70 lines
1.8 KiB
C#
70 lines
1.8 KiB
C#
using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Interactivity;
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using Avalonia.Markup.Xaml;
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using DataLayer;
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namespace LibationAvalonia.Controls
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{
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public partial class MyRatingGridColumn : DataGridBoundColumn
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{
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private static Rating DefaultRating => new Rating(0, 0, 0);
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public MyRatingGridColumn()
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{
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AvaloniaXamlLoader.Load(this);
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BindingTarget = MyRatingCellEditor.RatingProperty;
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}
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protected override IControl GenerateElement(DataGridCell cell, object dataItem)
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{
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var myRatingElement = new MyRatingCellEditor
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{
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Name = "CellMyRatingDisplay",
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HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Left,
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VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center,
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IsEditingMode = false,
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Margin = new Thickness(3),
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IsEnabled = false
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};
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ToolTip.SetTip(cell, "Click to change ratings");
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if (Binding != null)
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{
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myRatingElement.Bind(BindingTarget, Binding);
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}
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return myRatingElement;
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}
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protected override IControl GenerateEditingElementDirect(DataGridCell cell, object dataItem)
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{
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var myRatingElement = new MyRatingCellEditor
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{
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Name = "CellMyRatingCellEditor",
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HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Left,
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VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center,
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IsEditingMode = true,
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Margin = new Thickness(3)
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};
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ToolTip.SetTip(cell, null);
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return myRatingElement;
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}
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protected override object PrepareCellForEdit(IControl editingElement, RoutedEventArgs editingEventArgs)
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=> editingElement is MyRatingCellEditor myRating
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? myRating.Rating
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: DefaultRating;
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protected override void CancelCellEdit(IControl editingElement, object uneditedValue)
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{
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if (editingElement is MyRatingCellEditor myRating)
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{
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var uneditedRating = uneditedValue as Rating;
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myRating.Rating = uneditedRating ?? DefaultRating;
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}
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}
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}
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}
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