public void GetStylesheetHrefPathRendersAppropriatePath(string src, string virtualDir, string skinPath, string expected)
{
UnitTestHelper.SetHttpContextWithBlogRequest("localhost", "Anything", virtualDir);
Style style = new Style();
style.Href = src;
string stylePath = StyleSheetElementCollectionRenderer.GetStylesheetHrefPath(skinPath, style);
Assert.AreEqual(stylePath, expected, "The rendered style path was not what we expected.");
}
public static bool CanStyleBeMerged(Style style)
{
if(!String.IsNullOrEmpty(style.Conditional))
{
return false;
}
if(!string.IsNullOrEmpty(style.Title))
{
return false;
}
if(IsStyleRemote(style))
{
return false;
}
return true;
}
/// <summary>
/// Gets the stylesheet href path.
/// </summary>
/// <param name="skinPath">The skin path.</param>
/// <param name="style">The style.</param>
/// <returns></returns>
public static string GetStylesheetHrefPath(string skinPath, Style style)
{
if(style.Href.StartsWith("~"))
{
return HttpHelper.ExpandTildePath(style.Href);
}
return style.Href.StartsWith("/") || style.Href.StartsWith("http://") || style.Href.StartsWith("https://")
? style.Href
: skinPath + style.Href;
}
private static string RenderStyleElement(string skinPath, Style style, string skinName, string cssRequestParam)
{
string element = string.Empty;
if(!String.IsNullOrEmpty(style.Conditional))
{
element = string.Format(CultureInfo.InvariantCulture, "<!--[{0}]>{1}", style.Conditional,
Environment.NewLine);
}
element += "<link";
if(!string.IsNullOrEmpty(style.Media) &&
!style.Media.Equals("all", StringComparison.OrdinalIgnoreCase))
{
element += RenderStyleAttribute("media", style.Media);
}
element +=
RenderStyleAttribute("type", "text/css") +
RenderStyleAttribute("rel", "stylesheet") +
RenderStyleAttribute("title", style.Title);
if(string.IsNullOrEmpty(skinName))
{
element +=
string.Format("{0} />{1}", RenderStyleAttribute("href", GetStylesheetHrefPath(skinPath, style)), Environment.NewLine);
}
else
{
element +=
string.Format("{0} />{1}", RenderStyleAttribute("href", GetStylesheetHrefPath(skinPath, style, skinName, cssRequestParam)), Environment.NewLine);
}
if(!String.IsNullOrEmpty(style.Conditional))
{
element += string.Format("<![endif]-->{0}", Environment.NewLine);
}
return element;
}
private static string RenderStyleElement(string skinPath, Style style)
{
return RenderStyleElement(skinPath, style, string.Empty, string.Empty);
}
private static bool IsStyleRemote(Style style)
{
if(style.Href.StartsWith("http://", StringComparison.OrdinalIgnoreCase) ||
style.Href.StartsWith("https://", StringComparison.OrdinalIgnoreCase))
{
return true;
}
return false;
}
private static string BuildStyleKey(Style style)
{
var keyBuilder = new StringBuilder();
if(!String.IsNullOrEmpty(style.Media) && !style.Media.Equals("all", StringComparison.OrdinalIgnoreCase))
{
keyBuilder.AppendFormat("media={0}&", style.Media);
}
if(!String.IsNullOrEmpty(style.Title))
{
keyBuilder.AppendFormat("title={0}&", style.Title);
}
if(!String.IsNullOrEmpty(style.Conditional))
{
keyBuilder.AppendFormat("conditional={0}&", HttpUtility.UrlEncode(style.Conditional));
}
string key = keyBuilder.ToString();
if(key.Length > 0)
{
return key.Substring(0, key.Length - 1);
}
return
string.Empty;
}
/// <summary>
/// Gets the stylesheet href path.
/// </summary>
/// <param name="skinName">The skin name as in the key.</param>
/// <param name="skinPath">The skin path.</param>
/// <param name="style">The style.</param>
/// <param name="cssRequestParam">The parameters used to request the css via the css handler.</param>
/// <returns></returns>
public static string GetStylesheetHrefPath(string skinPath, Style style, string skinName, string cssRequestParam)
{
if(IsStyleRemote(style))
{
return style.Href;
}
return string.Format("{0}css.axd?name={1}&{2}", skinPath, skinName, cssRequestParam);
}
public void StyleToBeMergedAreCorrectlyDetected(string conditional, string media, string title, string href,
bool canBeMerged)
{
var style = new Style();
style.Conditional = conditional;
style.Media = media;
style.Href = href;
style.Title = title;
bool isMergeable = StyleSheetElementCollectionRenderer.CanStyleBeMerged(style);
if(canBeMerged)
{
Assert.IsTrue(isMergeable, "Expected to be mergeable");
}
else
{
Assert.IsFalse(isMergeable, "Expected not to be mergeable");
}
}
private static string RenderStyleElement(string skinPath, Style style)
{
return(RenderStyleElement(skinPath, style, string.Empty, string.Empty));
}
/// <summary>
/// Gets the stylesheet href path.
/// </summary>
/// <param name="skinPath">The skin path.</param>
/// <param name="style">The style.</param>
/// <returns></returns>
public static string GetStylesheetHrefPath(string skinPath, Style style)
{
if (style.Href.StartsWith("~"))
{
return HttpHelper.ExpandTildePath(style.Href);
}
else if (IsStyleRemote(style) == true)
{
return style.Href;
}
else
{
return skinPath + style.Href;
}
}