// {{{ removeSelectedNode() method
private void removeSelectedNode() {
TreePath path = resultTree.getSelectionPath();
if (path == null) return;
MutableTreeNode value = (MutableTreeNode) path.getLastPathComponent();
if (path.getPathCount() > 1) {
// Adjust selection so that repeating some removals
// behave naturally.
TreePath parentPath = path.getParentPath();
MutableTreeNode parent = (MutableTreeNode) parentPath.getLastPathComponent();
int removingIndex = parent.getIndex(value);
int nextIndex = removingIndex + 1;
if (nextIndex < parent.getChildCount()) {
TreeNode next = parent.getChildAt(nextIndex);
resultTree.setSelectionPath(parentPath.pathByAddingChild(next));
} else {
resultTree.setSelectionPath(parentPath);
}
resultTreeModel.removeNodeFromParent(value);
}
HyperSearchOperationNode.removeNodeFromCache(value);
if (resultTreeRoot.getChildCount() == 0) {
hideDockable();
}
} // }}}
private void captureUsagesExpandState(TreePath pathFrom, final Collection<UsageState> states) {
if (!myTree.isExpanded(pathFrom)) {
return;
}
final DefaultMutableTreeNode node = (DefaultMutableTreeNode) pathFrom.getLastPathComponent();
final int childCount = node.getChildCount();
for (int idx = 0; idx < childCount; idx++) {
final TreeNode child = node.getChildAt(idx);
if (child instanceof UsageNode) {
final Usage usage = ((UsageNode) child).getUsage();
states.add(
new UsageState(
usage,
myTree.getSelectionModel().isPathSelected(pathFrom.pathByAddingChild(child))));
} else {
captureUsagesExpandState(pathFrom.pathByAddingChild(child), states);
}
}
}
TreePath getTreePath(TreeNode treeNode) {
TreeNode parent = treeNode.getParent();
if (parent == null) {
return new TreePath(treeNode);
} else {
TreePath ptp = getTreePath(parent);
ptp = ptp.pathByAddingChild(treeNode);
return ptp;
}
}
public void restore() {
final UsageNode node = myUsageNodes.get(myUsage);
if (node == NULL_NODE || node == null) {
return;
}
final DefaultMutableTreeNode parentGroupingNode = (DefaultMutableTreeNode) node.getParent();
if (parentGroupingNode != null) {
final TreePath treePath = new TreePath(parentGroupingNode.getPath());
myTree.expandPath(treePath);
if (mySelected) {
myTree.addSelectionPath(treePath.pathByAddingChild(node));
}
}
}