public StackNodeControl FindNode(string key, bool searchAllChild = true)
{
StackNodeControl n = null;
foreach (StackNodeControl node in this.Nodes)
{
if (node.Key == key)
{
n = node;
}
else
{
n = node.FindNode(key);
}
if (n == null)
{
continue;
}
else
{
break;
}
}
return(n);
}
private void OnNodeClicked(StackNodeControl node)
{
if (this.StackNodeClick != null)
{
this.StackNodeClick(this.StackedTree, new StackNodeEventArgs(node));
}
}
public void OnSelectionChanged(StackNodeEventArgs e)
{
this.SuspendDrawing();
if (_selectedNode != null)
{
_selectedNode.BackColor = Color.White;
_selectedNode.ForeColor = Color.Black;
}
_selectedNode = e.Node;
_selectedNode.BackColor = this.SelectionColor;
_selectedNode.ForeColor = this.SelectionForeColor;
if (e.Node.Nodes.Count == 0)
{
var p = SelectedNode.ParentNode;
while (p != null)
{
p.Expand();
p = p.ParentNode;
}
pnlMain.ScrollControlIntoView(SelectedNode.Parent);
}
this.ResumeDrawing();
if (SelectionChanged != null)
{
SelectionChanged(this, e);
}
}
private void ClearFilters(StackNodeControl node)
{
node.Filtered = true;
foreach (StackNodeControl child in node.Nodes)
{
child.Filtered = true;
ClearFilters(child);
}
}
private void FilterNode(StackNodeControl node)
{
foreach (StackNodeControl child in node.Nodes)
{
FilterNode(child);
}
bool isVisible = !node.IsSearchable || node.SearchString.ToLower().Contains(_filterString.ToLower());
bool isChildVisible = node.Nodes.Any(child => child.Filtered == true);
node.Filtered = isVisible || isChildVisible;
}
private int GetHeight(StackNodeControl node)
{
if (!node.IsVisible || !node.Filtered)
{
return(0);
}
int totalHeight = 40;
if (node.Nodes.Count == 0 || !node.IsExpanded)
{
return(totalHeight);
}
else //Get ChildPanel Height
{
//Immediate Nodes
foreach (StackNodeControl child in node.Nodes)
{
totalHeight += GetHeight(child);
}
return(totalHeight);
}
}
private void CreateNodes(SampleItem sample, StackNodeControl parent = null)
{
StackNodeControl node;
if (parent == null)
{
node = treeView.Nodes.Add(sample.Guid.ToString(), sample.Name);
}
else
{
node = parent.Nodes.Add(sample.Guid.ToString(), sample.Name);
node.IsSearchable = true;
/*
* A node can be searched based on the following parameters
* 1. Text of the parent node
* 2. Name and Title of the node itself
* 3. Keywords defined for the parent node
* 4. Keywords defined for the node itself
*/
node.SearchString = string.Format("{0} {1} {2} {3} {4}", parent.Text, sample.Name, sample.Title, sample.KeyWords, sample.Parent.KeyWords);
}
node.Tag = sample;
node.Status = sample.Status;
if (!sample.Items.IsNullOrEmpty())
{
node.ExpandedImage = node.Level == 0 ? StackTreeControl.ImageList["Minus"] : StackTreeControl.ImageList["ExpandedArrow"];
node.CollapsedImage = node.Level == 0 ? StackTreeControl.ImageList["Plus"] : StackTreeControl.ImageList["CollapsedArrow"];
foreach (var item in sample.Items)
{
CreateNodes(item, node);
}
}
else
{
node.ExpandedImage = node.CollapsedImage = StackTreeControl.ImageList["Leaf"];
}
}
public StackNodeEventArgs(StackNodeControl node)
{
this.Node = node;
}