public bool ActivateFor(Row row)
{
if (ReferenceEquals(null, Target))
return false;
attr = Target.GetAttribute<ImageUploadEditorAttribute>();
if (attr == null || attr.DisableDefaultBehavior || attr.EditorType != "MultipleImageUpload")
return false;
if (!(Target is StringField))
throw new ArgumentException(String.Format(
"Field '{0}' on row type '{1}' has a UploadEditor attribute but it is not a String field!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
if (!(row is IIdRow))
throw new ArgumentException(String.Format(
"Field '{0}' on row type '{1}' has a UploadEditor attribute but Row type doesn't implement IIdRow!",
Target.PropertyName ?? Target.Name, row.GetType().FullName));
var format = attr.FilenameFormat;
if (format == null)
{
format = row.GetType().Name;
if (format.EndsWith("Row"))
format = format.Substring(0, format.Length - 3);
format += "/~";
}
this.fileNameFormat = format.Replace("~", SplittedFormat);
this.uploadHelper = new UploadHelper((attr.SubFolder.IsEmptyOrNull() ? "" : (attr.SubFolder + "/")) + (this.fileNameFormat));
return true;
}
private string CopyTemporaryFiles(ISaveRequestHandler handler,
UploadedFile[] oldFileList, UploadedFile[] newFileList, FilesToDelete filesToDelete)
{
foreach (var file in newFileList)
{
var filename = file.Filename.Trim();
if (oldFileList.Any(x => String.Compare(x.Filename.Trim(), filename, StringComparison.OrdinalIgnoreCase) == 0))
continue;
if (!filename.ToLowerInvariant().StartsWith("temporary/"))
throw new InvalidOperationException("For security reasons, only temporary files can be used in uploads!");
var uploadHelper = new UploadHelper((subFolder.IsEmptyOrNull() ? "" : (subFolder + "/")) + fileNameFormat);
var copyResult = uploadHelper.CopyTemporaryFile(filename, ((IIdRow)handler.Row).IdField[handler.Row].Value, filesToDelete);
if (subFolder != null && !this.storeSubFolderInDB)
copyResult.DbFileName = copyResult.DbFileName.Substring(subFolder.Length + 1);
file.Filename = copyResult.DbFileName;
}
return JSON.Stringify(newFileList);
}
private CopyTemporaryFileResult CopyTemporaryFile(ISaveRequestHandler handler)
{
var filename = (StringField)(handler.Row.FindField(this.fileNameField) ?? handler.Row.FindFieldByPropertyName(fileNameField));
var newFilename = filename[handler.Row] = filename[handler.Row].TrimToNull();
var uploadHelper = new UploadHelper((subFolder.IsEmptyOrNull() ? "" : (subFolder + "/")) + fileNameFormat);
var copyResult = uploadHelper.CopyTemporaryFile(newFilename, ((IIdRow)handler.Row).IdField[handler.Row].Value, filesToDelete);
if (subFolder != null && !this.storeSubFolderInDB)
copyResult.DbFileName = copyResult.DbFileName.Substring(subFolder.Length + 1);
return copyResult;
}
