eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/key/polytomous/PolytomousKeyListEditor.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.key.polytomous;
  12
  13 import org.eclipse.core.runtime.IProgressMonitor;
  14 import org.eclipse.jface.viewers.StructuredSelection;
  15 import org.eclipse.jface.viewers.TableViewer;
  16 import org.eclipse.jface.viewers.TableViewerColumn;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.events.MouseAdapter;
  19 import org.eclipse.swt.events.MouseEvent;
  20 import org.eclipse.swt.graphics.Point;
  21 import org.eclipse.swt.graphics.Rectangle;
  22 import org.eclipse.swt.layout.FillLayout;
  23 import org.eclipse.swt.widgets.Composite;
  24 import org.eclipse.swt.widgets.Table;
  25 import org.eclipse.swt.widgets.TableItem;
  26 import org.eclipse.ui.IEditorInput;
  27 import org.eclipse.ui.IEditorSite;
  28 import org.eclipse.ui.PartInitException;
  29 import org.eclipse.ui.part.EditorPart;
  30
  31 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  32 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  33 import eu.etaxonomy.cdm.model.description.PolytomousKey;
  34 import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
  35 import eu.etaxonomy.cdm.model.taxon.Taxon;
  36 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  37 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  38 import eu.etaxonomy.taxeditor.ui.forms.CdmFormFactory;
  39
  40 /**
  41  * @author n.hoffmann
  42  * @created Mar 31, 2011
  43  * @version 1.0
  44  */
  45 public class PolytomousKeyListEditor extends EditorPart implements
  46                 IConversationEnabled {
  47
  48         private class LinkListener extends MouseAdapter {
  49                 /*
  50                  * (non-Javadoc)
  51                  *
  52                  * @see
  53                  * org.eclipse.swt.events.MouseAdapter#mouseUp(org.eclipse.swt.events
  54                  * .MouseEvent)
  55                  */
  56                 @Override
  57                 public void mouseUp(MouseEvent event) {
  58
  59                         Table table = (Table) event.widget;
  60                         // Determine where the mouse was clicked
  61                         Point pt = new Point(event.x, event.y);
  62
  63                         final TableItem item = table.getItem(pt);
  64                         if (item != null) {
  65                                 // Determine which column was selected
  66                                 int column = -1;
  67                                 for (int i = 0, n = table.getColumnCount(); i < n; i++) {
  68                                         Rectangle rect = item.getBounds(i);
  69                                         if (rect.contains(pt)) {
  70                                                 // This is the selected column
  71                                                 column = i;
  72                                                 break;
  73                                         }
  74                                 }
  75                                 if (column == 3) {
  76                                         PolytomousKeyNode node = (PolytomousKeyNode) item.getData();
  77                                         Object linkData = getItemLinkData(node);
  78                                         if (linkData instanceof PolytomousKeyNode) {
  79                                                 viewer.setSelection(new StructuredSelection(linkData),
  80                                                                 true);
  81                                         } else if (linkData instanceof Taxon) {
  82                                                 try {
  83                                                         EditorUtil.openTaxonBase(((Taxon) linkData)
  84                                                                         .getUuid());
  85                                                 } catch (PartInitException e) {
  86                                                         EditorUtil.error(getClass(), e);
  87                                                 }
  88                                         }
  89                                 }
  90                         }
  91                 }
  92
  93                 /**
  94                  * @return
  95                  */
  96                 private Object getItemLinkData(PolytomousKeyNode node) {
  97                         return node.getChildren().isEmpty() ? node.getTaxon() : node
  98                                         .getChildAt(0);
  99                 }
 100         }
 101
 102         public static final String ID = "eu.etaxonomy.taxeditor.editor.key.polytomous.list";
 103
 104         private CdmFormFactory formFactory;
 105         private Composite container;
 106
 107         private TableViewer viewer;
 108
 109         /*
 110          * (non-Javadoc)
 111          *
 112          * @see
 113          * eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update
 114          * (eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)
 115          */
 116         @Override
 117         public void update(CdmDataChangeMap arg0) {
 118
 119         }
 120
 121         /*
 122          * (non-Javadoc)
 123          *
 124          * @see
 125          * eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder
 126          * ()
 127          */
 128         @Override
 129         public ConversationHolder getConversationHolder() {
 130                 return ((PolytomousKeyEditorInput) getEditorInput())
 131                                 .getConversationHolder();
 132         }
 133
 134         /*
 135          * (non-Javadoc)
 136          *
 137          * @see org.eclipse.ui.part.EditorPart#doSave(org.eclipse.core.runtime.
 138          * IProgressMonitor)
 139          */
 140         @Override
 141         public void doSave(IProgressMonitor monitor) {
 142
 143         }
 144
 145         /*
 146          * (non-Javadoc)
 147          *
 148          * @see org.eclipse.ui.part.EditorPart#doSaveAs()
 149          */
 150         @Override
 151         public void doSaveAs() {
 152         }
 153
 154         /*
 155          * (non-Javadoc)
 156          *
 157          * @see org.eclipse.ui.part.EditorPart#init(org.eclipse.ui.IEditorSite,
 158          * org.eclipse.ui.IEditorInput)
 159          */
 160         @Override
 161         public void init(IEditorSite site, IEditorInput input)
 162                         throws PartInitException {
 163                 setSite(site);
 164                 setInput(input);
 165                 formFactory = new CdmFormFactory(site.getShell().getDisplay());
 166         }
 167
 168         /*
 169          * (non-Javadoc)
 170          *
 171          * @see org.eclipse.ui.part.EditorPart#isDirty()
 172          */
 173         @Override
 174         public boolean isDirty() {
 175                 // TODO Auto-generated method stub
 176                 return false;
 177         }
 178
 179         /*
 180          * (non-Javadoc)
 181          *
 182          * @see org.eclipse.ui.part.EditorPart#isSaveAsAllowed()
 183          */
 184         @Override
 185         public boolean isSaveAsAllowed() {
 186                 return false;
 187         }
 188
 189         /*
 190          * (non-Javadoc)
 191          *
 192          * @see
 193          * org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets
 194          * .Composite)
 195          */
 196         @Override
 197         public void createPartControl(Composite parent) {
 198
 199                 FillLayout fillLayout = new FillLayout();
 200                 fillLayout.marginWidth = 0;
 201                 fillLayout.marginHeight = 0;
 202                 fillLayout.type = SWT.VERTICAL;
 203                 parent.setLayout(fillLayout);
 204
 205                 viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL
 206                                 | SWT.V_SCROLL | SWT.FULL_SELECTION);
 207                 getSite().setSelectionProvider(viewer);
 208
 209                 createColumns(viewer);
 210                 viewer.getControl().addMouseListener(new LinkListener());
 211                 viewer.setContentProvider(new PolytomousKeyListContentProvider());
 212                 viewer.setLabelProvider(new PolytomousKeyListLabelProvider());
 213
 214                 // viewer.getControl().setLayoutData(CdmFormFactory.FILL());
 215
 216                 PolytomousKey key = ((PolytomousKeyEditorInput) getEditorInput())
 217                                 .getKey();
 218
 219                 viewer.setInput(key);
 220         }
 221
 222         // This will create the columns for the table
 223         private void createColumns(TableViewer viewer) {
 224                 Table table = viewer.getTable();
 225                 String[] titles = { "Node Number", "Question", "Statement", "Link" };
 226                 int[] bounds = { 50, 200, 200, 100 };
 227
 228                 for (int i = 0; i < titles.length; i++) {
 229                         TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
 230                         column.getColumn().setText(titles[i]);
 231                         column.getColumn().setWidth(bounds[i]);
 232                         column.getColumn().setResizable(true);
 233                         column.getColumn().setMoveable(true);
 234                 }
 235                 table.setHeaderVisible(true);
 236                 table.setLinesVisible(false);
 237
 238         }
 239
 240         /*
 241          * (non-Javadoc)
 242          *
 243          * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
 244          */
 245         @Override
 246         public void setFocus() {
 247                 setPartName("Test");
 248         }
 249
 250 }