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 Android.App;
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using Android.Content;
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using Android.OS;
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using Android.Runtime;
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using Android.Views;
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using Android.Widget;
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using Android.Util;
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using Android.Graphics;
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using Android.Graphics.Drawables;
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namespace Shared
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{
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/// <summary>
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/// Button 按键
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/// </summary>
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public class Button : View
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{
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/// <summary>
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/// 当前视图
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/// </summary>
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/// <value>The android button.</value>
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AndroidButton currentButton
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{
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get
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{
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return androidView as AndroidButton;
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}
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set
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{
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this.androidView = value;
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}
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}
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public Button()
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{
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currentButton = new AndroidButton (Application.Activity);
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currentButton.SetTextColor (Android.Graphics.Color.White);
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currentButton.MouseDownEventHandler += (sender, e) => {
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OnMouseDown();
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};
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currentButton.MouseUPEventHandler += (sender, e) => {
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OnMouseUp();
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};
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currentButton.SizeChangeEventHandler+= (sender, e) => {
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OnSizeChange(e);
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};
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}
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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 currentButton.TextSize;
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}
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set
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{
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currentButton.SetTextSize(ComplexUnitType.Sp, value);
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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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/// 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 currentButton.Text;
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}
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set
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{
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currentButton.Text = value;
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}
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}
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/// <summary>
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/// 刷新
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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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private 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)(this.textColor / 256 / 256 % 256);
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g = (byte)(this.textColor / 256 % 256);
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b = (byte)(this.textColor % 256);
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a = (byte)(this.textColor / 256 / 256 / 256 % 256);
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currentButton.SetTextColor(Android.Graphics.Color.Argb(a, r, g, b));
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}
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}
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private bool isSelected;
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private string beforeImagePath;
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/// <summary>
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/// 选中状态
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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 this.isSelected;
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}
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set
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{
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this.isSelected = value;
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if (this.RealView.Parent == null || Radius != 0)
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{
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return;
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}
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if (this.isSelected)
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{
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if (beforeImagePath == this.SelectedImagePath)
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{
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return;
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}
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if (this.Background(this.SelectedImagePath))
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{
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beforeImagePath = this.SelectedImagePath;
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}
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}
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else
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{
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if (beforeImagePath == this.UnSelectedImagePath)
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{
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return;
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}
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if (this.Background(this.UnSelectedImagePath))
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{
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beforeImagePath = this.UnSelectedImagePath;
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}
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}
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}
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}
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private TextAlignment textAlignment= TextAlignment.Center;
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/// <summary>
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/// 文字对齐方式
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/// </summary>
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/// <param name="horizontalAlignment">Horizontal alignment.</param>
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/// <param name="verticalAlignment">Vertical alignment.</param>
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public TextAlignment TextAlignment {
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get {
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return this.textAlignment;
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}
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set {
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this.textAlignment = value;
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switch (value) {
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case TextAlignment.TopLeft:
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this. currentButton.Gravity = GravityFlags.Top | GravityFlags.Left;
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break;
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case TextAlignment.TopCenter:
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this. currentButton.Gravity = GravityFlags.Top | GravityFlags.Center;
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break;
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case TextAlignment.TopRight:
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this. currentButton.Gravity = GravityFlags.Top | GravityFlags.Right;
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break;
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case TextAlignment.CenterLeft:
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this. currentButton.Gravity = GravityFlags.Center | GravityFlags.Left;
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break;
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case TextAlignment.Center:
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this. currentButton.Gravity = GravityFlags.Center | GravityFlags.Center;
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break;
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case TextAlignment.CenterRight:
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this. currentButton.Gravity = GravityFlags.Center | GravityFlags.Right;
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break;
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case TextAlignment.BottomLeft:
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this. currentButton.Gravity = GravityFlags.Bottom | GravityFlags.Left;
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break;
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case TextAlignment.BottomCenter:
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this. currentButton.Gravity = GravityFlags.Bottom | GravityFlags.Center;
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break;
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case TextAlignment.BottomRight:
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this. currentButton.Gravity = GravityFlags.Bottom | GravityFlags.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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/// 内边距
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/// </summary>
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/// <value>The padding.</value>
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public override Padding Padding {
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get {
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return new Padding (this. currentButton.PaddingTop, this. currentButton.PaddingLeft,this. currentButton.PaddingBottom, this. currentButton.PaddingRight);
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}
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set {
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//base.Padding = value;
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this. currentButton.SetPadding (DensityUtil.Dip2Px( value.Left),DensityUtil.Dip2Px( value.Top),DensityUtil.Dip2Px( value.Right),DensityUtil.Dip2Px( value.Bottom));
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}
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}
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private string selectedImagePath;
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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
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{
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get
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{
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return this.selectedImagePath;
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}
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set{
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this.selectedImagePath = value;
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IsSelected = IsSelected;
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}
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}
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private string unSelectedImagePath;
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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
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{
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get
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{
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return this.unSelectedImagePath;
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}
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set
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{
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this.unSelectedImagePath = value;
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IsSelected = IsSelected;
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}
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}
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}
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public class AndroidButton : Android.Widget.Button
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{
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public AndroidButton(Context context)
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: base(context)
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{
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this.SetBackgroundColor (Android.Graphics.Color.Transparent);
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this.SetPadding (0, 0, 0, 0);
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}
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public AndroidButton(Context context, IAttributeSet attrs)
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: base(context, attrs) { }
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protected AndroidButton(IntPtr javaReference, JniHandleOwnership transfer)
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: base(javaReference, transfer) { }
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public AndroidButton(Context context, IAttributeSet attrs, int defStyle)
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: base(context, attrs, defStyle) { }
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/// <summary>
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/// 点击弹起事件
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/// </summary>
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public EventHandler MouseUPEventHandler;
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/// <summary>
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/// 点击按下事件
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/// </summary>
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public EventHandler MouseDownEventHandler;
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/// <summary>
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/// 点击事件
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/// </summary>
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/// <returns>The touch event.</returns>
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/// <param name="e">E.</param>
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public override bool OnTouchEvent(Android.Views.MotionEvent e)
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{
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if (e.Action == Android.Views.MotionEventActions.Down && MouseDownEventHandler != null)
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{
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MouseDownEventHandler(this, EventArgs.Empty);
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}
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else if (e.Action == Android.Views.MotionEventActions.Up && MouseUPEventHandler != null)
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{
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MouseUPEventHandler(this, EventArgs.Empty);
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}
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return base.OnTouchEvent(e);
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}
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/// <summary>
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/// 大小变化事件
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/// </summary>
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public EventHandler<Size> SizeChangeEventHandler;
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public override ViewGroup.LayoutParams LayoutParameters
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{
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get
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{
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return base.LayoutParameters;
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}
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set
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{
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var layoutParams = base.LayoutParameters;
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base.LayoutParameters = value;
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if (layoutParams == null || layoutParams.Width != value.Width || layoutParams.Height != value.Height)
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{
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if (this.SizeChangeEventHandler != null)
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{
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this.SizeChangeEventHandler(this, new Size((int)this.LayoutParameters.Width, (int)this.LayoutParameters.Height));
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}
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}
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}
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}
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}
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}
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