mirror of
https://gitee.com/langsisi_admin/serein-flow
synced 2026-03-13 04:59:24 +08:00
614 lines
26 KiB
C#
614 lines
26 KiB
C#
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using Serein.Script;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Data;
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using System.Windows.Media;
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using System.Windows;
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using System.Configuration;
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using System.ComponentModel.DataAnnotations;
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using System.Windows.Markup;
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using System.Reactive;
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namespace Serein.Workbench.Temp
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{
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[ContentProperty(nameof(XamlScript.Content))]
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public class XamlScript : FrameworkElement
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{
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/// <summary>
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/// 脚本节点内容
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/// </summary>
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public string? Content { get; set; }
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public override string ToString() => Content ?? string.Empty;
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}
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public enum XamlScriptTriggerType
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{
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/// <summary>
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/// 初始化时触发
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/// </summary>
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Loaded,
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/// <summary>
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/// 属性变更触发
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/// </summary>
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Property,
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/// <summary>
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/// 指定事件触发
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/// </summary>
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Event,
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/// <summary>
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/// 获得/失去焦点触发
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/// </summary>
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Focus
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}
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/*public enum FindPriorityType
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{
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/// <summary>
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/// 不查找
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/// </summary>
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None,
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/// <summary>
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/// 视觉优先
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/// </summary>
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Visual,
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/// <summary>
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/// 逻辑优先
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/// </summary>
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Logical,
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/// <summary>
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/// 仅视觉
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/// </summary>
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VisualOnly,
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/// <summary>
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/// 仅逻辑
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/// </summary>
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LogicalOnly,
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}*/
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public static class ScriptMethod
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{
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public static void debug(object value)
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{
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Debug.WriteLine(value);
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}
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}
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public static class XScript
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{
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static XScript()
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{
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LoadType(typeof(Serein.Library.ScriptBaseFunc));
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LoadType(typeof(ScriptMethod));
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}
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private static void LoadType(Type type)
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{
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// 获取方法
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var tempMethods = type.GetMethods().Where(method =>
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method.IsStatic &&
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!(method.Name.Equals("GetHashCode")
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|| method.Name.Equals("Equals")
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|| method.Name.Equals("ToString")
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|| method.Name.Equals("GetType")
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)).Select(method => (method.Name, method)).ToArray();
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// 挂在方法
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foreach ((string name, MethodInfo method) item in tempMethods)
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{
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SereinScript.AddStaticFunction(item.name, item.method);
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}
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}
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#region 附加属性定义
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public static readonly DependencyProperty XamlScriptProperty =
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DependencyProperty.RegisterAttached(
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"XamlScript",
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typeof(XamlScript),
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typeof(XScript),
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new PropertyMetadata(null, OnXamlScriptChanged));
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/// <summary>触发类型</summary>
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public static readonly DependencyProperty TriggerTypeProperty =
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DependencyProperty.RegisterAttached(
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"TriggerType",
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typeof(XamlScriptTriggerType),
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typeof(XScript),
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new PropertyMetadata(XamlScriptTriggerType.Loaded));
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/// <summary>触发属性名称</summary>
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public static readonly DependencyProperty TriggerNameProperty =
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DependencyProperty.RegisterAttached(
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"TriggerName",
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typeof(string),
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typeof(XScript),
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new PropertyMetadata(""));
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/// <summary>脚本返回结果，可用于外部绑定</summary>
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public static readonly DependencyProperty ReturnProperty =
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DependencyProperty.RegisterAttached(
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"Return",
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typeof(object),
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typeof(XScript),
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new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
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/// <summary>查找DataContent来源类型</summary>
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public static readonly DependencyProperty FindTypeProperty =
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DependencyProperty.RegisterAttached("FindType",
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typeof(Type),
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typeof(XScript),
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new PropertyMetadata(null));
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/*/// <summary>查找优先级</summary>
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public static readonly DependencyProperty FindPriorityProperty =
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DependencyProperty.RegisterAttached(
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"FindPriority",
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typeof(FindPriorityType),
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typeof(XScript),
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new PropertyMetadata(FindPriorityType.Visual));*/
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/* /// <summary>是否使用</summary>
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public static readonly DependencyProperty UseDataContextProperty =
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DependencyProperty.RegisterAttached(
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"UseDataContext",
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typeof(bool),
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typeof(XScript),
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new PropertyMetadata(true));*/
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public static void SetFindType(DependencyObject element, Type value) => element.SetValue(FindTypeProperty, value);
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public static Type GetFindType(DependencyObject element) => (Type)element.GetValue(FindTypeProperty);
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/* public static void SetFindPriority(DependencyObject element, FindPriorityType value) => element.SetValue(FindPriorityProperty, value);
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public static FindPriorityType GetFindPriority(DependencyObject element) => (FindPriorityType)element.GetValue(FindPriorityProperty);*/
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public static void SetXamlScript(DependencyObject element, XamlScript value) => element.SetValue(XamlScriptProperty, value);
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public static XamlScript GetXamlScript(DependencyObject element) => (XamlScript)element.GetValue(XamlScriptProperty);
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public static void SetTriggerType(DependencyObject element, XamlScriptTriggerType value) => element.SetValue(TriggerTypeProperty, value);
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public static XamlScriptTriggerType GetTriggerType(DependencyObject element) => (XamlScriptTriggerType)element.GetValue(TriggerTypeProperty);
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public static void SetTriggerName(DependencyObject element, string value) => element.SetValue(TriggerNameProperty, value);
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public static string GetTriggerName(DependencyObject element) => (string)element.GetValue(TriggerNameProperty);
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public static void SetReturn(DependencyObject element, object value) => element.SetValue(ReturnProperty, value);
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public static object GetReturn(DependencyObject element) => element.GetValue(ReturnProperty);
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/* public static void SetUseDataContext(DependencyObject element, bool value) => element.SetValue(UseDataContextProperty, value);
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public static bool GetUseDataContext(DependencyObject element) => (bool)element.GetValue(UseDataContextProperty);*/
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public static readonly DependencyProperty ParamData1Property = DependencyProperty.RegisterAttached("ParamData1", typeof(object), typeof(XScript), new PropertyMetadata(Unit.Default));
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public static readonly DependencyProperty ParamData2Property = DependencyProperty.RegisterAttached("ParamData2", typeof(object), typeof(XScript), new PropertyMetadata(Unit.Default));
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public static readonly DependencyProperty ParamData3Property = DependencyProperty.RegisterAttached("ParamData3", typeof(object), typeof(XScript), new PropertyMetadata(Unit.Default));
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public static readonly DependencyProperty ParamData4Property = DependencyProperty.RegisterAttached("ParamData4", typeof(object), typeof(XScript), new PropertyMetadata(Unit.Default));
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public static readonly DependencyProperty ParamData5Property = DependencyProperty.RegisterAttached("ParamData5", typeof(object), typeof(XScript), new PropertyMetadata(Unit.Default));
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public static readonly DependencyProperty ParamData6Property = DependencyProperty.RegisterAttached("ParamData6", typeof(object), typeof(XScript), new PropertyMetadata(Unit.Default));
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public static readonly DependencyProperty ParamData7Property = DependencyProperty.RegisterAttached("ParamData7", typeof(object), typeof(XScript), new PropertyMetadata(Unit.Default));
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public static readonly DependencyProperty ParamData8Property = DependencyProperty.RegisterAttached("ParamData8", typeof(object), typeof(XScript), new PropertyMetadata(Unit.Default));
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public static void SetParamData1(DependencyObject element, object value) => element.SetValue(ParamData1Property, value); public static object GetParamData1(DependencyObject element) => element.GetValue(ParamData1Property);
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public static void SetParamData2(DependencyObject element, object value) => element.SetValue(ParamData2Property, value); public static object GetParamData2(DependencyObject element) => element.GetValue(ParamData2Property);
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public static void SetParamData3(DependencyObject element, object value) => element.SetValue(ParamData3Property, value); public static object GetParamData3(DependencyObject element) => element.GetValue(ParamData3Property);
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public static void SetParamData4(DependencyObject element, object value) => element.SetValue(ParamData4Property, value); public static object GetParamData4(DependencyObject element) => element.GetValue(ParamData4Property);
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public static void SetParamData5(DependencyObject element, object value) => element.SetValue(ParamData5Property, value); public static object GetParamData5(DependencyObject element) => element.GetValue(ParamData5Property);
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public static void SetParamData6(DependencyObject element, object value) => element.SetValue(ParamData6Property, value); public static object GetParamData6(DependencyObject element) => element.GetValue(ParamData6Property);
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public static void SetParamData7(DependencyObject element, object value) => element.SetValue(ParamData7Property, value); public static object GetParamData7(DependencyObject element) => element.GetValue(ParamData7Property);
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public static void SetParamData8(DependencyObject element, object value) => element.SetValue(ParamData8Property, value); public static object GetParamData8(DependencyObject element) => element.GetValue(ParamData8Property);
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public static readonly DependencyProperty ParamName1Property = DependencyProperty.RegisterAttached("ParamName1", typeof(string), typeof(XScript), new PropertyMetadata(""));
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public static readonly DependencyProperty ParamName2Property = DependencyProperty.RegisterAttached("ParamName2", typeof(string), typeof(XScript), new PropertyMetadata(""));
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public static readonly DependencyProperty ParamName3Property = DependencyProperty.RegisterAttached("ParamName3", typeof(string), typeof(XScript), new PropertyMetadata(""));
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public static readonly DependencyProperty ParamName4Property = DependencyProperty.RegisterAttached("ParamName4", typeof(string), typeof(XScript), new PropertyMetadata(""));
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public static readonly DependencyProperty ParamName5Property = DependencyProperty.RegisterAttached("ParamName5", typeof(string), typeof(XScript), new PropertyMetadata(""));
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public static readonly DependencyProperty ParamName6Property = DependencyProperty.RegisterAttached("ParamName6", typeof(string), typeof(XScript), new PropertyMetadata(""));
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public static readonly DependencyProperty ParamName7Property = DependencyProperty.RegisterAttached("ParamName7", typeof(string), typeof(XScript), new PropertyMetadata(""));
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public static readonly DependencyProperty ParamName8Property = DependencyProperty.RegisterAttached("ParamName8", typeof(string), typeof(XScript), new PropertyMetadata(""));
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public static void SetParamName1(DependencyObject element, string value) => element.SetValue(ParamName1Property, value); public static string GetParamName1(DependencyObject element) => (string)element.GetValue(ParamName1Property);
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public static void SetParamName2(DependencyObject element, string value) => element.SetValue(ParamName2Property, value); public static string GetParamName2(DependencyObject element) => (string)element.GetValue(ParamName2Property);
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public static void SetParamName3(DependencyObject element, string value) => element.SetValue(ParamName3Property, value); public static string GetParamName3(DependencyObject element) => (string)element.GetValue(ParamName3Property);
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public static void SetParamName4(DependencyObject element, string value) => element.SetValue(ParamName4Property, value); public static string GetParamName4(DependencyObject element) => (string)element.GetValue(ParamName4Property);
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public static void SetParamName5(DependencyObject element, string value) => element.SetValue(ParamName5Property, value); public static string GetParamName5(DependencyObject element) => (string)element.GetValue(ParamName5Property);
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public static void SetParamName6(DependencyObject element, string value) => element.SetValue(ParamName6Property, value); public static string GetParamName6(DependencyObject element) => (string)element.GetValue(ParamName6Property);
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public static void SetParamName7(DependencyObject element, string value) => element.SetValue(ParamName7Property, value); public static string GetParamName7(DependencyObject element) => (string)element.GetValue(ParamName7Property);
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public static void SetParamName8(DependencyObject element, string value) => element.SetValue(ParamName8Property, value); public static string GetParamName8(DependencyObject element) => (string)element.GetValue(ParamName8Property);
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#endregion
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//private static void OnDataContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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//{
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// if (d is not FrameworkElement fe)
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// return;
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// if (e.NewValue is not Xaml xaml)
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// return;
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// BindLetsToDataContent(fe, xaml);
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//}
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private static void OnXamlScriptChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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if (d is not FrameworkElement fe)
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return;
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//if (e.NewValue is not Xaml xaml)
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// return;
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// 绑定上下文
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//BindLetsToContext(fe, xaml);
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var trigger = GetTriggerType(fe);
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fe.Loaded += (_, _) =>
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{
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switch (trigger)
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{
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case XamlScriptTriggerType.Focus:
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fe.GotFocus += (_, _) => RunScript(fe);
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fe.LostFocus += (_, _) => RunScript(fe);
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break;
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case XamlScriptTriggerType.Property:
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AttachPropertyTrigger(fe);
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break;
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case XamlScriptTriggerType.Event:
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HookEvent(fe);
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break;
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}
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// 动态绑定 Let 到 DataContent
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//BindLetsToDataContent(fe, xaml);
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if (GetTriggerType(fe) == XamlScriptTriggerType.Loaded)
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RunScript(fe);
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};
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}
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/*private static void BindLetsToDataContent(FrameworkElement fe, Xaml xaml)
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{
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if (fe == null || xaml?.Lets == null) return;
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// 获取 DataContent
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var dataContext = GetDataContent(fe);
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if (dataContext is null)
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{
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dataContext = fe.DataContext;
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}
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if (dataContext is null)
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{
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return;
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}
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foreach (var let in xaml.Lets)
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{
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if (let == null) continue;
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var bindingExpr = BindingOperations.GetBindingExpression(let, XamlLet.ValueProperty);
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if (bindingExpr != null)
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{
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// 取原始绑定
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var oldBinding = bindingExpr.ParentBinding;
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// 创建新绑定，复制原绑定设置
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var newBinding = new Binding
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{
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Path = oldBinding.Path,
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Mode = oldBinding.Mode,
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UpdateSourceTrigger = oldBinding.UpdateSourceTrigger,
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Converter = oldBinding.Converter,
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ConverterParameter = oldBinding.ConverterParameter,
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ConverterCulture = oldBinding.ConverterCulture,
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Source = dataContext // ? 新数据源
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};
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// 重新应用
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BindingOperations.SetBinding(fe, XamlLet.ValueProperty, newBinding);
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var data = fe.GetValue(XamlLet.ValueProperty);
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}
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|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 脚本执行逻辑
|
|||
|
|
private static void AttachPropertyTrigger(FrameworkElement fe)
|
|||
|
|
{
|
|||
|
|
var propName = GetTriggerName(fe);
|
|||
|
|
if (string.IsNullOrWhiteSpace(propName))
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
DependencyPropertyDescriptor dpd =
|
|||
|
|
DependencyPropertyDescriptor.FromName(propName, fe.GetType(), fe.GetType());
|
|||
|
|
|
|||
|
|
if (dpd != null)
|
|||
|
|
{
|
|||
|
|
dpd.AddValueChanged(fe, (_, _) => RunScript(fe));
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
// 非 DependencyProperty，监听普通属性
|
|||
|
|
var prop = fe.GetType().GetProperty(propName);
|
|||
|
|
if (prop != null)
|
|||
|
|
{
|
|||
|
|
if (fe is INotifyPropertyChanged notifier)
|
|||
|
|
{
|
|||
|
|
notifier.PropertyChanged += (s, ev) =>
|
|||
|
|
{
|
|||
|
|
if (ev.PropertyName == propName)
|
|||
|
|
RunScript(fe);
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static void HookEvent(FrameworkElement fe)
|
|||
|
|
{
|
|||
|
|
var eventName = GetTriggerName(fe);
|
|||
|
|
if (string.IsNullOrEmpty(eventName))
|
|||
|
|
{
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
var evt = fe.GetType().GetEvent(eventName, BindingFlags.Instance | BindingFlags.Public);
|
|||
|
|
if (evt == null)
|
|||
|
|
{
|
|||
|
|
Debug.WriteLine($"找不到事件 {eventName} 于 {fe.GetType().Name}");
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 动态创建一个与事件签名匹配的委托
|
|||
|
|
var handlerMethod = typeof(XScript).GetMethod(nameof(OnEventRaised),
|
|||
|
|
BindingFlags.NonPublic | BindingFlags.Static);
|
|||
|
|
|
|||
|
|
if (handlerMethod == null)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
var handler = Delegate.CreateDelegate(evt.EventHandlerType, handlerMethod);
|
|||
|
|
evt.AddEventHandler(fe, handler);
|
|||
|
|
|
|||
|
|
// 将 fe 和 xaml 映射保存，方便在回调时取出上下文
|
|||
|
|
//_eventContext[fe] = xaml;
|
|||
|
|
}
|
|||
|
|
//private static readonly Dictionary<object, object> _eventContext = new();
|
|||
|
|
|
|||
|
|
private static void OnEventRaised(object sender, EventArgs e)
|
|||
|
|
{
|
|||
|
|
if (sender is FrameworkElement fe)
|
|||
|
|
{
|
|||
|
|
//&& _eventContext.TryGetValue(fe, out var xaml)
|
|||
|
|
RunScript(fe);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static async void RunScript(FrameworkElement fe)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
var result = await ExecuteScriptAsync(fe);
|
|||
|
|
fe.SetValue(ReturnProperty, result);
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
Debug.WriteLine(ex.ToString());
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static (string?, object?) GetGetParamFunc(FrameworkElement fe, int index)
|
|||
|
|
{
|
|||
|
|
Func<DependencyObject, string> getNamefunc = index switch
|
|||
|
|
{
|
|||
|
|
1 => GetParamName1,
|
|||
|
|
2 => GetParamName2,
|
|||
|
|
3 => GetParamName3,
|
|||
|
|
4 => GetParamName4,
|
|||
|
|
5 => GetParamName5,
|
|||
|
|
6 => GetParamName6,
|
|||
|
|
7 => GetParamName7,
|
|||
|
|
8 => GetParamName8,
|
|||
|
|
_ => throw new NotImplementedException()
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
Func<DependencyObject, object> getDatafunc = index switch
|
|||
|
|
{
|
|||
|
|
1 => GetParamData1,
|
|||
|
|
2 => GetParamData2,
|
|||
|
|
3 => GetParamData3,
|
|||
|
|
4 => GetParamData4,
|
|||
|
|
5 => GetParamData5,
|
|||
|
|
6 => GetParamData6,
|
|||
|
|
7 => GetParamData7,
|
|||
|
|
8 => GetParamData8,
|
|||
|
|
_ => throw new NotImplementedException()
|
|||
|
|
};
|
|||
|
|
var name = getNamefunc?.Invoke(fe);
|
|||
|
|
var data = getDatafunc?.Invoke(fe);
|
|||
|
|
return (name, data);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static async Task<object?> ExecuteScriptAsync(FrameworkElement fe)
|
|||
|
|
{
|
|||
|
|
var script = GetXamlScript(fe);
|
|||
|
|
if (script is null || string.IsNullOrWhiteSpace(script.Content))
|
|||
|
|
{
|
|||
|
|
Debug.WriteLine($"[{fe.Name}] 脚本为空跳过执行 ({DateTime.Now:T})");
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
Debug.WriteLine($"[{fe.Name}] 执行脚本 ({DateTime.Now:T})");
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
IScriptInvokeContext invokeContext = new ScriptInvokeContext();
|
|||
|
|
Dictionary<string, Type> letTypes = new Dictionary<string, Type>();
|
|||
|
|
|
|||
|
|
for(var i = 1; i <= 8; i++)
|
|||
|
|
{
|
|||
|
|
(var name,var data) = GetGetParamFunc(fe,i);
|
|||
|
|
if(name is null || data is null
|
|||
|
|
|| string.IsNullOrEmpty(name))
|
|||
|
|
{
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
var type = data.GetType();
|
|||
|
|
letTypes[name] = type;
|
|||
|
|
invokeContext.SetVarValue(name, data);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
SereinScript sereinScript = new SereinScript();
|
|||
|
|
sereinScript.ParserScript(script.Content, letTypes);
|
|||
|
|
var result = await sereinScript.InterpreterAsync(invokeContext);
|
|||
|
|
|
|||
|
|
Debug.WriteLine("脚本执行结束\n");
|
|||
|
|
return result;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 获取绑定值
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="fe"></param>
|
|||
|
|
/// <param name="let"></param>
|
|||
|
|
/// <param name="dataContext"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
/* private static object? GetBindingValue(FrameworkElement fe, XamlLet let, object dataContext)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
var bindingExpr = BindingOperations.GetBindingExpression(let, XamlLet.ValueProperty);
|
|||
|
|
if (bindingExpr != null)
|
|||
|
|
{
|
|||
|
|
// 取原始绑定
|
|||
|
|
Binding oldBinding = bindingExpr.ParentBinding;
|
|||
|
|
|
|||
|
|
//var rs = oldBinding.RelativeSource;
|
|||
|
|
// 创建新绑定，复制原绑定设置
|
|||
|
|
var newBinding = new Binding
|
|||
|
|
{
|
|||
|
|
Path = oldBinding.Path,
|
|||
|
|
Mode = oldBinding.Mode,
|
|||
|
|
UpdateSourceTrigger = oldBinding.UpdateSourceTrigger,
|
|||
|
|
Converter = oldBinding.Converter,
|
|||
|
|
ConverterParameter = oldBinding.ConverterParameter,
|
|||
|
|
ConverterCulture = oldBinding.ConverterCulture,
|
|||
|
|
Source = dataContext
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// 重新应用
|
|||
|
|
BindingOperations.SetBinding(fe, XamlLet.ValueProperty, newBinding);
|
|||
|
|
var data = fe.GetValue(XamlLet.ValueProperty);
|
|||
|
|
return data;
|
|||
|
|
}
|
|||
|
|
return null;
|
|||
|
|
}*/
|
|||
|
|
/*private static FrameworkElement GetParent(FrameworkElement fe)
|
|||
|
|
{
|
|||
|
|
var type = GetFindType(fe);
|
|||
|
|
if (type is null)
|
|||
|
|
{
|
|||
|
|
return fe;
|
|||
|
|
}
|
|||
|
|
var priority = GetFindPriority(fe);
|
|||
|
|
|
|||
|
|
if (priority == FindPriorityType.VisualOnly)
|
|||
|
|
{
|
|||
|
|
if (FindVisualParent(fe, type) is FrameworkElement element)
|
|||
|
|
{
|
|||
|
|
return element;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (priority == FindPriorityType.LogicalOnly)
|
|||
|
|
{
|
|||
|
|
if (FindLogicalParent(fe, type) is FrameworkElement element)
|
|||
|
|
{
|
|||
|
|
return element;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (priority == FindPriorityType.Visual)
|
|||
|
|
{
|
|||
|
|
if (FindVisualParent(fe, type) is FrameworkElement element)
|
|||
|
|
{
|
|||
|
|
return element;
|
|||
|
|
}
|
|||
|
|
if (FindVisualParent(fe, type) is FrameworkElement element2)
|
|||
|
|
{
|
|||
|
|
return element2;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (priority == FindPriorityType.Logical)
|
|||
|
|
{
|
|||
|
|
if (FindVisualParent(fe, type) is FrameworkElement element)
|
|||
|
|
{
|
|||
|
|
return element;
|
|||
|
|
}
|
|||
|
|
if (FindVisualParent(fe, type) is FrameworkElement element2)
|
|||
|
|
{
|
|||
|
|
return element2;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return fe;
|
|||
|
|
}*/
|
|||
|
|
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 视觉树查找控件
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="child"></param>
|
|||
|
|
/// <param name="targetType"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
private static DependencyObject? FindVisualParent(DependencyObject child, Type targetType)
|
|||
|
|
{
|
|||
|
|
DependencyObject? current = child;
|
|||
|
|
|
|||
|
|
while (current != null)
|
|||
|
|
{
|
|||
|
|
current = VisualTreeHelper.GetParent(current);
|
|||
|
|
if (current != null && targetType.IsAssignableFrom(current.GetType()))
|
|||
|
|
return current;
|
|||
|
|
}
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 逻辑树查找控件
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="child"></param>
|
|||
|
|
/// <param name="targetType"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
private static DependencyObject? FindLogicalParent(DependencyObject child, Type targetType)
|
|||
|
|
{
|
|||
|
|
DependencyObject? current = child;
|
|||
|
|
|
|||
|
|
while (current != null)
|
|||
|
|
{
|
|||
|
|
current = LogicalTreeHelper.GetParent(current);
|
|||
|
|
if (current != null && targetType.IsAssignableFrom(current.GetType()))
|
|||
|
|
return current;
|
|||
|
|
}
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
