using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Lskj.Control.SiftColControl
{
    public partial class DragItem : UserControl
    {
        public DragItem(DragItemModel _dragItemModel = null)
        {
            this.dragItemModel = _dragItemModel;
            InitializeComponent();
        }
        #region 变量
        ///// <summary>
        ///// 计算操作字段
        ///// </summary>
        //public string ValString = string.Empty;
        ///// <summary>
        ///// 数据源列名
        ///// </summary>
        //public string FieldColName = string.Empty;
        public DragItemModel dragItemModel;
        private btn_ClickEventHanlder _btnClickEvent = null;
        /// <summary>
        /// 关闭按钮点击
        /// </summary>
        /// <param name="sender">The sender.</param>
        public delegate void btn_ClickEventHanlder(Lskj.Control.SiftColControl.DragItem sender);
        private MouseDownEventHanlder _mouseDownEvent = null;
        /// <summary>
        /// 鼠标按下开始拖拽
        /// </summary>
        /// <param name="sender">The sender.</param>
        public delegate void MouseDownEventHanlder(Lskj.Control.SiftColControl.DragItem sender);
        private MouseUpEventHanlder _mouseUpEvent = null;
        /// <summary>
        /// 鼠标右击打开菜单
        /// </summary>
        /// <param name="sender">The sender.</param>
        public delegate void MouseUpEventHanlder(Lskj.Control.SiftColControl.DragItem sender, MouseEventArgs e);
        #endregion
        #region 事件
        #region 控件加载时
        private void OnDragItem_Load(object sender, EventArgs e)
        {
            this.ItemBtn.Click += OnItemBtn_Click;
            this.MouseDown += OnDragItem_MouseDown;
            this.ItemLable.MouseDown += OnItemLable_MouseDown;
            this.MouseUp += OnDragItem_MouseUp;
            this.ItemLable.MouseUp += OnDragItem_MouseUp;
        }

        #endregion
        #region 鼠标按下时开始拖拽
        private void OnDragItem_MouseDown(object sender, MouseEventArgs e)
        {
            if (_mouseDownEvent != null)
            {
                _mouseDownEvent(this);
            }
        }
        private void OnItemLable_MouseDown(object sender, MouseEventArgs e)
        {
            if (_mouseDownEvent != null)
            {
                _mouseDownEvent(this);
            }
        }
        #endregion
        #region 关闭按钮点击事件
        private void OnItemBtn_Click(object sender, EventArgs e)
        {
            if (_btnClickEvent != null)
            {
                _btnClickEvent(this);
            }
        }
        #endregion
        #region 鼠标右击打开菜单
        void OnDragItem_MouseUp(object sender, MouseEventArgs e)
        {
            if (_mouseUpEvent != null)
            {
                _mouseUpEvent(this, e);
            }
        }
        #endregion
        #endregion
        #region 方法
        #region 获得关闭按钮点击
        public void setClickEvent(btn_ClickEventHanlder btnClickEvent)
        {
            this._btnClickEvent = btnClickEvent;
        }
        #endregion
        #region 获得鼠标按下
        public void setMouseDownEvent(MouseDownEventHanlder mouseDownEvent)
        {
            this._mouseDownEvent = mouseDownEvent;
        }
        #endregion
        #region 获得右击菜单
        public void setMouseUpEvent(MouseUpEventHanlder mouseUpEvent)
        {
            this._mouseUpEvent = mouseUpEvent;
        }
        #endregion
        #endregion

    }
}