private void RefreshParameters()
{
// call it with already locked parameterLock
var parameterList = new ObservableCollection <ParameterBinding>();
foreach (var kvp in KControls.parameterStateDict)
{
ParameterInfo info = KControls.parameterInfoDict[kvp.Key];
KControls.ParameterState state = KControls.parameterStateDict[kvp.Key];
ParameterBinding parameterBinding =
new ParameterBinding {
Parameter = info.parameter,
Format = info.ParameterLabel(),
Value = state.value.ToString("G4"),
Locked = info.locked,
};
parameterList.Add(parameterBinding);
}
parameterView.ItemsSource = parameterList;
}
public CollectionView ParameterView()
{
CollectionView collectionView = new CollectionView()
{
ItemsLayout = new GridItemsLayout(1, ItemsLayoutOrientation.Vertical),
SelectionMode = SelectionMode.None
};
collectionView.ItemsSource = new ObservableCollection <ParameterBinding>(); // CollectionView contains ParameterBindings with bindings set in ItemTemplate, ugh!
collectionView.ItemTemplate = new DataTemplate(() => { // CollectionView contains ParameterBindings with bindings set in ItemTemplate, ugh!
Grid grid = new Grid {
Padding = 2
};
grid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(ParameterItemHeight)
});
grid.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Auto
});
grid.ColumnDefinitions.Add(new ColumnDefinition {
Width = 75
});
grid.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Auto
});
Xamarin.Forms.Entry slider = new Xamarin.Forms.Entry {
FontSize = 10, FontAttributes = FontAttributes.Bold, VerticalTextAlignment = TextAlignment.Center
};
slider.SetBinding(Xamarin.Forms.Entry.TextProperty, "Value"); // property of ParameterBinding, ugh!
slider.TextChanged += (object source, TextChangedEventArgs e) => {
if (slider.BindingContext == null)
{
return;
}
ParameterBinding parameterBinding = (ParameterBinding)slider.BindingContext; // the implicit binding context, ugh!
lock (KControls.parameterLock) {
if ((!KControls.parameterStateDict.ContainsKey(parameterBinding.Parameter)) || (!KControls.parameterInfoDict.ContainsKey(parameterBinding.Parameter)))
{
return;
}
ParameterInfo info = KControls.parameterInfoDict[parameterBinding.Parameter];
KControls.ParameterState state = KControls.parameterStateDict[parameterBinding.Parameter];
try { state.value = double.Parse((source as Xamarin.Forms.Entry).Text); } catch { }
info.drawn = state.value;
parameterBinding.Format = info.ParameterLabel();
//RefreshParameters(); // No longer needed, and it now seems to mess up the rows. OLD: otherwise formatLabel does not update even though it has a data binding, ugh!
}
};
Switch switcher = new Switch();
switcher.SetBinding(Switch.IsToggledProperty, "Locked"); // property of ParameterBinding, ugh!
switcher.Toggled += (object source, ToggledEventArgs e) => {
if (switcher.BindingContext == null)
{
return; // ugh!
}
ParameterBinding parameterBinding = (ParameterBinding)switcher.BindingContext; // the implicit binding context, ugh!
lock (KControls.parameterLock) {
if (!KControls.parameterInfoDict.ContainsKey(parameterBinding.Parameter))
{
return;
}
ParameterInfo parameterInfo = KControls.parameterInfoDict[parameterBinding.Parameter];
parameterInfo.locked = (source as Switch).IsToggled;
}
};
Label formatLabel = new Label {
FontSize = 12, FontAttributes = FontAttributes.Bold, VerticalTextAlignment = TextAlignment.Center
};
formatLabel.SetBinding(Label.TextProperty, "Format"); // property of ParameterBinding, ugh!
grid.Children.Add(switcher, 0, 0);
grid.Children.Add(slider, 1, 0);
grid.Children.Add(formatLabel, 2, 0);
return(grid);
});
return(collectionView);
}