eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/key/polytomous/handler/RefreshPolytomousKeyNodesHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.navigation.key.polytomous.handler;
  12
  13 import java.util.List;
  14
  15 import org.eclipse.core.commands.AbstractHandler;
  16 import org.eclipse.core.commands.ExecutionEvent;
  17 import org.eclipse.core.commands.ExecutionException;
  18 import org.eclipse.core.commands.IHandler;
  19 import org.eclipse.core.commands.operations.IUndoContext;
  20 import org.eclipse.core.runtime.IProgressMonitor;
  21 import org.eclipse.core.runtime.IStatus;
  22 import org.eclipse.core.runtime.Status;
  23 import org.eclipse.core.runtime.jobs.Job;
  24
  25 import org.eclipse.swt.widgets.Display;
  26
  27
  28 import eu.etaxonomy.cdm.model.description.PolytomousKey;
  29 import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
  30 import eu.etaxonomy.taxeditor.navigation.key.polytomous.PolytomousKeyViewPart;
  31 import eu.etaxonomy.taxeditor.navigation.key.polytomous.operation.RefreshNodesOperation;
  32 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  33
  34
  35 /**
  36  * <p>RefreshPolytomousKeyNodesHandler class, which refreshes each key node in the polytomous key navigation view</p>
  37  *
  38  * @author c.mathew
  39  * @created Jan 17 2013
  40  * @version 1.0
  41  */
  42 public class RefreshPolytomousKeyNodesHandler extends AbstractHandler implements IHandler {
  43
  44         @Override
  45         public Object execute(ExecutionEvent event) throws ExecutionException {
  46                 final PolytomousKeyViewPart view = (PolytomousKeyViewPart) NavigationUtil.getView(PolytomousKeyViewPart.ID, false);
  47                 final List<PolytomousKey> keys = view.getKeys();
  48
  49                 final String label = "Refresh Polytomous Key Nodes";
  50
  51                 final IUndoContext undoContext = NavigationUtil.getUndoContext();
  52                 if (keys.size() > 0) {
  53                         Job job = new Job("Refreshing Polytomous Key Nodes"){
  54
  55                                         @Override
  56                                         protected IStatus run(IProgressMonitor monitor) {
  57                                                 monitor.beginTask("Refreshing Polytomous Key Nodes", keys.size());
  58
  59
  60                                                         for (final PolytomousKey key : keys) {
  61                                                                 if(key.getRoot() != null) {
  62
  63                                                                         Display.getDefault().asyncExec(new Runnable(){
  64
  65                                                                                 @Override
  66                                                                                 public void run() {
  67                                                                                         AbstractPostOperation operation = new RefreshNodesOperation(label, undoContext, key, view);
  68                                                                                         NavigationUtil.executeOperation(operation);
  69                                                                                 }
  70
  71                                                                         });
  72                                                                         monitor.worked(1);
  73                                                                 }
  74                                                         }
  75                                                         monitor.done();
  76                                                         return Status.OK_STATUS;
  77                                                 }
  78
  79                                         };
  80
  81                                         job.setPriority(Job.SHORT);
  82                                         job.schedule();
  83
  84                                 }
  85                                 return null;
  86                         }
  87                 }
  88