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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.ui.translation;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.eclipse.core.runtime.Assert;
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import org.eclipse.jface.wizard.WizardPage;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Display;
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import eu.etaxonomy.cdm.model.common.Language;
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import eu.etaxonomy.cdm.model.common.LanguageString;
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import eu.etaxonomy.cdm.model.common.MultilanguageTextHelper;
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import eu.etaxonomy.cdm.model.common.TermType;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.ui.combo.TermComboElement;
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import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
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import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
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import eu.etaxonomy.taxeditor.ui.element.LanguageStringWithLabelElement;
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import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
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import eu.etaxonomy.taxeditor.ui.element.MultilanguageTextElement;
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import eu.etaxonomy.taxeditor.ui.element.RootElement;
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/**
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* <p>TranslationWizardPage class.</p>
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*
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* @author n.hoffmann
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* @created Sep 29, 2010
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* @version 1.0
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*/
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public class TranslationWizardPage extends WizardPage{
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private static int TEXT_HEIGHT = 400;
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private final Map<Language, LanguageString> multilanguageText;
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MultilanguageTextElement source;
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private final CdmFormFactory formFactory;
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private TermComboElement<Language> combo_sourceLanguage;
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private LanguageStringWithLabelElement text_source;
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private TermComboElement<Language> combo_targetLanguage;
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private LanguageStringWithLabelElement text_target;
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/**
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* <p>Constructor for TranslationWizardPage.</p>
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*
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* @param multilanguageText a {@link java.util.Map} object.
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*/
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protected TranslationWizardPage(Map<Language, LanguageString> multilanguageText) {
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super("TranslationWizardPage");
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Assert.isNotNull(multilanguageText, "Multilanguage text may not be null");
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setTitle("Add or edit translations.");
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this.multilanguageText = multilanguageText;
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formFactory = new CdmFormFactory(Display.getCurrent());
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setPageComplete(false);
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
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*/
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/** {@inheritDoc} */
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@Override
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public void createControl(Composite parent) {
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Composite control = formFactory.createComposite(parent);
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// control.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_GREEN));
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control.setLayout(LayoutConstants.LAYOUT(2, true));
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Composite leftContainer = formFactory.createComposite(control);
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leftContainer.setLayoutData(LayoutConstants.FILL());
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leftContainer.setLayout(LayoutConstants.LAYOUT(1, false));
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// leftContainer.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_BLUE));
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RootElement leftRoot = new RootElement(formFactory, leftContainer);
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Composite rightContainer = formFactory.createComposite(control);
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rightContainer.setLayoutData(LayoutConstants.FILL());
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rightContainer.setLayout(LayoutConstants.LAYOUT(1, false));
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// rightContainer.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
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RootElement rightRoot = new RootElement(formFactory, rightContainer);
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createLeftControls(leftRoot);
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createRightControls(rightRoot);
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// initialize with default language
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setSource(CdmStore.getDefaultLanguage());
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setControl(control);
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}
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/**
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* @param defaultLanguage
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*/
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private void setSource(Language language) {
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List<Language> languages = Arrays.asList(new Language[]{language});
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LanguageString preferredLanguageString = MultilanguageTextHelper.getPreferredLanguageString(multilanguageText, languages);
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if(preferredLanguageString != null){
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combo_sourceLanguage.setSelection(preferredLanguageString.getLanguage());
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text_source.setLanguageString(preferredLanguageString);
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}
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}
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/**
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*
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* @param element
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*/
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private void createLeftControls(ICdmFormElement element){
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combo_sourceLanguage = formFactory.createDefinedTermComboElement(TermType.Language, element, null, null, SWT.NULL);
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combo_sourceLanguage.setTerms(getLanguages());
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combo_sourceLanguage.addSelectionListener(new SelectionAdapter() {
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/* (non-Javadoc)
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* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
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*/
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@Override
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public void widgetSelected(SelectionEvent e) {
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text_source.setLanguageString(multilanguageText.get(combo_sourceLanguage.getSelection()));
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}
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});
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LanguageString preferredLanguageString = MultilanguageTextHelper.getPreferredLanguageString(multilanguageText, getLanguages());
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text_source = formFactory.createLanguageStringWithLabelElement(element, null, preferredLanguageString, TEXT_HEIGHT, SWT.NULL);
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// text_source.setEnabled(false);
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text_source.setText(preferredLanguageString.getText());
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}
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/**
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*
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* @param element
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*/
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private void createRightControls(ICdmFormElement element){
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combo_targetLanguage = formFactory.createDefinedTermComboElement(TermType.Language, element, null, null, SWT.NULL);
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combo_targetLanguage.addSelectionListener(new SelectionAdapter() {
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/* (non-Javadoc)
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* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
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*/
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@Override
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public void widgetSelected(SelectionEvent e) {
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Language language = combo_targetLanguage.getSelection();
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if (language == null){
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return;
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}
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setPageComplete(true);
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LanguageString languageString;
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if(multilanguageText.containsKey(language)){
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languageString = multilanguageText.get(language);
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}else{
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languageString = LanguageString.NewInstance("", language);
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}
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text_target.setLanguageString(languageString);
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}
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});
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text_target = formFactory.createLanguageStringWithLabelElement(element, null, null, TEXT_HEIGHT, SWT.NULL);
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//
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// The automated translation did rely on the Google Translate API. Unfortunately this service is not free anymore.
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// See http://code.google.com/apis/language/translate/overview.html
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//
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// Button button_translationService = formFactory.createButton(element.getLayoutComposite(), "Translate", SWT.PUSH);
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// button_translationService.addSelectionListener(new SelectionAdapter() {
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// /* (non-Javadoc)
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// * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
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// */
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// @Override
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// public void widgetSelected(SelectionEvent event) {
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// ITranslationServiceWrapper service = new GoogleLanguageApiWrapper();
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// String translatedText;
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// try {
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// String text = text_source.getText();
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// Language sourceLanguage = text_source.getLanguageString().getLanguage();
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// Language targetLanguage = combo_targetLanguage.getSelection();
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//
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// if(targetLanguage == null){
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// StoreUtil.warningDialog("Please select a target language", TranslationWizardPage.class, "Please select a language from the combo box at the right.");
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// return;
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// }
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//
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// translatedText = service.translate(text, sourceLanguage, targetLanguage);
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// text_target.setText(translatedText);
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// } catch (LanguageNotSupportedException e) {
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// StoreUtil.warningDialog("Language not supported", TranslationWizardPage.class, "The chosen language is not supported by the translation service.");
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// } catch (Exception e){
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// StoreUtil.warningDialog("Error translating text", TranslationWizardPage.class, e.getMessage());
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// }
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//
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// }
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// });
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}
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/**
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*
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* @return
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*/
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private List<Language> getLanguages(){
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Set<Language> languageSet = MultilanguageTextHelper.getLanguages(multilanguageText);
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List<Language> languageList = new ArrayList<Language>();
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// protect against corrupt language sets
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for (Language language : languageSet){
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if (language != null){
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languageList.add(language);
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}else{
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MessagingUtils.warningDialog("Empty languages", getClass(), "The multilanguage string contains invalid data. Please contact the administrator of you datasource.");
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}
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}
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return languageList;
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.dialogs.DialogPage#dispose()
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*/
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/** {@inheritDoc} */
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@Override
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public void dispose() {
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super.dispose();
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}
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/**
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* @return
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*
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*/
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public LanguageString getTargetLanguageString() {
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return text_target.getLanguageString();
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}
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}
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