public UsingPieChartExampleViewModel() { _oneSelectedSegment = new PieSegmentViewModel { Value = 60, Name = "Fruit", IsSelected = true }; SegmentsDataCollection = new ObservableCollection <IPieSegmentViewModel> { _oneSelectedSegment, new PieSegmentViewModel { Value = 46, Name = "Protein" }, new PieSegmentViewModel { Value = 36, Name = "Vegetables" }, new PieSegmentViewModel { Value = 30, Name = "Diary" }, new PieSegmentViewModel { Value = 18, Name = "Grains" }, new PieSegmentViewModel { Value = 10, Name = "Other" }, }; SelectedSegment = _oneSelectedSegment; AddNewItem = new ActionCommand(() => { SegmentsDataCollection.Add(new PieSegmentViewModel { Value = NewSegmentValue.ToDouble(), Name = NewSegmentText, Fill = ToGradient(((SolidColorBrush)NewSegmentBrush.Brush).Color), Stroke = ToShade(((SolidColorBrush)NewSegmentBrush.Brush).Color, 0.8), IsSelected = true, }); }, () => { return(!NewSegmentText.IsNullOrEmpty() && (!NewSegmentValue.IsNullOrEmpty() && NewSegmentValue.ToDouble() > 0) && NewSegmentBrush != null); }); DeleteSegment = new ActionCommand(() => { SegmentsDataCollection.RemoveAt(0); }); SegmentSelectionCommand = new ActionCommand <NotifyCollectionChangedEventArgs>(OnSegmentSelectionExecute); }
public UsingDonutChartExampleViewModel() { _donutModels = new ObservableCollection <IPieSegmentViewModel> { new DonutSegmentViewModel { Value = 48, Name = "Rent", Stroke = ToShade(Colors.Orange, 0.8), Fill = ToGradient(Colors.Orange), StrokeThickness = 2 }, new DonutSegmentViewModel { Value = 19, Name = "Food", Stroke = ToShade(Colors.Green, 0.8), Fill = ToGradient(Colors.Green), StrokeThickness = 2 }, new DonutSegmentViewModel { Value = 9, Name = "Utilities", Stroke = ToShade(Colors.DodgerBlue, 0.8), Fill = ToGradient(Colors.DodgerBlue), StrokeThickness = 2 }, new DonutSegmentViewModel { Value = 9, Name = "Fun", Stroke = ToShade(Colors.Gray, 0.8), Fill = ToGradient(Colors.Gray), StrokeThickness = 2 }, new DonutSegmentViewModel { Value = 10, Name = "Clothes", Stroke = ToShade(Colors.Firebrick, 0.8), Fill = ToGradient(Colors.Firebrick), StrokeThickness = 2 }, new DonutSegmentViewModel { Value = 5, Name = "Phone", Stroke = ToShade(Colors.DarkSalmon, 0.8), Fill = ToGradient(Colors.DarkSalmon), StrokeThickness = 2 } }; AddNewItemCommand = new ActionCommand(() => { _donutModels.Add(new DonutSegmentViewModel { Value = NewSegmentValue.ToDouble(), Name = NewSegmentText, Fill = ToGradient(((SolidColorBrush)NewSegmentBrush.Brush).Color), Stroke = ToShade(((SolidColorBrush)NewSegmentBrush.Brush).Color, 0.8) }); }, () => { return(!NewSegmentText.IsNullOrEmpty() && (!NewSegmentValue.IsNullOrEmpty() && NewSegmentValue.ToDouble() > 0) && NewSegmentBrush != null); }); SegmentSelectionCommand = new ActionCommand <NotifyCollectionChangedEventArgs>(OnSegmentSelectionExecute); }