public void Apply(IRenderElement rootElement, string defaultTheme)
{
RenderElementStack parentStack = new RenderElementStack();
void ApplyRecurse(IRenderElement element, ITheme theme)
{
theme = ThemeOf(element, theme);
theme.Apply(element, parentStack);
if (element.Children == null)
{
return;
}
try
{
parentStack.PushParent(element);
foreach (var child in element.Children)
{
ApplyRecurse(child, theme);
}
}
finally
{
parentStack.PopParent();
}
}
var initialTheme = ThemeOf(rootElement, themes[defaultTheme]);
ApplyRecurse(rootElement, initialTheme);
}
public IEnumerable <IRenderElementStyleProperties> MatchElementStyle(
IRenderElement element, RenderElementStack stack)
{
var match = MatchExecutor.FindMatch(element, stack);
if (match != null)
{
yield return(new ThemeRenderElementStyle(this, match));
}
}
private RenderElementStack GetStack(IRenderElement tree, IRenderElement renderElement)
{
RenderElementStack temp = new RenderElementStack();
bool Search(IRenderElement node)
{
if (node == renderElement)
{
return(true);
}
if (node.Children == null)
{
return(false);
}
foreach (var item in node.Children)
{
if (Search(item))
{
temp.PushParent(node);
return(true);
}
}
return(false);
}
Search(tree).Should().BeTrue("Could not find element in tree.");
// We need to reverse the stack
RenderElementStack result = new RenderElementStack();
while (temp.Count > 0)
{
result.PushParent(temp.PopParent());
}
return(result);
}