eu.etaxonomy.taxeditor.molecular/src/main/java/eu/etaxonomy/taxeditor/molecular/handler/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.molecular.handler;
  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.model.AbstractUtility;
  22 import eu.etaxonomy.taxeditor.molecular.editor.AlignmentEditor;
  23
  24
  25
  26 /**
  27  * Switches an {@link AlignmentEditor} between insertion in the base sequence to
  28  * the left or to the right.
  29  *
  30  * @author Ben Stöver
  31  * @date 04.12.2014
  32  */
  33 public class ToggleLeftRightInsertionHandler extends AbstractAlignmentEditorHandler implements IElementUpdater {
  34     public static final String COMMAND_ID = "eu.etaxonomy.taxeditor.molecular.AlignmentEditor.toggleLeftRightInsertion";
  35
  36
  37     private final ImageDescriptor INSERT_LEFT_DESCRIPTOR =
  38             HandlerTools.createImageDescriptor("pherogram-insert-left-16x16.png");
  39     private final ImageDescriptor INSERT_RIGHT_DESCRIPTOR =
  40             HandlerTools.createImageDescriptor("pherogram-insert-right-16x16.png");
  41     private final ImageDescriptor INSERT_LEFT_DISABLED_DESCRIPTOR =
  42             HandlerTools.createImageDescriptor("pherogram-insert-left-disabled-16x16.png");
  43     private final ImageDescriptor INSERT_RIGHT_DISABLED_DESCRIPTOR =
  44             HandlerTools.createImageDescriptor("pherogram-insert-right-disabled-16x16.png");
  45
  46
  47     @Override
  48     public void doExecute(ExecutionEvent event, AlignmentEditor editor) throws ExecutionException {
  49         editor.toggleLeftRightInsertionInPherogram();
  50     }
  51
  52
  53     @Override
  54     public void updateElement(UIElement element, @SuppressWarnings("rawtypes") Map parameters) {
  55         IEditorPart activeEditor = AbstractUtility.getActiveEditor();
  56         if (activeEditor instanceof AlignmentEditor) {
  57             setBaseEnabled(((AlignmentEditor)activeEditor).isInsertMode());
  58             if (((AlignmentEditor)activeEditor).isInsertLeftInPherogram()) {
  59                 element.setIcon(INSERT_LEFT_DESCRIPTOR);
  60                 element.setDisabledIcon(INSERT_LEFT_DISABLED_DESCRIPTOR);
  61                 element.setText("Left");
  62                 element.setTooltip("Switch to insert pherogram distorsions right of future edits.");
  63             }
  64             else {
  65                 element.setIcon(INSERT_RIGHT_DESCRIPTOR);
  66                 element.setDisabledIcon(INSERT_RIGHT_DISABLED_DESCRIPTOR);
  67                 element.setText("Right");
  68                 element.setTooltip("Switch to insert pherogram distorsions left of future edits.");
  69             }
  70         }
  71     }
  72 }