public static int SortByDateDescending(LearnedData a, LearnedData b)
{
if (a.Date > b.Date)
{
return(-1);
}
return(1);
}
public static int SortByIndexDescending(LearnedData a, LearnedData b)
{
if (a.Index > b.Index)
{
return(-1);
}
return(1);
}
private void SortList(int direction, List <LearnedData> dataList)
{
for (int i = 0; i < listLayout.Children.Count; i++)
{
int firstWord = direction == 1 ? i * 10 : (VocabHandler.Instance.Words.Count / 10 - i) * 10;
int lastWord = firstWord + 10;
if (lastWord > VocabHandler.Instance.Words.Count)
{
lastWord = VocabHandler.Instance.Words.Count;
}
StackLayout stackLayout = (StackLayout)listLayout.Children[i];
Label wordIndexLabel = (Label)stackLayout.Children[0];
Label lastLearnedLabel = (Label)stackLayout.Children[1];
Label accuracyLabel = (Label)stackLayout.Children[2];
wordIndexLabel.Text = String.Format("{0} - {1}", firstWord + 1, lastWord);
stackLayout.GestureRecognizers.Clear();
if (direction == 1)
{
if (i < dataList.Count)
{
LearnedData learnedData = dataList[i];
firstWord = learnedData.Index * 10;
lastWord = firstWord + 10;
if (lastWord > VocabHandler.Instance.Words.Count)
{
lastWord = VocabHandler.Instance.Words.Count;
}
wordIndexLabel.Text = String.Format("{0} - {1}", firstWord + 1, lastWord);
lastLearnedLabel.Text = String.Format("Last learned: {0}", learnedData.Date.ToString());
accuracyLabel.Text = String.Format("Accuracy: {0}%", learnedData.Accuracy);
wordIndexLabel.TextColor = Color.Black;
lastLearnedLabel.TextColor = Color.Black;
accuracyLabel.TextColor = Color.Black;
TapGestureRecognizer tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += async(s, e) =>
{
await Application.Current.MainPage.Navigation.PushAsync(new VocabTest(firstWord, lastWord - firstWord));
};
stackLayout.GestureRecognizers.Add(tapGestureRecognizer);
}
else
{
wordIndexLabel.Text = String.Format("{0} - {1}", firstWord + 1, lastWord);
lastLearnedLabel.Text = "Last learned: -";
accuracyLabel.Text = "Accuracy: -";
wordIndexLabel.TextColor = Color.Gray;
lastLearnedLabel.TextColor = Color.Gray;
accuracyLabel.TextColor = Color.Gray;
}
}
else
{
if (dataList.Count >= listLayout.Children.Count - i)
{
int index = Math.Abs(listLayout.Children.Count - i - dataList.Count);
LearnedData learnedData = dataList[index];
firstWord = learnedData.Index * 10;
lastWord = firstWord + 10;
if (lastWord > VocabHandler.Instance.Words.Count)
{
lastWord = VocabHandler.Instance.Words.Count;
}
wordIndexLabel.Text = String.Format("{0} - {1}", firstWord + 1, lastWord);
lastLearnedLabel.Text = String.Format("Last learned: {0}", learnedData.Date.ToString());
accuracyLabel.Text = String.Format("Accuracy: {0}%", learnedData.Accuracy);
wordIndexLabel.TextColor = Color.Black;
lastLearnedLabel.TextColor = Color.Black;
accuracyLabel.TextColor = Color.Black;
TapGestureRecognizer tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += async(s, e) =>
{
await Application.Current.MainPage.Navigation.PushAsync(new VocabTest(firstWord, lastWord - firstWord));
};
stackLayout.GestureRecognizers.Add(tapGestureRecognizer);
}
else
{
lastLearnedLabel.Text = "Last learned: -";
accuracyLabel.Text = "Accuracy: -";
wordIndexLabel.TextColor = Color.Gray;
lastLearnedLabel.TextColor = Color.Gray;
accuracyLabel.TextColor = Color.Gray;
}
}
}
}
public VocabTest(int startIndex, int count)
{
InitializeComponent();
testWords = new List <WordPair>();
testWords.AddRange(VocabHandler.Instance.Words.GetRange(startIndex, count));
Util.ShuffleList <WordPair>(ref testWords);
cardContent.Text = testWords[wordIndex].Translation;
popupLayout.GestureRecognizers.Add(new TapGestureRecognizer
{
Command = new Command(() => {
popupLayout.IsVisible = false;
wordIndex++;
if (wordIndex < testWords.Count)
{
cardContent.Text = testWords[wordIndex].Translation;
userEntry.Text = String.Empty;
}
else
{
testLayout.IsVisible = false;
resultLayout.IsVisible = true;
answers.Text = String.Format("Correct answers: {0}/{1}", correctAnswers, testWords.Count);
int acc = correctAnswers * 100 / testWords.Count;
accuracy.Text = String.Format("Accuracy: {0}%", acc);
int index = startIndex / 10;
if (acc >= 80)
{
int maxMastered = -1;
if (Application.Current.Properties.ContainsKey("MaxMastered"))
{
maxMastered = (int)Application.Current.Properties["MaxMastered"];
}
if (index > maxMastered)
{
Application.Current.Properties["MaxMastered"] = index;
}
}
Dictionary <int, LearnedData> testData;
if (Application.Current.Properties.ContainsKey("TestData"))
{
string json = (string)Application.Current.Properties["TestData"];
testData = JsonConvert.DeserializeObject <Dictionary <int, LearnedData> >(json);
}
else
{
testData = new Dictionary <int, LearnedData>();
}
testData[index] = new LearnedData(index, DateTime.Now, acc);
Application.Current.Properties["TestData"] = JsonConvert.SerializeObject(testData);
Application.Current.SavePropertiesAsync();
}
//userEntry.Focus();
}),
NumberOfTapsRequired = 1
});
}
