eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/ChooseFromMultipleTaxonNodesDialog.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.editor;
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import java.util.Set;
  14
  15 import org.eclipse.core.runtime.IStatus;
  16 import org.eclipse.jface.viewers.IStructuredContentProvider;
  17 import org.eclipse.jface.viewers.LabelProvider;
  18 import org.eclipse.jface.viewers.Viewer;
  19 import org.eclipse.swt.widgets.Shell;
  20 import org.eclipse.ui.dialogs.ListDialog;
  21
  22 import eu.etaxonomy.cdm.model.taxon.Classification;
  23 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  24 import eu.etaxonomy.taxeditor.editor.l10n.Messages;
  25
  26 /**
  27  * <p>ChooseClassificationWizard class.</p>
  28  *
  29  * @author n.hoffmann
  30  * @created 19.03.2009
  31  */
  32 public class ChooseFromMultipleTaxonNodesDialog extends ListDialog {
  33
  34         public static TaxonNode choose(Set<TaxonNode> taxonNodes){
  35                 ChooseFromMultipleTaxonNodesDialog dialog = new ChooseFromMultipleTaxonNodesDialog(EditorUtil.getShell());
  36                 dialog.setInput(taxonNodes);
  37                 int result = dialog.open();
  38
  39                 if(result == IStatus.OK){
  40                         Classification selectedClassification = (Classification) dialog.getResult()[0];
  41
  42                         for(TaxonNode taxonNode : taxonNodes){
  43                                 if(taxonNode.getClassification().equals(selectedClassification)){
  44                                         return taxonNode;
  45                                 }
  46                         }
  47                 }
  48                 return null;
  49         }
  50
  51         public ChooseFromMultipleTaxonNodesDialog(Shell parent) {
  52                 super(parent);
  53                 setTitle(Messages.ChooseFromMultipleTaxonNodesDialog_CHOOSE_CLASSIFICATION);
  54                 setMessage(Messages.ChooseFromMultipleTaxonNodesDialog_CHOOSE_CLASSIFICATION_MESSAGE);
  55                 setContentProvider(new ClassificationContentProvider());
  56                 setLabelProvider(new ClassificationLabelProvider());
  57         }
  58
  59         private class ClassificationLabelProvider extends LabelProvider{
  60                 @Override
  61                 public String getText(Object element) {
  62                         return super.getText(((Classification) element).getTitleCache());
  63                 }
  64         }
  65
  66         private class ClassificationContentProvider implements IStructuredContentProvider{
  67
  68                 @Override
  69                 public Object[] getElements(Object inputElement) {
  70                         Set<TaxonNode> taxonNodes = (Set<TaxonNode>) inputElement;
  71
  72                                 List<Classification> classifications = new ArrayList<>();
  73
  74                                 for(TaxonNode node : taxonNodes){
  75                                         classifications.add(node.getClassification());
  76                                 }
  77
  78                                 return classifications.toArray();
  79                 }
  80
  81                 @Override
  82                 public void dispose() {
  83
  84                 }
  85
  86                 @Override
  87                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  88
  89                 }
  90         }
  91 }