private static string CreateCacheKey(HtmlHelper html, Func <string, HelperResult> template, string cacheKey, bool?perPage, int?perAncestorAtLevel)
{
int perPageComponent = 0;
if (perPage ?? !perAncestorAtLevel.HasValue)
{
var page = html.CurrentPage();
if (page != null)
{
perPageComponent = page.ID;
}
}
int perAncestorComponent = 0;
if (perAncestorAtLevel.HasValue)
{
var ancestor = html.Content().Traverse.AncestorAtLevel(perAncestorAtLevel.Value, fallbackToClosest: true);
if (ancestor != null)
{
perAncestorComponent = ancestor.ID;
}
}
string composedKey = "Html.OutputCache"
+ cacheKey
+ template.Method.ToString()
+ perPageComponent
+ perAncestorComponent;
return(composedKey);
}
public override void RenderTemplate(HtmlHelper html, ContentItem item)
{
ContentPage page = new ContentPage();
page.CurrentPage = html.CurrentPage();
Engine.ResolveAdapter<PartsAdapter>(page.CurrentPage).AddChildPart(item, page);
page.RenderControl(new HtmlTextWriter(html.ViewContext.Writer));
}
public override void RenderPart(HtmlHelper html, ContentItem part, System.IO.TextWriter writer = null)
{
ContentPage page = new ContentPage();
page.CurrentPage = html.CurrentPage();
Engine.ResolveAdapter<PartsAdapter>(page.CurrentPage).AddChildPart(part, page);
page.RenderControl(new HtmlTextWriter(html.ViewContext.Writer));
}
public override void RenderTemplate(HtmlHelper html, ContentItem item)
{
ContentPage page = new ContentPage();
page.CurrentPage = html.CurrentPage();
N2.Web.UI.ItemUtility.AddUserControl(page, item);
page.RenderControl(new HtmlTextWriter(html.ViewContext.Writer));
}
public override void RenderTemplate(HtmlHelper html, ContentItem item)
{
ContentPage page = new ContentPage();
page.CurrentPage = html.CurrentPage();
N2.Web.UI.ItemUtility.AddUserControl(page, item);
page.RenderControl(new HtmlTextWriter(html.ViewContext.Writer));
}
public override void RenderPart(HtmlHelper html, ContentItem part, System.IO.TextWriter writer = null)
{
ContentPage page = new ContentPage();
page.CurrentPage = html.CurrentPage();
Engine.ResolveAdapter <PartsAdapter>(page.CurrentPage).AddChildPart(part, page);
page.RenderControl(new HtmlTextWriter(html.ViewContext.Writer));
}
/// <summary>Creates a navigation using unordered list elements.</summary>
public static N2.Web.Tree Tree(this HtmlHelper html,
ContentItem startsFrom = null,
ContentItem current = null,
int takeLevels = 2,
bool parallelRoot = true,
bool appendCreatorNode = false,
ItemFilter filter = null,
object htmlAttributes = null)
{
if (startsFrom == null)
{
startsFrom = html.StartPage();
}
if (current == null)
{
current = html.CurrentPage();
}
if (filter == null)
{
filter = new NavigationFilter(html.ViewContext.HttpContext.User, html.ContentEngine().SecurityManager);
}
var builder = parallelRoot
? (HierarchyBuilder) new ParallelRootHierarchyBuilder(startsFrom, takeLevels)
: (HierarchyBuilder) new TreeHierarchyBuilder(startsFrom, takeLevels);
if (builder == null)
{
throw new ArgumentException("builder == null");
}
if (appendCreatorNode && ControlPanelExtensions.GetControlPanelState(html).IsFlagSet(ControlPanelState.DragDrop))
{
builder.GetChildren = (i) => i == null ? null : i.Children.FindNavigatablePages().Where(filter).AppendCreatorNode(html.ContentEngine(), i);
}
else
{
builder.GetChildren = (i) => i == null ? null : i.Children.FindNavigatablePages().Where(filter);
}
var tree = N2.Web.Tree.Using(builder);
if (htmlAttributes != null)
{
tree.Tag(BootstrapTagAlterations(startsFrom, current, htmlAttributes));
}
ClassifyAnchors(startsFrom, current, parallelRoot, tree);
return(tree);
}
/// <summary>
/// Build a tree that is bootstrap friendly
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="helper"></param>
/// <param name="startFrom"></param>
/// <param name="currentItem"></param>
/// <param name="takeLevel"></param>
/// <param name="filter"></param>
/// <param name="appendCreatorNode"></param>
/// <param name="includeRoot"></param>
/// <param name="onHoverDropdowns"></param>
/// <returns></returns>
public static N2.Web.Tree BootstrapTree <TModel>(this HtmlHelper <TModel> helper,
ContentItem startFrom = null,
ContentItem currentItem = null,
int takeLevel = 2,
ItemFilter filter = null,
bool appendCreatorNode = false,
bool includeRoot = true,
bool onHoverDropdowns = false)
{
// prep
if (startFrom == null)
{
startFrom = helper.StartPage();
}
if (currentItem == null)
{
currentItem = helper.CurrentPage();
}
if (filter == null)
{
filter = new NavigationFilter(helper.ViewContext.RequestContext.HttpContext.User, helper.ContentEngine().SecurityManager);
}
HierarchyBuilder builder = new ParallelRootHierarchyBuilder(startFrom, takeLevel);
builder.GetChildren = (builder.GetChildren = (item) =>
{
var items = item.Children.Where(filter);
if (appendCreatorNode && item.IsPage && helper.GetControlPanelState().IsFlagSet(ControlPanelState.DragDrop))
{
items = items.AppendCreatorNode(helper.ContentEngine(), item);
}
return(items.ToList());
});
var node = builder.Build();
if (!includeRoot)
{
node.Children.RemoveAt(0);
}
var tree = N2.Web.Tree.Using(node);
tree.HtmlAttibutes(new { @class = "nav" });
ClassifyAnchors(startFrom, currentItem, tree);
return(tree);
}
public static ContentItem CurrentPage(this HtmlHelper helper)
{
return(helper.CurrentPage <ContentItem>());
}
public static PathData CurrentPath(this HtmlHelper helper)
{
return(new PathData {
CurrentItem = helper.CurrentItem <ContentItem>(), CurrentPage = helper.CurrentPage <ContentItem>()
});
}
