/// <summary>Writes an image html to the given writer.</summary>
/// <param name="item">The item containing the data.</param>
/// <param name="detailName">The name of the property to write.</param>
/// <param name="writer">The writer to write to.</param>
public static void WriteImage(ContentItem item, string detailName, string preferredSize, string alt, string cssClass, System.IO.TextWriter writer)
{
string imageUrl = item[detailName] as string;
if (string.IsNullOrEmpty(imageUrl))
{
return;
}
TagBuilder tb = new TagBuilder("img");
bool preferredSizeExists;
tb.Attributes["src"] = ImagesUtility.GetExistingImagePath(imageUrl, preferredSize, out preferredSizeExists);
tb.Attributes["alt"] = item.GetDetail(detailName + "_AlternateText", alt);
cssClass = item.GetDetail(detailName + "_CssClass", cssClass);
if (preferredSizeExists)
{
if (string.IsNullOrEmpty(cssClass))
{
cssClass = preferredSize;
}
else
{
cssClass += " " + preferredSize;
}
}
if (!string.IsNullOrEmpty(cssClass))
{
tb.AddCssClass(cssClass);
}
writer.Write(tb.ToString(TagRenderMode.SelfClosing));
}
private void LoadSizes()
{
var imageConfig = Engine.Resolve <EditSection>().Images;
string baseImagePath, imageSize;
ImagesUtility.SplitImageAndSize(Selection.SelectedItem.Url, imageConfig.Sizes.GetSizeNames(), out baseImagePath, out imageSize);
foreach (var size in imageConfig.Sizes.AllElements.Where(s => s.Announced))
{
var hl = new HyperLink();
hl.ID = size.Name + "Size";
bool exists;
var path = ImagesUtility.GetExistingImagePath(Engine.Resolve <IFileSystem>(), baseImagePath, size.Name, out exists);
if (exists)
{
var file = (SelectedFile.Parent as File) ?? SelectedFile;
hl.NavigateUrl = "File.aspx?selected=" + file.GetChild(VirtualPathUtility.GetFileName(path)).Path;
hl.Text = Utility.GetResourceString("ImageSizes", size.Name + ".Text") ?? (string.IsNullOrEmpty(size.Description) ? size.Name : size.Description);
hl.Text += GetSizeText(size.Width, size.Height);
hl.CssClass = "command";
if (path == Selection.SelectedItem.Url)
{
omSizes.Controls.AddAt(0, hl);
}
else
{
omSizes.Controls.Add(hl);
}
}
}
omSizes.Visible = omSizes.Controls.Count > 1;
}
public static string WriteImage(string imageUrl, System.IO.TextWriter writer, string preferredSize = null, string cssClass = null, string alt = null)
{
TagBuilder tb = new TagBuilder("img");
bool preferredSizeExists;
tb.Attributes["src"] = Url.ToAbsolute(ImagesUtility.GetExistingImagePath(imageUrl, preferredSize, out preferredSizeExists));
tb.Attributes["alt"] = alt;
if (preferredSizeExists)
{
if (string.IsNullOrEmpty(cssClass))
{
cssClass = preferredSize;
}
else
{
cssClass += " " + preferredSize;
}
}
if (!string.IsNullOrEmpty(cssClass))
{
tb.AddCssClass(cssClass);
}
writer.Write(tb.ToString(TagRenderMode.SelfClosing));
return(cssClass);
}
/// <summary>Adds an image control to the container.</summary>
/// <param name="container">The containing control.</param>
/// <param name="item">The item containing image informatin.</param>
/// <param name="detailName">The detail name on the item.</param>
/// <param name="cssClass">The css class to applky to the image element.</param>
/// <param name="altText">Alt alternative text to apply to the image element.</param>
/// <returns>An image control.</returns>
public static Control AddImage(Control container, ContentItem item, string detailName, string preferredSize, string cssClass, string altText)
{
string imageUrl = item[detailName] as string;
if (!string.IsNullOrEmpty(imageUrl))
{
Image image = new Image();
image.ImageUrl = ImagesUtility.GetExistingImagePath(imageUrl, preferredSize);
image.AlternateText = item.GetDetail(detailName + "_AlternateText", altText);
image.CssClass = item.GetDetail(detailName + "_CssClass", cssClass);
container.Controls.Add(image);
return(image);
}
return(null);
}
public static void WriteImage(string imageUrl, System.IO.TextWriter writer, IEnumerable <string> preferredSizes = null, string cssClass = null, string alt = null)
{
TagBuilder tb = new TagBuilder("img");
bool preferredSizeExists = false;
string preferredSize = null;
if (preferredSizes != null)
{
foreach (var size in preferredSizes)
{
var sizeUrl = ImagesUtility.GetExistingImagePath(imageUrl, size, out preferredSizeExists);
if (!preferredSizeExists)
{
continue;
}
preferredSize = size;
imageUrl = sizeUrl;
break;
}
}
tb.Attributes["src"] = Url.ToAbsolute(imageUrl);
tb.Attributes["alt"] = alt;
if (preferredSizeExists)
{
if (string.IsNullOrEmpty(cssClass))
{
cssClass = preferredSize;
}
else
{
cssClass += " " + preferredSize;
}
}
if (!string.IsNullOrEmpty(cssClass))
{
tb.AddCssClass(cssClass);
}
writer.Write(tb.ToString(TagRenderMode.SelfClosing));
}
public virtual string GetThumbnailImageUrl()
{
return(ImagesUtility.GetExistingImagePath(Fs, ImageUrl, "thumb"));
}
public virtual string GetResizedImageUrl()
{
return(ImagesUtility.GetExistingImagePath(Fs, ImageUrl, "wide"));
}
