添加 Set1Behavior 行为

Project.FLY.ControlLibrary/FLY.ControlLibrary/Set1Action.cs

+using Microsoft.Xaml.Behaviors;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Input;
+
+namespace FLY.ControlLibrary
+{
+    /// <summary>
+    /// 后台添加功能，按钮 click事件 属性=true
+    /// </summary>
+    public class Set1Action : IDisposable
+    {
+        /// <summary>
+        /// 对象
+        /// </summary>
+        public object obj;
+        /// <summary>
+        /// bool 属性
+        /// </summary>
+        public string propertyname;
+        /// <summary>
+        /// 按下时为 true
+        /// </summary>
+        public bool pressIsTrue;
+        UIElement uIElement;
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="uIElement"></param>
+        /// <param name="obj"></param>
+        /// <param name="propertyname"></param>
+        public Set1Action(UIElement uIElement, object obj, string propertyname)
+        {
+            this.uIElement = uIElement;
+            this.obj = obj;
+            this.propertyname = propertyname;
+
+            uIElement.PreviewMouseDown += UIElement_PreviewMouseDown;
+            uIElement.PreviewTouchDown += UIElement_PreviewTouchDown;
+        }
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="uIElement"></param>
+        /// <param name="propertyname"></param>
+        public Set1Action(UIElement uIElement, string propertyname) : this(uIElement, null, propertyname) 
+        {
+        
+        }
+        public void Dispose()
+        {
+            uIElement.PreviewMouseDown -= UIElement_PreviewMouseDown;
+            uIElement.PreviewTouchDown -= UIElement_PreviewTouchDown;
+        }
+
+
+        
+        private void UIElement_PreviewTouchDown(object sender, TouchEventArgs e)
+        {
+            Down();
+        }
+        
+        private void UIElement_PreviewMouseDown(object sender, MouseButtonEventArgs e)
+        {
+            Down();
+        }
+
+        bool IsObjNull()
+        {
+            if (obj == null)
+            {
+                if (uIElement is FrameworkElement)
+                {
+                    obj = (uIElement as FrameworkElement).DataContext;
+                    if (obj == null)
+                        return true;
+                }
+                else
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+        void Down()
+        {
+            if (IsObjNull()) return;
+
+            Misc.PropertiesManager.SetValue(obj, propertyname, true);
+        }
+
+    }
+
+
+    /// <summary>
+    /// Set1Action 的 XAML 版 ，附加行为。
+    /// </summary>
+    public class Set1Behavior : Behavior<UIElement>
+    {
+        public System.Windows.Data.Binding Binding { get; set; }
+        Set1Action set1Action = null;
+        public Set1Behavior()
+        {
+        }
+
+        protected override void OnAttached()
+        {
+            base.OnAttached();
+            UIElement dobj = AssociatedObject;
+            if (Binding != null && Binding.Path != null)
+            {
+                if (Binding.Source != null)
+                {
+                    set1Action = new Set1Action(dobj, Binding.Source, Binding.Path.Path);
+                }
+                else
+                {
+                    var obj = COMMON.GetDataContext(dobj);
+                    if (obj == null)
+                    {
+                        set1Action = new Set1Action(dobj, Binding.Path.Path);
+                    }
+                    else
+                    {
+                        set1Action = new Set1Action(dobj, obj, Binding.Path.Path);
+                    }
+                }
+            }
+        }
+
+        protected override void OnDetaching()
+        {
+            base.OnDetaching();
+            if (set1Action != null)
+            {
+                set1Action.Dispose();
+                set1Action = null;
+            }
+
+        }
+    }
+}