eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/preference/menu/CdmPreferencePage.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2015 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 package eu.etaxonomy.taxeditor.preference.menu;
  11
  12 import java.util.Collection;
  13 import java.util.List;
  14 import java.util.Map;
  15
  16 import org.eclipse.jface.preference.PreferencePage;
  17
  18 import eu.etaxonomy.cdm.model.common.CdmBase;
  19 import eu.etaxonomy.taxeditor.session.ICdmEntitySession;
  20 import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
  21 import eu.etaxonomy.taxeditor.store.CdmStore;
  22
  23 /**
  24  * @author cmathew
  25  * @date 30 Jul 2015
  26  *
  27  */
  28 public abstract class CdmPreferencePage extends PreferencePage implements ICdmEntitySessionEnabled {
  29
  30     public CdmPreferencePage() {
  31         bindNullSession();
  32     }
  33
  34     public CdmPreferencePage(String title) {
  35         super(title);
  36         bindNullSession();
  37     }
  38
  39     private void bindNullSession() {
  40         if(CdmStore.isActive()) {
  41             CdmStore.getCurrentSessionManager().bindNullSession(this);
  42         }
  43     }
  44
  45     protected void disposeNullSession() {
  46         if(CdmStore.isActive()) {
  47             CdmStore.getCurrentSessionManager().dispose(this);
  48         }
  49     }
  50
  51     @Override
  52     public boolean performOk() {
  53         disposeNullSession();
  54         return super.performOk();
  55     }
  56
  57     @Override
  58     public boolean performCancel() {
  59         disposeNullSession();
  60         return super.performCancel();
  61     }
  62
  63        /* (non-Javadoc)
  64      * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled#getCdmEntitySession()
  65      */
  66     @Override
  67     public ICdmEntitySession getCdmEntitySession() {
  68         return CdmStore.getCurrentSessionManager().getNullSession();
  69     }
  70
  71     /* (non-Javadoc)
  72      * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled#getRootEntities()
  73      */
  74     @Override
  75     public <T extends CdmBase> Collection<T> getRootEntities() {
  76         return null;
  77     }
  78
  79     /* (non-Javadoc)
  80      * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled#getPropertyPathsMap()
  81      */
  82     @Override
  83     public Map<Object, List<String>> getPropertyPathsMap() {
  84         return null;
  85     }
  86
  87 }