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.preference.PreferencePage;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.custom.CCombo;
  19 import org.eclipse.swt.events.SelectionEvent;
  20 import org.eclipse.swt.events.SelectionListener;
  21 import org.eclipse.swt.layout.GridData;
  22 import org.eclipse.swt.layout.GridLayout;
  23 import org.eclipse.swt.widgets.Composite;
  24 import org.eclipse.swt.widgets.Control;
  25 import org.eclipse.swt.widgets.Label;
  26 import org.eclipse.ui.IWorkbench;
  27 import org.eclipse.ui.IWorkbenchPreferencePage;
  28
  29 /**
  30  * @author n.hoffmann
  31  * @created Dec 3, 2010
  32  * @version 1.0
  33  */
  34 public class LanguageEditorPreferencePage extends PreferencePage implements IWorkbenchPreferencePage{
  35
  36     private CCombo combo;
  37     PreferencesUtil preferencesUtil = new PreferencesUtil();
  38
  39         /* (non-Javadoc)
  40          * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
  41          */
  42         @Override
  43         protected Control createContents(Composite parent) {
  44                 Composite container = new Composite(parent, SWT.NULL);
  45                 final GridLayout gridLayout = new GridLayout();
  46                 container.setLayout(gridLayout);
  47                 createEditorDefaultLanguage(container);
  48                 return container;
  49         }
  50
  51         /**
  52      * @param container
  53      */
  54     private void createEditorDefaultLanguage(Composite container) {
  55         // TODO Auto-generated method stub
  56         final Label description = new Label(container, SWT.NONE);
  57         description.setText("After changing the default language, a restart is required,\nin order for the new settings to take effect.");
  58
  59         final Label label = new Label(container, SWT.NONE);
  60         label.setText("Please choose your default language for the editor: ");
  61
  62         GridData oneLine = new GridData();
  63         oneLine.grabExcessHorizontalSpace = true;
  64         oneLine.horizontalAlignment = GridData.FILL;
  65
  66         combo = new CCombo(container, SWT.NONE);
  67         combo.setLayoutData(oneLine);
  68
  69         combo.add(Language.GERMAN.getLabel(), 0);
  70         combo.add(Language.ENGLISH.getLabel(), 1);
  71         restoreSavedSelection();
  72
  73         combo.addSelectionListener(new SelectionListener() {
  74
  75             @Override
  76             public void widgetSelected(SelectionEvent e) {
  77                 try {
  78                     preferencesUtil.writePropertyToConfigFile(combo.getSelectionIndex());
  79                 } catch (IOException e1) {
  80                     e1.printStackTrace();
  81                 }
  82             }
  83
  84             @Override
  85             public void widgetDefaultSelected(SelectionEvent e) {
  86                 // TODO Auto-generated method stub
  87
  88             }
  89         });
  90     }
  91
  92     /**
  93      * TODO: This method is not taking advantages of the enum field yet
  94      */
  95     private void restoreSavedSelection() {
  96         String rememberedValue = PreferencesUtil.getPreferenceStore().getString(IPreferenceKeys.DEFAULT_LANGUAGE_EDITOR);
  97         if(StringUtils.isNotEmpty(rememberedValue)&& StringUtils.isNotBlank(rememberedValue)){
  98             if(rememberedValue.equalsIgnoreCase("en")){
  99                 combo.select(1);
 100             }else if(rememberedValue.equalsIgnoreCase("de")){
 101                  combo.select(0);
 102             }
 103         }
 104     }
 105
 106     private enum Language{
 107
 108         GERMAN("Deutsch"), ENGLISH("English");
 109         private final String label;
 110         private Language(String label){
 111             this.label = label;
 112         }
 113
 114         /**
 115          * @return the label
 116          */
 117         public String getLabel() {
 118             return label;
 119         }
 120     }
 121
 122         /* (non-Javadoc)
 123          * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
 124          */
 125         @Override
 126         public void init(IWorkbench workbench) {
 127                 setPreferenceStore(PreferencesUtil.getPreferenceStore());
 128         }
 129
 130         /* (non-Javadoc)
 131          * @see org.eclipse.jface.preference.PreferencePage#performOk()
 132          */
 133         @Override
 134         public boolean performOk() {
 135         try {
 136             preferencesUtil.writePropertyToConfigFile(combo.getSelectionIndex());
 137         } catch (IOException e) {
 138             e.printStackTrace();
 139         }
 140                 return super.performOk();
 141         }
 142 }