private List <StyleMatchInfo> UpdateMatchingStyles(TUIElement styleResourceReferenceHolder, StyleSheet styleSheet, TUIElement startFrom)
{
var requiredStyleInfos = new List <StyleMatchInfo>();
IDomElement <TDependencyObject> root = null;
IDomElement <TDependencyObject> visualTree = null;
IDomElement <TDependencyObject> logicalTree = null;
foreach (var rule in styleSheet.Rules)
{
// Debug.WriteLine($"--- RULE {rule.SelectorString} ----");
if (rule.SelectorType == SelectorType.VisualTree)
{
treeNodeProvider.Switch(SelectorType.VisualTree);
if (visualTree == null)
{
visualTree = treeNodeProvider.GetDomElement(startFrom ?? styleResourceReferenceHolder);
visualTree.XamlCssStyleSheets.Clear();
visualTree.XamlCssStyleSheets.Add(styleSheet);
}
root = visualTree;
}
else
{
treeNodeProvider.Switch(SelectorType.LogicalTree);
if (logicalTree == null)
{
if (!treeNodeProvider.IsInTree(startFrom ?? styleResourceReferenceHolder))
{
continue;
}
logicalTree = treeNodeProvider.GetDomElement(startFrom ?? styleResourceReferenceHolder);
logicalTree.XamlCssStyleSheets.Clear();
logicalTree.XamlCssStyleSheets.Add(styleSheet);
}
root = logicalTree;
}
// apply our selector
var matchedNodes = root.QuerySelectorAllWithSelf(rule.SelectorString)
.Where(x => x != null)
.Cast <IDomElement <TDependencyObject> >()
.ToList();
var otherStyleElements = matchedNodes
.Where(x =>
{
var parent = GetStyleSheetParent(x.Element);
// parent happens to be null if class was changed by binding
if (parent == null)
{
return(true);
}
var elementStyleSheet = dependencyPropertyService.GetStyleSheet(parent);
return(elementStyleSheet != null && elementStyleSheet != styleSheet);
}).ToList();
matchedNodes = matchedNodes.Except(otherStyleElements).ToList();
var matchedElementTypes = matchedNodes
.Select(x => x.Element.GetType())
.Distinct()
.ToList();
foreach (var matchingNode in matchedNodes)
{
var element = matchingNode.Element;
var oldMatchingStyles = dependencyPropertyService.GetMatchingStyles(element) ?? new string[0];
var resourceKey = nativeStyleService.GetStyleResourceKey(styleSheet.Id, element.GetType(), rule.SelectorString);
var newMatchingStyles = oldMatchingStyles.Concat(new[] { resourceKey }).Distinct()
.Select(x => new
{
key = x,
selector = new Selector {
Value = x.Split('{')[1]
}
})
.OrderBy(x => x.selector.IdSpecificity)
.ThenBy(x => x.selector.ClassSpecificity)
.ThenBy(x => x.selector.SimpleSpecificity)
.ToArray();
var newMatchingStylesStrings = newMatchingStyles.Select(x => x.key).ToArray();
// Debug.WriteLine($"'{rule.SelectorString}' {GetPath(matchingNode)}: " + string.Join("|", newMatchingStylesStrings));
dependencyPropertyService.SetMatchingStyles(element, newMatchingStylesStrings);
if (requiredStyleInfos.Any(x => x.Rule == rule && x.MatchedType == element.GetType()) == false)
{
requiredStyleInfos.Add(new StyleMatchInfo
{
Rule = rule,
MatchedType = element.GetType()
});
}
}
}
return(requiredStyleInfos);
}
private List <StyleMatchInfo> UpdateMatchingStyles(TUIElement styleResourceReferenceHolder, StyleSheet styleSheet, TUIElement startFrom)
{
var requiredStyleInfos = new List <StyleMatchInfo>();
IDomElement <TDependencyObject> root = null;
IDomElement <TDependencyObject> visualTree = null;
IDomElement <TDependencyObject> logicalTree = null;
foreach (var rule in styleSheet.Rules)
{
if (rule.SelectorType == SelectorType.VisualTree)
{
if (visualTree == null)
{
visualTree = treeNodeProvider.GetDomElement(startFrom ?? styleResourceReferenceHolder);
visualTree.XamlCssStyleSheets.Clear();
visualTree.XamlCssStyleSheets.Add(styleSheet);
}
root = visualTree;
}
else
{
if (logicalTree == null)
{
logicalTree = treeNodeProvider.GetDomElement(startFrom ?? styleResourceReferenceHolder);
logicalTree.XamlCssStyleSheets.Clear();
logicalTree.XamlCssStyleSheets.Add(styleSheet);
}
root = logicalTree;
}
// apply our selector
var matchedNodes = root.QuerySelectorAllWithSelf(rule.SelectorString)
.Where(x => x != null)
.Cast <IDomElement <TDependencyObject> >()
.Where(x => treeNodeProvider.GetParent(x.Element) != null) // workaround WPF: somehow dom-tree is out of sync with UI-tree!?!
.ToList();
var otherStyleElements = matchedNodes
.Where(x =>
{
var parent = GetStyleSheetParent(x.Element);
// parent happens to be null if class was changed by binding
if (parent == null)
{
return(true);
}
var elementStyleSheet = dependencyPropertyService.GetStyleSheet(parent);
return(elementStyleSheet != null && elementStyleSheet != styleSheet);
}).ToList();
matchedNodes = matchedNodes.Except(otherStyleElements).ToList();
// Debug.WriteLine($"matchedNodes: ({matchedNodes.Count}) " + string.Join(", ", matchedNodes.Select(x => x.Id)));
var matchedElementTypes = matchedNodes
.Select(x => x.Element.GetType())
.Distinct()
.ToList();
// Debug.WriteLine($"Matched Types: ({matchedElementTypes.Count}) " + string.Join(", ", matchedElementTypes.Select(x => x.Name)));
foreach (var matchingNode in matchedNodes)
{
var element = matchingNode.Element;
var matchingStyles = dependencyPropertyService.GetMatchingStyles(element) ?? new string[0];
var resourceKey = nativeStyleService.GetStyleResourceKey(styleSheet.Id, element.GetType(), rule.SelectorString);
dependencyPropertyService.SetMatchingStyles(element, matchingStyles.Concat(new[] { resourceKey }).Distinct().ToArray());
if (requiredStyleInfos.Any(x => x.Rule == rule && x.MatchedType == element.GetType()) == false)
{
requiredStyleInfos.Add(new StyleMatchInfo
{
Rule = rule,
MatchedType = element.GetType()
});
}
}
}
return(requiredStyleInfos);
}
private List <StyleMatchInfo> UpdateMatchingStyles(TUIElement styleResourceReferenceHolder, StyleSheet styleSheet, TUIElement startFrom)
{
var requiredStyleInfos = new List <StyleMatchInfo>();
IDomElement <TDependencyObject> root = null;
IDomElement <TDependencyObject> visualTree = null;
IDomElement <TDependencyObject> logicalTree = null;
foreach (var rule in styleSheet.Rules)
{
if (rule.SelectorType == SelectorType.VisualTree)
{
if (visualTree == null)
{
visualTree = treeNodeProvider.GetDomElement(startFrom ?? styleResourceReferenceHolder);
visualTree.XamlCssStyleSheets.Clear();
visualTree.XamlCssStyleSheets.Add(styleSheet);
}
root = visualTree;
}
else
{
if (logicalTree == null)
{
logicalTree = treeNodeProvider.GetDomElement(startFrom ?? styleResourceReferenceHolder);
logicalTree.XamlCssStyleSheets.Clear();
logicalTree.XamlCssStyleSheets.Add(styleSheet);
}
root = logicalTree;
}
// apply our selector
var matchedNodes = root.QuerySelectorAllWithSelf(rule.SelectorString)
.Where(x => x != null)
.Cast <IDomElement <TDependencyObject> >()
.ToList();
// Debug.WriteLine($"matchedNodes: ({matchedNodes.Count}) " + string.Join(", ", matchedNodes.Select(x => x.Id)));
var matchedElementTypes = matchedNodes
.Select(x => x.Element.GetType())
.Distinct()
.ToList();
// Debug.WriteLine($"Matched Types: ({matchedElementTypes.Count}) " + string.Join(", ", matchedElementTypes.Select(x => x.Name)));
foreach (var matchingNode in matchedNodes)
{
var element = matchingNode.Element;
var matchingStyles = dependencyPropertyService.GetMatchingStyles(element) ?? new string[0];
var resourceKey = nativeStyleService.GetStyleResourceKey(element.GetType(), rule.SelectorString);
dependencyPropertyService.SetMatchingStyles(element, matchingStyles.Concat(new[] { resourceKey }).Distinct().ToArray());
if (requiredStyleInfos.Any(x => x.Rule == rule && x.MatchedType == element.GetType()) == false)
{
requiredStyleInfos.Add(new StyleMatchInfo
{
Rule = rule,
MatchedType = element.GetType()
});
}
}
}
return(requiredStyleInfos);
}