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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package test;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.LinearGradientPaint;
import java.awt.RenderingHints;
import java.awt.Stroke;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.lang.ref.WeakReference;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.table.DefaultTableModel;
/**
* @param T The type of the targeted component.
* @author fabriceb
*/
public class WaitingPane<T extends Component> extends JComponent implements ComponentListener {
private static final long serialVersionUID = 1L;
private static final Color DEFAULT_BACKGROUND = new Color(0, 0, 0, 128);
private BufferedImage image;
private Stroke stroke = new BasicStroke(2f);
private RoundRectangle2D progressBar = new RoundRectangle2D.Float();
private LinearGradientPaint gradient;
private WeakReference<T> target;
/** Creates a new instance.
* @param component The target component.
*/
public WaitingPane(T component) {
target = new WeakReference<T>(component);
addComponentListener(this);
setBackground(DEFAULT_BACKGROUND);
setForeground(Color.WHITE);
}
/** Recalculate size and stuff; recreate images.
*/
private void recalculate() {
Dimension size = getSize();
Insets insets = getInsets();
int width = size.width - (insets.left + insets.right);
int height = size.height - (insets.top + insets.bottom);
float rectX = width / 3f;
float rectY = 2 * height / 3f;
float rectWidth = rectX;
float rectHeight = Math.min(height / 3f, 20);
float rectArcWidth = rectHeight / 2f;
float rectArcHeight = rectArcWidth;
progressBar.setRoundRect(rectX, rectY, rectWidth, rectHeight, rectArcWidth, rectArcHeight);
gradient = new LinearGradientPaint(rectX, 0, rectX + rectWidth / 2f, 0, new float[]{0f, 1f}, new Color[]{Color.BLUE, Color.CYAN}, LinearGradientPaint.CycleMethod.REFLECT);
T component = (target != null) ? target.get() : null;
if ((component != null) && (component.isDisplayable())) {
// We use a half-size image only.
int imageWidth = component.getWidth() / 2;
int imageHeight = component.getHeight() / 2;
if ((imageWidth != 0) && (imageHeight != 0)) {
image = GraphicsUtilities.createCompatibleImage(imageWidth, imageHeight);
Graphics2D g = image.createGraphics();
try {
g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
if (!component.isOpaque()) {
g.setColor(Color.GRAY);
g.fillRect(0, 0, imageWidth, imageHeight);
}
g.scale(0.5, 0.5);
component.paint(g);
}
finally {
g.dispose();
}
// Gaussian blur.
GaussianBlurFilter gb = new GaussianBlurFilter(5);
image = gb.filter(image, null);
}
}
}
/** {@inheritDoc}
*/
@Override
protected void paintComponent(Graphics g) {
Dimension size = getSize();
Insets insets = getInsets();
int width = size.width - (insets.left + insets.right);
int height = size.height - (insets.top + insets.bottom);
Graphics2D g2d = (Graphics2D) g.create(insets.left, insets.top, width, height);
try {
draw(g2d, width, height);
}
finally {
g2d.dispose();
}
}
private void draw(Graphics2D g, double width, double height) {
g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
if (image != null) {
g.drawImage(image, 0, 0, (int) Math.ceil(width), (int) Math.ceil(height), null);
}
g.setColor(getBackground());
g.fillRect(0, 0, (int) Math.ceil(width), (int) Math.ceil(height));
g.setPaint(gradient);
g.fill(progressBar);
g.setColor(getForeground());
g.setStroke(stroke);
g.draw(progressBar);
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
SwingUtilities.invokeLater(new Runnable() {
public void run() {
try{
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch (Exception e) {
e.printStackTrace();
}
DefaultTableModel tableModel = new DefaultTableModel();
tableModel.addColumn("Name");
tableModel.addColumn("Price");
tableModel.addColumn("Quantity");
tableModel.addColumn("Tax");
tableModel.addColumn("Weight");
tableModel.addColumn("Available");
tableModel.addRow(new Object[]{"Guild Wars Prophecies", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
tableModel.addRow(new Object[]{"Guild Wars Factions", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
tableModel.addRow(new Object[]{"Guild Wars Nightfall", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
tableModel.addRow(new Object[]{"Guild Wars Eye of the North", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
tableModel.addRow(new Object[]{"World of Warcraft", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
tableModel.addRow(new Object[]{"World of Warcraft The Burning Crusade", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
tableModel.addRow(new Object[]{"World of Warcraft Wrath of the Liche King", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
tableModel.addRow(new Object[]{"The Legend of Zelda Twilight Princess", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
tableModel.addRow(new Object[]{"The Legend of Zelda Phantom Hourglass", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
tableModel.addRow(new Object[]{"Unreal Tournament III", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
tableModel.addRow(new Object[]{"Crysis", "$120.00", "1", "0.03", "0.001", Boolean.TRUE});
JTable table = new JTable(tableModel);
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
JScrollPane tableScroll = new JScrollPane(table);
JFrame frame = new JFrame("Test");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new GridLayout(1, 2));
frame.add(tableScroll);
frame.add(new WaitingPane<JComponent>(tableScroll));
frame.setSize(500, 200);
frame.setVisible(true);
}
});
}
///////////////////////
// Event management. //
///////////////////////
/** {@inheritDoc}
*/
public void componentResized(ComponentEvent event) {
image = null;
recalculate();
repaint();
}
/** {@inheritDoc}
*/
public void componentMoved(ComponentEvent event) {
}
/** {@inheritDoc}
*/
public void componentShown(ComponentEvent event) {
recalculate();
repaint();
}
/** {@inheritDoc}
*/
public void componentHidden(ComponentEvent event) {
image = null;
}
} |
