static int AdjustDisplayIndexForTransitions(int index, StylePropertyManipulator manipulator)
{
var valueCount = manipulator.GetValuesCount();
if (index < valueCount ||
!StylePropertyUtil.s_NameToId.TryGetValue(manipulator.propertyName, out var id) ||
!id.IsTransitionId())
{
return(index);
}
switch (id)
{
case StylePropertyId.TransitionProperty:
index = -1;
break;
case StylePropertyId.TransitionDuration:
index %= manipulator.GetValuesCount();
break;
case StylePropertyId.TransitionTimingFunction:
index %= manipulator.GetValuesCount();
break;
case StylePropertyId.TransitionDelay:
index %= manipulator.GetValuesCount();
break;
}
return(index);
}
internal static StylePropertyManipulator GetStylePropertyManipulator(
this StyleSheet styleSheet,
VisualElement element,
StyleRule rule,
string propertyName,
bool editorExtensionMode)
{
if (string.IsNullOrEmpty(propertyName))
{
return(null);
}
var manipulator = StylePropertyManipulator.GetPooled();
manipulator.element = element;
manipulator.styleSheet = styleSheet;
manipulator.propertyName = propertyName;
manipulator.styleRule = rule;
manipulator.editorExtensionMode = editorExtensionMode;
var property = manipulator.styleProperty;
if (null == property)
{
return(manipulator);
}
for (var i = 0; i < property.values.Length; ++i)
{
var index = i;
var valueInfo = StylePropertyManipulator.ResolveValueOrVariable(styleSheet, element, rule, property, ref i, editorExtensionMode);
valueInfo.offset = index;
manipulator.stylePropertyParts.Add(valueInfo);
}
return(manipulator);
}
bool IsKeyword(StylePropertyManipulator manipulator)
{
return(manipulator.GetValuesCount() == 1 &&
manipulator.GetValueContextAtIndex(0).handle.valueType == StyleValueType.Keyword);
}
