Testing: added "opaque" checkbox to test apps

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatChooserTest.java

@@ -28,7 +28,7 @@ public class FlatChooserTest
 	public static void main( String[] args ) {
 		SwingUtilities.invokeLater( () -> {
 			FlatTestFrame frame = FlatTestFrame.create( args, "FlatChooserTest" );
-			frame.showFrame( new FlatChooserTest() );
+			frame.showFrame( FlatChooserTest::new );
 		} );
 	}
 

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatComponents2Test.java

@@ -29,7 +29,7 @@ public class FlatComponents2Test
 	public static void main( String[] args ) {
 		SwingUtilities.invokeLater( () -> {
 			FlatTestFrame frame = FlatTestFrame.create( args, "FlatComponents2Test" );
-			frame.showFrame( new FlatComponents2Test() );
+			frame.showFrame( FlatComponents2Test::new );
 		} );
 	}
 

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatComponentsTest.java

@@ -30,7 +30,7 @@ public class FlatComponentsTest
 	public static void main( String[] args ) {
 		SwingUtilities.invokeLater( () -> {
 			FlatTestFrame frame = FlatTestFrame.create( args, "FlatComponentsTest" );
-			frame.showFrame( new FlatComponentsTest() );
+			frame.showFrame( FlatComponentsTest::new );
 		} );
 	}
 

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatContainerTest.java

@@ -19,7 +19,7 @@ public class FlatContainerTest
 	public static void main( String[] args ) {
 		SwingUtilities.invokeLater( () -> {
 			FlatTestFrame frame = FlatTestFrame.create( args, "FlatContainerTest" );
-			frame.showFrame( new FlatContainerTest() );
+			frame.showFrame( FlatContainerTest::new );
 		} );
 	}
 

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatMenusTest.java

@@ -31,7 +31,7 @@ public class FlatMenusTest
 	public static void main( String[] args ) {
 		SwingUtilities.invokeLater( () -> {
 			FlatTestFrame frame = FlatTestFrame.create( args, "FlatMenusTest" );
-			frame.showFrame( new FlatMenusTest() );
+			frame.showFrame( FlatMenusTest::new );
 		} );
 	}
 

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatOptionPaneTest.java

@@ -32,7 +32,7 @@ public class FlatOptionPaneTest
 	public static void main( String[] args ) {
 		SwingUtilities.invokeLater( () -> {
 			FlatTestFrame frame = FlatTestFrame.create( args, "FlatOptionPaneTest" );
-			frame.showFrame( new FlatOptionPaneTest() );
+			frame.showFrame( FlatOptionPaneTest::new );
 		} );
 	}
 

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatTestFrame.java

@@ -23,6 +23,7 @@ import java.awt.event.KeyEvent;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.util.function.BiConsumer;
+import java.util.function.Supplier;
 import java.util.prefs.Preferences;
 import javax.swing.*;
 import javax.swing.plaf.ColorUIResource;
@@ -33,6 +34,8 @@ import com.formdev.flatlaf.FlatDarkLaf;
 import com.formdev.flatlaf.FlatIntelliJLaf;
 import com.formdev.flatlaf.FlatLaf;
 import com.formdev.flatlaf.FlatLightLaf;
+import com.formdev.flatlaf.extras.*;
+import com.formdev.flatlaf.extras.TriStateCheckBox.State;
 import com.formdev.flatlaf.ui.FlatUIUtils;
 import com.formdev.flatlaf.util.SystemInfo;
 import com.formdev.flatlaf.util.UIScale;
@@ -49,6 +52,7 @@ public class FlatTestFrame
 	private static final String KEY_SCALE_FACTOR = "scaleFactor";
 
 	private final String title;
+	private Supplier<JComponent> contentFactory;
 	private JComponent content;
 	private FlatInspector inspector;
 
@@ -211,8 +215,9 @@ public class FlatTestFrame
 			JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT );
 	}
 
-	public void showFrame( JComponent content ) {
+	public void showFrame( Supplier<JComponent> contentFactory ) {
-		this.content = content;
+		this.contentFactory = contentFactory;
+		this.content = contentFactory.get();
 
 		contentPanel.getContentPane().add( content );
 		pack();
@@ -403,6 +408,27 @@ public class FlatTestFrame
 		}
 	}
 
+	private void opaqueChanged() {
+		State opaque = opaqueTriStateCheckBox.getState();
+		if( opaque == State.INDETERMINATE )
+			recreateContent();
+		else {
+			updateComponentsRecur( content, (c, type) -> {
+				if( c instanceof JComponent )
+					((JComponent)c).setOpaque( opaque == State.SELECTED );
+			} );
+			contentPanel.repaint();
+		}
+	}
+
+	private void recreateContent() {
+		contentPanel.getContentPane().remove( content );
+		content = contentFactory.get();
+		contentPanel.getContentPane().add( content );
+		contentPanel.revalidate();
+		contentPanel.repaint();
+	}
+
 	private void initComponents() {
 		// JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
 		dialogPane = new JPanel();
@@ -415,6 +441,7 @@ public class FlatTestFrame
 		inspectCheckBox = new JCheckBox();
 		explicitColorsCheckBox = new JCheckBox();
 		backgroundCheckBox = new JCheckBox();
+		opaqueTriStateCheckBox = new TriStateCheckBox();
 		closeButton = new JButton();
 
 		//======== this ========
@@ -450,6 +477,7 @@ public class FlatTestFrame
 					"[fill]" +
 					"[fill]" +
 					"[fill]" +
+					"[fill]" +
 					"[grow,fill]" +
 					"[button,fill]",
 					// rows
@@ -508,9 +536,15 @@ public class FlatTestFrame
 				backgroundCheckBox.addActionListener(e -> backgroundChanged());
 				buttonBar.add(backgroundCheckBox, "cell 6 0");
 
+				//---- opaqueTriStateCheckBox ----
+				opaqueTriStateCheckBox.setText("opaque");
+				opaqueTriStateCheckBox.setMnemonic('O');
+				opaqueTriStateCheckBox.addActionListener(e -> opaqueChanged());
+				buttonBar.add(opaqueTriStateCheckBox, "cell 7 0");
+
 				//---- closeButton ----
 				closeButton.setText("Close");
-				buttonBar.add(closeButton, "cell 8 0");
+				buttonBar.add(closeButton, "cell 9 0");
 			}
 			dialogPane.add(buttonBar, BorderLayout.SOUTH);
 		}
@@ -529,6 +563,7 @@ public class FlatTestFrame
 	private JCheckBox inspectCheckBox;
 	private JCheckBox explicitColorsCheckBox;
 	private JCheckBox backgroundCheckBox;
+	private TriStateCheckBox opaqueTriStateCheckBox;
 	private JButton closeButton;
 	// JFormDesigner - End of variables declaration  //GEN-END:variables
 

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatTestFrame.jfd

@@ -21,7 +21,7 @@ new FormModel {
 				} )
 				add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 					"$layoutConstraints": "insets dialog"
-					"$columnConstraints": "[fill][fill][fill][fill][fill][fill][fill][grow,fill][button,fill]"
+					"$columnConstraints": "[fill][fill][fill][fill][fill][fill][fill][fill][grow,fill][button,fill]"
 					"$rowSpecs": "[fill]"
 				} ) {
 					name: "buttonBar"
@@ -99,11 +99,19 @@ new FormModel {
 					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 						"value": "cell 6 0"
 					} )
+					add( new FormComponent( "com.formdev.flatlaf.extras.TriStateCheckBox" ) {
+						name: "opaqueTriStateCheckBox"
+						"text": "opaque"
+						"mnemonic": 79
+						addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "opaqueChanged", false ) )
+					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+						"value": "cell 7 0"
+					} )
 					add( new FormComponent( "javax.swing.JButton" ) {
 						name: "closeButton"
 						"text": "Close"
 					}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-						"value": "cell 8 0"
+						"value": "cell 9 0"
 					} )
 				}, new FormLayoutConstraints( class java.lang.String ) {
 					"value": "South"

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/extras/FlatExtrasTest.java

@@ -30,7 +30,7 @@ public class FlatExtrasTest
 	public static void main( String[] args ) {
 		SwingUtilities.invokeLater( () -> {
 			FlatTestFrame frame = FlatTestFrame.create( args, "FlatExtrasTest" );
-			frame.showFrame( new FlatExtrasTest() );
+			frame.showFrame( FlatExtrasTest::new );
 		} );
 	}
 

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/swingx/FlatSwingXTest.java

@@ -35,7 +35,7 @@ public class FlatSwingXTest
 		SwingUtilities.invokeLater( () -> {
 			FlatTestFrame frame = FlatTestFrame.create( args, "FlatSwingXTest" );
 			frame.useApplyComponentOrientation = true;
-			frame.showFrame( new FlatSwingXTest() );
+			frame.showFrame( FlatSwingXTest::new );
 		} );
 	}