Update view only when it is raised. This will hide the performance problems of...

Update view only when it is raised. This will hide the performance problems of the view in the most typical configuration (where the annotation view is not visible)
refs 3145

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

@@ -37,8 +37,11 @@ import org.eclipse.gef.editparts.AbstractGraphicalEditPart;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.IPartListener2;
 import org.eclipse.ui.ISelectionListener;
 import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchPartReference;
+import org.eclipse.ui.IWorkbenchPartSite;
 import org.eclipse.ui.part.ViewPart;
 import org.fortiss.tooling.base.annotation.AnnotationEntry;
 import org.fortiss.tooling.base.annotation.IAnnotationValueService;
@@ -60,7 +63,7 @@ import org.fortiss.tooling.kernel.service.IPersistencyService;
  * @author barner
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating GREEN Hash: EE75EE9DA08E49EF36E644324B35D0B0
+ * @ConQAT.Rating YELLOW Hash: ABA34824715CBD59797ACBADB1163534
  */
 public abstract class AnnotationViewPartBase extends ViewPart implements ISelectionListener,
 		IAnnotationViewPart {
@@ -302,7 +305,53 @@ public abstract class AnnotationViewPartBase extends ViewPart implements ISelect
 	/** {@inheritDoc} */
 	@Override
 	public void createPartControl(Composite parent) {
-		getSite().getWorkbenchWindow().getSelectionService().addSelectionListener(this);
+		final IWorkbenchPartSite site = getSite();
+		site.getWorkbenchWindow().getSelectionService().addSelectionListener(this);
+		site.getPage().addPartListener(new IPartListener2() {
+			@Override
+			public void partActivated(IWorkbenchPartReference partRef) {
+				// Nothing to do
+			}
+
+			@Override
+			public void partBroughtToTop(IWorkbenchPartReference partRef) {
+				// Nothing to do
+			}
+
+			@Override
+			public void partClosed(IWorkbenchPartReference partRef) {
+				// Nothing to do
+			}
+
+			@Override
+			public void partDeactivated(IWorkbenchPartReference partRef) {
+				// Nothing to do
+			}
+
+			@Override
+			public void partOpened(IWorkbenchPartReference partRef) {
+				// Nothing to do
+			}
+
+			@Override
+			public void partHidden(IWorkbenchPartReference partRef) {
+				if(partRef.getId().equals(IAnnotationViewPart.ANNOTATION_VIEW_ID)) {
+					setUpdateEnabled(false);
+				}
+			}
+
+			@Override
+			public void partVisible(IWorkbenchPartReference partRef) {
+				if(partRef.getId().equals(IAnnotationViewPart.ANNOTATION_VIEW_ID)) {
+					setUpdateEnabled(true);
+				}
+			}
+
+			@Override
+			public void partInputChanged(IWorkbenchPartReference partRef) {
+				// Nothing to do
+			}
+		});
 	}
 
 	/** {@inheritDoc} */