private void btnAddToCatalog_Click(object sender, EventArgs e)
{
//Variable for the gender
string gender = "";
//Check to see if the age is below 0
try
{
if (double.Parse(txtBxAge.Text.ToString()) < 0)
{
MessageBox.Show("Age cannot be less than 0");
txtBxAge.Text = ""; //Reset the box
}
}
catch (FormatException)
{
}
//Check to see which radio button was pressed
if (rbFemale.Checked == true)
{
gender = "Female";
}
if (rbMale.Checked == true)
{
gender = "Male";
}
//Create the object only if all fields all filled in
if (chkBxPureBreed.Checked == true && txtBxName.Text != "" && txtBxAge.Text != ""
&& txtBxColor.Text != "" && cmbBxBreed.Text != String.Empty && cmBxCategory.Text != String.Empty
&& (this.rbFemale.Checked || this.rbMale.Checked))
{
try
{
//Create the pure breed dog object
Dog pureDog = new Dog(txtBxName.Text.ToString(), cmbBxBreed.SelectedItem.ToString(), double.Parse(txtBxAge.Text.ToString()),
gender, txtBxColor.Text.ToString(), cmBxCategory.SelectedItem.ToString());
saveToFile(pureDog);
}
catch (NullReferenceException ne)
{
MessageBox.Show("An error occured!!! \n\n" + ne.Message + "\n\nPerhaps you did not select a property in the drop down box?");
}
catch (FormatException)
{
MessageBox.Show("Please enter in a number for the 'Age' field \n\n Eg: 0.3 (3 months) or 2 (as in 2 Years)");
txtBxAge.Clear();
}
}
else if (txtBxName.Text != "" && txtBxAge.Text != ""
&& txtBxColor.Text != "" && chkBxPureBreed.Checked == false && (this.rbFemale.Checked ||
this.rbMale.Checked))
{
//Create the non pure breed dog object
try
{
Dog mixDog = new Dog(txtBxName.Text.ToString(), double.Parse(txtBxAge.Text.ToString()),
gender, txtBxColor.Text.ToString());
saveToFile(mixDog);
}
catch (FormatException)
{
MessageBox.Show("Please enter in a number for the 'Age' field \n\n Eg: 0.3 (3 months) or 2 (as in 2 Years)");
}
}
else
{
MessageBox.Show("Please fill out all fields before clicking 'Add to Catalogue'");
}
}
private void saveToFile(Dog aDog)
{
try
{
FileStream filStream = new FileStream(filename, FileMode.Append);
BinaryWriter binWriter = new BinaryWriter(filStream);
binWriter.Write(aDog.Name);
binWriter.Write(aDog.Age);
binWriter.Write(aDog.Gender);
binWriter.Write(aDog.Color);
if (aDog.Breed == null)
{
aDog.Breed = "Mix breed";
binWriter.Write(aDog.Breed);
aDog.DogCatagory = "None";
binWriter.Write(aDog.DogCatagory);
}
else
{
binWriter.Write(aDog.Breed);
}
binWriter.Close(); // Close the writer
filStream.Close(); //Close the reader
////Add items to the arrayList
dogList.Add(aDog.Name);
dogList.Add(aDog.Age);
dogList.Add(aDog.Gender);
dogList.Add(aDog.Color);
dogList.Add(aDog.Breed);
dogList.Add(aDog.DogCatagory);
}
//If an error arises, catch it
catch (IOException io)
{
MessageBox.Show("There was an error writing to the file \n\nThe error is " + io.Message);
this.Close();
}
//Success!
DialogResult dialogResult = MessageBox.Show("\tSaved succesfully!\n\nWould you like to save another?", "Saved Successfuly", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
//Just get rid of it by clicking the button
}
else if (dialogResult == DialogResult.No)
{
ArrayList dogData = new ArrayList();
// Serialize the arraylist to a binary file
var serializer = new BinaryFormatter();
try
{
using (var stream = File.OpenRead("dogData.dat"))
{
dogData = (ArrayList)serializer.Deserialize(stream);
dogList.Add(dogData);
}
using (var stream = File.OpenWrite("dogData.dat"))
{
serializer.Serialize(stream, dogList);
}
}
catch (FileNotFoundException)
{
using (var stream = File.OpenWrite("dogData.dat"))
{
serializer.Serialize(stream, dogList);
}
}
this.Hide();
}
//Reset form
txtBxName.Text = "";
txtBxAge.Text = "";
txtBxColor.Text = "";
cmbBxBreed.SelectedIndex = -1;
rbFemale.Checked = false;
rbMale.Checked = false;
chkBxPureBreed.Checked = false;
}