https://sourceforge.net/tracker/?func=detail&aid=2791068&group_id=176962&atid=955896

zkwebui/WEB-INF/src/org/adempiere/webui/component/EditorBox.java

@@ -133,7 +133,7 @@ public class EditorBox extends Div {
 	 * @return boolean
 	 */
 	public boolean isEnabled() {
-		return txt.isReadonly();
+		return !txt.isReadonly();
 	}
 
 	/**

zkwebui/WEB-INF/src/org/adempiere/webui/component/Label.java

@@ -90,7 +90,7 @@ public class Label extends org.zkoss.zul.Label
 
 	private void createMandatoryDecorator() {
 		decorator = new Label("*");
-		((Label)decorator).setStyle("text-decoration: none; font-size: xx-small; vertical-align: top;");
+		((Label)decorator).setSclass("mandatory-decorator-text");
 	}
 
 	/**

zkwebui/WEB-INF/src/org/adempiere/webui/editor/WDateEditor.java

@@ -140,17 +140,6 @@ public class WDateEditor extends WEditor
     	//
     }
 
-    @Override
-    public boolean isMandatory()
-    {
-        return false;
-    }
-
-    @Override
-    public void setMandatory(boolean mandatory)
-    {
-    }
-
     @Override
     public void setValue(Object value)
     {

zkwebui/WEB-INF/src/org/adempiere/webui/editor/WDatetimeEditor.java

@@ -132,17 +132,6 @@ public class WDatetimeEditor extends WEditor
     	//
     }
 
-    @Override
-    public boolean isMandatory()
-    {
-        return false;
-    }
-
-    @Override
-    public void setMandatory(boolean mandatory)
-    {
-    }
-
     @Override
     public void setValue(Object value)
     {

zkwebui/WEB-INF/src/org/adempiere/webui/editor/WEditor.java

@@ -425,7 +425,7 @@ public abstract class WEditor implements EventListener, PropertyChangeListener
     {
         this.mandatory = mandatory;
         if (label != null)
-        	label.setMandatory(mandatory);
+        	label.setMandatory(mandatory && isReadWrite());
     }
 
     /**

zkwebui/WEB-INF/src/org/adempiere/webui/editor/WTimeEditor.java

@@ -123,17 +123,6 @@ public class WTimeEditor extends WEditor
     	//
     }
 
-    @Override
-    public boolean isMandatory()
-    {
-        return false;
-    }
-
-    @Override
-    public void setMandatory(boolean mandatory)
-    {
-    }
-
     @Override
     public void setValue(Object value)
     {

zkwebui/WEB-INF/src/org/adempiere/webui/panel/ADTabpanel.java

@@ -551,10 +551,7 @@ DataStatusListener, IADTabpanel, VetoableChangeListener
                     	comp.dynamicDisplay();
                         boolean rw = mField.isEditable(true);   //  r/w - check Context
                         comp.setReadWrite(rw);
-                        if (comp.getLabel() != null)
+                        comp.setMandatory(mField.isMandatory(true));    //  check context
-                        {
-                        	comp.setMandatory(mField.isMandatory(true));    //  check context
-                        }
                     }
                 }
                 else if (comp.isVisible())

zkwebui/theme/default/css/theme.css.dsp

@@ -375,3 +375,7 @@ input:focus, textarea:focus, .z-combobox-inp:focus, z-datebox-inp:focus {
 	border: 1px solid #7F9DB9;
 	margin-right: -17px;
 }
+
+.mandatory-decorator-text {
+	text-decoration: none; font-size: xx-small; vertical-align: top; color:red;
+}