eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/datasource/CdmDataSourceViewPart.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.datasource;
  12
  13 import java.util.ArrayList;
  14 import java.util.List;
  15
  16 import org.apache.log4j.Logger;
  17 import org.eclipse.core.commands.Command;
  18 import org.eclipse.core.commands.ExecutionException;
  19 import org.eclipse.core.commands.NotEnabledException;
  20 import org.eclipse.core.commands.NotHandledException;
  21 import org.eclipse.core.commands.common.NotDefinedException;
  22 import org.eclipse.core.runtime.IProgressMonitor;
  23 import org.eclipse.core.runtime.IStatus;
  24 import org.eclipse.core.runtime.Status;
  25 import org.eclipse.core.runtime.jobs.Job;
  26 import org.eclipse.jface.action.GroupMarker;
  27 import org.eclipse.jface.action.MenuManager;
  28 import org.eclipse.jface.viewers.DoubleClickEvent;
  29 import org.eclipse.jface.viewers.IDoubleClickListener;
  30 import org.eclipse.jface.viewers.StructuredSelection;
  31 import org.eclipse.jface.viewers.StructuredViewer;
  32 import org.eclipse.jface.viewers.TableViewer;
  33 import org.eclipse.jface.viewers.TableViewerColumn;
  34 import org.eclipse.swt.SWT;
  35 import org.eclipse.swt.events.SelectionAdapter;
  36 import org.eclipse.swt.events.SelectionEvent;
  37 import org.eclipse.swt.layout.FillLayout;
  38 import org.eclipse.swt.widgets.Composite;
  39 import org.eclipse.swt.widgets.Control;
  40 import org.eclipse.swt.widgets.Display;
  41 import org.eclipse.swt.widgets.Menu;
  42 import org.eclipse.swt.widgets.Table;
  43 import org.eclipse.swt.widgets.TableColumn;
  44 import org.eclipse.ui.IMemento;
  45 import org.eclipse.ui.IWorkbenchActionConstants;
  46 import org.eclipse.ui.commands.ICommandService;
  47 import org.eclipse.ui.handlers.IHandlerService;
  48 import org.eclipse.ui.part.ViewPart;
  49 import org.eclipse.ui.progress.IWorkbenchSiteProgressService;
  50 import org.springframework.security.core.GrantedAuthority;
  51
  52 import eu.etaxonomy.cdm.config.ICdmSource;
  53 import eu.etaxonomy.cdm.database.ICdmDataSource;
  54 import eu.etaxonomy.taxeditor.datasource.CdmDataSourceRepository;
  55 import eu.etaxonomy.taxeditor.model.ContextListenerAdapter;
  56 import eu.etaxonomy.taxeditor.model.IContextListener;
  57 import eu.etaxonomy.taxeditor.store.CdmStore;
  58 import eu.etaxonomy.taxeditor.store.StoreUtil;
  59
  60 /**
  61  * <p>CdmDataSourceViewPart class.</p>
  62  *
  63  * @author n.hoffmann
  64  * @created 14.04.2009
  65  * @version 1.0
  66  */
  67 public class CdmDataSourceViewPart extends ViewPart{
  68
  69     private static final Logger logger = Logger.getLogger(CdmDataSourceViewPart.class);
  70
  71         private class ContextListener extends ContextListenerAdapter{
  72                 /* (non-Javadoc)
  73                  * @see eu.etaxonomy.taxeditor.model.IContextListener#contextAboutToStop(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
  74                  */
  75                 @Override
  76                 public void contextAboutToStop(IMemento memento, IProgressMonitor monitor) {
  77                         monitor.subTask("Refreshing Datasource View");
  78                         viewer.refresh();
  79                 }
  80
  81                 /* (non-Javadoc)
  82                  * @see eu.etaxonomy.taxeditor.model.IContextListener#contextStop(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
  83                  */
  84                 @Override
  85                 public void contextStop(IMemento memento, IProgressMonitor monitor) {
  86                         monitor.subTask("Refreshing Datasource View");
  87                         viewer.refresh();
  88                 }
  89
  90                 /* (non-Javadoc)
  91                  * @see eu.etaxonomy.taxeditor.model.IContextListener#contextStart(org.eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
  92                  */
  93                 @Override
  94                 public void contextStart(IMemento memento, IProgressMonitor monitor) {
  95                         monitor.subTask("Refreshing Datasource View");
  96                         viewer.refresh();
  97                 }
  98         }
  99
 100         private class DataSourceJob extends Job{
 101
 102                 private List<ICdmSource> cdmSources;
 103
 104                 /**
 105                  * @param name
 106                  */
 107                 public DataSourceJob(String title, List<ICdmSource> cdmSources) {
 108                         super(title);
 109                         this.cdmSources = cdmSources;
 110                 }
 111
 112                 /* (non-Javadoc)
 113                  * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
 114                  */
 115                 @Override
 116                 public IStatus run(final IProgressMonitor monitor) {
 117                         try{
 118                                 logger.debug("Begin of eclipse core runtime Job to Retrieve datasources");
 119                                 monitor.beginTask("Retrieving datasources", cdmSources.size() + 1);
 120
 121                                 final List<CdmMetaDataAwareDataSourceContainer> containers = new ArrayList<CdmMetaDataAwareDataSourceContainer>();
 122
 123                                 for(ICdmSource cdmSource : cdmSources){
 124                                         containers.add(new CdmMetaDataAwareDataSourceContainer(cdmSource));
 125                                 }
 126
 127                                 Display.getDefault().asyncExec(new Runnable() {
 128
 129                                         @Override
 130                                         public void run() {
 131                                                 viewer.setInput(containers);
 132                                         }
 133                                 });
 134                                 monitor.worked(1);
 135
 136                                 for(final CdmMetaDataAwareDataSourceContainer container : containers){
 137
 138
 139                                         if(logger.isDebugEnabled()) logger.debug("  #" + container.hashCode() + " : next DataSourceContainer");
 140                                         container.getMetaDataFromDataSource();
 141                                         if(logger.isDebugEnabled()) logger.debug("  #" + container.hashCode() + " : metadata retrieved, creating new runnable ...");
 142                                         Display.getDefault().asyncExec(new Runnable() {
 143
 144                                                 @Override
 145                                                 public void run() {
 146                                                         if(logger.isDebugEnabled()) logger.debug("  #" + container.hashCode() + " starting sub thread to update ...");
 147                                                         viewer.update(container, null);
 148                                                         if(logger.isDebugEnabled()) logger.debug("  #" + container.hashCode() + " end of sub thread to update ...");
 149                                                 }
 150                                         });
 151                                         if(logger.isDebugEnabled()) logger.debug("  #" + container.hashCode() + " done");
 152                                         monitor.worked(1);
 153                                 }
 154
 155                         }finally{
 156                                 monitor.done();
 157                         }
 158                         return Status.OK_STATUS;
 159                 }
 160         }
 161
 162         /** Constant <code>ID="eu.etaxonomy.taxeditor.store.datasource"{trunked}</code> */
 163         public static String ID = "eu.etaxonomy.taxeditor.view.datasource";
 164
 165         private TableViewer viewer;
 166
 167         private String partNameCache;
 168
 169         private IWorkbenchSiteProgressService service;
 170
 171         private IContextListener contextListener;
 172
 173         private CdmDataSourceViewerComparator comparator;
 174
 175         /**
 176          * <p>Constructor for CdmDataSourceViewPart.</p>
 177          */
 178         public CdmDataSourceViewPart(){
 179         }
 180
 181         /** {@inheritDoc} */
 182         @Override
 183         public void createPartControl(Composite parent) {
 184                 service = (IWorkbenchSiteProgressService) getSite().getAdapter(IWorkbenchSiteProgressService.class);
 185                 contextListener = new ContextListener();
 186                 CdmStore.getContextManager().addContextListener(contextListener);
 187
 188                 // Create top composite
 189                 FillLayout fillLayout = new FillLayout();
 190                 fillLayout.marginWidth = 0;
 191                 fillLayout.marginHeight = 0;
 192                 fillLayout.type = SWT.VERTICAL;
 193                 parent.setLayout(fillLayout);
 194
 195                 viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL
 196                                                                                                 | SWT.V_SCROLL | SWT.FULL_SELECTION);
 197                 getSite().setSelectionProvider(viewer);
 198
 199                 createColumns(viewer);
 200
 201                 viewer.setContentProvider(new CdmDataSourceContentProvider());
 202                 viewer.setLabelProvider(new CdmDataSourceLabelProvider());
 203                 comparator = new CdmDataSourceViewerComparator();
 204                 viewer.setComparator(comparator);
 205
 206
 207                 // register context menu
 208                 MenuManager menuMgr = new MenuManager();
 209                 menuMgr.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
 210                 getSite().registerContextMenu(menuMgr, viewer);
 211
 212                 Control control = viewer.getControl();
 213                 Menu menu = menuMgr.createContextMenu(control);
 214                 control.setMenu(menu);
 215
 216                 // connect on doubleclick
 217                 viewer.addDoubleClickListener(new IDoubleClickListener() {
 218
 219                         public void doubleClick(DoubleClickEvent event) {
 220                                 if (event.getSelection() instanceof StructuredSelection) {
 221
 222                                         Object element = ((StructuredSelection) event
 223                                                         .getSelection()).getFirstElement();
 224                                         if (element instanceof CdmMetaDataAwareDataSourceContainer) {
 225                                                 String commandId = "eu.etaxonomy.taxeditor.store.datasource.change";
 226
 227                                                 ICommandService commandService = (ICommandService)getSite().getService(ICommandService.class);
 228
 229                                                 Command command = commandService.getCommand(commandId);
 230                                                 if(command.isEnabled()) {
 231
 232                                                         IHandlerService handlerService = (IHandlerService) StoreUtil.getService(IHandlerService.class);
 233
 234                                                         try {
 235                                                                 handlerService.executeCommand(commandId, null);
 236                                                         } catch (ExecutionException e) {
 237                                                                 StoreUtil.error(this.getClass(), e);
 238                                                         } catch (NotDefinedException e) {
 239                                                                 StoreUtil.error(this.getClass(), e);
 240                                                         } catch (NotEnabledException e) {
 241                                                                 StoreUtil.error(this.getClass(), e);
 242                                                         } catch (NotHandledException e) {
 243                                                                 StoreUtil.error(this.getClass(), e);
 244                                                         }
 245                                                 }
 246                                         }
 247                                 }
 248                         }
 249                 });
 250
 251                 refresh();
 252         }
 253
 254
 255         // This will create the columns for the table
 256         private void createColumns(TableViewer viewer) {
 257                 Table table = viewer.getTable();
 258                 String[] titles = {"Connected", "Name", "Server", "Up", "Type", "Database", "Nomenclatural Code", "Created", "CDM Version", "Compatible", "Notes"};
 259                 int[] bounds = { 24, 200, 100, 50 , 80, 120, 50, 100, 100, 50, 300};
 260
 261                 for (int i = 0; i < titles.length; i++) {
 262                         TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
 263                         column.getColumn().setText(titles[i]);
 264                         column.getColumn().setWidth(bounds[i]);
 265                         column.getColumn().setResizable(true);
 266                         column.getColumn().setMoveable(true);
 267                         column.getColumn().addSelectionListener(getSelectionAdapter(column.getColumn(), i));
 268                         if(i == 1){
 269                                 table.setSortColumn(column.getColumn());
 270                         }
 271                 }
 272                 table.setHeaderVisible(true);
 273                 table.setLinesVisible(true);
 274                 table.setSortDirection(SWT.UP);
 275
 276         }
 277
 278         /**
 279          * <p>refresh</p>
 280          */
 281         public void refresh(){
 282                 getService().schedule(new DataSourceJob("Loading datasources", CdmDataSourceRepository.getAll()), Job.LONG);
 283         }
 284
 285         /** {@inheritDoc} */
 286         @Override
 287         public void dispose() {
 288                 CdmStore.getContextManager().removeContextListener(contextListener);
 289                 super.dispose();
 290         }
 291
 292         /** {@inheritDoc} */
 293         @Override
 294         public void setFocus() {
 295                 viewer.getControl().setFocus();
 296         }
 297
 298
 299         /* (non-Javadoc)
 300          * @see org.eclipse.ui.part.WorkbenchPart#showBusy(boolean)
 301          */
 302         /** {@inheritDoc} */
 303         @Override
 304         public void showBusy(boolean busy) {
 305                 super.showBusy(busy);
 306 //              viewer.getTable().setEnabled(!busy);
 307                 if(busy){
 308                         partNameCache = getPartName();
 309                         setPartName("Loading datasources");
 310                 }else{
 311                         if(partNameCache != null){
 312                                 setPartName(partNameCache);
 313                         }
 314                 }
 315         }
 316
 317         /**
 318          * <p>Getter for the field <code>viewer</code>.</p>
 319          *
 320          * @return a {@link org.eclipse.jface.viewers.StructuredViewer} object.
 321          */
 322         public StructuredViewer getViewer() {
 323                 return viewer;
 324         }
 325
 326         /**
 327          * <p>Getter for the field <code>service</code>.</p>
 328          *
 329          * @return the service
 330          */
 331         public IWorkbenchSiteProgressService getService() {
 332                 return service;
 333         }
 334
 335         private SelectionAdapter getSelectionAdapter(final TableColumn column,
 336                         final int index) {
 337                 SelectionAdapter selectionAdapter = new SelectionAdapter() {
 338                         @Override
 339                         public void widgetSelected(SelectionEvent e) {
 340                                 comparator.setColumn(index);
 341                                 int dir = viewer.getTable().getSortDirection();
 342                                 if (viewer.getTable().getSortColumn() == column) {
 343                                         dir = dir == SWT.UP ? SWT.DOWN : SWT.UP;
 344                                 } else {
 345                                         dir = SWT.DOWN;
 346                                 }
 347                                 viewer.getTable().setSortDirection(dir);
 348                                 viewer.getTable().setSortColumn(column);
 349                                 viewer.refresh();
 350                         }
 351                 };
 352                 return selectionAdapter;
 353         }
 354
 355 }