eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/newWizard/AbstractNewEntityWizard.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.newWizard;
  11
  12 import org.eclipse.e4.ui.workbench.IWorkbench;
  13 import org.eclipse.jface.viewers.IStructuredSelection;
  14 import org.eclipse.jface.wizard.Wizard;
  15 import org.eclipse.swt.widgets.Display;
  16
  17 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  18 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  19 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  20 import eu.etaxonomy.taxeditor.store.CdmStore;
  21 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  22
  23 /**
  24  *
  25  * @author n.hoffmann
  26  * @created Jun 1, 2010
  27  * @version 1.0
  28  */
  29 public abstract class AbstractNewEntityWizard<T> extends Wizard implements
  30                 IConversationEnabled {
  31
  32         protected ConversationHolder conversation;
  33
  34         protected CdmFormFactory formFactory;
  35
  36         private T entity;
  37
  38         protected IStructuredSelection selection;
  39
  40         public AbstractNewEntityWizard(){
  41                 setWindowTitle(String.format("New %s", getEntityName()));
  42         }
  43
  44         /**
  45          * FIXME there might be a smarter way to do this,
  46          *
  47          * @return
  48          */
  49         protected abstract String getEntityName();
  50
  51         /** {@inheritDoc} */
  52         @Override
  53         public boolean performFinish() {
  54                 saveEntity();
  55
  56                 conversation.commit();
  57                 conversation.close();
  58                 conversation = null;
  59                 return true;
  60         }
  61
  62         public T getEntity() {
  63                 return entity;
  64         }
  65
  66         public void setEntity(T entity){
  67                 this.entity = entity;
  68         }
  69
  70         /**
  71          * Adds the entity to the current persistence context
  72          */
  73         protected abstract void saveEntity();
  74
  75         /** {@inheritDoc} */
  76         public void init(IWorkbench workbench, IStructuredSelection selection) {
  77             formFactory = new CdmFormFactory(Display.getCurrent(), null);
  78             conversation = CdmStore.createConversation();
  79             this.selection = selection;
  80                 entity = createNewEntity();
  81
  82         }
  83
  84         protected abstract T createNewEntity();
  85
  86         @Override
  87     public ConversationHolder getConversationHolder() {
  88                 return conversation;
  89         }
  90
  91         /** {@inheritDoc} */
  92         @Override
  93     public void update(CdmDataChangeMap changeEvents) {}
  94
  95         public IStructuredSelection getSelection() {
  96                 return selection;
  97         }
  98 }