eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/AbstractAccountViewPart.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.view;
  12
  13 import java.util.Collection;
  14
  15 import org.eclipse.core.runtime.IProgressMonitor;
  16 import org.eclipse.jface.action.GroupMarker;
  17 import org.eclipse.jface.action.MenuManager;
  18 import org.eclipse.jface.viewers.ArrayContentProvider;
  19 import org.eclipse.jface.viewers.IBaseLabelProvider;
  20 import org.eclipse.jface.viewers.ISelection;
  21 import org.eclipse.jface.viewers.TableViewer;
  22 import org.eclipse.jface.viewers.Viewer;
  23 import org.eclipse.swt.SWT;
  24 import org.eclipse.swt.events.FocusAdapter;
  25 import org.eclipse.swt.events.FocusEvent;
  26 import org.eclipse.swt.layout.FillLayout;
  27 import org.eclipse.swt.widgets.Composite;
  28 import org.eclipse.swt.widgets.Control;
  29 import org.eclipse.swt.widgets.Menu;
  30 import org.eclipse.ui.IMemento;
  31 import org.eclipse.ui.IWorkbenchActionConstants;
  32 import org.eclipse.ui.IWorkbenchPart;
  33
  34 import eu.etaxonomy.cdm.model.common.CdmBase;
  35 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  36 import eu.etaxonomy.taxeditor.model.ContextListenerAdapter;
  37 import eu.etaxonomy.taxeditor.model.IContextListener;
  38 import eu.etaxonomy.taxeditor.store.CdmStore;
  39
  40 /**
  41  * @author n.hoffmann
  42  * @created Feb 16, 2011
  43  * @version 1.0
  44  */
  45 public abstract class AbstractAccountViewPart<T> extends AbstractCdmViewPart {
  46
  47         private class ContextListener extends ContextListenerAdapter{
  48
  49                 /* (non-Javadoc)
  50                  * @see eu.etaxonomy.taxeditor.model.IContextListener#contextStop(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
  51                  */
  52                 @Override
  53                 public void contextStop(IMemento memento, IProgressMonitor monitor) {
  54                         monitor.subTask("Shutting down User View");
  55                         viewer.setInput(null);
  56                 }
  57
  58                 /* (non-Javadoc)
  59                  * @see eu.etaxonomy.taxeditor.model.IContextListener#contextStart(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
  60                  */
  61                 @Override
  62                 public void contextStart(IMemento memento, IProgressMonitor monitor) {
  63                         monitor.subTask("Initiating User View");
  64                         viewer.setInput(getInput());
  65                 }
  66         }
  67
  68         protected TableViewer viewer;
  69
  70         private IContextListener contextListener;
  71
  72         /* (non-Javadoc)
  73          * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
  74          */
  75         /** {@inheritDoc} */
  76         @Override
  77         public void createPartControl(Composite parent) {
  78                 contextListener = new ContextListener();
  79                 CdmStore.getContextManager().addContextListener(contextListener);
  80
  81                 FillLayout fillLayout = new FillLayout();
  82                 fillLayout.marginWidth = 0;
  83                 fillLayout.marginHeight = 0;
  84                 fillLayout.type = SWT.VERTICAL;
  85                 parent.setLayout(fillLayout);
  86
  87                 viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL
  88                                 | SWT.V_SCROLL | SWT.FULL_SELECTION);
  89
  90                 getSite().setSelectionProvider(viewer);
  91
  92                 createColumns(viewer);
  93
  94                 MenuManager menuMgr = new MenuManager();
  95                 menuMgr.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
  96                 getSite().registerContextMenu(menuMgr, viewer);
  97
  98                 Control control = viewer.getControl();
  99                 Menu menu = menuMgr.createContextMenu(control);
 100                 control.setMenu(menu);
 101
 102                 viewer.setContentProvider(new ArrayContentProvider());
 103                 viewer.setLabelProvider(getLabelProvider());
 104
 105                 if(CdmStore.isActive()){
 106                         viewer.setInput(getInput());
 107                 }
 108
 109
 110                 this.addListenerObject(new FocusAdapter() {
 111                         /* (non-Javadoc)
 112                          * @see org.eclipse.swt.events.FocusAdapter#focusGained(org.eclipse.swt.events.FocusEvent)
 113                          */
 114                         @Override
 115                         public void focusGained(FocusEvent e) {
 116                                 super.focusGained(e);
 117                                 getConversationHolder().bind();
 118                                 viewer.getControl().setFocus();
 119                         }
 120                 });
 121         }
 122
 123         /**
 124          * @return
 125          */
 126         protected abstract IBaseLabelProvider getLabelProvider();
 127
 128         /**
 129          * @param viewer2
 130          */
 131         protected abstract void createColumns(TableViewer viewer);
 132
 133         /**
 134          * @return the contextListener
 135          */
 136         public IContextListener getContextListener() {
 137                 if(contextListener == null){
 138                         throw new IllegalStateException("Context listener was not initialized");
 139                 }
 140                 return contextListener;
 141         }
 142
 143         /* (non-Javadoc)
 144          * @see eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update(eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)
 145          */
 146         @Override
 147         public void update(CdmDataChangeMap changeEvents) {
 148                 // data changes can only be generate here at the moment
 149         }
 150
 151         /* (non-Javadoc)
 152          * @see eu.etaxonomy.taxeditor.operation.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
 153          */
 154         @Override
 155         public boolean postOperation(CdmBase objectAffectedByOperation) {
 156                 if(CdmStore.isActive()){
 157                         viewer.setInput(getInput());
 158                         viewer.refresh();
 159                 }
 160
 161                 return true;
 162         }
 163
 164         /**
 165          * @return
 166          */
 167         public abstract Collection getInput();
 168
 169         /* (non-Javadoc)
 170          * @see org.eclipse.ui.part.WorkbenchPart#dispose()
 171          */
 172         @Override
 173         public void dispose() {
 174                 CdmStore.getContextManager().removeContextListener(getContextListener());
 175                 super.dispose();
 176         }
 177
 178
 179         @Override
 180         public void selectionChanged(IWorkbenchPart part, ISelection selection) {
 181                 // TODO Auto-generated method stub
 182
 183         }
 184
 185         @Override
 186         public Viewer getViewer() {
 187                 return viewer;
 188         }
 189
 190         @Override
 191         public void createViewer(Composite parent) {
 192                 // TODO Auto-generated method stub
 193
 194         }
 195
 196         @Override
 197         public void changed(Object object) {
 198                 // do nothing
 199         }
 200
 201
 202         @Override
 203         public boolean onComplete() {
 204                 return true;
 205         }
 206
 207 }