private static void ApplyMatchingStyles(IDomElement <TDependencyObject> domElement, StyleSheet styleSheet,
IStyleResourcesService applicationResourcesService,
INativeStyleService <TStyle, TDependencyObject, TDependencyProperty> nativeStyleService)
{
var visualElement = domElement.Element;
if (domElement.StyleInfo == null)
{
throw new Exception($"StyleInfo null {domElement.GetType().Name.Replace("DomElement", "")} {domElement.GetPath()}");
}
var matchingStyles = domElement.StyleInfo.CurrentMatchedSelectors;
var appliedMatchingStyles = domElement.StyleInfo.OldMatchedSelectors;
var styledBy = domElement.StyleInfo.CurrentStyleSheet;
if (styledBy != null &&
styledBy != styleSheet)
{
// Debug.WriteLine(" Another Stylesheet");
return;
}
domElement.StyleInfo.CurrentStyleSheet = styleSheet;
if (!AppliedStyleIdsAreMatchedStyleIds(appliedMatchingStyles, matchingStyles))
{
object styleToApply = null;
if (matchingStyles == null)
{
// RemoveOutdatedStylesFromElementInternal(visualElement, styleSheet, true, true);
}
else if (matchingStyles?.Count == 1)
{
if (applicationResourcesService.Contains(matchingStyles[0]) == true)
{
styleToApply = applicationResourcesService.GetResource(matchingStyles[0]);
}
if (styleToApply != null)
{
nativeStyleService.SetStyle(visualElement, (TStyle)styleToApply);
}
else
{
nativeStyleService.SetStyle(visualElement, null);
// Debug.WriteLine(" Style not found! " + matchingStyles[0]);
}
}
else if (matchingStyles?.Count > 1)
{
var dict = new Dictionary <TDependencyProperty, object>();
var listTriggers = new List <TDependencyObject>();
foreach (var matchingStyle in matchingStyles)
{
TStyle s = null;
if (applicationResourcesService.Contains(matchingStyle) == true)
{
s = (TStyle)applicationResourcesService.GetResource(matchingStyle);
}
else
{
// Debug.WriteLine(" Style not found! " + matchingStyle);
}
if (s != null)
{
var subDict = nativeStyleService.GetStyleAsDictionary(s as TStyle);
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 ||
listTriggers.Count > 0)
{
styleToApply = nativeStyleService.CreateFrom(dict, listTriggers, visualElement.GetType());
}
if (styleToApply != null)
{
nativeStyleService.SetStyle(visualElement, (TStyle)styleToApply);
}
else
{
nativeStyleService.SetStyle(visualElement, null);
}
}
domElement.StyleInfo.OldMatchedSelectors = matchingStyles.ToList();
}
foreach (var child in domElement.ChildNodes)
{
ApplyMatchingStyles(child, styleSheet, applicationResourcesService, nativeStyleService);
}
}