/// <summary>
/// React to generate request.
/// Validate selection and destination before passing on final generate order.
/// </summary>
/// <param name="destination">Destination folder for resulting files (folder path).</param>
/// <param name="property">Index of the desired grouping function.</param>
/// <param name="limit">Batch size limit (voters / file).</param>
public void GenerateHandler(string destination, int property, int limit)
{
// Selection validation.
int old = model.ValidateSelection();
DialogResult result = DialogResult.None;
if (old > 0)
{
result = MessageBox.Show("The selection contains " + old + " voters who already had their voter cards generated previously, do you wish to continue?", "Cards already generated", MessageBoxButtons.YesNo);
}
if (old == -1)
{
return;
}
if (result == DialogResult.No)
{
return;
}
// Destination validation.
result = DialogResult.None;
if (Directory.Exists(destination))
{
result = MessageBox.Show("The specified folder does not exist and will be created, do you wish to continue?", "Unknown folder", MessageBoxButtons.OKCancel);
}
if (result == DialogResult.OK)
{
Directory.CreateDirectory(destination);
}
else if (result == DialogResult.Cancel)
{
return;
}
view.GeneratingMode("Initializing..");
model.Generate(destination, property, limit);
}
