public Model()
{
_dataManagement = new DataManagement(DataManagement.GetSystemDirection() + @"\CommodityInformation.xlsx", 1);
_dataManagement.LoadProduct(_products);
_dataManagement.CloseExcel();
FindAllTypeInProducts();
}
//顯示商品的圖片和介紹
private void ShowImageAndIntroduction(object sender, DataGridViewCellEventArgs e)
{
Image image = System.Drawing.Bitmap.FromFile(DataManagement.GetSystemDirection() + @"\picture\" + _products[e.RowIndex].Name + @".jpg");
_introduction.Text = _products[e.RowIndex].Introduction;
_image.Image = image;
}
//新加一個Button
private void AddButton(TableLayoutPanel layoutName, int id)
{
Product product = _model.GetProductById(id);
ProductButton button = new ProductButton(id);
layoutName.Controls.Add(button, 0, 0);
button.Dock = System.Windows.Forms.DockStyle.Fill;
button.Name = product.Name;
button.Tag = product.Type;
button.Image = Image.FromFile(DataManagement.GetSystemDirection() + @"\picture\" + product.Name + @".jpg");
button.Click += new System.EventHandler(this.ClickProduct);
button.BackgroundImageLayout = ImageLayout.Stretch;
}
//畫DeleteButton的Icon
private void PaintGridCell(object sender, DataGridViewCellPaintingEventArgs e)
{
const int TWO = 2;
if (e.RowIndex < 0)
{
return;
}
//I supposed your button column is at index 0
if (e.ColumnIndex == 0)
{
Image img = Image.FromFile(DataManagement.GetSystemDirection() + @"\picture\" + @"DeleteImage.jpg");
e.Paint(e.CellBounds, DataGridViewPaintParts.All);
var w = img.Width;
var h = img.Height;
var x = e.CellBounds.Left + (e.CellBounds.Width - w) / TWO;
var y = e.CellBounds.Top + (e.CellBounds.Height - h) / TWO;
e.Graphics.DrawImage(img, new Rectangle(x, y, w, h));
e.Handled = true;
}
}