/// <summary>
/// Generates a list of objects to be used in the DefaultItems collection.
/// </summary>
/// <param name="defaultItems">The collection that should be updated.</param>
protected override void GenerateDefaultItems(SlottedItemCollection defaultItems)
{
base.GenerateDefaultItems(defaultItems);
DecimalPartGroup decimalGroup = new DecimalPartGroup();
decimalGroup.SetBinding(DecimalPartGroup.IsReadOnlyProperty, new Binding("IsReadOnly")
{
Source = this
});
decimalGroup.SetBinding(DecimalTextBox.StringFormatProperty, new Binding("StringFormat")
{
Source = this
});
decimalGroup.SetBinding(DecimalPartGroup.MaximumProperty, new Binding("Maximum")
{
Source = this, UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged
});
decimalGroup.SetBinding(DecimalPartGroup.MinimumProperty, new Binding("Minimum")
{
Source = this, UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged
});
SyncBinding.CreateBinding(this, DecimalTextBox.ValueProperty, decimalGroup, DecimalPartGroup.ValueProperty, UpdateSourceTrigger.PropertyChanged);
defaultItems.Add(decimalGroup);
}
/// <summary>
/// Handle the minimum value changing.
/// </summary>
/// <param name="sender">The decimal part whose minimum value changed.</param>
/// <param name="eventArgs">The event arguments.</param>
private static void OnMinimumChanged(DependencyObject sender, DependencyPropertyChangedEventArgs eventArgs)
{
// Clip the value at the minimum.
DecimalPartGroup part = sender as DecimalPartGroup;
if (part.Value < part.Minimum)
{
part.Value = part.Minimum;
}
}
/// <summary>
/// Handle the maximum value changing.
/// </summary>
/// <param name="sender">The decimal part whose maximum value changed.</param>
/// <param name="eventArgs">The event arguments.</param>
private static void OnMaximumChanged(DependencyObject sender, DependencyPropertyChangedEventArgs eventArgs)
{
// Clip the value at the maxmum.
DecimalPartGroup decimalPartGroup = sender as DecimalPartGroup;
if (decimalPartGroup.Value > decimalPartGroup.Maximum)
{
decimalPartGroup.Value = decimalPartGroup.Maximum;
}
}
/// <summary>
/// Generates a list of objects to be used in the DefaultItems collection.
/// </summary>
/// <param name="defaultItems">The collection that should be updated.</param>
protected override void GenerateDefaultItems(SlottedItemCollection defaultItems)
{
// Allow the base class to provide most of the default items.
base.GenerateDefaultItems(defaultItems);
// This control will create a special group of parts for a decimal implementation of a percent value.
DecimalPartGroup decimalPartGroup = new DecimalPartGroup();
decimalPartGroup.SetBinding(DecimalPartGroup.StringFormatProperty, new Binding("Format")
{
Source = this
});
decimalPartGroup.SetBinding(DecimalPartGroup.IsReadOnlyProperty, new Binding("IsReadOnly")
{
Source = this
});
decimalPartGroup.SetBinding(
DecimalPartGroup.MaximumProperty,
new Binding("Maximum")
{
Source = this, Converter = new PercentageConverter(), UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged
});
decimalPartGroup.SetBinding(
DecimalPartGroup.MinimumProperty,
new Binding("Minimum")
{
Source = this, Converter = new PercentageConverter(), UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged
});
decimalPartGroup.SetBinding(
DecimalPartGroup.StepProperty,
new Binding("Step")
{
Source = this, Converter = new PercentageConverter(), UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged
});
SyncBinding.CreateBinding(
this,
DecimalTextBox.ValueProperty,
decimalPartGroup,
DecimalPartGroup.ValueProperty,
UpdateSourceTrigger.PropertyChanged, new PercentageConverter());
defaultItems.Add(decimalPartGroup);
defaultItems.Add(new TextBlockPartGroup()
{
Text = "%"
});
}
