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

namespace Shared.Phone.UserCenter
{
    /// <summary>
    /// 做成一个里面只装FrameLayout的列表型控件,有刷新功能(它不会调整高度)
    /// </summary>
    public class VerticalFrameRefreshControl : VerticalRefreshLayout
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 行之间的间距
        /// </summary>
        public int rowSpace = 0;
        /// <summary>
        /// 桌布控件
        /// </summary>
        private FrameLayout m_frameTable = null;
        /// <summary>
        /// 桌布控件
        /// </summary>
        public FrameLayout frameTable
        {
            get
            {
                if (m_frameTable == null) { this.InitFrameTable(); }
                return m_frameTable;
            }
        }

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 做成一个列表型的FrameLayout,有刷新功能(它不会调整高度)
        /// </summary>
        /// <param name="i_rowSpace">行之间的间距(这个值是与行控件绑定一起使用的)</param>
        public VerticalFrameRefreshControl(int i_rowSpace = 0)
        {
            rowSpace = Application.GetRealHeight(i_rowSpace);
            this.VerticalScrollBarEnabled = false;

#if iOS
            //自动偏移取消
            if (UIKit.UIDevice.CurrentDevice.CheckSystemVersion(11, 0))
            {
                (this.uiView as UIKit.UIScrollView).ContentInsetAdjustmentBehavior = UIKit.UIScrollViewContentInsetAdjustmentBehavior.Never;
            }
#endif
        }

        /// <summary>
        /// 初始化桌布控件
        /// </summary>
        private void InitFrameTable()
        {
            if (this.m_frameTable != null && this.m_frameTable.Parent != null)
            {
                return;
            }
            this.m_frameTable = new FrameLayout();
            this.m_frameTable.Width = this.Width;
            this.m_frameTable.Height = this.Height;
            this.AddChidren(this.m_frameTable);
        }

        #endregion

        #region ■ 添加子控件_________________________

        /// <summary>
        /// 添加Frame子控件(此方法是改变Y轴)
        /// </summary>
        /// <param name="view"></param>
        public void AddChidrenFrame(FrameLayout frame)
        {
            //初始化桌布控件
            this.InitFrameTable();

            var child = this.m_frameTable.GetChildren(this.m_frameTable.ChildrenCount - 1);
            if (child != null)
            {
                frame.Y = child.Bottom + rowSpace;
            }
            this.m_frameTable.AddChidren(frame);
            //调整桌布高度
            if (this.m_frameTable.Height < frame.Bottom)
            {
                this.m_frameTable.Height = frame.Bottom;
            }
        }

        /// <summary>
        /// 添加Frame子控件(此方法是改变高度)
        /// </summary>
        /// <param name="view"></param>
        public void AddChidrenFrame2(FrameLayout frame)
        {
            //初始化桌布控件
            this.InitFrameTable();

            var child = this.m_frameTable.GetChildren(this.m_frameTable.ChildrenCount - 1);
            if (child != null)
            {
                frame.Y = child.Bottom;
            }
            this.m_frameTable.AddChidren(frame);
            if (rowSpace > 0)
            {
                frame.Height += rowSpace;
            }
            //调整桌布高度
            if (this.m_frameTable.Height < frame.Bottom)
            {
                this.m_frameTable.Height = frame.Bottom;
            }
        }

        /// <summary>
        /// 添加Frame子控件(此方法是改变高度)
        /// </summary>
        /// <param name="row"></param>
        public void AddChidrenRow(RowLayout row)
        {
            //初始化桌布控件
            this.InitFrameTable();

            var child = this.m_frameTable.GetChildren(this.m_frameTable.ChildrenCount - 1);
            if (child != null)
            {
                row.Y = child.Bottom;
            }
            this.m_frameTable.AddChidren(row);
            if (rowSpace > 0)
            {
                row.Height += rowSpace;
            }
            //调整桌布高度
            if (this.m_frameTable.Height < row.Bottom)
            {
                this.m_frameTable.Height = row.Bottom;
            }
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 调整子FrameLayout的高度
        /// </summary>
        /// <param name="frame"></param>
        /// <param name="buttomSpace">底部空白间距(真实值)</param>
        public void AdjustChidrenFrameHeight(FrameLayout frame, int buttomSpace)
        {
            var child = frame.GetChildren(frame.ChildrenCount - 1);
            if (child != null)
            {
                //调整桌布高度
                if (frame.Height < child.Bottom + buttomSpace)
                {
                    frame.Height = child.Bottom + buttomSpace;
                }
            }
        }

        /// <summary>
        /// 调整桌布高度
        /// </summary>
        /// <param name="buttomSpace">底部空白间距(真实值)</param>
        public void AdjustTableHeight(int buttomSpace = 0)
        {
            var child = this.m_frameTable?.GetChildren(this.m_frameTable.ChildrenCount - 1);
            if (child != null)
            {
                //调整桌布高度
                this.m_frameTable.Height = child.Bottom + buttomSpace;
                //if (this.m_frameTable.Height < child.Bottom)
                //{
                //    this.m_frameTable.Height = child.Bottom;
                //}
            }
        }

        /// <summary>
        /// 针对底部点击按钮,调整控件真实高度
        /// </summary>
        /// <param name="correctionsValue">Y轴补正值(真实值,列表控件不在bodyFramelayout的时候使用)</param>
        public void AdjustRealHeightByBottomButton(int correctionsValue = 0)
        {
            var btnTemp = new BottomClickButton();
            if (btnTemp.Yaxis >= this.m_frameTable.Height + correctionsValue)
            {
                //没有超过
                return;
            }
            //添加临时控件,直至可以滑动超过底部按钮
            var frameBackTemp = new FrameLayout();
            frameBackTemp.Height = ControlCommonResourse.BodyFrameHeight - btnTemp.Yaxis + Application.GetRealHeight(23);
            this.AddChidrenFrame(frameBackTemp);
        }

        #endregion
    }
}