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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
using System;
using UIKit;
using CoreGraphics;
using Shared.IO;
using Foundation;
 
namespace Shared
{
    /// <summary>
    /// 在滑动事件下,可显示隐藏些自定义视图
    /// </summary>
    public class RowLayout : ViewGroup
    {
        /// <summary>
        /// 右边的视图列表
        /// </summary>
        System.Collections.Generic.List<Button> leftView = new System.Collections.Generic.List<Button>();
        /// <summary>
        /// 右边的视图列表
        /// </summary>
        System.Collections.Generic.List<Button> rigthView = new System.Collections.Generic.List<Button>();
        /// <summary>
        /// 下面那边张
        /// </summary>
        UIView lineUIView = new UIView();
 
        /// <summary>
        /// 重新刷新控件
        /// </summary>
        public override void Refresh()
        {
            base.Refresh();
            LineColor = lineColor;
        }
        /// <summary>
        /// 控件宽度
        /// </summary>
        public override int Width
        {
            get
            {
                return base.Width;
            }
            set
            {
                base.Width = value;
                if (!IsCanRefresh)
                    return;
 
                var frame4 = lineUIView.Frame;
                frame4.Width = base.Width;
                lineUIView.Frame = frame4;
            }
        }
 
        /// <summary>
        /// 子视图的宽度
        /// </summary>
        public int SubViewWidth = 70;
 
        /// <summary>
        /// 控件的高度
        /// </summary>
        /// <value>The height.</value>
        public override int Height
        {
            get
            {
                return base.Height;
            }
            set
            {
                base.Height = value;
                if (!IsCanRefresh)
                    return;
 
                {
                    var frame = realViewGroup.Frame;
                    frame.Height = Height;
                    realViewGroup.Frame = frame;
                }
 
                var frame4 = lineUIView.Frame;
                frame4.Y = base.Height - frame4.Height;
                lineUIView.Frame = frame4;
            }
        }
 
        uint lineColor = 0x80818181;
        /// <summary>
        /// 背景颜色
        /// </summary>
        /// <value>The color of the background.</value>
        public virtual uint LineColor
        {
            get
            {
                return lineColor;
            }
            set
            {
                lineColor = value;
                if (!IsCanRefresh)
                {
                    return;
                }
                byte r, g, b, a;
                r = (byte)(lineColor / 256 / 256 % 256);
                g = (byte)(lineColor / 256 % 256);
                b = (byte)(lineColor % 256);
                a = (byte)(lineColor / 256 / 256 / 256 % 256);
                lineUIView.BackgroundColor = UIKit.UIColor.FromRGBA(r, g, b, a);
            }
        }
 
        /// <summary>
        /// 增加左边视图
        /// </summary>
        /// <param name="view">View.</param>
        public void AddLeftView(Button view)
        {
            if (null == view)
            {
                return;
            }
            view.X = leftView.Count * SubViewWidth;
            view.Y = 0;
            view.Width = SubViewWidth;
            view.Height = Height;
            viewGroup.AddSubview(view.RealView);
            view.Parent = this;
            view.Refresh();
            leftView.Add(view);
            var frame = realViewGroup.Frame;
            frame.X += SubViewWidth;
            realViewGroup.Frame = frame;
            foreach (var right in rigthView)
            {
                right.X += SubViewWidth;
            }
            (viewGroup as MyUIScrolView).ContentSize = new CoreGraphics.CGSize((leftView.Count + rigthView.Count) * SubViewWidth + realViewGroup.Frame.Width, 0);
            (viewGroup as MyUIScrolView).SetContentOffset(new CGPoint(realViewGroup.Frame.X, 0), true);
        }
 
 
        /// <summary>
        /// 增加右边视图
        /// </summary>
        /// <param name="view">View.</param>
        public void AddRightView(Button view)
        {
           if (null == view)
            {
                return;
            }
            view.X =(int)realViewGroup.Frame.Right+ rigthView.Count * SubViewWidth;
            view.Y = 0;
            view.Width = SubViewWidth;
            view.Height = Height;
            viewGroup.AddSubview(view.RealView);
            view.Parent = this;
            view.Refresh();
            rigthView.Add(view);
 
            (viewGroup as MyUIScrolView).ContentSize = new CoreGraphics.CGSize((leftView.Count + rigthView.Count) * SubViewWidth + realViewGroup.Frame.Width, 0);
            (viewGroup as MyUIScrolView).SetContentOffset(new CGPoint(realViewGroup.Frame.X, 0), true);
 
        }
 
        /// <summary>
        /// 在滑动事件下,可显示隐藏些自定义视图
        /// </summary>
        public RowLayout()
        {
            viewGroup = new MyUIScrolView(null) { Bounces = false };
            realViewGroup = new MyUIView(this);
            viewGroup.AddSubview(realViewGroup);
            viewGroup.Layer.MasksToBounds = true;
 
            lineUIView.BackgroundColor = new UIColor(0x81 / 255.0f, 0x81 / 255.0f, 0x81 / 255.0f, 0.8f);
            var lineUIViewFrame = lineUIView.Frame;
            lineUIViewFrame.Height = 1.0f;
            lineUIView.Frame = lineUIViewFrame;
            viewGroup.AddSubview(lineUIView);
        }
 
    }
}