eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/derivative/OccurenceView.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2015 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.view.derivative;
  11
  12 import org.eclipse.jface.action.MenuManager;
  13 import org.eclipse.jface.viewers.AbstractTreeViewer;
  14 import org.eclipse.jface.viewers.ISelectionChangedListener;
  15 import org.eclipse.jface.viewers.SelectionChangedEvent;
  16 import org.eclipse.jface.viewers.TreeViewer;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.layout.GridData;
  19 import org.eclipse.swt.widgets.Composite;
  20 import org.eclipse.swt.widgets.Control;
  21 import org.eclipse.swt.widgets.Menu;
  22 import org.eclipse.swt.widgets.Tree;
  23 import org.eclipse.ui.part.ViewPart;
  24
  25 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  26 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  27 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  28 import eu.etaxonomy.taxeditor.store.CdmStore;
  29 import eu.etaxonomy.taxeditor.view.derivateSearch.DerivateContentProvider;
  30 import eu.etaxonomy.taxeditor.view.derivateSearch.DerivateLabelProvider;
  31
  32 /**
  33  * @author pplitzner
  34  * @date Oct 7, 2015
  35  *
  36  */
  37 public class OccurenceView extends ViewPart implements IConversationEnabled, ISelectionChangedListener{
  38
  39     private TreeViewer viewer;
  40     private DerivateContentProvider contentProvider;
  41     private DerivateLabelProvider labelProvider;
  42     private ConversationHolder conversation;
  43
  44     public OccurenceView() {
  45         conversation = CdmStore.createConversation();
  46     }
  47
  48     /**
  49      * {@inheritDoc}
  50      */
  51     @Override
  52     public void createPartControl(Composite parent) {
  53       //---tree viewer---
  54         viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION));
  55         GridData gridDataTree = new GridData();
  56         gridDataTree.horizontalAlignment = GridData.FILL;
  57         gridDataTree.verticalAlignment = GridData.FILL;
  58         gridDataTree.grabExcessVerticalSpace = true;
  59         gridDataTree.grabExcessHorizontalSpace = true;
  60         viewer.getTree().setLayoutData(gridDataTree);
  61         contentProvider = new DerivateContentProvider();
  62         viewer.setContentProvider(contentProvider);
  63         labelProvider = new DerivateLabelProvider();
  64         labelProvider.setConversation(conversation);
  65         viewer.setLabelProvider(labelProvider);
  66         viewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
  67         // Propagate selection from viewer
  68         getSite().setSelectionProvider(viewer);
  69         //listen to selection changes
  70         viewer.addSelectionChangedListener(this);
  71
  72         //create context menu
  73         MenuManager menuManager = new MenuManager();
  74         getSite().registerContextMenu(menuManager, viewer);
  75         Control control = viewer.getControl();
  76         Menu menu = menuManager.createContextMenu(control);
  77         control.setMenu(menu);
  78
  79     }
  80
  81     /**
  82      * {@inheritDoc}
  83      */
  84     @Override
  85     public void setFocus() {
  86         if(!conversation.isClosed()){
  87             conversation.bind();
  88         }
  89     }
  90
  91     /**
  92      * {@inheritDoc}
  93      */
  94     @Override
  95     public void update(CdmDataChangeMap arg0) {
  96     }
  97
  98     /**
  99      * {@inheritDoc}
 100      */
 101     @Override
 102     public ConversationHolder getConversationHolder() {
 103         return conversation;
 104     }
 105
 106     /**
 107      * {@inheritDoc}
 108      */
 109     @Override
 110     public void dispose() {
 111         if(conversation.isBound() && !conversation.isClosed()){
 112             conversation.close();
 113         }
 114     }
 115
 116     /**
 117      * {@inheritDoc}
 118      */
 119     @Override
 120     public void selectionChanged(SelectionChangedEvent event) {
 121
 122     }
 123
 124 }