eclipse/runtime/org.argeo.eclipse.ui.jcr/src/main/java/org/argeo/eclipse/ui/jcr/AsyncUiEventListener.java

   1 package org.argeo.eclipse.ui.jcr;
   2
   3 import javax.jcr.observation.EventIterator;
   4 import javax.jcr.observation.EventListener;
   5
   6 import org.eclipse.core.runtime.IProgressMonitor;
   7 import org.eclipse.core.runtime.IStatus;
   8 import org.eclipse.core.runtime.Status;
   9 import org.eclipse.core.runtime.jobs.Job;
  10 import org.eclipse.swt.widgets.Display;
  11
  12 /** {@link EventListener} which simplifies running actions within the UI thread. */
  13 public abstract class AsyncUiEventListener implements EventListener {
  14         private final Display display;
  15
  16         public AsyncUiEventListener(Display display) {
  17                 super();
  18                 this.display = display;
  19         }
  20
  21         /** Called asynchronously in the UI thread. */
  22         protected abstract void onEventInUiThread(EventIterator events);
  23
  24         public void onEvent(final EventIterator events) {
  25                 Job job = new Job("JCR Events") {
  26                         protected IStatus run(IProgressMonitor monitor) {
  27                                 //Display display = Display.getCurrent();
  28                                 //Display display = PlatformUI.getWorkbench().getDisplay();
  29
  30                                 display.asyncExec(new Runnable() {
  31                                         public void run() {
  32                                                 onEventInUiThread(events);
  33                                         }
  34                                 });
  35                                 return Status.OK_STATUS;
  36                         }
  37                 };
  38                 job.schedule();
  39
  40                 // PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
  41                 // public void run() {
  42                 // onEventInUiThread(events);
  43                 // }
  44                 // });
  45         }
  46 }