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.model.AbstractUtility;
  37 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  38 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  39 import eu.etaxonomy.taxeditor.model.LineSelection;
  40 import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
  41
  42 /**
  43  * @author n.hoffmann
  44  * @created Jan 24, 2011
  45  * @version 1.0
  46  */
  47 public class ConceptViewPart extends AbstractCdmEditorViewPart
  48 implements IPartContentHasDetails, IPartContentHasSupplementalData{
  49
  50         public static final String ID = "eu.etaxonomy.taxeditor.editor.view.concept";
  51
  52         private ConceptRelationViewer viewer;
  53
  54         @Override
  55         protected void selectionChanged_internal(IWorkbenchPart part, ISelection selection) {
  56                 if(part == this){
  57                     return;
  58                 }
  59                 if(AbstractUtility.getActiveEditor() == null){
  60                         showEmptyPage();
  61                         return;
  62                 }
  63
  64                 if(part instanceof BulkEditor && selection instanceof LineSelection){
  65                         if(((LineSelection) selection).getFirstElement() instanceof Taxon){
  66                                 showViewer(part, (LineSelection) selection);
  67                         }
  68                         else{
  69                                 showEmptyPage();
  70                         }
  71                         return;
  72                 }
  73
  74                 else if(part instanceof AbstractGraphKeyEditor){
  75                         showEmptyPage();
  76                         return;
  77                 }
  78
  79                 else if(part instanceof MultiPageTaxonEditor){
  80                         if(! part.equals(this.part)){
  81                                 IEditorInput input = ((IEditorPart) part).getEditorInput();
  82                                 showViewer(part, new StructuredSelection(input));
  83                         }
  84                         else{
  85                                 showViewer();
  86                         }
  87                 }
  88                 else {
  89                     showEmptyPage();
  90                 }
  91
  92         }
  93
  94         @Override
  95         public boolean onComplete() {
  96                 return true;
  97         }
  98
  99         @Override
 100         public Viewer getViewer() {
 101                 return viewer;
 102         }
 103
 104         @Override
 105         public void createViewer(Composite parent) {
 106                 viewer = new ConceptRelationViewer(parent);
 107
 108                 viewer.setContentProvider(new ConceptContentProvider());
 109                 viewer.setLabelProvider(new ConceptLabelProvider());
 110
 111
 112                 viewer.setSorter(new ViewerSorter());
 113
 114                 getSite().setSelectionProvider(viewer);
 115
 116                 createMenu();
 117         }
 118
 119         private void createMenu(){
 120                 MenuManager menuManager = new MenuManager();
 121                 menuManager.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
 122
 123                 getSite().registerContextMenu(menuManager, viewer);
 124
 125                 Control control = viewer.getControl();
 126                 Menu menu = menuManager.createContextMenu(control);
 127
 128                 control.setMenu(menu);
 129         }
 130
 131         @Override
 132         public void changed(Object object) {
 133                 getViewer().refresh();
 134                 super.changed(object);
 135         }
 136
 137         private class ConceptRelationViewer extends ListViewer {
 138
 139                 public ConceptRelationViewer(Composite parent) {
 140                         super(parent);
 141                 }
 142
 143                 @Override
 144                 public ISelection getSelection() {
 145                         ISelection selection = super.getSelection();
 146                         if(selection instanceof IStructuredSelection && !selection.isEmpty()){
 147                                 Object firstElement = ((IStructuredSelection) selection).getFirstElement();
 148                                 TaxonRelationship taxonRelationship = ((Entry<TaxonRelationship, Taxon>)firstElement).getKey();
 149                                 return new StructuredSelection(taxonRelationship);
 150
 151                         }
 152                         return selection;
 153                 }
 154
 155                 @Override
 156                 public void setSelection(ISelection selection) {
 157                         super.setSelection(selection);
 158                 }
 159
 160         }
 161
 162 }