server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/commands/SortChildNodes.java

   1 package org.argeo.jcr.ui.explorer.commands;
   2
   3 import org.argeo.jcr.ui.explorer.JcrExplorerPlugin;
   4 import org.argeo.jcr.ui.explorer.views.GenericJcrBrowser;
   5 import org.eclipse.core.commands.AbstractHandler;
   6 import org.eclipse.core.commands.Command;
   7 import org.eclipse.core.commands.ExecutionEvent;
   8 import org.eclipse.core.commands.ExecutionException;
   9 import org.eclipse.core.commands.State;
  10 import org.eclipse.ui.PlatformUI;
  11 import org.eclipse.ui.commands.ICommandService;
  12 import org.eclipse.ui.handlers.HandlerUtil;
  13
  14 /**
  15  * Change isSorted state of the JcrExplorer Browser
  16  */
  17 public class SortChildNodes extends AbstractHandler {
  18         public final static String ID = JcrExplorerPlugin.ID + ".sortChildNodes";
  19
  20         public Object execute(ExecutionEvent event) throws ExecutionException {
  21                 GenericJcrBrowser view = (GenericJcrBrowser) HandlerUtil
  22                                 .getActiveWorkbenchWindow(event).getActivePage()
  23                                 .findView(GenericJcrBrowser.ID);
  24
  25                 ICommandService service = (ICommandService) PlatformUI.getWorkbench()
  26                                 .getService(ICommandService.class);
  27                 Command command = service.getCommand(ID);
  28                 State state = command.getState(ID + ".toggleState");
  29
  30                 boolean wasSorted = (Boolean) state.getValue();
  31                 view.setSortChildNodes(!wasSorted);
  32                 state.setValue(!wasSorted);
  33                 return null;
  34         }
  35 }