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

   1 /**
   2 * Copyright (C) 2007 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
  10 package eu.etaxonomy.taxeditor.preference;
  11
  12 import java.util.List;
  13 import java.util.UUID;
  14
  15 import org.eclipse.swt.SWT;
  16 import org.eclipse.swt.custom.CLabel;
  17 import org.eclipse.swt.events.SelectionAdapter;
  18 import org.eclipse.swt.events.SelectionEvent;
  19 import org.eclipse.swt.layout.GridLayout;
  20 import org.eclipse.swt.widgets.Button;
  21 import org.eclipse.swt.widgets.Combo;
  22 import org.eclipse.swt.widgets.Composite;
  23 import org.eclipse.swt.widgets.Control;
  24 import org.eclipse.swt.widgets.Label;
  25
  26 import eu.etaxonomy.cdm.model.common.Language;
  27 import eu.etaxonomy.cdm.model.metadata.CdmPreference;
  28 import eu.etaxonomy.cdm.model.metadata.PreferencePredicate;
  29 import eu.etaxonomy.cdm.model.term.TermType;
  30 import eu.etaxonomy.taxeditor.l10n.Messages;
  31 import eu.etaxonomy.taxeditor.preference.menu.CdmPreferencePage;
  32 import eu.etaxonomy.taxeditor.store.CdmStore;
  33
  34 /**
  35  * @author n.hoffmann
  36  * @created Dec 3, 2010
  37  * @version 1.0
  38  */
  39 public class LanguageRepresentationPreferencePage extends CdmPreferencePage{
  40
  41
  42         protected Language globalLanguage;
  43         public final static String ID = "eu.etaxonomy.taxeditor.preferences.termLanguages"; //$NON-NLS-1$
  44
  45     protected CdmPreference termLanguagePref =null;
  46     protected boolean overrideActivated;
  47     protected Button allowOverrideOrderButton;
  48     private String defaultSettings = "Use default settings";
  49     protected Combo combo_globalLanguage;
  50
  51 //      private Composite createComposite(Composite parent){
  52 //              Composite composite = new Composite(parent, SWT.NULL);
  53 //              composite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));
  54 //              composite.setLayout(new RowLayout(SWT.HORIZONTAL));
  55 //              return composite;
  56 //      }
  57
  58         @Override
  59         protected Control createContents(Composite parent) {
  60                 Composite container = new Composite(parent, SWT.NULL);
  61                 final GridLayout gridLayout = new GridLayout();
  62                 container.setLayout(gridLayout);
  63
  64                 createSetDefaultLanguage(container);
  65
  66 //              createSetMultiLanguageTextEditingCapability(container);
  67
  68                 return container;
  69
  70
  71         }
  72
  73         private void createSetDefaultLanguage(Composite parent) {
  74                 getValues();
  75
  76                 int curentSelectionIndex = 0;
  77
  78                 final Composite composite = createComposite(parent);
  79                 GridLayout layout = new GridLayout();
  80             layout.numColumns = 2;
  81             composite.setLayout(layout);
  82
  83             if (isAdminPreference || !isAdminPreference && this.termLanguagePref.isAllowOverride()) {
  84                 final Label label = new Label(composite, SWT.NONE);
  85                 label.setText(Messages.LanguageRepresentationPreferencePage_global);
  86                 final Label labelFree = new Label(composite, SWT.NONE);
  87            // label.setText(Messages.LanguageRepresentationPreferencePage_global);
  88
  89                 Combo combo_globalLanguage = new Combo(composite, SWT.NONE);
  90
  91                 List<Language> preferredLanguages = CdmStore.getTermManager().getPreferredTerms(TermType.Language);
  92
  93
  94
  95
  96                 for(int i = 0; i < preferredLanguages.size(); i++){
  97                         Language language = preferredLanguages.get(i);
  98                         combo_globalLanguage.add(language.getLabel(), i);
  99                         if(language.equals(globalLanguage)){
 100                                 curentSelectionIndex = i;
 101                         }
 102                 }
 103                 if (!isAdminPreference) {
 104                 combo_globalLanguage.add("Use default settings", 0);
 105                 curentSelectionIndex++;
 106             }
 107
 108                 combo_globalLanguage.select(curentSelectionIndex);
 109
 110                 combo_globalLanguage.addSelectionListener(new SelectionAdapter() {
 111                         /* (non-Javadoc)
 112                          * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 113                          */
 114                         @Override
 115                         public void widgetSelected(SelectionEvent e) {
 116
 117                                 int selectionIndex = combo_globalLanguage.getSelectionIndex();
 118                                 if (combo_globalLanguage.getItem(selectionIndex).equals(defaultSettings)){
 119                             overrideActivated = false;
 120                         }else {
 121                             globalLanguage = CdmStore.getCurrentApplicationConfiguration().getTermService().getLanguageByLabel(combo_globalLanguage.getItem(selectionIndex));
 122                             overrideActivated = true;
 123                         }
 124                                 setApply(true);
 125                         }
 126                 });
 127             }else {
 128                 //changing the Term Language locally is not allowed
 129                 final CLabel description = new CLabel(parent, SWT.NULL);
 130             description.setText(Messages.LanguageRepresentationPreferencePage_not_available);
 131             this.setDefaultButtonActivated(false);
 132             }
 133
 134
 135         if (isAdminPreference) {
 136             allowOverrideOrderButton = createAllowOverrideButton(composite);
 137             allowOverrideOrderButton.setSelection(termLanguagePref != null? termLanguagePref.isAllowOverride(): true);
 138             //allowOverrideOrderAreasButton.setEnabled(prefAreaSort != null);
 139             allowOverrideOrderButton.addSelectionListener(new SelectionAdapter() {
 140                 @Override
 141                 public void widgetSelected(SelectionEvent e) {
 142                     setApply(true);
 143                     if (termLanguagePref == null){
 144                         termLanguagePref = CdmPreference.NewTaxEditorInstance(PreferencePredicate.TermLanguage, PreferencePredicate.TermLanguage.getDefaultValue() != null ?  PreferencePredicate.TermLanguage.getDefaultValue().toString(): null);
 145                     }
 146                     termLanguagePref.setAllowOverride(allowOverrideOrderButton.getSelection());
 147                 }
 148             });
 149         }
 150         }
 151
 152
 153         @Override
 154     public void getValues() {
 155         isAdminPreference = false;
 156         setPreferenceStore(PreferencesUtil.getPreferenceStore());
 157         termLanguagePref = PreferencesUtil.getPreferenceFromDB(PreferencePredicate.TermLanguage);
 158         overrideActivated = PreferencesUtil.getBooleanValue(
 159                 PreferencesUtil.prefOverrideKey(PreferencePredicate.TermLanguage.getKey()), true) != null? PreferencesUtil.getBooleanValue(
 160                         PreferencesUtil.prefOverrideKey(PreferencePredicate.TermLanguage.getKey()), true):false;
 161         if (termLanguagePref != null) {
 162             if (termLanguagePref.isAllowOverride() && overrideActivated) {
 163                 String globalLanguageUUIDString = PreferencesUtil.getStringValue(PreferencePredicate.TermLanguage.getKey(), true);
 164                 if (globalLanguageUUIDString != null) {
 165                     globalLanguage = Language.getLanguageFromUuid(UUID.fromString( globalLanguageUUIDString));
 166                 }else {
 167                     globalLanguage = Language.getDefaultLanguage();
 168                 }
 169                 //globalLanguage = Language.getLanguageFromUuid(UUID.fromString(PreferencesUtil.getStringValue(PreferencePredicate.TermLanguage.getKey(), true)));
 170             } else {
 171                 globalLanguage = termLanguagePref.getValue() != null? Language.getLanguageFromUuid(UUID.fromString(termLanguagePref.getValue())): CdmStore.getDefaultLanguage();
 172             }
 173
 174         } else {
 175             if(!overrideActivated){
 176                 globalLanguage = null;
 177             }else{
 178                 String globalLanguageUUIDString = PreferencesUtil.getStringValue(PreferencePredicate.TermLanguage.getKey(), true);
 179                 if (globalLanguageUUIDString != null) {
 180                     globalLanguage = Language.getLanguageFromUuid(UUID.fromString( globalLanguageUUIDString));
 181                 }else {
 182                     globalLanguage = Language.getDefaultLanguage();
 183                 }
 184             }
 185             termLanguagePref = CdmPreference.NewTaxEditorInstance(PreferencePredicate.TermLanguage, PreferencePredicate.TermLanguage.getDefaultValue() != null ?  PreferencePredicate.TermLanguage.getDefaultValue().toString(): null);
 186         }
 187  }
 188
 189         @Override
 190         public boolean performOk() {
 191             if (!isApply()){
 192                 return true;
 193             }
 194             //check whether a language or the option to use the db selection was chosen
 195             PreferencesUtil.setGlobalLanguage(globalLanguage);
 196            // if (overrideActivated) {
 197         PreferencesUtil.setBooleanValue(PreferencesUtil.createOverridePreferenceString(PreferencePredicate.TermLanguage.getKey()), overrideActivated);
 198        // }
 199                 return super.performOk();
 200         }
 201 }