/// <summary>
/// Recursively builds the toc tree and fills the treeview
/// </summary>
/// <param name="tocItems">list of toc-items</param>
/// <param name="col">treenode collection of the current level</param>
/// <param name="filter">information type/category filter</param>
private void BuildTOC(ArrayList tocItems, TreeNodeCollection col, InfoTypeCategoryFilter filter)
{
foreach (TOCItem curItem in tocItems)
{
bool bAdd = true;
if (filter != null)
{
bAdd = false;
if (curItem.InfoTypeStrings.Count <= 0)
{
bAdd = true;
}
else
{
for (int i = 0; i < curItem.InfoTypeStrings.Count; i++)
{
bAdd |= filter.Match(curItem.InfoTypeStrings[i].ToString());
}
}
}
if (bAdd)
{
TreeNode newNode = new TreeNode(curItem.Name, curItem.ImageIndex, curItem.ImageIndex);
newNode.Tag = curItem;
if (curItem.Children.Count > 0)
{
BuildTOC(curItem.Children, newNode.Nodes, filter);
}
// check if we have a book/folder which doesn't have any children
// after applied filter.
if ((curItem.Children.Count > 0) && (newNode.Nodes.Count <= 0))
{
// check if the item has a local value
// if not, this don't display this item in the tree
if (curItem.Local.Length > 0)
{
col.Add(newNode);
}
}
else
{
col.Add(newNode);
}
}
}
}
/// <summary>
/// Call this method to build the help-index and fill the internal list box
/// </summary>
/// <param name="index">Index instance extracted from the chm file(s)</param>
/// <param name="typeOfIndex">type of index to display</param>
/// <param name="filter">information type/category filter</param>
public void BuildIndex(Index index, IndexType typeOfIndex, InfoTypeCategoryFilter filter)
{
switch (typeOfIndex)
{
case IndexType.AssiciativeLinks: _arrIndex = index.ALinks; break;
case IndexType.KeywordLinks: _arrIndex = index.KLinks; break;
}
lbIndex.Items.Clear();
foreach (IndexItem curItem in _arrIndex)
{
bool bAdd = true;
if (filter != null)
{
bAdd = false;
if (curItem.InfoTypeStrings.Count <= 0)
{
bAdd = true;
}
else
{
for (int i = 0; i < curItem.InfoTypeStrings.Count; i++)
{
bAdd |= filter.Match(curItem.InfoTypeStrings[i].ToString());
}
}
}
if (bAdd)
{
if (curItem.IndentKeyWord.Substring(curItem.IndentKeyWord.Length - 1) == "?")
{
lbIndex.Items.Add(curItem.IndentKeyWord.Substring(0, curItem.IndentKeyWord.Length - 1));
}
else
{
lbIndex.Items.Add(curItem.IndentKeyWord);
}
}
}
}
/// <summary>
/// Call this method to build the table of contents (TOC) tree.
/// </summary>
/// <param name="tocItems">TOC instance (tree) extracted from the chm file</param>
/// <param name="filter">information type/category filter</param>
public void BuildTOC(TableOfContents tocItems, InfoTypeCategoryFilter filter)
{
tocTreeView.Nodes.Clear();
BuildTOC(tocItems.TOC, tocTreeView.Nodes, filter);
tocTreeView.Update();
}
