FlatDefaultsAddon: added afterDefaultsLoading() method to allow modification of UI defaults by Addons

flatlaf-core/src/main/java/com/formdev/flatlaf/FlatDefaultsAddon.java

@@ -17,6 +17,8 @@
 package com.formdev.flatlaf;
 
 import java.io.InputStream;
+import javax.swing.LookAndFeel;
+import javax.swing.UIDefaults;
 
 /**
  * Addon for FlatLaf UI defaults.
@@ -50,6 +52,13 @@ public abstract class FlatDefaultsAddon
 		return addonClass.getResourceAsStream( propertiesName );
 	}
 
+	/**
+	 * Allows modifying UI defaults after loading UI defaults.
+	 * The default implementation does nothing.
+	 */
+	public void afterDefaultsLoading( LookAndFeel laf, UIDefaults defaults ) {
+	}
+
 	/**
 	 * Returns the priority used to sort addon loading.
 	 * The order is only important if you want overwrite UI defaults of other addons.

flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java

@@ -31,8 +31,10 @@ import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Method;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.ServiceLoader;
 import java.util.function.Consumer;
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -266,12 +268,19 @@ public abstract class FlatLaf
 		initIconColors( defaults, isDark() );
 		FlatInputMaps.initInputMaps( defaults );
 
+		// get addons and sort them by priority
+		ServiceLoader<FlatDefaultsAddon> addonLoader = ServiceLoader.load( FlatDefaultsAddon.class );
+		List<FlatDefaultsAddon> addons = new ArrayList<>();
+		for( FlatDefaultsAddon addon : addonLoader )
+			addons.add( addon );
+		addons.sort( (addon1, addon2) -> addon1.getPriority() - addon2.getPriority() );
+
 		// load defaults from properties
 		List<Class<?>> lafClassesForDefaultsLoading = getLafClassesForDefaultsLoading();
 		if( lafClassesForDefaultsLoading != null )
-			UIDefaultsLoader.loadDefaultsFromProperties( lafClassesForDefaultsLoading, defaults );
+			UIDefaultsLoader.loadDefaultsFromProperties( lafClassesForDefaultsLoading, addons, defaults );
 		else
-			UIDefaultsLoader.loadDefaultsFromProperties( getClass(), defaults );
+			UIDefaultsLoader.loadDefaultsFromProperties( getClass(), addons, defaults );
 
 		// use Aqua MenuBarUI if Mac screen menubar is enabled
 		if( SystemInfo.IS_MAC && Boolean.getBoolean( "apple.laf.useScreenMenuBar" ) )
@@ -283,6 +292,10 @@ public abstract class FlatLaf
 		// apply additional defaults (e.g. from IntelliJ themes)
 		applyAdditionalDefaults( defaults );
 
+		// allow addons modifying UI defaults
+		for( FlatDefaultsAddon addon : addons )
+			addon.afterDefaultsLoading( this, defaults );
+
 		if( postInitialization != null ) {
 			postInitialization.accept( defaults );
 			postInitialization = null;

flatlaf-core/src/main/java/com/formdev/flatlaf/UIDefaultsLoader.java

@@ -28,7 +28,6 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Properties;
-import java.util.ServiceLoader;
 import java.util.function.Function;
 import java.util.logging.Level;
 import javax.swing.UIDefaults;
@@ -69,7 +68,9 @@ class UIDefaultsLoader
 	private static final String OPTIONAL_PREFIX = "?";
 	private static final String GLOBAL_PREFIX = "*.";
 
-	static void loadDefaultsFromProperties( Class<?> lookAndFeelClass, UIDefaults defaults ) {
+	static void loadDefaultsFromProperties( Class<?> lookAndFeelClass, List<FlatDefaultsAddon> addons,
+		UIDefaults defaults )
+	{
 		// determine classes in class hierarchy in reverse order
 		ArrayList<Class<?>> lafClasses = new ArrayList<>();
 		for( Class<?> lafClass = lookAndFeelClass;
@@ -79,10 +80,12 @@ class UIDefaultsLoader
 			lafClasses.add( 0, lafClass );
 		}
 
-		loadDefaultsFromProperties( lafClasses, defaults );
+		loadDefaultsFromProperties( lafClasses, addons, defaults );
 	}
 
-	static void loadDefaultsFromProperties( List<Class<?>> lafClasses, UIDefaults defaults ) {
+	static void loadDefaultsFromProperties( List<Class<?>> lafClasses, List<FlatDefaultsAddon> addons,
+		UIDefaults defaults )
+	{
 		try {
 			// load core properties files
 			Properties properties = new Properties();
@@ -94,15 +97,8 @@ class UIDefaultsLoader
 				}
 			}
 
-			// get addons and sort them by priority
-			ServiceLoader<FlatDefaultsAddon> addonLoader = ServiceLoader.load( FlatDefaultsAddon.class );
-			List<FlatDefaultsAddon> addonList = new ArrayList<>();
-			for( FlatDefaultsAddon addon : addonLoader )
-				addonList.add( addon );
-			addonList.sort( (addon1, addon2) -> addon1.getPriority() - addon2.getPriority() );
-
 			// load properties from addons
-			for( FlatDefaultsAddon addon : addonList ) {
+			for( FlatDefaultsAddon addon : addons ) {
 				for( Class<?> lafClass : lafClasses ) {
 					try( InputStream in = addon.getDefaults( lafClass ) ) {
 						if( in != null )
@@ -113,7 +109,7 @@ class UIDefaultsLoader
 
 			// collect addon class loaders
 			List<ClassLoader> addonClassLoaders = new ArrayList<>();
-			for( FlatDefaultsAddon addon : addonList ) {
+			for( FlatDefaultsAddon addon : addons ) {
 				ClassLoader addonClassLoader = addon.getClass().getClassLoader();
 				if( !addonClassLoaders.contains( addonClassLoader ) )
 					addonClassLoaders.add( addonClassLoader );