/**
* Invoked after nodes have been removed from the tree. Note that if a subtree is removed from the
* tree, this method may only be invoked once for the root of the removed subtree, not once for
* each individual set of siblings removed.
*
* <p>e.path() returns the former parent of the deleted nodes.
*
* <p>e.childIndices() returns the indices the nodes had before they were deleted in ascending
* order.
*/
public void treeNodesRemoved(TreeModelEvent e) {
if (e != null) {
int changedIndexs[];
int maxCounter;
TreePath parentPath = SwingUtilities2.getTreePath(e, getModel());
FHTreeStateNode changedParentNode = getNodeForPath(parentPath, false, false);
changedIndexs = e.getChildIndices();
// PENDING(scott): make sure that changedIndexs are sorted in
// ascending order.
if (changedParentNode != null
&& changedIndexs != null
&& (maxCounter = changedIndexs.length) > 0) {
Object[] children = e.getChildren();
boolean isVisible = (changedParentNode.isVisible() && changedParentNode.isExpanded());
for (int counter = maxCounter - 1; counter >= 0; counter--) {
changedParentNode.removeChildAtModelIndex(changedIndexs[counter], isVisible);
}
if (isVisible) {
if (treeSelectionModel != null) treeSelectionModel.resetRowSelection();
if (treeModel.getChildCount(changedParentNode.getUserObject()) == 0
&& changedParentNode.isLeaf()) {
// Node has become a leaf, collapse it.
changedParentNode.collapse(false);
}
visibleNodesChanged();
} else if (changedParentNode.isVisible()) visibleNodesChanged();
}
}
}
