public CustomSize()
{
InitializeComponent();
ProductSize = new CustomSizeModel()
{
Height = 100,
Width = 148
};
customHeight.DataBindings.Add("EditValue", ProductSize, "Height");
customWidth.DataBindings.Add("EditValue", ProductSize, "Width");
}
/// <summary>
/// Generates image width attributes as html by given image view model for object that is image.
/// </summary>
/// <param name="helper">The helper.</param>
/// <param name="model">The image view model.</param>
/// <returns>The generated image width attribute as html content.</returns>
public static string GetWidthAttributeForImage(this HtmlHelper helper, ImageViewModel model)
{
CustomSizeModel customSize = model.CustomSize;
IDataItem dataItem = model.Item.DataItem;
string thumbnailName = model.ThumbnailName;
int? thumbnailWidth = model.ThumbnailWidth;
int? thumbnailHeight = model.ThumbnailHeight;
var html = string.Empty;
var image = dataItem as Image;
if (image != null)
{
double height = image.Height;
double width = image.Width;
double originalHeight = height;
double originalWidth = width;
double widthToHeightRatio = originalWidth / originalHeight;
if (customSize != null && thumbnailName == null)
{
if (customSize.Width.HasValue && customSize.Method.Equals(CropCropArguments, StringComparison.InvariantCultureIgnoreCase))
{
width = customSize.Width.Value;
}
else if (customSize.MaxWidth.HasValue && customSize.Method.Equals(ResizeFitToAreaArguments, StringComparison.InvariantCultureIgnoreCase))
{
if (image.Height > customSize.MaxHeight.Value)
{
width = Math.Round(widthToHeightRatio * customSize.MaxHeight.Value);
}
else if (image.Width > customSize.MaxWidth.Value || image.IsVectorGraphics())
{
width = customSize.MaxWidth.Value;
}
}
}
else if (thumbnailName != null && thumbnailWidth.HasValue)
{
width = thumbnailWidth.Value;
}
if (width > 0)
{
html = string.Format(@"width={0}", width);
}
}
return(html);
}
/// <summary>
/// Generates image width attribute as html by given custom size model for object that is vector graphics.
/// </summary>
/// <param name="helper">The helper.</param>
/// <param name="customSize">The custom size model.</param>
/// <param name="dataItem">The data item represents an image object.</param>
/// <returns>The generated image width attribute as html content.</returns>
public static string GetWidthAttributeForVectorGraphics(this HtmlHelper helper, CustomSizeModel customSize, IDataItem dataItem)
{
var html = string.Empty;
if (customSize != null)
{
var image = dataItem as Image;
if (image != null && image.IsVectorGraphics())
{
if (customSize.Width.HasValue && customSize.Method.Equals(CropCropArguments, StringComparison.InvariantCultureIgnoreCase))
{
html = string.Format(@"width={0}", customSize.Width.Value);
}
else if (customSize.MaxWidth.HasValue && customSize.Method.Equals(ResizeFitToAreaArguments, StringComparison.InvariantCultureIgnoreCase))
{
html = string.Format(@"width={0}", customSize.MaxWidth.Value);
}
}
}
return(html);
}
