eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/derivative/OccurrenceView.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 java.util.Collection;
  13
  14 import org.eclipse.core.runtime.IProgressMonitor;
  15 import org.eclipse.core.runtime.NullProgressMonitor;
  16 import org.eclipse.jface.action.MenuManager;
  17 import org.eclipse.jface.viewers.AbstractTreeViewer;
  18 import org.eclipse.jface.viewers.ISelection;
  19 import org.eclipse.jface.viewers.IStructuredSelection;
  20 import org.eclipse.jface.viewers.TreeViewer;
  21 import org.eclipse.jface.viewers.Viewer;
  22 import org.eclipse.swt.SWT;
  23 import org.eclipse.swt.layout.GridData;
  24 import org.eclipse.swt.widgets.Composite;
  25 import org.eclipse.swt.widgets.Control;
  26 import org.eclipse.swt.widgets.Menu;
  27 import org.eclipse.swt.widgets.Tree;
  28 import org.eclipse.ui.ISaveablePart2;
  29 import org.eclipse.ui.ISelectionService;
  30 import org.eclipse.ui.IWorkbenchPart;
  31
  32 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  33 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  34 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  35 import eu.etaxonomy.cdm.model.taxon.Taxon;
  36 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  37 import eu.etaxonomy.taxeditor.store.CdmStore;
  38 import eu.etaxonomy.taxeditor.view.AbstractCdmViewPart;
  39 import eu.etaxonomy.taxeditor.view.derivateSearch.DerivateContentProvider;
  40 import eu.etaxonomy.taxeditor.view.derivateSearch.DerivateLabelProvider;
  41
  42 /**
  43  * @author pplitzner
  44  * @date Oct 7, 2015
  45  *
  46  */
  47 public class OccurrenceView extends AbstractCdmViewPart implements IPartContentHasDetails, ISaveablePart2{
  48
  49     public static String ID = "eu.etaxonomy.taxeditor.view.derivative.OccurrenceView";
  50
  51     private TreeViewer viewer;
  52     private DerivateContentProvider contentProvider;
  53     private DerivateLabelProvider labelProvider;
  54
  55     private ISelectionService selectionService;
  56
  57     private ConversationHolder conversation;
  58
  59     private boolean dirty;
  60
  61
  62     public OccurrenceView() {
  63         if(conversation==null && CdmStore.isActive()){
  64             conversation = CdmStore.createConversation();
  65         }
  66     }
  67
  68     /**
  69      * {@inheritDoc}
  70      */
  71     @Override
  72     public void createPartControl(Composite parent) {
  73
  74         //listen to selection changes
  75         selectionService = getSite().getWorkbenchWindow().getSelectionService();
  76         selectionService.addSelectionListener(this);
  77
  78       //---tree viewer---
  79         viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION));
  80         GridData gridDataTree = new GridData();
  81         gridDataTree.horizontalAlignment = GridData.FILL;
  82         gridDataTree.verticalAlignment = GridData.FILL;
  83         gridDataTree.grabExcessVerticalSpace = true;
  84         gridDataTree.grabExcessHorizontalSpace = true;
  85         viewer.getTree().setLayoutData(gridDataTree);
  86         contentProvider = new DerivateContentProvider();
  87         viewer.setContentProvider(contentProvider);
  88         labelProvider = new DerivateLabelProvider();
  89         viewer.setLabelProvider(labelProvider);
  90         viewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
  91         // Propagate selection from viewer
  92         getSite().setSelectionProvider(viewer);
  93
  94         //create context menu
  95         MenuManager menuManager = new MenuManager();
  96         getSite().registerContextMenu(menuManager, viewer);
  97         Control control = viewer.getControl();
  98         Menu menu = menuManager.createContextMenu(control);
  99         control.setMenu(menu);
 100
 101     }
 102
 103     /**
 104      * {@inheritDoc}
 105      */
 106     @Override
 107     public void setFocus() {
 108         if(!conversation.isBound()){
 109             conversation.bind();
 110         }
 111     }
 112
 113     /**
 114      * {@inheritDoc}
 115      */
 116     @Override
 117     public void dispose() {
 118         selectionService.removeSelectionListener(this);
 119         if(conversation!=null){
 120             conversation.close();
 121         }
 122     }
 123
 124     /**
 125      * {@inheritDoc}
 126      */
 127     @Override
 128     public void selectionChanged(IWorkbenchPart part, ISelection selection) {
 129         if(selection instanceof IStructuredSelection){
 130             Object selectedElement = ((IStructuredSelection) selection).getFirstElement();
 131             if(selectedElement instanceof Taxon){
 132                 Collection<SpecimenOrObservationBase> fieldUnits = CdmStore.getService(IOccurrenceService.class).listFieldUnitsByAssociatedTaxon((Taxon) selectedElement, null, null);
 133                 viewer.setInput(fieldUnits);
 134             }
 135         }
 136     }
 137
 138     @Override
 139     public boolean onComplete() {
 140         return false;
 141     }
 142
 143     @Override
 144     public Viewer getViewer() {
 145         return viewer;
 146     }
 147
 148     @Override
 149     public void createViewer(Composite parent) {
 150     }
 151
 152     @Override
 153     public void changed(Object object) {
 154         this.dirty = true;
 155         firePropertyChange(PROP_DIRTY);
 156     }
 157
 158     @Override
 159     public void doSave(IProgressMonitor monitor) {
 160         if(conversation.isBound()){
 161 //            input.merge(); TODO remote merging
 162             conversation.commit(true);
 163         }
 164         this.dirty = false;
 165         firePropertyChange(PROP_DIRTY);
 166     }
 167
 168     @Override
 169     public void doSaveAs() {
 170         doSave(new NullProgressMonitor());
 171     }
 172
 173     @Override
 174     public boolean isDirty() {
 175         return this.dirty;
 176     }
 177
 178     @Override
 179     public boolean isSaveAsAllowed() {
 180         return false;
 181     }
 182
 183     @Override
 184     public boolean isSaveOnCloseNeeded() {
 185         return isDirty();
 186     }
 187
 188     @Override
 189     public int promptToSaveOnClose() {
 190         return ISaveablePart2.DEFAULT;
 191     }
 192 }