ui/SuiteApp.java

   1 package org.argeo.app.ui;
   2
   3 import static org.argeo.api.cms.CmsView.CMS_VIEW_UID_PROPERTY;
   4
   5 import java.util.Collections;
   6 import java.util.HashMap;
   7 import java.util.HashSet;
   8 import java.util.List;
   9 import java.util.Locale;
  10 import java.util.Map;
  11 import java.util.Objects;
  12 import java.util.Set;
  13 import java.util.TreeMap;
  14 import java.util.TreeSet;
  15
  16 import javax.jcr.Node;
  17 import javax.jcr.Repository;
  18 import javax.jcr.RepositoryException;
  19 import javax.jcr.Session;
  20 import javax.jcr.nodetype.NodeType;
  21 import javax.naming.InvalidNameException;
  22 import javax.naming.ldap.LdapName;
  23
  24 import org.argeo.api.cms.CmsSession;
  25 import org.argeo.api.cms.CmsTheme;
  26 import org.argeo.api.cms.CmsUi;
  27 import org.argeo.api.cms.CmsView;
  28 import org.argeo.app.api.EntityConstants;
  29 import org.argeo.app.api.EntityNames;
  30 import org.argeo.app.api.EntityType;
  31 import org.argeo.app.api.RankedObject;
  32 import org.argeo.app.core.SuiteUtils;
  33 import org.argeo.api.cms.CmsLog;
  34 import org.argeo.cms.AbstractCmsApp;
  35 import org.argeo.cms.CmsUserManager;
  36 import org.argeo.cms.LocaleUtils;
  37 import org.argeo.cms.Localized;
  38 import org.argeo.cms.jcr.CmsJcrUtils;
  39 import org.argeo.cms.swt.CmsSwtUtils;
  40 import org.argeo.cms.swt.dialogs.CmsFeedback;
  41 import org.argeo.cms.ui.CmsUiProvider;
  42 import org.argeo.eclipse.ui.specific.UiContext;
  43 import org.argeo.jcr.Jcr;
  44 import org.argeo.jcr.JcrException;
  45 import org.argeo.util.LangUtils;
  46 import org.eclipse.swt.SWT;
  47 import org.eclipse.swt.widgets.Composite;
  48 import org.osgi.framework.Constants;
  49 import org.osgi.service.event.Event;
  50 import org.osgi.service.event.EventHandler;
  51 import org.osgi.service.useradmin.User;
  52
  53 /** The Argeo Suite App. */
  54 public class SuiteApp extends AbstractCmsApp implements EventHandler {
  55         private final static CmsLog log = CmsLog.getLog(SuiteApp.class);
  56
  57         public final static String PUBLIC_BASE_PATH_PROPERTY = "publicBasePath";
  58         public final static String DEFAULT_UI_NAME_PROPERTY = "defaultUiName";
  59         public final static String DEFAULT_THEME_ID_PROPERTY = "defaultThemeId";
  60         public final static String DEFAULT_LAYER_PROPERTY = "defaultLayer";
  61         private final static String LOGIN = "login";
  62         private final static String HOME_STATE = "~";
  63
  64         private String publicBasePath = null;
  65
  66         private String pidPrefix;
  67         private String headerPid;
  68         private String footerPid;
  69         private String leadPanePid;
  70         private String adminLeadPanePid;
  71         private String loginScreenPid;
  72
  73         private String defaultUiName = "app";
  74         private String adminUiName = "admin";
  75
  76         // FIXME such default names make refactoring more dangerous
  77         @Deprecated
  78         private String defaultLayerPid = "argeo.suite.ui.dashboardLayer";
  79         @Deprecated
  80         private String defaultThemeId = "org.argeo.app.theme.default";
  81
  82         private Map<String, RankedObject<CmsUiProvider>> uiProvidersByPid = Collections.synchronizedMap(new HashMap<>());
  83         private Map<String, RankedObject<CmsUiProvider>> uiProvidersByType = Collections.synchronizedMap(new HashMap<>());
  84         private Map<String, RankedObject<SuiteLayer>> layersByPid = Collections.synchronizedSortedMap(new TreeMap<>());
  85         private Map<String, RankedObject<SuiteLayer>> layersByType = Collections.synchronizedSortedMap(new TreeMap<>());
  86
  87         private CmsUserManager cmsUserManager;
  88
  89         // TODO make more optimal or via CmsSession/CmsView
  90         private Map<String, SuiteUi> managedUis = new HashMap<>();
  91
  92         private Repository repository;
  93
  94         public void init(Map<String, Object> properties) {
  95                 if (log.isDebugEnabled())
  96                         log.info("Argeo Suite App started");
  97
  98                 if (properties.containsKey(DEFAULT_UI_NAME_PROPERTY))
  99                         defaultUiName = LangUtils.get(properties, DEFAULT_UI_NAME_PROPERTY);
 100                 if (properties.containsKey(DEFAULT_THEME_ID_PROPERTY))
 101                         defaultThemeId = LangUtils.get(properties, DEFAULT_THEME_ID_PROPERTY);
 102                 if (properties.containsKey(DEFAULT_LAYER_PROPERTY))
 103                         defaultLayerPid = LangUtils.get(properties, DEFAULT_LAYER_PROPERTY);
 104                 publicBasePath = LangUtils.get(properties, PUBLIC_BASE_PATH_PROPERTY);
 105
 106                 if (properties.containsKey(Constants.SERVICE_PID)) {
 107                         String servicePid = properties.get(Constants.SERVICE_PID).toString();
 108                         if (servicePid.endsWith(".app")) {
 109                                 pidPrefix = servicePid.substring(0, servicePid.length() - "app".length());
 110                         }
 111                 }
 112
 113                 if (pidPrefix == null)
 114                         throw new IllegalArgumentException("PID prefix must be set.");
 115
 116                 headerPid = pidPrefix + "header";
 117                 footerPid = pidPrefix + "footer";
 118                 leadPanePid = pidPrefix + "leadPane";
 119                 adminLeadPanePid = pidPrefix + "adminLeadPane";
 120                 loginScreenPid = pidPrefix + "loginScreen";
 121         }
 122
 123         public void destroy(Map<String, Object> properties) {
 124                 for (SuiteUi ui : managedUis.values())
 125                         if (!ui.isDisposed()) {
 126                                 ui.getDisplay().syncExec(() -> ui.dispose());
 127                         }
 128                 if (log.isDebugEnabled())
 129                         log.info("Argeo Suite App stopped");
 130
 131         }
 132
 133         @Override
 134         public Set<String> getUiNames() {
 135                 HashSet<String> uiNames = new HashSet<>();
 136                 uiNames.add(defaultUiName);
 137                 uiNames.add(adminUiName);
 138                 return uiNames;
 139         }
 140
 141         @Override
 142         public CmsUi initUi(Object parent) {
 143                 Composite uiParent = (Composite) parent;
 144                 String uiName = uiParent.getData(UI_NAME_PROPERTY) != null ? uiParent.getData(UI_NAME_PROPERTY).toString()
 145                                 : null;
 146                 CmsView cmsView = CmsSwtUtils.getCmsView(uiParent);
 147                 if (cmsView == null)
 148                         throw new IllegalStateException("No CMS view is registered.");
 149                 CmsTheme theme = getTheme(uiName);
 150                 if (theme != null)
 151                         CmsSwtUtils.registerCmsTheme(uiParent.getShell(), theme);
 152                 SuiteUi argeoSuiteUi = new SuiteUi(uiParent, SWT.INHERIT_DEFAULT);
 153                 String uid = cmsView.getUid();
 154                 managedUis.put(uid, argeoSuiteUi);
 155                 argeoSuiteUi.addDisposeListener((e) -> {
 156                         managedUis.remove(uid);
 157                         if (log.isDebugEnabled())
 158                                 log.debug("Suite UI " + uid + " has been disposed.");
 159                 });
 160                 return argeoSuiteUi;
 161         }
 162
 163         @Override
 164         public String getThemeId(String uiName) {
 165                 String themeId = System.getProperty("org.argeo.app.theme.default");
 166                 if (themeId != null)
 167                         return themeId;
 168                 return defaultThemeId;
 169         }
 170
 171         @Override
 172         public void refreshUi(CmsUi cmsUi, String state) {
 173                 try {
 174                         Node context = null;
 175                         SuiteUi ui = (SuiteUi) cmsUi;
 176
 177                         String uiName = Objects.toString(ui.getParent().getData(UI_NAME_PROPERTY), null);
 178                         if (uiName == null)
 179                                 throw new IllegalStateException("UI name should not be null");
 180                         CmsView cmsView = CmsSwtUtils.getCmsView(ui);
 181                         CmsUiProvider headerUiProvider = findUiProvider(headerPid);
 182                         CmsUiProvider footerUiProvider = findUiProvider(footerPid);
 183                         CmsUiProvider leadPaneUiProvider;
 184                         if (adminUiName.equals(uiName)) {
 185                                 leadPaneUiProvider = findUiProvider(adminLeadPanePid);
 186                         } else {
 187                                 leadPaneUiProvider = findUiProvider(leadPanePid);
 188                         }
 189
 190                         Localized appTitle = null;
 191                         if (headerUiProvider instanceof DefaultHeader) {
 192                                 appTitle = ((DefaultHeader) headerUiProvider).getTitle();
 193                         }
 194                         ui.setTitle(appTitle);
 195
 196                         if (cmsView.isAnonymous() && publicBasePath == null) {// internal app, must login
 197                                 ui.logout();
 198                                 if (headerUiProvider != null)
 199                                         refreshPart(headerUiProvider, ui.getHeader(), context);
 200                                 ui.refreshBelowHeader(false);
 201                                 refreshPart(findUiProvider(loginScreenPid), ui.getBelowHeader(), context);
 202                                 if (footerUiProvider != null)
 203                                         refreshPart(footerUiProvider, ui.getFooter(), context);
 204                                 ui.layout(true, true);
 205                                 setState(ui, LOGIN);
 206                         } else {
 207                                 if (LOGIN.equals(state))
 208                                         state = null;
 209                                 CmsSession cmsSession = cmsView.getCmsSession();
 210                                 if (ui.getUserDir() == null) {
 211                                         // FIXME NPE on CMSSession when logging in from anonymous
 212                                         if (cmsSession == null || cmsView.isAnonymous()) {
 213                                                 assert publicBasePath != null;
 214                                                 ui.initSessions(getRepository(), publicBasePath);
 215                                         } else {
 216                                                 Session adminSession = null;
 217                                                 try {
 218                                                         adminSession = CmsJcrUtils.openDataAdminSession(getRepository(), null);
 219                                                         Node userDir = SuiteUtils.getOrCreateCmsSessionNode(adminSession, cmsSession);
 220                                                         ui.initSessions(getRepository(), userDir.getPath());
 221                                                 } finally {
 222                                                         Jcr.logout(adminSession);
 223                                                 }
 224                                         }
 225                                 }
 226                                 initLocale(cmsSession);
 227                                 context = stateToNode(ui, state);
 228                                 if (context == null)
 229                                         context = ui.getUserDir();
 230
 231                                 if (headerUiProvider != null)
 232                                         refreshPart(headerUiProvider, ui.getHeader(), context);
 233                                 ui.refreshBelowHeader(true);
 234                                 for (String key : layersByPid.keySet()) {
 235                                         SuiteLayer layer = layersByPid.get(key).get();
 236                                         ui.addLayer(key, layer);
 237                                 }
 238
 239                                 if (leadPaneUiProvider != null)
 240                                         refreshPart(leadPaneUiProvider, ui.getLeadPane(), context);
 241                                 if (footerUiProvider != null)
 242                                         refreshPart(footerUiProvider, ui.getFooter(), context);
 243                                 ui.layout(true, true);
 244                                 setState(ui, state != null ? state : defaultLayerPid);
 245                         }
 246                 } catch (Exception e) {
 247                         CmsFeedback.show("Unexpected exception", e);
 248                 }
 249         }
 250
 251         private void initLocale(CmsSession cmsSession) {
 252                 if (cmsSession == null)
 253                         return;
 254                 Locale locale = cmsSession.getLocale();
 255                 UiContext.setLocale(locale);
 256                 LocaleUtils.setThreadLocale(locale);
 257
 258         }
 259
 260         private void refreshPart(CmsUiProvider uiProvider, Composite part, Node context) {
 261                 CmsSwtUtils.clear(part);
 262                 uiProvider.createUiPart(part, context);
 263         }
 264
 265         private CmsUiProvider findUiProvider(String pid) {
 266                 if (!uiProvidersByPid.containsKey(pid))
 267                         return null;
 268                 return uiProvidersByPid.get(pid).get();
 269         }
 270
 271         private SuiteLayer findLayer(String pid) {
 272                 if (!layersByPid.containsKey(pid))
 273                         return null;
 274                 return layersByPid.get(pid).get();
 275         }
 276
 277         private <T> T findByType(Map<String, RankedObject<T>> byType, Node context) {
 278                 if (context == null)
 279                         throw new IllegalArgumentException("A node should be provided");
 280                 try {
 281                         // mixins
 282                         Set<String> types = new TreeSet<>();
 283                         for (NodeType mixinType : context.getMixinNodeTypes()) {
 284                                 String mixinTypeName = mixinType.getName();
 285                                 if (byType.containsKey(mixinTypeName)) {
 286                                         types.add(mixinTypeName);
 287                                 }
 288                                 for (NodeType superType : mixinType.getDeclaredSupertypes()) {
 289                                         if (byType.containsKey(superType.getName())) {
 290                                                 types.add(superType.getName());
 291                                         }
 292                                 }
 293                         }
 294                         // primary node type
 295                         NodeType primaryType = context.getPrimaryNodeType();
 296                         String primaryTypeName = primaryType.getName();
 297                         if (byType.containsKey(primaryTypeName)) {
 298                                 types.add(primaryTypeName);
 299                         }
 300                         for (NodeType superType : primaryType.getDeclaredSupertypes()) {
 301                                 if (byType.containsKey(superType.getName())) {
 302                                         types.add(superType.getName());
 303                                 }
 304                         }
 305                         // entity type
 306                         if (context.isNodeType(EntityType.entity.get())) {
 307                                 if (context.hasProperty(EntityNames.ENTITY_TYPE)) {
 308                                         String entityTypeName = context.getProperty(EntityNames.ENTITY_TYPE).getString();
 309                                         if (byType.containsKey(entityTypeName)) {
 310                                                 types.add(entityTypeName);
 311                                         }
 312                                 }
 313                         }
 314
 315 //                      if (context.getPath().equals("/")) {// root node
 316 //                              types.add("nt:folder");
 317 //                      }
 318                         if (CmsJcrUtils.isUserHome(context) && byType.containsKey("nt:folder")) {// home node
 319                                 types.add("nt:folder");
 320                         }
 321
 322                         if (types.size() == 0)
 323                                 throw new IllegalArgumentException("No type found for " + context + " (" + listTypes(context) + ")");
 324                         String type = types.iterator().next();
 325                         if (!byType.containsKey(type))
 326                                 throw new IllegalArgumentException("No component found for " + context + " with type " + type);
 327                         return byType.get(type).get();
 328                 } catch (RepositoryException e) {
 329                         throw new IllegalStateException(e);
 330                 }
 331         }
 332
 333         private static String listTypes(Node context) {
 334                 try {
 335                         StringBuilder sb = new StringBuilder();
 336                         sb.append(context.getPrimaryNodeType().getName());
 337                         for (NodeType superType : context.getPrimaryNodeType().getDeclaredSupertypes()) {
 338                                 sb.append(' ');
 339                                 sb.append(superType.getName());
 340                         }
 341
 342                         for (NodeType nodeType : context.getMixinNodeTypes()) {
 343                                 sb.append(' ');
 344                                 sb.append(nodeType.getName());
 345                                 if (nodeType.getName().equals(EntityType.local.get()))
 346                                         sb.append('/').append(context.getProperty(EntityNames.ENTITY_TYPE).getString());
 347                                 for (NodeType superType : nodeType.getDeclaredSupertypes()) {
 348                                         sb.append(' ');
 349                                         sb.append(superType.getName());
 350                                 }
 351                         }
 352                         return sb.toString();
 353                 } catch (RepositoryException e) {
 354                         throw new JcrException(e);
 355                 }
 356         }
 357
 358         @Override
 359         public void setState(CmsUi cmsUi, String state) {
 360                 if (state == null)
 361                         return;
 362                 if (!state.startsWith("/")) {
 363                         if (cmsUi instanceof SuiteUi) {
 364                                 SuiteUi ui = (SuiteUi) cmsUi;
 365                                 if (LOGIN.equals(state)) {
 366                                         String appTitle = "";
 367                                         if (ui.getTitle() != null)
 368                                                 appTitle = ui.getTitle().lead();
 369                                         ui.getCmsView().stateChanged(state, appTitle);
 370                                         return;
 371                                 }
 372                                 Map<String, Object> properties = new HashMap<>();
 373                                 String layerId = HOME_STATE.equals(state) ? defaultLayerPid : state;
 374                                 properties.put(SuiteEvent.LAYER, layerId);
 375                                 properties.put(SuiteEvent.NODE_PATH, HOME_STATE);
 376                                 ui.getCmsView().sendEvent(SuiteEvent.switchLayer.topic(), properties);
 377                         }
 378                         return;
 379                 }
 380                 SuiteUi suiteUi = (SuiteUi) cmsUi;
 381                 Node node = stateToNode(suiteUi, state);
 382                 if (node == null) {
 383                         suiteUi.getCmsView().navigateTo(HOME_STATE);
 384                 } else {
 385                         suiteUi.getCmsView().sendEvent(SuiteEvent.switchLayer.topic(), SuiteEvent.eventProperties(node));
 386                         suiteUi.getCmsView().sendEvent(SuiteEvent.refreshPart.topic(), SuiteEvent.eventProperties(node));
 387                 }
 388         }
 389
 390         // TODO move it to an internal package?
 391         static String nodeToState(Node node) {
 392                 return '/' + Jcr.getWorkspaceName(node) + Jcr.getPath(node);
 393         }
 394
 395         private Node stateToNode(SuiteUi suiteUi, String state) {
 396                 if (suiteUi == null)
 397                         return null;
 398                 if (state == null || !state.startsWith("/"))
 399                         return null;
 400
 401                 String path = state.substring(1);
 402                 String workspace;
 403                 if (path.equals("")) {
 404                         workspace = null;
 405                         path = "/";
 406                 } else {
 407                         int index = path.indexOf('/');
 408                         if (index == 0) {
 409                                 log.error("Cannot interpret " + state);
 410 //                              cmsView.navigateTo("~");
 411                                 return null;
 412                         } else if (index > 0) {
 413                                 workspace = path.substring(0, index);
 414                                 path = path.substring(index);
 415                         } else {// index<0, assuming root node
 416                                 workspace = path;
 417                                 path = "/";
 418                         }
 419                 }
 420                 Session session = suiteUi.getSession(workspace);
 421                 if (session == null)
 422                         return null;
 423                 Node node = Jcr.getNode(session, path);
 424                 return node;
 425         }
 426
 427         /*
 428          * Events management
 429          */
 430
 431         @Override
 432         public void handleEvent(Event event) {
 433
 434                 // Specific UI related events
 435                 SuiteUi ui = getRelatedUi(event);
 436                 if (ui == null)
 437                         return;
 438                 try {
 439                         String appTitle = "";
 440                         if (ui.getTitle() != null)
 441                                 appTitle = ui.getTitle().lead() + " - ";
 442
 443 //                      String currentLayerId = ui.getCurrentLayerId();
 444 //                      SuiteLayer currentLayer = currentLayerId != null ? layersByPid.get(currentLayerId).get() : null;
 445                         if (SuiteUiUtils.isTopic(event, SuiteEvent.refreshPart)) {
 446                                 Node node = getNode(ui, event);
 447                                 if (node == null)
 448                                         return;
 449                                 CmsUiProvider uiProvider = findByType(uiProvidersByType, node);
 450                                 SuiteLayer layer = findByType(layersByType, node);
 451                                 ui.switchToLayer(layer, node);
 452                                 ui.getCmsView().runAs(() -> layer.view(uiProvider, ui.getCurrentWorkArea(), node));
 453                                 ui.getCmsView().stateChanged(nodeToState(node), appTitle + Jcr.getTitle(node));
 454                         } else if (SuiteUiUtils.isTopic(event, SuiteEvent.openNewPart)) {
 455                                 Node node = getNode(ui, event);
 456                                 if (node == null)
 457                                         return;
 458                                 CmsUiProvider uiProvider = findByType(uiProvidersByType, node);
 459                                 SuiteLayer layer = findByType(layersByType, node);
 460                                 ui.switchToLayer(layer, node);
 461                                 ui.getCmsView().runAs(() -> layer.open(uiProvider, ui.getCurrentWorkArea(), node));
 462                                 ui.getCmsView().stateChanged(nodeToState(node), appTitle + Jcr.getTitle(node));
 463                         } else if (SuiteUiUtils.isTopic(event, SuiteEvent.switchLayer)) {
 464                                 String layerId = get(event, SuiteEvent.LAYER);
 465                                 if (layerId != null) {
 466 //                                      ui.switchToLayer(layerId, ui.getUserDir());
 467                                         SuiteLayer suiteLayer = findLayer(layerId);
 468                                         if (suiteLayer == null)
 469                                                 throw new IllegalArgumentException("No layer '" + layerId + "' available.");
 470                                         Localized layerTitle = suiteLayer.getTitle();
 471                                         // FIXME make sure we don't rebuild the work area twice
 472                                         Composite workArea = ui.getCmsView().doAs(() -> ui.switchToLayer(layerId, ui.getUserDir()));
 473                                         String title = null;
 474                                         if (layerTitle != null)
 475                                                 title = layerTitle.lead();
 476                                         Node nodeFromState = getNode(ui, event);
 477                                         if (nodeFromState != null && nodeFromState.getPath().equals(ui.getUserDir().getPath())) {
 478                                                 // default layer view is forced
 479                                                 String state = defaultLayerPid.equals(layerId) ? "~" : layerId;
 480                                                 ui.getCmsView().stateChanged(state, appTitle + title);
 481                                                 suiteLayer.view(null, workArea, nodeFromState);
 482                                         } else {
 483                                                 Node layerCurrentContext = suiteLayer.getCurrentContext(workArea);
 484                                                 if (layerCurrentContext != null) {
 485                                                         // layer was already showing a context so we set the state to it
 486                                                         ui.getCmsView().stateChanged(nodeToState(layerCurrentContext),
 487                                                                         appTitle + Jcr.getTitle(layerCurrentContext));
 488                                                 } else {
 489                                                         // no context was shown
 490                                                         ui.getCmsView().stateChanged(layerId, appTitle + title);
 491                                                 }
 492                                         }
 493                                 } else {
 494                                         Node node = getNode(ui, event);
 495                                         if (node != null) {
 496                                                 SuiteLayer layer = findByType(layersByType, node);
 497                                                 ui.getCmsView().runAs(() -> ui.switchToLayer(layer, node));
 498                                         }
 499                                 }
 500                         }
 501                 } catch (Exception e) {
 502                         log.error("Cannot handle event " + event, e);
 503 //                      CmsView.getCmsView(ui).exception(e);
 504                 }
 505
 506         }
 507
 508         private Node getNode(SuiteUi ui, Event event) {
 509                 String nodePath = get(event, SuiteEvent.NODE_PATH);
 510                 if (nodePath != null && nodePath.equals(HOME_STATE))
 511                         return ui.getUserDir();
 512                 String workspaceName = get(event, SuiteEvent.WORKSPACE);
 513                 Session session = ui.getSession(workspaceName);
 514                 Node node;
 515                 if (nodePath == null) {
 516                         // look for a user
 517                         String username = get(event, SuiteEvent.USERNAME);
 518                         if (username == null)
 519                                 return null;
 520                         User user = cmsUserManager.getUser(username);
 521                         if (user == null)
 522                                 return null;
 523                         LdapName userDn;
 524                         try {
 525                                 userDn = new LdapName(user.getName());
 526                         } catch (InvalidNameException e) {
 527                                 throw new IllegalArgumentException("Badly formatted username", e);
 528                         }
 529                         String userNodePath = SuiteUtils.getUserNodePath(userDn);
 530                         if (Jcr.itemExists(session, userNodePath))
 531                                 node = Jcr.getNode(session, userNodePath);
 532                         else {
 533                                 Session adminSession = null;
 534                                 try {
 535                                         adminSession = CmsJcrUtils.openDataAdminSession(getRepository(), workspaceName);
 536                                         SuiteUtils.getOrCreateUserNode(adminSession, userDn);
 537                                 } finally {
 538                                         Jcr.logout(adminSession);
 539                                 }
 540                                 node = Jcr.getNode(session, userNodePath);
 541                         }
 542                 } else {
 543                         node = Jcr.getNode(session, nodePath);
 544                 }
 545                 return node;
 546         }
 547
 548         private SuiteUi getRelatedUi(Event event) {
 549                 return managedUis.get(get(event, CMS_VIEW_UID_PROPERTY));
 550         }
 551
 552         public static String get(Event event, String key) {
 553                 Object value = event.getProperty(key);
 554                 if (value == null)
 555                         return null;
 556 //                      throw new IllegalArgumentException("Property " + key + " must be set");
 557                 return value.toString();
 558
 559         }
 560
 561         /*
 562          * Dependency injection.
 563          */
 564
 565         public void addUiProvider(CmsUiProvider uiProvider, Map<String, Object> properties) {
 566                 if (properties.containsKey(Constants.SERVICE_PID)) {
 567                         String pid = (String) properties.get(Constants.SERVICE_PID);
 568                         RankedObject.putIfHigherRank(uiProvidersByPid, pid, uiProvider, properties);
 569                 }
 570                 if (properties.containsKey(EntityConstants.TYPE)) {
 571                         List<String> types = LangUtils.toStringList(properties.get(EntityConstants.TYPE));
 572                         for (String type : types)
 573                                 RankedObject.putIfHigherRank(uiProvidersByType, type, uiProvider, properties);
 574                 }
 575         }
 576
 577         public void removeUiProvider(CmsUiProvider uiProvider, Map<String, Object> properties) {
 578                 if (properties.containsKey(Constants.SERVICE_PID)) {
 579                         String pid = (String) properties.get(Constants.SERVICE_PID);
 580                         if (uiProvidersByPid.containsKey(pid)) {
 581                                 if (uiProvidersByPid.get(pid).equals(new RankedObject<CmsUiProvider>(uiProvider, properties))) {
 582                                         uiProvidersByPid.remove(pid);
 583                                 }
 584                         }
 585                 }
 586                 if (properties.containsKey(EntityConstants.TYPE)) {
 587                         List<String> types = LangUtils.toStringList(properties.get(EntityConstants.TYPE));
 588                         for (String type : types) {
 589                                 if (uiProvidersByType.containsKey(type)) {
 590                                         if (uiProvidersByType.get(type).equals(new RankedObject<CmsUiProvider>(uiProvider, properties))) {
 591                                                 uiProvidersByType.remove(type);
 592                                         }
 593                                 }
 594                         }
 595                 }
 596         }
 597
 598         public void addLayer(SuiteLayer layer, Map<String, Object> properties) {
 599                 if (properties.containsKey(Constants.SERVICE_PID)) {
 600                         String pid = (String) properties.get(Constants.SERVICE_PID);
 601                         RankedObject.putIfHigherRank(layersByPid, pid, layer, properties);
 602                 }
 603                 if (properties.containsKey(EntityConstants.TYPE)) {
 604                         List<String> types = LangUtils.toStringList(properties.get(EntityConstants.TYPE));
 605                         for (String type : types)
 606                                 RankedObject.putIfHigherRank(layersByType, type, layer, properties);
 607                 }
 608         }
 609
 610         public void removeLayer(SuiteLayer layer, Map<String, Object> properties) {
 611                 if (properties.containsKey(Constants.SERVICE_PID)) {
 612                         String pid = (String) properties.get(Constants.SERVICE_PID);
 613                         if (layersByPid.containsKey(pid)) {
 614                                 if (layersByPid.get(pid).equals(new RankedObject<SuiteLayer>(layer, properties))) {
 615                                         layersByPid.remove(pid);
 616                                 }
 617                         }
 618                 }
 619                 if (properties.containsKey(EntityConstants.TYPE)) {
 620                         List<String> types = LangUtils.toStringList(properties.get(EntityConstants.TYPE));
 621                         for (String type : types) {
 622                                 if (layersByType.containsKey(type)) {
 623                                         if (layersByType.get(type).equals(new RankedObject<CmsUiProvider>(layer, properties))) {
 624                                                 layersByType.remove(type);
 625                                         }
 626                                 }
 627                         }
 628                 }
 629         }
 630
 631         public void setCmsUserManager(CmsUserManager cmsUserManager) {
 632                 this.cmsUserManager = cmsUserManager;
 633         }
 634
 635         public Repository getRepository() {
 636                 return repository;
 637         }
 638
 639         public void setRepository(Repository repository) {
 640                 this.repository = repository;
 641         }
 642
 643 }