39 lines
1.2 KiB
C#
39 lines
1.2 KiB
C#
using Telerik.WinControls.UI;
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namespace Pilz.UI.Telerik.Extensions;
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public static class RadListDataItemCollectionExtensions
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{
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public static IEnumerable<RadListDataItem> AddEnumValues<T>(this RadListDataItemCollection @this) where T : struct, Enum
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{
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return AddEnumValues<T>(@this, false);
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}
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public static IEnumerable<RadListDataItem> AddEnumValues<T>(this RadListDataItemCollection @this, bool clearCollection) where T : struct, Enum
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{
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return AddEnumValues<T>(@this, clearCollection, null, null);
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}
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public static IEnumerable<RadListDataItem> AddEnumValues<T>(this RadListDataItemCollection @this, bool clearCollection, Func<T, bool>? filter, Func<T, string?>? format) where T : struct, Enum
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{
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var values = Enum.GetValues(typeof(T));
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var items = new List<RadListDataItem>();
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if (format == null)
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format = v => Enum.GetName(typeof(T), v);
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if (clearCollection)
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@this.Clear();
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foreach (T value in values)
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{
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if (filter is null || filter(value))
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items.Add(new(format(value), value));
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}
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@this.AddRange(items);
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return items;
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}
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}
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