protected override LocalizedImageData RetrieveImage(string key)
{
Hashtable imageData = GetImages();
if (imageData[key] == null)
{
imageData[key] = new LocalizedImageData(0, 0, string.Empty);
#if DEBUG
//throw new ApplicationException("Resource value not found for key: " + key);
#endif
}
return((LocalizedImageData)imageData[key]);
}
private Hashtable LoadImages(string defaultCulture, string currentCulture)
{
SqlConnection connection = null;
SqlCommand command = null;
SqlDataReader reader = null;
Hashtable resources = new Hashtable();
try
{
connection = new SqlConnection(connectionString);
command = new SqlCommand("LoadImages", connection);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add("@DefaultCulture", SqlDbType.Char, 5).Value = defaultCulture;
command.Parameters.Add("@CurrentCulture", SqlDbType.Char, 5).Value = currentCulture;
connection.Open();
reader = command.ExecuteReader(CommandBehavior.SingleResult);
int nameOrdinal = reader.GetOrdinal("Name");
int heightOrdinal = reader.GetOrdinal("Height");
int widthOrdinal = reader.GetOrdinal("Width");
int altOrdinal = reader.GetOrdinal("Alt");
while (reader.Read())
{
LocalizedImageData data = new LocalizedImageData();
data.Height = reader.GetInt32(heightOrdinal);
data.Width = reader.GetInt32(widthOrdinal);
data.Alt = reader.GetString(altOrdinal);
resources.Add(reader.GetString(nameOrdinal), data);
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
if (command != null)
{
command.Dispose();
}
if (reader != null && !reader.IsClosed)
{
reader.Close();
}
}
return(resources);
}
protected override void Render(HtmlTextWriter writer)
{
LocalizedImageData data = ResourceManager.GetImage(key);
if (data != null)
{
base.Src = string.Format(imageUrlFormat, LocalizationConfiguration.GetConfig().ImagePath, ResourceManager.CurrentCultureName, base.Src);
base.Width = data.Width;
base.Height = data.Height;
base.Alt = data.Alt;
}
if (colon)
{
base.Alt += ResourceManager.Colon;
}
base.Render(writer);
}
private void LoadImage(Hashtable resource, string culture, string cacheKey)
{
string file = string.Format("{0}\\{1}\\Images.xml", fileName, culture);
XmlDocument xml = new XmlDocument();
xml.Load(file);
foreach (XmlNode n in xml.SelectSingleNode("Images"))
{
if (n.NodeType != XmlNodeType.Comment)
{
LocalizedImageData data = new LocalizedImageData();
data.Alt = n.InnerText;
data.Height = Convert.ToInt32(n.Attributes["height"].Value);
data.Width = Convert.ToInt32(n.Attributes["width"].Value);
resource[n.Attributes["name"].Value] = data;
}
}
HttpRuntime.Cache.Insert(cacheKey, resource, new CacheDependency(file), DateTime.MaxValue, TimeSpan.Zero);
}
