private void ApplyMatchingStyles(TUIElement visualElement, StyleSheet styleSheet)
{
if (visualElement == null ||
dependencyPropertyService.GetHandledCss(visualElement))
{
return;
}
var currentStyleSheet = dependencyPropertyService.GetStyleSheet(visualElement);
if (currentStyleSheet != null &&
currentStyleSheet != styleSheet)
{
return;
}
foreach (var child in treeNodeProvider.GetChildren(visualElement).ToList())
{
ApplyMatchingStyles(child as TUIElement, styleSheet);
}
var matchingStyles = dependencyPropertyService.GetMatchingStyles(visualElement);
var appliedMatchingStyles = dependencyPropertyService.GetAppliedMatchingStyles(visualElement);
if (matchingStyles == appliedMatchingStyles ||
(
matchingStyles != null &&
appliedMatchingStyles != null &&
matchingStyles.SequenceEqual(appliedMatchingStyles)
))
{
return;
}
object styleToApply = null;
if (matchingStyles?.Length == 1)
{
if (applicationResourcesService.Contains(matchingStyles[0]) == true)
{
styleToApply = applicationResourcesService.GetResource(matchingStyles[0]);
}
if (styleToApply != null)
{
nativeStyleService.SetStyle(visualElement, (TStyle)styleToApply);
}
}
else if (matchingStyles?.Length > 1)
{
var dict = new Dictionary <TDependencyProperty, object>();
var listTriggers = new List <TDependencyObject>();
foreach (var matchingStyle in matchingStyles)
{
object s = null;
if (applicationResourcesService.Contains(matchingStyle) == true)
{
s = applicationResourcesService.GetResource(matchingStyle);
}
var subDict = nativeStyleService.GetStyleAsDictionary(s as TStyle);
if (subDict != null)
{
foreach (var i in subDict)
{
dict[i.Key] = i.Value;
}
var triggers = nativeStyleService.GetTriggersAsList(s as TStyle);
listTriggers.AddRange(triggers);
}
}
if (dict.Keys.Count > 0)
{
styleToApply = nativeStyleService.CreateFrom(dict, listTriggers, visualElement.GetType());
}
if (styleToApply != null)
{
nativeStyleService.SetStyle(visualElement, (TStyle)styleToApply);
}
}
dependencyPropertyService.SetHandledCss(visualElement, true);
dependencyPropertyService.SetAppliedMatchingStyles(visualElement, matchingStyles);
// Debug.WriteLine($"Applying: {string.Join(", ", dependencyPropertyService.GetMatchingStyles(visualElement) ?? new string[0])}");
}