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.jface.wizard.WizardPage;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.events.SelectionAdapter;
  22 import org.eclipse.swt.events.SelectionEvent;
  23 import org.eclipse.swt.widgets.Button;
  24 import org.eclipse.swt.widgets.Composite;
  25 import org.eclipse.swt.widgets.Display;
  26
  27 import eu.etaxonomy.cdm.model.common.Language;
  28 import eu.etaxonomy.cdm.model.common.LanguageString;
  29 import eu.etaxonomy.cdm.model.common.MultilanguageTextHelper;
  30 import eu.etaxonomy.taxeditor.store.CdmStore;
  31 import eu.etaxonomy.taxeditor.store.StoreUtil;
  32 import eu.etaxonomy.taxeditor.ui.forms.CdmFormFactory;
  33 import eu.etaxonomy.taxeditor.ui.forms.ICdmFormElement;
  34 import eu.etaxonomy.taxeditor.ui.forms.LanguageStringWithLabelElement;
  35 import eu.etaxonomy.taxeditor.ui.forms.MultilanguageTextElement;
  36 import eu.etaxonomy.taxeditor.ui.forms.RootElement;
  37 import eu.etaxonomy.taxeditor.ui.forms.CdmFormFactory.TermComboType;
  38 import eu.etaxonomy.taxeditor.ui.term.EmptyComboElement;
  39 import eu.etaxonomy.taxeditor.ui.term.LanguageComboElement;
  40
  41 /**
  42  * <p>TranslationWizardPage class.</p>
  43  *
  44  * @author n.hoffmann
  45  * @created Sep 29, 2010
  46  * @version 1.0
  47  */
  48 public class TranslationWizardPage extends WizardPage{
  49
  50         private static int TEXT_HEIGHT = 400;
  51
  52         private Map<Language, LanguageString> multilanguageText;
  53
  54         MultilanguageTextElement source;
  55
  56         private CdmFormFactory formFactory;
  57
  58         private EmptyComboElement<Language> combo_sourceLanguage;
  59
  60         private LanguageStringWithLabelElement text_source;
  61
  62         private LanguageComboElement combo_targetLanguage;
  63
  64         private LanguageStringWithLabelElement text_target;
  65
  66         /**
  67          * <p>Constructor for TranslationWizardPage.</p>
  68          *
  69          * @param multilanguageText a {@link java.util.Map} object.
  70          */
  71         protected TranslationWizardPage(Map<Language, LanguageString> multilanguageText) {
  72                 super("TranslationWizardPage");
  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 = (EmptyComboElement<Language>) formFactory.createTermComboElement(TermComboType.EMPTY, 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 = (LanguageComboElement) formFactory.createTermComboElement(TermComboType.LANGUAGE, 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                                         multilanguageText.put(language, languageString);
 175                                 }
 176
 177                                 text_target.setLanguageString(languageString);
 178                         }
 179                 });
 180
 181                 text_target = formFactory.createLanguageStringWithLabelElement(element, null, null, TEXT_HEIGHT, SWT.NULL);
 182
 183                 Button button_translationService = formFactory.createButton(element.getLayoutComposite(), "Translate", SWT.PUSH);
 184                 button_translationService.addSelectionListener(new SelectionAdapter() {
 185                         /* (non-Javadoc)
 186                          * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 187                          */
 188                         @Override
 189                         public void widgetSelected(SelectionEvent event) {
 190                                 ITranslationServiceWrapper service = new GoogleLanguageApiWrapper();
 191                                 String translatedText;
 192                                 try {
 193                                         String text = text_source.getText();
 194                                         Language sourceLanguage = text_source.getLanguageString().getLanguage();
 195                                         Language targetLanguage = combo_targetLanguage.getSelection();
 196
 197                                         translatedText = service.translate(text, sourceLanguage, targetLanguage);
 198                                         text_target.setText(translatedText);
 199                                 } catch (LanguageNotSupportedException e) {
 200                                         StoreUtil.warningDialog("Language not supported", TranslationWizardPage.class, e.getMessage());
 201                                 } catch (Exception e){
 202                                         StoreUtil.warningDialog("Error translating text", TranslationWizardPage.class, e.getMessage());
 203                                 }
 204
 205                         }
 206                 });
 207         }
 208
 209
 210         /**
 211          *
 212          * @return
 213          */
 214         private List<Language> getLanguages(){
 215                 Set<Language> languageSet = MultilanguageTextHelper.getLanguages(multilanguageText);
 216
 217                 List<Language> languageList = new ArrayList<Language>(languageSet);
 218
 219                 return languageList;
 220         }
 221
 222         /* (non-Javadoc)
 223          * @see org.eclipse.jface.dialogs.DialogPage#dispose()
 224          */
 225         /** {@inheritDoc} */
 226         @Override
 227         public void dispose() {
 228                 super.dispose();
 229         }
 230 }