private ArrayList<TreeNode> childrenToArray(DefaultMutableTreeNode node) {
ArrayList<TreeNode> arrayList = new ArrayList<TreeNode>();
for (int i = 0; i < node.getChildCount(); i++) {
arrayList.add(node.getChildAt(i));
}
return arrayList;
}
public boolean restoreSelection(TreeSelection treeSelection) {
if (treeSelection.isEmpty()) return false;
DefaultMutableTreeNode root = (DefaultMutableTreeNode) myTreeModel.getRoot();
for (int i = 0; i < root.getChildCount(); i++) {
TreeNode node = root.getChildAt(i);
if (node instanceof MessageNode) {
MessageNode messageNode = (MessageNode) node;
String[] text = messageNode.getText();
if (text.length == 0) continue;
if (Comparing.equal(treeSelection.mySelectedTarget, text[0])) {
TreePath pathToSelect = new TreePath(messageNode.getPath());
for (Enumeration enumeration = messageNode.children(); enumeration.hasMoreElements(); ) {
Object o = enumeration.nextElement();
if (o instanceof MessageNode) {
messageNode = (MessageNode) o;
if (Comparing.equal(treeSelection.mySelectedTask, text[0])) {
pathToSelect = new TreePath(messageNode.getPath());
break;
}
}
}
TreeUtil.selectPath(myTree, pathToSelect);
myTree.expandPath(pathToSelect);
return true;
}
}
}
return false;
}
private void collapseTargets() {
DefaultMutableTreeNode root = (DefaultMutableTreeNode) myTreeModel.getRoot();
for (int i = 0; i < root.getChildCount(); i++) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) root.getChildAt(i);
myTree.collapsePath(new TreePath(node.getPath()));
}
}
private static DefaultMutableTreeNode findInChildren(
DefaultMutableTreeNode currentTreeNode, AbstractTreeNode topPathElement) {
for (int i = 0; i < currentTreeNode.getChildCount(); i++) {
TreeNode child = currentTreeNode.getChildAt(i);
if (((DefaultMutableTreeNode) child).getUserObject().equals(topPathElement)) {
return (DefaultMutableTreeNode) child;
}
}
return null;
}
private void restoreUsageExpandState(final Collection<UsageState> states) {
// always expand the last level group
final DefaultMutableTreeNode root = (DefaultMutableTreeNode) myTree.getModel().getRoot();
for (int i = root.getChildCount() - 1; i >= 0; i--) {
final DefaultMutableTreeNode child = (DefaultMutableTreeNode) root.getChildAt(i);
if (child instanceof GroupNode) {
final TreePath treePath = new TreePath(child.getPath());
myTree.expandPath(treePath);
}
}
myTree.getSelectionModel().clearSelection();
for (final UsageState usageState : states) {
usageState.restore();
}
}
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);
}
}
}