plugins/org.argeo.slc.client.ui.dist/src/main/java/org/argeo/slc/client/ui/dist/editors/DistWkspSearchPage.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.client.ui.dist.editors;
  17
  18 import java.util.ArrayList;
  19 import java.util.HashMap;
  20 import java.util.List;
  21 import java.util.Map;
  22
  23 import javax.jcr.Node;
  24 import javax.jcr.NodeIterator;
  25 import javax.jcr.Property;
  26 import javax.jcr.PropertyType;
  27 import javax.jcr.RepositoryException;
  28 import javax.jcr.Session;
  29 import javax.jcr.nodetype.NodeType;
  30 import javax.jcr.query.QueryManager;
  31 import javax.jcr.query.QueryResult;
  32 import javax.jcr.query.qom.Constraint;
  33 import javax.jcr.query.qom.DynamicOperand;
  34 import javax.jcr.query.qom.Ordering;
  35 import javax.jcr.query.qom.QueryObjectModel;
  36 import javax.jcr.query.qom.QueryObjectModelFactory;
  37 import javax.jcr.query.qom.Selector;
  38 import javax.jcr.query.qom.StaticOperand;
  39
  40 import org.argeo.ArgeoMonitor;
  41 import org.argeo.eclipse.ui.EclipseArgeoMonitor;
  42 import org.argeo.eclipse.ui.utils.CommandUtils;
  43 import org.argeo.jcr.JcrUtils;
  44 import org.argeo.slc.SlcException;
  45 import org.argeo.slc.client.ui.dist.DistConstants;
  46 import org.argeo.slc.client.ui.dist.DistImages;
  47 import org.argeo.slc.client.ui.dist.DistPlugin;
  48 import org.argeo.slc.client.ui.dist.PrivilegedJob;
  49 import org.argeo.slc.client.ui.dist.commands.DeleteArtifacts;
  50 import org.argeo.slc.client.ui.dist.commands.OpenModuleEditor;
  51 import org.argeo.slc.client.ui.dist.utils.DistNodeViewerComparator;
  52 import org.argeo.slc.jcr.SlcNames;
  53 import org.argeo.slc.jcr.SlcTypes;
  54 import org.eclipse.core.runtime.IProgressMonitor;
  55 import org.eclipse.core.runtime.IStatus;
  56 import org.eclipse.core.runtime.Status;
  57 import org.eclipse.jface.action.IMenuListener;
  58 import org.eclipse.jface.action.IMenuManager;
  59 import org.eclipse.jface.action.MenuManager;
  60 import org.eclipse.jface.viewers.ColumnLabelProvider;
  61 import org.eclipse.jface.viewers.DoubleClickEvent;
  62 import org.eclipse.jface.viewers.IDoubleClickListener;
  63 import org.eclipse.jface.viewers.IStructuredContentProvider;
  64 import org.eclipse.jface.viewers.IStructuredSelection;
  65 import org.eclipse.jface.viewers.TableViewer;
  66 import org.eclipse.jface.viewers.TableViewerColumn;
  67 import org.eclipse.jface.viewers.Viewer;
  68 import org.eclipse.swt.SWT;
  69 import org.eclipse.swt.events.ModifyEvent;
  70 import org.eclipse.swt.events.ModifyListener;
  71 import org.eclipse.swt.events.SelectionAdapter;
  72 import org.eclipse.swt.events.SelectionEvent;
  73 import org.eclipse.swt.events.SelectionListener;
  74 import org.eclipse.swt.layout.FillLayout;
  75 import org.eclipse.swt.layout.GridData;
  76 import org.eclipse.swt.layout.GridLayout;
  77 import org.eclipse.swt.widgets.Button;
  78 import org.eclipse.swt.widgets.Composite;
  79 import org.eclipse.swt.widgets.Display;
  80 import org.eclipse.swt.widgets.Label;
  81 import org.eclipse.swt.widgets.Menu;
  82 import org.eclipse.swt.widgets.Table;
  83 import org.eclipse.swt.widgets.Text;
  84 import org.eclipse.ui.IWorkbenchWindow;
  85 import org.eclipse.ui.forms.IManagedForm;
  86 import org.eclipse.ui.forms.editor.FormPage;
  87 import org.eclipse.ui.forms.widgets.FormToolkit;
  88 import org.eclipse.ui.forms.widgets.ScrolledForm;
  89 import org.eclipse.ui.forms.widgets.Section;
  90
  91 /** Show all bundles contained in a given workspace as filter-able table */
  92 public class DistWkspSearchPage extends FormPage implements SlcNames {
  93         // final private static Log log = LogFactory
  94         // .getLog(DistributionOverviewPage.class);
  95
  96         final static String PAGE_ID = "distributionOverviewPage";
  97
  98         // Business Objects
  99         private Session session;
 100
 101         // This page widgets
 102         private DistWorkspaceEditor formEditor;
 103         private FormToolkit tk;
 104
 105         private DistNodeViewerComparator comparator;
 106         private TableViewer viewer;
 107
 108         // private Composite header;
 109         private Text artifactTxt;
 110         private final static String FILTER_HELP_MSG = "Filter criterion, separated by a space";
 111
 112         public DistWkspSearchPage(DistWorkspaceEditor formEditor, String title,
 113                         Session session) {
 114                 super(formEditor, PAGE_ID, title);
 115                 this.formEditor = formEditor;
 116                 this.session = session;
 117         }
 118
 119         private void asynchronousRefresh() {
 120                 RefreshJob job = new RefreshJob(artifactTxt.getText(), viewer,
 121                                 getSite().getShell().getDisplay());
 122                 job.setUser(true);
 123                 job.schedule();
 124         }
 125
 126         private class RefreshJob extends PrivilegedJob {
 127                 private TableViewer viewer;
 128                 private String filter;
 129                 private Display display;
 130
 131                 public RefreshJob(String filter, TableViewer viewer, Display display) {
 132                         super("Get bundle list");
 133                         this.filter = filter;
 134                         this.viewer = viewer;
 135                         this.display = display;
 136                 }
 137
 138                 @Override
 139                 protected IStatus doRun(IProgressMonitor progressMonitor) {
 140                         try {
 141                                 ArgeoMonitor monitor = new EclipseArgeoMonitor(progressMonitor);
 142                                 monitor.beginTask("Getting bundle list", -1);
 143                                 final List<Node> result = JcrUtils
 144                                                 .nodeIteratorToList(listBundleArtifacts(session, filter));
 145
 146                                 display.asyncExec(new Runnable() {
 147                                         public void run() {
 148                                                 viewer.setInput(result);
 149                                         }
 150                                 });
 151                         } catch (Exception e) {
 152                                 return new Status(IStatus.ERROR, DistPlugin.ID,
 153                                                 "Cannot get bundle list", e);
 154                         }
 155                         return Status.OK_STATUS;
 156                 }
 157         }
 158
 159         @Override
 160         protected void createFormContent(IManagedForm managedForm) {
 161                 ScrolledForm form = managedForm.getForm();
 162                 tk = managedForm.getToolkit();
 163
 164                 // Main Layout
 165                 GridLayout layout = new GridLayout(1, false);
 166                 Composite body = form.getBody();
 167                 body.setLayout(layout);
 168
 169                 // Meta info about current workspace
 170                 Composite header = tk.createComposite(body);
 171                 header.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
 172                 createHeaderPart(form, header);
 173
 174                 Composite modules = tk.createComposite(body);
 175                 modules.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 176                 populateModuleSection(modules);
 177         }
 178
 179         private void createHeaderPart(ScrolledForm form, Composite parent) {
 180                 GridLayout layout = new GridLayout(4, false);
 181                 // layout.marginWidth = layout.marginHeight = layout.verticalSpacing =
 182                 // 0;
 183                 // layout.horizontalSpacing = 2;
 184                 parent.setLayout(layout);
 185
 186                 String wkspName = ((DistWkspEditorInput) getEditorInput())
 187                                 .getWorkspaceName();
 188                 wkspName = wkspName.replaceAll("-", " ");
 189                 form.setText(wkspName);
 190
 191                 String repoAlias = "";
 192                 Node repoNode = ((DistWorkspaceEditor) getEditor()).getRepoNode();
 193                 if (repoNode != null)
 194                         try {
 195                                 repoAlias = repoNode.isNodeType(NodeType.MIX_TITLE) ? repoNode
 196                                                 .getProperty(Property.JCR_TITLE).getString() : repoNode
 197                                                 .getName();
 198                         } catch (RepositoryException e1) {
 199                                 throw new SlcException("Unable to get repository alias ", e1);
 200                         }
 201                 else
 202                         repoAlias = " - ";
 203
 204                 createLT(parent, "Repository alias", repoAlias);
 205                 createLT(parent, "URI",
 206                                 ((DistWkspEditorInput) getEditorInput()).getUri());
 207         }
 208
 209         private void populateModuleSection(Composite parent) {
 210                 GridLayout layout = new GridLayout(1, false);
 211                 layout.marginWidth = layout.horizontalSpacing = layout.horizontalSpacing = layout.marginHeight = 0;
 212                 parent.setLayout(layout);
 213
 214                 Section section = tk.createSection(parent, Section.TITLE_BAR
 215                                 | Section.DESCRIPTION);
 216                 section.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 217
 218                 section.setText("Artifacts");
 219                 section.setDescription("Search among all artifacts that are referenced in the current workspace");
 220                 section.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 221
 222                 Composite body = tk.createComposite(section);
 223                 layout = new GridLayout(1, false);
 224                 layout.marginWidth = layout.horizontalSpacing = layout.horizontalSpacing = layout.marginHeight = 0;
 225                 body.setLayout(new GridLayout());
 226
 227                 Composite filter = tk.createComposite(body);
 228                 filter.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
 229                 createFilterPart(filter);
 230
 231                 // the table
 232                 Composite tableCmp = tk.createComposite(body);
 233                 tableCmp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 234                 createTableViewer(tableCmp);
 235
 236                 section.setClient(body);
 237         }
 238
 239         /** Build repository request */
 240         private NodeIterator listBundleArtifacts(Session session, String filter)
 241                         throws RepositoryException {
 242                 QueryManager queryManager = session.getWorkspace().getQueryManager();
 243                 QueryObjectModelFactory factory = queryManager.getQOMFactory();
 244
 245                 final String bundleArtifactsSelector = "bundleArtifacts";
 246                 Selector source = factory.selector(SlcTypes.SLC_BUNDLE_ARTIFACT,
 247                                 bundleArtifactsSelector);
 248
 249                 // Create a dynamic operand for each property on which we want to filter
 250                 DynamicOperand symbNameDO = factory.propertyValue(
 251                                 source.getSelectorName(), SlcNames.SLC_SYMBOLIC_NAME);
 252                 DynamicOperand versionDO = factory.propertyValue(
 253                                 source.getSelectorName(), SlcNames.SLC_BUNDLE_VERSION);
 254                 DynamicOperand nameDO = factory.propertyValue(source.getSelectorName(),
 255                                 DistConstants.SLC_BUNDLE_NAME);
 256
 257                 // Default Constraint: no source artifacts
 258                 Constraint defaultC = factory.not(factory.comparison(
 259                                 symbNameDO,
 260                                 QueryObjectModelFactory.JCR_OPERATOR_LIKE,
 261                                 factory.literal(session.getValueFactory().createValue(
 262                                                 "%.source"))));
 263
 264                 // Build constraints based the textArea content
 265                 if (filter != null && !"".equals(filter.trim())) {
 266                         // Parse the String
 267                         String[] strs = filter.trim().split(" ");
 268                         for (String token : strs) {
 269                                 token = token.replace('*', '%');
 270                                 StaticOperand so = factory.literal(session.getValueFactory()
 271                                                 .createValue("%" + token + "%"));
 272
 273                                 Constraint currC = factory.comparison(symbNameDO,
 274                                                 QueryObjectModelFactory.JCR_OPERATOR_LIKE, so);
 275                                 currC = factory.or(currC, factory.comparison(versionDO,
 276                                                 QueryObjectModelFactory.JCR_OPERATOR_LIKE, so));
 277                                 currC = factory.or(currC, factory.comparison(nameDO,
 278                                                 QueryObjectModelFactory.JCR_OPERATOR_LIKE, so));
 279
 280                                 defaultC = factory.and(defaultC, currC);
 281                         }
 282                 }
 283
 284                 Ordering order = factory.descending(factory.propertyValue(
 285                                 bundleArtifactsSelector, SlcNames.SLC_BUNDLE_VERSION));
 286                 Ordering order2 = factory.ascending(factory.propertyValue(
 287                                 bundleArtifactsSelector, SlcNames.SLC_SYMBOLIC_NAME));
 288                 Ordering[] orderings = { order, order2 };
 289
 290                 QueryObjectModel query = factory.createQuery(source, defaultC,
 291                                 orderings, null);
 292
 293                 QueryResult result = query.execute();
 294                 return result.getNodes();
 295
 296         }
 297
 298         private Text createLT(Composite parent, String labelValue, String textValue) {
 299                 Label label = new Label(parent, SWT.RIGHT);
 300                 label.setText(labelValue);
 301                 // label.setFont(EclipseUiUtils.getBoldFont(parent));
 302                 label.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));
 303
 304                 // Add a trailing space to workaround a display glitch in RAP 1.3
 305                 Text text = new Text(parent, SWT.LEFT); // | SWT.BORDER
 306                 text.setText(textValue + " ");
 307                 text.setEditable(false);
 308                 return text;
 309         }
 310
 311         private void createFilterPart(Composite parent) {
 312                 GridLayout layout = new GridLayout(2, false);
 313                 layout.marginWidth = layout.marginHeight = layout.verticalSpacing = 0;
 314                 layout.horizontalSpacing = 5;
 315                 parent.setLayout(layout);
 316
 317                 // Text Area to filter
 318                 artifactTxt = tk.createText(parent, "", SWT.BORDER | SWT.SINGLE
 319                                 | SWT.SEARCH | SWT.CANCEL);
 320                 artifactTxt.setMessage(FILTER_HELP_MSG);
 321                 GridData gd = new GridData(SWT.FILL, SWT.FILL, false, false);
 322                 gd.grabExcessHorizontalSpace = true;
 323                 artifactTxt.setLayoutData(gd);
 324                 artifactTxt.addModifyListener(new ModifyListener() {
 325                         public void modifyText(ModifyEvent event) {
 326                                 if ("".equals(artifactTxt.getText().trim()))
 327                                         asynchronousRefresh();
 328                                 else
 329                                         refreshFilteredList();
 330                         }
 331                 });
 332
 333                 Button resetBtn = tk.createButton(parent, null, SWT.PUSH);
 334                 resetBtn.setImage(DistImages.IMG_REPO_READONLY);
 335                 resetBtn.addSelectionListener(new SelectionListener() {
 336
 337                         public void widgetSelected(SelectionEvent e) {
 338                                 resetFilter();
 339                         }
 340
 341                         public void widgetDefaultSelected(SelectionEvent e) {
 342                         }
 343                 });
 344         }
 345
 346         private void resetFilter() {
 347                 artifactTxt.setText("");
 348                 artifactTxt.setMessage(FILTER_HELP_MSG);
 349         }
 350
 351         private void refreshFilteredList() {
 352                 List<Node> nodes;
 353                 try {
 354                         nodes = JcrUtils.nodeIteratorToList(listBundleArtifacts(session,
 355                                         artifactTxt.getText()));
 356                         viewer.setInput(nodes);
 357                 } catch (RepositoryException e) {
 358                         throw new SlcException("Unable to list bundles", e);
 359                 }
 360         }
 361
 362         private void createTableViewer(Composite parent) {
 363                 parent.setLayout(new FillLayout());
 364                 // helpers to enable sorting by column
 365                 List<String> propertiesList = new ArrayList<String>();
 366                 List<Integer> propertyTypesList = new ArrayList<Integer>();
 367
 368                 // Define the TableViewer
 369                 viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL
 370                                 | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
 371
 372                 // Name
 373                 TableViewerColumn col = new TableViewerColumn(viewer, SWT.NONE);
 374                 col.getColumn().setWidth(300);
 375                 col.getColumn().setText("Name");
 376                 col.setLabelProvider(new ColumnLabelProvider() {
 377                         @Override
 378                         public String getText(Object element) {
 379                                 return JcrUtils.get((Node) element,
 380                                                 DistConstants.SLC_BUNDLE_NAME);
 381                         }
 382                 });
 383                 col.getColumn().addSelectionListener(getSelectionAdapter(0));
 384                 propertiesList.add(DistConstants.SLC_BUNDLE_NAME);
 385                 propertyTypesList.add(PropertyType.STRING);
 386
 387                 // Symbolic name
 388                 col = new TableViewerColumn(viewer, SWT.V_SCROLL);
 389                 col.getColumn().setWidth(300);
 390                 col.getColumn().setText("Symbolic Name");
 391                 col.setLabelProvider(new ColumnLabelProvider() {
 392                         @Override
 393                         public String getText(Object element) {
 394                                 return JcrUtils.get((Node) element, SLC_SYMBOLIC_NAME);
 395                         }
 396                 });
 397                 col.getColumn().addSelectionListener(getSelectionAdapter(1));
 398                 propertiesList.add(SLC_SYMBOLIC_NAME);
 399                 propertyTypesList.add(PropertyType.STRING);
 400
 401                 // Version
 402                 col = new TableViewerColumn(viewer, SWT.NONE);
 403                 col.getColumn().setWidth(130);
 404                 col.getColumn().setText("Version");
 405                 col.setLabelProvider(new ColumnLabelProvider() {
 406                         @Override
 407                         public String getText(Object element) {
 408                                 return JcrUtils.get((Node) element, SLC_BUNDLE_VERSION);
 409                         }
 410                 });
 411                 col.getColumn().addSelectionListener(getSelectionAdapter(2));
 412                 propertiesList.add(SLC_BUNDLE_VERSION);
 413                 propertyTypesList.add(DistNodeViewerComparator.VERSION_TYPE);
 414
 415                 final Table table = viewer.getTable();
 416                 table.setHeaderVisible(true);
 417                 table.setLinesVisible(true);
 418
 419                 viewer.setContentProvider(new DistributionsContentProvider());
 420                 getSite().setSelectionProvider(viewer);
 421
 422                 comparator = new DistNodeViewerComparator(2,
 423                                 DistNodeViewerComparator.ASCENDING, propertiesList,
 424                                 propertyTypesList);
 425                 viewer.setComparator(comparator);
 426
 427                 // Context Menu
 428                 MenuManager menuManager = new MenuManager();
 429                 Menu menu = menuManager.createContextMenu(viewer.getTable());
 430                 menuManager.addMenuListener(new IMenuListener() {
 431                         public void menuAboutToShow(IMenuManager manager) {
 432                                 contextMenuAboutToShow(manager);
 433                         }
 434                 });
 435                 viewer.getTable().setMenu(menu);
 436                 getSite().registerContextMenu(menuManager, viewer);
 437
 438                 // Double click
 439                 viewer.addDoubleClickListener(new DoubleClickListener());
 440         }
 441
 442         @Override
 443         public void setFocus() {
 444                 viewer.getTable().setFocus();
 445         }
 446
 447         /** force refresh of the artifact list */
 448         public void refresh() {
 449                 asynchronousRefresh();
 450         }
 451
 452         /** Programmatically configure the context menu */
 453         protected void contextMenuAboutToShow(IMenuManager menuManager) {
 454                 IWorkbenchWindow window = DistPlugin.getDefault().getWorkbench()
 455                                 .getActiveWorkbenchWindow();
 456                 // Build conditions
 457                 // Delete selected artifacts
 458                 CommandUtils.refreshCommand(menuManager, window, DeleteArtifacts.ID,
 459                                 DeleteArtifacts.DEFAULT_LABEL, DeleteArtifacts.DEFAULT_ICON,
 460                                 true);
 461         }
 462
 463         private SelectionAdapter getSelectionAdapter(final int index) {
 464                 SelectionAdapter selectionAdapter = new SelectionAdapter() {
 465                         @Override
 466                         public void widgetSelected(SelectionEvent e) {
 467                                 Table table = viewer.getTable();
 468                                 comparator.setColumn(index);
 469                                 int dir = table.getSortDirection();
 470                                 if (table.getSortColumn() == table.getColumn(index)) {
 471                                         dir = dir == SWT.UP ? SWT.DOWN : SWT.UP;
 472                                 } else {
 473                                         dir = SWT.DOWN;
 474                                 }
 475                                 table.setSortDirection(dir);
 476                                 table.setSortColumn(table.getColumn(index));
 477                                 viewer.refresh();
 478                         }
 479                 };
 480                 return selectionAdapter;
 481         }
 482
 483         /* LOCAL CLASSES */
 484         private class DistributionsContentProvider implements
 485                         IStructuredContentProvider {
 486                 // we keep a cache of the Nodes in the content provider to be able to
 487                 // manage long request
 488                 private List<Node> nodes;
 489
 490                 public void dispose() {
 491                 }
 492
 493                 // We expect a list of nodes as a new input
 494                 @SuppressWarnings("unchecked")
 495                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 496                         nodes = (List<Node>) newInput;
 497                 }
 498
 499                 public Object[] getElements(Object arg0) {
 500                         return nodes.toArray();
 501                 }
 502         }
 503
 504         private class DoubleClickListener implements IDoubleClickListener {
 505
 506                 public void doubleClick(DoubleClickEvent event) {
 507                         Object obj = ((IStructuredSelection) event.getSelection())
 508                                         .getFirstElement();
 509                         if (obj instanceof Node) {
 510                                 Node node = (Node) obj;
 511                                 try {
 512                                         if (node.isNodeType(SlcTypes.SLC_ARTIFACT)) {
 513                                                 DistWkspEditorInput dwip = (DistWkspEditorInput) formEditor
 514                                                                 .getEditorInput();
 515                                                 Map<String, String> params = new HashMap<String, String>();
 516                                                 params.put(OpenModuleEditor.PARAM_REPO_NODE_PATH,
 517                                                                 dwip.getRepoNodePath());
 518                                                 params.put(OpenModuleEditor.PARAM_REPO_URI,
 519                                                                 dwip.getUri());
 520                                                 params.put(OpenModuleEditor.PARAM_WORKSPACE_NAME,
 521                                                                 dwip.getWorkspaceName());
 522                                                 String path = node.getPath();
 523                                                 params.put(OpenModuleEditor.PARAM_MODULE_PATH, path);
 524                                                 CommandUtils.callCommand(OpenModuleEditor.ID, params);
 525                                         }
 526                                 } catch (RepositoryException re) {
 527                                         throw new SlcException("Cannot get path for node " + node
 528                                                         + " while setting parameters for "
 529                                                         + "command OpenModuleEditor", re);
 530                                 }
 531
 532                         }
 533                 }
 534         }
 535
 536         /**
 537          * UI Trick to put scroll bar on the table rather than on the scrollform
 538          */
 539         private void refreshLayout() {
 540                 // // Compute desired table size
 541                 // int maxH = getManagedForm().getForm().getSize().y;
 542                 // int maxW = getManagedForm().getForm().getParent().getSize().x;
 543                 // // maxH = maxH - header.getSize().y;
 544                 // final Table table = viewer.getTable();
 545                 // GridData gd = new GridData(SWT.LEFT, SWT.TOP, true, true);
 546                 //
 547                 // // when table height is less than 200 px, we let the scroll bar on
 548                 // the
 549                 // // scrollForm
 550                 // // FIXME substract some spare space. There is room here for
 551                 // optimization
 552                 // gd.heightHint = Math.max(maxH - 35, 200);
 553                 // gd.widthHint = Math.max(maxW - 35, 200);
 554                 //
 555                 // table.setLayoutData(gd);
 556                 // getManagedForm().reflow(true);
 557         }
 558
 559         @Override
 560         public void setActive(boolean active) {
 561                 super.setActive(active);
 562                 if (active) {
 563                         refreshLayout();
 564                 }
 565         }
 566 }