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.Arrays;
  14 import java.util.LinkedHashMap;
  15 import java.util.List;
  16
  17 import org.eclipse.core.commands.ExecutionException;
  18 import org.eclipse.core.commands.NotEnabledException;
  19 import org.eclipse.core.commands.NotHandledException;
  20 import org.eclipse.core.commands.common.NotDefinedException;
  21 import org.eclipse.jface.viewers.ArrayContentProvider;
  22 import org.eclipse.jface.viewers.DoubleClickEvent;
  23 import org.eclipse.jface.viewers.IDoubleClickListener;
  24 import org.eclipse.jface.viewers.TableViewer;
  25 import org.eclipse.swt.SWT;
  26 import org.eclipse.swt.widgets.Composite;
  27 import org.eclipse.swt.widgets.Event;
  28 import org.eclipse.swt.widgets.Listener;
  29 import org.eclipse.swt.widgets.Widget;
  30 import org.eclipse.ui.handlers.IHandlerService;
  31
  32 import eu.etaxonomy.cdm.api.facade.DerivedUnitFacadeCacheStrategy;
  33 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  34 import eu.etaxonomy.cdm.api.service.config.IIdentifiableEntityServiceConfigurator;
  35 import eu.etaxonomy.cdm.api.service.config.IdentifiableServiceConfiguratorImpl;
  36 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  37 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;
  38 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  39 import eu.etaxonomy.taxeditor.store.CdmStore;
  40 import eu.etaxonomy.taxeditor.ui.mvc.combo.EnumTermComboController;
  41
  42 /**
  43  * Controller class for the {@link DerivateSearchComposite}.<br>
  44  * This controller contains the logic to search the data base for {@link SpecimenOrObservationBase}s
  45  * and handles GUI events.
  46  *
  47  */
  48 public class DerivateSearchCompositeController implements Listener{
  49
  50     private final DerivateSearchComposite derivateSearchComposite;
  51     private IIdentifiableEntityServiceConfigurator<SpecimenOrObservationBase<DerivedUnitFacadeCacheStrategy>> configurator;
  52     private EnumTermComboController<SpecimenOrObservationType> enumTermComboController;
  53     private final DerivateSearchView derivateSearchView;
  54
  55     /**
  56      * @param parent
  57      * @param derivateSearchView
  58      */
  59     public DerivateSearchCompositeController(Composite parent, DerivateSearchView derivateSearchView) {
  60         this.derivateSearchComposite = new DerivateSearchComposite(parent, SWT.NONE);
  61         this.derivateSearchView = derivateSearchView;
  62         init();
  63     }
  64
  65     private void init(){
  66         LinkedHashMap<SpecimenOrObservationType, String> orderedTerms = AbstractUtility.orderTerms(Arrays.asList(SpecimenOrObservationType.values()));
  67         String[] comboItems = new String[orderedTerms.size()];
  68         int count = 0;
  69         for(String termMessage:orderedTerms.values()){
  70             comboItems[count] = termMessage;
  71             count++;
  72         }
  73
  74         enumTermComboController = new EnumTermComboController<SpecimenOrObservationType>(derivateSearchComposite.getComboDerivateType(), null, null, SpecimenOrObservationType.class, 0);
  75         enumTermComboController.setSelection(SpecimenOrObservationType.Unknown);
  76
  77         derivateSearchComposite.getSearchField().addListener(SWT.KeyDown, this);
  78         derivateSearchComposite.getButtonSearch().addListener(SWT.Selection, this);
  79
  80         TableViewer resultViewer = derivateSearchComposite.getResultViewer();
  81         resultViewer.setContentProvider(new ArrayContentProvider());
  82         resultViewer.setLabelProvider(new DerivateLabelProvider());
  83         resultViewer.addDoubleClickListener(new IDoubleClickListener() {
  84             @Override
  85             public void doubleClick(DoubleClickEvent event) {
  86                 String commandId = "eu.etaxonomy.taxeditor.editor.handler.openDerivateView";
  87
  88                 IHandlerService handlerService = (IHandlerService) AbstractUtility.getService(IHandlerService.class);
  89                 try {
  90                     handlerService.executeCommand(commandId, null);
  91                 } catch (ExecutionException e) {
  92                     AbstractUtility.error(DerivateSearchCompositeController.class, e);
  93                 } catch (NotDefinedException e) {
  94                     AbstractUtility.error(DerivateSearchCompositeController.class, e);
  95                 } catch (NotEnabledException e) {
  96                     AbstractUtility.error(DerivateSearchCompositeController.class, e);
  97                 } catch (NotHandledException e) {
  98                     AbstractUtility.error(DerivateSearchCompositeController.class, e);
  99                 }
 100
 101             }
 102         });
 103         configurator = new IdentifiableServiceConfiguratorImpl<SpecimenOrObservationBase<DerivedUnitFacadeCacheStrategy>>();
 104
 105     }
 106
 107     private void searchDerivates(){
 108         if(!derivateSearchView.getConversationHolder().isBound()){
 109             derivateSearchView.setFocus(); //rebind the conversation
 110         }
 111
 112         configurator.setTitleSearchString(derivateSearchComposite.getSearchField().getText());
 113         SpecimenOrObservationType type = enumTermComboController.getSelection();
 114         //filter by specimen type
 115         List<SpecimenOrObservationBase> results = CdmStore.getSearchManager().findOccurrencesByType(configurator, type);
 116         //filter out assigned specimens
 117         if(derivateSearchComposite.getBtnFilterUndeterminedSpecimen().getSelection()){
 118             List<SpecimenOrObservationBase> specimensWithNoDetermination = new ArrayList<SpecimenOrObservationBase>();
 119             for(SpecimenOrObservationBase<?> result:results){
 120                 if(CdmStore.getService(IOccurrenceService.class).countDeterminations(result, null)==0){
 121                     specimensWithNoDetermination.add(result);
 122                 }
 123             }
 124             results = specimensWithNoDetermination;
 125         }
 126         derivateSearchComposite.getResultViewer().setInput(results);
 127     }
 128
 129     /* (non-Javadoc)
 130      * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
 131      */
 132     @Override
 133     public void handleEvent(Event event) {
 134         Widget eventSource = event.widget;
 135         if(eventSource == derivateSearchComposite.getButtonSearch()
 136                 || (eventSource == derivateSearchComposite.getSearchField() && event.keyCode == SWT.CR)){
 137             searchDerivates();
 138         }
 139     }
 140
 141     /**
 142      * Sets enable status of all input fields
 143      * @param enabled
 144      */
 145     public void setEnabled(boolean enabled) {
 146         if(!derivateSearchComposite.isDisposed()){
 147             derivateSearchComposite.setEnabled(enabled);
 148         }
 149     }
 150
 151     /**
 152      * Resets all input fields
 153      */
 154     public void reset(){
 155         derivateSearchComposite.getResultViewer().setInput(null);
 156         derivateSearchComposite.getSearchField().setText("");
 157         enumTermComboController.setSelection(SpecimenOrObservationType.Unknown);
 158         derivateSearchComposite.getComboDerivateType().deselectAll();
 159     }
 160
 161     public TableViewer getResultViewer() {
 162         return derivateSearchComposite.getResultViewer();
 163     }
 164
 165     public void setFocus() {
 166         derivateSearchComposite.getResultViewer().getControl().setFocus();
 167     }
 168
 169 }