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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using UIKit;
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using Foundation;
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using Shared.IO;
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using CoreGraphics;
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namespace Shared
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{
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/// <summary>
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/// 文本输入框
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/// </summary>
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public class EditText : View
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{
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public Action<View, FocusEventArgs> FoucsChanged;
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/// <summary>
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/// 当前视图
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/// </summary>
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/// <value>The ios user interface text view.</value>
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MyEditText iosUITextView
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{
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get
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{
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return uiView as MyEditText;
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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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//一端口进入配置模式 1提示不要接入设备 2获取设备列表 3接入设备 4追加设备
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/// <summary>
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/// 文字大小
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/// </summary>
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/// <value>The size of the text.</value>
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public float TextSize
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{
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get
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{
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return (float)iosUITextView.Font.PointSize;
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}
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set
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{
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iosUITextView.Font = UIFont.SystemFontOfSize(value);// .SetTextSize (ComplexUnitType.Sp, value);
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}
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}
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/// <summary>
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/// 是否设置为加载时显示输入键盘
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/// </summary>
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/// <value><c>true</c> if is first responder; otherwise, <c>false</c>.</value>
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public bool IsFirstResponder
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{
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get
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{
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return iosUITextView.IsFirstResponder;
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}
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set
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{
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if (value)
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{
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iosUITextView.BecomeFirstResponder();
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}
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else
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{
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iosUITextView.ResignFirstResponder();
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}
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}
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}
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int textID;
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/// <summary>
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/// 根据ID获取对应的备注
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/// </summary>
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/// <value>The text I.</value>
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public int TextID
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{
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get
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{
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return textID;
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}
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set
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{
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textID = value;
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Text = Language.StringByID(TextID);
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}
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}
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/// <summary>
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/// 是否使能
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/// </summary>
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/// <value>是否使能</value>
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public override bool Enable
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{
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get
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{
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return iosUITextView.Enabled;
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}
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set
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{
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iosUITextView.Enabled = value;
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}
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}
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string _placeholderText = " ";
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/// <summary>
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/// 显示提示信息
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/// </summary>
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/// <value>The placeholder.</value>
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public string PlaceholderText
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{
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get
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{
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return iosUITextView.Placeholder;
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}
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set
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{
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//iosUITextView.Placeholder = value;
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_placeholderText = value;
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setPlaceholderTextAndColor();
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}
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}
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UIColor _placeholderTextUIColor;
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uint placeholderTextColor;
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/// <summary>
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/// Gets or sets the color of the placeholder text.
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/// </summary>
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/// <value>The color of the placeholder text.</value>
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public uint PlaceholderTextColor
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{
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get
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{
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return placeholderTextColor;
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}
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set
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{
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placeholderTextColor = value;
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byte r, g, b, a;
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r = (byte)(placeholderTextColor / 256 / 256 % 256);
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g = (byte)(placeholderTextColor / 256 % 256);
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b = (byte)(placeholderTextColor % 256);
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a = (byte)(placeholderTextColor / 256 / 256 / 256 % 256);
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//iosUITextView.SetValueForKeyPath(UIColor.FromRGBA(r, g, b, a), new NSString("_placeholderLabel.textColor"));
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_placeholderTextUIColor = UIColor.FromRGBA(r, g, b, a);
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setPlaceholderTextAndColor();
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}
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}
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/// <summary>
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/// 通过attributedPlaceholder属性修改Placeholder颜色
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/// </summary>
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private void setPlaceholderTextAndColor() {
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//2019-09-23 适配iOS13
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var normalAttributedTitle = new NSAttributedString(_placeholderText, foregroundColor: _placeholderTextUIColor);
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iosUITextView.AttributedPlaceholder = normalAttributedTitle;
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}
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/// <summary>
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/// 是否用*号隐藏字符
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/// </summary>
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/// <value>The secure text entry.</value>
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public bool SecureTextEntry
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{
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get
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{
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return iosUITextView.SecureTextEntry;
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}
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set
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{
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iosUITextView.SecureTextEntry = value;
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// if (value)
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// {
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// ResetTextContentType();
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// }
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}
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}
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/// <summary>
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/// 暂时解决iOS13 以上默认提示自动生成强密码，不是最优方案
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/// </summary>
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public void ResetTextContentType()
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{
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if (UIDevice.CurrentDevice.CheckSystemVersion(12, 0))
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{
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iosUITextView.SetTextContentType(UITextContentType.Password);
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//HDLUtils.WriteLine(" GetTextContentType: " + iosUITextView.GetTextContentType().ToString());
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//if (iosUITextView.GetTextContentType() == UITextContentType.NewPassword)
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//{
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// iosUITextView.SetTextContentType(UITextContentType.Password);
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//}
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}
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}
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bool isNumberKeyboardType = false;
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//设置键盘类型
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public bool IsNumberKeyboardType
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{
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get
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{
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return isNumberKeyboardType;
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}
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set
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{
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isNumberKeyboardType = value;
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if (value)
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{
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iosUITextView.KeyboardType = UIKeyboardType.NumberPad;
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}
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else
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{
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iosUITextView.KeyboardType = UIKeyboardType.Default;
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}
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}
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}
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public static EditText Instance;
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/// <summary>
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/// 构造函数
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/// </summary>
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public EditText()
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{
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iosUITextView = new MyEditText(this) { };
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ResetTextContentType();
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}
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/// <summary>
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/// 创新需要创新的信息
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/// </summary>
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public override void Refresh()
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{
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base.Refresh();
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IsSelected = isSelected;
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}
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/// <summary>
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/// 文本
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/// </summary>
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/// <value>The text.</value>
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public string Text
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{
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get
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{
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return iosUITextView.Text;
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}
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set
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{
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iosUITextView.Text = value;
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TextChangeEventHandler?.Invoke(this, value);//赋值，增加触发事件
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}
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}
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uint textColor;
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/// <summary>
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/// 文字颜色
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/// </summary>
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/// <value>The color of the text.</value>
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public uint TextColor
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{
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get
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{
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return textColor;
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}
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set
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{
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textColor = value;
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byte r, g, b, a;
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r = (byte)(textColor / 256 / 256 % 256);
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g = (byte)(textColor / 256 % 256);
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b = (byte)(textColor % 256);
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a = (byte)(textColor / 256 / 256 / 256 % 256);
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iosUITextView.TextColor = UIKit.UIColor.FromRGBA(r, g, b, a);
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}
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}
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bool isSelected;
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/// <summary>
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/// Gets or sets a value indicating whether this instance is selected.
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/// </summary>
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/// <value><c>true</c> if this instance is selected; otherwise, <c>false</c>.</value>
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public bool IsSelected
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{
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get
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{
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return isSelected;
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}
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set
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{
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isSelected = 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 (isSelected)
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{
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if (null == SelectedImagePath)
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{
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byte r, g, b, a;
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r = (byte)(SelectedBackgroundColor / 256 / 256 % 256);
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g = (byte)(SelectedBackgroundColor / 256 % 256);
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b = (byte)(SelectedBackgroundColor % 256);
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a = (byte)(SelectedBackgroundColor / 256 / 256 / 256 % 256);
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iosUITextView.BackgroundColor = UIKit.UIColor.FromRGBA(r, g, b, a);
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}
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else
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{
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iosUITextView.Background = UIImage.FromFile(FileUtils.GetImageFilePath(SelectedImagePath));
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}
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}
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else
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{
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if (null == UnSelectedImagePath)
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{
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byte r, g, b, a;
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r = (byte)(BackgroundColor / 256 / 256 % 256);
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g = (byte)(BackgroundColor / 256 % 256);
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b = (byte)(BackgroundColor % 256);
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a = (byte)(BackgroundColor / 256 / 256 / 256 % 256);
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iosUITextView.BackgroundColor = UIKit.UIColor.FromRGBA(r, g, b, a);
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}
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else
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{
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iosUITextView.Background = UIImage.FromFile(FileUtils.GetImageFilePath(UnSelectedImagePath));
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}
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}
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}
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}
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/// <summary>
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/// 选择时背景颜色
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/// </summary>
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/// <value>The color of the text.</value>
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public uint SelectedBackgroundColor
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{
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get;
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set;
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}
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TextAlignment textAlignment = TextAlignment.Center;
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/// <summary>
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/// Texts the alignment.
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/// </summary>
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public TextAlignment TextAlignment
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{
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get
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{
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return textAlignment;
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}
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set
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{
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textAlignment = value;
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switch (value)
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{
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case TextAlignment.TopLeft:
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//iosUITextView.TextAlignment = UITextAlignment.Left;
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break;
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case TextAlignment.TopCenter:
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//iosUITextView.TextAlignment = UITextAlignment.Center| UITextAlignment.Left;
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break;
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case TextAlignment.TopRight:
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// iosUITextView.TextAlignment = UITextAlignment.Right;
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break;
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case TextAlignment.CenterLeft:
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iosUITextView.TextAlignment = UITextAlignment.Left;
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break;
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case TextAlignment.Center:
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iosUITextView.TextAlignment = UITextAlignment.Center;
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break;
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case TextAlignment.CenterRight:
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iosUITextView.TextAlignment = UITextAlignment.Right;
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break;
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case TextAlignment.BottomLeft:
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// iosUITextView.TextAlignment = UIKit.UIControlContentVerticalAlignment.Bottom;
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// iosUITextView.TextAlignment = UIKit.UIControlContentHorizontalAlignment.Left;
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break;
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case TextAlignment.BottomCenter:
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// iosUITextView.TextAlignment = UIKit.UIControlContentVerticalAlignment.Bottom;
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// iosUITextView.TextAlignment = UIKit.UIControlContentHorizontalAlignment.Center;
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break;
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case TextAlignment.BottomRight:
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// iosUITextView.VerticalAlignment = UIKit.UIControlContentVerticalAlignment.Bottom;
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// iosUITextView.HorizontalAlignment = UIKit.UIControlContentHorizontalAlignment.Right;
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break;
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}
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}
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}
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/// <summary>
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/// 选择时背景图路径
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/// </summary>
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/// <value>The selected image path.</value>
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public string SelectedImagePath { get; set; }
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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 UnSelectedImagePath { get; set; }
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/// <summary>
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/// 输入文字变化事件
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/// </summary>
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public Action<View, string> TextChangeEventHandler;
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/// <summary>
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/// 按了返回按键事件
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/// </summary>
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public Action<View> EditorEnterAction;
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/// <summary>
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/// 设置焦点
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/// </summary>
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public bool Foucs
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{
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get
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{
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return iosUITextView.IsFirstResponder;
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}
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set
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{
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if (value)
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{
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//显示键盘
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iosUITextView.BecomeFirstResponder();
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}
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else {
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//隐藏键盘
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iosUITextView.ResignFirstResponder();
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}
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}
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}
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public Action<View, string> KeyEventAction;
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class MyEditText : UIKit.UITextField, IUITextFieldDelegate
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{
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[Weak] EditText editText;
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public MyEditText(EditText editText)
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{
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this.editText = editText;
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TextColor = UIColor.White;
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this.Delegate = this;
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EditorEnterAction += () => {
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this.editText?.EditorEnterAction?.Invoke(this.editText);
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};
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EditingChanged += (sender, e) =>
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{
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this.editText?.TextChangeEventHandler?.Invoke(this.editText, Text);
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};
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EditingDidBegin += (sender, e) =>
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{
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Instance = this.editText;
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this.editText?.FoucsChanged?.Invoke(this.editText, new FocusEventArgs { Focus = true });
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};
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EditingDidEnd += (sender, e) =>
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{
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this.editText?.FoucsChanged?.Invoke(this.editText, new FocusEventArgs { Focus = false });
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};
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}
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public override void MovedToSuperview()
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{
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base.MovedToSuperview();
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if (Superview == null)
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{
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Shared.HDLUtils.WriteLine("从父控件中移除");
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}
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else {
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Shared.HDLUtils.WriteLine("添加到父控件");
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}
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}
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public override void DeleteBackward()
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{
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base.DeleteBackward();
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editText?.KeyEventAction?.Invoke(editText, "Del");
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}
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internal System.Action EditorEnterAction;
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[Export("textFieldShouldReturn:")]
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public new bool ShouldReturn(UITextField textField)
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{
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ResignFirstResponder();
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EditorEnterAction?.Invoke();
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return true;
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}
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nfloat x;
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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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editText?.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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editText?.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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editText?.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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editText?.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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public class FocusEventArgs : EventArgs
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{
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/// <summary>
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/// true 为获取到焦点
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/// false 焦点消失
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/// </summary>
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public bool Focus;
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}
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}
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