public async Task <IActionResult> Edit(int id, [Bind("Id,OsType")] OpSystem opSystem)
{
if (id != opSystem.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(opSystem);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!OpSystemExists(opSystem.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(opSystem));
}
public void UpdateItem(OpSystem opSystem)
{
int index = opSystems.FindIndex(op => op.OpSystemPK == opSystem.OpSystemPK);
opSystems[index] = opSystem;
NotifyDataSetChanged();
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
SetContentView(Resource.Layout.activity_addEdit);
typeOfWork = (Fragments.TypeOfWork)Intent.GetIntExtra("TypeOfWork", (int)Fragments.TypeOfWork.Add);
nameEditText = FindViewById <EditText>(Resource.Id.nameText);
companyEditText = FindViewById <EditText>(Resource.Id.companyText);
progLangEditText = FindViewById <EditText>(Resource.Id.progLangText);
versionEditText = FindViewById <EditText>(Resource.Id.versionText);
platformsEditText = FindViewById <EditText>(Resource.Id.platformText);
marketEditText = FindViewById <EditText>(Resource.Id.marketText);
OpSystem temp;
if ((temp = Intent.GetExtra <OpSystem>("Edit")) != null)
{
opSystem = temp;
nameEditText.Text = opSystem.Name;
companyEditText.Text = opSystem.CompanyName;
progLangEditText.Text = opSystem.ProgrammingLanguage;
versionEditText.Text = opSystem.LatestVersion;
platformsEditText.Text = opSystem.SupportedPlatforms;
marketEditText.Text = opSystem.MarketShare.ToString();
}
Button btn = FindViewById <Button>(Resource.Id.BtnSubmit);
btn.Click += BtnSubmit_Click;
}
public static OpSystem GetInstance(string name)
{
if (instance == null)
{
instance = new OpSystem(name);
}
return(instance);
}
public async Task <IActionResult> Create([Bind("Id,OsType")] OpSystem opSystem)
{
if (ModelState.IsValid)
{
_context.Add(opSystem);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(opSystem));
}
public void NotifyCollectionChanged(TypeOfWork typeOfWork, OpSystem opSystem)
{
if (typeOfWork == TypeOfWork.Add)
{
dataAdapter.AddItem(opSystem);
}
else if (typeOfWork == TypeOfWork.Edit)
{
dataAdapter.UpdateItem(opSystem);
}
}
public Classroom(string v1, string v2, int v3, bool v4, bool v5, bool v6, OpSystem both, List <Software> ss)
{
id = v1;
description = v2;
num_of_seats = v3;
projector = v4;
board = v5;
smart_board = v6;
os = both;
software = ss;
}
public void Bind(OpSystem opSystem, bool isSelected)
{
if (isSelected)
{
selectedImageView.Visibility = ViewStates.Visible;
}
else
{
selectedImageView.Visibility = ViewStates.Gone;
}
nameTextView.Text = opSystem.Name;
companyTextView.Text = opSystem.CompanyName;
versionTextView.Text = opSystem.LatestVersion;
}
private static void Main(string[] args)
{
new Thread(() =>
{
var comp2 = new Computer();
comp2.Os = OpSystem.GetInstance("Windows 10");
Console.WriteLine(comp2.Os.Name);
}).Start();
var comp = new Computer();
comp.Launch("Windows 8.1");
Console.WriteLine(comp.Os.Name);
Console.ReadKey();
}
public IActionResult Upsert(OpSystem opSystem)
{
if (ModelState.IsValid)
{
if (opSystem.Id == 0)
{
_unitOfWork.OpSystem.Add(opSystem);
}
else
{
_unitOfWork.OpSystem.Update(opSystem);
}
_unitOfWork.Save();
return(RedirectToAction(nameof(Index)));
}
return(View(opSystem));
}
public IActionResult Upsert(int?id)
{
OpSystem opSystem = new OpSystem();
if (id == null)
{
//this is for create
return(View(opSystem));
}
//this is for edit
opSystem = _unitOfWork.OpSystem.Get(id.GetValueOrDefault());
if (opSystem == null)
{
return(NotFound());
}
return(View(opSystem));
}
private async void ToolbarMenu_MenuItemClick(object sender, Toolbar.MenuItemClickEventArgs e)
{
Intent intent;
switch (e.Item.ItemId)
{
case Resource.Id.menu_item_add:
intent = new Intent(Activity, typeof(AddEditActivity));
intent.PutExtra("TypeOfWork", (int)TypeOfWork.Add);
StartActivityForResult(intent, 0);
break;
case Resource.Id.menu_item_edit:
intent = new Intent(Activity, typeof(AddEditActivity));
if (dataAdapter.GetSelected == null)
{
return;
}
intent.PutExtra("Edit", JsonConvert.SerializeObject(dataAdapter.GetSelected));
intent.PutExtra("TypeOfWork", (int)TypeOfWork.Edit);
StartActivityForResult(intent, 0);
break;
case Resource.Id.menu_item_delete:
using (ApplicationContext context = new ApplicationContext())
{
OpSystem deleted = dataAdapter.GetSelected;
if (deleted == null)
{
return;
}
context.OperatingSystems.Remove(deleted);
await context.SaveChangesAsync();
}
dataAdapter.RemoveItem(dataAdapter.SelectedId);
break;
default:
break;
}
}
public void Launch(string osName)
{
Os = OpSystem.GetInstance(osName);
}
public void AddItem(OpSystem opSystem)
{
opSystems.Add(opSystem);
NotifyDataSetChanged();
}
