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/* @test
@bug 6860433
@summary Tests various techniques of Nimbus color customization
@author Peter Zhelezniakov
@run main ColorCustomizationTest
*/
import com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.plaf.ColorUIResource;
import javax.swing.plaf.synth.Region;
public class ColorCustomizationTest
{
final static int WIDTH = 200;
final static int HEIGHT = 100;
static NimbusLookAndFeel nimbus;
final JLabel label;
final Graphics g;
ColorCustomizationTest() {
label = new JLabel();
label.setSize(200, 100);
g = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_ARGB).getGraphics();
}
public static void main(String[] args) throws Exception {
nimbus = new NimbusLookAndFeel();
try {
UIManager.setLookAndFeel(nimbus);
} catch (UnsupportedLookAndFeelException e) {
throw new Error("Unable to set Nimbus LAF");
}
SwingUtilities.invokeAndWait(new Runnable() {
@Override public void run() {
new ColorCustomizationTest().test();
}
});
}
void check(Color c) {
SwingUtilities.updateComponentTreeUI(label);
label.paint(g);
if (label.getBackground().getRGB() != c.getRGB()) {
System.err.println("Color mismatch!");
System.err.println(" found: " + label.getBackground());
System.err.println(" expected: " + c);
throw new RuntimeException("Test failed");
}
}
void test() {
testOverrides();
testInheritance();
testNames();
testBaseColor();
}
void testOverrides() {
Color defaultColor = label.getBackground();
// override default background
UIDefaults defs = new UIDefaults();
defs.put("Label.background", new ColorUIResource(Color.RED));
label.putClientProperty("Nimbus.Overrides", defs);
check(Color.RED);
// change overriding color
defs = new UIDefaults();
defs.put("Label.background", new ColorUIResource(Color.GREEN));
label.putClientProperty("Nimbus.Overrides", defs);
check(Color.GREEN);
// remove override
label.putClientProperty("Nimbus.Overrides", null);
check(defaultColor);
}
void testInheritance() {
Color defaultColor = label.getBackground();
// more specific setting is in global defaults
UIManager.put("Label[Enabled].background", new ColorUIResource(Color.RED));
// less specific one is in overrides
UIDefaults defs = new UIDefaults();
defs.put("Label.background", new ColorUIResource(Color.GREEN));
// global wins
label.putClientProperty("Nimbus.Overrides", defs);
check(Color.RED);
// now override wins
label.putClientProperty("Nimbus.Overrides.InheritDefaults", false);
check(Color.GREEN);
// global is back
label.putClientProperty("Nimbus.Overrides.InheritDefaults", true);
check(Color.RED);
// back to default color
UIManager.put("Label[Enabled].background", null);
label.putClientProperty("Nimbus.Overrides.InheritDefaults", false);
label.putClientProperty("Nimbus.Overrides", null);
check(defaultColor);
}
void testNames() {
Color defaultColor = label.getBackground();
UIManager.put("\"BlueLabel\"[Enabled].background",
new ColorUIResource(Color.BLUE));
UIManager.put("\"RedLabel\"[Enabled].background",
new ColorUIResource(Color.RED));
nimbus.register(Region.LABEL, "\"BlueLabel\"");
nimbus.register(Region.LABEL, "\"RedLabel\"");
label.setName("BlueLabel");
check(Color.BLUE);
label.setName("RedLabel");
check(Color.RED);
// remove name, color goes back to default
label.setName(null);
check(defaultColor);
}
void testBaseColor() {
UIManager.put("control", Color.GREEN);
check(Color.GREEN);
}
}