using Shared;
using HDL_ON.UI.CSS;
using System;
using System.Collections.Generic;
using System.Text;

namespace HDL_ON.Stan
{
    /// <summary>
    /// Botton的最初原型(不建议修改和直接使用):标准字体和颜色，文字向左靠齐,14号字
    /// </summary>
    public class ButtonCtrBase : Button
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 设置能否触点击事件
        /// </summary>
        private bool m_CanClick = true;
        /// <summary>
        /// 设置能否触点击事件
        /// </summary>
        public bool CanClick
        {
            get { return m_CanClick; }
            set
            {
                if (m_CanClick == value) { return; }

                m_CanClick = value;
                //能够点击,则显示没有点击过的状态
                if (m_CanClick == true) { this.SetNotClickStatu(); }
                //不能点击,则显示已经点击了的状态
                else { this.SetClickStatu(); }
            }
        }
        /// <summary>
        /// 声明此变量,旨在子线程也能够去获取一个控件的主键
        /// </summary>
        public string MainKey = string.Empty;

        /// <summary>
        /// 点击的坐标
        /// </summary>
        private System.Drawing.Point downPoint = new System.Drawing.Point();

        /// <summary>
        /// 控件的点击事件(自定义封装事件,此事件被认可为执行按钮按下事件,受CanClick属性控制)
        /// </summary>
        public Action<Button, MouseEventArgs> ButtonClickEvent = null;
        /// <summary>
        /// 控件的按下事件(自定义封装事件,此事件被认可为执行按钮按下事件,受CanClick属性控制)
        /// </summary>
        public Action<Button, MouseEventArgs> ButtonDownClickEvent = null;
        /// <summary>
        /// 控件触发移动的事件(自身拥有算法,当移动多少像素后,触发事件,注意,该事件可能会频繁的触发)
        /// </summary>
        public Action ButtonHappenMoveEvent = null;

        #endregion

        #region ■ 重写彪哥的属性_____________________

        /// <summary>
        /// 重写Text属性
        /// </summary>
        public new string Text
        {
            //先这么弄先吧
            get { return base.Text == null ? string.Empty : base.Text; }
            set
            {
                base.Text = value == null ? string.Empty : value;
            }
        }

        /// <summary>
        /// 选中状态(重写底层属性)
        /// </summary>
        public new bool IsSelected
        {
            get { return base.IsSelected; }
            set
            {
                //只有状态不一样,才变更
                if (base.IsSelected != value)
                {
                    base.IsSelected = value;
                }
            }
        }

        /// <summary>
        /// 非选中状态的背景图路径(重写底层属性)
        /// </summary>
        public new string UnSelectedImagePath
        {
            get { return base.UnSelectedImagePath; }
            set
            {
                //只有图片不一样,才变更
                if (base.UnSelectedImagePath != value)
                {
                    base.UnSelectedImagePath = value;
                }
            }
        }

        /// <summary>
        /// 选中状态的背景图路径(重写底层属性)
        /// </summary>
        public new string SelectedImagePath
        {
            get { return base.SelectedImagePath; }
            set
            {
                //只有图片不一样,才变更
                if (base.SelectedImagePath != value)
                {
                    base.SelectedImagePath = value;
                }
            }
        }

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// Botton的最初原型(不建议修改和直接使用):标准字体和颜色，文字向左靠齐,14号字
        /// </summary>
        public ButtonCtrBase()
        {
#if __IOS__
            //重写修改文本到边框的内边距为0
            (this.uiView as MyButton).ContentEdgeInsets = new UIKit.UIEdgeInsets(0, 0, 0, 0);
#endif
            //测试，全体按钮为14号字
            this.TextSize = CSS_FontSize.TextFontSize;

            this.TextColor = CSS_Color.TextualColor;
            this.TextAlignment = TextAlignment.CenterLeft;

            //点击事件
            this.MouseUpEventHandler += ButtonBase_MouseUpEventHandler;
            //按下事件
            this.MouseDownEventHandler += ButtonBase_MouseDownEventHandler;
            //移动事件
            this.MouseMoveEventHandler += ButtonBase_MouseMoveEventHandler;
        }

        /// <summary>
        /// 初始化控件大小(不以平均值进行真实数值计算)
        /// </summary>
        /// <param name="i_Width">宽度</param>
        /// <param name="i_Height">高度</param>
        /// <param name="real">是否计算真实值</param>
        public void InitSize(int i_Width, int i_Height, bool real = true)
        {
            if (real == true)
            {
                i_Width = Application.GetRealWidth(i_Width);
                i_Height = Application.GetRealHeight(i_Height);
            }
            this.Height = i_Height;
            this.Width = i_Width;
        }

        /// <summary>
        /// 初始化控件大小(不以平均值进行真实数值计算)
        /// </summary>
        /// <param name="i_Width">宽度</param>
        /// <param name="real">是否计算真实值</param>
        public void InitSize(int i_Width, bool real = false)
        {
            if (real == true)
            {
                i_Width = Application.GetRealWidth(i_Width);
            }
            this.Width = i_Width;
        }

        /// <summary>
        /// 初始化图标控件大小(以平均值进行真实数值计算)
        /// </summary>
        /// <param name="i_Width">宽度</param>
        /// <param name="i_Height">高度</param>
        /// <param name="real">是否计算真实值</param>
        public void InitIconSize(int i_Width, int i_Height, bool real = true)
        {
            if (real == true)
            {
                i_Width = this.GetPictrueRealSize(i_Width);
                i_Height = this.GetPictrueRealSize(i_Height);
            }

            this.Height = i_Height;
            this.Width = i_Width;
        }

        /// <summary>
        /// 初始化图片控件大小
        /// </summary>
        /// <param name="i_Width">宽度</param>
        /// <param name="i_Height">高度</param>
        /// <param name="real">是否计算真实值</param>
        public void InitPictrueSize(int i_Width, int i_Height, bool real = true)
        {
            if (real == true)
            {
                i_Width = Application.GetRealWidth(i_Width);
                i_Height = Application.GetRealWidth(i_Height);
            }

            this.Height = i_Height;
            this.Width = i_Width;
        }

        #endregion

        #region ■ 点击事件___________________________

        /// <summary>
        /// 点击事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonBase_MouseUpEventHandler(object sender, MouseEventArgs e)
        {
            if (ButtonClickEvent == null)
            {
                this.MouseUpEventHandler -= ButtonBase_MouseUpEventHandler;
                return;
            }
            if (CanClick == true)
            {
                try
                {
                    this.ButtonClickEvent(this, e);
                }
                catch (Exception ex)
                {
                    //出现未知错误
                    HdlMessageLogic.Current.ShowAppProgramIsError(ex);
                }
            }
        }

        #endregion

        #region ■ 按下事件___________________________

        /// <summary>
        /// 按下事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonBase_MouseDownEventHandler(object sender, MouseEventArgs e)
        {
            //记录起当前点击的坐标
            downPoint.X = (int)e.X;
            downPoint.Y = (int)e.Y;

            if (CanClick == false || this.ButtonDownClickEvent == null)
            {
                //不能点击
                return;
            }

            try
            {
                this.ButtonDownClickEvent(this, e);
            }
            catch (Exception ex)
            {
                //出现未知错误
                HdlMessageLogic.Current.ShowAppProgramIsError(ex);
            }
        }

        #endregion

        #region ■ 移动事件___________________________

        /// <summary>
        /// 移动事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonBase_MouseMoveEventHandler(object sender, MouseEventArgs e)
        {
            if (this.ButtonHappenMoveEvent == null)
            {
                this.MouseMoveEventHandler -= ButtonBase_MouseMoveEventHandler;
                return;
            }
            int value = (int)e.X - this.downPoint.X;
            if (value >= 30 || value <= -30)
            {
                //触发移动事件
                this.ButtonHappenMoveEvent();
                return;
            }
            value = (int)e.Y - this.downPoint.Y;
            if (value >= 30 || value <= -30)
            {
                //触发移动事件
                this.ButtonHappenMoveEvent();
                return;
            }
        }

        #endregion

        #region ■ 设置点击状态_______________________

        /// <summary>
        /// 设置点击后的状态(此方法由各自控件进行重载)
        /// </summary>
        public virtual void SetClickStatu()
        {
        }

        /// <summary>
        /// 设置非点击后的状态(此方法由各自控件进行重载)
        /// </summary>
        public virtual void SetNotClickStatu()
        {
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 控件摧毁
        /// </summary>
        public override void RemoveFromParent()
        {
            ButtonClickEvent = null;
            ButtonDownClickEvent = null;

            if (this.Parent != null)
            {
                base.RemoveFromParent();
            }
        }

        /// <summary>
        /// 根据文本,计算它实际的宽度
        /// </summary>
        /// <returns></returns>
        public int GetRealWidthByText()
        {
            if (string.IsNullOrEmpty(this.Text) == true) { return Application.GetRealWidth(25); }

            return base.GetTextWidth();
        }

        /// <summary>
        /// 根据文本,计算它需要的总行数
        /// </summary>
        /// <param name="i_width">当值为-1时,需要父控件,真实值</param>
        /// <returns></returns>
        public int GetRealRowCountByText(int i_width = -1)
        {
            if (i_width == -1)
            {
                i_width = this.Width;
            }
            //先获取它的真实宽度
            int realWidth = this.GetRealWidthByText();
            int row = realWidth / i_width;
            if (realWidth % i_width > 0)
            {
                row++;
            }
            return row;
        }

        /// <summary>
        /// 计算图片的真实高宽度
        /// </summary>
        /// <param name="i_size"></param>
        /// <returns></returns>
        public int GetPictrueRealSize(int i_size)
        {
            return Application.GetRealWidth(i_size);
        }

        #endregion
    }
}