eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/TaxonEditorInputFactory.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.UUID;
  13
  14 import org.eclipse.core.runtime.IAdaptable;
  15 import org.eclipse.ui.IElementFactory;
  16 import org.eclipse.ui.IMemento;
  17
  18 import eu.etaxonomy.cdm.api.service.IClassificationService;
  19 import eu.etaxonomy.taxeditor.editor.l10n.Messages;
  20 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  21 import eu.etaxonomy.taxeditor.store.CdmStore;
  22
  23
  24 /**
  25  * <p>TaxonEditorInputFactory class.</p>
  26  *
  27  * @author p.ciardelli
  28  * @created 23.04.2009
  29  * @version 1.0
  30  */
  31 public class TaxonEditorInputFactory implements IElementFactory {
  32
  33     /**
  34      * Factory id. The workbench plug-in registers a factory by this name
  35      * with the "org.eclipse.ui.elementFactories" extension point.
  36      */
  37     private static final String ID_FACTORY = "eu.etaxonomy.taxeditor.editor.name.taxonEditorInputFactory"; //$NON-NLS-1$
  38
  39     /**
  40      * Tag for the IFile.fullPath of the file resource.
  41      */
  42     private static final String TAXON_NODE_UUID = "uuid"; //$NON-NLS-1$
  43
  44         /* (non-Javadoc)
  45          * @see org.eclipse.ui.IElementFactory#createElement(org.eclipse.ui.IMemento)
  46          */
  47         /** {@inheritDoc} */
  48         public IAdaptable createElement(IMemento memento) {
  49         // Get the uuid
  50         String taxonNodeUuid = memento.getString(TAXON_NODE_UUID);
  51         if(! CdmStore.isActive()){
  52                 return null;
  53         }
  54         if (taxonNodeUuid == null || CdmStore.getService(IClassificationService.class).getTaxonNodeByUuid(UUID.fromString(taxonNodeUuid)) == null) {
  55                 MessagingUtils.warn(this.getClass(), Messages.TaxonEditorInputFactory_NOT_FOUND_TAXON + taxonNodeUuid);
  56                 return null;
  57         }
  58         try {
  59                         return TaxonEditorInput.NewInstance(UUID.fromString(taxonNodeUuid));
  60                 } catch (Exception e) {
  61                         MessagingUtils.warningDialog(Messages.TaxonEditorInputFactory_COULD_NOT_CREATE, TaxonEditorInputFactory.class, e.getMessage());
  62                 }
  63                 return null;
  64         }
  65
  66     /**
  67      * Returns the element factory id for this class.
  68      *
  69      * @return the element factory id
  70      */
  71     public static String getFactoryId() {
  72         return ID_FACTORY;
  73     }
  74
  75     /**
  76      * Saves the state of the given file editor input into the given memento.
  77      *
  78      * @param memento the storage area for element state
  79      * @param input the file editor input
  80      */
  81     public static void saveState(IMemento memento, TaxonEditorInput input) {
  82         String uuid = input.getTaxonNode().getUuid().toString();
  83         memento.putString(TAXON_NODE_UUID, uuid);
  84     }
  85 }