private void OpenFile(LineEvaluator mustIncludeLineInOutput)
{
FileStream fs = null;
StreamReader sr = null;
try
{
StringBuilder output = new StringBuilder();
string fileName = GetSelectedFile();
try
{
fs = new FileStream(fileName, FileMode.Open,
FileAccess.Read, FileShare.ReadWrite);
}
catch (Exception exc)
{
MessageBox.Show(exc.Message);
return;
}
int lineNumber = 0;
sr = new StreamReader(fs);
while (!sr.EndOfStream)
{
lineNumber++;
string line = sr.ReadLine();
if (mustIncludeLineInOutput(line, lineNumber))
{
output.AppendLine("Line " + lineNumber.ToString() + " " + line);
}
}
string contents = output.ToString();
if (string.IsNullOrEmpty(contents))
{
contents = "File " + fileName + " opened but no contents matched filter";
}
LogViewerDisplay.Text = contents;
string lastChar = contents.Substring(contents.Length - 2, 1);
LogViewerDisplay.Select(contents.Length - 3, contents.Length - 2);
LogViewerDisplay.ScrollToCaret();
}
catch (Exception exc)
{
MessageBox.Show(exc.Message);
}
finally
{
if (sr != null)
{
sr.Close();
sr.Dispose();
}
if (fs != null)
{
fs.Close();
fs.Dispose();
}
}
}
//private void ApplyFilterAllFiles_Click(object sender, EventArgs e)
//{
// if (FileList.Items.Count == 0)
// {
// MessageBox.Show("There are no files in the list");
// return;
// }
// LogViewerDisplay.Clear();
// foreach (var fileItem in FileList.Items)
// {
// var fileName = fileItem.ToString().Split()[0].Trim();
// string filteredContent = GetFilteredFileContents(LineContainsTokens, fileName);
// if (!string.IsNullOrEmpty(filteredContent))
// {
// LogViewerDisplay.AppendText("".PadLeft(100, '='));
// LogViewerDisplay.AppendText(Environment.NewLine);
// LogViewerDisplay.AppendText("[START] " + fileName);
// LogViewerDisplay.AppendText(Environment.NewLine);
// LogViewerDisplay.AppendText("".PadLeft(100, '='));
// LogViewerDisplay.AppendText(Environment.NewLine);
// LogViewerDisplay.AppendText(filteredContent);
// LogViewerDisplay.AppendText("".PadLeft(100, '='));
// LogViewerDisplay.AppendText(Environment.NewLine);
// LogViewerDisplay.AppendText("[END] " + fileName);
// LogViewerDisplay.AppendText(Environment.NewLine);
// LogViewerDisplay.AppendText("".PadLeft(100, '='));
// LogViewerDisplay.AppendText(Environment.NewLine);
// }
// }
//}
private void btnApplyFilterAllFiles_Click(object sender, EventArgs e)
{
if (FileList.Items.Count == 0)
{
MessageBox.Show("There are no files in the list");
return;
}
LogViewerDisplay.Clear();
btnApplyFilterAllFiles.Text = "Applying filter to all files ...";
btnApplyFilterAllFiles.Enabled = false;
List <string> files = new List <string>();
foreach (var fileItem in FileList.Items)
{
var fileName = fileItem.ToString().Split()[0].Trim();
files.Add(fileName);
}
Thread logViewerTask = new Thread(new ParameterizedThreadStart(EnforceFilter));
logViewerTask.Priority = ThreadPriority.AboveNormal;
logViewerTask.Start(files);
}
private void EnforceFilter(object files)
{
bool foundSomething = false;
List <string> fileNames = files as List <string>;
if (fileNames != null)
{
foreach (var fileName in fileNames)
{
string filteredContent = GetFilteredFileContents(LineContainsTokens, fileName);
if (!string.IsNullOrEmpty(filteredContent))
{
foundSomething = true;
this.Invoke((Action) delegate() {
LogViewerDisplay.AppendText("".PadLeft(100, '='));
LogViewerDisplay.AppendText(Environment.NewLine);
LogViewerDisplay.AppendText("[START] " + fileName);
LogViewerDisplay.AppendText(Environment.NewLine);
LogViewerDisplay.AppendText("".PadLeft(100, '='));
LogViewerDisplay.AppendText(Environment.NewLine);
LogViewerDisplay.AppendText(filteredContent);
LogViewerDisplay.AppendText("".PadLeft(100, '='));
LogViewerDisplay.AppendText(Environment.NewLine);
LogViewerDisplay.AppendText("[END] " + fileName);
LogViewerDisplay.AppendText(Environment.NewLine);
LogViewerDisplay.AppendText("".PadLeft(100, '='));
LogViewerDisplay.AppendText(Environment.NewLine);
});
}
}
if (!foundSomething)
{
this.Invoke((Action) delegate() {
LogViewerDisplay.AppendText("No matches were found in all files.");
});
}
this.Invoke((Action) delegate() {
btnApplyFilterAllFiles.Text = "Apply filter to all files";
btnApplyFilterAllFiles.Enabled = true;
});
}
}
