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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Win32;
using Tango.Core.Commands;
using Tango.CSV;
using Tango.DispenserAnalyzer.UI.Models;
using LiveCharts;
using LiveCharts.Wpf;
using Tango.SharedUI;
using System.Collections.ObjectModel;
using System.IO;
using System.Windows.Input;
using Tango.DispenserAnalyzer.UI.Analysis;
using System.Reflection;
using Tango.DispenserAnalyzer.UI.Analyzers;
using System.Windows;
using System.Windows.Threading;
using OxyPlot;
namespace Tango.DispenserAnalyzer.UI.ViewModels
{
public class MainWindowVM: ViewModel
{
private string _openFilePath;
public string OpenFilePath
{
get { return _openFilePath; }
set
{
if(value != null && _openFilePath != value)
{
_openFilePath = value;
ResetSettings();
RaisePropertyChangedAuto();
GenerateCommand.RaiseCanExecuteChanged();
}
}
}
private string _testName = "";
public string TestName
{
get { return _testName.ToUpper() + " TEST"; }
set { _testName = value; RaisePropertyChangedAuto(); }
}
private IList<DataPoint> _points;
public IList<DataPoint> Points
{
get { return _points; }
set
{
_points = value;
RaisePropertyChangedAuto();
}
}
private int _step;
public int XStep
{
get { return _step; }
set { _step = value; RaisePropertyChangedAuto(); }
}
private double _from;
public double From
{
get { return _from; }
set
{
_from = value; RaisePropertyChangedAuto();
}
}
private double _to;
public double To
{
get { return _to; }
set
{
_to = value; RaisePropertyChangedAuto();
}
}
public bool ResetAllAxes { get; set; }
private bool _isRunning;
/// <summary>
/// Gets or sets a value indicating whether this instance is running.
/// </summary>
public bool IsRunning
{
get { return _isRunning; }
set { _isRunning = value; RaisePropertyChangedAuto(); }
}
private ObservableCollection<IAnalyzerResult> _analyzerResults;
public ObservableCollection<IAnalyzerResult> AnalyzerResults
{
get { return _analyzerResults; }
set { _analyzerResults = value; RaisePropertyChangedAuto(); }
}
public Func<double, string> YFormatter { get; set; }
public RelayCommand OpenCSVFileCommand { get; set; }
public RelayCommand GenerateCommand { get; set; }
public MainWindowVM()
{
OpenCSVFileCommand = new RelayCommand(OpenCSVFile);
GenerateCommand = new RelayCommand(Generate, CanGenerate);
YFormatter = value => value.ToString();
_from = 0;
_to = 1;
XStep = 1;
AnalyzerResults = new ObservableCollection<IAnalyzerResult>();
_isRunning = false;
ResetAllAxes = false;
this.Points = new List<DataPoint>();
}
#region Read File
private void OpenCSVFile()
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "CSV Files|*.csv";
if (dlg.ShowDialog().Value)
{
try
{
OpenFilePath = dlg.FileName;
}
catch (Exception ex)
{
MessageBox.Show("An error occurred while trying to import the CSV file. " + ex.Message,
"Warning",
MessageBoxButton.OK,
MessageBoxImage.Warning);
}
}
}
protected virtual bool IsFileLocked(string filePath)
{
FileStream stream = null;
try
{
stream = File.Open(filePath, FileMode.Open, FileAccess.Read, FileShare.None);
}
catch (IOException ex)
{
MessageBox.Show("Warning: " + ex.Message, "Warning", MessageBoxButton.OK, MessageBoxImage.Warning);
return true;
}
finally
{
if (stream != null)
stream.Close();
}
return false;
}
#endregion
#region Generate
public bool CanGenerate()
{
return (OpenFilePath!= null && OpenFilePath.Length != 0 && File.Exists(OpenFilePath));
}
private async void Generate()
{
if (IsFileLocked(OpenFilePath))
return;
ResetSettings();
IAnalyzer analyzer = AnalysisService.GetAnalyzer(OpenFilePath);
if (analyzer == null)
return;
IsRunning = true;
AnalyzerAttribute attribute = (AnalyzerAttribute)analyzer.GetType().GetCustomAttributes(typeof(AnalyzerAttribute),true).FirstOrDefault();
TestName = attribute.Name;
List<DispenserCsvRow> data = CsvFile.Read<DispenserCsvRow>(new CsvSource(OpenFilePath)).ToList();
List<DispenserSample> samples = new List<DispenserSample>();
To = 0;
From = 0;
int index = 0;
bool in_test_range = false;
foreach (var item in data)
{
double pressure = 0;
if(item.Label == "Label")
{
item.Pressure = "0";
item.Command = "Label";
}
if (double.TryParse(item.Pressure, out pressure) || !String.IsNullOrWhiteSpace(item.Command))
{
samples.Add(new DispenserSample(){
Pressure = pressure,
Command = String.IsNullOrWhiteSpace(item.Command) ? null : item.Command,
Index = index
});
if(!String.IsNullOrWhiteSpace(item.Command))
{
in_test_range = !in_test_range;
}
if( pressure != 0 )
{
if (TestName.Contains( "SEAL") && Points.Count ==0)
{
_from = pressure;
}
else
_from = Math.Min(pressure, _from);
_to = Math.Max(pressure, _to);
Points.Add(new DataPoint(index, pressure));
}
index++;
}
}
data.Clear();
_to += 100;
RaisePropertyChanged("To");
if(_from != 0)
_from -= 100;
RaisePropertyChanged("From");
XStep = (int)(Points.Count / 5);
List<IAnalyzerResult> res = await analyzer.Process(samples);
AnalyzerResults = new ObservableCollection<IAnalyzerResult>(res);
IsRunning = false;
}
#endregion
private void ResetSettings()
{
Points.Clear();
ResetAllAxes = true;
AnalyzerResults.Clear();
TestName = "";
}
}
}
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