eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/TaxonEditorInputFactory.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.editor;
  12
  13 import java.util.UUID;
  14
  15 import org.eclipse.core.runtime.IAdaptable;
  16 import org.eclipse.ui.IElementFactory;
  17 import org.eclipse.ui.IMemento;
  18
  19 import eu.etaxonomy.cdm.api.service.IClassificationService;
  20 import eu.etaxonomy.taxeditor.store.CdmStore;
  21
  22
  23 /**
  24  * <p>TaxonEditorInputFactory class.</p>
  25  *
  26  * @author p.ciardelli
  27  * @created 23.04.2009
  28  * @version 1.0
  29  */
  30 public class TaxonEditorInputFactory implements IElementFactory {
  31
  32     /**
  33      * Factory id. The workbench plug-in registers a factory by this name
  34      * with the "org.eclipse.ui.elementFactories" extension point.
  35      */
  36     private static final String ID_FACTORY = "eu.etaxonomy.taxeditor.editor.name.taxonEditorInputFactory"; //$NON-NLS-1$
  37
  38     /**
  39      * Tag for the IFile.fullPath of the file resource.
  40      */
  41     private static final String TAXON_NODE_UUID = "uuid"; //$NON-NLS-1$
  42
  43         /* (non-Javadoc)
  44          * @see org.eclipse.ui.IElementFactory#createElement(org.eclipse.ui.IMemento)
  45          */
  46         /** {@inheritDoc} */
  47         public IAdaptable createElement(IMemento memento) {
  48         // Get the uuid
  49         String taxonNodeUuid = memento.getString(TAXON_NODE_UUID);
  50         if(! CdmStore.isActive()){
  51                 return null;
  52         }
  53         if (taxonNodeUuid == null || CdmStore.getService(IClassificationService.class).getTaxonNodeByUuid(UUID.fromString(taxonNodeUuid)) == null) {
  54                 EditorUtil.warn(this.getClass(), "Couldn't find taxon node with UUID " + taxonNodeUuid);
  55                 return null;
  56         }
  57         try {
  58                         return TaxonEditorInput.NewInstance(UUID.fromString(taxonNodeUuid));
  59                 } catch (Exception e) {
  60                         EditorUtil.warningDialog("Could not create element", TaxonEditorInputFactory.class, e.getMessage());
  61                 }
  62                 return null;
  63         }
  64
  65     /**
  66      * Returns the element factory id for this class.
  67      *
  68      * @return the element factory id
  69      */
  70     public static String getFactoryId() {
  71         return ID_FACTORY;
  72     }
  73
  74     /**
  75      * Saves the state of the given file editor input into the given memento.
  76      *
  77      * @param memento the storage area for element state
  78      * @param input the file editor input
  79      */
  80     public static void saveState(IMemento memento, TaxonEditorInput input) {
  81         String uuid = input.getTaxonNode().getUuid().toString();
  82         memento.putString(TAXON_NODE_UUID, uuid);
  83     }
  84 }