private void button2_Click(object sender, EventArgs e)
{
if (textBox1.Text != "")
{
route = new Route();
float length;
if (!float.TryParse(textBox2.Text.Replace('.', ','), out length))
{
MessageBox.Show("Потрібно ввести нормальну довжину маршруту!");
return;
}
route.Name = textBox1.Text;
if (!Model.Context.Routes.Any(r => r.Name == textBox1.Text))
{
route.Length = length;
if (image != null)
route.Image = new System.Data.Linq.Binary(image);
Model.Context.Routes.InsertOnSubmit(route);
Model.Context.SubmitChanges();
DialogResult = DialogResult.OK;
Close();
}
else
{
MessageBox.Show("Маршрут з таким іменем вже існує!");
}
}
else
{
MessageBox.Show("Потрібно ввести назву маршруту!");
}
}
partial void DeleteRoute(Route instance);
partial void UpdateRoute(Route instance);
partial void InsertRoute(Route instance);
private void LoadPicture(Route r)
{
if (imageCache.ContainsKey(r.Name))
{
image = imageCache[r.Name];
}
else if (r.Image != null)
{
image = (Image)convertor.ConvertFrom(r.Image.ToArray());
imageCache.Add(r.Name, image);
}
if (image != null)
{
hb = image.Width > pictureBox1.Width;
vb = image.Height > pictureBox1.Height;
if (hb)
{
if (vb)
imageOffset = Point.Empty;
else
imageOffset = new Point(0, (pictureBox1.Height - image.Height) / 2);
}
else if (vb)
{
imageOffset = new Point((pictureBox1.Width - image.Width) / 2, 0);
}
else
{
imageOffset = new Point((pictureBox1.Width - image.Width) / 2, (pictureBox1.Height - image.Height) / 2);
}
}
else
{
imageOffset = Point.Empty;
}
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBox1.SelectedIndex >= 0)
{
System.Diagnostics.Stopwatch watch = System.Diagnostics.Stopwatch.StartNew();
// Route r = Model.Context.Routes.First(rt => rt.Name == comboBox1.SelectedItem.ToString());
Route r = d_routes[comboBox1.SelectedItem.ToString()];
selectedRoute = r;
double result = watch.ElapsedTicks / (double)System.Diagnostics.Stopwatch.Frequency;
LoadPicture(selectedRoute);
label2.Text = "Довжина " + r.Length.ToString("F3") + " км";
RefreshGrid();
pictureBox1.Invalidate();
}
}
