feat: logic converters

2026-02-26 11:36:32 +03:00
parent 77371f656a
commit e573bfe54d
6 changed files with 324 additions and 0 deletions
@@ -0,0 +1,58 @@
+using System.Globalization;
+
+using Avalonia.Data.Converters;
+
+namespace GSS2.UI.Core.Converters;
+
+public class GreaterThanConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is null && parameter is null)
+            return true;
+
+        if (value is null || parameter is null)
+            return false;
+
+        var valueType = value.GetType();
+        var paramType = parameter.GetType();
+
+        if (valueType == paramType)
+        {
+            var greaterThan = valueType.GetMethods(System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)
+                .FirstOrDefault(m => m.Name.EndsWith("op_GreaterThan"));
+            if (greaterThan is not null)
+            {
+                try
+                {
+                    return greaterThan.Invoke(null, [value, parameter]);
+                }
+                catch
+                { }
+            }
+        }
+
+        if (parameter is string ps)
+            return value switch
+            {
+                byte v => byte.TryParse(ps, out var p) && v > p,
+                short v => short.TryParse(ps, out var p) && v > p,
+                ushort v => ushort.TryParse(ps, out var p) && v > p,
+                int v => int.TryParse(ps, out var p) && v > p,
+                uint v => uint.TryParse(ps, out var p) && v > p,
+                long v => long.TryParse(ps, out var p) && v > p,
+                ulong v => ulong.TryParse(ps, out var p) && v > p,
+                float v => float.TryParse(ps, out var p) && v > p,
+                double v => double.TryParse(ps, out var p) && v > p,
+                decimal v => decimal.TryParse(ps, out var p) && v > p,
+                _ => false
+            };
+
+        return false;
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+}