107 lines
2.6 KiB
C#
107 lines
2.6 KiB
C#
using DesktopTools.Interfaces;
|
||
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, IBaseControl
|
||
{
|
||
/// <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();
|
||
_baseControl = this;
|
||
|
||
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);
|
||
panelControl.Controls.Add(buttonLoad);
|
||
}
|
||
|
||
public void SetDefaultValue() => _originalValue = null;
|
||
|
||
public 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 void DropValueForControl()
|
||
{
|
||
if (_originalValue != null)
|
||
{
|
||
using MemoryStream mStream = new(_originalValue as byte[]);
|
||
pictureBox.Image = Image.FromStream(mStream);
|
||
}
|
||
else if (!_mustFilling)
|
||
{
|
||
pictureBox.Image = null;
|
||
}
|
||
}
|
||
|
||
public bool CheckValueForControl()
|
||
{
|
||
if (_mustFilling && pictureBox.Image == null)
|
||
{
|
||
BackColor = Color.OrangeRed;
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
public 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[]));
|
||
}
|
||
|
||
public string GetPropertyName() => _propertyName;
|
||
}
|
||
} |