/// <inheritdoc />
public static ImageViewModel GetRelatedImage(DynamicContent item, string fieldName)
{
if (item == null)
throw new ArgumentNullException("item", "Item cannot be null");
if (String.IsNullOrEmpty(fieldName))
throw new ArgumentException(message: "Value cannot be null or empty", paramName: "fieldName");
ImageViewModel imageModel = new ImageViewModel();
var image = item.GetRelatedItems<Image>(fieldName).FirstOrDefault();
if (image != null)
{
imageModel.Title = image.Title;
imageModel.ThumbnailUrl = image.GetDefaultUrl();
imageModel.ImageUrl = image.MediaUrl;
imageModel.AlternativeText = image.AlternativeText;
}
return imageModel;
}
/// <summary>
/// Renders the image.
/// </summary>
/// <param name="helper">The helper.</param>
/// <param name="image">The image.</param>
/// <param name="className">Name of the class.</param>
/// <param name="height">The height.</param>
/// <param name="width">The width.</param>
/// <returns>Html helper for image</returns>
public static IHtmlString RenderImage(this HtmlHelper helper, ImageViewModel image, string className = "", string height = "", string width = "")
{
if (image == null)
{
var libManager = LibrariesManager.GetManager();
var libImage = libManager.GetImages().Where(i => i.Title == ConfigurationManager.AppSettings["defaultImageTitle"]).First();
image = new ImageViewModel
{
ImageUrl = libImage.MediaUrl,
AlternativeText = libImage.AlternativeText
};
}
return new HtmlString(string.Format(
"<img src=\"{0}\" alt=\"{1}\" class=\"{2}\" heigth=\"{3}\" width=\"{4}\" />",
image.ImageUrl,
image.AlternativeText,
className,
height,
width
));
}