eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/preference/LanguageEditorPreferencePage.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.io.IOException;
  14
  15 import org.apache.commons.lang.StringUtils;
  16 import org.eclipse.jface.dialogs.MessageDialog;
  17 import org.eclipse.jface.preference.PreferencePage;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.custom.CCombo;
  20 import org.eclipse.swt.events.SelectionEvent;
  21 import org.eclipse.swt.events.SelectionListener;
  22 import org.eclipse.swt.layout.GridData;
  23 import org.eclipse.swt.layout.GridLayout;
  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 import org.eclipse.ui.PlatformUI;
  30
  31 /**
  32  * @author n.hoffmann
  33  * @created Dec 3, 2010
  34  * @version 1.0
  35  */
  36 public class LanguageEditorPreferencePage extends PreferencePage implements IWorkbenchPreferencePage{
  37
  38     private CCombo combo;
  39     PreferencesUtil preferencesUtil = new PreferencesUtil();
  40
  41         /* (non-Javadoc)
  42          * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
  43          */
  44         @Override
  45         protected Control createContents(Composite parent) {
  46                 Composite container = new Composite(parent, SWT.NULL);
  47                 final GridLayout gridLayout = new GridLayout();
  48                 container.setLayout(gridLayout);
  49                 createEditorDefaultLanguage(container);
  50                 return container;
  51         }
  52
  53         /**
  54      * @param container
  55      */
  56     private void createEditorDefaultLanguage(Composite container) {
  57         // TODO Auto-generated method stub
  58         final Label description = new Label(container, SWT.NONE);
  59         description.setText("After changing the default language, a restart is required,\nin order for the new settings to take effect.");
  60
  61         final Label label = new Label(container, SWT.NONE);
  62         label.setText("Please choose your default language for the editor: ");
  63
  64         GridData oneLine = new GridData();
  65         oneLine.grabExcessHorizontalSpace = true;
  66         oneLine.horizontalAlignment = GridData.FILL;
  67
  68         combo = new CCombo(container, SWT.NONE);
  69         combo.setLayoutData(oneLine);
  70
  71         combo.add(Language.GERMAN.getLabel(), 0);
  72         combo.add(Language.ENGLISH.getLabel(), 1);
  73         restoreSavedSelection();
  74
  75         combo.addSelectionListener(new SelectionListener() {
  76
  77             @Override
  78             public void widgetSelected(SelectionEvent e) {
  79                 try {
  80                     preferencesUtil.writePropertyToConfigFile(combo.getSelectionIndex());
  81                 } catch (IOException e1) {
  82                     e1.printStackTrace();
  83                 }
  84             }
  85
  86             @Override
  87             public void widgetDefaultSelected(SelectionEvent e) {
  88                 // TODO Auto-generated method stub
  89
  90             }
  91         });
  92     }
  93
  94     /**
  95      * TODO: This method is not taking advantages of the enum field yet
  96      */
  97     private void restoreSavedSelection() {
  98         String rememberedValue = PreferencesUtil.getPreferenceStore().getString(IPreferenceKeys.DEFAULT_LANGUAGE_EDITOR);
  99         if(StringUtils.isNotEmpty(rememberedValue)&& StringUtils.isNotBlank(rememberedValue)){
 100             if(rememberedValue.equalsIgnoreCase("en")){
 101                 combo.select(1);
 102             }else if(rememberedValue.equalsIgnoreCase("de")){
 103                  combo.select(0);
 104             }
 105         }
 106     }
 107
 108     private enum Language{
 109
 110         GERMAN("Deutsch"), ENGLISH("English");
 111         private final String label;
 112         private Language(String label){
 113             this.label = label;
 114         }
 115
 116         /**
 117          * @return the label
 118          */
 119         public String getLabel() {
 120             return label;
 121         }
 122     }
 123
 124         /* (non-Javadoc)
 125          * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
 126          */
 127         @Override
 128         public void init(IWorkbench workbench) {
 129                 setPreferenceStore(PreferencesUtil.getPreferenceStore());
 130         }
 131
 132         /* (non-Javadoc)
 133          * @see org.eclipse.jface.preference.PreferencePage#performOk()
 134          */
 135         @Override
 136         public boolean performOk() {
 137         try {
 138             preferencesUtil.writePropertyToConfigFile(combo.getSelectionIndex());
 139             boolean result = MessageDialog.openConfirm(getShell(), "Please Restart", "The Taxonomic Editor has to restart now, in order to complete the language switch.\nDo you want to restart now?");
 140             if(result){
 141                 //Press Ok
 142                 PlatformUI.getWorkbench().restart();
 143             }
 144         } catch (IOException e) {
 145             e.printStackTrace();
 146         }
 147                 return super.performOk();
 148         }
 149
 150 }