private bool HideMenus(ToolStripItemCollection collection, NodeFilterInfoBase filterInfo)
{
bool hasVisibleNodes = false;
foreach (CustomToolStripMenuItem menuItem in collection)
{
var hide = false;
if (menuItem.DropDownItems.Count > 0)
{
var childrenIsVisible = HideMenus(menuItem.DropDownItems, filterInfo);
if (!childrenIsVisible)
{
hide = true;
}
hasVisibleNodes |= childrenIsVisible;
}
else
{
if (!IsFilteredMenu(menuItem, filterInfo))
{
hide = true;
}
else
{
hasVisibleNodes = true;
}
}
menuItem.Visible = !hide;
}
return(hasVisibleNodes);
}
private void Filter(string filter, NodeFilterInfoBase filterInfo)
{
RestoreNodes();
var filters = filter.ToLower().Split('.');
HideNodes(treeView1.Nodes, filterInfo);
HideNodes(treeView1.Nodes, filters, 0, !String.IsNullOrEmpty(filter));
}
private bool IsFilteredNode(CustomTreeNode node, NodeFilterInfoBase filter)
{
if (node.Dumper == null)
{
return(true);
}
return(!filter.IsHide(node.Dumper));
}
private bool IsFilteredMenu(CustomToolStripMenuItem node, NodeFilterInfoBase filter)
{
if (node.Dumper == null)
{
return(true);
}
return(!filter.IsHide(node.Dumper));
}
private bool HideNodes(TreeNodeCollection nodes, NodeFilterInfoBase filterInfo)
{
bool hasVisibleNodes = false;
var nodesToRemove = new List <TreeNode>();
foreach (CustomTreeNode node in nodes)
{
if (node.Nodes.Count > 0)
{
var childrenIsVisible = HideNodes(node.Nodes, filterInfo);
if (!childrenIsVisible)
{
nodesToRemove.Add(node);
}
hasVisibleNodes |= childrenIsVisible;
}
else
{
if (!IsFilteredNode(node, filterInfo))
{
nodesToRemove.Add(node);
}
else
{
hasVisibleNodes = true;
}
}
}
foreach (TreeNode node in nodesToRemove)
{
removedNodes.Add(new RemovedTreeNode {
RemovedNode = node, ParentNode = node.Parent, RemovedNodeIndex = node.Index
});
node.Remove();
}
return(hasVisibleNodes);
}
public static void AddFilter(NodeFilterInfoBase filter)
{
filters.Add(filter);
}