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
  10 package eu.etaxonomy.taxeditor.editor;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.Set;
  15
  16 import org.eclipse.core.runtime.IStatus;
  17 import org.eclipse.jface.viewers.IStructuredContentProvider;
  18 import org.eclipse.jface.viewers.LabelProvider;
  19 import org.eclipse.jface.viewers.Viewer;
  20 import org.eclipse.swt.widgets.Shell;
  21 import org.eclipse.ui.dialogs.ListDialog;
  22
  23 import eu.etaxonomy.cdm.model.taxon.Classification;
  24 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  25 import eu.etaxonomy.taxeditor.editor.l10n.Messages;
  26
  27 /**
  28  * <p>ChooseClassificationWizard class.</p>
  29  *
  30  * @author n.hoffmann
  31  * @created 19.03.2009
  32  * @version 1.0
  33  */
  34 public class ChooseFromMultipleTaxonNodesDialog extends ListDialog {
  35
  36         public static TaxonNode choose(Set<TaxonNode> taxonNodes){
  37                 ChooseFromMultipleTaxonNodesDialog dialog = new ChooseFromMultipleTaxonNodesDialog(EditorUtil.getShell());
  38                 dialog.setInput(taxonNodes);
  39                 int result = dialog.open();
  40
  41                 if(result == IStatus.OK){
  42                         Classification selectedClassification = (Classification) dialog.getResult()[0];
  43
  44                         for(TaxonNode taxonNode : taxonNodes){
  45                                 if(taxonNode.getClassification().equals(selectedClassification)){
  46                                         return taxonNode;
  47                                 }
  48                         }
  49                 }
  50                 return null;
  51         }
  52
  53         public ChooseFromMultipleTaxonNodesDialog(Shell parent) {
  54                 super(parent);
  55                 setTitle(Messages.ChooseFromMultipleTaxonNodesDialog_CHOOSE_CLASSIFICATION);
  56                 setMessage(Messages.ChooseFromMultipleTaxonNodesDialog_CHOOSE_CLASSIFICATION_MESSAGE);
  57                 setContentProvider(new ClassificationContentProvider());
  58                 setLabelProvider(new ClassificationLabelProvider());
  59         }
  60
  61         private class ClassificationLabelProvider extends LabelProvider{
  62                 @Override
  63                 public String getText(Object element) {
  64                         return super.getText(((Classification) element).getTitleCache());
  65                 }
  66         }
  67
  68         private class ClassificationContentProvider implements IStructuredContentProvider{
  69
  70                 @Override
  71                 public Object[] getElements(Object inputElement) {
  72                         Set<TaxonNode> taxonNodes = (Set<TaxonNode>) inputElement;
  73
  74                                 List<Classification> classifications = new ArrayList<Classification>();
  75
  76                                 for(TaxonNode node : taxonNodes){
  77                                         classifications.add(node.getClassification());
  78                                 }
  79
  80                                 return classifications.toArray();
  81                 }
  82
  83                 @Override
  84                 public void dispose() {
  85
  86                 }
  87
  88                 @Override
  89                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  90
  91                 }
  92         }
  93 }