eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/handler/alignmenteditor/ToggleInsertOverwriteHandler.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.editor.handler.alignmenteditor;
  11
  12
  13 import java.util.Map;
  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.ui.IEditorPart;
  19 import org.eclipse.ui.commands.IElementUpdater;
  20 import org.eclipse.ui.menus.UIElement;
  21
  22 import eu.etaxonomy.taxeditor.editor.molecular.AlignmentEditor;
  23 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  24
  25
  26
  27 /**
  28  * Switches an {@link AlignmentEditor} between insertion and overwrite mode.
  29  *
  30  * @author Ben Stöver
  31  * @date 04.12.2014
  32  */
  33 public class ToggleInsertOverwriteHandler extends AbstractHandler implements IElementUpdater {
  34         public static final String COMMAND_ID =
  35                         "eu.etaxonomy.taxeditor.editor.molecular.AlignmentEditor.toggleInsertOverwrite";
  36
  37
  38         @Override
  39         public Object execute(ExecutionEvent event) throws ExecutionException {
  40         IEditorPart activeEditor = AbstractUtility.getActiveEditor();
  41         if (activeEditor instanceof AlignmentEditor) {
  42             ((AlignmentEditor)activeEditor).toggleInsertOverwrite();
  43         }
  44         return null;
  45         }
  46
  47
  48         @Override
  49         public void updateElement(UIElement element, @SuppressWarnings("rawtypes") Map parameters) {
  50         IEditorPart activeEditor = AbstractUtility.getActiveEditor();
  51                 if (activeEditor instanceof AlignmentEditor) {
  52                         if (((AlignmentEditor)activeEditor).isInsertMode()) {
  53                                 element.setText(" INS ");
  54                                 element.setTooltip("Click to switch to overwrite mode");
  55                         }
  56                         else {
  57                                 element.setText("OVR");
  58                                 element.setTooltip("Click to switch to insertion mode");
  59                         }
  60                 }
  61         }
  62 }