public static List<NavigationItem> GetNavigationItems(Func<string, string> resolveUrl = null,
Func<NavigationItemAttribute, bool> filter = null)
{
var result = new List<NavigationItem>();
var menuItems = GetNavigationItemAttributes(filter);
var remaining = new HashSet<string>();
foreach (var item in menuItems)
remaining.Add(item.Key);
Action<List<NavigationItem>, NavigationItemAttribute> processMenu = null;
processMenu = (parent, menu) =>
{
var path = (menu.Category.IsEmptyOrNull() ? "" : (menu.Category + "/"));
path += (menu.Title.TrimToNull() ?? "");
remaining.Remove(path);
var section = new NavigationItem
{
Title = menu.Title,
Url = (!string.IsNullOrEmpty(menu.Url) && resolveUrl != null) ? resolveUrl(menu.Url) : menu.Url,
IconClass = menu.IconClass.TrimToNull(),
Target = menu.Target.TrimToNull()
};
bool isAuthorizedSection = !menu.Url.IsEmptyOrNull() &&
(menu.Permission.IsEmptyOrNull() || Authorization.HasPermission(menu.Permission));
var children = menuItems[path];
foreach (var child in children)
processMenu(section.Children, child);
if (section.Children.Count > 0 || isAuthorizedSection)
parent.Add(section);
};
remaining.Remove("");
foreach (var menu in menuItems[""])
processMenu(result, menu);
while (remaining.Count > 0)
{
var first = remaining.First();
remaining.Remove(first);
var menu = new NavigationMenuAttribute(Int32.MaxValue, first);
processMenu(result, menu);
}
return result;
}
private void SearchActivePath(NavigationItem link, string currentUrl, int[] currentPath, int depth,
ref int[] bestMatch, ref int bestMatchLength)
{
currentPath[depth + 1] = 0;
var url = link.Url ?? "";
if (url != null && url.StartsWith("~/", StringComparison.Ordinal))
url = VirtualPathUtility.ToAbsolute(url);
if (currentUrl.IndexOf(url, StringComparison.OrdinalIgnoreCase) >= 0 &&
(bestMatchLength == 0 || url.Length > bestMatchLength))
{
bestMatch = (int[])currentPath.Clone();
bestMatchLength = url.Length;
}
if (depth <= 9)
{
foreach (var child in link.Children)
SearchActivePath(child, currentUrl, currentPath, depth + 1, ref bestMatch, ref bestMatchLength);
}
currentPath[depth]++;
}
public static List<NavigationItem> ConvertToNavigationItems(ILookup<string, NavigationItemAttribute> attrByCategory,
Func<string, string> resolveUrl)
{
var result = new List<NavigationItem>();
Action<List<NavigationItem>, NavigationItemAttribute> processAttr = null;
processAttr = (parent, attr) =>
{
var item = new NavigationItem
{
Title = (attr.Title ?? "").Replace("//", "/"),
FullPath = attr.FullPath,
Url = (!string.IsNullOrEmpty(attr.Url) && resolveUrl != null) ? resolveUrl(attr.Url) : attr.Url,
IconClass = attr.IconClass.TrimToNull(),
Target = attr.Target.TrimToNull()
};
bool isAuthorizedSection = !attr.Url.IsEmptyOrNull() &&
(attr.Permission.IsEmptyOrNull() || Authorization.HasPermission(attr.Permission));
var path = (attr.Category.IsEmptyOrNull() ? "" : (attr.Category + "/"));
path += (attr.Title ?? "");
var children = attrByCategory[path];
foreach (var child in children)
processAttr(item.Children, child);
if (item.Children.Count > 0 || isAuthorizedSection)
parent.Add(item);
};
foreach (var menu in attrByCategory[""])
processAttr(result, menu);
return result;
}
public static List<NavigationItem> GetNavigationItems(Func<string, string> resolveUrl = null,
Func<NavigationItemAttribute, bool> filter = null)
{
var result = new List<NavigationItem>();
var menuItems = GetNavigationItemAttributes(filter);
var remaining = new HashSet<string>();
foreach (var item in menuItems)
remaining.Add(item.Key);
Action<NavigationItemAttribute> processMenu = menu =>
{
remaining.Remove(menu.Title.TrimToNull());
var section = new NavigationItem
{
Title = menu.Title,
Url = (!string.IsNullOrEmpty(menu.Url) && resolveUrl != null) ? resolveUrl(menu.Url) : menu.Url,
IconClass = menu.IconClass.TrimToNull(),
Target = menu.Target.TrimToNull()
};
bool isAuthorizedSection = !menu.Url.IsEmptyOrNull() &&
(menu.Permission.IsEmptyOrNull() || Authorization.HasPermission(menu.Permission));
var children = menuItems[menu.Title.TrimToNull() ?? "???"];
foreach (var child in children)
{
if (child.Url.IsEmptyOrNull())
continue;
if (child.Permission != null &&
!Authorization.HasPermission(child.Permission))
continue;
section.Children.Add(new NavigationItem
{
Title = child.Title,
Url = (!string.IsNullOrEmpty(child.Url) && resolveUrl != null) ? resolveUrl(child.Url) : child.Url,
IconClass = child.IconClass.TrimToNull(),
Target = child.Target.TrimToNull()
});
}
if (section.Children.Count > 0 || isAuthorizedSection)
{
result.Add(section);
}
};
foreach (var menu in menuItems[null])
processMenu(menu);
while (remaining.Count > 0)
{
var first = remaining.First();
remaining.Remove(first);
var menu = new NavigationMenuAttribute(Int32.MaxValue, first);
processMenu(menu);
}
return result;
}
public static List <NavigationItem> GetNavigationItems(Func <string, string> resolveUrl = null)
{
var result = new List <NavigationItem>();
var menuItems = GetNavigationItemAttributes();
var remaining = new HashSet <string>();
foreach (var item in menuItems)
{
remaining.Add(item.Key);
}
Action <NavigationItemAttribute> processMenu = menu =>
{
remaining.Remove(menu.Title.TrimToNull());
var section = new NavigationItem
{
Title = menu.Title,
Url = (!string.IsNullOrEmpty(menu.Url) && resolveUrl != null) ? resolveUrl(menu.Url) : menu.Url,
IconClass = menu.IconClass.TrimToNull(),
Target = menu.Target.TrimToNull()
};
bool isAuthorizedSection = !menu.Url.IsEmptyOrNull() &&
(menu.Permission.IsEmptyOrNull() || Authorization.HasPermission(menu.Permission));
var children = menuItems[menu.Title.TrimToNull() ?? "???"];
foreach (var child in children)
{
if (child.Url.IsEmptyOrNull())
{
continue;
}
if (child.Permission != null &&
!Authorization.HasPermission(child.Permission))
{
continue;
}
section.Children.Add(new NavigationItem
{
Title = child.Title,
Url = (!string.IsNullOrEmpty(child.Url) && resolveUrl != null) ? resolveUrl(child.Url) : child.Url,
IconClass = child.IconClass.TrimToNull(),
Target = child.Target.TrimToNull()
});
}
if (section.Children.Count > 0 || isAuthorizedSection)
{
result.Add(section);
}
};
foreach (var menu in menuItems[null])
{
processMenu(menu);
}
while (remaining.Count > 0)
{
var first = remaining.First();
remaining.Remove(first);
var menu = new NavigationMenuAttribute(Int32.MaxValue, first);
processMenu(menu);
}
return(result);
}