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ShrlAlgo
2025-07-11 09:20:23 +08:00
parent c7b104f44f
commit 4d35cadb56
840 changed files with 102347 additions and 11595 deletions
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27
ShrlAlgoToolkit.Mvvm/Converters/BooleanConverter.cs Normal file
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using System;
using System.Globalization;
using System.Windows.Data;
namespace ShrlAlgoToolkit.Mvvm.Converters;
public class BooleanConverter<T> : IValueConverter
{
public BooleanConverter(T trueValue, T falseValue)
{
TrueValue = trueValue;
FalseValue = falseValue;
}
public virtual object Convert(object value, Type targetType, object parameter, CultureInfo culture) =>
value is bool boolValue &&
boolValue
? TrueValue
: FalseValue;
public virtual object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) => value is T tValue &&
EqualityComparer<T>.Default.Equals(tValue, TrueValue);
public T FalseValue { get; set; }
public T TrueValue { get; set; }
}

13
ShrlAlgoToolkit.Mvvm/Converters/BooleanToVisConverter.cs Normal file
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@@ -0,0 +1,13 @@
using System;
using System.Linq;
using System.Windows;
namespace ShrlAlgoToolkit.Mvvm.Converters;
public class BooleanToVisConverter : BooleanConverter<Visibility>
{
public BooleanToVisConverter() : base(Visibility.Visible, Visibility.Collapsed)
{
}
}

2
ShrlAlgoToolkit.Mvvm/Converters/ColorToBrushConverter.cs
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@@ -4,7 +4,7 @@ using System.Windows.Media;
namespace ShrlAlgoToolkit.Mvvm.Converters;
public class ColorToBrushConverter: IValueConverter
public class ColorToBrushConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{

28
ShrlAlgoToolkit.Mvvm/Converters/EnumDescriptionExtension.cs Normal file
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@@ -0,0 +1,28 @@
using System;
using System.ComponentModel;
using System.Linq;
using System.Windows.Markup;
namespace ShrlAlgoToolkit.Mvvm.Converters
{
public class EnumDescriptionExtension : MarkupExtension
{
private readonly object _enumValue;
public EnumDescriptionExtension(object enumValue)
{
_enumValue = enumValue;
}
public override object ProvideValue(IServiceProvider serviceProvider)
{
if (_enumValue == null) return string.Empty;
var field = _enumValue.GetType().GetField(_enumValue.ToString());
var attribute = field?.GetCustomAttributes(typeof(DescriptionAttribute), false)
.FirstOrDefault() as DescriptionAttribute;
return attribute?.Description ?? _enumValue.ToString();
}
}
}

1
ShrlAlgoToolkit.Mvvm/Converters/EnumDescriptionTypeConverter.cs
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@@ -7,7 +7,6 @@ namespace ShrlAlgoToolkit.Mvvm.Converters;
/// <summary>
/// 枚举类上加特性[TypeConverter(typeof(EnumDescriptionTypeConverter))]
/// </summary>
//TODO 待测试
public class EnumDescriptionTypeConverter : EnumConverter
{
public EnumDescriptionTypeConverter(Type type) : base(type)

144
ShrlAlgoToolkit.Mvvm/Converters/EnumSourceAndConverter.cs
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@@ -11,83 +11,83 @@ namespace ShrlAlgoToolkit.Mvvm.Converters;
/// </summary>
public class EnumItemsSourceAndConverter : Collection<string>, IValueConverter
{
private IDictionary<object, object> displayNameToValueMap;
private Type type;
private IDictionary<object, object> displayNameToValueMap;
private Type type;
private IDictionary<object, object> valueToDisplayNameMap;
private IDictionary<object, object> valueToDisplayNameMap;
public Type Type
{
get => type;
set
{
if (!value.IsEnum)
{
throw new ArgumentException("不是枚举类型", $"{value}");
}
public Type Type
{
get => type;
set
{
if (!value.IsEnum)
{
throw new ArgumentException("不是枚举类型", $"{value}");
}
type = value;
Initialize();
}
}
type = value;
Initialize();
}
}
/// <summary>
/// 类属性到控件属性，源到目标
/// </summary>
/// <param name="value"></param>
/// <param name="targetType"></param>
/// <param name="parameter"></param>
/// <param name="culture"></param>
/// <returns></returns>
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
//if (value != null)
//{
// int n = (int)value;
// if (n == 0 || n == -1)
// {
// return null;
// }
//}
return value == null
? null
: valueToDisplayNameMap.TryGetValue(value, out var value1)
? value1
: null;
}
/// <summary>
/// 类属性到控件属性，源到目标
/// </summary>
/// <param name="value"></param>
/// <param name="targetType"></param>
/// <param name="parameter"></param>
/// <param name="culture"></param>
/// <returns></returns>
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
//if (value != null)
//{
// int n = (int)value;
// if (n == 0 || n == -1)
// {
// return null;
// }
//}
return value == null
? null
: valueToDisplayNameMap.TryGetValue(value, out var value1)
? value1
: null;
}
/// <summary>
/// 目标到源
/// </summary>
/// <param name="value"></param>
/// <param name="targetType"></param>
/// <param name="parameter"></param>
/// <param name="culture"></param>
/// <returns></returns>
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return value == null
? null
: displayNameToValueMap.TryGetValue(value, out var value1)
? value1
: null;
}
/// <summary>
/// 目标到源
/// </summary>
/// <param name="value"></param>
/// <param name="targetType"></param>
/// <param name="parameter"></param>
/// <param name="culture"></param>
/// <returns></returns>
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return value == null
? null
: displayNameToValueMap.TryGetValue(value, out var value1)
? value1
: null;
}
private static object GetDescription(FieldInfo fieldInfo)
{
var descriptionAttribute = (DescriptionAttribute)Attribute.GetCustomAttribute(fieldInfo, typeof(DescriptionAttribute));
return descriptionAttribute != null ? descriptionAttribute.Description : fieldInfo.Name;
}
private static object GetDescription(FieldInfo fieldInfo)
{
var descriptionAttribute = (DescriptionAttribute)Attribute.GetCustomAttribute(fieldInfo, typeof(DescriptionAttribute));
return descriptionAttribute != null ? descriptionAttribute.Description : fieldInfo.Name;
}
private void Initialize()
{
valueToDisplayNameMap = type.GetFields(BindingFlags.Static | BindingFlags.Public).ToDictionary(fi => fi.GetValue(null), GetDescription);
displayNameToValueMap = valueToDisplayNameMap.ToDictionary(kvp => kvp.Value, kvp => kvp.Key);
Clear();
//当前converter的集合添加元素
foreach (string name in displayNameToValueMap.Keys)
{
Add(name);
}
}
private void Initialize()
{
valueToDisplayNameMap = type.GetFields(BindingFlags.Static | BindingFlags.Public).ToDictionary(fi => fi.GetValue(null), GetDescription);
displayNameToValueMap = valueToDisplayNameMap.ToDictionary(kvp => kvp.Value, kvp => kvp.Key);
Clear();
//当前converter的集合添加元素
foreach (string name in displayNameToValueMap.Keys)
{
Add(name);
}
}
}

16
ShrlAlgoToolkit.Mvvm/Converters/InvertBooleanConverter.cs
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@@ -5,13 +5,13 @@ namespace ShrlAlgoToolkit.Mvvm.Converters;
public class InvertBooleanConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return value is bool b ? !b : value;
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return value is bool b ? !b : value;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return value is bool b ? !b : value;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return value is bool b ? !b : value;
}
}

12
ShrlAlgoToolkit.Mvvm/Converters/InverterBooleanToVisConverter.cs Normal file
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@@ -0,0 +1,12 @@
using System.Windows;
namespace ShrlAlgoToolkit.Mvvm.Converters;
public class InverterBooleanToVisConverter : BooleanConverter<Visibility>
{
public InverterBooleanToVisConverter() : base(Visibility.Collapsed, Visibility.Visible)
{
}
}

82
ShrlAlgoToolkit.Mvvm/Converters/MarkupConverters.cs Normal file
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@@ -0,0 +1,82 @@
using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
using System.Windows.Markup;
namespace ShrlAlgo.Toolkit.Wpf.Converters
{
[ValueConversion(typeof(bool), typeof(Visibility))]
public class BoolVisibilityConverter : MarkupExtension, IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return (value is bool b && b) ? Visibility.Visible : Visibility.Collapsed;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return value is Visibility v && v == Visibility.Visible;
}
public override object ProvideValue(IServiceProvider serviceProvider)
{
return this;
}
}
[ValueConversion(typeof(bool), typeof(Visibility))]
public class InverseBoolVisibilityConverter : MarkupExtension, IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return (bool)value! == false ? Visibility.Visible : Visibility.Collapsed;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return (Visibility)value! != Visibility.Visible;
}
public override object ProvideValue(IServiceProvider serviceProvider)
{
return this;
}
}
[ValueConversion(typeof(bool), typeof(bool))]
public class BooleanConverter : MarkupExtension, IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return (bool)value!;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return (bool)value!;
}
public override object ProvideValue(IServiceProvider serviceProvider)
{
return this;
}
}
[ValueConversion(typeof(bool), typeof(bool))]
public class InverseBooleanConverter : MarkupExtension, IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return !(bool)value!;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return !(bool)value!;
}
public override object ProvideValue(IServiceProvider serviceProvider)
{
return this;
}
}
}

37
ShrlAlgoToolkit.Mvvm/Converters/NotNullToVisibilityConverter.cs Normal file
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@@ -0,0 +1,37 @@
using System;
using System.Globalization;
using System.Linq;
using System.Windows;
using System.Windows.Data;
namespace ShrlAlgoToolkit.Mvvm.Converters
{
/// <summary>
/// Converts null or not null to a <see cref="Visibility" />.
/// </summary>
public class NotNullToVisibilityConverter : IValueConverter
{
/// <summary>
/// The visibility value if the argument is null.
/// </summary>
public Visibility NullValue { get; set; }
/// <summary>
/// Creates a new <see cref="NotNullToVisibilityConverter" />.
/// </summary>
public NotNullToVisibilityConverter()
{
NullValue = Visibility.Collapsed;
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return value == null ? NullValue : Visibility.Visible;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return Binding.DoNothing;
}
}
}

20
ShrlAlgoToolkit.Mvvm/Converters/NullToBooleanConverter.cs Normal file
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@@ -0,0 +1,20 @@
using System;
using System.Globalization;
using System.Linq;
using System.Windows.Data;
namespace ShrlAlgoToolkit.Mvvm.Converters
{
public class NullToBooleanConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return value != null;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}