//edits the deatails of the current class
private void EditClass(object sender, EventArgs e)
{
//TODO where does the class to be editied come from
EditClassForm editClass = new EditClassForm();
editClass.PublicClass = mainClass;
editClass.populateClassForm();
editClass.ShowDialog();
//if the values on the form have been updated then commit the changes to the database
if (editClass.FormStatus == 1)
{
//check to make sure a connection exisists
if (dbConnention.IsConnected())
{
//update the class table in the database
dbConnention.UpdateClass(editClass.PublicClass);
mainClass = editClass.PublicClass;
}
else
{
MessageBox.Show("No connection exists, unable to save class data.");
}
}
}
//creates a new class
//TODO still needs to acount for functionality to re populate the new main form once the class is created
private void CreateNewClass(object sender, EventArgs e)
{
//open
SaveFileDialog saveFile = new SaveFileDialog();
saveFile.AddExtension = true;
saveFile.Filter = "GradersAssistant DB Files (*.gadb)|*.gadb";
saveFile.OverwritePrompt = true;
saveFile.Title = "Create New Class File";
saveFile.ValidateNames = true;
saveFile.ShowDialog();
if (saveFile.FileName != string.Empty)
{
try
{
studentComboBox.Items.Clear();
Stream template = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream("GradersAssistant.template.gat");
FileStream fileOut = new FileStream(saveFile.FileName, FileMode.OpenOrCreate, FileAccess.Write);
//FileStream fileOut = new FileStream(saveFile.FileName, FileMode.Create, FileAccess.Write);
// Now that we have the stream, we have to save it.
int len = 256;
Byte[] buffer = new Byte[len];
int bytesRead = template.Read(buffer, 0, len);
while (bytesRead > 0)
{
fileOut.Write(buffer, 0, bytesRead);
bytesRead = template.Read(buffer, 0, len);
}
template.Close();
fileOut.Close();
//open edit class form in add mode
EditClassForm addClass = new EditClassForm();
addClass.FormStatus = 0;
addClass.ShowDialog();
//if the values on the form have been updated then commit the changes to the database
if (addClass.FormStatus == 1)
{
//check to make sure a connection exisists
if (dbConnention.ConnectDB(saveFile.FileName))
{
//insert
if (dbConnention.AddClass(addClass.PublicClass))
{
mainClass = addClass.PublicClass;
classOpenEnableMenu();
}
else
{
MessageBox.Show("Class data failed to save to file!");
}
}
else
{
MessageBox.Show("No connection exists, unable to save class data.");
}
}
}
catch (Exception ex)
{
//if the template file does not exiist output an error message
MessageBox.Show("SYSTEM ERROR!!!!:\n This instilation of Graders Assistant\n appears to be corrupt. Please\n restart the program and try again.\n If the problem continues please reinstall \n the program and try again.");
}
}
}
