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 import eu.etaxonomy.taxeditor.Messages;
  32
  33 /**
  34  * @author n.hoffmann
  35  * @created Dec 3, 2010
  36  * @version 1.0
  37  */
  38 public class LanguageEditorPreferencePage extends PreferencePage implements IWorkbenchPreferencePage{
  39
  40     private CCombo combo;
  41     PreferencesUtil preferencesUtil = new PreferencesUtil();
  42
  43         /* (non-Javadoc)
  44          * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
  45          */
  46         @Override
  47         protected Control createContents(Composite parent) {
  48                 Composite container = new Composite(parent, SWT.NULL);
  49                 final GridLayout gridLayout = new GridLayout();
  50                 container.setLayout(gridLayout);
  51                 createEditorDefaultLanguage(container);
  52                 return container;
  53         }
  54
  55         /**
  56      * @param container
  57      */
  58     private void createEditorDefaultLanguage(Composite container) {
  59         // TODO Auto-generated method stub
  60         final Label description = new Label(container, SWT.NONE);
  61         description.setText(Messages.LanguageEditorPreferencePage_RestartRequired);
  62
  63         final Label label = new Label(container, SWT.NONE);
  64         label.setText(Messages.LanguageEditorPreferencePage_ChooseDefaultLanguage);
  65
  66         GridData oneLine = new GridData();
  67         oneLine.grabExcessHorizontalSpace = true;
  68         oneLine.horizontalAlignment = GridData.FILL;
  69
  70         combo = new CCombo(container, SWT.NONE);
  71         combo.setLayoutData(oneLine);
  72
  73         combo.add(Language.GERMAN.getLabel(), 0);
  74         combo.add(Language.ENGLISH.getLabel(), 1);
  75         restoreSavedSelection();
  76
  77         combo.addSelectionListener(new SelectionListener() {
  78
  79             @Override
  80             public void widgetSelected(SelectionEvent e) {
  81                 try {
  82                     preferencesUtil.writePropertyToConfigFile(combo.getSelectionIndex());
  83                 } catch (IOException e1) {
  84                     e1.printStackTrace();
  85                 }
  86             }
  87
  88             @Override
  89             public void widgetDefaultSelected(SelectionEvent e) {
  90                 // TODO Auto-generated method stub
  91
  92             }
  93         });
  94     }
  95
  96     /**
  97      * TODO: This method is not taking advantages of the enum field yet
  98      */
  99     private void restoreSavedSelection() {
 100         String rememberedValue = PreferencesUtil.getPreferenceStore().getString(IPreferenceKeys.DEFAULT_LANGUAGE_EDITOR);
 101         if(StringUtils.isNotEmpty(rememberedValue)&& StringUtils.isNotBlank(rememberedValue)){
 102             if(rememberedValue.equalsIgnoreCase("en")){ //$NON-NLS-1$
 103                 combo.select(1);
 104             }else if(rememberedValue.equalsIgnoreCase("de")){ //$NON-NLS-1$
 105                  combo.select(0);
 106             }
 107         }
 108     }
 109
 110     private enum Language{
 111
 112         GERMAN("Deutsch"), ENGLISH("English"); //$NON-NLS-1$ //$NON-NLS-2$
 113         private final String label;
 114         private Language(String label){
 115             this.label = label;
 116         }
 117
 118         /**
 119          * @return the label
 120          */
 121         public String getLabel() {
 122             return label;
 123         }
 124     }
 125
 126         /* (non-Javadoc)
 127          * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
 128          */
 129         @Override
 130         public void init(IWorkbench workbench) {
 131                 setPreferenceStore(PreferencesUtil.getPreferenceStore());
 132         }
 133
 134         /* (non-Javadoc)
 135          * @see org.eclipse.jface.preference.PreferencePage#performOk()
 136          */
 137         @Override
 138         public boolean performOk() {
 139         try {
 140             preferencesUtil.writePropertyToConfigFile(combo.getSelectionIndex());
 141             boolean result = MessageDialog.openConfirm(getShell(), Messages.LanguageEditorPreferencePage_PleaseRestart, Messages.LanguageEditorPreferencePage_EditorHasToRestart);
 142             if(result){
 143                 //Press Ok
 144                 PlatformUI.getWorkbench().restart();
 145             }
 146         } catch (IOException e) {
 147             e.printStackTrace();
 148         }
 149                 return super.performOk();
 150         }
 151
 152 }