using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Linq;
using Datalib.Linq;
using Datalib.DatabaseSpecific;
using Datalib.EntityClasses;
using Datalib.HelperClasses;
using SD.LLBLGen.Pro.ORMSupportClasses;

namespace Omega.Forms
{
    public partial class frmDirectories : Omega.BasicForms.frmCommon
    {
        public EntityCollection<TblSubjectEntity> SubjectList { get; set; }
        public EntityCollection<TblTrainingTypeEntity> TrainingTypes { get; set; }
        public EntityCollection<TblFieldEntity> Fields { get; set; }
        public CurrencyManager FieldsMan;
        
        public frmDirectories()
        {
            InitializeComponent();
        }

        public override void LoadData()
        {
            SubjectList = new EntityCollection<TblSubjectEntity>();
            TrainingTypes = new EntityCollection<TblTrainingTypeEntity>();
            Fields = new EntityCollection<TblFieldEntity>();
            adapter.FetchEntityCollection(SubjectList, null);
            adapter.FetchEntityCollection(TrainingTypes, null);
            adapter.FetchEntityCollection(Fields, null);
         
            
            this.grdTrainingType.DataSource = TrainingTypes;
            this.gridField.DataSource = Fields;
            this.repoSubject.DataSource = SubjectList;
            this.grdSubjects.DataSource = SubjectList;
            FieldsMan = (CurrencyManager)this.BindingContext[Fields];
            FieldsMan.PositionChanged += FieldsMan_PositionChanged;
        }

        void FieldsMan_PositionChanged(object sender, EventArgs e)
        {
            if (Fields[FieldsMan.Position].IsNew)
            {
                Fields[FieldsMan.Position].UniqueId = Guid.NewGuid().ToString("N");

            }
        }

        private void frmDirectories_Load(object sender, EventArgs e)
        {

        }

        private void Save_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            adapter.SaveEntityCollection(this.TrainingTypes, true, true);
            adapter.SaveEntityCollection(this.SubjectList, true, true);
            adapter.SaveEntityCollection(this.Fields, true, true);
        }

        private void btnSubjectDesView_ButtonClick(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)
        {
            frmViewOpenXMLContent frm = new frmViewOpenXMLContent();
            frm.View = SubjectView;
            frm.Column = colSubjectDes;
            frm.LoadData();
            frm.Show();
        }

        private void tbnFieldDesView_ButtonClick(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)
        {
            frmViewOpenXMLContent frm = new frmViewOpenXMLContent();
            frm.View = FieldDesView;
            frm.Column = colDescription;
            frm.LoadData();
            frm.Show();
        }

        private void barDelete_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (MessageBox.Show("Bạn có muốn xóa bản ghi này?", "Chương trình quản lý đề thi", MessageBoxButtons.OKCancel) == DialogResult.Cancel) return;
            int index = Directories.SelectedTabPageIndex;
            switch(index)
            {
                case 0:
                    TblSubjectEntity sub = (TblSubjectEntity)SubjectList[this.BindingContext[SubjectList].Position];
                    adapter.DeleteEntity(sub);
                    SubjectList.Remove(sub);
                 break;                                     
                case 1:
                 TblTrainingTypeEntity train = (TblTrainingTypeEntity)this.TrainingTypes[this.BindingContext[TrainingTypes].Position];
                 adapter.DeleteEntity(train);
                 TrainingTypes.Remove(train);
                    break;
                case 2:
                    TblFieldEntity field = (TblFieldEntity)this.Fields[this.BindingContext[Fields].Position];
                     adapter.DeleteEntity(field);
                     Fields.Remove(field);
                    break;
            }

        }
    }
}