eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/handler/alignmenteditor/ToggleLeftRightInsertionHandler.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 import java.util.Map;
  13
  14 import org.eclipse.core.commands.ExecutionEvent;
  15 import org.eclipse.core.commands.ExecutionException;
  16 import org.eclipse.jface.resource.ImageDescriptor;
  17 import org.eclipse.ui.IEditorPart;
  18 import org.eclipse.ui.commands.IElementUpdater;
  19 import org.eclipse.ui.menus.UIElement;
  20
  21 import eu.etaxonomy.taxeditor.editor.handler.HandlerTools;
  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 in the base sequence to
  29  * the left or to the right.
  30  *
  31  * @author Ben Stöver
  32  * @date 04.12.2014
  33  */
  34 public class ToggleLeftRightInsertionHandler extends AbstractAlignmentEditorHandler implements IElementUpdater {
  35     public static final String COMMAND_ID = "eu.etaxonomy.taxeditor.editor.molecular.AlignmentEditor.toggleLeftRightInsertion";
  36
  37
  38     private final ImageDescriptor INSERT_LEFT_DESCRIPTOR =
  39             HandlerTools.createImageDescriptor("pherogram-insert-left-16x16.png");
  40     private final ImageDescriptor INSERT_RIGHT_DESCRIPTOR =
  41             HandlerTools.createImageDescriptor("pherogram-insert-right-16x16.png");
  42     private final ImageDescriptor INSERT_LEFT_DISABLED_DESCRIPTOR =
  43             HandlerTools.createImageDescriptor("pherogram-insert-left-disabled-16x16.png");
  44     private final ImageDescriptor INSERT_RIGHT_DISABLED_DESCRIPTOR =
  45             HandlerTools.createImageDescriptor("pherogram-insert-right-disabled-16x16.png");
  46
  47
  48     @Override
  49     public void doExecute(ExecutionEvent event, AlignmentEditor editor) throws ExecutionException {
  50         editor.toggleLeftRightInsertionInPherogram();
  51     }
  52
  53
  54     @Override
  55     public void updateElement(UIElement element, @SuppressWarnings("rawtypes") Map parameters) {
  56         IEditorPart activeEditor = AbstractUtility.getActiveEditor();
  57         if (activeEditor instanceof AlignmentEditor) {
  58             setBaseEnabled(((AlignmentEditor)activeEditor).isInsertMode());
  59             if (((AlignmentEditor)activeEditor).isInsertLeftInPherogram()) {
  60                 element.setIcon(INSERT_LEFT_DESCRIPTOR);
  61                 element.setDisabledIcon(INSERT_LEFT_DISABLED_DESCRIPTOR);
  62                 element.setText("Left");
  63                 element.setTooltip("Switch to insert pherogram distorsions right of future edits.");
  64             }
  65             else {
  66                 element.setIcon(INSERT_RIGHT_DESCRIPTOR);
  67                 element.setDisabledIcon(INSERT_RIGHT_DISABLED_DESCRIPTOR);
  68                 element.setText("Right");
  69                 element.setTooltip("Switch to insert pherogram distorsions left of future edits.");
  70             }
  71         }
  72     }
  73 }