1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
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;
}
}
}
}