protected virtual string RenderLink()
{
CleanTagBuilder anchor = new CleanTagBuilder("a");
if (ItemDisabled)
anchor.AddCssClass(DisabledClass);
else
anchor.Attributes["href"] = ActionUrl;
if(IsItemSelected())
anchor.AddCssClass(SelectedClass);
anchor.Attributes["title"] = HelpText;
anchor.InnerHtml += RenderIcon() + RenderTitle();
return anchor.ToString(TagRenderMode.Normal);
}
protected virtual string RenderIcon()
{
if (!string.IsNullOrEmpty(Icon))
{
string iconPath = (IconDirectory ?? "") + Icon;
CleanTagBuilder icon = new CleanTagBuilder("img");
icon.Attributes["border"] = "0";
icon.Attributes["src"] = iconPath;
icon.Attributes["alt"] = Title;
icon.AddCssClass(IconClass);
return icon.ToString(TagRenderMode.SelfClosing);
}
return string.Empty;
}
protected virtual string RenderIcon()
{
if (!string.IsNullOrEmpty(Icon))
{
string iconPath = (IconDirectory ?? "") + Icon;
CleanTagBuilder icon = new CleanTagBuilder("img");
icon.Attributes["border"] = "0";
icon.Attributes["src"] = iconPath;
icon.Attributes["alt"] = Title;
icon.AddCssClass(IconClass);
return(icon.ToString(TagRenderMode.SelfClosing));
}
return(string.Empty);
}
protected virtual string RenderItems()
{
if (items.Count <= 0)
{
return(string.Empty);
}
CleanTagBuilder ul = new CleanTagBuilder("ul");
ul.AddCssClass(ListClass);
foreach (var menuBase in items)
{
ul.InnerHtml += menuBase.RenderHtml();
}
return(ul.ToString(TagRenderMode.Normal));
}
/// <summary>
/// Used internally to render the menu. Do not call this directly without first calling Prepare, or call RenderHtml(RequestContext ...)
/// </summary>
public virtual string RenderHtml()
{
if (!Prepared)
{
throw new InvalidOperationException("Must call Prepare before RenderHtml() or call RenderHtml(RequestContext, TextWriter)");
}
if (HideItem)
{
return(string.Empty);
}
CleanTagBuilder li = new CleanTagBuilder("li");
li.AddCssClass(ItemClass);
li.InnerHtml = RenderLink();
return(li.ToString(TagRenderMode.Normal));
}
protected virtual string RenderLink()
{
CleanTagBuilder anchor = new CleanTagBuilder("a");
if (ItemDisabled)
{
anchor.AddCssClass(DisabledClass);
}
else
{
anchor.Attributes["href"] = ActionUrl;
}
if (IsItemSelected())
{
anchor.AddCssClass(SelectedClass);
}
anchor.Attributes["title"] = HelpText;
anchor.InnerHtml += RenderIcon() + RenderTitle();
return(anchor.ToString(TagRenderMode.Normal));
}
public override string RenderHtml()
{
if (!Prepared)
{
throw new InvalidOperationException("Must call Prepare before RenderHtml(TextWriter) or call RenderHtml(RequestContext, TextWriter)");
}
if (HideItem)
{
return(string.Empty);
}
if (!IsRootList && HasSingleRenderableItem())
{
return(items[0].RenderHtml()); //if there is only one item, don't render this menu instead skip to the item
}
if (IsRootList)
{
return(RenderItems());
}
CleanTagBuilder li = new CleanTagBuilder("li");
li.AddCssClass(ItemClass);
li.InnerHtml = RenderLink() + RenderItems();
return(li.ToString(TagRenderMode.Normal));
}
/// <summary>
/// Used internally to render the menu. Do not call this directly without first calling Prepare, or call RenderHtml(RequestContext ...)
/// </summary>
public virtual string RenderHtml()
{
if (!Prepared)
throw new InvalidOperationException("Must call Prepare before RenderHtml() or call RenderHtml(RequestContext, TextWriter)");
if (HideItem)
return string.Empty;
CleanTagBuilder li = new CleanTagBuilder("li");
li.AddCssClass(ItemClass);
li.InnerHtml = RenderLink();
return li.ToString(TagRenderMode.Normal);
}