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

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 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
  11 package eu.etaxonomy.taxeditor.preference;
  12
  13 import java.util.List;
  14
  15 import org.eclipse.jface.preference.PreferencePage;
  16 import org.eclipse.swt.SWT;
  17 import org.eclipse.swt.events.SelectionAdapter;
  18 import org.eclipse.swt.events.SelectionEvent;
  19 import org.eclipse.swt.layout.GridData;
  20 import org.eclipse.swt.layout.GridLayout;
  21 import org.eclipse.swt.layout.RowLayout;
  22 import org.eclipse.swt.widgets.Button;
  23 import org.eclipse.swt.widgets.Combo;
  24 import org.eclipse.swt.widgets.Composite;
  25 import org.eclipse.swt.widgets.Control;
  26 import org.eclipse.swt.widgets.Label;
  27 import org.eclipse.ui.IWorkbench;
  28 import org.eclipse.ui.IWorkbenchPreferencePage;
  29
  30 import eu.etaxonomy.cdm.model.common.Language;
  31 import eu.etaxonomy.taxeditor.store.CdmStore;
  32
  33 /**
  34  * @author n.hoffmann
  35  * @created Dec 3, 2010
  36  * @version 1.0
  37  */
  38 public class LanguagePreferencePage extends PreferencePage implements IWorkbenchPreferencePage{
  39
  40         private boolean isMultilanguageTextEditingCapability;
  41         private Language globalLanguage;
  42
  43         private Composite createComposite(Composite parent){
  44                 Composite composite = new Composite(parent, SWT.NULL);
  45                 composite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1));
  46                 composite.setLayout(new RowLayout(SWT.HORIZONTAL));
  47                 return composite;
  48         }
  49
  50         /* (non-Javadoc)
  51          * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
  52          */
  53         @Override
  54         protected Control createContents(Composite parent) {
  55                 Composite container = new Composite(parent, SWT.NULL);
  56                 final GridLayout gridLayout = new GridLayout();
  57                 container.setLayout(gridLayout);
  58
  59                 createSetDefaultLanguage(container);
  60
  61                 createSetMultiLanguageTextEditingCapability(container);
  62
  63                 return container;
  64
  65
  66         }
  67
  68         /**
  69          * @param container
  70          */
  71         private void createSetDefaultLanguage(Composite parent) {
  72                 globalLanguage = PreferencesUtil.getGlobalLanguage();
  73
  74                 int curentSelectionIndex = 0;
  75
  76                 final Composite composite = createComposite(parent);
  77                 composite.setLayout(new RowLayout(1));
  78
  79                 final Label label = new Label(composite, SWT.NONE);
  80                 label.setText("Choose the global language that will be used throughout the editor to get representations in.");
  81
  82                 final Combo combo_globalLanguage = new Combo(composite, SWT.NONE);
  83
  84                 List<Language> preferredLanguages = CdmStore.getTermManager().getPreferredTerms(Language.class);
  85
  86                 for(int i = 0; i < preferredLanguages.size(); i++){
  87                         Language language = preferredLanguages.get(i);
  88                         combo_globalLanguage.add(language.getLabel(), i);
  89                         if(language.equals(globalLanguage)){
  90                                 curentSelectionIndex = i;
  91                         }
  92                 }
  93
  94                 combo_globalLanguage.select(curentSelectionIndex);
  95
  96                 combo_globalLanguage.addSelectionListener(new SelectionAdapter() {
  97                         /* (non-Javadoc)
  98                          * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
  99                          */
 100                         @Override
 101                         public void widgetSelected(SelectionEvent e) {
 102                                 int selectionIndex = combo_globalLanguage.getSelectionIndex();
 103                                 globalLanguage = Language.getLanguageByLabel(combo_globalLanguage.getItem(selectionIndex));
 104                         }
 105                 });
 106         }
 107
 108         /**
 109          *
 110          */
 111         private void createSetMultiLanguageTextEditingCapability(Composite parent) {
 112                 isMultilanguageTextEditingCapability = getPreferenceStore().getBoolean(IPreferenceKeys.MULTILANGUAGE_TEXT_EDITING_CAPABILITY);
 113
 114                 final Composite composite = createComposite(parent);
 115
 116                 final Button button_toggle = new Button(composite, SWT.CHECK);
 117
 118
 119                 button_toggle.setText("Enable Multiple Language Editing Capability");
 120
 121                 button_toggle.setSelection(isMultilanguageTextEditingCapability);
 122
 123
 124                 button_toggle.addSelectionListener(new SelectionAdapter(){
 125                         /* (non-Javadoc)
 126                          * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 127                          */
 128                         @Override
 129                         public void widgetSelected(SelectionEvent e) {
 130                                 isMultilanguageTextEditingCapability = button_toggle.getSelection();
 131                         }
 132                 });
 133         }
 134
 135         /* (non-Javadoc)
 136          * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
 137          */
 138         @Override
 139         public void init(IWorkbench workbench) {
 140                 setPreferenceStore(PreferencesUtil.getPreferenceStore());
 141         }
 142
 143         /* (non-Javadoc)
 144          * @see org.eclipse.jface.preference.PreferencePage#performOk()
 145          */
 146         @Override
 147         public boolean performOk() {
 148                 getPreferenceStore().setValue(IPreferenceKeys.MULTILANGUAGE_TEXT_EDITING_CAPABILITY, isMultilanguageTextEditingCapability);
 149                 PreferencesUtil.setGlobalLanguage(globalLanguage);
 150
 151                 return super.performOk();
 152         }
 153 }