eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/concept/ConceptViewPart.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
  11 package eu.etaxonomy.taxeditor.editor.view.concept;
  12
  13 import java.util.Map.Entry;
  14
  15 import org.eclipse.jface.action.GroupMarker;
  16 import org.eclipse.jface.action.MenuManager;
  17 import org.eclipse.jface.viewers.ISelection;
  18 import org.eclipse.jface.viewers.IStructuredSelection;
  19 import org.eclipse.jface.viewers.ListViewer;
  20 import org.eclipse.jface.viewers.StructuredSelection;
  21 import org.eclipse.jface.viewers.Viewer;
  22 import org.eclipse.jface.viewers.ViewerSorter;
  23 import org.eclipse.swt.widgets.Composite;
  24 import org.eclipse.swt.widgets.Control;
  25 import org.eclipse.swt.widgets.Menu;
  26 import org.eclipse.ui.IEditorInput;
  27 import org.eclipse.ui.IEditorPart;
  28 import org.eclipse.ui.IWorkbenchActionConstants;
  29 import org.eclipse.ui.IWorkbenchPart;
  30
  31 import eu.etaxonomy.cdm.model.taxon.Taxon;
  32 import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;
  33 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  34 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  35 import eu.etaxonomy.taxeditor.editor.key.AbstractGraphKeyEditor;
  36 import eu.etaxonomy.taxeditor.editor.view.media.MediaViewPart;
  37 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  38 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  39 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  40 import eu.etaxonomy.taxeditor.model.LineSelection;
  41 import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
  42 import eu.etaxonomy.taxeditor.view.detail.DetailsViewPart;
  43 import eu.etaxonomy.taxeditor.view.supplementaldata.SupplementalDataViewPart;
  44
  45 /**
  46  * @author n.hoffmann
  47  * @created Jan 24, 2011
  48  * @version 1.0
  49  */
  50 public class ConceptViewPart extends AbstractCdmEditorViewPart
  51 implements IPartContentHasDetails, IPartContentHasSupplementalData{
  52
  53         public static final String ID = "eu.etaxonomy.taxeditor.editor.view.concept";
  54
  55         private ConceptRelationViewer viewer;
  56
  57         @Override
  58         protected void selectionChanged_internal(IWorkbenchPart part, ISelection selection) {
  59                 if(part == this){
  60                     return;
  61                 }
  62                 if(AbstractUtility.getActiveEditor() == null){
  63                         showEmptyPage();
  64                         return;
  65                 }
  66
  67         if (part instanceof DetailsViewPart || part instanceof SupplementalDataViewPart) {
  68             // do not show empty page as these views are also used to edit the
  69             // description selected in this view
  70             return;
  71         }
  72         else if(part instanceof BulkEditor && selection instanceof LineSelection){
  73                         if(((LineSelection) selection).getFirstElement() instanceof Taxon){
  74                                 showViewer(part, (LineSelection) selection);
  75                         }
  76                         else{
  77                                 showEmptyPage();
  78                         }
  79                         return;
  80                 }
  81                 else if(part instanceof AbstractGraphKeyEditor){
  82                         showEmptyPage();
  83                         return;
  84                 }
  85                 else if(part instanceof MultiPageTaxonEditor){
  86                         if(! part.equals(this.part)){
  87                                 IEditorInput input = ((IEditorPart) part).getEditorInput();
  88                                 showViewer(part, new StructuredSelection(input));
  89                         }
  90                         else{
  91                                 showViewer();
  92                         }
  93                 }
  94                 else {
  95                     showEmptyPage();
  96                 }
  97
  98         }
  99
 100         @Override
 101         public boolean onComplete() {
 102                 return true;
 103         }
 104
 105         @Override
 106         public Viewer getViewer() {
 107                 return viewer;
 108         }
 109
 110         @Override
 111         public void createViewer(Composite parent) {
 112                 viewer = new ConceptRelationViewer(parent);
 113
 114                 viewer.setContentProvider(new ConceptContentProvider());
 115                 viewer.setLabelProvider(new ConceptLabelProvider());
 116
 117
 118                 viewer.setSorter(new ViewerSorter());
 119
 120                 getSite().setSelectionProvider(viewer);
 121
 122                 createMenu();
 123         }
 124
 125         private void createMenu(){
 126                 MenuManager menuManager = new MenuManager();
 127                 menuManager.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
 128
 129                 getSite().registerContextMenu(menuManager, viewer);
 130
 131                 Control control = viewer.getControl();
 132                 Menu menu = menuManager.createContextMenu(control);
 133
 134                 control.setMenu(menu);
 135         }
 136
 137         @Override
 138         public void changed(Object object) {
 139                 getViewer().refresh();
 140                 super.changed(object);
 141         }
 142
 143         private class ConceptRelationViewer extends ListViewer {
 144
 145                 public ConceptRelationViewer(Composite parent) {
 146                         super(parent);
 147                 }
 148
 149                 @Override
 150                 public ISelection getSelection() {
 151                         ISelection selection = super.getSelection();
 152                         if(selection instanceof IStructuredSelection && !selection.isEmpty()){
 153                                 Object firstElement = ((IStructuredSelection) selection).getFirstElement();
 154                                 TaxonRelationship taxonRelationship = ((Entry<TaxonRelationship, Taxon>)firstElement).getKey();
 155                                 return new StructuredSelection(taxonRelationship);
 156
 157                         }
 158                         return selection;
 159                 }
 160
 161                 @Override
 162                 public void setSelection(ISelection selection) {
 163                         super.setSelection(selection);
 164                 }
 165
 166         }
 167
 168 }