using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;

namespace IStation.WinFrmUI.Basic
{
    public partial class SetEnumValueSettingsCtrl : DevExpress.XtraEditors.XtraUserControl
    {
        public SetEnumValueSettingsCtrl()
        {
            InitializeComponent();
        }

        private BindingList<Model.EnumDisplay> _allBindingList = null;

        /// <summary>
        /// 设置
        /// </summary>
        public void Set(string json)
        {
            this.gridView1.SetBindingNormalEditView();
            _allBindingList = new BindingList<Model.EnumDisplay>();
            var dict = JsonHelper.Json2Object<Dictionary<int, string>>(json);
            if (dict != null && dict.Count > 0)
            {
                foreach (var item in dict)
                {
                    _allBindingList.Add(new Model.EnumDisplay(item.Key, item.Value));
                }
            }
            this.bindingSource1.DataSource = _allBindingList;
            this.bindingSource1.ResetBindings(false);
        }

        /// <summary>
        /// 验证
        /// </summary>
        public bool Valid(out string msg)
        {
            msg = string.Empty;
            if (_allBindingList == null)
                return false;
            if (_allBindingList.Count < 1)
            {
                msg = "未设置枚举映射";
                return false;
            }
            return true;
        }

        /// <summary>
        /// 获取
        /// </summary>
        public string Get()
        {
            if (_allBindingList == null || _allBindingList.Count < 1)
                return string.Empty;
            var dict = new Dictionary<int, string>();
            foreach (var item in _allBindingList)
            {
                dict.Add(item.EnumValue, item.DisplayName);
            }
            return Model.SignalType.ToEnumValueSettings(dict);
        }

        #region gridview

        private void gridView1_InitNewRow(object sender, DevExpress.XtraGrid.Views.Grid.InitNewRowEventArgs e)
        {
            //if (_allAxisLabels == null)
            //    return;
            //var row = this.gridView1.GetRow(e.RowHandle) as Entity.SignalBase.AxisLabel;
        }

        //点击删除列进行删除
        private void gridView1_RowCellClick(object sender, DevExpress.XtraGrid.Views.Grid.RowCellClickEventArgs e)
        {
            if (_allBindingList == null)
                return;
            if (e.Column == this.colDelete)
            {
                var row = this.gridView1.GetFocusedRow() as Model.EnumDisplay;
                if (row == null)
                    return;
                _allBindingList.Remove(row);
            }
        }

        //新增时必须先输入名称
        private void gridView1_ShowingEditor(object sender, CancelEventArgs e)
        {
            if (_allBindingList == null)
            {
                e.Cancel = true;
                return;
            }
            if (this.gridView1.FocusedColumn != this.colDispName)
            {
                var model = this.gridView1.GetFocusedRow() as Model.EnumDisplay;
                if (model == null)
                {
                    e.Cancel = true;
                    return;
                }
            }
        }

        //当名称列为空时删除该行
        private void gridView1_CellValueChanged(object sender, DevExpress.XtraGrid.Views.Base.CellValueChangedEventArgs e)
        {
            if (_allBindingList == null)
                return;

            var row = this.gridView1.GetRow(e.RowHandle) as Model.EnumDisplay;
            if (row == null)
                return;
            if (string.IsNullOrEmpty(row.DisplayName))
            {
                _allBindingList.Remove(row);
            }
        }

        //验证枚举值的唯一性
        private void gridView1_ValidatingEditor(object sender, DevExpress.XtraEditors.Controls.BaseContainerValidateEditorEventArgs e)
        {
            if (_allBindingList == null)
                return;

            if (this.gridView1.FocusedColumn == this.colEnumValue)
            {
                if (e.Value == null)
                    return;
                var row = this.gridView1.GetFocusedRow() as Model.EnumDisplay;
                var list = _allBindingList.ToList();
                list.Remove(row);
                if (list.Find(x => x.EnumValue.ToString() == e.Value.ToString()) != null)
                {
                    e.ErrorText = "枚举值重复";
                    e.Valid = false;
                }
            }
        }

        //聚焦行改变控制排序按钮的可用性
        private void gridView1_FocusedRowChanged(object sender, DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
        {

        }

        #endregion

    }
}