eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/preference/EnableComputedDescriptions.java

   1 /**
   2 * Copyright (C) 2021 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.preference;
  10
  11 import org.apache.commons.lang.StringUtils;
  12 import org.eclipse.swt.SWT;
  13 import org.eclipse.swt.events.SelectionAdapter;
  14 import org.eclipse.swt.events.SelectionEvent;
  15 import org.eclipse.swt.events.SelectionListener;
  16 import org.eclipse.swt.widgets.Button;
  17 import org.eclipse.swt.widgets.Combo;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.swt.widgets.Control;
  20 import org.eclipse.swt.widgets.Label;
  21
  22 import eu.etaxonomy.cdm.model.metadata.CdmPreference;
  23 import eu.etaxonomy.cdm.model.metadata.EnabledComputedDescription;
  24 import eu.etaxonomy.cdm.model.metadata.PreferencePredicate;
  25 import eu.etaxonomy.taxeditor.l10n.Messages;
  26 import eu.etaxonomy.taxeditor.preference.menu.CdmPreferencePage;
  27
  28 /**
  29  * @author k.luther
  30  * @since May 26, 2021
  31  */
  32 public class EnableComputedDescriptions extends CdmPreferencePage implements SelectionListener{
  33
  34     protected CdmPreference computedDescriptionsHandling = null;
  35     protected EnabledComputedDescription selectedHandling = null;
  36     protected boolean allowOverride;
  37     protected boolean isOverride = true;
  38
  39     protected Combo comboSelectHandling;
  40     Button allowOverrideHandlingButton;
  41
  42
  43     @Override
  44     protected Control createContents(Composite parent) {
  45         getValues();
  46
  47         Composite composite = createComposite(parent);
  48         Label description = new Label(composite, SWT.NULL);
  49         description.setText(Messages.Computed_factualData_handling_description);
  50
  51         comboSelectHandling = createCombo(composite, EnabledComputedDescription.values(), PreferencePredicate.EnableComputedDescription, Messages.FactualData_EnableComputedFactualData, isAdminPreference);
  52         comboSelectHandling.addSelectionListener(this);
  53         if (this.isAdminPreference){
  54             allowOverrideHandlingButton = createAllowOverrideButton(composite);
  55             allowOverrideHandlingButton.setSelection(allowOverride);
  56             allowOverrideHandlingButton.addSelectionListener(new SelectionAdapter(){
  57                 @Override
  58                 public void widgetSelected(SelectionEvent e) {
  59                     allowOverride = !allowOverride;
  60                     setApply(true);
  61                     }
  62             });
  63         }
  64         int index = 0;
  65
  66         for (String itemLabel : comboSelectHandling.getItems()) {
  67             if (itemLabel.startsWith(Messages.Preference_Use_Default) && ((!isOverride && !isAdminPreference) || selectedHandling == null)){
  68                 comboSelectHandling.select(index);
  69                 break;
  70             }
  71             if (itemLabel.equals(selectedHandling.getLabel())) {
  72                 comboSelectHandling.select(index);
  73                 break;
  74             }
  75
  76             index++;
  77         }
  78
  79         if (!isAdminPreference){
  80             comboSelectHandling.setEnabled(allowOverride);
  81         }
  82
  83         return composite;
  84     }
  85
  86
  87     @Override
  88     public void getValues(){
  89         // get modifier values
  90         computedDescriptionsHandling = PreferencesUtil.getPreferenceFromDB(PreferencePredicate.EnableComputedDescription);
  91         if (computedDescriptionsHandling == null){
  92             computedDescriptionsHandling = CdmPreference.NewTaxEditorInstance(PreferencePredicate.EnableComputedDescription, ((EnabledComputedDescription)PreferencePredicate.EnableComputedDescription.getDefaultValue()).getKey());
  93         }
  94         allowOverride = computedDescriptionsHandling.isAllowOverride();
  95
  96
  97
  98         isOverride = PreferencesUtil.getBooleanValue(PreferencesUtil.prefOverrideKey(PreferencePredicate.EnableComputedDescription.getKey()), true);
  99         if (allowOverride && isOverride){
 100             String localHandlingPref = PreferencesUtil.getStringValue(PreferencePredicate.EnableComputedDescription.getKey(), true);
 101             if (StringUtils.isNotBlank(localHandlingPref)){
 102                 selectedHandling = EnabledComputedDescription.byKey(localHandlingPref);
 103             }
 104
 105          }else{
 106              if (computedDescriptionsHandling.getValue() != null){
 107                  try{
 108                      selectedHandling = EnabledComputedDescription.byKey(computedDescriptionsHandling.getValue());
 109                  }catch (IllegalArgumentException e){
 110                      selectedHandling = (EnabledComputedDescription) PreferencePredicate.EnableComputedDescription.getDefaultValue();
 111                  }
 112              }
 113          }
 114
 115
 116
 117
 118     }
 119
 120     @Override
 121     protected void performDefaults() {
 122        selectedHandling = null;
 123        allowOverride = true;
 124
 125        comboSelectHandling.select(0);
 126        if (isAdminPreference){
 127             allowOverrideHandlingButton.setSelection(allowOverride);
 128         }
 129         setApply(true);
 130         super.performDefaults();
 131     }
 132
 133
 134     @Override
 135     public void widgetSelected(SelectionEvent e) {
 136         setApply(true);
 137         if (e.getSource().equals(this.comboSelectHandling)){
 138             int selIndex = comboSelectHandling.getSelectionIndex();
 139             if (selIndex == 0){
 140                 isOverride = false;
 141             }else{
 142                 isOverride = true;
 143             }
 144             selectedHandling = (EnabledComputedDescription) comboSelectHandling.getData(comboSelectHandling.getText());
 145
 146         }
 147
 148     }
 149
 150
 151     @Override
 152     public void widgetDefaultSelected(SelectionEvent e) {
 153         // TODO Auto-generated method stub
 154
 155     }
 156
 157     @Override
 158     public boolean performOk() {
 159         if (!isApply()){
 160             return true;
 161         }
 162
 163         if(isOverride){
 164             PreferencesUtil.setStringValue(PreferencePredicate.EnableComputedDescription.getKey(), this.selectedHandling.getKey());
 165             PreferencesUtil.setBooleanValue(PreferencesUtil.prefOverrideKey(PreferencePredicate.EnableComputedDescription.getKey()), isOverride);
 166         }else{
 167             PreferencesUtil.setBooleanValue( PreferencesUtil.prefOverrideKey(PreferencePredicate.EnableComputedDescription.getKey()), isOverride);
 168         }
 169         return true;
 170     }
 171
 172
 173
 174 }