eu.etaxonomy.taxeditor.bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/command/DynamicNewObjectMenu.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.bulkeditor.command;
  11
  12 import java.util.Collections;
  13 import java.util.Map;
  14
  15 import org.apache.log4j.Logger;
  16 import org.eclipse.jface.action.ContributionItem;
  17 import org.eclipse.jface.action.IContributionItem;
  18 import org.eclipse.swt.events.SelectionEvent;
  19 import org.eclipse.swt.events.SelectionListener;
  20 import org.eclipse.swt.widgets.Event;
  21 import org.eclipse.swt.widgets.Menu;
  22 import org.eclipse.swt.widgets.MenuItem;
  23 import org.eclipse.ui.IEditorInput;
  24 import org.eclipse.ui.IEditorPart;
  25 import org.eclipse.ui.PlatformUI;
  26 import org.eclipse.ui.actions.CompoundContributionItem;
  27 import org.eclipse.ui.handlers.IHandlerService;
  28
  29 import eu.etaxonomy.taxeditor.annotatedlineeditor.IEntityCreator;
  30 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditorUtil;
  31 import eu.etaxonomy.taxeditor.bulkeditor.IBulkEditorConstants;
  32 import eu.etaxonomy.taxeditor.bulkeditor.input.AbstractBulkEditorInput;
  33
  34 /**
  35  * @author n.hoffmann
  36  * @created 17.04.2009
  37  * @version 1.0
  38  */
  39 public class DynamicNewObjectMenu extends CompoundContributionItem {
  40         private static final Logger logger = Logger
  41                         .getLogger(DynamicNewObjectMenu.class);
  42
  43         private final IHandlerService handlerService = (IHandlerService) BulkEditorUtil.getService(IHandlerService.class);
  44         private Map<? extends Object, String> classLabelPairs;
  45
  46         /** {@inheritDoc} */
  47         @Override
  48         protected IContributionItem[] getContributionItems() {
  49
  50                 classLabelPairs = getClassLabelPairs();
  51
  52                 return new IContributionItem[] {
  53                                 new ContributionItem() {
  54                                         @Override
  55                     public void fill(Menu menu, int index){
  56                                                 for(final Object key : classLabelPairs.keySet()){
  57                                                         createMenuItem(menu, key);
  58                                                 }
  59                                         }
  60                                 }
  61                 };
  62         }
  63
  64         private void createMenuItem(Menu menu, final Object key){
  65                 MenuItem menuItem = new MenuItem(menu, -1);
  66                 menuItem.setText(classLabelPairs.get(key));
  67                 menuItem.addSelectionListener(new SelectionListener(){
  68
  69                         @Override
  70             public void widgetDefaultSelected(SelectionEvent e) {}
  71
  72                         @Override
  73             public void widgetSelected(SelectionEvent ev) {
  74                                 Event event = new Event();
  75                                 event.data = key;
  76                                 event.text = classLabelPairs.get(key);
  77                                 try {
  78                                         handlerService.executeCommand(IBulkEditorConstants.DYNAMIC_OPEN_OBJECT_ID, event);
  79                                 } catch (Exception e) {
  80                                         logger.error("Error executing command", e);
  81                                         throw new RuntimeException("Error executing command", e);
  82                                 }
  83                         }
  84                 });
  85         }
  86
  87         /**
  88          * Get class label pairs from Annotated Line Editor's entity creator.
  89          * @return
  90          */
  91         private Map<? extends Object, String> getClassLabelPairs() {
  92                 IEditorPart editor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
  93                 if (editor != null){
  94                         IEditorInput input = editor.getEditorInput();
  95
  96                         if(input instanceof AbstractBulkEditorInput){
  97                                 IEntityCreator<?> entityCreator = ((AbstractBulkEditorInput) input).getEntityCreator();
  98                                 if(entityCreator!=null){
  99                                     return entityCreator.getKeyLabelPairs();
 100                                 }
 101                         }
 102                 }
 103
 104                 return Collections.EMPTY_MAP;
 105         }
 106 }