/// <summary>
/// Navigates to the kanji referred by the given character.
/// Filters using the referred vocab kanji writing string.
/// Writes a navigation history entry to trace back to the
/// navigation state active before the operation.
/// </summary>
/// <param name="character">
/// Character driving the navigation.</param>
public void Navigate(KanjiWritingCharacter character)
{
if (KanjiDetailsVm != null)
{
// Temporarily unsubscribe the event.
KanjiDetailsVm.KanjiNavigated -= OnKanjiNavigated;
}
// Add the current state to the navigation history.
PushNavigationHistoryEntry();
// Create a new filter matching the vocab word selected.
_kanjiFilter = new KanjiFilter()
{
TextFilter = character.OriginalVocab.KanjiWriting,
// Ignore the levels because not only are they irrelevant,
// they might not even be the same for the kanji as for the vocab.
JlptLevel = Levels.IgnoreJlptLevel,
WkLevel = Levels.IgnoreWkLevel
};
// Apply the filter
KanjiFilterVm.SetFilter(_kanjiFilter);
KanjiListVm.Navigate(_kanjiFilter, character.Kanji);
// Create a new KanjiDetailsVm.
// Do not use the SetKanjiDetailsVm method as to not dispose
// the previous value.
KanjiDetailsVm = new KanjiDetailsViewModel(new ExtendedKanji(character.Kanji));
// Re-subscribe the event.
KanjiDetailsVm.KanjiNavigated += OnKanjiNavigated;
}
/// <summary>
/// Sets a new value for the KanjiDetailsVm property, while
/// making sure the previous value is correctly disposed
/// and events correctly bound.
/// </summary>
/// <param name="value">New value.</param>
private void SetKanjiDetailsVm(KanjiDetailsViewModel value)
{
if (value != _kanjiDetailsVm)
{
// Dispose the previously created VM if existing.
if (_kanjiDetailsVm != null)
{
_kanjiDetailsVm.KanjiNavigated -= OnKanjiNavigated;
_kanjiDetailsVm.Dispose();
}
// Set the value.
KanjiDetailsVm = value;
// Subscribe to the appropriate events if needed.
if (_kanjiDetailsVm != null)
{
_kanjiDetailsVm.KanjiNavigated += OnKanjiNavigated;
}
}
}
/// <summary>
/// Sets a new value for the KanjiDetailsVm property, while
/// making sure the previous value is correctly disposed
/// and events correctly bound.
/// </summary>
/// <param name="value">New value.</param>
private void SetKanjiDetailsVm(KanjiDetailsViewModel value)
{
if (value != _kanjiDetailsVm)
{
// Dispose the previously created VM if existing.
if (_kanjiDetailsVm != null)
{
_kanjiDetailsVm.KanjiNavigated -= OnKanjiNavigated;
_kanjiDetailsVm.Dispose();
}
// Set the value.
KanjiDetailsVm = value;
// Subscribe to the appropriate events if needed.
if (_kanjiDetailsVm != null)
{
_kanjiDetailsVm.KanjiNavigated += OnKanjiNavigated;
}
}
}
/// <summary>
/// Navigates to the kanji referred by the given character.
/// Filters using the referred vocab kanji writing string.
/// Writes a navigation history entry to trace back to the
/// navigation state active before the operation.
/// </summary>
/// <param name="character">
/// Character driving the navigation.</param>
public void Navigate(KanjiWritingCharacter character)
{
if (KanjiDetailsVm != null)
{
// Temporarily unsubscribe the event.
KanjiDetailsVm.KanjiNavigated -= OnKanjiNavigated;
}
// Add the current state to the navigation history.
PushNavigationHistoryEntry();
// Create a new filter matching the vocab word selected.
_kanjiFilter = new KanjiFilter()
{
TextFilter = character.OriginalVocab.KanjiWriting
};
// Apply the filter
KanjiFilterVm.SetFilter(_kanjiFilter);
KanjiListVm.Navigate(_kanjiFilter, character.Kanji);
// Create a new KanjiDetailsVm.
// Do not use the SetKanjiDetailsVm method as to not dispose
// the previous value.
KanjiDetailsVm = new KanjiDetailsViewModel(new ExtendedKanji(character.Kanji));
// Re-subscribe the event.
KanjiDetailsVm.KanjiNavigated += OnKanjiNavigated;
}
