using System;
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using Foundation;
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using Shared.IO;
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using UIKit;
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namespace Shared
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{
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/// <summary>
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/// ImageView
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/// </summary>
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public class ImageView : View
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{
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MyImageView myImageView
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{
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get
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{
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return uiView as MyImageView;
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}
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set
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{
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uiView = value;
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}
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Shared.Button"/> class.
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/// </summary>
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public ImageView()
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{
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myImageView = new MyImageView(this) { };
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}
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internal string imagePath, tempImagePath;
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/// <summary>
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/// 非选中状态的背景图路径
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/// </summary>
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/// <value>The un selected image path.</value>
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public string ImagePath
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{
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get
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{
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return imagePath;
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}
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set
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{
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tempImagePath = value;
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if (!IsCanRefresh)
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{
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return;
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}
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if (imageBytes != null)
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{
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myImageView.SetBackgroundImage(UIImage.LoadFromData(NSData.FromArray(imageBytes)), UIControlState.Normal);
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return;
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}
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if (ImagePath == value)
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{
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return;
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}
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imagePath = value;
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myImageView.SetBackgroundImage(UIImage.FromFile(FileUtils.GetImageFilePath(imagePath)), UIControlState.Normal);
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}
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}
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byte[] imageBytes;
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public byte[] ImageBytes
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{
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get
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{
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return imageBytes;
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}
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set
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{
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imageBytes = value;
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ImagePath = tempImagePath;
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}
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}
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public override void Refresh()
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{
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base.Refresh();
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ImagePath = tempImagePath;
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}
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}
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class MyImageView : UIKit.UIButton
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{
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[Weak] View view;
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public MyImageView(View view)
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{
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this.view = view;
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}
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/// <summary>
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/// 点击开始
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/// </summary>
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/// <param name="touches">Touches.</param>
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/// <param name="evt">Evt.</param>
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public override void TouchesBegan(NSSet touches, UIEvent evt)
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{
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view?.TouchEvent(EventActions.Down, (touches.AnyObject as UITouch).LocationInView(this));
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}
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/// <summary>
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/// 移动
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/// </summary>
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/// <param name="touches">Touches.</param>
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/// <param name="evt">Evt.</param>
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public override void TouchesMoved(NSSet touches, UIEvent evt)
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{
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view?.TouchEvent(EventActions.Move, (touches.AnyObject as UITouch).LocationInView(this));
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}
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/// <summary>
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/// 点击弹起
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/// </summary>
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/// <param name="touches">Touches.</param>
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/// <param name="evt">Evt.</param>
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public override void TouchesEnded(NSSet touches, UIEvent evt)
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{
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view?.TouchEvent(EventActions.Up, (touches.AnyObject as UITouch).LocationInView(this));
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}
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public override void TouchesCancelled(NSSet touches, UIEvent evt)
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{
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view?.TouchEvent(EventActions.Cancel, (touches.AnyObject as UITouch).LocationInView(this));
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}
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}
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}
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