public override void OnActionExecuting(ActionExecutingContext filterContext)
{
base.OnActionExecuting(filterContext);
List<Page> pages = Page.GetMenu();
Menu mainMenu = new Menu(Display.MainMenu, filterContext.RequestContext.RouteData.Values);
foreach (Page p in pages)
{
MenuItem item = new MenuItem(mainMenu, p.Title, p.Url);
mainMenu.Items.Add(item);
}
filterContext.Controller.ViewBag.MainMenu = mainMenu;
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
base.OnActionExecuting(filterContext);
Menu mainMenu = new Menu(Display.MainMenu, filterContext.RequestContext.RouteData.Values);
mainMenu.Items = new List<MenuItem>()
{
new MenuItem(mainMenu, Display.Pages, "Index", "Pages"),
new MenuItem(mainMenu, Display.Posts, "Index", "Posts"),
new MenuItem(mainMenu, Display.Users, "Index", "Users"),
};
filterContext.Controller.ViewBag.MainMenu = mainMenu;
}
/// <summary>
///
/// </summary>
/// <param name="htmlHelper"></param>
/// <param name="menu"></param>
/// <returns></returns>
public static MvcHtmlString Breadcrumbs(this HtmlHelper htmlHelper, Menu menu, string separator = ">>")
{
MenuItem item = menu.Items.FirstOrDefault(x => x.Items, x => x.IsCurrent);
if (item != null)
{
List<KeyValuePair<string, string>> crumbs = new List<KeyValuePair<string, string>>();
UrlHelper url = new UrlHelper(htmlHelper.ViewContext.RequestContext);
while (item != null)
{
KeyValuePair<string, string> link = new KeyValuePair<string, string>(item.Title,
url.Action(item.Action, item.Controller, new RouteValueDictionary(item.RoutesValues)));
crumbs.Add(link);
item = item.Parent;
}
TagBuilder span = new TagBuilder("span");
for (int i = crumbs.Count - 1; i >= 0; i--)
{
TagBuilder linkTag = new TagBuilder("a");
linkTag.InnerHtml = crumbs[i].Key;
linkTag.MergeAttribute("title", crumbs[i].Key);
linkTag.MergeAttribute("href", crumbs[i].Value);
if (i > 0)
{
span.InnerHtml += linkTag.ToString() + " " + separator + " ";
}
else
{
span.InnerHtml += linkTag.ToString();
}
}
return span.ToMvcHtmlString();
}
return MvcHtmlString.Empty;
}
/// <summary>
///
/// </summary>
/// <param name="htmlHelper"></param>
/// <param name="menu"></param>
/// <returns></returns>
public static MvcHtmlString Menu(this HtmlHelper htmlHelper, Menu menu, string activeItemCssClass = "active")
{
if (menu == null || menu.Items.Count <= 0)
return new MvcHtmlString(string.Empty);
TagBuilder ulTag = htmlHelper.RenderMenuItems(menu.Items);
if (menu.HtmlAttributes != null)
{
RouteValueDictionary attributes = new RouteValueDictionary(menu.HtmlAttributes);
ulTag.MergeAttributes(attributes);
}
return ulTag.ToMvcHtmlString();
}
/// <summary>
///
/// </summary>
/// <param name="menu"></param>
/// <param name="title"></param>
/// <param name="action"></param>
/// <param name="controller"></param>
/// <param name="visible"></param>
/// <param name="htmlAttributes"></param>
/// <param name="routeValues"></param>
public MenuItem(Menu menu, string title, string action, string controller, bool visible,
object htmlAttributes, object routeValues)
: this(menu, null, title, action, controller, visible, htmlAttributes, routeValues)
{
}
/// <summary>
///
/// </summary>
/// <param name="menu"></param>
/// <param name="parent"></param>
/// <param name="title"></param>
/// <param name="action"></param>
/// <param name="controller"></param>
/// <param name="visible"></param>
public MenuItem(Menu menu, MenuItem parent, string title, string action, string controller, bool visible)
: this(menu, parent, title, action, controller, visible, null, null)
{
}
/// <summary>
///
/// </summary>
/// <param name="menu"></param>
/// <param name="parent"></param>
/// <param name="title"></param>
/// <param name="action"></param>
/// <param name="controller"></param>
public MenuItem(Menu menu, MenuItem parent, string title, string action, string controller)
: this(menu, parent, title, action, controller, true, null, null)
{
}
/// <summary>
///
/// </summary>
/// <param name="menu"></param>
/// <param name="title"></param>
/// <param name="url"></param>
public MenuItem(Menu menu, string title, string url)
{
this.Menu = menu;
this.Title = title;
this.Url = url;
}
/// Creates new instance of menu item
/// </summary>
/// <param name="menu">Menu this itm=em is belongs to.</param>
/// <param name="parent">Parent MenuItem of this item.</param>
/// <param name="title">The title of menu item.</param>
/// <param name="action">The target controller action.</param>
/// <param name="controller">The target controller.</param>
/// <param name="visible">Set visibility of menu item while rendering.</param>
/// <param name="htmlAttributes">An a html attributes of the menu item.</param>
/// <param name="routeValues">An a additional route values to specify menu item link target.</param>
public MenuItem(Menu menu, MenuItem parent, string title, string action, string controller, bool visible,
IDictionary<string, object> htmlAttributes, IDictionary<string, object> routeValues)
{
this.Menu = menu;
this.Parent = parent;
this.Title = title;
this.Action = action;
this.Controller = controller;
this.HtmlAttributes = htmlAttributes;
this.RoutesValues = routeValues;
this.Visible = visible;
this.Items = new List<MenuItem>();
}
/// <summary>
///
/// </summary>
/// <param name="menu"></param>
/// <param name="parent"></param>
/// <param name="title"></param>
/// <param name="action"></param>
/// <param name="controller"></param>
/// <param name="visible"></param>
/// <param name="htmlAttributes"></param>
/// <param name="routeValues"></param>
public MenuItem(Menu menu, MenuItem parent, string title, string action, string controller, bool visible,
object htmlAttributes, object routeValues)
: this(menu, parent, title, action, controller, visible, null, null)
{
this.HtmlAttributes = htmlAttributes.ToDictionary();
this.RoutesValues = routeValues.ToDictionary();
}