using System;
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using UIKit;
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using Shared.IO;
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namespace Shared
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{
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/// <summary>
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/// 位置布局
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/// </summary>
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public class HorizontalScrolViewLayout:ViewGroup
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{
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/// <summary>
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/// 构造函数
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/// </summary>
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public HorizontalScrolViewLayout()
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{
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viewGroup = new MyUIScrolView(this);
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realViewGroup = viewGroup;
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}
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/// <summary>
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/// 增加子视图
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/// </summary>
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/// <returns>The chidren.</returns>
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/// <param name="view">View.</param>
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public override void AddChidren(View view)
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{
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base.AddChidren(view);
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ReLocation();
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}
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/// <summary>
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/// 重新排位置及设备内容大小
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/// </summary>
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public virtual void ReLocation()
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{
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if (0 == viewList.Count)
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{
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return;
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}
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for (int i = 1; i < viewList.Count; i++)
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{
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var frame = viewList[i].RealView.Frame;
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frame.X = viewList[i - 1].RealView.Frame.Right;
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viewList[i].RealView.Frame = frame;
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}
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(realViewGroup as MyUIScrolView).ContentSize = new CoreGraphics.CGSize(viewList[viewList.Count - 1].Right <= Width ? Width + 1 : viewList[viewList.Count - 1].Right,0);
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}
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/// <summary>
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/// 移除所有的视图
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/// </summary>
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public override void RemoveAll()
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{
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base.RemoveAll();
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ReLocation ();
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}
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/// <summary>
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/// 移除控件
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/// </summary>
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/// <param name="view">View.</param>
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public override void Remove(View view)
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{
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base.Remove(view);
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ReLocation ();
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}
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/// <summary>
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/// 移除指定索引对象
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/// </summary>
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/// <param name="index">Index.</param>
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public override void RemoveAt(int index)
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{
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base.RemoveAt(index);
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ReLocation ();
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}
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/// <summary>
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/// 是否允许滑动
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/// </summary>
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/// <value><c>true</c> if scroll enabled; otherwise, <c>false</c>.</value>
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public bool ScrollEnabled
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{
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get
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{
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return (viewGroup as MyUIScrolView).ScrollEnabled;
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}
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set
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{
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(viewGroup as MyUIScrolView).ScrollEnabled = value;
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}
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}
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/// <summary>
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/// 是否正在滑动
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/// </summary>
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/// <value><c>true</c> if decelerating; otherwise, <c>false</c>.</value>
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public bool Decelerating
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{
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get
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{
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return (viewGroup as MyUIScrolView).Decelerating;
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}
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}
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}
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}
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