private void AddMatchToResults(Match match, int matchCount, bool selectNode = false)
{
var onMatch = new Action <SearchLib.Match>(x =>
{
var node = new TreeNode($"({x.LineNumber},{x.StartIndex}): {x.Line}");
node.Tag = match;
var nodes = tvMatches.Nodes.Find(match.File, false);
if (nodes.Length > 0)
{
var fileNode = nodes[0];
fileNode.Nodes.Add(node);
if (fileNode.Nodes.Count == matchCount && !_expandedFirstNode)
{
_expandedFirstNode = true;
fileNode.Expand();
SelectNode(fileNode);
SelectNode(fileNode.Nodes[0], true);
tvMatches.SelectedNode = fileNode.Nodes[0];
}
}
});
if (this.InvokeRequired)
{
this.Invoke(onMatch, match);
}
else
{
onMatch(match);
}
}
private void SelectNode(TreeNode node, bool scrollToCaret = false)
{
if (node == null)
{
return;
}
var match = node.Tag as SearchLib.Match;
string file;
if (match == null)
{
// file node
file = node.Tag as string;
UnhighlightPreviousSelectedLine();
foreach (TreeNode childNode in node.Nodes)
{
SelectNode(childNode, false);
}
return;
}
else
{
// match node
file = match.File;
}
if (file == null)
{
return;
}
// Load file if not already loaded
if (file != _currentFile)
{
_currentFile = file;
_lastSelectedMatch = null;
txtFileViewer.ReadOnly = false;
txtFileViewer.Text = File.ReadAllText(file);
txtFileViewer.ReadOnly = true;
lblFileName.Text = file;
}
if (match != null)
{
if (scrollToCaret)
{
// unhighlight previously highlighted line, if any
UnhighlightPreviousSelectedLine();
// unhighlight all words in current line
UnHighlightSelection(match.LineStartIndex, match.LineEndIndex, HighlightLayer.HighlightWordLayer);
// highlight line
HighlightSelection(match.LineStartIndex, match.LineEndIndex, Color.LightGoldenrodYellow, HighlightLayer.LineLayer);
// highlight word
//Debug.WriteLine($"{file}, {match.Position}, {match.Position + match.Word.Length}");
HighlightSelection(match.Position, match.Position + match.Word.Length, Color.Orange, HighlightLayer.HighlightWordLayer);
// Scroll view if selection is out of visible range
int scrollStart = Math.Max(match.LineStartIndex, 0);
int scrollEnd = Math.Min(match.LineEndIndex, txtFileViewer.Text.Length - 1);
txtFileViewer.ScrollRange(scrollStart - 1, scrollEnd - 1);
}
else
{
HighlightSelection(match.Position, match.Position + match.Word.Length, Color.BurlyWood,
HighlightLayer.WordLayer);
}
_lastSelectedMatch = match;
}
else
{
txtFileViewer.SetSelection(0, 0);
}
SetLineAndColumn();
}