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 package eu.etaxonomy.taxeditor.newWizard;
  10
  11 import org.eclipse.e4.ui.workbench.IWorkbench;
  12 import org.eclipse.jface.viewers.IStructuredSelection;
  13 import org.eclipse.jface.wizard.Wizard;
  14 import org.eclipse.swt.widgets.Display;
  15
  16 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  17 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  18 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  19 import eu.etaxonomy.taxeditor.store.CdmStore;
  20 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  21
  22 /**
  23  * @author n.hoffmann
  24  * @created Jun 1, 2010
  25  */
  26 public abstract class AbstractNewEntityWizard<T>
  27         extends Wizard
  28         implements IConversationEnabled {
  29
  30         protected ConversationHolder conversation;
  31
  32         protected CdmFormFactory formFactory;
  33
  34         private T entity;
  35
  36         protected IStructuredSelection selection;
  37
  38         public AbstractNewEntityWizard(){
  39                 setWindowTitle(String.format("New %s", getEntityName()));
  40         }
  41
  42         /**
  43          * FIXME there might be a smarter way to do this,
  44          */
  45         protected abstract String getEntityName();
  46
  47         @Override
  48         public boolean performFinish() {
  49                 saveEntity();
  50
  51                 conversation.commit();
  52                 conversation.close();
  53                 conversation = null;
  54                 return true;
  55         }
  56
  57         public T getEntity() {
  58                 return entity;
  59         }
  60
  61         public void setEntity(T entity){
  62                 this.entity = entity;
  63         }
  64
  65         /**
  66          * Adds the entity to the current persistence context
  67          */
  68         protected abstract void saveEntity();
  69
  70         public void init(IWorkbench workbench, IStructuredSelection selection) {
  71             formFactory = new CdmFormFactory(Display.getCurrent(), null);
  72             conversation = CdmStore.createConversation();
  73             this.selection = selection;
  74                 entity = createNewEntity();
  75
  76         }
  77
  78         protected abstract T createNewEntity();
  79
  80         @Override
  81     public ConversationHolder getConversationHolder() {
  82                 return conversation;
  83         }
  84
  85         @Override
  86     public void update(CdmDataChangeMap changeEvents) {}
  87
  88         public IStructuredSelection getSelection() {
  89                 return selection;
  90         }
  91 }