eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/editor/definedterm/DefinedTermEditor.java

   1 // $Id$
   2 /**
   3  * Copyright (C) 2009 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.editor.definedterm;
  11
  12 import org.eclipse.core.runtime.IProgressMonitor;
  13 import org.eclipse.jface.action.GroupMarker;
  14 import org.eclipse.jface.action.MenuManager;
  15 import org.eclipse.jface.viewers.ISelection;
  16 import org.eclipse.jface.viewers.StructuredSelection;
  17 import org.eclipse.jface.viewers.TreeViewer;
  18 import org.eclipse.jface.viewers.Viewer;
  19 import org.eclipse.jface.viewers.ViewerSorter;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.dnd.DND;
  22 import org.eclipse.swt.dnd.Transfer;
  23 import org.eclipse.swt.layout.FillLayout;
  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.ui.IEditorInput;
  28 import org.eclipse.ui.IEditorSite;
  29 import org.eclipse.ui.ISelectionListener;
  30 import org.eclipse.ui.ISelectionService;
  31 import org.eclipse.ui.IWorkbenchActionConstants;
  32 import org.eclipse.ui.IWorkbenchPart;
  33 import org.eclipse.ui.PartInitException;
  34 import org.eclipse.ui.part.EditorPart;
  35
  36 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  37 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  38 import eu.etaxonomy.cdm.model.common.CdmBase;
  39 import eu.etaxonomy.cdm.model.common.OrderedTermBase;
  40 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  41 import eu.etaxonomy.taxeditor.editor.definedterm.input.TermEditorInput;
  42 import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
  43 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  44 import eu.etaxonomy.taxeditor.store.CdmStore;
  45 import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
  46
  47 /**
  48  * @author l.morris
  49  * @date 3 Jan 2012
  50  *
  51  */
  52 public class DefinedTermEditor extends EditorPart implements IConversationEnabled, ISelectionListener, IDirtyMarkable, IPostOperationEnabled {
  53
  54         public static final String ID = "eu.etaxonomy.taxeditor.editor.definedTerm";
  55
  56         public static final String OPEN_COMMAND_ID = "eu.etaxonomy.taxeditor.store.openDefinedTermEditor";
  57
  58         protected TreeViewer viewer;
  59         protected ConversationHolder conversation;
  60         private ISelectionService selectionService;
  61         private boolean dirty;
  62
  63
  64         private final int dndOperations = DND.DROP_COPY | DND.DROP_MOVE;
  65         /**
  66          *
  67          */
  68         public DefinedTermEditor() {
  69                 super();
  70                 conversation = CdmStore.createConversation();
  71         }
  72
  73         @Override
  74         public void createPartControl(Composite parent) {
  75
  76         //              parent.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_BLUE));
  77
  78                         FillLayout layout = new FillLayout();
  79                         layout.marginHeight = 0;
  80                         layout.marginWidth = 0;
  81                         layout.type = SWT.VERTICAL;
  82
  83                         parent.setLayout(layout);
  84                         viewer = new TreeViewer(parent);
  85                         viewer.getControl().setLayoutData(LayoutConstants.FILL());
  86                         viewer.setContentProvider(new TermContentProvider());
  87                         viewer.setLabelProvider(new TermLabelProvider());
  88                         viewer.setSorter(new DefinedTermSorter());
  89
  90                         Transfer[] transfers = new Transfer[] { TermTransfer.getInstance() };
  91                         viewer.addDragSupport(dndOperations, transfers, new DefinedTermDragListener(viewer));
  92                         viewer.addDropSupport(dndOperations, transfers, new DefinedTermDropAdapter(this));
  93
  94                         getDefinedTermEditorInput().initialiseVocabularies();
  95                         viewer.setInput(getDefinedTermEditorInput().getVocabularies());
  96
  97                         getSite().setSelectionProvider(viewer);
  98
  99                         selectionService = getSite().getWorkbenchWindow().getSelectionService();
 100                         selectionService.addSelectionListener(this);
 101
 102                         setPartName(getEditorInput().getName());
 103                         createMenu();
 104                 }
 105
 106
 107
 108
 109         /**
 110          *
 111          */
 112         public TermEditorInput getDefinedTermEditorInput() {
 113                 return (TermEditorInput) getEditorInput();
 114         }
 115
 116         /* (non-Javadoc)
 117          * @see eu.etaxonomy.taxeditor.operation.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
 118          */
 119         @Override
 120         public boolean postOperation(CdmBase objectAffectedByOperation) {
 121
 122
 123                 viewer.refresh();
 124
 125                 if(objectAffectedByOperation != null){
 126                         viewer.setSelection(new StructuredSelection(objectAffectedByOperation));
 127                 }
 128                 setDirty(true);
 129
 130                 return true;
 131         }
 132
 133         private void createMenu() {
 134                 // register context menu
 135                 MenuManager menuManager = new MenuManager();
 136                 menuManager
 137                                 .add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
 138                 getSite().registerContextMenu(ID, menuManager, viewer);
 139
 140                 Control control = viewer.getControl();
 141                 Menu menu = menuManager.createContextMenu(control);
 142                 control.setMenu(menu);
 143         }
 144
 145
 146
 147
 148         @Override
 149         public void doSave(IProgressMonitor monitor) {
 150                 getConversationHolder().commit();
 151                 getDefinedTermEditorInput().merge();
 152                 setDirty(false);
 153                 getDefinedTermEditorInput().initialiseVocabularies();
 154                 viewer.refresh();
 155         }
 156
 157
 158         @Override
 159         public void doSaveAs() {}
 160
 161         @Override
 162         public void init(IEditorSite site, IEditorInput input) throws PartInitException {
 163                 setSite(site);
 164                 setInput(input);
 165
 166         }
 167
 168         @Override
 169         public boolean isDirty() {
 170                 return dirty;
 171         }
 172
 173         @Override
 174         public boolean isSaveAsAllowed() {
 175                 return false;
 176         }
 177
 178         @Override
 179         public void setFocus() {
 180             viewer.getControl().setFocus();
 181                 getConversationHolder().bind();
 182                 getDefinedTermEditorInput().bind();
 183         }
 184
 185         @Override
 186         public void update(CdmDataChangeMap changeEvents) {
 187                 // TODO Auto-generated method stub
 188
 189         }
 190
 191         @Override
 192         public ConversationHolder getConversationHolder() {
 193                 return conversation;
 194         }
 195
 196         @Override
 197         public void selectionChanged(IWorkbenchPart part, ISelection selection) {
 198                 // TODO Auto-generated method stub
 199
 200         }
 201
 202         @Override
 203         public void changed(Object element) {
 204                 dirty = true;
 205                 setDirty(true);
 206                 viewer.update(element, null);
 207         }
 208
 209         /* (non-Javadoc)
 210          * @see eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider#forceDirty()
 211          */
 212         @Override
 213         public void forceDirty() {
 214             changed(null);
 215         }
 216
 217         /**
 218          * @param dirty the dirty to set
 219          */
 220         public void setDirty(boolean dirty) {
 221                 this.dirty = dirty;
 222                 firePropertyChange(PROP_DIRTY);
 223         }
 224
 225         @Override
 226         public boolean onComplete() {
 227                 // TODO Auto-generated method stub
 228                 return false;
 229         }
 230
 231         /**
 232          *
 233          */
 234         public TreeViewer getViewer() {
 235                 return viewer;
 236         }
 237
 238         private class DefinedTermSorter extends ViewerSorter {
 239
 240             @Override
 241             public int compare(Viewer viewer, Object e1, Object e2) {
 242                 // the comparison value in this method determines the
 243                 // location <-> add term method used in the MoveDefinedTermOperation
 244                 // execute call
 245                 if(e1 instanceof OrderedTermBase && e2 instanceof OrderedTermBase) {
 246                     OrderedTermBase otbe1 = (OrderedTermBase)e1;
 247                     OrderedTermBase otbe2 = (OrderedTermBase)e2;
 248                     if(otbe1.getOrderIndex() == otbe2.getOrderIndex()) {
 249                         return 0;
 250                     } else if(otbe1.isHigher(otbe2)) {
 251                         return 1;
 252                     } else {
 253                         return -1;
 254                     }
 255                 } else {
 256                     return super.compare(viewer, e1, e2);
 257                 }
 258             }
 259         }
 260
 261         @Override
 262         public void dispose() {
 263             getDefinedTermEditorInput().dispose();
 264             super.dispose();
 265         }
 266 }