eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/derivateSearch/DerivateSearchCompositeController.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2013 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.derivateSearch;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14
  15 import org.eclipse.core.commands.ExecutionException;
  16 import org.eclipse.core.commands.NotEnabledException;
  17 import org.eclipse.core.commands.NotHandledException;
  18 import org.eclipse.core.commands.common.NotDefinedException;
  19 import org.eclipse.jface.viewers.ArrayContentProvider;
  20 import org.eclipse.jface.viewers.DoubleClickEvent;
  21 import org.eclipse.jface.viewers.IDoubleClickListener;
  22 import org.eclipse.jface.viewers.TableViewer;
  23 import org.eclipse.swt.SWT;
  24 import org.eclipse.swt.widgets.Composite;
  25 import org.eclipse.swt.widgets.Event;
  26 import org.eclipse.swt.widgets.Listener;
  27 import org.eclipse.swt.widgets.Widget;
  28 import org.eclipse.ui.handlers.IHandlerService;
  29
  30 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  31 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  32 import eu.etaxonomy.cdm.api.service.config.FindOccurrencesConfigurator;
  33 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  34 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;
  35 import eu.etaxonomy.cdm.model.taxon.Taxon;
  36 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  37 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  38 import eu.etaxonomy.taxeditor.store.CdmStore;
  39 import eu.etaxonomy.taxeditor.store.SearchManager;
  40 import eu.etaxonomy.taxeditor.ui.dialog.selection.SelectionDialogFactory;
  41 import eu.etaxonomy.taxeditor.ui.mvc.combo.EnumTermComboController;
  42
  43 /**
  44  * Controller class for the {@link DerivateSearchComposite}.<br>
  45  * This controller contains the logic to search the data base for {@link SpecimenOrObservationBase}s
  46  * and handles GUI events.
  47  *
  48  */
  49 public class DerivateSearchCompositeController implements Listener{
  50
  51     private final DerivateSearchComposite derivateSearchComposite;
  52     private EnumTermComboController<SpecimenOrObservationType> comboSpecimenTypeController;
  53     private final DerivateSearchView derivateSearchView;
  54         private DerivateLabelProvider labelProvider;
  55         private Taxon selectedTaxon;
  56
  57     /**
  58      * @param parent
  59      * @param derivateSearchView
  60      */
  61     public DerivateSearchCompositeController(Composite parent, DerivateSearchView derivateSearchView) {
  62         this.derivateSearchComposite = new DerivateSearchComposite(parent, SWT.NONE);
  63         this.derivateSearchView = derivateSearchView;
  64         init();
  65     }
  66
  67     private void init(){
  68         //derivate type combo
  69         comboSpecimenTypeController = new EnumTermComboController<SpecimenOrObservationType>(derivateSearchComposite.getComboDerivateType(), null, null, SpecimenOrObservationType.class, 0);
  70         comboSpecimenTypeController.setSelection(SpecimenOrObservationType.Unknown);
  71
  72         //add listeners
  73         derivateSearchComposite.getSearchField().addListener(SWT.KeyDown, this);
  74         derivateSearchComposite.getButtonSearch().addListener(SWT.Selection, this);
  75         derivateSearchComposite.getBtnBrowseTaxa().addListener(SWT.Selection, this);
  76         derivateSearchComposite.getBtnClearTaxon().addListener(SWT.Selection, this);
  77
  78
  79         //result table
  80         TableViewer resultViewer = derivateSearchComposite.getResultViewer();
  81         resultViewer.setContentProvider(new ArrayContentProvider());
  82         labelProvider = new DerivateLabelProvider();
  83         resultViewer.setLabelProvider(labelProvider);
  84         resultViewer.addDoubleClickListener(new IDoubleClickListener() {
  85             @Override
  86             public void doubleClick(DoubleClickEvent event) {
  87                 String commandId = "eu.etaxonomy.taxeditor.editor.handler.openDerivateView";
  88
  89                 IHandlerService handlerService = (IHandlerService) AbstractUtility.getService(IHandlerService.class);
  90                 try {
  91                     handlerService.executeCommand(commandId, null);
  92                 } catch (ExecutionException e) {
  93                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
  94                 } catch (NotDefinedException e) {
  95                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
  96                 } catch (NotEnabledException e) {
  97                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
  98                 } catch (NotHandledException e) {
  99                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
 100                 }
 101
 102             }
 103         });
 104
 105     }
 106
 107     private void searchDerivates(){
 108         if(!derivateSearchView.getConversationHolder().isBound()){
 109             derivateSearchView.setFocus(); //rebind the conversation
 110         }
 111
 112         String queryString = derivateSearchComposite.getSearchField().getText();
 113         SpecimenOrObservationType specimenType = comboSpecimenTypeController.getSelection();
 114
 115         FindOccurrencesConfigurator config = new FindOccurrencesConfigurator();
 116         config.setAssociatedTaxonUuid(selectedTaxon!=null?selectedTaxon.getUuid():null);
 117         config.setSpecimenType(specimenType.equals(SpecimenOrObservationType.Unknown)?null:specimenType);//unknown := all types
 118         config.setTitleSearchString(queryString);
 119         if(selectedTaxon!=null){
 120             config.setRetrieveIndirectlyAssociatedSpecimens(true);
 121             config.setSpecimenType(null);
 122         }
 123
 124         SearchManager searchManager = new SearchManager();
 125         List<SpecimenOrObservationBase> occurrences = searchManager.findOccurrences(config);
 126
 127         //filter out specimens of wrong type (only if an associated taxon was selected)
 128         if(selectedTaxon!=null && !specimenType.equals(SpecimenOrObservationType.Unknown)){
 129             List<SpecimenOrObservationBase> specimensOfCorrectType = new ArrayList<SpecimenOrObservationBase>();
 130             for(SpecimenOrObservationBase<?> occurrence:occurrences){
 131                 if(occurrence.getRecordBasis().equals(specimenType)
 132                         || occurrence.getRecordBasis().isKindOf(specimenType)){
 133                     specimensOfCorrectType.add(occurrence);
 134                 }
 135             }
 136             occurrences = specimensOfCorrectType;
 137         }
 138
 139         //filter out assigned specimens
 140         if(derivateSearchComposite.getBtnFilterUndeterminedSpecimen().getSelection()){
 141             List<SpecimenOrObservationBase> specimensWithNoDetermination = new ArrayList<SpecimenOrObservationBase>();
 142             for(SpecimenOrObservationBase<?> result:occurrences){
 143                 if(CdmStore.getService(IOccurrenceService.class).countDeterminations(result, null)==0){
 144                     specimensWithNoDetermination.add(result);
 145                 }
 146             }
 147             occurrences = specimensWithNoDetermination;
 148         }
 149         derivateSearchComposite.getResultViewer().setInput(occurrences);
 150     }
 151
 152     /* (non-Javadoc)
 153      * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
 154      */
 155     @Override
 156     public void handleEvent(Event event) {
 157         Widget eventSource = event.widget;
 158         if(eventSource == derivateSearchComposite.getButtonSearch()
 159                 || (eventSource == derivateSearchComposite.getSearchField() && event.keyCode == SWT.CR)){
 160             searchDerivates();
 161         }
 162         else if(eventSource==derivateSearchComposite.getBtnBrowseTaxa()){
 163             selectedTaxon = SelectionDialogFactory.getSelectionFromDialog(Taxon.class, derivateSearchView.getSite().getShell(), derivateSearchView.getConversationHolder(), null);
 164             if(selectedTaxon!=null){
 165                 derivateSearchComposite.getTextTaxonName().setText(selectedTaxon.getTitleCache());
 166             }
 167         }
 168         else if(eventSource==derivateSearchComposite.getBtnClearTaxon()){
 169             selectedTaxon = null;
 170             derivateSearchComposite.getTextTaxonName().setText("");
 171         }
 172     }
 173
 174     /**
 175      * Sets enable status of all input fields
 176      * @param enabled
 177      */
 178     public void setEnabled(boolean enabled) {
 179         if(!derivateSearchComposite.isDisposed()){
 180             derivateSearchComposite.setEnabled(enabled);
 181         }
 182     }
 183
 184     /**
 185      * Resets all input fields
 186      */
 187     public void reset(){
 188         if(!derivateSearchComposite.isDisposed()){
 189             derivateSearchComposite.getResultViewer().setInput(null);
 190             derivateSearchComposite.getSearchField().setText("");
 191             derivateSearchComposite.getComboDerivateType().deselectAll();
 192             comboSpecimenTypeController.setSelection(SpecimenOrObservationType.Unknown);
 193         }
 194         selectedTaxon = null;
 195     }
 196
 197     public TableViewer getResultViewer() {
 198         return derivateSearchComposite.getResultViewer();
 199     }
 200
 201     public void setFocus() {
 202         derivateSearchComposite.getResultViewer().getControl().setFocus();
 203     }
 204
 205     /**
 206      * @param conversationHolder
 207      */
 208     public void setConversation(ConversationHolder conversationHolder) {
 209         labelProvider.setConversation(conversationHolder);
 210     }
 211
 212 }