eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/newWizard/AbstractNewEntityWizard.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.newWizard;
  12
  13 import org.eclipse.jface.viewers.IStructuredSelection;
  14 import org.eclipse.jface.wizard.Wizard;
  15 import org.eclipse.swt.widgets.Display;
  16 import org.eclipse.ui.INewWizard;
  17 import org.eclipse.ui.ISelectionService;
  18 import org.eclipse.ui.IWorkbench;
  19
  20 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  21 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  22 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  23 import eu.etaxonomy.taxeditor.store.CdmStore;
  24 import eu.etaxonomy.taxeditor.store.StoreUtil;
  25 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  26
  27 /**
  28  * <p>Abstract AbstractNewEntityWizard class.</p>
  29  *
  30  * @author n.hoffmann
  31  * @created Jun 1, 2010
  32  * @version 1.0
  33  */
  34 public abstract class AbstractNewEntityWizard<T> extends Wizard implements
  35                 INewWizard, IConversationEnabled {
  36
  37         private ConversationHolder conversation;
  38
  39         protected CdmFormFactory formFactory;
  40
  41         private T entity;
  42
  43         private IWorkbench workbench;
  44
  45         private IStructuredSelection selection;
  46
  47         /**
  48          * <p>Constructor for AbstractNewEntityWizard.</p>
  49          *
  50          * @param <T> a T object.
  51          */
  52         public AbstractNewEntityWizard(){
  53                 setWindowTitle("New Entity");
  54         }
  55
  56         /* (non-Javadoc)
  57          * @see org.eclipse.jface.wizard.Wizard#performFinish()
  58          */
  59         /** {@inheritDoc} */
  60         @Override
  61         public boolean performFinish() {
  62                 saveEntity();
  63
  64                 conversation.commit();
  65                 conversation.close();
  66                 return true;
  67         }
  68
  69         /**
  70          * <p>Getter for the field <code>entity</code>.</p>
  71          *
  72          * @return a T object.
  73          */
  74         public T getEntity() {
  75                 return entity;
  76         }
  77
  78         /**
  79          * <p>Setter for the field <code>entity</code>.</p>
  80          *
  81          * @param entity a T object.
  82          */
  83         public void setEntity(T entity){
  84                 this.entity = entity;
  85         }
  86
  87         /**
  88          * Adds the entity to the current persistence context
  89          */
  90         protected abstract void saveEntity();
  91
  92         /* (non-Javadoc)
  93          * @see org.eclipse.ui.IWorkbenchWizard#init(org.eclipse.ui.IWorkbench, org.eclipse.jface.viewers.IStructuredSelection)
  94          */
  95         /** {@inheritDoc} */
  96         @Override
  97         public void init(IWorkbench workbench, IStructuredSelection selection) {
  98                 this.workbench = workbench != null ? workbench : StoreUtil.getWorkbench();
  99
 100                 if(selection == null){
 101                         ISelectionService service = (ISelectionService) this.workbench.getActiveWorkbenchWindow().getSelectionService();
 102                         if(service.getSelection() instanceof IStructuredSelection){
 103                                 selection = (IStructuredSelection) service.getSelection();
 104                         }
 105                 }
 106                 this.selection = selection;
 107
 108                 formFactory = new CdmFormFactory(Display.getCurrent(), null);
 109                 conversation = CdmStore.createConversation();
 110                 entity = createNewEntity();
 111
 112         }
 113
 114         /**
 115          * <p>createNewEntity</p>
 116          *
 117          * @return a T object.
 118          */
 119         protected abstract T createNewEntity();
 120
 121         /**
 122          * <p>getConversationHolder</p>
 123          *
 124          * @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder} object.
 125          */
 126         public ConversationHolder getConversationHolder() {
 127                 return conversation;
 128         }
 129
 130         /** {@inheritDoc} */
 131         public void update(CdmDataChangeMap changeEvents) {}
 132
 133         /**
 134          * @return the workbench
 135          */
 136         public IWorkbench getWorkbench() {
 137                 return workbench;
 138         }
 139
 140         /**
 141          * @return the selection
 142          */
 143         public IStructuredSelection getSelection() {
 144                 return selection;
 145         }
 146 }