// Precondition: Insert, Letter menu item activated
// Postcondition: The Letter dialog box is displayed. If data entered
// are OK, a Letter is created and added to the list
// of parcels
private void letterToolStripMenuItem_Click(object sender, EventArgs e)
{
LetterForm letterForm; // The letter dialog box form
DialogResult result; // The result of showing form as dialog
if (addressList.Count < LetterForm.MIN_ADDRESSES) // Make sure we have enough addresses
{
MessageBox.Show("Need " + LetterForm.MIN_ADDRESSES + " addresses to create letter!",
"Addresses Error");
return;
}
letterForm = new LetterForm(addressList); // Send list of addresses
result = letterForm.ShowDialog();
if (result == DialogResult.OK) // Only add if OK
{
try
{
// For this to work, LetterForm's combo boxes need to be in same
// order as addressList
Letter newLetter = new Letter(addressList[letterForm.OriginAddressIndex],
addressList[letterForm.DestinationAddressIndex],
decimal.Parse(letterForm.FixedCostText)); // Letter to be inserted
parcelList.Add(newLetter);
}
catch (FormatException) // This should never happen if form validation works!
{
MessageBox.Show("Problem with Letter Validation!", "Validation Error");
}
}
letterForm.Dispose(); // Best practice for dialog boxes
}
//event handler for Inserting a Letter
private void letterToolStripMenuItem_Click(object sender, EventArgs e)
{
LetterForm letterForm = new LetterForm(addresses);
DialogResult result; //used to store what is happened to the form
result = letterForm.ShowDialog(); // form will be opened and will be modal
if (result == DialogResult.OK)
{
Address originAddress = addresses[letterForm.OriginAddress]; //get origin address from the Letterorm
Address destinAddress = addresses[letterForm.DestAddress]; //get destination address from the LetterForm
decimal cost = decimal.Parse(letterForm.Cost); //get the cost from the LetterForm
//create letter with the data
Letter newLetter = new Letter(originAddress, destinAddress, cost);
//add the new address to the list
parcels.Add(newLetter);
}
else
{
result = DialogResult.Cancel;
}
}
//Precondition: user clicked "insert letter" menu item
//Postcondition: a new letter is added to the list
private void letterToolStripMenuItem_Click(object sender, EventArgs e)
{
LetterForm createdLetter = new LetterForm(address); //parameterized constructor
DialogResult result = createdLetter.ShowDialog(); //defines the dialog result
int originIndex = createdLetter.originComboSelectedItem; //variable for what index position was selected in origin combo box
int destinationIndex = createdLetter.destComboSelectedItem; //variable for what index position was selected in dest combo box
if (result == DialogResult.OK) //if "Ok" is the dialog result
{
Address originAddress = address[originIndex];
Address destinationAddress = address[destinationIndex];
Letter newLetter = new Letter(originAddress, destinationAddress, createdLetter.FixedCost);
//Creates a new letter object using the index positions of the two addresses and uses the fixed cost
//entered in the letter form
parcels.Add(newLetter); //adds a new letter object
}
}
// Precondition: The Insert-Letter menu item was clicked.
// Postcondition: A dialog box is displayed, prompting the user
// to select an origin address, a destination address,
// and a cost. If the user submits a new letter object
// is created and added to the parcels list.
private void letterToolStripMenuItem_Click(object sender, EventArgs e)
{
LetterForm letterForm = new LetterForm(addressList); // The dialog box form
DialogResult result; // result from dialog box
Address orAdr; // variable to hold origin address
Address destAdr; // variable to hold destination address
decimal cost; // variable to hold the cost
result = letterForm.ShowDialog(); // shows modal dialog box, waits for OK/Cancel
if (result == DialogResult.OK) // Only add if user chose OK
{
// gives variables values from dialog box
orAdr = addressList[letterForm.OrAddressIndex];
destAdr = addressList[letterForm.DestAddressIndex];
cost = decimal.Parse(letterForm.FixedCost);
Letter myLetter = new Letter(orAdr, destAdr, cost); // creates new letter object
parcels.Add(myLetter); // adds new letter to the parcel list
}
}
// Preconditions: Insert Letter is clicked
// Postconditions: Letter is created
private void letterToolStripMenuItem_Click(object sender, EventArgs e)
{
LetterForm letterform = new LetterForm();
DialogResult result = letterform.ShowDialog();
string originAddress;
string destinationAddress;
if (result == DialogResult.OK)
{
originAddress = letterform.originIndex.ToString();
destinationAddress = letterform.destinationIndex.ToString();
}
letterform.Dispose();
}
// Precondition: Insert, Letter menu item activated
// Postcondition: The Letter dialog box is displayed. If data entered
// are OK, a Letter is created and added to the list
// of parcels
private void letterToolStripMenuItem_Click(object sender, EventArgs e)
{
LetterForm letterForm; // The letter dialog box form
DialogResult result; // The result of showing form as dialog
if (addressList.Count < LetterForm.MIN_ADDRESSES) // Make sure we have enough addresses
{
MessageBox.Show("Need " + LetterForm.MIN_ADDRESSES + " addresses to create letter!",
"Addresses Error");
return;
}
letterForm = new LetterForm(addressList); // Send list of addresses
result = letterForm.ShowDialog();
if (result == DialogResult.OK) // Only add if OK
{
try
{
// For this to work, LetterForm's combo boxes need to be in same
// order as addressList
Letter newLetter = new Letter(addressList[letterForm.OriginAddressIndex],
addressList[letterForm.DestinationAddressIndex],
decimal.Parse(letterForm.FixedCostText)); // Letter to be inserted
parcelList.Add(newLetter);
}
catch (FormatException) // This should never happen if form validation works!
{
MessageBox.Show("Problem with Letter Validation!", "Validation Error");
}
}
letterForm.Dispose(); // Best practice for dialog boxes
}
