private void rebuildTree() {
final TreeStateSnapshot treeStateSnapshot = new TreeStateSnapshot(this);
myRootNode.removeAllChildren();
myDescriptorToNodeMap.clear();
myDescriptorToNodeMap.put((TreeDescriptor) myRootNode.getUserObject(), myRootNode);
// build tree
for (final Breakpoint breakpoint : myBreakpoints) {
CheckedTreeNode node = createNode(new BreakpointDescriptor(breakpoint));
node.setChecked(breakpoint.ENABLED);
addNode(node);
}
// remove all package nodes with one child
final int count = myRootNode.getChildCount();
final List<CheckedTreeNode> children = new ArrayList<CheckedTreeNode>();
for (int idx = 0; idx < count; idx++) {
CheckedTreeNode child = (CheckedTreeNode) myRootNode.getChildAt(idx);
if (!(child.getUserObject() instanceof PackageDescriptor)) {
children.add(child);
continue;
}
while (child.getUserObject() instanceof PackageDescriptor && child.getChildCount() <= 1) {
child = (CheckedTreeNode) child.getChildAt(0);
}
if (!(child.getUserObject() instanceof PackageDescriptor)) {
child = (CheckedTreeNode) child.getParent();
}
for (CheckedTreeNode childToRemove = (CheckedTreeNode) child.getParent();
!childToRemove.equals(myRootNode);
childToRemove = (CheckedTreeNode) childToRemove.getParent()) {
myDescriptorToNodeMap.remove(childToRemove.getUserObject());
}
children.add(child);
}
for (final CheckedTreeNode aChildren : children) {
aChildren.removeFromParent();
}
myRootNode.removeAllChildren();
for (final CheckedTreeNode child : children) {
myRootNode.add(child);
}
sortChildren(myRootNode);
((DefaultTreeModel) getModel()).nodeStructureChanged(myRootNode);
treeStateSnapshot.restore(this);
expandPath(new TreePath(myRootNode));
}
private void sortChildren(CheckedTreeNode node) {
final int childCount = node.getChildCount();
if (childCount == 0) {
return;
}
final List<CheckedTreeNode> children = new ArrayList<CheckedTreeNode>(childCount);
for (int idx = 0; idx < childCount; idx++) {
children.add((CheckedTreeNode) node.getChildAt(idx));
}
for (CheckedTreeNode child : children) {
sortChildren(child);
child.removeFromParent();
}
Collections.sort(children, myNodeComparator);
for (CheckedTreeNode child : children) {
node.add(child);
}
}