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

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