eclipseprojects/eu.etaxonomy.taxeditor/src/eu/etaxonomy/taxeditor/view/RecentNamesTableViewer.java

   1 package eu.etaxonomy.taxeditor.view;
   2
   3 import org.eclipse.core.databinding.beans.BeansObservables;
   4 import org.eclipse.core.databinding.observable.map.IObservableMap;
   5 import org.eclipse.jface.databinding.viewers.ObservableListContentProvider;
   6 import org.eclipse.jface.databinding.viewers.ObservableMapLabelProvider;
   7 import org.eclipse.jface.viewers.DoubleClickEvent;
   8 import org.eclipse.jface.viewers.IDoubleClickListener;
   9 import org.eclipse.jface.viewers.StructuredSelection;
  10 import org.eclipse.jface.viewers.TableViewer;
  11 import org.eclipse.swt.SWT;
  12 import org.eclipse.swt.layout.GridData;
  13 import org.eclipse.swt.widgets.Composite;
  14
  15 import eu.etaxonomy.cdm.model.taxon.Taxon;
  16 import eu.etaxonomy.taxeditor.Activator;
  17 import eu.etaxonomy.taxeditor.controller.ActionOpenNameEditor;
  18
  19 public class RecentNamesTableViewer extends TableViewer {
  20
  21         public RecentNamesTableViewer(Composite parent) {
  22                 super(parent, SWT.H_SCROLL | SWT.V_SCROLL);
  23                 this.getTable().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  24
  25                 // Add content provider
  26                 ObservableListContentProvider rnViewerContentProviderList = new ObservableListContentProvider();
  27                 this.setContentProvider(rnViewerContentProviderList);
  28
  29                 // Label provider that listens for changes to name cache
  30                 IObservableMap[] rnViewerLabelProviderMaps = BeansObservables.observeMaps(rnViewerContentProviderList.
  31                                 getKnownElements(), Taxon.class, new String[]{"name"});
  32                 this.setLabelProvider(new ObservableMapLabelProvider(rnViewerLabelProviderMaps) {
  33
  34                         /*
  35                          * JFace databinding syntax makes it to difficult to retrieve
  36                          *      Taxon.getName().getNameCache, so override function that returns
  37                          *  label
  38                          *
  39                          *  (non-Javadoc)
  40                          * @see org.eclipse.jface.databinding.viewers.ObservableMapLabelProvider#getColumnText(java.lang.Object, int)
  41                          */
  42                         public String getColumnText(Object element, int columnIndex) {
  43                                 return ((Taxon) element).getName().getTitleCache();
  44                         }
  45                 });
  46
  47                 // Listens for new taxa opened for editing
  48                 this.setInput(Activator.getDefault().getObservableRecentNamesList());
  49
  50                 // On double click, open name editor
  51                 this.addDoubleClickListener(new IDoubleClickListener(){
  52
  53                         public void doubleClick(DoubleClickEvent event) {
  54                                 Taxon taxon = null;
  55                                 try {
  56                                         taxon = (Taxon) ((StructuredSelection)event.getSelection()).getFirstElement();
  57                                 }catch (Exception e){
  58                                         e.printStackTrace();
  59                                         taxon = null;
  60                                 }
  61                                 new ActionOpenNameEditor(taxon).run();
  62                         }
  63                 });
  64         }
  65 }