public static void SetRoute(Element obj, string value)
{
obj.SetValue(RouteProperty, value);
}
public static void ApplyQueryAttributes(Element element, IDictionary <string, string> query, bool isLastItem, bool isPopping)
{
string prefix = "";
if (!isLastItem)
{
var route = Routing.GetRoute(element);
if (string.IsNullOrEmpty(route) || Routing.IsImplicit(route))
{
return;
}
prefix = route + ".";
}
//if the lastItem is implicitly wrapped, get the actual ShellContent
if (isLastItem)
{
if (element is IShellItemController shellitem && shellitem.GetItems().FirstOrDefault() is ShellSection section)
{
element = section;
}
if (element is IShellSectionController shellsection && shellsection.GetItems().FirstOrDefault() is ShellContent content)
{
element = content;
}
if (element is ShellContent shellcontent && shellcontent.Content is Element e)
{
element = e;
}
}
if (!(element is BaseShellItem baseShellItem))
{
baseShellItem = element?.Parent as BaseShellItem;
}
//filter the query to only apply the keys with matching prefix
var filteredQuery = new Dictionary <string, string>(query.Count);
foreach (var q in query)
{
if (!q.Key.StartsWith(prefix, StringComparison.Ordinal))
{
continue;
}
var key = q.Key.Substring(prefix.Length);
if (key.Contains("."))
{
continue;
}
filteredQuery.Add(key, q.Value);
}
if (baseShellItem is ShellContent)
{
baseShellItem.ApplyQueryAttributes(MergeData(element, filteredQuery, isPopping));
}
else if (isLastItem)
{
element.SetValue(ShellContent.QueryAttributesProperty, MergeData(element, query, isPopping));
}
IDictionary <string, string> MergeData(Element shellElement, IDictionary <string, string> data, bool isPopping)
{
if (!isPopping)
{
return(data);
}
var returnValue = new Dictionary <string, string>(data);
var existing = (IDictionary <string, string>)shellElement.GetValue(ShellContent.QueryAttributesProperty);
if (existing == null)
{
return(data);
}
foreach (var datum in existing)
{
if (!returnValue.ContainsKey(datum.Key))
{
returnValue[datum.Key] = datum.Value;
}
}
return(returnValue);
}
}