eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/group/authority/e4/CdmAuthorityEditorE4.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.editor.group.authority.e4;
  10
  11 import javax.annotation.PostConstruct;
  12 import javax.annotation.PreDestroy;
  13 import javax.inject.Inject;
  14
  15 import org.eclipse.core.runtime.IProgressMonitor;
  16 import org.eclipse.e4.ui.di.Focus;
  17 import org.eclipse.e4.ui.di.Persist;
  18 import org.eclipse.e4.ui.model.application.ui.MDirtyable;
  19 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.layout.FillLayout;
  22 import org.eclipse.swt.widgets.Composite;
  23
  24 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  25 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  26 import eu.etaxonomy.cdm.model.common.Group;
  27 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  28 import eu.etaxonomy.taxeditor.editor.group.authority.CdmAuthorityEditorInput;
  29 import eu.etaxonomy.taxeditor.editor.l10n.Messages;
  30 import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
  31 import eu.etaxonomy.taxeditor.ui.group.grantedauthority.CdmAuthorityCompositeViewer;
  32
  33 /**
  34  * Editor responsible for editing authorities related to a particular {@link Group} entity.
  35  *
  36  * @author cmathew
  37  * @created Mar 28, 2013
  38  *
  39  */
  40 public class CdmAuthorityEditorE4 implements IConversationEnabled, IDirtyMarkable {
  41
  42         public static final String ID = "eu.etaxonomy.taxeditor.editor.group.authority"; //$NON-NLS-1$
  43
  44         @Inject
  45         private MDirtyable dirty;
  46         private ConversationHolder conversation;
  47         private CdmAuthorityCompositeViewer viewer;
  48
  49         private CdmAuthorityEditorInput input;
  50
  51         @Inject
  52         private MPart thisPart;
  53
  54     private Composite container;
  55
  56         @Inject
  57         public CdmAuthorityEditorE4() {
  58
  59         }
  60
  61         /**
  62          * Create contents of the editor part.
  63          * @param parent
  64          */
  65         @PostConstruct
  66         public void createPartControl(Composite parent) {
  67                 container = new Composite(parent, SWT.NONE);
  68                 container.setLayout(new FillLayout(SWT.HORIZONTAL));
  69
  70         }
  71
  72         @Focus
  73         public void setFocus() {
  74             if(input!=null){
  75                 input.bind();
  76             }
  77         }
  78
  79         @Persist
  80         public void doSave(IProgressMonitor monitor) {
  81                 try {
  82                         monitor.beginTask(Messages.CdmAuthorityEditor_SAVING_AUTHORITY_EDITOR, 1);
  83                         getConversationHolder().commit(true);
  84                         input.merge();
  85                         dirty.setDirty(false);
  86                         monitor.worked(1);
  87                 } finally {
  88                         monitor.done();
  89                         viewer.save();
  90                 }
  91         }
  92
  93         public void init(CdmAuthorityEditorInput input) {
  94             this.input = input;
  95
  96         conversation = input.getConversationHolder();
  97
  98         this.viewer = new CdmAuthorityCompositeViewer(container, this,input.getGroup());
  99
 100         thisPart.setLabel(input.getName());
 101         container.layout();
 102         }
 103
 104         public boolean isDirty() {
 105                 return dirty.isDirty();
 106         }
 107
 108         @Override
 109         public void update(CdmDataChangeMap changeEvents) {
 110         }
 111
 112         @Override
 113         public void changed(Object element) {
 114                 //FIXME : should be optimised to split changes into adding / removing authorities
 115                 //        vs updating authorites
 116                 dirty.setDirty(viewer.isDirty());
 117                 // if the change has happened on the group then refresh the table
 118                 if(element instanceof Group) {
 119                         //FIXME: activating (setting focus) on the editor happens on every change
 120                         //       This should be changed to only when the drop is successful
 121                     //FIXME E4 migrate/delete
 122 //                      getSite().getPage().activate(this);
 123                 }
 124
 125         }
 126
 127         @Override
 128         public void forceDirty() {
 129             changed(null);
 130         }
 131
 132         @Override
 133         public ConversationHolder getConversationHolder() {
 134                 return conversation;
 135         }
 136
 137         @PreDestroy
 138         public void dispose() {
 139             if(conversation!=null){
 140                 conversation.unregisterForDataStoreChanges(this);
 141                 conversation.close();
 142                 conversation = null;
 143             }
 144                 if(input!=null){
 145                     input.getCdmEntitySession().dispose();
 146                 }
 147         }
 148 }