private void Add_Click(object sender, EventArgs e)
{
// Validation rules
if (dataGridView.Rows.Count == 0)
{
MessageBox.Show("Моля заредете първо данните с бутона \"Прегледай\".");
Clear();
return;
}
if (chooseList.Text == string.Empty)
{
MessageBox.Show("Моля изберете първо тип двигател за добавяне.");
return;
}
else if (string.IsNullOrEmpty(PriceRedTextbox.Text) || string.IsNullOrEmpty(PriceGreenTextbox.Text) ||
string.IsNullOrEmpty(CapacityTextbox.Text) || string.IsNullOrEmpty(VoltageTextbox.Text) ||
string.IsNullOrEmpty(RpmTextbox.Text) || string.IsNullOrEmpty(AmperageTextbox.Text))
{
MessageBox.Show("Моля въведете всички полета.");
Clear();
return;
}
string idAsString = dataGridView.CurrentRow.Cells["Id"].Value.ToString();
string priceRedCardAsString = PriceRedTextbox.Text.Trim();
string priceGreenCardAsString = PriceGreenTextbox.Text.Trim();
string capacityAsString = CapacityTextbox.Text.Trim();
string voltageAsString = VoltageTextbox.Text.Trim();
string rpmAsString = RpmTextbox.Text.Trim();
string amperageAsString = AmperageTextbox.Text.Trim();
string patternForValidation = @"^[0-9]*$";
if (!Regex.IsMatch(idAsString, patternForValidation) || !Regex.IsMatch(priceRedCardAsString, patternForValidation) ||
!Regex.IsMatch(priceGreenCardAsString, patternForValidation) ||
!Regex.IsMatch(capacityAsString, patternForValidation) ||
!Regex.IsMatch(voltageAsString, patternForValidation) || !Regex.IsMatch(rpmAsString, patternForValidation) ||
!Regex.IsMatch(amperageAsString, patternForValidation))
{
MessageBox.Show("Невалидни данни за вход. Моля въведете само цифри.");
Clear();
return;
}
// Parsing string to data variables
int id = Convert.ToInt32(idAsString);
decimal priceRedCard = decimal.Parse(priceRedCardAsString);
decimal priceGreenCard = decimal.Parse(priceGreenCardAsString);
double capacity = double.Parse(capacityAsString);
int voltage = int.Parse(voltageAsString);
int rpm = int.Parse(rpmAsString);
int amperage = int.Parse(amperageAsString);
// Main logic
if (chooseList.Text == "Asynchrone")
{
AcEngine acEngine = new AcEngine(id, priceRedCard, priceGreenCard, capacity, voltage, rpm, amperage);
using (EngineDbContext db = new EngineDbContext())
{
// Update information
if (AddBtn.Text == "Ъпдейт")
{
db.Entry(acEngine).State = EntityState.Modified;
}
else // Add information
{
db.AcEngines.Add(acEngine);
Counter(true);
}
db.SaveChanges();
}
Clear();
ShowDataGridView();
MessageBox.Show("Submitted successfully.");
}
else if (chooseList.Text == "Dc")
{
DcEngine dcEngine = new DcEngine(id, priceRedCard, priceGreenCard, capacity, voltage, rpm, amperage);
using (EngineDbContext db = new EngineDbContext())
{
// Update information
if (AddBtn.Text == "Ъпдейт")
{
db.Entry(dcEngine).State = EntityState.Modified;
}
else // Add information
{
db.DcEngines.Add(dcEngine);
Counter(true);
}
db.SaveChanges();
}
Clear();
ShowDataGridView();
MessageBox.Show("Submitted successfully.");
}
else if (chooseList.Text == "Generator")
{
Generator generator = new Generator(id, priceRedCard, priceGreenCard, capacity, voltage, rpm, amperage);
using (EngineDbContext db = new EngineDbContext())
{
// Update information
if (AddBtn.Text == "Ъпдейт")
{
db.Entry(generator).State = EntityState.Modified;
}
else // Add information
{
db.Generators.Add(generator);
Counter(true);
}
db.SaveChanges();
}
Clear();
ShowDataGridView();
MessageBox.Show("Submitted successfully.");
}
}
private void DeleteBtn_Click(object sender, EventArgs e)
{
// Validation message
bool confirmation = MessageBox.Show("Сигурни ли сте, че искате да изтриете данните?", "Изтриване", MessageBoxButtons.YesNo)
== DialogResult.Yes;
// Main logic
if (confirmation)
{
using (EngineDbContext db = new EngineDbContext())
{
if (chooseList.Text == "Asynchrone")
{
AcEngine acEngineToDelete = new AcEngine
{
Id = Convert.ToInt32(dataGridView.CurrentRow.Cells["Id"].Value)
};
var entry = db.Entry(acEngineToDelete);
if (entry.State == EntityState.Detached)
{
db.AcEngines.Attach(acEngineToDelete);
}
db.AcEngines.Remove(acEngineToDelete);
Counter(false);
db.SaveChanges();
ShowDataGridView();
Clear();
MessageBox.Show("Deleted successfully.");
}
else if (chooseList.Text == "Dc")
{
DcEngine dcEngineToDelete = new DcEngine
{
Id = Convert.ToInt32(dataGridView.CurrentRow.Cells["Id"].Value)
};
var entry = db.Entry(dcEngineToDelete);
if (entry.State == EntityState.Detached)
{
db.DcEngines.Attach(dcEngineToDelete);
}
db.DcEngines.Remove(dcEngineToDelete);
Counter(false);
db.SaveChanges();
ShowDataGridView();
Clear();
MessageBox.Show("Deleted successfully.");
}
else if (chooseList.Text == "Generator")
{
Generator generatorToDelete = new Generator
{
Id = Convert.ToInt32(dataGridView.CurrentRow.Cells["Id"].Value)
};
var entry = db.Entry(generatorToDelete);
if (entry.State == EntityState.Detached)
{
db.Generators.Attach(generatorToDelete);
}
db.Generators.Remove(generatorToDelete);
Counter(false);
db.SaveChanges();
ShowDataGridView();
Clear();
MessageBox.Show("Deleted successfully.");
}
}
}
}
private void RotateBtn_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(IdTextbox.Text) || string.IsNullOrEmpty(VoltageAmount.Text))
{
MessageBox.Show("Моля въведете полето/полетата.");
Clear();
}
else
{
string voltageAmount = VoltageAmount.Text.Trim();
string id = IdTextbox.Text.Trim();
string patternForValidation = @"^[0-9]*$";
// Validation
if (!Regex.IsMatch(voltageAmount, patternForValidation) || !Regex.IsMatch(id, patternForValidation))
{
MessageBox.Show("Моля въведете само цифри.");
Clear();
return;
}
// Main logic
int voltageFromUser = int.Parse(voltageAmount);
int engineId = int.Parse(id);
if (chooseList.Text == "Asynchrone")
{
AcEngine acEngine = new AcEngine();
using (EngineDbContext db = new EngineDbContext())
{
acEngine = db.AcEngines.Where(x => x.Id == engineId).FirstOrDefault();
if (acEngine == null)
{
MessageBox.Show("Не съществува такова ид в базата данни.");
Clear();
return;
}
}
int maximumAllowedRpm = acEngine.Rpm;
acEngine.RotateClockwize(voltageFromUser, maximumAllowedRpm);
}
else if (chooseList.Text == "Dc")
{
DcEngine dcEngine = new DcEngine();
using (EngineDbContext db = new EngineDbContext())
{
dcEngine = db.DcEngines.Where(x => x.Id == engineId).FirstOrDefault();
if (dcEngine == null)
{
MessageBox.Show("Не съществува такова ид в базата данни.");
Clear();
return;
}
}
int maximumAllowedRpm = dcEngine.Rpm;
dcEngine.RotateClockwize(voltageFromUser, maximumAllowedRpm);
}
else
{
MessageBox.Show("Моля изберете тип двигател.");
Clear();
return;
}
Clear();
}
}
private void DataGridView_DoubleClick(object sender, EventArgs e)
{
// Validation rule
if (dataGridView.Rows.Count == 0)
{
MessageBox.Show("Моля заредете първо данните с бутона \"Прегледай\".");
return;
}
// Main logic
if (dataGridView.CurrentRow.Index != -1)
{
if (chooseList.Text == "Asynchrone")
{
AcEngine updatedAcEngine = new AcEngine
{
Id = Convert.ToInt32(dataGridView.CurrentRow.Cells["Id"].Value)
};
using (EngineDbContext db = new EngineDbContext())
{
updatedAcEngine = db.AcEngines.Where(x => x.Id == updatedAcEngine.Id).FirstOrDefault();
PriceRedTextbox.Text = updatedAcEngine.PriceRedCard.ToString();
PriceGreenTextbox.Text = updatedAcEngine.PriceGreenCard.ToString();
CapacityTextbox.Text = updatedAcEngine.Capacity.ToString();
VoltageTextbox.Text = updatedAcEngine.Voltage.ToString();
RpmTextbox.Text = updatedAcEngine.Rpm.ToString();
AmperageTextbox.Text = updatedAcEngine.Amperage.ToString();
}
AddBtn.Text = "Ъпдейт";
DeleteBtn.Enabled = true;
}
else if (chooseList.Text == "Dc")
{
DcEngine updatedDcEngine = new DcEngine
{
Id = Convert.ToInt32(dataGridView.CurrentRow.Cells["Id"].Value)
};
using (EngineDbContext db = new EngineDbContext())
{
updatedDcEngine = db.DcEngines.Where(x => x.Id == updatedDcEngine.Id).FirstOrDefault();
PriceRedTextbox.Text = updatedDcEngine.PriceRedCard.ToString();
PriceGreenTextbox.Text = updatedDcEngine.PriceGreenCard.ToString();
CapacityTextbox.Text = updatedDcEngine.Capacity.ToString();
VoltageTextbox.Text = updatedDcEngine.Voltage.ToString();
RpmTextbox.Text = updatedDcEngine.Rpm.ToString();
AmperageTextbox.Text = updatedDcEngine.Amperage.ToString();
}
AddBtn.Text = "Ъпдейт";
DeleteBtn.Enabled = true;
}
else if (chooseList.Text == "Generator")
{
Generator updatedGenerator = new Generator
{
Id = Convert.ToInt32(dataGridView.CurrentRow.Cells["Id"].Value)
};
using (EngineDbContext db = new EngineDbContext())
{
updatedGenerator = db.Generators.Where(x => x.Id == updatedGenerator.Id).FirstOrDefault();
PriceRedTextbox.Text = updatedGenerator.PriceRedCard.ToString();
PriceGreenTextbox.Text = updatedGenerator.PriceGreenCard.ToString();
CapacityTextbox.Text = updatedGenerator.Capacity.ToString();
VoltageTextbox.Text = updatedGenerator.Voltage.ToString();
RpmTextbox.Text = updatedGenerator.Rpm.ToString();
AmperageTextbox.Text = updatedGenerator.Amperage.ToString();
}
AddBtn.Text = "Ъпдейт";
DeleteBtn.Enabled = true;
}
}
}
private void CalculateBtn_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(IdTextbox.Text))
{
MessageBox.Show("Моля въведете полето за ид.");
Clear();
}
else
{
string id = IdTextbox.Text.Trim();
string patternForValidation = @"^[0-9]*$";
// Validation
if (!Regex.IsMatch(id, patternForValidation))
{
MessageBox.Show("Моля въведете само цифри.");
Clear();
return;
}
// Main logic
int engineId = int.Parse(id);
if (chooseList.Text == "Asynchrone")
{
AcEngine acEngine = new AcEngine();
using (EngineDbContext db = new EngineDbContext())
{
acEngine = db.AcEngines.Where(x => x.Id == engineId).FirstOrDefault();
if (acEngine == null)
{
MessageBox.Show("Не съществува такова ид в базата данни.");
Clear();
return;
}
}
acEngine.CalculateKPD(acEngine.Capacity, acEngine.Voltage, acEngine.Amperage);
}
else if (chooseList.Text == "Dc")
{
DcEngine dcEngine = new DcEngine();
using (EngineDbContext db = new EngineDbContext())
{
dcEngine = db.DcEngines.Where(x => x.Id == engineId).FirstOrDefault();
if (dcEngine == null)
{
MessageBox.Show("Не съществува такова ид в базата данни.");
Clear();
return;
}
}
dcEngine.CalculateKPD(dcEngine.Capacity, dcEngine.Voltage, dcEngine.Amperage);
}
else
{
MessageBox.Show("Моля изберете тип двигател.");
Clear();
return;
}
Clear();
}
}
