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.facade.DerivedUnitFacadeCacheStrategy;
  32 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  33 import eu.etaxonomy.cdm.api.service.config.IIdentifiableEntityServiceConfigurator;
  34 import eu.etaxonomy.cdm.api.service.config.IdentifiableServiceConfiguratorImpl;
  35 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  36 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;
  37 import eu.etaxonomy.cdm.model.taxon.Taxon;
  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.dialog.selection.SelectionDialogFactory;
  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         private Taxon selectedTaxon;
  58
  59     /**
  60      * @param parent
  61      * @param derivateSearchView
  62      */
  63     public DerivateSearchCompositeController(Composite parent, DerivateSearchView derivateSearchView) {
  64         this.derivateSearchComposite = new DerivateSearchComposite(parent, SWT.NONE);
  65         this.derivateSearchView = derivateSearchView;
  66         init();
  67     }
  68
  69     private void init(){
  70         //derivate type combo
  71         enumTermComboController = new EnumTermComboController<SpecimenOrObservationType>(derivateSearchComposite.getComboDerivateType(), null, null, SpecimenOrObservationType.class, 0);
  72         enumTermComboController.setSelection(SpecimenOrObservationType.Unknown);
  73
  74         //add listeners
  75         derivateSearchComposite.getSearchField().addListener(SWT.KeyDown, this);
  76         derivateSearchComposite.getButtonSearch().addListener(SWT.Selection, this);
  77         derivateSearchComposite.getBtnBrowseTaxa().addListener(SWT.Selection, this);
  78         derivateSearchComposite.getBtnClearTaxon().addListener(SWT.Selection, this);
  79
  80
  81         //result table
  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
 116         List<SpecimenOrObservationBase<?>> filteredByAssociatedTaxon = null;
 117         //filter by taxon
 118         if(selectedTaxon!=null){
 119             filteredByAssociatedTaxon = CdmStore.getService(IOccurrenceService.class).listByAssociatedTaxon(null, null, selectedTaxon, null, null, null, null, null);
 120         }
 121
 122         //filter by specimen type
 123         configurator.setTitleSearchString(derivateSearchComposite.getSearchField().getText());
 124         SpecimenOrObservationType type = enumTermComboController.getSelection();
 125         List<SpecimenOrObservationBase> filteredByType = new ArrayList<SpecimenOrObservationBase>();
 126         if(filteredByAssociatedTaxon!=null){
 127             for (SpecimenOrObservationBase specimenOrObservationBase : filteredByAssociatedTaxon) {
 128                 if(type.equals(SpecimenOrObservationType.Unknown) || specimenOrObservationBase.getRecordBasis().equals(type)){
 129                     filteredByType.add(specimenOrObservationBase);
 130                 }
 131             }
 132         }
 133         else{
 134             filteredByType = CdmStore.getSearchManager().findOccurrencesByType(configurator, type);
 135         }
 136
 137         //filter out assigned specimens
 138         if(derivateSearchComposite.getBtnFilterUndeterminedSpecimen().getSelection()){
 139             List<SpecimenOrObservationBase> specimensWithNoDetermination = new ArrayList<SpecimenOrObservationBase>();
 140             for(SpecimenOrObservationBase<?> result:filteredByType){
 141                 if(CdmStore.getService(IOccurrenceService.class).countDeterminations(result, null)==0){
 142                     specimensWithNoDetermination.add(result);
 143                 }
 144             }
 145             filteredByType = specimensWithNoDetermination;
 146         }
 147         derivateSearchComposite.getResultViewer().setInput(filteredByType);
 148     }
 149
 150     /* (non-Javadoc)
 151      * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
 152      */
 153     @Override
 154     public void handleEvent(Event event) {
 155         Widget eventSource = event.widget;
 156         if(eventSource == derivateSearchComposite.getButtonSearch()
 157                 || (eventSource == derivateSearchComposite.getSearchField() && event.keyCode == SWT.CR)){
 158             searchDerivates();
 159         }
 160         else if(eventSource==derivateSearchComposite.getBtnBrowseTaxa()){
 161             selectedTaxon = SelectionDialogFactory.getSelectionFromDialog(Taxon.class, derivateSearchView.getSite().getShell(), derivateSearchView.getConversationHolder(), null);
 162             if(selectedTaxon!=null){
 163                 derivateSearchComposite.getTextTaxonName().setText(selectedTaxon.getTitleCache());
 164             }
 165         }
 166         else if(eventSource==derivateSearchComposite.getBtnClearTaxon()){
 167             selectedTaxon = null;
 168             derivateSearchComposite.getTextTaxonName().setText("");
 169         }
 170     }
 171
 172     /**
 173      * Sets enable status of all input fields
 174      * @param enabled
 175      */
 176     public void setEnabled(boolean enabled) {
 177         if(!derivateSearchComposite.isDisposed()){
 178             derivateSearchComposite.setEnabled(enabled);
 179         }
 180     }
 181
 182     /**
 183      * Resets all input fields
 184      */
 185     public void reset(){
 186         derivateSearchComposite.getResultViewer().setInput(null);
 187         derivateSearchComposite.getSearchField().setText("");
 188         enumTermComboController.setSelection(SpecimenOrObservationType.Unknown);
 189         derivateSearchComposite.getComboDerivateType().deselectAll();
 190         selectedTaxon = null;
 191     }
 192
 193     public TableViewer getResultViewer() {
 194         return derivateSearchComposite.getResultViewer();
 195     }
 196
 197     public void setFocus() {
 198         derivateSearchComposite.getResultViewer().getControl().setFocus();
 199     }
 200
 201     /**
 202      * @param conversationHolder
 203      */
 204     public void setConversation(ConversationHolder conversationHolder) {
 205         labelProvider.setConversation(conversationHolder);
 206     }
 207
 208 }