public void Dispose()
{
OK.Clicked -= OK_Clicked;
Cancel.Clicked -= Cancel_Clicked;
red.ValueChanged -= Slider_ValueChanged;
green.ValueChanged -= Slider_ValueChanged;
blue.ValueChanged -= Slider_ValueChanged;
settings = null;
BindingContext = null;
}
public async Task <Color> showDialog(Layout <View> parent, ColorPickerSettings settings = null)
{
lock (colorLock)
{
if (currentlyCalculating)
{
return(settings == null ? Color.Black : settings.defaultColor);
}
currentlyCalculating = true;
}
if (settings != null)
{
this.settings = settings;
red.Value = settings.selectedColor.R;
green.Value = settings.selectedColor.G;
blue.Value = settings.selectedColor.B;
alpha.Value = settings.selectedColor.A;
hex.Text = settings.selectedColor.ToHex();
}
else
{
this.settings = new ColorPickerSettings();
alpha.Value = 1;
hex.Text = this.settings.selectedColor.ToHex();
}
lock (colorLock)
{
currentlyCalculating = false;
}
Color color;
BindingContext = this.settings;
if (parent is Grid grid)
{
grid.Children.Add(this, 0, grid.ColumnDefinitions.Count == 0 ? 1 : grid.ColumnDefinitions.Count, 0, grid.RowDefinitions.Count == 0 ? 1 : grid.RowDefinitions.Count);
color = await waiter.Task;
grid.Children.Remove(this);
}
else
{
parent.Children.Add(this);
color = await waiter.Task;
parent.Children.Remove(this);
}
return(color);
}
