101 lines
2.5 KiB
C#
101 lines
2.5 KiB
C#
|
using System;
|
|||
|
|
using System.Drawing;
|
|||
|
|
using System.IO;
|
|||
|
|
using System.Windows.Forms;
|
|||
|
|
|
|||
|
|
namespace DesktopTools.BaseControls
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Контрол, предоставляющий работу с изображением
|
|||
|
|
/// </summary>
|
|||
|
|
public partial class BaseControlImage : AbstractBaseControl
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Конструктор
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="propertyName"></param>
|
|||
|
|
/// <param name="mustFilling"></param>
|
|||
|
|
/// <param name="readOnly"></param>
|
|||
|
|
/// <param name="width"></param>
|
|||
|
|
/// <param name="height"></param>
|
|||
|
|
public BaseControlImage(string propertyName, bool mustFilling, bool readOnly, int? width, int? height) : base(propertyName, mustFilling, readOnly)
|
|||
|
|
{
|
|||
|
|
InitializeComponent();
|
|||
|
|
if (width.HasValue)
|
|||
|
|
{
|
|||
|
|
Width = width.Value;
|
|||
|
|
}
|
|||
|
|
if (height.HasValue)
|
|||
|
|
{
|
|||
|
|
Height = height.Value;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
buttonLoad.Click += (object sender, EventArgs e) =>
|
|||
|
|
{
|
|||
|
|
var dialog = new OpenFileDialog();
|
|||
|
|
if (dialog.ShowDialog() == DialogResult.OK)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
pictureBox.ClientSize = new Size(150, 150);
|
|||
|
|
pictureBox.Image = new Bitmap(dialog.FileName);
|
|||
|
|
CallOnValueChangeEvent();
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
MessageBox.Show(ex.Message, "Ошибка при загрузке файла", MessageBoxButtons.OK, MessageBoxIcon.Error);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
panelControl.Controls.Add(pictureBox);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected override void SetDefaultValue() => _originalValue = null;
|
|||
|
|
|
|||
|
|
protected override void SetValueToControl(object value)
|
|||
|
|
{
|
|||
|
|
if (value != null)
|
|||
|
|
{
|
|||
|
|
using MemoryStream mStream = new(value as byte[]);
|
|||
|
|
pictureBox.Image = Image.FromStream(mStream);
|
|||
|
|
}
|
|||
|
|
else if (!_mustFilling)
|
|||
|
|
{
|
|||
|
|
pictureBox.Image = null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void DropValue()
|
|||
|
|
{
|
|||
|
|
if (_originalValue != null)
|
|||
|
|
{
|
|||
|
|
using MemoryStream mStream = new(_originalValue as byte[]);
|
|||
|
|
pictureBox.Image = Image.FromStream(mStream);
|
|||
|
|
}
|
|||
|
|
else if (!_mustFilling)
|
|||
|
|
{
|
|||
|
|
pictureBox.Image = null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool CheckValue()
|
|||
|
|
{
|
|||
|
|
if (_mustFilling && pictureBox.Image == null)
|
|||
|
|
{
|
|||
|
|
BackColor = Color.OrangeRed;
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected override object GetValueFromControl()
|
|||
|
|
{
|
|||
|
|
if (_mustFilling && pictureBox.Image == null)
|
|||
|
|
{
|
|||
|
|
throw new ArgumentNullException($"Поле свойства '{labelTitle.Text}' должно быть заполнено");
|
|||
|
|
}
|
|||
|
|
var converter = new ImageConverter();
|
|||
|
|
return (byte[])converter.ConvertTo(pictureBox.Image, typeof(byte[]));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|