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Accelerating search

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This commit is contained in:
Lars Brubaker 2023-08-30 10:59:11 -07:00
parent 136a9a9aad
commit 4f6fec7e82
2 changed files with 43 additions and 8 deletions
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49
MatterControlLib/Library/Widgets/SearchableTreePanel.cs
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@ -151,16 +151,35 @@ namespace MatterHackers.MatterControl.Library.Widgets
{
}
public TreeNode RootNode
{
get
{
return contentPanel.Children.OfType<TreeNode>().FirstOrDefault();
}
}
// A dictionary to store the initial expanded states of nodes
private Dictionary<TreeNode, bool> searchInitialExpandedStates = new Dictionary<TreeNode, bool>();
public bool SearchRunning => searchInitialExpandedStates.Count > 0;
protected virtual void PerformSearch(string filter)
{
// Store the initial expanded state of each node before the search
if (searchInitialExpandedStates.Count == 0)
{
foreach (var node in RootNode.DescendantsAndSelf())
{
searchInitialExpandedStates[node] = node.Expanded;
}
}
var matches = new List<TreeNode>();
Console.WriteLine("Filter for: " + filter);
foreach (var rootNode in contentPanel.Children.OfType<TreeNode>())
{
FilterTree(rootNode, filter, false, matches);
}
FilterTree(RootNode, filter, false, matches);
if (matches.Count == 1)
{
@ -176,14 +195,30 @@ namespace MatterHackers.MatterControl.Library.Widgets
private void ClearSearch()
{
foreach (var rootNode in contentPanel.Children.OfType<TreeNode>())
if (searchInitialExpandedStates.Count > 0)
{
ResetTree(rootNode);
// Reset the expanded state of each node to its initial state before the search
foreach (var node in RootNode.DescendantsAndSelf())
{
if (searchInitialExpandedStates.TryGetValue(node, out bool wasExpanded))
{
node.Expanded = wasExpanded;
node.Visible = true;
}
}
// Clear the stored initial expanded states
searchInitialExpandedStates.Clear();
}
searchBox.Text = "";
searchBox.ResetButton.Visible = false;
TreeView.SelectedNode = null;
var parent = TreeView.SelectedNode;
while(parent != null)
{
parent.Expanded = true;
parent = parent.NodeParent;
}
this.OnClearSearch();
}