refs 1841

org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/annotation/AnnotationViewPartBase.java

@@ -17,11 +17,16 @@ $Id$
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.base.ui.annotation;
 
+import static org.eclipse.swt.SWT.COLOR_DARK_GRAY;
+
 import java.util.List;
 
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
 import org.eclipse.ui.ISelectionListener;
 import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.part.ViewPart;
@@ -41,6 +46,12 @@ import org.fortiss.tooling.kernel.ui.util.SelectionUtils;
 public abstract class AnnotationViewPartBase<T extends EObject, V extends IAnnotatedSpecification>
 		extends ViewPart implements ISelectionListener {
 
+	/** Color of the selected component */
+	protected Color currentlySelectedColor = Display.getCurrent().getSystemColor(SWT.COLOR_CYAN);
+
+	/** Color of non editable components */
+	protected Color notEditibleColor = Display.getCurrent().getSystemColor(COLOR_DARK_GRAY);
+
 	/** The currently selected Object */
 	private T currentlySelectedObject;
 
@@ -67,7 +78,8 @@ public abstract class AnnotationViewPartBase<T extends EObject, V extends IAnnot
 				currentlySelectedObject = (T)editPart.getModel();
 		}
 
-		if(currentlySelectedObject != null) {
+		if(currentlySelectedObject instanceof EObject &&
+				isAcceptedSelection(currentlySelectedObject)) {
 			addAll();
 			annotatedSpecification = extractAnnotatedSpecification();
 			onUpdateView();
@@ -104,6 +116,9 @@ public abstract class AnnotationViewPartBase<T extends EObject, V extends IAnnot
 	/** Returns all annotated specs of Type V */
 	protected abstract List<V> getAllAnnotatedSpecs();
 
+	/** called every time the view is updated */
 	protected abstract void onUpdateView();
 
+	protected abstract boolean isAcceptedSelection(EObject object);
+
 }