/// <summary>
/// Pairing accelerator to definitions.
/// </summary>
/// <param name="ca"></param>
private static void AddCustomAcceleratorToDefinition(CustomAccelerator ca)
{
AcceleratorDefinition definitionForCa;
try
{ //xaml accelerator and accelerators definition is paired by identity
definitionForCa = AcceleratorsDefinitions.SingleOrDefault(x => x.Identity == ca.Identity);
}
catch (InvalidOperationException ex)
{
throw new InvalidOperationException($"There is probably multiple definitions of same identity({ca.Identity})", ex);
}
if (definitionForCa == null)
{
Debug.WriteLine($"There is no definition for accelerator {ca.Identity}");
}
else
{
var frame = Window.Current.Content as Frame;
if (frame != null)
{
ca.TypeOfPageOfAccelerator = frame.SourcePageType;
}
else
{
}
Debug.WriteLine("ACC [age" + ca.TypeOfPageOfAccelerator.Name);
definitionForCa.CustomAccelerators.RemoveAll(x => x.TypeOfPageOfAccelerator != ca.TypeOfPageOfAccelerator);
definitionForCa.CustomAccelerators.Add(ca);
ca.SetKeyModifierLabel(definitionForCa.Key, definitionForCa.Modifiers, definitionForCa.Label);
}
}
public static void SetIdentity(Button obj, string value)
{
obj.SetValue(IdentityProperty, value);
CustomAccelerator ca = new CustomAccelerator(obj, value, GetIsEnabled(obj));
obj.KeyboardAccelerators.Insert(0, ca);
}
/// <summary>
/// this is called when customAcc is constructed in xaml
/// </summary>
/// <param name="ca"></param>
internal static void AddToList(CustomAccelerator ca)
{
if (AcceleratorsDefinitions.Count == 0)
{//when there is no definition (xaml in constructed before accelerators definiton
//(which is right because it time consuming operation) it will add to hanging accelerator)
HangingAccelerators.Add(ca);
}
else
{ //for examle accelerator from non-default page is added
AddCustomAcceleratorToDefinition(ca);
}
}