protected override void UpdateTransition(AssignedStyle style)
{
//Debug.WriteLine("Updating transition");
base.UpdateTransition(style);
Element.InvalidateMeasure();
_styleContext.CoerceIsChanged();
}
protected override void OnUpdate(Double runningPct)
{
var currentValue = _initialValue + (_valueDifference * runningPct);
var assigned = new AssignedStyle(_assignedStyle.SetterType, _assignedStyle.Type,
currentValue);
_updater(assigned);
}
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 DoubleTransition(Object?initialValue,
Transition transition,
AssignedStyle assignedStyle,
Action <AssignedStyle> updater)
: base(transition.Duration, transition.Delay, Easing.QuadraticOut)
{
Double finalValue;
_initialValue = initialValue is Double d ? d : 0;
if (assignedStyle.Value is Double valid)
{
finalValue = valid;
}
else
{
throw new NotImplementedException();
}
_valueDifference = finalValue - _initialValue;
_assignedStyle = assignedStyle;
_updater = updater;
}
