//View
public ListViewDemoPage(ContactRepository database)
{
_database = database;
//Heading
var heading = new Label
{
Text = "Contacts",
FontSize = 30,
HorizontalOptions = LayoutOptions.Start,
FontAttributes = FontAttributes.Bold | FontAttributes.Italic
};
//Setup ListView
var contacts = _database.GetContacts();
_app.ContactList = new ListView
{
//To fit custom ViewCell
RowHeight = 96,
ItemsSource = contacts.OrderBy(x => x.LastName).ToList(),
ItemTemplate = new DataTemplate(typeof (ContactCell))
};
//Setup Bindings
//_app.ContactList.ItemTemplate.SetBinding(TextCell.TextProperty, "FullName");
//_app.ContactList.ItemTemplate.SetBinding(TextCell.DetailProperty, "Type");
//Build Page
var main = new StackLayout
{
Children =
{
heading,
_app.ContactList
}
};
Content = main;
}
//View
public XFormsMenuPage()
{
//Create Database Object
var database = new ContactRepository();
Title = "Forms Menu";
var pageCommand = new Command<Type>(async pageType =>
{
var page = (Page) Activator.CreateInstance(pageType);
await Navigation.PushAsync(page);
});
#region TableView Content
Content = new TableView
{
Intent = TableIntent.Menu,
Root = new TableRoot
{
new TableSection("Views for Presentation")
{
new TextCell
{
Text = "BoxView, Images, and Webpages",
Command = pageCommand,
CommandParameter = typeof (ViewSourcesDemoPage)
},
new TextCell
{
Text = "Label",
Command = pageCommand,
CommandParameter = typeof (LabelPage)
}
},
new TableSection("Views that Initiate Commands"),
new TableSection("Views for Common Data Types"),
new TableSection("Views for Editing Text"),
new TableSection("Views to Indicate Activity"),
new TableSection("Views that Display Collections"),
new TableSection("Layouts with Single Content")
{
new TextCell
{
Text = "ScrollView",
Command = pageCommand,
CommandParameter = typeof (ScrollViewDemoPage)
}
},
new TableSection("Layouts with Multiple Children")
{
new TextCell
{
Text = "StackLayout",
Command = pageCommand,
CommandParameter = typeof (StackLayoutDemoPage)
},
new TextCell
{
Text = "ListView",
Command = new Command(async() =>
await Navigation.PushAsync(new ListViewDemoPage(database)))
}
},
new TableSection("Pages")
{
new TextCell
{
Text = "ContentPage",
Command = pageCommand,
CommandParameter = typeof (ContentDemoPage)
},
new TextCell
{
Text = "NavigationPage",
Command = pageCommand,
CommandParameter = typeof (NavigationDemoPage)
},
new TextCell
{
Text = "TabbedPage",
Command = pageCommand,
CommandParameter = typeof (TabbedPageDemo)
},
new TextCell
{
Text = "MasterDetailPage",
Command = pageCommand,
CommandParameter = typeof (MasterDetailDemoPage)
}
},
new TableSection("Class Project Apps")
{
new TextCell
{
Text = "StopWatch App",
Command = pageCommand,
CommandParameter = typeof (StopWatchApp)
},
new TextCell
{
Text = "Contact List App",
Command = new Command(async () =>
await Navigation.PushAsync(new ContactListApp(database)))
}
}
}
};
#endregion
}
//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;
}
//View
public ContactListApp(ContactRepository database)
{
//Initialize
_database = database;
//Heading
var heading = new Label
{
Text = "Contact List",
FontSize = 50,
HorizontalOptions = LayoutOptions.Start,
FontAttributes = FontAttributes.Bold | FontAttributes.Italic
};
//Buttons
var contactBtn = new Button
{
Text = "Add Contact",
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof (Button)),
BorderWidth = 1,
HorizontalOptions = LayoutOptions.EndAndExpand
};
//ButtonEventHandler
contactBtn.Clicked += async (sender, args) =>
{
await Navigation
.PushAsync(new ContactAddPage(this, database));
};
//Setup ListView
var contacts = _database.GetContacts();
_app.ContactList = new ListView
{
//To fit custom ViewCell
RowHeight = 96,
ItemsSource = contacts.OrderBy(x => x.LastName).ToList(),
ItemTemplate = new DataTemplate(typeof (ContactCell))
};
//Set Bindings (Bindings set within ContactCell for this project)
//_app.ContactList.ItemTemplate.SetBinding(ContactCell.FirstNameProperty, "FirstName");
//_app.ContactList.ItemTemplate.SetBinding(ContactCell.LastNameProperty, "FirstName");
//_app.ContactList.ItemTemplate.SetBinding(ContactCell.TypeProperty, "Type");
//_app.ContactList.ItemTemplate.SetBinding(ContactCell.DateProperty, "DateOfBirth");
//ItemSelected Event Handler
_app.ContactList.ItemSelected += async (sender, e) =>
{
var selectedContact = (Contact) e.SelectedItem;
var editPage = new ContactEditPage(database)
{
BindingContext = selectedContact
};
if (selectedContact == null) return;
await Navigation.PushAsync(editPage);
_app.ContactList.SelectedItem = null;
};
//Heading Layout
var headingLayout = new StackLayout
{
Orientation = StackOrientation.Horizontal,
Children =
{
heading,
contactBtn
}
};
//Build Main Page
var main = new StackLayout
{
Children =
{
headingLayout,
_app.ContactList
}
};
Content = main;
}
//View
public ContactAddPage(ContactListApp parentPage, ContactRepository database)
{
_parentPage = parentPage;
_database = database;
//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:" };
//Save Btn
var saveBtn = new Button
{
Text = " Save Contact ",
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof (Button)),
HorizontalOptions = LayoutOptions.CenterAndExpand
};
saveBtn.Clicked += async (sender, e) =>
{
var fName = firstNameCell.Text;
var lName = lastNameCell.Text;
var type = typeCell.Text;
var date = dateCell.Text;
//Validate Cells
if (fName != null
|| lName != null
|| type != null
|| date != null)
{
_database.AddContact(fName, lName, date, type );
_parentPage.SortContacts();
//Clear Cells
firstNameCell.Text = string.Empty;
lastNameCell.Text = string.Empty;
typeCell.Text = string.Empty;
dateCell.Text = string.Empty;
}
else
{
await DisplayAlert
("Warning", "Please Fill In All Fields", "OK");
}
};
//Return Btn
var returnBtn = new Button
{
Text = " Return ",
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof (Button)),
HorizontalOptions = LayoutOptions.CenterAndExpand
};
returnBtn.Clicked += async (sender, args) => { await Navigation.PopAsync(); };
//Create TableView
var tableView = new TableView
{
HeightRequest = 275,
Intent = TableIntent.Form,
Root = new TableRoot
{
new TableSection("Add a New Contact")
{
firstNameCell,
lastNameCell,
dateCell,
typeCell
}
}
};
//Build Button Layout
var btnLayout = new StackLayout
{
Orientation = StackOrientation.Horizontal,
Children = {saveBtn, returnBtn}
};
//Build Main Page
var main = new StackLayout
{
VerticalOptions = LayoutOptions.Start,
Children = {tableView, btnLayout}
};
Content = main;
}
