public async static void PushCategoriesModal(SelectPreferencesViewModel vm, INavigation navigation, int action)
{
vm.IsLoading = true;
await navigation.PushModalAsync(new NavigationPage(new SetCategories(vm.SelectedPreference, new List <Categories>(vm.CategoryData), navigation, action)));
vm.IsLoading = false;
}
public async static void StartQuizzing(SelectPreferencesViewModel vm, INavigation nav, SelectPreferences preferencesPage)
{
vm.IsLoading = true;
for (int i = 0; i < vm.PresetData.Count; i++)
{
vm.CategoryData[i].Percent = vm.PresetData[i].Percent;
}
ObservableCollection <Categories> catData = vm.CategoryData;
UserProfile userProfile = new UserProfile();
userProfile.Categories = catData;
DatabaseManager dbM = new DatabaseManager();
userProfile.Answers = new ObservableCollection <Answers>(await dbM.GetAnswers());
nav.InsertPageBefore(new QuizzingPage(userProfile), preferencesPage);
await nav.PopAsync();
}
public static void DeletePresetData(SelectPreferencesViewModel vm)
{
vm.IsLoading = true;
PreferenceId pref = vm.SelectedPreference;
string default_key = "name=Default,id=0,12,17,7,17,5,5,12,2,4,2;name=Second,id=1,14,15,7,17,5,5,12,2,4,2";
string keyVal = Preferences.Get("pref_keys", default_key);
string keyToDelete = "name=" + pref.Name + ",id=" + pref.Id + "," + pref.PresetData;
string finalKey = "";
foreach (string s in keyVal.Split(';'))
{
if (!s.Equals(keyToDelete))
{
if (!string.IsNullOrEmpty(s))
{
if (finalKey.Equals(""))
{
finalKey += s;
}
else
{
finalKey += ";" + s;
}
}
}
}
Preferences.Set("pref_keys", finalKey);
vm.SetKeyValues();
vm.SavedPreferences.Remove(pref);
vm.IsLoading = false;
}
