using Shared;
using System;
using System.Collections.Generic;
using System.Text;

namespace HDL_ON.Stan
{
    /// <summary>
    /// 做成一个点击后能够显示点击状态的控件(基层控件)
    /// </summary>
    public class FrameLayoutStatuControl : FrameLayoutBase
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 状态设置的事件(会重载底层效果)
        /// </summary>
        public Action<bool> SelectStatuEvent;
        /// <summary>
        /// 子控件Y轴偏移量(共通定义而已)
        /// </summary>
        public int chidrenYaxis = 0;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 做成一个点击后能够显示点击状态的控件
        /// </summary>
        /// <param name="i_ChidrenYaxis">子控件Y轴偏移量(【列表控件的rowSpace/2】即可,不懂默认为0即可)</param>
        public FrameLayoutStatuControl(int i_ChidrenYaxis = 0)
        {
            this.chidrenYaxis = i_ChidrenYaxis;

            //置空底层的事件
            this.MouseUpEventHandler = null;
            this.MouseUpEventHandler += ChildrenUpEvent;
        }

        #endregion

        #region ■ 绑定事件___________________________

        /// <summary>
        /// 变更子控件的绑定模式
        /// </summary>
        /// <param name="view">子控件</param>
        /// <param name="chidrenBindMode">变更的绑定模式</param>
        public void ChangedChidrenBindMode(View view, ChidrenBindMode chidrenBindMode)
        {
            if (view is ButtonCtrBase)
            {
                //子控件移除事件
                ButtonCtrBase button = (ButtonCtrBase)view;
                button.ButtonClickEvent -= ChildrenUpEvent;

                this.BindChidrenEvent(view, chidrenBindMode);
            }
            else if (view is ImageView)
            {
                view.MouseUpEventHandler -= ChildrenUpEvent;

                this.BindChidrenEvent(view, chidrenBindMode);
            }
            else if (view is ViewGroup)
            {
                ViewGroup groupContr = (ViewGroup)view;
                for (int i = 0; i < groupContr.ChildrenCount; i++)
                {
                    var myView = groupContr.GetChildren(i);
                    if (myView == null)
                    {
                        break;
                    }
                    if (myView is ButtonCtrBase)
                    {
                        //子控件移除事件
                        ButtonCtrBase button = (ButtonCtrBase)myView;
                        button.ButtonClickEvent -= ChildrenUpEvent;
                    }
                }
                //自身移除事件
                groupContr.MouseUpEventHandler -= ChildrenUpEvent;

                this.BindChidrenEvent(view, chidrenBindMode);
            }
        }

        /// <summary>
        /// 绑定子控件事件(如果是复合控件,在初始化完成后,调用ChangedChidrenBindMode)
        /// </summary>
        /// <param name="view"></param>
        /// <param name="chidrenBindMode"></param>
        private void BindChidrenEvent(View view, ChidrenBindMode chidrenBindMode)
        {
            if (chidrenBindMode == ChidrenBindMode.NotBind)
            {
                return;
            }
            if (view is ButtonCtrBase)
            {
                //为子控件添加事件
                ButtonCtrBase button = (ButtonCtrBase)view;
                button.ButtonClickEvent -= ChildrenUpEvent;
                button.ButtonClickEvent += ChildrenUpEvent;
            }
            else if (view is ImageView || view is Button)
            {
                //为子控件添加事件
                view.MouseUpEventHandler -= ChildrenUpEvent;
                view.MouseUpEventHandler += ChildrenUpEvent;
            }
            else if (view is ViewGroup)
            {
                //为子控件添加事件
                ViewGroup groupContr = (ViewGroup)view;
                for (int i = 0; i < groupContr.ChildrenCount; i++)
                {
                    var myView = groupContr.GetChildren(i);
                    if (myView == null)
                    {
                        break;
                    }
                    if (myView is ButtonCtrBase)
                    {
                        //为子控件添加事件
                        ButtonCtrBase button = (ButtonCtrBase)myView;
                        button.ButtonClickEvent -= ChildrenUpEvent;
                        button.ButtonClickEvent += ChildrenUpEvent;
                    }
                }
                //自身也添加事件
                groupContr.MouseUpEventHandler -= ChildrenUpEvent;
                groupContr.MouseUpEventHandler += ChildrenUpEvent;
            }
        }

        #endregion

        #region ■ 添加子控件_________________________

        /// <summary>
        /// 添加子控件
        /// </summary>
        /// <param name="view">子控件</param>
        /// <param name="chidrenBindMode">绑定模式</param>
        public void AddChidren(View view, ChidrenBindMode chidrenBindMode)
        {
            base.AddChidren(view);

            //绑定子控件事件
            this.BindChidrenEvent(view, chidrenBindMode);
        }

        /// <summary>
        /// 添加子控件
        /// </summary>
        /// <param name="view"></param>
        public override void AddChidren(View view)
        {
            this.AddChidren(view, ChidrenBindMode.NotBind);
        }

        #endregion

        #region ■ 控件事件___________________________

        /// <summary>
        /// 点击松开事件
        /// </summary>
        /// <param name="sender">Sender.</param>
        /// <param name="e">E.</param>
        private void ChildrenUpEvent(object sender, MouseEventArgs e)
        {
            if (this.CanClick == false)
            {
                //不允许点击
                return;
            }
            try
            {
                //调用委托
                ButtonClickEvent?.Invoke(sender, e);
            }
            catch (Exception ex)
            {
                //出现未知错误
                HdlMessageLogic.Current.ShowAppProgramIsError(ex);
            }
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 移除底层控件自身的单击事件
        /// </summary>
        public void RemoveBaseClickEvent()
        {
            this.MouseUpEventHandler -= ChildrenUpEvent;
        }

        /// <summary>
        /// 控件摧毁
        /// </summary>
        public override void RemoveFromParent()
        {
            this.SelectStatuEvent = null;

            base.RemoveFromParent();
        }

        #endregion
    }
}