Theme Editor: added basic auto-complete for keys

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/uidefaults/UIDefaultsDump.java

@@ -120,6 +120,9 @@ public class UIDefaultsDump
 //		}
 
 //		dumpIntelliJThemes( dir );
+
+		// dump UI keys
+		UIDefaultsKeysDump.main( new String[0] );
 	}
 
 	@SuppressWarnings( "unused" )

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/uidefaults/UIDefaultsKeysDump.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2020 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.testing.uidefaults;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Locale;
+import javax.swing.UIDefaults;
+import javax.swing.UIManager;
+import com.formdev.flatlaf.*;
+
+/**
+ * Collects all FlatLaf UI defaults keys and dumps them to a file.
+ *
+ * @author Karl Tauber
+ */
+public class UIDefaultsKeysDump
+{
+	public static void main( String[] args ) {
+		Locale.setDefault( Locale.ENGLISH );
+		System.setProperty( "sun.java2d.uiScale", "1x" );
+		System.setProperty( FlatSystemProperties.UI_SCALE, "1x" );
+
+		File keysFile = new File( "../flatlaf-theme-editor/src/main/resources/com/formdev/flatlaf/themeeditor/FlatLafUIKeys.txt" );
+
+		HashSet<String> keys = new HashSet<>();
+
+		collectKeys( FlatLightLaf.class.getName(), keys );
+		collectKeys( FlatDarkLaf.class.getName(), keys );
+		collectKeys( FlatIntelliJLaf.class.getName(), keys );
+		collectKeys( FlatDarculaLaf.class.getName(), keys );
+
+		try( Writer fileWriter = new BufferedWriter( new FileWriter( keysFile ) ) ) {
+			String[] sortedKeys = keys.toArray( new String[keys.size()] );
+			Arrays.sort( sortedKeys );
+			for( String key : sortedKeys ) {
+				fileWriter.write( key );
+				fileWriter.write( "\n" );
+			}
+		} catch( IOException ex ) {
+			ex.printStackTrace();
+		}
+	}
+
+	private static void collectKeys( String lookAndFeelClassName, HashSet<String> keys ) {
+		try {
+			UIManager.setLookAndFeel( lookAndFeelClassName );
+		} catch( Exception ex ) {
+			ex.printStackTrace();
+			return;
+		}
+
+		UIDefaults defaults = UIManager.getLookAndFeel().getDefaults();
+
+		for( Object key : defaults.keySet() ) {
+			if( key instanceof String )
+				keys.add( (String) key );
+		}
+	}
+}