update/org.eclipse.update.ui.forms/src/org/eclipse/update/ui/forms/internal/FormButton.java

package org.eclipse.update.ui.forms.internal;
/*
 * (c) Copyright IBM Corp. 2000, 2001.
 * All Rights Reserved.
 */

import org.eclipse.swt.events.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.graphics.*;

public class FormButton {
	private Button button;
	private Image image;
	private FormWidgetFactory factory;
	private Image hoverImage;
	private boolean inside;
	private Image disabledImage;

public FormButton(Button button, FormWidgetFactory factory) {
	this.button = button;
	this.factory = factory;
	button.addMouseTrackListener(new MouseTrackAdapter() {
		public void mouseEnter(MouseEvent e) {
			inside=true;
			updateImage();
		}
		public void mouseExit(MouseEvent e) {
			inside=false;
			updateImage();
		}
	});
}
public Button getButton() {
	return button;
}
public Image getDisabledImage() {
	return disabledImage;
}
public Image getHoverImage() {
	return hoverImage;
}
public Image getImage() {
	return image;
}
public void setDisabledImage(Image newDisabledImage) {
	disabledImage = newDisabledImage;
}
public void setEnabled(boolean enabled) {
	button.setEnabled(enabled);
	updateImage();
}
public void setHoverImage(Image newHoverImage) {
	hoverImage = newHoverImage;
}
public void setImage(Image newImage) {
	image = newImage;
	if (hoverImage==null) hoverImage = image;
	if (disabledImage==null) disabledImage = image;
	updateImage();
}
public void updateImage() {
	boolean enabled = button.isEnabled();
	if (enabled == false) {
		button.setImage(disabledImage);
	} else {
		if (inside) {
			button.setCursor(factory.getHyperlinkCursor());
			button.setImage(hoverImage);
		} else {
			button.setCursor(null);
			button.setImage(image);
		}
	}
}
}