@Override
public DBPImage getNodeIcon() {
DBPImage image = null;
final DBSObject object = getObject();
if (object instanceof DBPImageProvider) {
image = ((DBPImageProvider) object).getObjectImage();
}
if (image == null) {
DBXTreeNode meta = getMeta();
if (meta != null) {
image = meta.getIcon(this);
}
}
if (image != null && object instanceof DBPStatefulObject) {
image = DBNModel.getStateOverlayImage(image, ((DBPStatefulObject) object).getObjectState());
}
return image;
}
private void loadChildren(
DBRProgressMonitor monitor,
final DBXTreeNode meta,
final DBNDatabaseNode[] oldList,
final List<DBNDatabaseNode> toList)
throws DBException {
if (monitor.isCanceled()) {
return;
}
this.filtered = false;
List<DBXTreeNode> childMetas = meta.getChildren(this);
if (CommonUtils.isEmpty(childMetas)) {
return;
}
monitor.beginTask(ModelMessages.model_navigator_load_items_, childMetas.size());
for (DBXTreeNode child : childMetas) {
if (monitor.isCanceled()) {
break;
}
monitor.subTask(
ModelMessages.model_navigator_load_
+ " "
+ child.getChildrenType(getObject().getDataSource()));
if (child instanceof DBXTreeItem) {
final DBXTreeItem item = (DBXTreeItem) child;
boolean isLoaded = loadTreeItems(monitor, item, oldList, toList);
if (!isLoaded && item.isOptional() && item.getRecursiveLink() == null) {
// This may occur only if no child nodes was read
// Then we try to go on next DBX level
loadChildren(monitor, item, oldList, toList);
}
} else if (child instanceof DBXTreeFolder) {
if (oldList == null) {
// Load new folders only if there are no old ones
toList.add(new DBNDatabaseFolder(this, (DBXTreeFolder) child));
} else {
for (DBNDatabaseNode oldFolder : oldList) {
if (oldFolder.getMeta() == child) {
oldFolder.reloadChildren(monitor);
toList.add(oldFolder);
break;
}
}
}
} else if (child instanceof DBXTreeObject) {
if (oldList == null) {
// Load new objects only if there are no old ones
toList.add(new DBNDatabaseObject(this, (DBXTreeObject) child));
} else {
for (DBNDatabaseNode oldObject : oldList) {
if (oldObject.getMeta() == child) {
oldObject.reloadChildren(monitor);
toList.add(oldObject);
break;
}
}
}
} else {
log.warn("Unsupported meta node type: " + child); // $NON-NLS-1$
}
monitor.worked(1);
}
monitor.done();
if (filtered) {
getModel().fireNodeUpdate(this, this, DBNEvent.NodeChange.REFRESH);
}
}