taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/ui/forms/MultilanguageTextElement.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.forms;
  12
  13 import java.util.ArrayList;
  14 import java.util.Arrays;
  15 import java.util.List;
  16 import java.util.Map;
  17
  18 import org.eclipse.core.runtime.IStatus;
  19 import org.eclipse.jface.util.PropertyChangeEvent;
  20 import org.eclipse.jface.wizard.WizardDialog;
  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.events.SelectionListener;
  25 import org.eclipse.swt.widgets.Button;
  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.preference.PreferencesUtil;
  31 import eu.etaxonomy.taxeditor.store.CdmStore;
  32 import eu.etaxonomy.taxeditor.ui.forms.CdmFormFactory.TermComboType;
  33 import eu.etaxonomy.taxeditor.ui.term.EmptyComboElement;
  34 import eu.etaxonomy.taxeditor.ui.translation.TranslationWizard;
  35
  36 /**
  37  * <p>MultilanguageTextElement class.</p>
  38  *
  39  * @author n.hoffmann
  40  * @created Sep 29, 2010
  41  * @version 1.0
  42  */
  43 public class MultilanguageTextElement extends AbstractCdmFormElement implements SelectionListener{
  44
  45         private class OpenTranslationWizard extends SelectionAdapter {
  46                 private Map<Language, LanguageString> multilanguageText;
  47
  48                 public OpenTranslationWizard(Map<Language, LanguageString> multilanguageText){
  49                         super();
  50                         this.multilanguageText = multilanguageText;
  51                 }
  52
  53                 /* (non-Javadoc)
  54                  * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
  55                  */
  56                 @Override
  57                 public void widgetSelected(SelectionEvent e) {
  58                         TranslationWizard wizard = new TranslationWizard(multilanguageText);
  59                         WizardDialog dialog = new WizardDialog(getLayoutComposite().getShell(), wizard);
  60
  61                         if (dialog.open() == IStatus.OK){
  62                                 combo_language.setTerms(getLanguages());
  63                                 updateControls();
  64                         }
  65
  66                 }
  67         }
  68
  69
  70         private EmptyComboElement<Language> combo_language;
  71
  72         private LanguageStringWithLabelElement element_languageString;
  73
  74         private Button button;
  75
  76
  77
  78         private Map<Language, LanguageString> multilanguageText;
  79
  80         /**
  81          * <p>Constructor for MultilanguageTextElement.</p>
  82          *
  83          * @param formFactory a {@link eu.etaxonomy.taxeditor.ui.forms.CdmFormFactory} object.
  84          * @param formElement a {@link eu.etaxonomy.taxeditor.ui.forms.ICdmFormElement} object.
  85          * @param labelString a {@link java.lang.String} object.
  86          * @param multilanguageText a {@link java.util.Map} object.
  87          * @param textHeight a {@link java.lang.Integer} object.
  88          * @param style a int.
  89          */
  90         public MultilanguageTextElement(CdmFormFactory formFactory,
  91                         ICdmFormElement formElement, String labelString, Map<Language, LanguageString> multilanguageText, Integer textHeight, int style) {
  92                 super(formFactory, formElement);
  93
  94                 formFactory.addPropertyChangeListener(this);
  95
  96                 element_languageString = formFactory.createLanguageStringWithLabelElement(formElement, labelString, null, textHeight, style);
  97
  98                 if (PreferencesUtil.isMultilanguageTextEditingCapability()) {
  99                         combo_language = (EmptyComboElement<Language>) formFactory
 100                                         .createTermComboElement(TermComboType.EMPTY, formElement,
 101                                                         "", null, style);
 102                         combo_language.addSelectionListener(this);
 103                         addControl(formFactory.createLabel(getLayoutComposite(), ""));
 104                         button = formFactory.createButton(getLayoutComposite(),
 105                                         "Open In Translation Editor", SWT.PUSH);
 106                         addControl(button);
 107                         button.setLayoutData(CdmFormFactory.RIGHT());
 108                         button.addSelectionListener(new OpenTranslationWizard(
 109                                         multilanguageText));
 110                 }
 111                 setMultilanguageText(multilanguageText);
 112         }
 113
 114         /* (non-Javadoc)
 115          * @see eu.etaxonomy.taxeditor.forms.ISelectable#setSelected(boolean)
 116          */
 117         /** {@inheritDoc} */
 118         @Override
 119         public void setSelected(boolean selected) {
 120                 //
 121         }
 122
 123         private List<Language> getLanguages(){
 124
 125                 ArrayList<Language> languageList = new ArrayList<Language>(getMultilanguageText().keySet());
 126
 127                 // TODO sort
 128
 129                 return languageList;
 130         }
 131
 132         /* (non-Javadoc)
 133          * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 134          */
 135         /** {@inheritDoc} */
 136         @Override
 137         public void widgetSelected(SelectionEvent e) {
 138                 Language selectedLanguage = combo_language.getSelection();
 139                 if(selectedLanguage != null){
 140                         LanguageString selectedLanguageString = getMultilanguageText().get(selectedLanguage);
 141
 142                         element_languageString.setLanguageString(selectedLanguageString);
 143                 }
 144         }
 145
 146         /* (non-Javadoc)
 147          * @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
 148          */
 149         /** {@inheritDoc} */
 150         @Override
 151         public void widgetDefaultSelected(SelectionEvent e) {}
 152
 153         /**
 154          * <p>Setter for the field <code>multilanguageText</code>.</p>
 155          *
 156          * @param multilanguageText the multilanguageText to set
 157          */
 158         public void setMultilanguageText(Map<Language, LanguageString> multilanguageText) {
 159                 this.multilanguageText = multilanguageText;
 160
 161                 if(multilanguageText != null){
 162                         if(multilanguageText.isEmpty()){
 163                                 multilanguageText.put(CdmStore.getDefaultLanguage(), LanguageString.NewInstance("", CdmStore.getDefaultLanguage()));
 164                         }
 165                         if (PreferencesUtil.isMultilanguageTextEditingCapability()) {
 166                                 combo_language.setTerms(getLanguages());
 167                         }
 168                         updateControls();
 169                 }
 170         }
 171
 172         /**
 173          *
 174          */
 175         private void updateControls() {
 176                 LanguageString preferredLanguageString = MultilanguageTextHelper.getPreferredLanguageString(getMultilanguageText(), Arrays.asList(new Language[]{CdmStore.getDefaultLanguage()}));
 177
 178                 element_languageString.setLanguageString(preferredLanguageString);
 179                 if (PreferencesUtil.isMultilanguageTextEditingCapability()) {
 180                         combo_language.setSelection(preferredLanguageString.getLanguage());
 181                 }
 182         }
 183
 184         /**
 185          * <p>Getter for the field <code>multilanguageText</code>.</p>
 186          *
 187          * @return the multilanguageText
 188          */
 189         public Map<Language, LanguageString> getMultilanguageText() {
 190                 return multilanguageText;
 191         }
 192
 193         /* (non-Javadoc)
 194          * @see eu.etaxonomy.taxeditor.forms.AbstractCdmFormElement#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
 195          */
 196         /** {@inheritDoc} */
 197         @Override
 198         public void propertyChange(PropertyChangeEvent event) {
 199                 if(event == null){
 200                         return;
 201                 }
 202                 Object eventSource = event.getSource();
 203                 if(eventSource == element_languageString){
 204                         LanguageString languageString = ((LanguageStringWithLabelElement) eventSource).getLanguageString();
 205                         multilanguageText.put(languageString.getLanguage(), languageString);
 206                 }
 207         }
 208 }