public void Assign(TreeNodeItems source, bool isNodesHiddenDef)
{
Nodes = new List<TreeNodeItem>(source.Nodes.Count);
foreach (TreeNodeItem item in source.Nodes)
{
Assign(item, Nodes, isNodesHiddenDef);
}
}
private void ApplySearchFilter()
{
if (_treeView != null && (_treeView.Nodes.Count > 0 || _searching) &&
FilterNode != null && tbSearch.Text != _inactiveSearchText)
{
string filter = tbSearch.Text.Trim();
if (string.IsNullOrEmpty(filter))
{
if (_searching)
{
LockTreeUpdate();
_treeNodeItems.AssignToTreeNodeCollectionTree(_rootNodes);
UnlockTreeUpdate();
_treeNodesItemsFiltered = null;
SelectFirstFoundNode();
}
return;
}
//Store full TreeView nodes structure
if (!_searching)
{
_treeNodeItems = new TreeNodeItems(_rootNodes);
_searching = true;
}
//Create tree nodes filtered items
_treeNodesItemsFiltered = new TreeNodeItems(_treeNodeItems, true);
//Lock treeview update and clear nodes list
LockTreeUpdate();
_rootNodes.Clear();
//Apply filter
foreach (TreeNodeItem nodeItem in _treeNodesItemsFiltered.Nodes)
{
if (_searchResultView == SearchResultView.Tree)
{
bool canHide = true;
ApplySearchFilterTree(nodeItem, filter, ref canHide);
}
else
{
ApplySearchFilterList(nodeItem, filter);
}
}
//Show filtered nodes
if (_searchResultView == SearchResultView.Tree)
{
_treeNodesItemsFiltered.AssignToTreeNodeCollectionTree(_rootNodes);
}
else
{
_treeNodesItemsFiltered.AssignToTreeNodeCollectionList(_rootNodes);
}
//Expand all nodes
_treeView.ExpandAll();
//Select first found node
SelectFirstFoundNode();
//Unlock treeview update
UnlockTreeUpdate();
}
}
public TreeNodeItems(TreeNodeItems source, bool isNodesHiddenDef)
{
Assign(source, isNodesHiddenDef);
}
public void CancelSearch()
{
if (_searching)
{
if (_treeView != null && _treeNodeItems != null)
{
string[] selectedPath = _treeNodesItemsFiltered != null
? _treeNodesItemsFiltered.GetSelectedNodeFullPath(_treeView.SelectedNode)
: null;
LockTreeUpdate();
_treeNodeItems.AssignToTreeNodeCollectionTree(_rootNodes);
SelectNodeByPath(selectedPath);
UnlockTreeUpdate();
_treeNodesItemsFiltered = _treeNodeItems = null;
}
_searching = false;
}
SetInactiveSearchStyle();
}
