eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/dialog/DefaultLanguageDialog.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2014 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 package eu.etaxonomy.taxeditor.ui.dialog;
  11
  12 import java.io.File;
  13 import java.io.FileInputStream;
  14 import java.io.FileOutputStream;
  15 import java.io.IOException;
  16 import java.util.Properties;
  17
  18 import org.eclipse.jface.dialogs.IMessageProvider;
  19 import org.eclipse.jface.dialogs.TitleAreaDialog;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.custom.CCombo;
  22 import org.eclipse.swt.custom.CLabel;
  23 import org.eclipse.swt.events.SelectionEvent;
  24 import org.eclipse.swt.events.SelectionListener;
  25 import org.eclipse.swt.layout.GridData;
  26 import org.eclipse.swt.layout.GridLayout;
  27 import org.eclipse.swt.widgets.Composite;
  28 import org.eclipse.swt.widgets.Control;
  29 import org.eclipse.swt.widgets.Shell;
  30
  31 import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
  32 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  33
  34
  35 /**
  36  * @author alex
  37  * @date 19.08.2014
  38  *
  39  */
  40 public class DefaultLanguageDialog extends TitleAreaDialog{
  41
  42
  43     private CCombo combo;
  44     /**
  45      * @param parentShell
  46      */
  47     public DefaultLanguageDialog(Shell parentShell) {
  48         super(parentShell);
  49     }
  50
  51     @Override
  52     protected void configureShell(Shell shell) {
  53         super.configureShell(shell);
  54     }
  55
  56     /* (non-Javadoc)
  57      * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
  58      */
  59     @Override
  60     protected Control createDialogArea(Composite parent) {
  61         // TODO Auto-generated method stub
  62         setTitle("Select your default Language");
  63         setMessage("This is will set your default langauge once.\n You will be able to change this in the prefrence menue at any time.", IMessageProvider.INFORMATION);
  64         Composite composite = (Composite)super.createDialogArea(parent);
  65         Composite container = new Composite(parent, SWT.NONE);
  66         container.setLayoutData(new GridData(SWT.TOP));
  67
  68         GridLayout layout = new GridLayout(1, false);
  69         container.setLayoutData(new GridData(SWT.CENTER, SWT.TOP, true, true));
  70         container.setLayout(layout);
  71
  72         final CLabel titleLabel = new CLabel(container, SWT.NONE);
  73         titleLabel.setText("After this the editor will restart, " +
  74                                     "with your selection loaded. ");
  75
  76
  77         createComboElement(container);
  78
  79         return composite;
  80     }
  81
  82
  83     /**
  84      *
  85      */
  86     private void createComboElement(Composite parent) {
  87         Composite container1 = new Composite(parent, SWT.NONE);
  88         container1.setLayoutData(new GridData(GridData.FILL_BOTH));
  89
  90         GridLayout layout1 = new GridLayout(2, false);
  91         container1.setLayoutData(new GridData(SWT.RIGHT, SWT.RIGHT, true, true));
  92         container1.setLayout(layout1);
  93
  94
  95         final CLabel comboLabel = new CLabel(container1, SWT.NONE);
  96         comboLabel.setText("Please choose your default language: ");
  97
  98         GridData oneLine = new GridData();
  99         oneLine.grabExcessHorizontalSpace = true;
 100         oneLine.horizontalAlignment = GridData.FILL;
 101
 102         combo = new CCombo(container1, SWT.NONE);
 103         combo.setLayoutData(oneLine);
 104
 105         combo.add(Language.GERMAN.getLabel(), 0);
 106         combo.add(Language.ENGLISH.getLabel(), 1);
 107         combo.select(1);
 108         combo.addSelectionListener(new SelectionListener() {
 109
 110             @Override
 111             public void widgetSelected(SelectionEvent e) {
 112                 try {
 113                     writeConfigAndRestart(combo.getSelectionIndex());
 114                 } catch (IOException e1) {
 115                     e1.printStackTrace();
 116                 }
 117             }
 118
 119             @Override
 120             public void widgetDefaultSelected(SelectionEvent e) {
 121                 // TODO Auto-generated method stub
 122
 123             }
 124         });
 125     }
 126
 127     @Override
 128     protected void okPressed() {
 129       try {
 130         writeConfigAndRestart(combo.getSelectionIndex());
 131     } catch (IOException e) {
 132         e.printStackTrace();
 133     }
 134       super.okPressed();
 135     }
 136
 137
 138     private void writeConfigAndRestart(int setLanguage) throws IOException {
 139         File file = org.eclipse.core.runtime.preferences.ConfigurationScope.INSTANCE.getLocation().toFile();
 140         Properties properties = load(file.getAbsolutePath()+"/config.ini");
 141         switch(setLanguage){
 142         case 0:
 143             properties.setProperty("osgi.nl", "de");
 144             PreferencesUtil.getPreferenceStore().setValue(IPreferenceKeys.DEFAULT_LANGUAGE_EDITOR, "de");
 145             break;
 146         case 1:
 147             properties.setProperty("osgi.nl", "en");
 148             PreferencesUtil.getPreferenceStore().setValue(IPreferenceKeys.DEFAULT_LANGUAGE_EDITOR, "en");
 149             break;
 150         default:
 151             break;
 152         }
 153         save(file+"/config.ini", properties);
 154     }
 155
 156     private Properties load(String filename) throws IOException {
 157         FileInputStream in = new FileInputStream(filename);
 158         Properties prop = new Properties();
 159         prop.load(in);
 160         in.close();
 161         return prop;
 162     }
 163
 164     private void save(String filename, Properties properties) throws IOException{
 165         FileOutputStream fos =  new FileOutputStream(filename);
 166         properties.store(fos, "");
 167         fos.close();
 168     }
 169
 170     private enum Language{
 171
 172         GERMAN("Deutsch"), ENGLISH("English");
 173         private String label;
 174         private Language(String label){
 175             this.label = label;
 176         }
 177
 178         /**
 179          * @return the label
 180          */
 181         public String getLabel() {
 182             return label;
 183         }
 184     }
 185     private static final GridLayout GRID_LAYOUT (int columns, boolean equalwidth){
 186         GridLayout layout = new GridLayout();
 187         layout.marginTop = 0;
 188         layout.marginRight = 0;
 189         layout.marginBottom = 0;
 190         layout.marginLeft = 0;
 191         layout.numColumns = columns;
 192         layout.makeColumnsEqualWidth = equalwidth;
 193         return layout;
 194     }
 195 }