eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/translation/TranslationWizardPage.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.ui.translation;
  12
  13 import java.util.ArrayList;
  14 import java.util.Arrays;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.Set;
  18
  19 import org.eclipse.core.runtime.Assert;
  20 import org.eclipse.jface.wizard.WizardPage;
  21 import org.eclipse.swt.SWT;
  22 import org.eclipse.swt.events.SelectionAdapter;
  23 import org.eclipse.swt.events.SelectionEvent;
  24 import org.eclipse.swt.widgets.Button;
  25 import org.eclipse.swt.widgets.Composite;
  26 import org.eclipse.swt.widgets.Display;
  27
  28 import eu.etaxonomy.cdm.model.common.Language;
  29 import eu.etaxonomy.cdm.model.common.LanguageString;
  30 import eu.etaxonomy.cdm.model.common.MultilanguageTextHelper;
  31 import eu.etaxonomy.taxeditor.store.CdmStore;
  32 import eu.etaxonomy.taxeditor.store.StoreUtil;
  33 import eu.etaxonomy.taxeditor.ui.combo.TermComboElement;
  34 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  35 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  36 import eu.etaxonomy.taxeditor.ui.element.LanguageStringWithLabelElement;
  37 import eu.etaxonomy.taxeditor.ui.element.MultilanguageTextElement;
  38 import eu.etaxonomy.taxeditor.ui.element.RootElement;
  39
  40 /**
  41  * <p>TranslationWizardPage class.</p>
  42  *
  43  * @author n.hoffmann
  44  * @created Sep 29, 2010
  45  * @version 1.0
  46  */
  47 public class TranslationWizardPage extends WizardPage{
  48
  49         private static int TEXT_HEIGHT = 400;
  50
  51         private Map<Language, LanguageString> multilanguageText;
  52
  53         MultilanguageTextElement source;
  54
  55         private CdmFormFactory formFactory;
  56
  57         private TermComboElement combo_sourceLanguage;
  58
  59         private LanguageStringWithLabelElement text_source;
  60
  61         private TermComboElement<Language> combo_targetLanguage;
  62
  63         private LanguageStringWithLabelElement text_target;
  64
  65         /**
  66          * <p>Constructor for TranslationWizardPage.</p>
  67          *
  68          * @param multilanguageText a {@link java.util.Map} object.
  69          */
  70         protected TranslationWizardPage(Map<Language, LanguageString> multilanguageText) {
  71                 super("TranslationWizardPage");
  72                 Assert.isNotNull(multilanguageText, "Multilanguage text may not be null");
  73                 setTitle("Add or edit translations.");
  74                 this.multilanguageText = multilanguageText;
  75                 formFactory = new CdmFormFactory(Display.getCurrent());
  76         }
  77
  78         /* (non-Javadoc)
  79          * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
  80          */
  81         /** {@inheritDoc} */
  82         @Override
  83         public void createControl(Composite parent) {
  84                 Composite control = formFactory.createComposite(parent);
  85 //              control.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_GREEN));
  86                 control.setLayout(CdmFormFactory.LAYOUT(2, true));
  87
  88                 Composite leftContainer = formFactory.createComposite(control);
  89                 leftContainer.setLayoutData(CdmFormFactory.FILL());
  90                 leftContainer.setLayout(CdmFormFactory.LAYOUT(1, false));
  91 //              leftContainer.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_BLUE));
  92                 RootElement leftRoot = new RootElement(formFactory, leftContainer);
  93
  94                 Composite rightContainer = formFactory.createComposite(control);
  95                 rightContainer.setLayoutData(CdmFormFactory.FILL());
  96                 rightContainer.setLayout(CdmFormFactory.LAYOUT(1, false));
  97 //              rightContainer.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
  98                 RootElement rightRoot = new RootElement(formFactory, rightContainer);
  99
 100                 createLeftControls(leftRoot);
 101                 createRightControls(rightRoot);
 102
 103                 // initialize with default language
 104                 setSource(CdmStore.getDefaultLanguage());
 105
 106
 107                 setControl(control);
 108         }
 109
 110         /**
 111          * @param defaultLanguage
 112          */
 113         private void setSource(Language language) {
 114
 115                 List<Language> languages = Arrays.asList(new Language[]{language});
 116
 117                 LanguageString preferredLanguageString = MultilanguageTextHelper.getPreferredLanguageString(multilanguageText, languages);
 118
 119                 if(preferredLanguageString != null){
 120                         combo_sourceLanguage.setSelection(preferredLanguageString.getLanguage());
 121                         text_source.setLanguageString(preferredLanguageString);
 122                 }
 123         }
 124
 125
 126         /**
 127          *
 128          * @param element
 129          */
 130         private void createLeftControls(ICdmFormElement element){
 131
 132                 combo_sourceLanguage = formFactory.createTermComboElement(Language.class, element, null, null, SWT.NULL);
 133                 combo_sourceLanguage.setTerms(getLanguages());
 134
 135                 combo_sourceLanguage.addSelectionListener(new SelectionAdapter() {
 136                         /* (non-Javadoc)
 137                          * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 138                          */
 139                         @Override
 140                         public void widgetSelected(SelectionEvent e) {
 141                                 text_source.setLanguageString(multilanguageText.get(combo_sourceLanguage.getSelection()));
 142                         }
 143                 });
 144
 145                 LanguageString preferredLanguageString = MultilanguageTextHelper.getPreferredLanguageString(multilanguageText, getLanguages());
 146
 147                 text_source = formFactory.createLanguageStringWithLabelElement(element, null, preferredLanguageString, TEXT_HEIGHT, SWT.NULL);
 148
 149 //              text_source.setEnabled(false);
 150
 151                 text_source.setText(preferredLanguageString.getText());
 152         }
 153
 154         /**
 155          *
 156          * @param element
 157          */
 158         private void createRightControls(ICdmFormElement element){
 159                 combo_targetLanguage = formFactory.createTermComboElement(Language.class, element, null, null, SWT.NULL);
 160
 161                 combo_targetLanguage.addSelectionListener(new SelectionAdapter() {
 162                         /* (non-Javadoc)
 163                          * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 164                          */
 165                         @Override
 166                         public void widgetSelected(SelectionEvent e) {
 167                                 Language language = combo_targetLanguage.getSelection();
 168                                 LanguageString languageString;
 169
 170                                 if(multilanguageText.containsKey(language)){
 171                                         languageString = multilanguageText.get(language);
 172                                 }else{
 173                                         languageString = LanguageString.NewInstance("", language);
 174                                 }
 175
 176                                 text_target.setLanguageString(languageString);
 177                         }
 178                 });
 179
 180                 text_target = formFactory.createLanguageStringWithLabelElement(element, null, null, TEXT_HEIGHT, SWT.NULL);
 181
 182                 Button button_translationService = formFactory.createButton(element.getLayoutComposite(), "Translate", SWT.PUSH);
 183                 button_translationService.addSelectionListener(new SelectionAdapter() {
 184                         /* (non-Javadoc)
 185                          * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 186                          */
 187                         @Override
 188                         public void widgetSelected(SelectionEvent event) {
 189                                 ITranslationServiceWrapper service = new GoogleLanguageApiWrapper();
 190                                 String translatedText;
 191                                 try {
 192                                         String text = text_source.getText();
 193                                         Language sourceLanguage = text_source.getLanguageString().getLanguage();
 194                                         Language targetLanguage = combo_targetLanguage.getSelection();
 195
 196                                         translatedText = service.translate(text, sourceLanguage, targetLanguage);
 197                                         text_target.setText(translatedText);
 198                                 } catch (LanguageNotSupportedException e) {
 199                                         StoreUtil.warningDialog("Language not supported", TranslationWizardPage.class, e.getMessage());
 200                                 } catch (Exception e){
 201                                         StoreUtil.warningDialog("Error translating text", TranslationWizardPage.class, e.getMessage());
 202                                 }
 203
 204                         }
 205                 });
 206         }
 207
 208
 209         /**
 210          *
 211          * @return
 212          */
 213         private List<Language> getLanguages(){
 214                 Set<Language> languageSet = MultilanguageTextHelper.getLanguages(multilanguageText);
 215
 216                 List<Language> languageList = new ArrayList<Language>(languageSet);
 217
 218                 return languageList;
 219         }
 220
 221         /* (non-Javadoc)
 222          * @see org.eclipse.jface.dialogs.DialogPage#dispose()
 223          */
 224         /** {@inheritDoc} */
 225         @Override
 226         public void dispose() {
 227                 super.dispose();
 228         }
 229
 230         /**
 231          * @return
 232          *
 233          */
 234         public LanguageString getTargetLanguageString() {
 235                 return text_target.getLanguageString();
 236         }
 237 }