/// <summary>
/// Will expand the input into the appropriate content based on scope.
/// </summary>
/// <param name="scopeName">The scope name.</param>
/// <param name="input">The input to be expanded.</param>
/// <param name="htmlEncode">Function that will html encode the output.</param>
/// <param name="attributeEncode">Function that will html attribute encode the output.</param>
/// <returns>The expanded content.</returns>
protected override string PerformExpand(string scopeName, string input, Func <string, string> htmlEncode, Func <string, string> attributeEncode)
{
if (scopeName == ScopeName.InvalidVideo)
{
throw new ArgumentException("Invalid video type.", "type");
}
string[] parameters = input.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
string url = Parameters.ExtractUrl(parameters);
WikiPlex.Legacy.HorizontalAlign align = Parameters.ExtractAlign(parameters, WikiPlex.Legacy.HorizontalAlign.Center);
IVideoRenderer videoRenderer = GetVideoRenderer(scopeName);
videoRenderer.Dimensions = Parameters.ExtractDimensions(parameters, 285, 320);
var content = new StringBuilder();
using (var tw = new StringWriter(content))
using (var writer = new WikiPlex.Legacy.HtmlTextWriter(tw, string.Empty))
{
writer.NewLine = string.Empty;
writer.AddAttribute(WikiPlex.Legacy.HtmlTextWriterAttribute.Class, "video");
writer.AddAttribute(WikiPlex.Legacy.HtmlTextWriterAttribute.Style, string.Format("text-align:{0}", align));
writer.RenderBeginTag(WikiPlex.Legacy.HtmlTextWriterTag.Div);
writer.AddAttribute(WikiPlex.Legacy.HtmlTextWriterAttribute.Class, "player");
writer.RenderBeginTag(WikiPlex.Legacy.HtmlTextWriterTag.Span);
videoRenderer.Render(url, writer);
writer.RenderEndTag(); // </span>
writer.Write("<br />");
writer.AddAttribute(WikiPlex.Legacy.HtmlTextWriterAttribute.Class, "external");
writer.RenderBeginTag(WikiPlex.Legacy.HtmlTextWriterTag.Span);
writer.AddAttribute(WikiPlex.Legacy.HtmlTextWriterAttribute.Href, url);
writer.AddAttribute(WikiPlex.Legacy.HtmlTextWriterAttribute.Target, "_blank");
writer.RenderBeginTag(WikiPlex.Legacy.HtmlTextWriterTag.A);
writer.Write("Launch in another window");
writer.RenderEndTag();
writer.RenderEndTag();
writer.RenderEndTag(); // </div>
}
return(content.ToString());
}
/// <summary>
/// This will extract the horizontal alignment parameter.
/// </summary>
/// <param name="parameters">The collection of parameters.</param>
/// <param name="defaultValue">The default value.</param>
/// <returns>The <see cref="HorizontalAlign"/> value.</returns>
/// <exception cref="ArgumentException">
/// Thrown if the alignment value is not a valid enum value.
///
/// -- or --
///
/// Thrown if the alignment is not Center, Left, or Right
/// </exception>
public static WikiPlex.Legacy.HorizontalAlign ExtractAlign(System.Collections.Generic.ICollection <string> parameters, WikiPlex.Legacy.HorizontalAlign defaultValue)
{
string align;
if (!TryGetValue(parameters, "align", out align))
{
return(defaultValue);
}
if (!Utility.IsDefinedOnEnum <WikiPlex.Legacy.HorizontalAlign>(align))
{
throw new System.ArgumentException("Invalid parameter.", "align");
}
var alignment = (WikiPlex.Legacy.HorizontalAlign)System.Enum.Parse(typeof(WikiPlex.Legacy.HorizontalAlign), align, true);
if (alignment != WikiPlex.Legacy.HorizontalAlign.Center && alignment != WikiPlex.Legacy.HorizontalAlign.Left && alignment != WikiPlex.Legacy.HorizontalAlign.Right)
{
throw new System.ArgumentException("Invalid parameter.", "align");
}
return(alignment);
}