/// <summary>
///
/// </summary>
/// <param name="htmlContainer">the container of the html to handle load stylesheet for</param>
/// <param name="src">the source of the element to load the stylesheet by</param>
/// <param name="attributes">the attributes of the link element</param>
public static string LoadStylesheet(HtmlContainer htmlContainer, string src, Dictionary<string, string> attributes)
{
ArgChecker.AssertArgNotNull(htmlContainer, "htmlContainer");
try
{
var args = new HtmlStylesheetLoadEventArgs(src, attributes);
htmlContainer.RaiseHtmlStylesheetLoadEvent(args);
if(args.SetStyleSheet != null)
{
return args.SetStyleSheet;
}
else if(args.SetSrc != null)
{
return LoadStylesheet(htmlContainer, args.SetSrc);
}
else
{
return LoadStylesheet(htmlContainer, src);
}
}
catch (Exception ex)
{
htmlContainer.ReportError(HtmlRenderErrorType.CssParsing, "Exception in handling stylesheet source", ex);
return string.Empty;
}
}
/// <summary>
///
/// </summary>
/// <param name="htmlContainer">the container of the html to handle load stylesheet for</param>
/// <param name="src">the source of the element to load the stylesheet by</param>
/// <param name="attributes">the attributes of the link element</param>
public static string LoadStylesheet(HtmlContainer htmlContainer, string src, Dictionary <string, string> attributes)
{
ArgChecker.AssertArgNotNull(htmlContainer, "htmlContainer");
try
{
var args = new HtmlStylesheetLoadEventArgs(src, attributes);
htmlContainer.RaiseHtmlStylesheetLoadEvent(args);
if (args.SetStyleSheet != null)
{
return(args.SetStyleSheet);
}
else if (args.SetSrc != null)
{
return(LoadStylesheet(htmlContainer, args.SetSrc));
}
else
{
return(LoadStylesheet(htmlContainer, src));
}
}
catch (Exception ex)
{
htmlContainer.ReportError(HtmlRenderErrorType.CssParsing, "Exception in handling stylesheet source", ex);
return(string.Empty);
}
}
/// <summary>
/// Load stylesheet data from the given source.<br/>
/// The source can be local file or web URI.<br/>
/// First raise <see cref="HtmlStylesheetLoadEventArgs"/> event to allow the client to overwrite the stylesheet loading.<br/>
/// If the stylesheet is downloaded from URI we will try to correct local URIs to absolute.<br/>
/// </summary>
/// <param name="htmlContainer">the container of the html to handle load stylesheet for</param>
/// <param name="src">the source of the element to load the stylesheet by</param>
/// <param name="attributes">the attributes of the link element</param>
/// <param name="stylesheet">return the stylesheet string that has been loaded (null if failed or <paramref name="stylesheetData"/> is given)</param>
/// <param name="stylesheetData">return stylesheet data object that was provided by overwrite (null if failed or <paramref name="stylesheet"/> is given)</param>
public static void LoadStylesheet(HtmlContainer htmlContainer, string src, Dictionary <string, string> attributes, out string stylesheet, out CssData stylesheetData)
{
ArgChecker.AssertArgNotNull(htmlContainer, "htmlContainer");
stylesheet = null;
stylesheetData = null;
try
{
var args = new HtmlStylesheetLoadEventArgs(src, attributes);
htmlContainer.RaiseHtmlStylesheetLoadEvent(args);
if (!string.IsNullOrEmpty(args.SetStyleSheet))
{
stylesheet = args.SetStyleSheet;
}
else if (args.SetStyleSheetData != null)
{
stylesheetData = args.SetStyleSheetData;
}
else if (args.SetSrc != null)
{
stylesheet = LoadStylesheet(htmlContainer, args.SetSrc);
}
else
{
stylesheet = LoadStylesheet(htmlContainer, src);
}
}
catch (Exception ex)
{
htmlContainer.ReportError(HtmlRenderErrorType.CssParsing, "Exception in handling stylesheet source", ex);
}
}