//View
public ContactEditPage(ContactRepository database)
{
//Initialize
_database = database;
//Create EntryCells
var firstNameCell = new EntryCell {Label = "First Name:"};
var lastNameCell = new EntryCell {Label = "Last Name:"};
var typeCell = new EntryCell {Label = "Contact Type:"};
var dateCell = new EntryCell { Label = "Date of Birth:"};
//Set DataBinding
firstNameCell.SetBinding(EntryCell.TextProperty, "FirstName");
lastNameCell.SetBinding(EntryCell.TextProperty, "LastName");
typeCell.SetBinding(EntryCell.TextProperty, "Type");
dateCell.SetBinding(EntryCell.TextProperty, "DateOfBirth");
//Save Btn
var saveBtn = new Button
{
Text = " Save Contact ",
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof (Button)),
HorizontalOptions = LayoutOptions.CenterAndExpand
};
saveBtn.Clicked += async (sender, args) =>
{
//Validate Text Fields
if (firstNameCell.Text == string.Empty
|| lastNameCell.Text == string.Empty
|| typeCell.Text == string.Empty
|| dateCell.Text == string.Empty)
{
await DisplayAlert
("Warning", "Please Fill In All Fields", "OK");
}
else
{
//Saves Changes to Database
var contactItem = (Contact) BindingContext;
_database.SaveContact(contactItem);
await Navigation.PopAsync();
SortContacts();
}
};
//Delete Btn
var deleteBtn = new Button
{
Text = " Delete Contact ",
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof (Button)),
HorizontalOptions = LayoutOptions.CenterAndExpand
};
deleteBtn.Clicked += async (sender, e) =>
{
//Deletes Contact from Database
var contactItem = (Contact) BindingContext;
_database.DeleteContact(contactItem);
await Navigation.PopAsync();
SortContacts();
};
//Cancel Btn
var cancelBtn = new Button
{
Text = " Cancel ",
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof (Button)),
HorizontalOptions = LayoutOptions.CenterAndExpand
};
cancelBtn.Clicked += async (sender, args) => { await Navigation.PopAsync(); };
//Create TableView
var tableView = new TableView
{
HeightRequest = 275,
Intent = TableIntent.Form,
Root = new TableRoot
{
new TableSection("Edit/Delete a Contact")
{
firstNameCell,
lastNameCell,
dateCell,
typeCell
}
}
};
//Build Button Layout
var btnLayout = new StackLayout
{
Orientation = StackOrientation.Horizontal,
Children = {saveBtn, deleteBtn, cancelBtn}
};
//Build Main Page
var main = new StackLayout
{
VerticalOptions = LayoutOptions.Start,
Children = {tableView, btnLayout}
};
Content = main;
}
