public static string GetThumbLink(string imagePath, ThumbSizeEnum thumbSize, bool includeMediaDomain = true)
{
string subPath = "";
if (imagePath != null)
{
if (imagePath.StartsWith("~/"))
{
// subPath = imagePath.Substring(1, imagePath.LastIndexOf("/"));
subPath = imagePath.Substring(1, imagePath.Length - 1);
}
else
{
// subPath = imagePath.Substring(0, imagePath.LastIndexOf("/"));
subPath = imagePath;
}
}
string currentPath = "/Thumbnail/" + thumbSize.ToString() + subPath;
if (includeMediaDomain)
{
currentPath = EngineContext.Current.FalconConfig.MediaDomainName + currentPath;
}
return(currentPath);
}
/// <summary>
/// Tạo Link Image với ảnh thumb
/// </summary>
/// <param name="htmlHelper"></param>
/// <param name="thumbSize"></param>
/// <param name="imgSrc"></param>
/// <param name="alt"></param>
/// <param name="actionName"></param>
/// <param name="controllerName"></param>
/// <param name="routeValues"></param>
/// <param name="htmlAttributes"></param>
/// <param name="imgHtmlAttributes"></param>
/// <returns></returns>
public static MvcHtmlString ImageActionLink(this HtmlHelper htmlHelper, ThumbSizeEnum thumbSize, string imgSrc, string alt, string actionName, string controllerName, object routeValues = null, object htmlAttributes = null, object imgHtmlAttributes = null, bool lazyload = false)
{
object imgAtt;
if (imgHtmlAttributes == null)
{
imgAtt = new { alt = alt };
}
else
{
imgAtt = imgHtmlAttributes;
}
imgSrc = ThumbnailExtensions.Thumbnail(htmlHelper, thumbSize, imgSrc, alt, alt, imgAtt, true, lazyload).ToString();
UrlHelper urlHelper = ((Controller)htmlHelper.ViewContext.Controller).Url;
//TagBuilder imgTag = new TagBuilder("img");
//imgTag.MergeAttribute("src", imgSrc);
//imgTag.MergeAttributes((IDictionary<string, string>)imgHtmlAttributes, true);
string url = urlHelper.Action(actionName, controllerName, routeValues);
TagBuilder imglink = new TagBuilder("a");
imglink.MergeAttribute("href", url);
imglink.InnerHtml = imgSrc;
//imglink.MergeAttributes((IDictionary<string, string>)htmlAttributes, true);
imglink.MergeAttributes(new RouteValueDictionary(htmlAttributes));
return(MvcHtmlString.Create(imglink.ToString()));
}
public static MvcHtmlString ImageActionLink(this HtmlHelper htmlHelper, ThumbSizeEnum thumbSize, string imgSrc, string alt, object htmlAttributes = null, object imgHtmlAttributes = null)
{
string path = "";
if (imgSrc != null)
{
if (imgSrc.StartsWith("~/"))
{
path = imgSrc.Substring(1);
}
else
{
path = imgSrc;
}
}
imgSrc = ThumbnailExtensions.Thumbnail(htmlHelper, thumbSize, imgSrc, alt, alt, imgHtmlAttributes, true, false).ToString();
string url = path;
TagBuilder imglink = new TagBuilder("a");
imglink.MergeAttribute("href", url);
imglink.InnerHtml = imgSrc;
// imglink.MergeAttributes((IDictionary<string, string>)htmlAttributes, true);
imglink.MergeAttributes(new RouteValueDictionary(htmlAttributes));
return(MvcHtmlString.Create(imglink.ToString()));
}
public static MvcHtmlString Thumbnail(this HtmlHelper helper, ThumbSizeEnum thumbSize, string imagePath, string imageAlt = "", string imageTitle = "", object htmlAttributes = null, bool includeMediaDomain = true, bool lazyload = false, bool cache = false)
{
if (string.IsNullOrEmpty(imagePath))
{
return(MvcHtmlString.Create(string.Empty));
}
string currentPath = Util.GetThumbLink(imagePath, thumbSize, includeMediaDomain);
var img = new TagBuilder("img");
var noscript = new TagBuilder("noscript");
if (lazyload == true)
{
img.MergeAttribute("class", "lazyload");
img.MergeAttribute("src", "/Themes/Portal/Default/Images/bg_lazyload_140.gif");
img.MergeAttribute("data-original", currentPath);
noscript.InnerHtml = "<img src='" + currentPath + "'/>";
}
else
{
img.MergeAttribute("src", currentPath);
}
if (!string.IsNullOrEmpty(imageAlt))
{
img.MergeAttribute("alt", imageAlt);
}
if (!string.IsNullOrEmpty(imageTitle))
{
img.MergeAttribute("title", imageTitle);
}
img.MergeAttributes(new RouteValueDictionary(htmlAttributes));
var c = cache ? 1 : 0;
var onerror = string.Format("/Thumbnail.ashx?i={0}&s={1}&c={2}", imagePath, GetImageSize(thumbSize), c);
if (lazyload)
{
img.MergeAttribute("data-onerror", onerror);
}
else
{
img.MergeAttribute("onerror", "this.src='" + onerror + "'");
}
if (lazyload)
{
return(MvcHtmlString.Create(img.ToString(TagRenderMode.SelfClosing) + noscript.ToString()));
}
else
{
return(MvcHtmlString.Create(img.ToString(TagRenderMode.SelfClosing)));
}
}
public static string GetImageSize(ThumbSizeEnum size)
{
switch (size)
{
case ThumbSizeEnum.Small: return("s");
case ThumbSizeEnum.Medium: return("m");
case ThumbSizeEnum.Large: return("l");
case ThumbSizeEnum.ExtraLarge: return("xl");
default: return("s");
}
}
public bool CreateThumnail(ThumbSizeEnum thumbSize, string imagePath)
{
try
{
if (string.IsNullOrEmpty(imagePath))
{
return(false);
}
if (File.Exists(HttpContext.Current.Server.MapPath(imagePath)))
{
string subPath;
if (!imagePath.StartsWith("~/"))
{
imagePath = "~" + imagePath;
}
subPath = imagePath.Substring(1, imagePath.LastIndexOf("/"));
string savePath = "~/Thumbnail/" + thumbSize.ToString() + subPath;
if (!Directory.Exists(HttpContext.Current.Server.MapPath(savePath)))
{
Directory.CreateDirectory(HttpContext.Current.Server.MapPath(savePath));
}
savePath += imagePath.Substring(imagePath.LastIndexOf("/"));
ThumbnailSetting setting = _thumbService.GetByThumbSize(thumbSize);
if (setting == null)
{
return(false);
}
return(CreateImage(imagePath, setting.Width, setting.Height, savePath));
}
return(false);
}
catch (Exception ex)
{
return(false);
}
}
private void ReturnDefaultImage(HttpContext context)
{
string size = context.Request.QueryString["s"];
if (!String.IsNullOrEmpty(size))
{
ThumbSizeEnum thumbSize = GetThumbSize(size);
if (thumbSize == ThumbSizeEnum.Small)
{
context.Response.ContentType = "image/png";
context.Response.WriteFile(context.Server.MapPath("~/Content/logo_64_64.png"));
}
else if (thumbSize == ThumbSizeEnum.Medium)
{
context.Response.ContentType = "image/png";
context.Response.WriteFile(context.Server.MapPath("~/Content/logo_64_64.png"));
}
else if (thumbSize == ThumbSizeEnum.Large)
{
context.Response.ContentType = "image/png";
context.Response.WriteFile(context.Server.MapPath("~/Content/logo_64_64.png"));
}
else if (thumbSize == ThumbSizeEnum.ExtraLarge)
{
context.Response.ContentType = "image/png";
context.Response.WriteFile(context.Server.MapPath("~/Content/logo_340_300.png"));
}
else if (thumbSize == ThumbSizeEnum.Pinterest)
{
context.Response.ContentType = "image/png";
context.Response.WriteFile(context.Server.MapPath("~/Content/logo_214.png"));
}
}
else
{
context.Response.ContentType = "image/png";
context.Response.WriteFile(context.Server.MapPath("~/Content/logo_64_64.png"));
}
}
public void ProcessRequest(HttpContext context)
{
string image = context.Request.QueryString["i"];
string size = context.Request.QueryString["s"];
var cache = String.Equals(context.Request.QueryString["c"], "1");
if (!string.IsNullOrEmpty(image) && image.StartsWith("http") == false)
{
ThumbSizeEnum thumbSize = GetThumbSize(size);
string subPath;
if (image.StartsWith("~/"))
{
subPath = image.Substring(1);
}
else
{
subPath = image;
}
string currentPath = "~/Thumbnail/" + thumbSize.ToString() + subPath;
try
{
currentPath = context.Server.MapPath(currentPath);
if (File.Exists(context.Server.MapPath(image)))
{
if (cache && File.Exists(currentPath))
{
OutputCacheResponse(context, File.GetLastWriteTime(currentPath));
context.Response.ContentType = "image/jpg";
context.Response.WriteFile(currentPath);
}
else
{
var thumbnail = new Falcon.Services.Thumbnails.Thumbnail(EngineContext.Current.Resolve <IThumbnailSettingService>());
bool saveSuccess = thumbnail.CreateThumnail(thumbSize, image);
// Tạo luôn tat cả kích cỡ
thumbnail.CreateAllThumbnails(image);
if (saveSuccess && File.Exists(currentPath))
{
context.Response.ContentType = "image/jpg";
context.Response.WriteFile(currentPath);
}
else
{
ReturnDefaultImage(context);
}
}
}
else
{
ReturnDefaultImage(context);
}
}
catch
{
ReturnDefaultImage(context);
}
}
else
{
ReturnDefaultImage(context);
}
}
public static MvcHtmlString ImageActionLinkPromotion(this HtmlHelper htmlHelper, ThumbSizeEnum thumbSize, string imgSrc, string alt, string actionName, string controllerName, int PromotionRate, object routeValues = null, object htmlAttributes = null, object imgHtmlAttributes = null)
{
imgSrc = ThumbnailExtensions.Thumbnail(htmlHelper, thumbSize, imgSrc, alt, alt, imgHtmlAttributes).ToString();
UrlHelper urlHelper = ((Controller)htmlHelper.ViewContext.Controller).Url;
string url = urlHelper.Action(actionName, controllerName, routeValues);
TagBuilder tagDivRoot = new TagBuilder("div");
tagDivRoot.MergeAttribute("class", "image_sale");
TagBuilder imglink = new TagBuilder("a");
imglink.MergeAttribute("href", url);
//imglink.InnerHtml = imgSrc.ToString();
TagBuilder tagDiv = new TagBuilder("div");
if (PromotionRate >= 40)
{
tagDiv.MergeAttribute("class", "sale_off_hot");
}
else
{
tagDiv.MergeAttribute("class", "sale_off");
}
tagDiv.InnerHtml = "-" + PromotionRate.ToString() + "%";
imglink.InnerHtml = imgSrc.ToString();
imglink.MergeAttributes(new RouteValueDictionary(htmlAttributes));
tagDivRoot.InnerHtml += imglink.ToString();
tagDivRoot.InnerHtml += tagDiv.ToString();
return(MvcHtmlString.Create(tagDivRoot.ToString()));
}
public ThumbnailSetting GetByThumbSize(ThumbSizeEnum thumbSize)
{
return(_thumbnailsettingRepository.Table.SingleOrDefault(c => c.ThumbSize == thumbSize.ToString()));
}
public static MvcHtmlString ThumbnailUrl(this HtmlHelper helper, string imagePath, ThumbSizeEnum thumbSize, bool includeMediaDomain = true)
{
return(MvcHtmlString.Create(Util.GetThumbLink(imagePath, thumbSize, includeMediaDomain)));
}
public static MvcHtmlString Thumbnail(this HtmlHelper helper, ThumbSizeEnum thumbSize, string imagePath, object htmlAttributes = null, bool includeMediaDomain = true, bool lazyload = false, bool cache = false)
{
return(Thumbnail(helper, thumbSize, imagePath, "", "", htmlAttributes, includeMediaDomain, lazyload, cache));
}
