public VisualStateSelector(IStyleSelector selector,
VisualStateType stateType)
: base((selector.GetHashCode() * 397) ^ (Int32)stateType)
{
BaseSelector = selector;
StateType = stateType;
}
public AssignedStyle(StyleSetterType setterType,
VisualStateType type,
Object?value = null)
{
SetterType = setterType;
Type = type;
Value = value;
_hash = (Int32)setterType + ((Int32)type << 16);
}
private IStyleRule Rule <TValue>(VisualStateType state,
TValue value,
DeclarationProperty declarationProperty)
{
return(new StyleValueRule(Select(state),
new List <IStyleDeclaration>
{
new ValueDeclaration <TValue>(value, _variableAccessor, declarationProperty)
}));
}
public virtual Boolean TryGetValue(StyleSetterType setterType,
VisualStateType type,
out Object val)
{
foreach (var k in GetUniqueFlags <VisualStateType>(type))
{
var key = new AssignedStyle(setterType, k);
if (_setters.TryGetValue(key, out val !))
{
return(true);
}
}
val = default !;
public override void Add(StyleSetterType setterType,
VisualStateType type,
Object?value)
{
var key = new AssignedStyle(setterType, type, value);
if (setterType == StyleSetterType.Transition)
{
var transitions = value as Transition[]
?? throw new ArgumentOutOfRangeException(nameof(value));
foreach (var trans in transitions)
{
var tranqui = new AssignedStyle(trans.SetterType, type, trans);
_transitions[tranqui] = trans;
}
}
else if (_transitions.TryGetValue(key, out var transition))
{
if (!_setters.TryGetValue(key, out var existed))
{
existed = null;
}
switch (value)
{
//case Thickness _:
// var runningThickness = new ThicknessTransition(existed, transition, key, UpdateTransition);
// runningThickness.Start();
// break;
//case Double _:
// var running = new DoubleTransition(existed,
// transition, key, UpdateTransition);
// running.Start();
// break;
default:
throw new NotImplementedException();
}
}
else
{
base.Add(setterType, type, value);
}
}
public T GetStyleSetter <T>(StyleSetterType setterType,
VisualStateType type,
IVisualElement element,
IVisualLineage visualLineage)
{
if (TryGetStyleSetterImpl <T>(setterType, type, element, visualLineage, out var found))
{
return(found);
}
if (type != VisualStateType.None &&
TryGetStyleSetterImpl(setterType, VisualStateType.None,
element, visualLineage, out found))
{
return(found);
}
return(_defaultStyle[setterType] is T good ? good : default !);
public void RegisterStyleSetter(IVisualElement element,
StyleSetterType setterType,
VisualStateType type,
Object value)
{
if (!IsTypeValid(setterType, value))
{
throw new ArgumentOutOfRangeException(nameof(value));
}
if (!_elementStyles.TryGetValue(element.Id, out var style))
{
style = new ElementStyle(element, this);
_elementStyles[element.Id] = style;
}
style.Add(setterType, type, value);
}
public PlanFoundMessage(VisualStateType visualState)
{
VisualState = visualState;
}
public T GetStyleSetter <T>(StyleSetterType setterType, VisualStateType type, IVisualElement element,
IVisualLineage visualLineage)
{
return(ThrowException <T>());
}
public void RegisterStyleSetter(IVisualElement element, StyleSetterType setterType, VisualStateType type, Object value)
{
ThrowException <Object>();
}
public static Boolean Contains(this VisualStateType type,
VisualStateType value)
{
return((type & value) > VisualStateType.Active);
}
private static VisualStateSelector Select(VisualStateType state)
{
return(new(AllStyleSelector.Instance, state));
}
