private void Initialize()
{
Id = _viewId;
_maxNumberOfIndiagrams = LazyResolver<IScreenService>.Service.Width / IndiagramView.DefaultWidth - 1;
ISettingsService settings = LazyResolver<ISettingsService>.Service;
ColorStringToIntConverter colorConverter = new ColorStringToIntConverter();
// Init views
for (int i = 0; i < _maxNumberOfIndiagrams; ++i)
{
IndiagramView view = new IndiagramView(Context)
{
TextColor = (uint) colorConverter.Convert(settings.TextColor, null, null, null),
Id = _viewId++,
DefaultColor = 0,
};
view.Touch += OnIndiagramTouched;
var layoutParams = new LayoutParams(ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent);
layoutParams.AddRule(LayoutRules.CenterVertical);
if (i == 0)
{
layoutParams.AddRule(LayoutRules.AlignParentLeft);
}
else
{
layoutParams.AddRule(LayoutRules.RightOf, _viewId - 2);
}
AddView(view, layoutParams);
_indiagramViews.Add(view);
}
// Init play button
_playButton = new IndiagramView(Context)
{
TextColor = 0,
Id = _viewId++,
Indiagram = new Indiagram()
{
Text = "play",
ImagePath = LazyResolver<IStorageService>.Service.ImagePlayButtonPath
}
};
_playButton.Touch += (sender, args) =>
{
if (args.Event.ActionMasked == MotionEventActions.Up){
if(args.Event.RawX<(LazyResolver<IScreenService>.Service.Width/4.0)){
if (CorrectionCommand != null && CorrectionCommand.CanExecute(null))
{
CorrectionCommand.Execute(null);
}
}
else if (ReadCommand != null && ReadCommand.CanExecute(null))
{
ReadCommand.Execute(null);
}
}
};
var lp = new LayoutParams(ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent);
lp.AddRule(LayoutRules.AlignParentRight);
lp.AddRule(LayoutRules.CenterVertical);
AddView(_playButton, lp);
}
private bool Reset()
{
int newColumnCount = (int)(ActualWidth / IndiagramView.DefaultWidth);
int newLineCount = (int)(ActualHeight / IndiagramView.DefaultHeight);
if ((int)ActualHeight == 0)
newLineCount = (int)(Height / IndiagramView.DefaultHeight);
if (newColumnCount != _columnCount || newLineCount != _lineCount)
{
_columnCount = newColumnCount;
_lineCount = newLineCount;
}
else
{
return false;
}
if (_displayableViews != null)
{
Children.Clear();
_displayableViews = null;
}
_displayableViews = new IndiagramView[_lineCount][];
for (int line = 0; line < _lineCount; ++line)
{
_displayableViews[line] = new IndiagramView[_columnCount - ((line == 0) ? 1 : 0)];
for (int column = 0; column < _displayableViews[line].Length; ++column)
{
var view = new IndiagramView { TextColor = TextColor };
view.Tapped += view_Tapped;
_displayableViews[line][column] = view;
}
}
ResetGrid();
return true;
}
private void OnTopIndiagramViewTouched(IndiagramView view)
{
if (SettingsService.IsDragAndDropEnabled && !view.Indiagram.IsCategory && !TextToSpeechService.IsReading)
{
Indiagram indiagram = view.Indiagram;
// command should only be executed when the indiagram is "dropped" in sentence view
if (!SettingsService.IsMultipleIndiagramSelectionEnabled || IsCorrectionModeEnabled)
{
_topView.HideIndiagram(indiagram);
}
// get existing view
view.Touch += OnIndiagramTouched;
_currentView = view;
_topView.SwitchViewForDragAndDrop(view);
float left = _currentView.LastTouchArgs.Event.RawX;
float top = _currentView.LastTouchArgs.Event.RawY;
// attach to new layout
AddView(view, new LayoutParams(IndiagramView.DefaultWidth, _currentView.RealHeight, (int)(left - IndiagramView.DefaultWidth / 2f), (int)(top - _currentView.RealHeight /2f)));
_topView.RefreshView();
if (TopIndiagramDragStartCommand != null && TopIndiagramDragStartCommand.CanExecute(indiagram))
{
TopIndiagramDragStartCommand.Execute(indiagram);
}
}
}
private void OnIndiagramTouched(object sender, TouchEventArgs touchEventArgs)
{
IndiagramView view = sender as IndiagramView;
if (view == null || view != _currentView)
{
return;
}
if (touchEventArgs.Event.ActionMasked == MotionEventActions.Move)
{
float left = touchEventArgs.Event.RawX;
float top = touchEventArgs.Event.RawY;
_currentView.LayoutParameters = new LayoutParams(IndiagramView.DefaultWidth, _currentView.RealHeight, (int)(left - IndiagramView.DefaultWidth / 2f), (int)(top - _currentView.RealHeight /2f));
}
else if (touchEventArgs.Event.ActionMasked == MotionEventActions.Up)
{
bool selected = touchEventArgs.Event.RawY >= _botViewYOffset;
//in any case, remove from the current view
_currentView.Touch -= OnIndiagramTouched;
RemoveView(_currentView);
_currentView = null;
if(selected)
{
var command = TopIndiagramSelectedCommand;
if (command != null && command.CanExecute(view.Indiagram))
{
command.Execute(view.Indiagram);
}
}
if (!SettingsService.IsMultipleIndiagramSelectionEnabled)
{
_topView.ShowAllIndiagrams();
_topView.RefreshView();
}
}
}
void SentenceAreaView_SizeChanged(object sender, SizeChangedEventArgs e)
{
var oldmaxnumber = _maxNumberOfIndiagrams;
_maxNumberOfIndiagrams = ((int)ActualWidth / IndiagramView.DefaultWidth) - 1;
if (_maxNumberOfIndiagrams == oldmaxnumber)
return;
ColumnDefinitions.Clear();
for (var i = 0; i < _maxNumberOfIndiagrams + 1; i++)
{
ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Star)
});
}
SetColumn(_playButton, _maxNumberOfIndiagrams);
Children.Clear();
Children.Add(_playButton);
var settings = LazyResolver<ISettingsService>.Service;
// Init views
for (var i = 0; i < _maxNumberOfIndiagrams; ++i)
{
var view = new IndiagramView()
{
TextColor = (SolidColorBrush)_colorConverter.Convert(settings.TextColor, null, null, "")
};
view.Tapped += OnIndiagramTouched;
SetColumn(view, i);
Children.Add(view);
_indiagramViews.Add(view);
}
}