/** Removes the current selected group. */
final void removeSelectedGroup() {
TreePath[] selectionPaths = this.tree.getSelectionPaths();
if (selectionPaths == null) {
return;
}
DefaultTreeModel model = (DefaultTreeModel) this.tree.getModel();
ElementTreeNode rootNode = (ElementTreeNode) model.getRoot();
for (TreePath selectionPath : selectionPaths) {
ElementTreeNode treeNode = (ElementTreeNode) selectionPath.getLastPathComponent();
if (treeNode.getUserObject() instanceof ElementGroup) {
ElementGroup elementGroup = (ElementGroup) treeNode.getUserObject();
this.model.removeGroup(elementGroup);
model.nodesWereRemoved(
rootNode, new int[] {rootNode.getIndex(treeNode)}, new Object[] {treeNode});
}
}
}
