private static Func<MenuItem, HelperResult> GetDefaultItemTemplate(HtmlHelper helper)
{
return x => new HelperResult(writer => writer.Write(helper.PageLink(x.Page)));
}
private static Func <IList <CarouselItemViewModel>, HelperResult> GetDefaultCarouselItemTemplate(HtmlHelper helper)
{
return(x => x is PageData ? new HelperResult(writer => writer.Write(helper.PageLink(x.First().Page as PageData))) : null);
}
private static Func <MenuItem, HelperResult> GetDefaultItemTemplate(HtmlHelper helper)
{
return(x => new HelperResult(writer => writer.Write(helper.PageLink(x.Page))));
}
public static void RenderMainNavigation(
this HtmlHelper html,
PageReference rootLink = null,
ContentReference contentLink = null,
bool includeRoot = true,
IContentLoader contentLoader = null)
{
contentLink = contentLink ??
html.ViewContext.RequestContext.GetContentLink();
rootLink = rootLink ??
ContentReference.StartPage;
var writer = html.ViewContext.Writer;
//Top level elements
writer.WriteLine("<nav class=\"navbar navbar-inverse\">");
writer.WriteLine("<ul class=\"nav navbar-nav\">");
if (includeRoot)
{
//Link to the root page
if (rootLink.CompareToIgnoreWorkID(contentLink))
{
writer.WriteLine("<li class=\"active\">");
}
else
{
writer.WriteLine("<li>");
}
writer.WriteLine(
html.PageLink(rootLink).ToHtmlString());
writer.WriteLine("</li>");
}
//Retrieve and filter the root pages children
contentLoader = contentLoader ??
ServiceLocator.Current.GetInstance <IContentLoader>();
var topLevelPages = contentLoader
.GetChildren <PageData>(rootLink);
topLevelPages = FilterForVisitor.Filter(topLevelPages)
.OfType <PageData>()
.Where(x => x.VisibleInMenu);
//Retrieve the "path" from the current page up to the
//root page in the content tree in order to check if
//a link should be highlighted.
var currentBranch = contentLoader.GetAncestors(contentLink)
.Select(x => x.ContentLink)
.ToList();
currentBranch.Add(contentLink);
//Link to the root pages children
foreach (var topLevelPage in topLevelPages)
{
if (currentBranch.Any(x =>
x.CompareToIgnoreWorkID(topLevelPage.ContentLink)))
{
writer.WriteLine("<li class=\"active\">");
}
else
{
writer.WriteLine("<li>");
}
writer.WriteLine(html.PageLink(topLevelPage).ToHtmlString());
writer.WriteLine("</li>");
}
//Close top level element
writer.WriteLine("</ul>");
writer.WriteLine("</nav>");
}
private static void RenderSubNavigationLevel(
HtmlHelper helper,
ContentReference levelRootLink,
IEnumerable <ContentReference> path,
IContentLoader contentLoader)
{
//Retrieve and filter the pages on the current level
var children = contentLoader.GetChildren <PageData>(levelRootLink);
children = FilterForVisitor.Filter(children)
.OfType <PageData>()
.Where(x => x.VisibleInMenu);
if (!children.Any())
{
//There's nothing to render on this level so we abort
//in order not to write an empty ul element.
return;
}
var writer = helper.ViewContext.Writer;
//Open list element for the current level
writer.WriteLine("<ul class=\"nav\">");
//Project to an anonymous class in order to know
//the index of each page in the collection when
//iterating over it.
var indexedChildren = children
.Select((page, index) => new { index, page })
.ToList();
foreach (var levelItem in indexedChildren)
{
var page = levelItem.page;
var partOfCurrentBranch = path.Any(x =>
x.CompareToIgnoreWorkID(levelItem.page.ContentLink));
if (partOfCurrentBranch)
{
//We highlight pages that are part of the current branch,
//including the currently viewed page.
writer.WriteLine("<li class=\"active\">");
}
else
{
writer.WriteLine("<li>");
}
writer.WriteLine(helper.PageLink(page).ToHtmlString());
if (partOfCurrentBranch)
{
//The page is part of the current pages branch,
//so we render a level below it
RenderSubNavigationLevel(
helper,
page.ContentLink,
path,
contentLoader);
}
writer.WriteLine("</li>");
}
//Close list element
writer.WriteLine("</ul>");
}
/// <summary>
/// Provides a link to the page with the provided title, querying it in the database first.
/// </summary>
/// <returns>If the page is not found, the link text is returned.</returns>
public static MvcHtmlString PageLink(this HtmlHelper helper, string linkText, string pageTitle)
{
return(helper.PageLink(linkText, pageTitle, null, "", ""));
}
/// <summary>
/// Provides a link to the page with the provided title, querying it in the database first,
/// with optional prefix and suffix tags or seperators.
/// </summary>
/// <returns>If the page is not found, the link text is returned.</returns>
public static MvcHtmlString PageLink(this HtmlHelper helper, string linkText, string pageTitle, string prefix, string suffix)
{
return(helper.PageLink(linkText, pageTitle, null, prefix, suffix));
}
private static Func <MenuItemViewModel, HelperResult> GetDefaultItemTemplate(HtmlHelper helper) => x => new HelperResult(writer => writer.Write(helper.PageLink(x.Page)));
private static void RenderSubNavigationLevel(HtmlHelper helper, ContentReference levelRootLink,
IEnumerable<ContentReference> path, IContentLoader contentLoader)
{
var children = contentLoader.GetChildren<PageData>(levelRootLink);
children = FilterForVisitor.Filter(children).OfType<PageData>().Where(x => x.VisibleInMenu);
if (!children.Any())
{
return;
}
var writer = helper.ViewContext.Writer;
writer.WriteLine("<ul class=\"nav\">");
var indexedChildren = children.Select((page, index) => new
{
index,
page
}).ToList();
foreach (var levelItem in indexedChildren)
{
var page = levelItem.page;
var partOfCurrentBranch = path.Any(x => x.CompareToIgnoreWorkID(levelItem.page.ContentLink));
if (partOfCurrentBranch)
{
writer.WriteLine("<li class=\"active\">");
}
else
{
writer.WriteLine("<li>");
}
writer.WriteLine(helper.PageLink(page).ToHtmlString());
if (partOfCurrentBranch)
{
RenderSubNavigationLevel(helper, page.ContentLink, path, contentLoader);
}
writer.WriteLine("</li>");
}
writer.WriteLine("</ul>");
}
public static void RenderTwoLevelNavigation(this HtmlHelper html,
PageReference rootLink = null,
ContentReference contentLink = null,
bool includeRoot = true,
IContentLoader contentLoader = null)
{
var writer = html.ViewContext.Writer;
writer.WriteLine("<nav class='navbar navbar-expand-md navbar-light bg-light'>");
writer.WriteLine("<a class='navbar-brand' href='#'>Acquire EPiServer</a>");
writer.WriteLine("<button class='navbar-toggler' type='button' data-toggle='collapse' data-target='#navbarSupportedContent' aria-controls='navbarSupportedContent' aria-expanded='false' aria-label='Toggle navigation'>");
writer.WriteLine("<span class='navbar-toggler-icon'></span>");
writer.WriteLine("</button>");
writer.WriteLine("<div class='collapse navbar-collapse' id='navbarSupportedContent'>");
writer.WriteLine("<ul class='navbar-nav mr-auto'>");
contentLink = contentLink ?? html.ViewContext.RequestContext.GetContentLink();
rootLink = rootLink ?? ContentReference.StartPage;
contentLoader = contentLoader ?? ServiceLocator.Current.GetInstance <IContentLoader>();
var urlResolver = ServiceLocator.Current.GetInstance <UrlResolver>();
var topLevelPages = contentLoader.GetChildren <PageData>(rootLink);
foreach (var topLevelPage in topLevelPages)
{
var pageUrl = urlResolver.GetVirtualPath(topLevelPage.ContentLink).VirtualPath;
var containChilds = contentLoader.GetChildren <PageData>(topLevelPage.ContentLink).Any();
if (containChilds)
{
writer.WriteLine("<li class=\"nav-item dropdown\">");
writer.WriteLine("<a class=\"nav-link dropdown-toggle\" href =\"" + pageUrl + "\" id =\"navbarDropdown\" role =\"button\" data-toggle=\"dropdown\" aria-haspopup=\"true\" aria-expanded=\"false\">");
writer.WriteLine(topLevelPage.Name);
writer.WriteLine("</a>");
writer.WriteLine("<div class=\"dropdown-menu\" aria-labelledby=\"navbarDropdown\">");
var Childs = contentLoader.GetChildren <PageData>(topLevelPage.ContentLink);
if (Childs != null)
{
foreach (var Child in Childs)
{
var childPageUrl = urlResolver.GetVirtualPath(Child.ContentLink).VirtualPath;
writer.WriteLine("<a class=\"dropdown-item\" href=\"" + childPageUrl + "\">" + Child.Name + "</a>");
}
}
writer.WriteLine("<div class=\"dropdown-divider\"></div>");
writer.WriteLine("<a class=\"dropdown-item\" href=\"#\" >Something else here</a>");
writer.WriteLine("</div>");
}
else
{
writer.WriteLine("<li class=\"nav-item\">");
writer.WriteLine(html.PageLink(topLevelPage, null, new { @class = "nav-link" }).ToHtmlString());
}
writer.WriteLine("</li>");
}
writer.WriteLine("</ul>");
writer.WriteLine("<form class='form-inline my-2 my-lg-0'>");
writer.WriteLine("<input class='form-control mr-sm-2' type='search' placeholder='Search' aria-label='Search'>");
writer.WriteLine("<button class='btn btn-outline-success my-2 my-sm-0' type='submit'>Search</button>");
writer.WriteLine("</form>");
writer.WriteLine("</div>");
writer.WriteLine("</nav>");
}
private static void RenderSubNavigationLevel(HtmlHelper helper,
ContentReference levelRootLink, IEnumerable <ContentReference> path,
IContentLoader contentLoader)
{ //Retrieve and filter the pages on the current level
var children = contentLoader.GetChildren <PageData>(levelRootLink);
children = FilterForVisitor.Filter(children).OfType <PageData>().Where(x => x.VisibleInMenu);
if (!children.Any())
{
//There's nothing to render on this level so we abort
//in order not to write an empty ul element.
return;
}
var writer = helper.ViewContext.Writer;
//Open list element for the current level
//writer.WriteLine("<ul class=\"nav\">");
writer.WriteLine("<nav class='navbar navbar-expand-md navbar-light bg-light'>");
writer.WriteLine("<a class='navbar-brand' href='#'>Acquire EPiServer</a>");
writer.WriteLine("<button class='navbar-toggler' type='button' data-toggle='collapse' data-target='#navbarSupportedContent' aria-controls='navbarSupportedContent' aria-expanded='false' aria-label='Toggle navigation'>");
writer.WriteLine("<span class='navbar-toggler-icon'></span>");
writer.WriteLine("</button>");
writer.WriteLine("<div class='collapse navbar-collapse' id='navbarSupportedContent'>");
writer.WriteLine("<ul class='navbar-nav mr-auto'>");
//Project to an anonymous class in order to know
//the index of each page in the collection when
//iterating over it.
var indexedChildren = children.Select((page, index) => new { index, page }).ToList();
foreach (var levelItem in indexedChildren)
{
var page = levelItem.page;
var partOfCurrentBranch = path.Any(x => x.CompareToIgnoreWorkID(levelItem.page.ContentLink));
if (partOfCurrentBranch)
{
//We highlight pages that are part of the current branch,
//including the currently viewed page.
writer.WriteLine("<li class=\"active nav-item\">");
}
else
{
writer.WriteLine("<li class=\"nav-item\">");
}
// writer.WriteLine(helper.PageLink(page).ToHtmlString());
writer.WriteLine(helper.PageLink(page, null, new { @class = "nav-link" }).ToHtmlString());
if (partOfCurrentBranch)
{
//The page is part of the current pages branch,
//so we render a level below it
RenderSubNavigationLevel(helper, page.ContentLink, path, contentLoader);
}
writer.WriteLine("</li>");
}
//Close list element
//writer.WriteLine("</ul>");
writer.WriteLine("</ul>");
writer.WriteLine("<form class='form-inline my-2 my-lg-0'>");
writer.WriteLine("<input class='form-control mr-sm-2' type='search' placeholder='Search' aria-label='Search'>");
writer.WriteLine("<button class='btn btn-outline-success my-2 my-sm-0' type='submit'>Search</button>");
writer.WriteLine("</form>");
writer.WriteLine("</div>");
writer.WriteLine("</nav>");
}
/// <summary>
///
/// </summary>
/// <param name="html"></param>
/// <param name="rootLink"></param>
/// <param name="contentLink"></param>
/// <param name="includeRoot"></param>
/// <param name="contentLoader"></param>
public static void RenderMainNavigation(this HtmlHelper html,
PageReference rootLink = null,
ContentReference contentLink = null,
bool includeRoot = true,
IContentLoader contentLoader = null)
{
contentLink = contentLink ?? html.ViewContext.RequestContext.GetContentLink();
rootLink = rootLink ?? ContentReference.StartPage;
var writer = html.ViewContext.Writer;
writer.WriteLine("<nav class='navbar navbar-expand-md navbar-light bg-light'>");
writer.WriteLine("<a class='navbar-brand' href='#'>Acquire EPiServer</a>");
writer.WriteLine("<button class='navbar-toggler' type='button' data-toggle='collapse' data-target='#navbarSupportedContent' aria-controls='navbarSupportedContent' aria-expanded='false' aria-label='Toggle navigation'>");
writer.WriteLine("<span class='navbar-toggler-icon'></span>");
writer.WriteLine("</button>");
writer.WriteLine("<div class='collapse navbar-collapse' id='navbarSupportedContent'>");
writer.WriteLine("<ul class='navbar-nav mr-auto'>");
if (includeRoot)
{
if (rootLink.CompareToIgnoreWorkID(contentLink))
{
writer.WriteLine("<li class=\"active nav-item\">");
}
else
{
writer.WriteLine("<li class=\"nav-item\">");
}
writer.WriteLine(html.PageLink(rootLink, null, new { @class = "nav-link" }).ToHtmlString());
writer.WriteLine("</li>");
}
contentLoader = contentLoader ?? ServiceLocator.Current.GetInstance <IContentLoader>();
var topLevelPages = contentLoader.GetChildren <PageData>(rootLink);
// Filtering out the pages which should not be appeared in the menu
topLevelPages = FilterForVisitor.Filter(topLevelPages).OfType <PageData>().Where(x => x.VisibleInMenu);
var currentBranch = contentLoader.GetAncestors(contentLink).Select(x => x.ContentLink).ToList();
currentBranch.Add(contentLink);
// Processing further with top level pages
foreach (var topLevelPage in topLevelPages)
{
// Checking if current location is equal to content link.
if (currentBranch.Any(x => x.CompareToIgnoreWorkID(topLevelPage.ContentLink)))
{
writer.WriteLine("<li class=\"active nav-item\">");
}
else
{
writer.WriteLine("<li class=\"nav-item\">");
}
writer.WriteLine(html.PageLink(topLevelPage, null, new { @class = "nav-link" }).ToHtmlString());
writer.WriteLine("</li>");
}
writer.WriteLine("</ul>");
writer.WriteLine("<form class='form-inline my-2 my-lg-0'>");
writer.WriteLine("<input class='form-control mr-sm-2' type='search' placeholder='Search' aria-label='Search'>");
writer.WriteLine("<button class='btn btn-outline-success my-2 my-sm-0' type='submit'>Search</button>");
writer.WriteLine("</form>");
writer.WriteLine("</div>");
writer.WriteLine("</nav>");
}
