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
  55     /**
  56      * @param parent
  57      */
  58     public DerivateSearchCompositeController(Composite parent) {
  59         this.derivateSearchComposite = new DerivateSearchComposite(parent, SWT.NONE);
  60         init();
  61     }
  62
  63     private void init(){
  64         LinkedHashMap<SpecimenOrObservationType, String> orderedTerms = AbstractUtility.orderTerms(Arrays.asList(SpecimenOrObservationType.values()));
  65         String[] comboItems = new String[orderedTerms.size()];
  66         int count = 0;
  67         for(String termMessage:orderedTerms.values()){
  68             comboItems[count] = termMessage;
  69             count++;
  70         }
  71
  72         enumTermComboController = new EnumTermComboController<SpecimenOrObservationType>(derivateSearchComposite.getComboDerivateType(), null, null, SpecimenOrObservationType.class, 0);
  73         enumTermComboController.setSelection(SpecimenOrObservationType.Unknown);
  74
  75         derivateSearchComposite.getSearchField().addListener(SWT.KeyDown, this);
  76         derivateSearchComposite.getButtonSearch().addListener(SWT.Selection, this);
  77
  78         TableViewer resultViewer = derivateSearchComposite.getResultViewer();
  79         resultViewer.setContentProvider(new ArrayContentProvider());
  80         resultViewer.setLabelProvider(new DerivateLabelProvider());
  81         resultViewer.addDoubleClickListener(new IDoubleClickListener() {
  82             @Override
  83             public void doubleClick(DoubleClickEvent event) {
  84                 String commandId = "eu.etaxonomy.taxeditor.editor.handler.openDerivateView";
  85
  86                 IHandlerService handlerService = (IHandlerService) AbstractUtility.getService(IHandlerService.class);
  87                 try {
  88                     handlerService.executeCommand(commandId, null);
  89                 } catch (ExecutionException e) {
  90                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
  91                 } catch (NotDefinedException e) {
  92                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
  93                 } catch (NotEnabledException e) {
  94                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
  95                 } catch (NotHandledException e) {
  96                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
  97                 }
  98
  99             }
 100         });
 101         configurator = new IdentifiableServiceConfiguratorImpl<SpecimenOrObservationBase<DerivedUnitFacadeCacheStrategy>>();
 102
 103     }
 104
 105     private void searchDerivates(){
 106         configurator.setTitleSearchString(derivateSearchComposite.getSearchField().getText());
 107         SpecimenOrObservationType type = enumTermComboController.getSelection();
 108         //filter by specimen type
 109         List<SpecimenOrObservationBase> results = CdmStore.getSearchManager().findOccurrencesByType(configurator, type);
 110         //filter out assigned specimens
 111         if(derivateSearchComposite.getBtnFilterUndeterminedSpecimen().getSelection()){
 112             List<SpecimenOrObservationBase> specimensWithNoDetermination = new ArrayList<SpecimenOrObservationBase>();
 113             for(SpecimenOrObservationBase<?> result:results){
 114                 if(CdmStore.getService(IOccurrenceService.class).countDeterminations(result, null)==0){
 115                     specimensWithNoDetermination.add(result);
 116                 }
 117             }
 118             results = specimensWithNoDetermination;
 119         }
 120         derivateSearchComposite.getResultViewer().setInput(results);
 121     }
 122
 123     /* (non-Javadoc)
 124      * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
 125      */
 126     @Override
 127     public void handleEvent(Event event) {
 128         Widget eventSource = event.widget;
 129         if(eventSource == derivateSearchComposite.getButtonSearch()
 130                 || (eventSource == derivateSearchComposite.getSearchField() && event.keyCode == SWT.CR)){
 131             searchDerivates();
 132         }
 133     }
 134
 135     /**
 136      * Sets enable status of all input fields
 137      * @param enabled
 138      */
 139     public void setEnabled(boolean enabled) {
 140         if(!derivateSearchComposite.isDisposed()){
 141             derivateSearchComposite.setEnabled(enabled);
 142         }
 143     }
 144
 145     /**
 146      * Resets all input fields
 147      */
 148     public void reset(){
 149         derivateSearchComposite.getResultViewer().setInput(null);
 150         derivateSearchComposite.getSearchField().setText("");
 151         derivateSearchComposite.getComboDerivateType().deselectAll();
 152     }
 153
 154     public TableViewer getResultViewer() {
 155         return derivateSearchComposite.getResultViewer();
 156     }
 157
 158     public void setFocus() {
 159         derivateSearchComposite.getResultViewer().getControl().setFocus();
 160     }
 161
 162 }