PIbd-33_Sergunov_M.A._COP_4/Library/LibraryView/FormManual.cs

114 lines
3.7 KiB
C#

using LibraryContracts.BindingModels;
using LibraryContracts.BusinessLogicsContracts;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace LibraryView
{
public partial class FormManual : Form
{
private readonly IGenreLogic _genreLogic;
public FormManual(IGenreLogic genreLogic)
{
_genreLogic = genreLogic;
InitializeComponent();
}
private void FormManual_Load(object sender, EventArgs e)
{
LoadData();
dataGridView.CellEndEdit += CellEndEdit;
}
private void LoadData()
{
var genries = _genreLogic.Read(null);
if (genries != null)
{
dataGridView.Rows.Clear();
foreach (var genre in genries)
{
dataGridView.Rows.Add(genre.Id, genre.Name);
}
}
}
private void CellEndEdit(object sender, EventArgs e)
{
if (dataGridView.CurrentCell.Value != null)
{
if (dataGridView.CurrentRow.Cells[0].Value == null)
{
_genreLogic.CreateOrUpdate(new GenreBindingModel
{
Name = dataGridView.CurrentCell.Value.ToString()
});
}
else
{
_genreLogic.CreateOrUpdate(new GenreBindingModel
{
Id = (int)dataGridView.CurrentRow.Cells[0].Value,
Name = dataGridView.CurrentCell.Value.ToString()
});
}
}
}
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
DataGridViewRow row = new DataGridViewRow();
if (keyData == (Keys.Insert))
{
DataGridViewCell cell = dataGridView.Rows[dataGridView.NewRowIndex].Cells[1];
dataGridView.CurrentCell = cell;
dataGridView.BeginEdit(true);
return true;
}
if (keyData == (Keys.Enter))
{
dataGridView.EndEdit();
LoadData();
}
if (keyData == (Keys.Delete))
{
if (MessageBox.Show("Удалить запись", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
int? id = null;
try
{
id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells[0].Value);
}
catch
{
MessageBox.Show("Чтобы удалить запись, нажмите на пустую ячейку слева от удаляемой записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (id != null)
{
try
{
_genreLogic.Delete(new GenreBindingModel { Id = id });
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
LoadData();
}
return true;
}
return base.ProcessCmdKey(ref msg, keyData);
}
}
}