void CallModifiers(XDocument html, IReadOnlyPage page)
{
foreach (var modifier in modifiers)
{
modifier.Modify(html, page);
}
}
XElement GetLinkOrSpan(IReadOnlyPage page, IReadOnlyPage currentPage)
{
if (page.Path == currentPage.Path)
{
return new XElement("span", page.NavigationText);
}
else
{
return new XElement("a", new XAttribute("href", UrlBase + page.Path), page.NavigationText);
}
}
XElement SubMenu(IReadOnlyPage page, IReadOnlyPage currentPage, int level)
{
if (IsUserAdmin || page.Count(c => c.Navigation) > 0)
{
return new XElement("ul", BuildMenu(page, currentPage, level));
}
else
{
return null;
}
}
XElement GetLinkOrSpan(IReadOnlyPage page, IReadOnlyPage currentPage)
{
if (page.Path == currentPage.Path)
{
return(new XElement("span", page.NavigationText));
}
else
{
return(new XElement("a", new XAttribute("href", UrlBase + page.Path), page.NavigationText));
}
}
XElement SubMenu(IReadOnlyPage page, IReadOnlyPage currentPage, int level)
{
if (IsUserAdmin || page.Count(c => c.Navigation) > 0)
{
return(new XElement("ul", BuildMenu(page, currentPage, level)));
}
else
{
return(null);
}
}
IEnumerable<XElement> BuildMenu(IEnumerable<IReadOnlyPage> pages, IReadOnlyPage currentPage, int level)
{
return from page in pages
where IsUserAdmin || page.Navigation
select new XElement("li",
(IsUserAdmin ? new XAttribute("data-path", page.Path) : null),
new XAttribute("class", "level-" + level + (page.Path == currentPage.Path || page.Contains(currentPage) ? " current" : "")),
(page.Navigation ? null : new XAttribute("style", "display:none")),
GetLinkOrSpan(page, currentPage),
SubMenu(page, currentPage, level + 1)
);
}
public bool Contains(IReadOnlyPage page)
{
foreach (var child in Pages)
{
if (child == page)
{
return(true);
}
if (child.Contains(page))
{
return(true);
}
}
return(false);
}
bool IReadOnlyPage.Contains(IReadOnlyPage page)
{
foreach (IReadOnlyPage child in this)
{
if (child == page)
{
return(true);
}
if (child.Contains(page))
{
return(true);
}
}
return(false);
}
void AddPageNameClassToBody(IReadOnlyPage page, XDocument html)
{
var path = page.Path.Replace('/', '_');
var cssClass = "page-" + path;
var body = html.Root.Element("body");
if (body.Attribute("class") == null)
{
body.Add(new XAttribute("class", cssClass));
}
else
{
body.Attribute("class").Value += " " + cssClass;
}
}
IEnumerable <XElement> BuildMenu(IEnumerable <IReadOnlyPage> pages, IReadOnlyPage currentPage, int level)
{
return(from page in pages
where IsUserAdmin || page.Navigation
let classes = new[] {
page.Path.Replace('/', '_'),
"level-" + level,
(page.Path == currentPage.Path || page.Contains(currentPage) ? "current" : "")
}
select new XElement("li",
(IsUserAdmin ? new XAttribute("data-path", page.Path) : null),
new XAttribute("class", string.Join(" ", classes)),
(page.Navigation ? null : new XAttribute("style", "display:none")),
GetLinkOrSpan(page, currentPage),
SubMenu(page, currentPage, level + 1)
));
}
void AddDescriptionMetaTag(IReadOnlyPage page, XDocument html)
{
if (string.IsNullOrEmpty(page.Description)) return;
var head = html.Root.Element("head");
var title = head.Element("title");
var meta = new XElement("meta",
new XAttribute("name", "description"),
new XAttribute("content", page.Description));
if (title != null)
{
title.AddAfterSelf(meta);
}
else
{
head.AddFirst(meta);
}
}
public IReadOnlyPage FindCurrentPageAtLevel(int level, IReadOnlyPage currentPage)
{
if (level < 1)
{
throw new ArgumentOutOfRangeException("level", level, "level must be greater than zero.");
}
foreach (var page in this)
{
if (page == currentPage)
{
return(page);
}
var p = FindCurrentPageAtLevel(1, level - 1, page, currentPage);
if (p != null)
{
return(p);
}
}
return(null);
}
void AddDescriptionMetaTag(IReadOnlyPage page, XDocument html)
{
if (string.IsNullOrEmpty(page.Description))
{
return;
}
var head = html.Root.Element("head");
var title = head.Element("title");
var meta = new XElement("meta",
new XAttribute("name", "description"),
new XAttribute("content", page.Description));
if (title != null)
{
title.AddAfterSelf(meta);
}
else
{
head.AddFirst(meta);
}
}
IReadOnlyPage FindCurrentPageAtLevel(int currentLevel, int wantedLevel, IReadOnlyPage container, IReadOnlyPage currentPage)
{
foreach (var page in container)
{
if (page == currentPage)
{
return((IReadOnlyPage)container);
}
if (page.Contains(currentPage))
{
if (currentLevel == wantedLevel)
{
return(page);
}
else
{
return(FindCurrentPageAtLevel(currentLevel++, wantedLevel, page, currentPage));
}
}
}
return(null);
}
void CallModifiers(XDocument html, IReadOnlyPage page)
{
foreach (var modifier in modifiers)
{
modifier.Modify(html, page);
}
}
void AddPageNameClassToBody(IReadOnlyPage page, XDocument html)
{
var path = page.Path.Replace('/','_');
var cssClass = "page-" + path;
var body = html.Root.Element("body");
if (body.Attribute("class") == null)
{
body.Add(new XAttribute("class", cssClass));
}
else
{
body.Attribute("class").Value += " " + cssClass;
}
}
public bool Contains(IReadOnlyPage page)
{
return false;
}
public bool Contains(IReadOnlyPage page)
{
return(false);
}
