TOC Missing +/- (expand/collapse) boxes

Never seen this before, but my TOC is suddenly missing the
+/- expand/collapse topic buttons. Anyone know what the problem is
here? TOC is set to binary.
Here are the params from the HHC file:
<object type="text/site properties">
<param name="FrameName" value="_blank">
<param name="WindowName" value="FreeDOM">
<param name="SiteType" value="toc">
<param name="Window Styles" value="0x800002">
<param name="ExWindow Styles" value="0x100">
</object>
Any change to params?
Thanks,
John

Hi John
Is this for .CHM or WebHelp? If it's WebHelp, you need some
images. You may obtain some by
clicking
here.
If it's for compiled .CHM, you need to look at the Single
Source Layout properties. Click the Advanced... button, then the
TOC Styles tab. Click to enable Lines from Root, then you will be
able to choose Plus/Minus Squares.
Hope this helps a smidge... Rick

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Message was edited by: da4seen

Okay,
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if (compress) {
// Return Nth displayable node
int elementNodeIndex = 0;
for (int i=0; i<domNode.getChildNodes().getLength(); i++) {
node = domNode.getChildNodes().item(i);
if (node.getNodeType() == ELEMENT_TYPE
&& treeElement( node.getNodeName() )
&& elementNodeIndex++ == searchIndex) {
break;
return new XMLTreeNode(node);
public int getIndex(TreeNode tnode) {
     if (tnode== null) {
          throw new IllegalArgumentException("argument is null");
     XMLTreeNode child=(XMLTreeNode)tnode;
     int count = getChildCount();
     for (int i=0; i<count; i++) {
          XMLTreeNode n = (XMLTreeNode)this.getChildAt(i);
          if (child.domNode == n.domNode) return i;
     return -1; // Should never get here.
public class XMLTreeModel2 extends DefaultTreeModel
     private Vector listenerList = new Vector();
     * This adapter converts the current Document (a DOM) into
     * a JTree model.
     private Document document;
     public XMLTreeModel2 (Document doc){
          super(new XMLTreeNode(doc));
          this.document=doc;
     public Object getRoot() {
          //System.err.println("Returning root: " +document);
          return new XMLTreeNode(document);
     public boolean isLeaf(Object aNode) {
          return ((XMLTreeNode)aNode).isLeaf();
     public int getChildCount(Object parent) {
          XMLTreeNode node = (XMLTreeNode) parent;
return node.getChildCount();
     public Object getChild(Object parent, int index) {
XMLTreeNode node = (XMLTreeNode) parent;
return node.getChildAt(index);
     public int getIndexOfChild(Object parent, Object child) {
if (parent==null || child==null )
     return -1;
          XMLTreeNode node = (XMLTreeNode) parent;
return node.getIndex((XMLTreeNode) child);
     public void valueForPathChanged(TreePath path, Object newValue) {
// Null. no changes
     public void addTreeModelListener(TreeModelListener listener) {
          if ( listener != null
&& ! listenerList.contains( listener ) ) {
listenerList.addElement( listener );
     public void removeTreeModelListener(TreeModelListener listener) {
          if ( listener != null ) {
listenerList.removeElement( listener );
     public void fireTreeNodesChanged( TreeModelEvent e ) {
Enumeration listeners = listenerList.elements();
while ( listeners.hasMoreElements() ) {
TreeModelListener listener =
(TreeModelListener) listeners.nextElement();
listener.treeNodesChanged( e );
     public void fireTreeNodesInserted( TreeModelEvent e ) {
Enumeration listeners = listenerList.elements();
while ( listeners.hasMoreElements() ) {
TreeModelListener listener =
(TreeModelListener) listeners.nextElement();
listener.treeNodesInserted( e );
     public void fireTreeNodesRemoved( TreeModelEvent e ) {
Enumeration listeners = listenerList.elements();
while ( listeners.hasMoreElements() ) {
TreeModelListener listener =
(TreeModelListener) listeners.nextElement();
listener.treeNodesRemoved( e );
     public void fireTreeStructureChanged( TreeModelEvent e ) {
Enumeration listeners = listenerList.elements();
while ( listeners.hasMoreElements() ) {
TreeModelListener listener =
(TreeModelListener) listeners.nextElement();
listener.treeStructureChanged( e );
The collapseAll, expandAll code (even though I m pretty sure that's not the problem since they work fine on a normal JTree):
    private void collapseAll(TreePath tp){
         if (tp==null) return;
         Object node=tp.getLastPathComponent();
         TreeModel model=tree.getModel();
         if (!model.isLeaf(node)){
              tree.collapsePath(tp);
              for (int i=0;i<model.getChildCount(node);i++){
              //for (int i = node.childCount()-4;i>=0;i--){
                   collapseAll(tp.pathByAddingChild(model.getChild(node,i)));
              tree.collapsePath(tp);
    private void expandAll(TreePath tp){
         if (tp==null) return;
         Object node=tp.getLastPathComponent();
         TreeModel model=tree.getModel();
         if (!model.isLeaf(node)){
              tree.expandPath(tp);
              for (int i=0;i<model.getChildCount(node);i++){
              //for (int i = node.childCount()-4;i>=0;i--){
                   expandAll(tp.pathByAddingChild(model.getChild(node,i)));

Hi,
Iam not facing this problem. To CollapseAll, I do a tree.getModel().reload() which causes all nodes to get collapsed and remain so even if I reopen them manually.
Hope this helps.
cheers,
vidyut

TOC Missing +/- (expand/collapse) boxes

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