/// <summary>
/// Create and show a slider (HScale) that will allow the user to
/// customize how far in the past to show completed items.
/// </summary>
private void CreateRangeSlider()
{
// There are five (5) different values allowed here:
// "Yesterday", "Last7Days", "LastMonth", "LastYear", or "All"
// Create the slider with 5 distinct "stops"
rangeSlider = new HScale (0, 4, 1);
rangeSlider.SetIncrements (1, 1);
rangeSlider.WidthRequest = 100;
rangeSlider.DrawValue = true;
// TODO: Set the initial value and range
string rangeStr =
Application.Preferences.Get (Preferences.CompletedTasksRange);
if (rangeStr == null) {
// Set a default value of All
rangeStr = ShowCompletedRange.All.ToString ();
Application.Preferences.Set (Preferences.CompletedTasksRange,
rangeStr);
}
currentRange = ParseRange (rangeStr);
rangeSlider.Value = (double)currentRange;
rangeSlider.FormatValue += OnFormatRangeSliderValue;
rangeSlider.ValueChanged += OnRangeSliderChanged;
rangeSlider.Show ();
this.ExtraWidget = rangeSlider;
}
