private void LoadComponents()
{
Contact.Contacts.Clear();
if (File.Exists(@"..\..\contacts.txt"))
{
var reader = new StreamReader(@"..\..\contacts.txt");
try
{
using (reader)
{
var serializedPersons = reader.ReadToEnd();
var persons = serializedPersons.Split(new string[] { Environment.NewLine },
StringSplitOptions.RemoveEmptyEntries);
foreach (var person in persons)
{
if (person.StartsWith(ContactGroup.Family.ToString()))
{
Contact contact = new FamillyContact();
Contact.AddContact(contact.Deserialize(person));
}
else if (person.StartsWith(ContactGroup.Business.ToString()))
{
Contact contact = new BusinessContact();
Contact.AddContact(contact.Deserialize(person));
}
else if (person.StartsWith(ContactGroup.Friends.ToString()))
{
Contact contact = new FriendContact();
Contact.AddContact(contact.Deserialize(person));
}
else if (person.StartsWith(ContactGroup.Other.ToString()))
{
Contact contact = new OtherContact();
Contact.AddContact(contact.Deserialize(person));
}
else
{
continue;
}
}
}
}
catch (FileLoadException ex) { MessageBox.Show(ex.Message); }
catch (IOException ex) { MessageBox.Show(ex.Message); }
}
else
{
try { File.Create(@"..\..\contacts.txt"); }
catch (PathTooLongException ex) { MessageBox.Show(ex.Message); }
catch (DirectoryNotFoundException ex) { MessageBox.Show(ex.Message); }
catch (UnauthorizedAccessException ex) { MessageBox.Show(ex.Message); }
catch (IOException ex) { MessageBox.Show(ex.Message); }
}
GroupedContacts = new ListCollectionView(Contact.Contacts);
GroupedContacts.GroupDescriptions.Add(new PropertyGroupDescription("Group"));
GroupedContacts.SortDescriptions.Add(new SortDescription("Name", ListSortDirection.Ascending));
preview.ItemsSource = GroupedContacts;
}
private void OnAddBtnClick(object sender, RoutedEventArgs e)
{
DateTime date;
bool isDate = DateTime.TryParse(this.PersonBirthday.Text, out date);
try
{
if (this.PersonName.Text.Trim() == "")
{
throw new AddressBookException("Name is mandatory!", new InvalidNameException());
}
if (this.Mobile.Text.Trim() == "")
{
throw new AddressBookException("Mobile phone is mandatory!", new InvalidPhoneException());
}
if (this.PersonBirthday.Text.Trim() != "")
{
if (!isDate)
{
throw new InvalidDateException("Enter correct date!");
}
}
if (this.Mobile.Text.Trim() != null)
{
string mobile = this.Mobile.Text.Trim();
for (int i = 0; i < mobile.Length; i++)
{
if (!char.IsDigit(mobile[i]))
{
throw new InvalidPhoneException("Enter valid mobile number!");
}
}
}
if (GroupType.SelectionBoxItem.ToString() == "Family")
{
Contact newContact = new FamillyContact(this.PersonName.Text.Trim(), this.Mobile.Text.Trim(),
this.PersonEmail.Text.Trim(), date == DateTime.MinValue ? (DateTime?)null : date);
(GroupedContacts as ListCollectionView).AddNewItem(newContact);
}
else if (GroupType.SelectionBoxItem.ToString() == "Friends")
{
Contact newContact = new FriendContact(this.PersonName.Text.Trim(), this.Mobile.Text.Trim(),
this.PersonEmail.Text.Trim(), date == DateTime.MinValue ? (DateTime?)null : date);
(GroupedContacts as ListCollectionView).AddNewItem(newContact);
}
else if (GroupType.SelectionBoxItem.ToString() == "Business")
{
Contact newContact = new BusinessContact(this.PersonName.Text.Trim(), this.Mobile.Text.Trim(),
this.PersonEmail.Text.Trim(), date == DateTime.MinValue ? (DateTime?)null : date);
(GroupedContacts as ListCollectionView).AddNewItem(newContact);
}
else
{
Contact newContact = new OtherContact(this.PersonName.Text.Trim(), this.Mobile.Text.Trim(),
this.PersonEmail.Text.Trim(), date == DateTime.MinValue ? (DateTime?)null : date);
(GroupedContacts as ListCollectionView).AddNewItem(newContact);
}
(GroupedContacts as ListCollectionView).CommitNew();
this.PersonName.Text = "";
this.PersonEmail.Text = "";
this.PersonBirthday.Text = "";
this.Mobile.Text = "";
}
catch (InvalidDateException ex) { MessageBox.Show(ex.Message); }
catch (AddressBookException ex) { MessageBox.Show(ex.Message); }
}
