/**
* Reloads the model, without changing which nodes are open. nodeStructureChanged, the Swing
* method of doing this, doesn't always work. Besides that, nodeStructureChanged closes nodes when
* it shouldn't
*/
public void reloadModel() {
Map<ProcessTreeNode, Boolean> isExpanded =
new HashMap<ProcessTreeNode, Boolean>(tree.getRowCount());
// save expanded state
for (int i = 0; i < tree.getRowCount(); i++) {
ProcessTreeNode node = getNodeAtRow(i);
if (node != null && !node.isLeaf()) {
isExpanded.put(node, Boolean.valueOf(tree.isExpanded(i)));
}
}
m_model.reload();
// restore expanded state
for (int i = 0; i < tree.getRowCount(); i++) {
ProcessTreeNode node = getNodeAtRow(i);
if (node != null && !node.isLeaf()) {
// if the node had no expanded state, it will not be expanded
boolean expanded = isExpanded.get(node) != null && isExpanded.get(node).booleanValue();
if (expanded) {
tree.expandRow(i);
}
}
}
invalidate();
requestFocusInWindow();
repaint();
}
