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CurveSettingsViewModel.cs
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CurveSettingsViewModel.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using Caliburn.Micro;
using FreePIE.Core.Persistence;
using FreePIE.GUI.Events;
using FreePIE.GUI.Result;
using FreePIE.GUI.Views.Curves;
using IEventAggregator = FreePIE.Core.Common.Events.IEventAggregator;
namespace FreePIE.GUI.Shells.Curves
{
public class CurveSettingsViewModel : ShellPresentationModel, Core.Common.Events.IHandle<DeleteCurveEvent>
{
private readonly ISettingsManager settingsManager;
private readonly Func<CurveViewModel> curveModelFactory;
public CurveSettingsViewModel(IResultFactory resultFactory, ISettingsManager settingsManager, Func<CurveViewModel> curveModelFactory, IEventAggregator eventAggregator) : base(resultFactory)
{
this.settingsManager = settingsManager;
this.curveModelFactory = curveModelFactory;
DisplayName = "Curve settings";
CreateCurvesModel();
eventAggregator.Subscribe(this);
}
public void Handle(DeleteCurveEvent message)
{
settingsManager.Settings.RemoveCurve(message.CurveViewModel.Curve);
Curves.Remove(message.CurveViewModel);
}
private void CreateCurvesModel()
{
Curves = new BindableCollection<CurveViewModel>(settingsManager.Settings.Curves.Select(c => curveModelFactory().Configure(c)));
}
public IEnumerable<IResult> AddCurve()
{
var result = Result.ShowDialog<NewCurveViewModel>();
yield return result;
if (result.Model.NewCurve != null)
{
settingsManager.Settings.AddNewCurve(result.Model.NewCurve);
CreateCurvesModel();
}
}
private BindableCollection<CurveViewModel> curves;
public BindableCollection<CurveViewModel> Curves
{
get { return curves; }
set
{
curves = value;
NotifyOfPropertyChange(() => Curves);
}
}
}
}