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优化绑定写法

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This commit is contained in:
小红帽 2023-11-25 16:21:34 +08:00
parent 4254f39fc5
commit 7b64b82032
4 changed files with 179 additions and 6 deletions
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100
CPF/AttachedProperties.cs
View File

@ -212,4 +212,104 @@ namespace CPF
return false;
}
}
/// <summary>
/// 绑定附加属性
/// </summary>
public class AttachedDescribe : BindingDescribe
{
/// <summary>
/// 设置和绑定附加属性
/// </summary>
/// <param name="value"></param>
/// <param name="sourceProperty"></param>
public AttachedDescribe(object value, string sourceProperty) : base(sourceProperty)
{
Value = value;
}
/// <summary>
/// 设置和绑定附加属性
/// </summary>
/// <param name="value"></param>
/// <param name="sourceProperty"></param>
/// <param name="binding"></param>
public AttachedDescribe(object value, string sourceProperty, BindingMode binding) : base(sourceProperty, binding)
{
Value = value;
}
/// <summary>
/// 设置和绑定附加属性
/// </summary>
/// <param name="value"></param>
/// <param name="source"></param>
/// <param name="sourceProperty"></param>
/// <param name="binding"></param>
public AttachedDescribe(object value, object source, string sourceProperty, BindingMode binding) : base(source, sourceProperty, binding)
{
Value = value;
}
/// <summary>
/// 设置和绑定附加属性
/// </summary>
/// <param name="value"></param>
/// <param name="source"></param>
/// <param name="sourceProperty"></param>
public AttachedDescribe(object value, object source, string sourceProperty) : base(source, sourceProperty)
{
Value = value;
}
/// <summary>
/// 设置和绑定附加属性
/// </summary>
/// <param name="value"></param>
/// <param name="source"></param>
/// <param name="sourceProperty"></param>
/// <param name="convert"></param>
public AttachedDescribe(object value, object source, string sourceProperty, Func<object, object> convert) : base(source, sourceProperty, convert)
{
Value = value;
}
/// <summary>
/// 设置和绑定附加属性
/// </summary>
/// <param name="value"></param>
/// <param name="source"></param>
/// <param name="sourceProperty"></param>
/// <param name="binding"></param>
/// <param name="convert"></param>
public AttachedDescribe(object value, object source, string sourceProperty, BindingMode binding, Func<object, object> convert) : base(source, sourceProperty, binding, convert)
{
Value = value;
}
/// <summary>
/// 设置和绑定附加属性
/// </summary>
/// <param name="value"></param>
/// <param name="source"></param>
/// <param name="sourceProperty"></param>
/// <param name="binding"></param>
/// <param name="convert"></param>
/// <param name="convertBack"></param>
public AttachedDescribe(object value, object source, string sourceProperty, BindingMode binding, Func<object, object> convert, Func<object, object> convertBack) : base(source, sourceProperty, binding, convert, convertBack)
{
Value = value;
}
/// <summary>
/// 设置和绑定附加属性
/// </summary>
/// <param name="value"></param>
/// <param name="source"></param>
/// <param name="sourceProperty"></param>
/// <param name="binding"></param>
/// <param name="convert"></param>
/// <param name="convertBack"></param>
/// <param name="SourceToTargetError"></param>
/// <param name="TargetToSourceError"></param>
public AttachedDescribe(object value, object source, string sourceProperty, BindingMode binding, Func<object, object> convert, Func<object, object> convertBack, Action<Binding, object, Exception> SourceToTargetError, Action<Binding, object, Exception> TargetToSourceError) : base(source, sourceProperty, binding, convert, convertBack, SourceToTargetError, TargetToSourceError)
{
Value = value;
}
public object Value { get; set; }
}
}

51
CPF/BindingDescribe.cs
View File

@ -64,7 +64,7 @@ namespace CPF
this.TargetToSourceError = TargetToSourceError;
}
public BindingDescribe(Action<CpfObject, object> command)
public BindingDescribe(CommandDescribe command)
{
Command = command;
}
@ -78,7 +78,7 @@ namespace CPF
/// <summary>
/// 简化绑定命令的命令，如果设置了该属性，则使用命令绑定
/// </summary>
public Action<CpfObject, object> Command { get; set; }
public CommandDescribe Command { get; set; }
//public CpfObject Owner { get; internal set; }
@ -349,7 +349,7 @@ namespace CPF
{
return new BindingDescribe { PropertyName = sourceProperty };
}
public static explicit operator BindingDescribe(Action<CpfObject, object> command)
public static implicit operator BindingDescribe(CommandDescribe command)
{
return new BindingDescribe { Command = command };
}
@ -392,5 +392,50 @@ namespace CPF
return base.GetHashCode();
}
}
/// <summary>
/// 命令绑定
/// </summary>
public class CommandDescribe
{
public Action<CpfObject, object> Action { get; set; }
public string MethodName { get; set; }
public object[] Parameters { get; set; }
public object Target { get; set; }
public Func<UIElement, UIElement> Find { get; set; }
/// <summary>
/// 用委托定义个命令绑定
/// </summary>
/// <param name="command"></param>
public CommandDescribe(Action<CpfObject, object> command)
{
Action = command;
}
/// <summary>
/// 定义个命令绑定
/// </summary>
/// <param name="methodName"></param>
/// <param name="obj"></param>
/// <param name="ps"></param>
public CommandDescribe(string methodName, object obj = null, params object[] ps)
{
MethodName = methodName;
Parameters = ps;
Target = obj;
}
/// <summary>
/// 查找元素并绑定命令
/// </summary>
/// <param name="methodName"></param>
/// <param name="find"></param>
/// <param name="ps"></param>
public CommandDescribe(string methodName, Func<UIElement, UIElement> find, params object[] ps)
{
MethodName = methodName;
Parameters = ps;
Find = find;
}
}
}

2
CPF/Controls/CodeTextBox/LineNumber.cs
View File

@ -11,9 +11,11 @@ using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel;
namespace CPF.Controls
{
[Browsable(false)]
public class LineNumber : Control
{

32
CPF/CpfObject.cs
View File

@ -193,7 +193,21 @@ namespace CPF
{
if (value.Command != null)
{
Commands.Add(propertyName, value.Command);
if (value.Command.Action != null)
{
Commands.Add(propertyName, value.Command.Action);
}
else if (!string.IsNullOrWhiteSpace(value.Command.MethodName))
{
if (value.Command.Find != null)
{
Commands.Add(propertyName, value.Command.MethodName, value.Command.Find, value.Command.Parameters);
}
else
{
Commands.Add(propertyName, value.Command.MethodName, value.Command.Target, value.Command.Parameters);
}
}
}
else
{
@ -232,8 +246,20 @@ namespace CPF
var type = attached.GetType();
try
{
var p = typeof(OptionalParameter<>).MakeGenericType(type.GetGenericArguments()[0]);
attached.Method.FastInvoke(attached.Target, this, Activator.CreateInstance(p, value));
if (value is AttachedDescribe describe)
{
var p = typeof(OptionalParameter<>).MakeGenericType(type.GetGenericArguments()[0]);
attached.Method.FastInvoke(attached.Target, this, Activator.CreateInstance(p, describe.Value));
var targetType = attached.Target.GetType();
var field = targetType.GetField("propertyName");
var name = field.FastGetValue(attached.Target).ToString();
AttachedNotify.Bindings.Add(name, describe.PropertyName, describe.Source, describe.BindingMode, describe.Convert, describe.ConvertBack, describe.SourceToTargetError, describe.TargetToSourceError);
}
else
{
var p = typeof(OptionalParameter<>).MakeGenericType(type.GetGenericArguments()[0]);
attached.Method.FastInvoke(attached.Target, this, Activator.CreateInstance(p, value));
}
}
catch (Exception e)
{