Пример #1
0
 // ////////////////////////////////////
 // DbRefreshListener SUPPORT
 //
 // Overridden
 public void refreshAfterDbUpdate(DbUpdateEvent evt) throws DbException {
   if (evt.metaField == DbObject.fComponents) { // add, remove, or move to
     // another parent
     if (evt.neighbor instanceof DbGraphicalObjectI) // optimization:
       // discard
       // immediately the
       // graphical objects
       return;
     if (evt.op == Db.REMOVE_FROM_RELN) {
       // DbObject removed or with a new parent: remove the node from
       // its old parent if loaded.
       DynamicNode node = getDynamicNode(evt.neighbor, Db.OLD_VALUE, false);
       if (node != null) removeNode(node);
     } else if (evt.op == Db.ADD_TO_RELN) {
       // DbObject added or with a new parent: if its new parent has
       // its chidren loaded,
       // add a node for the new child.
       getDynamicNode(evt.neighbor, false);
     } else { // Db.REINSERT_IN_RELN
       DynamicNode node = getDynamicNode(evt.neighbor, false);
       if ((node != null && !childrenAreSorted(evt.dbo))
           || (node != null && !node.getGroupParams().sorted)) {
         DynamicNode parentNode = (DynamicNode) node.getParent();
         updateInsertIndexInChildrenOfNode(parentNode);
         removeNodeFromParent(node);
         int index = getInsertionIndex(evt.dbo, evt.neighbor, parentNode, node);
         insertNodeInto(node, parentNode, index);
       }
     }
   }
   // name refresh
   else if (evt.metaField == DbSemanticalObject.fName || tooltipsFields.contains(evt.metaField)) {
     updateNode(evt.dbo);
   }
 }
Пример #2
0
 public Explorer() {
   super(new DynamicNode(ROOT));
   PropertiesSet preferences = PropertiesManager.getPreferencePropertiesSet();
   if (preferences != null) {
     preferences.addPrefixPropertyChangeListener(
         DisplayToolTipsOptionGroup.class,
         DisplayToolTipsOptionGroup.TOOLTIPS_FIELD_VISIBILITY_PREFIX,
         new PreferencesListener());
     Db.addDbListener(dbslistener);
     tooltipsFields.addAll(Arrays.asList(DisplayToolTipsOptionGroup.getAvailableMetaFields()));
   }
 }
Пример #3
0
  protected final void loadChildren(DynamicNode node) throws DbException {
    if (node.hasLoaded() || node.isLeaf()) return;
    node.setHasLoaded();
    Object userObject = node.getUserObject();
    if (userObject == ROOT) return;
    SrVector children = new SrVector(10);
    boolean isSorted = true;
    DbObject dbParent = null;
    if (userObject == DB_RAM) {
      Db[] dbs = Db.getDbs();
      for (int i = 0; i < dbs.length; i++) {
        if (dbs[i] instanceof DbRAM) insertProjects(children, dbs[i]);
      }
    } else if (userObject instanceof Db) {
      insertProjects(children, (Db) userObject);
    } else {
      dbParent = (DbObject) userObject;
      dbParent.getDb().beginTrans(Db.READ_TRANS);
      insertComponents(children, dbParent);
      isSorted = childrenAreSorted(dbParent);
      dbParent.getDb().commitTrans();
    }

    if (isSorted) {
      children.sort(getComparator(dbParent));
    }

    ArrayList groupNodeList = new ArrayList();
    DynamicNode groupNode = null;
    Enumeration enumeration = children.elements();
    while (enumeration.hasMoreElements()) {
      DynamicNode childNode = (DynamicNode) enumeration.nextElement();
      GroupParams group = childNode.getGroupParams();
      if (group.name == null) {
        node.add(childNode);
      } else {
        if (groupNode == null) {
          groupNode = createGroupNode(group);
          node.add(groupNode);
          groupNodeList.add(groupNode);
        } else if (!groupNode.toString().equals(group.name)) {
          boolean groupFound = false;
          for (int i = 0; i < groupNodeList.size(); i++) {
            groupNode = (DynamicNode) groupNodeList.get(i);
            if (groupNode.toString().equals(group.name)) {
              groupFound = true;
              break;
            }
          }
          if (!groupFound) {
            groupNode = createGroupNode(group);
            node.add(groupNode);
            groupNodeList.add(groupNode);
          }
        }
        groupNode.add(childNode);
      }
    }
    groupNodeList.clear();
  }