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Extras: FlatInspector: fixed missing "UI" row on Java 9+

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This commit is contained in:
Karl Tauber
2021-06-27 23:19:36 +02:00
parent d557cf5427
commit f1f7a2e7b6
1 changed files with 13 additions and 3 deletions
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16
flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatInspector.java
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@@ -44,6 +44,7 @@ import java.awt.event.WindowListener;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import javax.swing.AbstractButton;
import javax.swing.JComponent;
import javax.swing.JLayeredPane;
@@ -64,6 +65,7 @@ import javax.swing.plaf.UIResource;
import javax.swing.text.JTextComponent;
import com.formdev.flatlaf.FlatClientProperties;
import com.formdev.flatlaf.ui.FlatUIUtils;
import com.formdev.flatlaf.util.SystemInfo;
import com.formdev.flatlaf.util.UIScale;
/**
@@ -478,9 +480,17 @@ public class FlatInspector
if( c instanceof JComponent ) {
try {
Field f = JComponent.class.getDeclaredField( "ui" );
f.setAccessible( true );
Object ui = f.get( c );
Object ui;
if( SystemInfo.isJava_9_orLater ) {
// Java 9+: use public method JComponent.getUI()
Method m = JComponent.class.getMethod( "getUI" );
ui = m.invoke( c );
} else {
// Java 8: read protected field 'ui'
Field f = JComponent.class.getDeclaredField( "ui" );
f.setAccessible( true );
ui = f.get( c );
}
appendRow( buf, "UI", (ui != null ? toString( ui.getClass(), classHierarchy ) : "null") );
} catch( Exception ex ) {
// ignore