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WorkStatusesForm.cs
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WorkStatusesForm.cs
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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 Автошкола
{
public partial class WorkStatusesForm : Form
{
public WorkStatusesForm()
{
InitializeComponent();
}
public BusinessLogic BusinessLogic = new BusinessLogic();
AutoschoolDataSet dataSet;
int LastSelectionIndex;
bool FormLoad = false;
bool FirstLoad = true;
void ReloadWorkStatuses()
{
dataSet = BusinessLogic.ReadWorkStatuses();
WorkStatuses_dataGridView.DataSource = dataSet;
WorkStatuses_dataGridView.DataMember = "WorkStatuses";
WorkStatuses_dataGridView.Columns["ID"].Visible = false;
WorkStatuses_dataGridView.Columns["Name"].Visible = false;
IDColumn.DataPropertyName = "ID";
NameColumn.DataPropertyName = "Name";
if (LastSelectionIndex != -1)
WorkStatuses_dataGridView.CurrentCell = WorkStatuses_dataGridView[1, LastSelectionIndex];
}
private void WorkStatusesForm_Load(object sender, EventArgs e)
{
LastSelectionIndex = -1;
ReloadWorkStatuses();
FormLoad = true;
Edit_button.Enabled = false;
Delete_button.Enabled = false;
WorkStatuses_dataGridView_SelectionChanged(sender, e);
}
private void WorkStatuses_dataGridView_SelectionChanged(object sender, EventArgs e)
{
if (FormLoad && WorkStatuses_dataGridView.SelectedRows.Count == 1 && WorkStatuses_dataGridView.SelectedRows[0].Cells["NameColumn"].Value.ToString() != "Работает")
{
Edit_button.Enabled = true;
Delete_button.Enabled = true;
}
else
{
Edit_button.Enabled = false;
Delete_button.Enabled = false;
}
}
private void Add_button_Click(object sender, EventArgs e)
{
dataSet = BusinessLogic.ReadWorkStatuses();
AddEditWorkStatusesForm AddWorkStatus = new AddEditWorkStatusesForm(dataSet.WorkStatuses, null);
AddWorkStatus.Text = "Добавление рабочего статуса";
this.Enabled = false;
AddWorkStatus.ShowDialog();
if (AddWorkStatus.DialogResult == DialogResult.OK)
{
dataSet = BusinessLogic.WriteWorkStatuses(dataSet);
ReloadWorkStatuses();
}
this.Enabled = true;
}
private void Edit_button_Click(object sender, EventArgs e)
{
dataSet = BusinessLogic.ReadWorkStatuses();
LastSelectionIndex = WorkStatuses_dataGridView.SelectedRows[0].Index;
AddEditWorkStatusesForm EditWorkStatus = new AddEditWorkStatusesForm(dataSet.WorkStatuses, dataSet.WorkStatuses.Rows.Find(WorkStatuses_dataGridView.SelectedRows[0].Cells["ID"].Value));
EditWorkStatus.Text = "Редактирование рабочего статуса";
this.Enabled = false;
EditWorkStatus.ShowDialog();
if (EditWorkStatus.DialogResult == DialogResult.OK)
{
dataSet = BusinessLogic.WriteWorkStatuses(dataSet);
ReloadWorkStatuses();
}
this.Enabled = true;
}
private void Delete_button_Click(object sender, EventArgs e)
{
LastSelectionIndex = -1;
if (WorkStatuses_dataGridView.SelectedRows.Count != 1)
{
MessageBox.Show("Не выбрана строка для удаления", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
DialogResult result = MessageBox.Show("Вы действительно хотите удалить выбранную запись?", "Подтверждение удаления", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (result == DialogResult.Yes)
{
try
{
dataSet.WorkStatuses.Rows.Find(WorkStatuses_dataGridView.SelectedRows[0].Cells["ID"].Value).Delete();
dataSet = BusinessLogic.WriteWorkStatuses(dataSet);
ReloadWorkStatuses();
}
catch
{
MessageBox.Show("Не удалось удалить выбранную строку.\nСкорее всего, на данную строку имеются ссылки из других таблиц", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
ReloadWorkStatuses();
}
}
}
private void WorkStatusesForm_FormClosing(object sender, FormClosingEventArgs e)
{
e.Cancel = true;
Hide();
WorkersForm.WorkStatusesFormOpened = false;
}
private void Reload_button_Click(object sender, EventArgs e)
{
LastSelectionIndex = -1;
ReloadWorkStatuses();
}
private void Close_button_Click(object sender, EventArgs e)
{
Close();
}
private void WorkStatusesForm_VisibleChanged(object sender, EventArgs e)
{
if (Visible)
{
if (!FirstLoad)
Reload_button_Click(sender, e);
else
FirstLoad = false;
}
}
}
}