taxeditor-bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/BulkEditor.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.taxeditor.bulkeditor;
  11
  12 import org.eclipse.jface.text.IDocument;
  13 import org.eclipse.jface.text.source.Annotation;
  14 import org.eclipse.jface.text.source.ISourceViewer;
  15 import org.eclipse.jface.text.source.IVerticalRuler;
  16 import org.eclipse.swt.SWT;
  17 import org.eclipse.swt.custom.StyledText;
  18 import org.eclipse.swt.events.MouseAdapter;
  19 import org.eclipse.swt.events.MouseEvent;
  20 import org.eclipse.swt.widgets.Composite;
  21 import org.eclipse.swt.widgets.Control;
  22 import org.eclipse.ui.IEditorInput;
  23 import org.eclipse.ui.IEditorSite;
  24 import org.eclipse.ui.PartInitException;
  25 import org.eclipse.ui.editors.text.TextEditor;
  26
  27 /**
  28  * A document provider is responsible not just for providing the document for a
  29  * given editor input but for the complete translation between the domain model
  30  * and the editor's internal document-based model. Document provider can be shared
  31  * between editors.
  32  *
  33  * @author p.ciardelli
  34  * @created 25.06.2009
  35  * @version 1.0
  36  */
  37 public class BulkEditor extends TextEditor {
  38
  39         public static final String ID = "bulkeditor.editor";
  40
  41         private ISourceViewer viewer;
  42
  43         public BulkEditor() {
  44                 super();
  45
  46                 /**
  47                  * see AbstractTextEditor javadoc for explanation of context menu ids
  48                  */
  49                 setEditorContextMenuId("#BulkEditorContext");
  50         }
  51
  52         @Override
  53         public void init(IEditorSite site, IEditorInput input)
  54                         throws PartInitException {
  55                 setDocumentProvider(new BulkEditorDocumentProvider());
  56                 super.init(site, input);
  57         }
  58
  59         @Override
  60         protected ISourceViewer createSourceViewer(Composite parent,
  61                         IVerticalRuler ruler, int styles) {
  62                 viewer = super.createSourceViewer(parent, ruler, styles | SWT.WRAP);
  63                 setSourceViewerConfiguration(new BulkEditorSourceViewerConfiguration());
  64
  65                 addToggleMergeCandidateListener(ruler.getControl());
  66                 return viewer;
  67         }
  68
  69         private void addToggleMergeCandidateListener(Control control) {
  70                 control.addMouseListener(new MouseAdapter() {
  71                         @Override
  72                         public void mouseDoubleClick(MouseEvent e) {
  73                                 StyledText textWidget = viewer.getTextWidget();
  74                                 int line = textWidget.getLineIndex(e.y);
  75                                 toggleMergeCandidateAnnotation(line);
  76                         }
  77                 });
  78         }
  79
  80         private void toggleMergeCandidateAnnotation(int line) {
  81                 IDocument document = viewer.getDocument();
  82                 BulkEditorAnnotationModel model =
  83                                 (BulkEditorAnnotationModel) viewer.getAnnotationModel();
  84
  85                 Annotation annotation = model.getAnnotationAtLine(line, document);
  86
  87                 if (annotation != null) {
  88                         if (annotation.getType().equals(BulkEditorAnnotation.TYPE_MERGE_CANDIDATE)) {
  89                                 model.changeAnnotationType(
  90                                                 annotation, BulkEditorAnnotation.TYPE_GENERIC);
  91                         } else {
  92                                 model.changeAnnotationType(
  93                                                 annotation, BulkEditorAnnotation.TYPE_MERGE_CANDIDATE);
  94                         }
  95                 }
  96         }
  97 }