private void insertProjects(SrVector children, Db db) throws DbException {
db.beginTrans(Db.READ_TRANS);
DbObject parent = db.getRoot();
DbEnumeration dbEnum = parent.getComponents().elements(DbProject.metaClass);
while (dbEnum.hasMoreElements())
children.addElement(createPrimaryNode(parent, dbEnum.nextElement()));
dbEnum.close();
db.commitTrans();
}
// Overridden
protected void insertComponents(SrVector children, DbObject dbParent) throws DbException {
SemanticalModel model = ApplicationContext.getSemanticalModel();
DbEnumeration dbEnum = dbParent.getComponents().elements();
while (dbEnum.hasMoreElements()) {
DbObject dbo = dbEnum.nextElement();
boolean isVisible = model.isVisibleOnScreen(dbParent, dbo, Explorer.class);
if (isVisible) {
children.addElement(createPrimaryNode(dbParent, dbo));
} // end if
} // end while
dbEnum.close();
} // end insertComponents()
protected final void refresh(DynamicNode parentNode) throws DbException {
if (ApplicationContext.getFocusManager().isGuiLocked()) return;
if (parentNode == null) return;
if (!parentNode.hasLoaded() || parentNode.isLeaf()) {
if (parentNode.getUserObject() instanceof DbObject)
updateNode((DbObject) parentNode.getUserObject());
return;
}
Object userObject = parentNode.getUserObject();
if (userObject == ROOT) {
int count = getChildCount(parentNode);
for (int i = 0; i < count; i++) {
DynamicNode node = (DynamicNode) getChild(parentNode, i);
userObject = node.getUserObject();
if (userObject == DB_RAM) refresh(node);
else {
if (((Db) userObject).isValid()) {
((Db) userObject).beginTrans(Db.READ_TRANS);
refresh(node);
((Db) userObject).commitTrans();
} else {
removeNode(node);
}
}
}
return;
}
if (userObject == DB_RAM) {
int count = getChildCount(parentNode);
for (int i = count - 1; i >= 0; i--) {
DynamicNode node = (DynamicNode) getChild(parentNode, i);
Db db = ((DbObject) node.getUserObject()).getDb();
if (!db.isValid()) {
removeNode(node);
continue;
}
db.beginTrans(Db.READ_TRANS);
refresh(node);
// refresh the display text for the projects - we do not want to
// apply a full update
// using update(dbo) because we want to preserve the expanded
// state for projects.
node.setDisplayText(getDisplayText(null, (DbObject) node.getUserObject()));
db.commitTrans();
}
// check for missing Db
Db[] dbs = Db.getDbs();
for (int i = 0; i < dbs.length; i++) {
if (!dbs[i].isValid() || !(dbs[i] instanceof DbRAM)) continue;
DynamicNode dbNode = getDynamicNode(parentNode, dbs[i], 0);
if (dbNode != null) continue;
dbs[i].beginTrans(Db.READ_TRANS);
DbEnumeration dbEnum = dbs[i].getRoot().getComponents().elements(DbProject.metaClass);
if (dbEnum.hasMoreElements()) {
getDynamicNode(dbEnum.nextElement(), false);
}
dbEnum.close();
dbs[i].commitTrans();
}
return;
}
SrVector children = new SrVector(10);
if (userObject instanceof Db) {
insertProjects(children, (Db) userObject);
children.sort();
} else if (((DbObject) userObject).isAlive()) {
insertComponents(children, (DbObject) userObject);
if (childrenAreSorted((DbObject) userObject))
children.sort(getComparator((DbObject) userObject));
}
DynamicNode groupNode = null;
int index = 0;
int iGroup = 0;
for (int i = 0; i < children.size(); i++) {
DynamicNode srcNode = (DynamicNode) children.elementAt(i);
GroupParams group = srcNode.getGroupParams();
if (group.name == null) {
refreshNode(srcNode, parentNode, index);
index++;
} else {
if (groupNode == null || !groupNode.toString().equals(group.name)) {
if (groupNode != null) deleteNodes(groupNode, iGroup);
groupNode = getGroupNode(parentNode, group, index);
if (groupNode == null) {
groupNode = createGroupNode(group);
insertNodeInto(groupNode, parentNode, index);
} else if (groupNode != getChild(parentNode, index)) {
removeNodeFromParent(groupNode);
insertNodeInto(groupNode, parentNode, index);
}
index++;
iGroup = 0;
}
refreshNode(srcNode, groupNode, iGroup);
iGroup++;
}
}
if (groupNode != null) deleteNodes(groupNode, iGroup);
deleteNodes(parentNode, index);
// Refresh subnodes in a separate pass to avoid interference from
// automatic
// adding of a primary node when adding a secondary node.
refreshChildren(parentNode);
}