is bulkly. |
| * |
| * This was original written by Karl Reti. |
| * |
| * @author mengbo |
| */ |
| public class ImageContainer extends Composite { |
| private Image _image = null; |
| |
| private boolean _bCleanupImage; |
| |
| /** |
| * @param parent |
| */ |
| public ImageContainer(Composite parent) { |
| super(parent, SWT.NONE);// SWT.NO_BACKGROUND );//| |
| // SWT.NO_REDRAW_RESIZE); |
| setBackground(ColorConstants.white); |
| // paint the image |
| addPaintListener(new PaintListener() { |
| public void paintControl(PaintEvent e) { |
| if (_image != null) { |
| e.gc.drawImage(_image, 0, 0); |
| } |
| } |
| |
| }); |
| |
| addControlListener(new ControlAdapter() { |
| public void controlResized(ControlEvent e) { |
| setSize(_image.getBounds().width, _image.getBounds().height); |
| } |
| }); |
| |
| // tidy up |
| addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent e) { |
| if (_bCleanupImage && _image != null && !_image.isDisposed()) { |
| _image.dispose(); |
| } |
| } |
| }); |
| } |
| |
| /** |
| * @return Returns the image. |
| */ |
| public Image getImage() { |
| return _image; |
| } |
| |
| /** |
| * @return should the image be disposed of on cleanup. Set false if the |
| * image is cached. |
| */ |
| public boolean isCleanupImage() { |
| return _bCleanupImage; |
| } |
| |
| /** |
| * @param image |
| * The image to set. |
| */ |
| public void setImage(Image image) { |
| setImage(image, false); |
| } |
| |
| /** |
| * @param image |
| * The image to set. |
| */ |
| public void setImage(Image image, boolean bCleanupImage) { |
| _image = image; |
| _bCleanupImage = bCleanupImage; |
| setSize(image.getBounds().width, image.getBounds().height); |
| } |
| } |