DepartmentProject/DepartmentPortal/Common/DesktopTools/BaseControls/BaseControlEnum.cs

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2.2 KiB
C#
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using System;
using System.Drawing;
using System.Windows.Forms;
namespace DesktopTools.BaseControls
{
/// <summary>
/// Контрол, предоставляющий работу с перечислениями
/// </summary>
public partial class BaseControlEnum : AbstractBaseControl
{
/// <summary>
/// Конструктор
/// </summary>
/// <param name="propertyName"></param>
/// <param name="mustFilling"></param>
/// <param name="readOnly"></param>
/// <param name="enumType"></param>
public BaseControlEnum(string propertyName, bool mustFilling, bool readOnly, Type enumType) : base(propertyName, mustFilling, readOnly)
{
InitializeComponent();
if (!_mustFilling)
{
checkBoxNullable.CheckedChanged += (object sender, EventArgs e) =>
{
comboBox.Enabled = !(sender as CheckBox).Checked;
CallOnValueChangeEvent();
};
panelControl.Controls.Add(checkBoxNullable);
}
comboBox.Items.Clear();
foreach (var val in Enum.GetValues(enumType))
{
comboBox.Items.Add(val);
}
comboBox.SelectedIndexChanged += (object sender, EventArgs e) => { CallOnValueChangeEvent(); };
panelControl.Controls.Add(comboBox);
}
protected override void SetDefaultValue() => _originalValue = null;
protected override void SetValueToControl(object value)
{
if (value != null)
{
comboBox.SelectedIndex = comboBox.Items.IndexOf(value);
}
else if (!_mustFilling)
{
checkBoxNullable.Checked = true;
}
}
public override void DropValue()
{
if (_originalValue != null)
{
comboBox.SelectedIndex = comboBox.Items.IndexOf(_originalValue);
}
else if (!_mustFilling)
{
checkBoxNullable.Checked = true;
}
}
public override bool CheckValue()
{
if (_mustFilling && comboBox.SelectedIndex == -1)
{
BackColor = Color.OrangeRed;
return false;
}
return true;
}
protected override object GetValueFromControl()
{
if (_mustFilling && comboBox.SelectedIndex == -1)
{
throw new ArgumentNullException($"Поле свойства '{labelTitle.Text}' должно быть заполнено");
}
return checkBoxNullable.Checked ? null : comboBox.SelectedItem;
}
}
}