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.conversation.ConversationHolder;
  33 import eu.etaxonomy.cdm.api.facade.DerivedUnitFacadeCacheStrategy;
  34 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  35 import eu.etaxonomy.cdm.api.service.config.IIdentifiableEntityServiceConfigurator;
  36 import eu.etaxonomy.cdm.api.service.config.IdentifiableServiceConfiguratorImpl;
  37 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  38 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;
  39 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  40 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  41 import eu.etaxonomy.taxeditor.store.CdmStore;
  42 import eu.etaxonomy.taxeditor.ui.mvc.combo.EnumTermComboController;
  43
  44 /**
  45  * Controller class for the {@link DerivateSearchComposite}.<br>
  46  * This controller contains the logic to search the data base for {@link SpecimenOrObservationBase}s
  47  * and handles GUI events.
  48  *
  49  */
  50 public class DerivateSearchCompositeController implements Listener{
  51
  52     private final DerivateSearchComposite derivateSearchComposite;
  53     private IIdentifiableEntityServiceConfigurator<SpecimenOrObservationBase<DerivedUnitFacadeCacheStrategy>> configurator;
  54     private EnumTermComboController<SpecimenOrObservationType> enumTermComboController;
  55     private final DerivateSearchView derivateSearchView;
  56         private DerivateLabelProvider labelProvider;
  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         LinkedHashMap<SpecimenOrObservationType, String> orderedTerms = AbstractUtility.orderTerms(Arrays.asList(SpecimenOrObservationType.values()));
  69         String[] comboItems = new String[orderedTerms.size()];
  70         int count = 0;
  71         for(String termMessage:orderedTerms.values()){
  72             comboItems[count] = termMessage;
  73             count++;
  74         }
  75
  76         enumTermComboController = new EnumTermComboController<SpecimenOrObservationType>(derivateSearchComposite.getComboDerivateType(), null, null, SpecimenOrObservationType.class, 0);
  77         enumTermComboController.setSelection(SpecimenOrObservationType.Unknown);
  78
  79         derivateSearchComposite.getSearchField().addListener(SWT.KeyDown, this);
  80         derivateSearchComposite.getButtonSearch().addListener(SWT.Selection, this);
  81
  82         TableViewer resultViewer = derivateSearchComposite.getResultViewer();
  83         resultViewer.setContentProvider(new ArrayContentProvider());
  84         labelProvider = new DerivateLabelProvider();
  85         resultViewer.setLabelProvider(labelProvider);
  86         resultViewer.addDoubleClickListener(new IDoubleClickListener() {
  87             @Override
  88             public void doubleClick(DoubleClickEvent event) {
  89                 String commandId = "eu.etaxonomy.taxeditor.editor.handler.openDerivateView";
  90
  91                 IHandlerService handlerService = (IHandlerService) AbstractUtility.getService(IHandlerService.class);
  92                 try {
  93                     handlerService.executeCommand(commandId, null);
  94                 } catch (ExecutionException e) {
  95                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
  96                 } catch (NotDefinedException e) {
  97                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
  98                 } catch (NotEnabledException e) {
  99                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
 100                 } catch (NotHandledException e) {
 101                     MessagingUtils.error(DerivateSearchCompositeController.class, e);
 102                 }
 103
 104             }
 105         });
 106         configurator = new IdentifiableServiceConfiguratorImpl<SpecimenOrObservationBase<DerivedUnitFacadeCacheStrategy>>();
 107
 108     }
 109
 110     private void searchDerivates(){
 111         if(!derivateSearchView.getConversationHolder().isBound()){
 112             derivateSearchView.setFocus(); //rebind the conversation
 113         }
 114
 115         configurator.setTitleSearchString(derivateSearchComposite.getSearchField().getText());
 116         SpecimenOrObservationType type = enumTermComboController.getSelection();
 117         //filter by specimen type
 118         List<SpecimenOrObservationBase> results = CdmStore.getSearchManager().findOccurrencesByType(configurator, type);
 119         //filter out assigned specimens
 120         if(derivateSearchComposite.getBtnFilterUndeterminedSpecimen().getSelection()){
 121             List<SpecimenOrObservationBase> specimensWithNoDetermination = new ArrayList<SpecimenOrObservationBase>();
 122             for(SpecimenOrObservationBase<?> result:results){
 123                 if(CdmStore.getService(IOccurrenceService.class).countDeterminations(result, null)==0){
 124                     specimensWithNoDetermination.add(result);
 125                 }
 126             }
 127             results = specimensWithNoDetermination;
 128         }
 129         derivateSearchComposite.getResultViewer().setInput(results);
 130     }
 131
 132     /* (non-Javadoc)
 133      * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
 134      */
 135     @Override
 136     public void handleEvent(Event event) {
 137         Widget eventSource = event.widget;
 138         if(eventSource == derivateSearchComposite.getButtonSearch()
 139                 || (eventSource == derivateSearchComposite.getSearchField() && event.keyCode == SWT.CR)){
 140             searchDerivates();
 141         }
 142     }
 143
 144     /**
 145      * Sets enable status of all input fields
 146      * @param enabled
 147      */
 148     public void setEnabled(boolean enabled) {
 149         if(!derivateSearchComposite.isDisposed()){
 150             derivateSearchComposite.setEnabled(enabled);
 151         }
 152     }
 153
 154     /**
 155      * Resets all input fields
 156      */
 157     public void reset(){
 158         derivateSearchComposite.getResultViewer().setInput(null);
 159         derivateSearchComposite.getSearchField().setText("");
 160         enumTermComboController.setSelection(SpecimenOrObservationType.Unknown);
 161         derivateSearchComposite.getComboDerivateType().deselectAll();
 162     }
 163
 164     public TableViewer getResultViewer() {
 165         return derivateSearchComposite.getResultViewer();
 166     }
 167
 168     public void setFocus() {
 169         derivateSearchComposite.getResultViewer().getControl().setFocus();
 170     }
 171
 172     /**
 173      * @param conversationHolder
 174      */
 175     public void setConversation(ConversationHolder conversationHolder) {
 176         labelProvider.setConversation(conversationHolder);
 177     }
 178
 179 }