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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
using Tango.FSE.Common;
using Tango.FSE.Insights.SciChart;
using Tango.SharedUI.Components;
namespace Tango.FSE.Insights.Dialogs
{
public class AnomaliesDialogViewVM : FSEDialogViewVM
{
private const int MAX_SELECTION = 8;
private ICollectionView _view;
public SelectedObjectCollection<InsightsChart> SelectedCharts { get; set; }
private String _filter;
public String Filter
{
get { return _filter; }
set { _filter = value; RaisePropertyChangedAuto(); OnFilterChanged(); }
}
public bool MaximumSelectionReached
{
get { return SelectedCharts.SynchedSource.Count > MAX_SELECTION; }
}
public AnomaliesDialogViewVM(List<InsightsChart> availableCharts, List<InsightsChart> selectedCharts)
{
OKText = "ANALYZE";
SelectedCharts = new SelectedObjectCollection<InsightsChart>(availableCharts.OrderByDescending(x => selectedCharts.Contains(x)).ToObservableCollection(), selectedCharts.ToObservableCollection());
SelectedCharts.SelectionChanged += SelectedCharts_SelectionChanged;
_view = CollectionViewSource.GetDefaultView(SelectedCharts);
_view.Filter = FilterCharts;
}
private bool FilterCharts(object obj)
{
if (String.IsNullOrWhiteSpace(Filter)) return true;
return (obj as SelectedObject<InsightsChart>).Data.Description.ToLower().Contains(Filter.ToLower());
}
private void SelectedCharts_SelectionChanged(object sender, EventArgs e)
{
RaisePropertyChanged(nameof(MaximumSelectionReached));
InvalidateRelayCommands();
}
protected override bool CanOK()
{
return base.CanOK() && SelectedCharts.SynchedSource.Count > 0 && !MaximumSelectionReached;
}
private void OnFilterChanged()
{
_view?.Refresh();
}
}
}
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