integrated change described in this thread to the ColorRGBAPropertyEditor

http://hub.jmonkeyengine.org/t/colorrgbapropertyeditor-a-little-improvement/31552

sdk/jme3-core/src/com/jme3/gde/core/properties/ColorRGBADialog.java

@@ -53,6 +53,7 @@ public class ColorRGBADialog extends javax.swing.JDialog {
         super(parent, modal);
         this.editor = editor;
         initComponents();
+        jColorChooser1.setColor(new Color(((ColorRGBA)editor.getValue()).asIntARGB()));
         alphaSlider.setValue(Math.round(((ColorRGBA)editor.getValue()).getAlpha()*100));
     }
 

sdk/jme3-core/src/com/jme3/gde/core/properties/ColorRGBAPropertyEditor.java

@@ -52,20 +52,32 @@ public class ColorRGBAPropertyEditor implements PropertyEditor {
 
     public void setValue(Object value) {
         if (value instanceof ColorRGBA) {
+            if (color == null) {
+                color = new ColorRGBA((ColorRGBA) value);
+            } else {
                 color.set((ColorRGBA) value);
             }
         }
+    }
 
     public Object getValue() {
         return color;
     }
 
     public boolean isPaintable() {
-        return false;
+        return true;
     }
 
     public void paintValue(Graphics gfx, Rectangle box) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        final int width = box.height - 2;
+        final int height = box.height - 2;
+        java.awt.Color oldColor = gfx.getColor();
+        gfx.setColor(java.awt.Color.BLACK);
+        gfx.drawRect(box.x, box.y + 1, width, height);
+        gfx.setColor(new java.awt.Color(color.asIntARGB(), true));
+        gfx.fillRect(box.x + 1, box.y + 2, width - 1, height - 1);
+        gfx.setColor(oldColor);
+        gfx.drawString(getAsText(), box.x + width + 5, box.y + (box.height / 2) + 4);
     }
 
     public String getJavaInitializationString() {