using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace Education.Forms.基本資料
{
    public partial class 片語管理 : FormBase
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            FunctionName = "片語管理";

            Form_View = fv片語;
            Grid_View = gv片語;
            FormView_DataSource = ds片語Form;
            GridView_DataSource = ds片語Grid;

            AddTabButton(MultiView1, 0, tab處理);
            AddTabButton(MultiView1, 1, tab查詢);

            if (!IsPostBack)
            {
                ActivateTab(MultiView1, 0);
            }
            else
            {
                Grid_View.DataBind();
                Form_View.DataBind();
            }

            if (Form_View.CurrentMode != FormViewMode.ReadOnly)
            {
                Grid_View.Visible = false;
            }
        }

        protected void btnSearch_Click(object sender, EventArgs e)
        {
            Grid_View.PageIndex = 0;
            Grid_View.DataBind();
        }

        protected void btnClear_Click(object sender, EventArgs e)
        {
            ddl適用欄位_Search.SelectedValue = "";
            txt片語內容_Search.Text = "";
        }

        protected override void GridView_DataSource_Selected(object sender, ObjectDataSourceStatusEventArgs e)
        {
            base.GridView_DataSource_Selected(sender, e);

            if (MultiView1.ActiveViewIndex == 1)
            {
                if (e.ReturnValue is 片語List list && list.Count > 0)
                    ActivateTab(MultiView1, 0);
                else
                    lbMessage.Text = "找不到合乎條件的資料";
            }
        }

        protected void dsForm_ObjectCreating(object sender, ObjectDataSourceEventArgs e)
        {
            e.ObjectInstance = Dao片語;
        }

        protected void dsGrid_ObjectCreating(object sender, ObjectDataSourceEventArgs e)
        {
            e.ObjectInstance = Dao片語;
        }

        protected string Get適用欄位Value()
        {
            var 適用欄位Items = FindControl<CheckBoxList>(Form_View, "cbl適用欄位").Items;
            var 適用欄位Value = new List<string>();
            for (var i = 0; i < 適用欄位Items.Count; i++)
            {
                var item = 適用欄位Items[i];
                if (item.Selected)
                    適用欄位Value.Add(item.Value);
            }
            return string.Join(",", 適用欄位Value.ToArray());
        }

        protected override void FormView_ItemInserting(object sender, FormViewInsertEventArgs e)
        {
            base.FormView_ItemInserting(sender, e);
            if (e.Values.Contains("適用欄位"))
                e.Values["適用欄位"] = Get適用欄位Value();
            else
                e.Values.Add("適用欄位", Get適用欄位Value());
        }

        protected override void FormView_ItemUpdating(object sender, FormViewUpdateEventArgs e)
        {
            base.FormView_ItemUpdating(sender, e);
            if (e.NewValues.Contains("適用欄位"))
                e.NewValues["適用欄位"] = Get適用欄位Value();
            else
                e.NewValues.Add("適用欄位", Get適用欄位Value());
        }

        protected override void FormView_EditDataBound(object sender, EventArgs e)
        {
            base.FormView_EditDataBound(sender, e);
            CheckBoxList cbl適用欄位 = FindControl<CheckBoxList>(Form_View, "cbl適用欄位");

            foreach (ListItem item in cbl適用欄位.Items)
            {
                item.Selected = (Form_View.DataItem as 片語Item).適用欄位.IndexOf(item.Value) >= 0;
            }
        }

    }
}