// ////////////////////////////////////
// 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);
}
}
// This method refreshes the display text of a node.
protected final void updateNode(DbObject dbo) throws DbException {
DynamicNode node = getDynamicNode(dbo, false);
if (node == null) return;
// backup selection and restore later
Object focusObject = ApplicationContext.getFocusManager().getFocusObject();
TreePath[] selPaths = null;
if (focusObject instanceof ExplorerView) {
selPaths = ((ExplorerView) focusObject).getSelectionPaths();
}
String displayText = getDisplayText(null, dbo);
String editText = getEditText(null, dbo);
String toolTipText = getToolTipsText(null, dbo);
Icon icon = getIcon(dbo);
node.setDisplayText(displayText, editText);
node.setToolTips(toolTipText);
node.setIcon(icon);
nodeChanged(node);
DynamicNode parentNode = (DynamicNode) node.getParent();
Object parent = parentNode.getUserObject();
if (!(parent instanceof DbObject) || childrenAreSorted((DbObject) parent)) {
removeNodeFromParent(node);
int index = getSortedIndex(parentNode, node);
insertNodeInto(node, parentNode, index);
}
// Restore selection
if (focusObject instanceof ExplorerView && selPaths != null) {
ExplorerView explorerView = (ExplorerView) focusObject;
try { // Should not occurs
explorerView.setSelectionPaths(selPaths);
} catch (Exception e) {
explorerView.setSelectionPaths(new TreePath[] {});
}
}
}
// Remove the group node if this node is the last of its group.
protected final void removeNode(DynamicNode node) {
DynamicNode parentNode = (DynamicNode) node.getParent();
if (parentNode.getUserObject() instanceof GroupParams && getChildCount(parentNode) == 1)
removeNodeFromParent(parentNode);
else removeNodeFromParent(node);
}
