eclipse/org.argeo.cms.e4/src/org/argeo/cms/e4/jcr/handlers/Refresh.java

   1 package org.argeo.cms.e4.jcr.handlers;
   2
   3 import java.util.List;
   4
   5 import javax.inject.Named;
   6
   7 import org.argeo.cms.e4.jcr.JcrBrowserView;
   8 import org.argeo.cms.ui.jcr.JcrBrowserUtils;
   9 import org.argeo.eclipse.ui.TreeParent;
  10 import org.eclipse.e4.core.di.annotations.Execute;
  11 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  12 import org.eclipse.e4.ui.services.IServiceConstants;
  13 import org.eclipse.e4.ui.workbench.modeling.EPartService;
  14 import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
  15
  16 /**
  17  * Force the selected objects of the active view to be refreshed doing the
  18  * following:
  19  * <ol>
  20  * <li>The model objects are recomputed</li>
  21  * <li>the view is refreshed</li>
  22  * </ol>
  23  */
  24 public class Refresh {
  25
  26         @Execute
  27         public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart part, EPartService partService,
  28                         ESelectionService selectionService) {
  29
  30                 JcrBrowserView view = (JcrBrowserView) part.getObject();
  31                 List<?> selection = (List<?>) selectionService.getSelection();
  32
  33                 if (selection != null && !selection.isEmpty()) {
  34                         for (Object obj : selection)
  35                                 if (obj instanceof TreeParent) {
  36                                         TreeParent tp = (TreeParent) obj;
  37                                         JcrBrowserUtils.forceRefreshIfNeeded(tp);
  38                                         view.refresh(obj);
  39                                 }
  40                 } else if (view instanceof JcrBrowserView)
  41                         view.refresh(null); // force full refresh
  42         }
  43 }