public override CGSize SizeThatFits(CGSize size)
{
var dec = DecrementButton.SizeThatFits(CGSize.Empty);
var inc = IncrementButton.SizeThatFits(CGSize.Empty);
var btn = new CGSize(
Math.Max(dec.Width, inc.Width),
Math.Max(dec.Height, inc.Height));
return new CGSize(btn.Width * 2 + DefaultButtonSpacing, btn.Height);
}
public CounterPage()
{
InitializeComponent();
// Observe changes on state
Store.Select(SelectCount)
.UntilDestroyed(this)
.Subscribe(count =>
{
CounterValueTextBlock.Text = count.ToString();
});
// Observe UI events
IncrementButton.Events().Click
.Subscribe(_ => Store.Dispatch(new IncrementAction()));
DecrementButton.Events().Click
.Subscribe(_ => Store.Dispatch(new DecrementAction()));
// Initialize Documentation
DocumentationComponent.LoadMarkdownFilesAsync("Counter");
GoToGitHubButton.Events().Click
.Subscribe(async _ =>
{
var uri = new Uri("https://github.com/Odonno/ReduxSimple/tree/master/ReduxSimple.Samples/Counter");
await Launcher.LaunchUriAsync(uri);
});
OpenDevToolsButton.Events().Click
.Subscribe(async _ =>
{
await Store.OpenDevToolsAsync();
});
ContentGrid.Events().Tapped
.Subscribe(_ => DocumentationComponent.Collapse());
DocumentationComponent.ObserveOnExpanded()
.Subscribe(_ => ContentGrid.Blur(5).Start());
DocumentationComponent.ObserveOnCollapsed()
.Subscribe(_ => ContentGrid.Blur(0).Start());
}
void ReleaseDesignerOutlets()
{
if (Count != null)
{
Count.Dispose();
Count = null;
}
if (IncrementButton != null)
{
IncrementButton.Dispose();
IncrementButton = null;
}
if (DecrementButton != null)
{
DecrementButton.Dispose();
DecrementButton = null;
}
}
private void WireEvents(Action<string> returnString, Action<double> returnDouble)
{
OKButton.Events().Clicked
.Subscribe(x => PopupNavigation.Instance.PopAsync());
IncrementButton.Events().Clicked
.Subscribe(x =>
{
if (StepMode == StepMode.Discrete)
{
if (slider.Value < Items.Count) slider.Value++;
}
else if (StepMode == StepMode.Normal)
{
if (slider.Value + Step <= slider.Maximum) slider.Value += Step;
} else
{
// change by .1 percent
var increment = GetFriendlyIncrement();
var newValue = slider.Value + increment;
slider.Value = Math.Round(newValue / increment) * increment;
}
});
DecrementButton.Events().Clicked
.Subscribe(x =>
{
if (StepMode == StepMode.Discrete)
{
if (slider.Value < Items.Count) slider.Value--;
}
else if (StepMode == StepMode.Normal)
{
if (slider.Value - Step >= slider.Minimum) slider.Value -= Step;
} else
{
// change by .1 percent
var increment = GetFriendlyIncrement();
var newValue = slider.Value - increment;
slider.Value = Math.Round(newValue / increment) * increment;
}
});
slider.Events().ValueChanged
.SubscribeOnUI()
//.Throttle(TimeSpan.FromMilliseconds(1))
.Subscribe(X =>
{
SetToNearestStep();
DrawSliderLabel();
if (returnDouble != null)
{
if (StepMode == StepMode.Discrete && double.TryParse(SelectedItem, out var dbl))
{
returnDouble(dbl);
}
else
{
returnDouble(slider.Value);
}
}
else if (returnString != null)
{
returnString((string)SelectedItem);
}
});
this.Events().LayoutChanged
.SubscribeOnUI()
.Subscribe(x => {
if (slider.Width > 0)
{
DrawTicks();
DrawSliderLabel();
}
});
}
