public void Dispose()
{
if (!m_disposed)
{
try
{
if ((object)m_parser != null)
{
m_parser.Dispose();
m_parser = null;
}
}
finally
{
m_disposed = true;
}
}
}
/// <summary>
/// Determines whether the file can be parsed at this time.
/// </summary>
/// <param name="filePath">The path to the file to be parsed.</param>
/// <param name="fileCreationTime">The time the file was created.</param>
/// <returns>True if the file can be parsed; false otherwise.</returns>
public bool CanParse(string filePath, DateTime fileCreationTime)
{
try
{
m_parser = new LogicalParser(filePath);
m_parser.Open();
return true;
}
catch (IOException)
{
return false;
}
}
private void PQDIFButton_Click(object sender, EventArgs e)
{
List<ObservationRecord> observationRecords;
using (OpenFileDialog dialog = new OpenFileDialog())
{
dialog.Filter = "PQDIF Files|*.pqd|All Files|*.*";
dialog.Title = "Browse PQDIF Files";
if (dialog.ShowDialog() == DialogResult.Cancel)
return;
if (!File.Exists(dialog.FileName))
return;
// Parse PQDif File Data
using (LogicalParser logicalParser = new LogicalParser(dialog.FileName))
{
observationRecords = new List<ObservationRecord>();
logicalParser.Open();
while (logicalParser.HasNextObservationRecord())
observationRecords.Add(logicalParser.NextObservationRecord());
}
// Convert to common channel format
m_channels = observationRecords
.SelectMany(observation => observation.ChannelInstances)
.Where(channel => channel.Definition.QuantityTypeID == QuantityType.WaveForm)
.Select(MakeParsedChannel)
.ToList();
// Clear the list box and data chart
ChannelListBox.Items.Clear();
DataChart.Series.Clear();
// Populate the list box with channel names
ChannelListBox.Items.AddRange(m_channels
.Select((channel, index) => string.Format("[{0}] {1}", index, channel.Name))
.Cast<object>()
.ToArray());
// Select the first channel in the list
ChannelListBox.SelectedIndex = 0;
// Change the title text of the window to show what file the user has open
m_fileName = dialog.SafeFileName;
Text = string.Format("PQDIF - [{0}]", dialog.SafeFileName);
}
}
