void Populate(ICssRuleList rules)
{
foreach (var rule in rules)
{
children.Add(new CssRuleViewModel(rule));
}
}
/// <summary>
/// Gets the style rule with the provided selector text.
/// </summary>
/// <param name="rules">The rules to look in.</param>
/// <param name="selectorText">The selector text to look for.</param>
/// <param name="context">The context for normalizing the CSS selector.</param>
/// <returns>The style rule, if any.</returns>
public static ICssStyleRule GetStyleRuleWith(this ICssRuleList rules, String selectorText, IBrowsingContext context = null)
{
var styleRules = rules.OfType <ICssStyleRule>();
var parser = context?.GetService <ICssSelectorParser>();
var normalizedSelectorText = parser?.ParseSelector(selectorText)?.Text ?? selectorText;
foreach (var rule in styleRules)
{
if (rule.SelectorText.Is(normalizedSelectorText))
{
return(rule);
}
}
return(null);
}
/// <summary>
/// Gets the styles matching the given render device.
/// </summary>
/// <param name="rules">The set of rules.</param>
/// <param name="device">The render device.</param>
/// <returns>The style rules.</returns>
public static IEnumerable <ICssStyleRule> GetMatchingStyles(this ICssRuleList rules, IRenderDevice device)
{
foreach (var rule in rules)
{
if (rule.Type == CssRuleType.Media)
{
var media = (ICssMediaRule)rule;
if (media.IsValid(device))
{
var subrules = media.Rules.GetMatchingStyles(device);
foreach (var subrule in subrules)
{
yield return(subrule);
}
}
}
else if (rule.Type == CssRuleType.Supports)
{
var support = (ICssSupportsRule)rule;
if (support.IsValid(device))
{
var subrules = support.Rules.GetMatchingStyles(device);
foreach (var subrule in subrules)
{
yield return(subrule);
}
}
}
else if (rule.Type == CssRuleType.Style)
{
yield return((ICssStyleRule)rule);
}
}
}
private IEnumerable <ICssStyleRule> GetRules(ICssRuleList rules)
{
foreach (var rule in rules)
{
if (rule.Type == CssRuleType.Media)
{
var media = (ICssMediaRule)rule;
if (media.IsValid(_device))
{
var subrules = GetRules(media.Rules);
foreach (var subrule in subrules)
{
yield return(subrule);
}
}
}
else if (rule.Type == CssRuleType.Supports)
{
var support = (ICssSupportsRule)rule;
if (support.IsValid(_device))
{
var subrules = GetRules(support.Rules);
foreach (var subrule in subrules)
{
yield return(subrule);
}
}
}
else if (rule.Type == CssRuleType.Style)
{
yield return((ICssStyleRule)rule);
}
}
}
void Populate(ICssRuleList rules)
{
foreach (var rule in rules)
children.Add(new CssRuleViewModel(rule));
}
