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(String.format("New %s", getEntityName()));
  54         }
  55
  56         /**
  57          * FIXME there might be a smarter way to do this,
  58          *
  59          * @return
  60          */
  61         protected abstract String getEntityName();
  62
  63         /* (non-Javadoc)
  64          * @see org.eclipse.jface.wizard.Wizard#performFinish()
  65          */
  66         /** {@inheritDoc} */
  67         @Override
  68         public boolean performFinish() {
  69                 saveEntity();
  70
  71                 conversation.commit();
  72                 conversation.close();
  73                 return true;
  74         }
  75
  76         /**
  77          * <p>Getter for the field <code>entity</code>.</p>
  78          *
  79          * @return a T object.
  80          */
  81         public T getEntity() {
  82                 return entity;
  83         }
  84
  85         /**
  86          * <p>Setter for the field <code>entity</code>.</p>
  87          *
  88          * @param entity a T object.
  89          */
  90         public void setEntity(T entity){
  91                 this.entity = entity;
  92         }
  93
  94         /**
  95          * Adds the entity to the current persistence context
  96          */
  97         protected abstract void saveEntity();
  98
  99         /* (non-Javadoc)
 100          * @see org.eclipse.ui.IWorkbenchWizard#init(org.eclipse.ui.IWorkbench, org.eclipse.jface.viewers.IStructuredSelection)
 101          */
 102         /** {@inheritDoc} */
 103         @Override
 104         public void init(IWorkbench workbench, IStructuredSelection selection) {
 105                 this.workbench = workbench != null ? workbench : StoreUtil.getWorkbench();
 106
 107                 if(selection == null){
 108                         ISelectionService service = (ISelectionService) this.workbench.getActiveWorkbenchWindow().getSelectionService();
 109                         if(service.getSelection() instanceof IStructuredSelection){
 110                                 selection = (IStructuredSelection) service.getSelection();
 111                         }
 112                 }
 113                 this.selection = selection;
 114
 115                 formFactory = new CdmFormFactory(Display.getCurrent(), null);
 116                 conversation = CdmStore.createConversation();
 117                 entity = createNewEntity();
 118
 119         }
 120
 121         /**
 122          * <p>createNewEntity</p>
 123          *
 124          * @return a T object.
 125          */
 126         protected abstract T createNewEntity();
 127
 128         /**
 129          * <p>getConversationHolder</p>
 130          *
 131          * @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder} object.
 132          */
 133         public ConversationHolder getConversationHolder() {
 134                 return conversation;
 135         }
 136
 137         /** {@inheritDoc} */
 138         public void update(CdmDataChangeMap changeEvents) {}
 139
 140         /**
 141          * @return the workbench
 142          */
 143         public IWorkbench getWorkbench() {
 144                 return workbench;
 145         }
 146
 147         /**
 148          * @return the selection
 149          */
 150         public IStructuredSelection getSelection() {
 151                 return selection;
 152         }
 153 }