// Respond to 'Load file...' button press
// Loads data from the file, opens dialog for user to assign data to existing/new spectra
// and creates the list of spectra
private void loadFileButton_Click(object sender, EventArgs e)
{
// Configuring dialog to open a new data file
openDataFile.InitialDirectory = "Z:/Data"; // Initialise to share drive
openDataFile.RestoreDirectory = true; // Open to last viewed directory
openDataFile.FileName = ""; // Set default filename to blank
openDataFile.Multiselect = true; // Allow selection of multiple files
// Show dialog to open new data file
// Do not attempt to open file if user has pressed cancel
if (openDataFile.ShowDialog() != DialogResult.Cancel)
{
// Want to only open files if they have the same number of interleaved spectra
// So keep a 'master' record of how many there are interleaved in the first file
int numberInterleavedMaster = new int();
bool selectionMade = false; // Flag whether user made the selection successfully
// These are variables which get initialised in the first loop (when i == 0)
// Need to declare them here (not in if statement) to avoid compiler errors
// Array to store user selection of where to assign spectra
int[] selectedSpectrum = new int[1]; // Have to initialise this here
spectrumSelect mySpectrumSelectBox = new spectrumSelect();
// Store number of files being opened
int numberOfFiles = openDataFile.FileNames.Length;
// Loop through each file
for (int i = 0; i < numberOfFiles; i++)
{
// Get and store just the name of the file (without full path)
string myFileName = Path.GetFileName(openDataFile.FileNames[i]);
// Create new StreamReader instance to open file
System.IO.StreamReader myFile = new System.IO.StreamReader(openDataFile.FileNames[i]);
// Create new instance of fileHandler to open & process file (pass by reference!)
fileHandler myFilehandler = new fileHandler(ref myFile, myFileName);
// Clean up StreamReader instance after fileHandler has finished with it
myFile.Close(); // Close object & release resources
// Check how many interleaved spectra there are
int numberInterleaved = myFilehandler.getNumberInterleaved();
// If numberInterleaved is zero, then trying to open spectrumSelect window will cause the progam to crash
// It would also mean that the fileHandler was not able to process the data correctly
if (numberInterleaved != 0)
{
if (i == 0)
{
// Set number interleaved to compare other files to
numberInterleavedMaster = numberInterleaved;
//*************************************************************
// Pop up dialog box to select which spectrum to add data to, and save selections
// Create spectrumSelect form, give it list of existing spectra, number of spectra in first file
// file name of first file, and number of files opened
string[] spectrumNamesFromFile = myFilehandler.getSpectrumNames();
mySpectrumSelectBox = new spectrumSelect(mySpectrum, ref spectrumNamesFromFile, numberInterleaved,
ref myFileName, numberOfFiles);
mySpectrumSelectBox.ShowDialog(); // Display form & wait until it is closed to continue
// Make sure the user didn't press cancel or close the dialog box
if (mySpectrumSelectBox.DialogResult == DialogResult.OK)
{
// Get array of information about which data to add to which spectrum
selectedSpectrum = new int[numberInterleaved];
selectedSpectrum = mySpectrumSelectBox.selectedSpectrum.ToArray();
selectionMade = true;
}
} // End of if statement which checks if i == 0
// Check that number interleaved is correct
if (numberInterleaved == numberInterleavedMaster)
{
// Check that user has selected destinations for all spectra
if (selectionMade)
{
// For each interleaved spectrum, check where it is being assigned to
//
for (int j = 0; j < numberInterleaved; j++)
{
// If the index >= number of existing spectra, new ones must have been added
// (since for a list of N items, index runs from 0 to N-1)
if (selectedSpectrum[j] >= numberOfSpectra)
{
int specNumInFile = selectedSpectrum[j] - numberOfSpectra;
// Get the list filled with data points, add to list of spectra
mySpectrum.Add(new spectrum(myFilehandler.getDataPoints(j), // Data points for spectrum
selectedSpectrum[j], // Spectrum number
mySpectrumSelectBox.spectrumNamesForGraph[selectedSpectrum[j]], // Spectrum name
ref myFilehandler.metadata, // Metadata from file
specNumInFile, // Which spectrum in the file
myFilehandler.getNumberInterleaved() )); // How many interleaved in file
// Add blank PointPairList for storing plot data
dataPlot.Add(new PointPairList());
}
else
{
// Add list of data points from file handler into existing spectrum
mySpectrum[selectedSpectrum[j]].addToSpectrum(myFilehandler.getDataPoints(j));
}
}
// Update number of spectra
numberOfSpectra = mySpectrum.Count();
}
else
{
MessageBox.Show("Spectra destinations not assigned. Data not loaded.");
}
}
else
{
MessageBox.Show("Number of spectra interleaved in file " + myFileName +
" (" + numberInterleaved + " spectra) does not match previous files. File skipped.");
}
// Print out information to the user in the userDisplayText box
userDisplayText.Text += @"File """ + myFileName.Replace(".txt", "") + @""" loaded" + System.Environment.NewLine;
userDisplayText.Text += "Notes: " + myFilehandler.getNotes();
userDisplayText.SelectionStart = userDisplayText.Text.Length;
userDisplayText.ScrollToCaret();
} // End of if statement which checks for number interleaved != 0
} // End of for loop which goes through each file
// Create the controls for the graph
this.createGraphControls();
// Update thresholds & plot data
this.updateThresholds();
}
}
public void addLiveData(List<int> readings, int CurrentWindowStep, int sidebandStartFreq, int pulseLength)
{
if (this.InvokeRequired)
{
this.Invoke(new Delegate_addLiveData(addLiveData), new object[] {readings, CurrentWindowStep, sidebandStartFreq, pulseLength} );
}
else
{
// Copy data from readings into local array
int[] myData = readings.ToArray();
// Create fileHandler object to process the incoming data (use current sidebandStartFreq and currentwindowstep to add datapoint at correct frequency
fileHandler myFileHandler = new fileHandler(ref myData, repeatsLive, stepSizeLive, numberOfSpectraLive,
sidebandStartFreq, CurrentWindowStep, pulseLength);
// How many spectra were loaded before we started running live
int existingSpectra = numberOfSpectra - numberOfSpectraLive;
// Loop through the live spectra only
for (int i = existingSpectra; i < numberOfSpectra; i++)
{
// Add data points to the spectrum
mySpectrum[i].addToSpectrum(myFileHandler.getDataPoints(i));
// Retrieve the data to plot to graph (has already been updated by the addToSpectrum method)
dataPlot[i] = mySpectrum[i].getDataPlot();
}
// NB data gets updated automatically when points are added to spectra
// So just update graph
updateGraph();
// Size the control to fill the form with a margin
SetSize();
}
}