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.model.MessagingUtils;
  40 import eu.etaxonomy.taxeditor.store.CdmStore;
  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 IIdentifiableEntityServiceConfigurator<SpecimenOrObservationBase<DerivedUnitFacadeCacheStrategy>> configurator;
  53     private EnumTermComboController<SpecimenOrObservationType> enumTermComboController;
  54     private final DerivateSearchView derivateSearchView;
  55
  56     /**
  57      * @param parent
  58      * @param derivateSearchView
  59      */
  60     public DerivateSearchCompositeController(Composite parent, DerivateSearchView derivateSearchView) {
  61         this.derivateSearchComposite = new DerivateSearchComposite(parent, SWT.NONE);
  62         this.derivateSearchView = derivateSearchView;
  63         init();
  64     }
  65
  66     private void init(){
  67         LinkedHashMap<SpecimenOrObservationType, String> orderedTerms = AbstractUtility.orderTerms(Arrays.asList(SpecimenOrObservationType.values()));
  68         String[] comboItems = new String[orderedTerms.size()];
  69         int count = 0;
  70         for(String termMessage:orderedTerms.values()){
  71             comboItems[count] = termMessage;
  72             count++;
  73         }
  74
  75         enumTermComboController = new EnumTermComboController<SpecimenOrObservationType>(derivateSearchComposite.getComboDerivateType(), null, null, SpecimenOrObservationType.class, 0);
  76         enumTermComboController.setSelection(SpecimenOrObservationType.Unknown);
  77
  78         derivateSearchComposite.getSearchField().addListener(SWT.KeyDown, this);
  79         derivateSearchComposite.getButtonSearch().addListener(SWT.Selection, this);
  80
  81         TableViewer resultViewer = derivateSearchComposite.getResultViewer();
  82         resultViewer.setContentProvider(new ArrayContentProvider());
  83         resultViewer.setLabelProvider(new DerivateLabelProvider());
  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         configurator = new IdentifiableServiceConfiguratorImpl<SpecimenOrObservationBase<DerivedUnitFacadeCacheStrategy>>();
 105
 106     }
 107
 108     private void searchDerivates(){
 109         if(!derivateSearchView.getConversationHolder().isBound()){
 110             derivateSearchView.setFocus(); //rebind the conversation
 111         }
 112
 113         configurator.setTitleSearchString(derivateSearchComposite.getSearchField().getText());
 114         SpecimenOrObservationType type = enumTermComboController.getSelection();
 115         //filter by specimen type
 116         List<SpecimenOrObservationBase> results = CdmStore.getSearchManager().findOccurrencesByType(configurator, type);
 117         //filter out assigned specimens
 118         if(derivateSearchComposite.getBtnFilterUndeterminedSpecimen().getSelection()){
 119             List<SpecimenOrObservationBase> specimensWithNoDetermination = new ArrayList<SpecimenOrObservationBase>();
 120             for(SpecimenOrObservationBase<?> result:results){
 121                 if(CdmStore.getService(IOccurrenceService.class).countDeterminations(result, null)==0){
 122                     specimensWithNoDetermination.add(result);
 123                 }
 124             }
 125             results = specimensWithNoDetermination;
 126         }
 127         derivateSearchComposite.getResultViewer().setInput(results);
 128     }
 129
 130     /* (non-Javadoc)
 131      * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
 132      */
 133     @Override
 134     public void handleEvent(Event event) {
 135         Widget eventSource = event.widget;
 136         if(eventSource == derivateSearchComposite.getButtonSearch()
 137                 || (eventSource == derivateSearchComposite.getSearchField() && event.keyCode == SWT.CR)){
 138             searchDerivates();
 139         }
 140     }
 141
 142     /**
 143      * Sets enable status of all input fields
 144      * @param enabled
 145      */
 146     public void setEnabled(boolean enabled) {
 147         if(!derivateSearchComposite.isDisposed()){
 148             derivateSearchComposite.setEnabled(enabled);
 149         }
 150     }
 151
 152     /**
 153      * Resets all input fields
 154      */
 155     public void reset(){
 156         derivateSearchComposite.getResultViewer().setInput(null);
 157         derivateSearchComposite.getSearchField().setText("");
 158         enumTermComboController.setSelection(SpecimenOrObservationType.Unknown);
 159         derivateSearchComposite.getComboDerivateType().deselectAll();
 160     }
 161
 162     public TableViewer getResultViewer() {
 163         return derivateSearchComposite.getResultViewer();
 164     }
 165
 166     public void setFocus() {
 167         derivateSearchComposite.getResultViewer().getControl().setFocus();
 168     }
 169
 170 }