added default color palette for action icons and object icons (based on IntelliJ Platform colors)

and use color palette for file chooser icons (issue #5)

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

@@ -38,6 +38,7 @@ import javax.swing.SwingUtilities;
 import javax.swing.UIDefaults;
 import javax.swing.UIManager;
 import javax.swing.UnsupportedLookAndFeelException;
+import javax.swing.plaf.ColorUIResource;
 import javax.swing.plaf.FontUIResource;
 import javax.swing.plaf.basic.BasicLookAndFeel;
 import javax.swing.plaf.metal.MetalLookAndFeel;
@@ -192,6 +193,7 @@ public abstract class FlatLaf
 		Object aquaMenuBarUI = useScreenMenuBar ? defaults.get( "MenuBarUI" ) : null;
 
 		initFonts( defaults );
+		initColorPalette( defaults, isDark() );
 
 		// load defaults from properties
 		List<Class<?>> lafClassesForDefaultsLoading = getLafClassesForDefaultsLoading();
@@ -247,6 +249,45 @@ public abstract class FlatLaf
 		defaults.put( "MenuItem.acceleratorFont", uiFont );
 	}
 
+	/**
+	 * Adds the default color palette for action icons and object icons to the given UIDefaults.
+	 * <p>
+	 * This method is public and static to allow using the color palette with
+	 * other LaFs (e.g. Windows LaF). To do so invoke:
+	 *   {@code FlatLaf.initColorPalette( UIManager.getLookAndFeelDefaults(), false );}
+	 * after
+	 *   {@code UIManager.setLookAndFeel( ... );}.
+	 * <p>
+	 * The colors are based on IntelliJ Platform
+	 *   <a href="https://jetbrains.design/intellij/principles/icons/#action-icons">Action icons</a>
+	 * and
+	 *   <a href="https://jetbrains.design/intellij/principles/icons/#noun-icons">Noun icons</a>
+	 */
+	public static void initColorPalette( UIDefaults defaults, boolean dark ) {
+		// colors for actions
+		// see https://jetbrains.design/intellij/principles/icons/#action-icons
+		defaults.put( "Actions.Red",            new ColorUIResource( !dark ? 0xDB5860 : 0xC75450 ) );
+		defaults.put( "Actions.Yellow",         new ColorUIResource( !dark ? 0xEDA200 : 0xF0A732 ) );
+		defaults.put( "Actions.Green",          new ColorUIResource( !dark ? 0x59A869 : 0x499C54 ) );
+		defaults.put( "Actions.Blue",           new ColorUIResource( !dark ? 0x389FD6 : 0x3592C4 ) );
+		defaults.put( "Actions.Grey",           new ColorUIResource( !dark ? 0x6E6E6E : 0xAFB1B3 ) );
+		defaults.put( "Actions.GreyInline",     new ColorUIResource( !dark ? 0x7F8B91 : 0x7F8B91 ) );
+
+		// colors for objects
+		// see https://jetbrains.design/intellij/principles/icons/#noun-icons
+		defaults.put( "Objects.Grey",           new ColorUIResource( 0x9AA7B0 ) );
+		defaults.put( "Objects.Blue",           new ColorUIResource( 0x40B6E0 ) );
+		defaults.put( "Objects.Green",          new ColorUIResource( 0x62B543 ) );
+		defaults.put( "Objects.Yellow",         new ColorUIResource( 0xF4AF3D ) );
+		defaults.put( "Objects.YellowDark",     new ColorUIResource( 0xD9A343 ) );
+		defaults.put( "Objects.Purple",         new ColorUIResource( 0xB99BF8 ) );
+		defaults.put( "Objects.Pink",           new ColorUIResource( 0xF98B9E ) );
+		defaults.put( "Objects.Red",            new ColorUIResource( 0xF26522 ) );
+		defaults.put( "Objects.RedStatus",      new ColorUIResource( 0xE05555 ) );
+		defaults.put( "Objects.GreenAndroid",   new ColorUIResource( 0xA4C639 ) );
+		defaults.put( "Objects.BlackText",      new ColorUIResource( 0x231F20 ) );
+	}
+
 	private static void reSetLookAndFeel() {
 		EventQueue.invokeLater( () -> {
 			try {

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatFileChooserDetailsViewIcon.java

@@ -23,7 +23,7 @@ import javax.swing.UIManager;
 /**
  * "details view" icon for {@link javax.swing.JFileChooser}.
  *
- * @uiDefault FileChooser.icon.detailsViewColor		Color
+ * @uiDefault Actions.Grey							Color
  *
  * @author Karl Tauber
  */
@@ -31,7 +31,7 @@ public class FlatFileChooserDetailsViewIcon
 	extends FlatAbstractIcon
 {
 	public FlatFileChooserDetailsViewIcon() {
-		super( 16, 16, UIManager.getColor( "FileChooser.icon.detailsViewColor" ) );
+		super( 16, 16, UIManager.getColor( "Actions.Grey" ) );
 	}
 
 	@Override

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatFileChooserHomeFolderIcon.java

@@ -24,7 +24,7 @@ import com.formdev.flatlaf.ui.FlatUIUtils;
 /**
  * "home folder" icon for {@link javax.swing.JFileChooser}.
  *
- * @uiDefault FileChooser.icon.homeFolderColor		Color
+ * @uiDefault Actions.Grey							Color
  *
  * @author Karl Tauber
  */
@@ -32,7 +32,7 @@ public class FlatFileChooserHomeFolderIcon
 	extends FlatAbstractIcon
 {
 	public FlatFileChooserHomeFolderIcon() {
-		super( 16, 16, UIManager.getColor( "FileChooser.icon.homeFolderColor" ) );
+		super( 16, 16, UIManager.getColor( "Actions.Grey" ) );
 	}
 
 	@Override

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatFileChooserListViewIcon.java

@@ -23,7 +23,7 @@ import javax.swing.UIManager;
 /**
  * "list view" icon for {@link javax.swing.JFileChooser}.
  *
- * @uiDefault FileChooser.icon.listViewColor		Color
+ * @uiDefault Actions.Grey							Color
  *
  * @author Karl Tauber
  */
@@ -31,7 +31,7 @@ public class FlatFileChooserListViewIcon
 	extends FlatAbstractIcon
 {
 	public FlatFileChooserListViewIcon() {
-		super( 16, 16, UIManager.getColor( "FileChooser.icon.listViewColor" ) );
+		super( 16, 16, UIManager.getColor( "Actions.Grey" ) );
 	}
 
 	@Override

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatFileChooserNewFolderIcon.java

@@ -24,7 +24,7 @@ import com.formdev.flatlaf.ui.FlatUIUtils;
 /**
  * "new folder" icon for {@link javax.swing.JFileChooser}.
  *
- * @uiDefault FileChooser.icon.newFolderColor		Color
+ * @uiDefault Actions.Grey							Color
  *
  * @author Karl Tauber
  */
@@ -32,7 +32,7 @@ public class FlatFileChooserNewFolderIcon
 	extends FlatAbstractIcon
 {
 	public FlatFileChooserNewFolderIcon() {
-		super( 16, 16, UIManager.getColor( "FileChooser.icon.newFolderColor" ) );
+		super( 16, 16, UIManager.getColor( "Actions.Grey" ) );
 	}
 
 	@Override

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatFileChooserUpFolderIcon.java

@@ -16,6 +16,7 @@
 
 package com.formdev.flatlaf.icons;
 
+import java.awt.Color;
 import java.awt.Component;
 import java.awt.Graphics2D;
 import javax.swing.UIManager;
@@ -24,15 +25,18 @@ import com.formdev.flatlaf.ui.FlatUIUtils;
 /**
  * "up folder" icon for {@link javax.swing.JFileChooser}.
  *
- * @uiDefault FileChooser.icon.upFolderColor		Color
+ * @uiDefault Actions.Grey							Color
+ * @uiDefault Actions.Blue							Color
  *
  * @author Karl Tauber
  */
 public class FlatFileChooserUpFolderIcon
 	extends FlatAbstractIcon
 {
+	private final Color blueColor = UIManager.getColor( "Actions.Blue" );
+
 	public FlatFileChooserUpFolderIcon() {
-		super( 16, 16, UIManager.getColor( "FileChooser.icon.upFolderColor" ) );
+		super( 16, 16, UIManager.getColor( "Actions.Grey" ) );
 	}
 
 	@Override
@@ -47,6 +51,8 @@ public class FlatFileChooserUpFolderIcon
 		*/
 
 		g.fill( FlatUIUtils.createPath( 2,3, 5.5,3, 7,5, 9,5, 9,9, 13,9, 13,5, 14,5, 14,13, 2,13 ) );
+
+		g.setColor( blueColor );
 		g.fill( FlatUIUtils.createPath( 12,4, 12,8, 10,8, 10,4, 8,4, 11,1, 14,4, 12,4 ) );
 	}
 }

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatFileViewComputerIcon.java

@@ -25,7 +25,7 @@ import javax.swing.UIManager;
 /**
  * "computer" icon for {@link javax.swing.JFileChooser}.
  *
- * @uiDefault FileView.icon.computerColor		Color
+ * @uiDefault Objects.Grey						Color
  *
  * @author Karl Tauber
  */
@@ -33,7 +33,7 @@ public class FlatFileViewComputerIcon
 	extends FlatAbstractIcon
 {
 	public FlatFileViewComputerIcon() {
-		super( 16, 16, UIManager.getColor( "FileView.icon.computerColor" ) );
+		super( 16, 16, UIManager.getColor( "Objects.Grey" ) );
 	}
 
 	@Override

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatFileViewDirectoryIcon.java

@@ -24,7 +24,7 @@ import com.formdev.flatlaf.ui.FlatUIUtils;
 /**
  * "directory" icon for {@link javax.swing.JFileChooser}.
  *
- * @uiDefault FileView.icon.directoryColor		Color
+ * @uiDefault Objects.Grey						Color
  *
  * @author Karl Tauber
  */
@@ -32,7 +32,7 @@ public class FlatFileViewDirectoryIcon
 	extends FlatAbstractIcon
 {
 	public FlatFileViewDirectoryIcon() {
-		super( 16, 16, UIManager.getColor( "FileView.icon.directoryColor" ) );
+		super( 16, 16, UIManager.getColor( "Objects.Grey" ) );
 	}
 
 	@Override

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatFileViewFileIcon.java

@@ -24,7 +24,7 @@ import com.formdev.flatlaf.ui.FlatUIUtils;
 /**
  * "file" icon for {@link javax.swing.JFileChooser}.
  *
- * @uiDefault FileView.icon.fileColor			Color
+ * @uiDefault Objects.Grey						Color
  *
  * @author Karl Tauber
  */
@@ -32,7 +32,7 @@ public class FlatFileViewFileIcon
 	extends FlatAbstractIcon
 {
 	public FlatFileViewFileIcon() {
-		super( 16, 16, UIManager.getColor( "FileView.icon.fileColor" ) );
+		super( 16, 16, UIManager.getColor( "Objects.Grey" ) );
 	}
 
 	@Override

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatFileViewFloppyDriveIcon.java

@@ -25,7 +25,7 @@ import com.formdev.flatlaf.ui.FlatUIUtils;
 /**
  * "floppy drive" icon for {@link javax.swing.JFileChooser}.
  *
- * @uiDefault FileView.icon.floppyDriveColor		Color
+ * @uiDefault Objects.Grey							Color
  *
  * @author Karl Tauber
  */
@@ -33,7 +33,7 @@ public class FlatFileViewFloppyDriveIcon
 	extends FlatAbstractIcon
 {
 	public FlatFileViewFloppyDriveIcon() {
-		super( 16, 16, UIManager.getColor( "FileView.icon.floppyDriveColor" ) );
+		super( 16, 16, UIManager.getColor( "Objects.Grey" ) );
 	}
 
 	@Override

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatFileViewHardDriveIcon.java

@@ -25,7 +25,7 @@ import javax.swing.UIManager;
 /**
  * "hard drive" icon for {@link javax.swing.JFileChooser}.
  *
- * @uiDefault FileView.icon.hardDriveColor		Color
+ * @uiDefault Objects.Grey						Color
  *
  * @author Karl Tauber
  */
@@ -33,7 +33,7 @@ public class FlatFileViewHardDriveIcon
 	extends FlatAbstractIcon
 {
 	public FlatFileViewHardDriveIcon() {
-		super( 16, 16, UIManager.getColor( "FileView.icon.hardDriveColor" ) );
+		super( 16, 16, UIManager.getColor( "Objects.Grey" ) );
 	}
 
 	@Override

flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties

@@ -128,12 +128,6 @@ FileChooser.homeFolderIcon=com.formdev.flatlaf.icons.FlatFileChooserHomeFolderIc
 FileChooser.detailsViewIcon=com.formdev.flatlaf.icons.FlatFileChooserDetailsViewIcon
 FileChooser.listViewIcon=com.formdev.flatlaf.icons.FlatFileChooserListViewIcon
 
-FileChooser.icon.newFolderColor=@icon
-FileChooser.icon.upFolderColor=@icon
-FileChooser.icon.homeFolderColor=@icon
-FileChooser.icon.detailsViewColor=@icon
-FileChooser.icon.listViewColor=@icon
-
 
 #---- FileView ----
 
@@ -143,12 +137,6 @@ FileView.computerIcon=com.formdev.flatlaf.icons.FlatFileViewComputerIcon
 FileView.hardDriveIcon=com.formdev.flatlaf.icons.FlatFileViewHardDriveIcon
 FileView.floppyDriveIcon=com.formdev.flatlaf.icons.FlatFileViewFloppyDriveIcon
 
-FileView.icon.directoryColor=@icon
-FileView.icon.fileColor=@icon
-FileView.icon.computerColor=@icon
-FileView.icon.hardDriveColor=@icon
-FileView.icon.floppyDriveColor=@icon
-
 
 #---- FormattedTextField ----