/**
* $RCSfile: ,v $
* $Revision: $
* $Date: $
*
* Copyright (C) 2004-2011 Jive Software. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.fastpath.workspace.panes;
import org.jivesoftware.resource.Default;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.LayoutManager;
import java.awt.geom.AffineTransform;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
/**
* An implementation of a colored background panel. Allows implementations
* to specify an image to use in the background of the panel.
*/
public class BackgroundPane extends JPanel {
private static final long serialVersionUID = 1L;
private ImageIcon backgroundImage;
/**
* Creates a background panel using the default Spark background image.
*/
public BackgroundPane() {
backgroundImage = Default.getImageIcon(Default.TOP_BOTTOM_BACKGROUND_IMAGE);
}
/**
* Creates a new background panel based on the icon specified.
*
* @param icon the icon to use in the background.
*/
public BackgroundPane(ImageIcon icon) {
this.backgroundImage = icon;
}
/**
* Creates a new background panel with the specified layout.
*
* @param layout the type of layout to use with this panel. Note: The icon
* used will be the default Spark background image.
*/
public BackgroundPane(LayoutManager layout) {
super(layout);
backgroundImage = new ImageIcon(getClass().getResource("/images/gray-background.png"));
}
/**
* Specifies the new image to use as the background image in this panel.
*
* @param image the new image to use.
*/
public void setBackgroundImage(ImageIcon image) {
this.backgroundImage = image;
}
public void paintComponent(Graphics g) {
Image backgroundImage = this.backgroundImage.getImage();
double scaleX = getWidth() / (double)backgroundImage.getWidth(null);
double scaleY = getHeight() / (double)backgroundImage.getHeight(null);
AffineTransform xform = AffineTransform.getScaleInstance(scaleX, scaleY);
((Graphics2D)g).drawImage(backgroundImage, xform, this);
}
}