/// <summary>
/// An address pairs file is simply a tab-delimited list of from/to addresses.
/// See the tools tab, where this file can be created by random pairing of a sample list of addresses.
/// </summary>
/// <param name="path"></param>
/// <param name="pairList"></param>
/// <param name="explanation"></param>
/// <returns></returns>
private bool LoadAddressPairsFile(string path, out List <GisFromToPair> pairList, out string explanation)
{
pairList = new List <GisFromToPair>();
explanation = "";
try
{
textPairsFileContents.Text = path;
if (!File.Exists(path))
{
OpenFileDialog dialog = new OpenFileDialog();
string folder = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
dialog.InitialDirectory = folder;
dialog.Filter = "CSV Files (*.csv)|*.csv";
dialog.DefaultExt = "csv";
dialog.FileName = "SamplePairData.csv";
dialog.CheckFileExists = true;
DialogResult result = dialog.ShowDialog();
if (result != DialogResult.OK)
{
return(false);
}
path = dialog.FileName;
textAddressPairsFilepath.Text = path;
}
if (!SampleHelper.GetFromTabDelimitedPairFile(path, out pairList, out explanation))
{
explanation = $"Cannot get Pairs. Err={explanation}";
return(false);
}
StringBuilder sb = new StringBuilder();
foreach (GisFromToPair pair in pairList)
{
sb.AppendLine(pair.ToString());
}
textPairsFileContents.Text = sb.ToString();
return(true);
}
catch (Exception ex)
{
explanation = $"File={path} Err={ex}";
return(false);
}
}
private void buttonCreatePairFile_Click(object sender, EventArgs e)
{
try
{
if (GisLocationList == null || !GisLocationList.Any())
{
alert($"A list of locations (addresses) is needed.");
return;
}
int pairCount = 100;
if (!SampleHelper.CreatePairedData(GisLocationList, pairCount, out List <GisFromToPair> pairList, out string explanation))
{
alert($"Cannot create {pairCount} pairs. Err={explanation}");
return;
}
string folder = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
SaveFileDialog dialog = new SaveFileDialog();
dialog.InitialDirectory = folder;
dialog.OverwritePrompt = true;
dialog.DefaultExt = "csv";
dialog.FileName = "SamplePairData.csv";
DialogResult result = dialog.ShowDialog();
if (result != DialogResult.OK)
{
return;
}
string path = dialog.FileName;
if (!SampleHelper.PutToTabDelimitedPairFile(path, pairList, out explanation))
{
alert($"Could not write pairs to Path={path}");
}
alert($"Info: Wrote {pairList.Count} pairs to file={path}");
}
catch (Exception ex)
{
alert($"Cannot write GIS From-To Pairs. Err={ex.Message}");
}
}
private void buttonGetJsonFile_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "json Files (*.json)|*.json";
dialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
dialog.CheckFileExists = true;
DialogResult result = dialog.ShowDialog();
if (result != DialogResult.OK)
{
return;
}
string path = dialog.FileName;
if (!SampleHelper.GetLocationData(path, out List <GisLocation> locationList, out string explanation))
{
alert($"Cannot get LocationData. Err={explanation}");
return;
}
StringBuilder sb = new StringBuilder();
GisLocationList = new List <GisLocation>();
foreach (GisLocation loc in locationList)
{
GisLocationList.Add(loc);
sb.AppendLine(loc.ToString());
}
textJsonContents.Text = sb.ToString();
}
catch (Exception ex)
{
alert($"Cannot get JSON file. Err={ex.Message}");
}
}