private void validateFormValues(
Validator validator, string subject, bool requireUploadIfNoFile, Action <Validator, System.Drawing.Image> validateImage, bool mustBeImage)
{
BlobFileOps.ValidateUploadedFile(validator, uploadedFile, acceptableFileExtensions, validateImage, mustBeImage);
if (requireUploadIfNoFile && file == null && !uploadedFile.ValueChangedOnPostBack(AppRequestState.Instance.EwfPageRequestState.PostBackValues))
{
validator.NoteErrorAndAddMessage(Translation.PleaseUploadAFile + " '" + subject + "'.");
}
}
// NOTE: EVERYTHING should be done here. We shouldn't have LoadData. We should audit everyone using this control and see if we can improve things.
// NOTE: This should also be full of delegates that run when events (such as deleting a file) are occurring.
// NOTE: There should be a way to tell if a file was uploaded.
void ControlTreeDataLoader.LoadData()
{
if (fileCollectionId != null)
{
file = BlobFileOps.GetFirstFileFromCollection(fileCollectionId.Value);
}
var controlStack = ControlStack.Create(true);
if (file != null)
{
var download = new PostBackButton(
PostBack.CreateFull(
id: PostBack.GetCompositeId("ewfFile", file.FileId.ToString()),
actionGetter: () => {
// Refresh the file here in case a new one was uploaded on the same post-back.
return
(new PostBackAction(
new SecondaryResponse(new BlobFileResponse(BlobFileOps.GetFirstFileFromCollection(fileCollectionId.Value).FileId, () => true), false)));
}),
new TextActionControlStyle(Translation.DownloadExisting + " (" + file.FileName + ")"),
false);
controlStack.AddControls(download);
}
else if (!HideNoExistingFileMessage)
{
controlStack.AddControls(new Label {
Text = Translation.NoExistingFile
});
}
uploadedFile = new EwfFileUpload();
if (file != null)
{
uploadedFile.SetInitialDisplay(false);
var replaceExistingFileLink = new ToggleButton(
uploadedFile.ToSingleElementArray(),
new TextActionControlStyle(Translation.ClickHereToReplaceExistingFile))
{
AlternateText = ""
};
controlStack.AddControls(replaceExistingFileLink);
}
controlStack.AddControls(uploadedFile);
var thumbnailControl = BlobFileOps.GetThumbnailControl(file, ThumbnailResourceInfoCreator);
if (thumbnailControl != null)
{
Controls.Add(thumbnailControl);
}
Controls.Add(controlStack);
}
private void addFileRow(DynamicTable table, BlobFile file, ActionPostBack deletePb, List <Func <bool> > deleteModMethods)
{
var cells = new List <EwfTableCell>();
var thumbnailControl = BlobFileOps.GetThumbnailControl(file, ThumbnailResourceInfoCreator);
if (thumbnailControl != null)
{
cells.Add(thumbnailControl);
}
var fileIsUnread = fileIdsMarkedAsRead != null && !fileIdsMarkedAsRead.Contains(file.FileId);
cells.Add(
new PostBackButton(
PostBack.CreateFull(
id: PostBack.GetCompositeId(postBackIdBase, file.FileId.ToString()),
firstModificationMethod: () => {
if (fileIsUnread && markFileAsReadMethod != null)
{
markFileAsReadMethod(file.FileId);
}
},
actionGetter: () => new PostBackAction(new SecondaryResponse(new BlobFileResponse(file.FileId, () => true), false))),
new TextActionControlStyle(file.FileName),
false)
{
ToolTip = file.FileName
});
cells.Add(file.UploadedDate.ToDayMonthYearString(false));
cells.Add((fileIsUnread ? "New!" : "").ToCell(new TableCellSetup(classes: "ewfNewness".ToSingleElementArray())));
var delete = false;
var deleteCheckBox =
FormItem.Create(
"",
new EwfCheckBox(false, postBack: deletePb),
validationGetter: control => new EwfValidation((pbv, v) => { delete = control.IsCheckedInPostBack(pbv); }, deletePb)).ToControl();
cells.Add(ReadOnly ? null : deleteCheckBox);
deleteModMethods.Add(
() => {
if (!delete)
{
return(false);
}
BlobFileOps.SystemProvider.DeleteFile(file.FileId);
return(true);
});
table.AddRow(cells.ToArray());
}
public BlobFileManager(int?fileCollectionId)
{
this.fileCollectionId = fileCollectionId;
if (fileCollectionId != null)
{
file = BlobFileOps.GetFirstFileFromCollection(fileCollectionId.Value);
}
var controlStack = ControlStack.Create(true);
if (file != null)
{
var download = new PostBackButton(
new TextActionControlStyle(Translation.DownloadExisting + " (" + file.FileName + ")"),
usesSubmitBehavior: false,
postBack: PostBack.CreateFull(
id: PostBack.GetCompositeId("ewfFile", file.FileId.ToString()),
actionGetter: () => {
// Refresh the file here in case a new one was uploaded on the same post-back.
return
(new PostBackAction(
new SecondaryResponse(new BlobFileResponse(BlobFileOps.GetFirstFileFromCollection(fileCollectionId.Value).FileId, () => true), false)));
}));
controlStack.AddControls(download);
}
else if (!HideNoExistingFileMessage)
{
controlStack.AddControls(new Label {
Text = Translation.NoExistingFile
});
}
uploadedFile = new EwfFileUpload();
if (file != null)
{
uploadedFile.SetInitialDisplay(false);
var replaceExistingFileLink = new ToggleButton(
uploadedFile.ToCollection(),
new TextActionControlStyle(Translation.ClickHereToReplaceExistingFile),
false,
(postBackValue, validator) => { })
{
AlternateText = ""
};
controlStack.AddControls(replaceExistingFileLink);
}
controlStack.AddControls(uploadedFile);
this.AddControlsReturnThis(BlobFileOps.GetThumbnailControl(file, ThumbnailResourceInfoCreator));
Controls.Add(controlStack);
}
private ControlList getUploadControlList()
{
var dm = PostBack.CreateFull(id: PostBack.GetCompositeId(postBackIdBase, "add"));
RsFile file = null;
var fi = FormItem.Create(
"",
new EwfFileUpload(),
validationGetter: control => new EwfValidation(
(pbv, validator) => {
BlobFileOps.ValidateUploadedFile(validator, control, acceptableFileExtensions, ValidateImage, AcceptOnlyImages);
file = control.GetPostBackValue(pbv);
},
dm));
dm.AddModificationMethod(
() => {
if (file == null)
{
return;
}
var existingFile = files.SingleOrDefault(i => i.FileName == file.FileName);
int newFileId;
if (existingFile != null)
{
BlobFileOps.SystemProvider.UpdateFile(existingFile.FileId, file.FileName, file.Contents, BlobFileOps.GetContentTypeForPostedFile(file));
newFileId = existingFile.FileId;
}
else
{
newFileId = BlobFileOps.SystemProvider.InsertFile(fileCollectionId, file.FileName, file.Contents, BlobFileOps.GetContentTypeForPostedFile(file));
}
if (NewFileNotificationMethod != null)
{
NewFileNotificationMethod(newFileId);
}
EwfPage.AddStatusMessage(StatusMessageType.Info, "File uploaded successfully.");
});
return(ControlList.CreateWithControls(
true,
"Select and upload a new file:",
fi.ToControl(),
new PostBackButton(dm, new ButtonActionControlStyle("Upload new file"), false)));
}
/// <summary>
/// Call this during ModifyData. This returns the file collection ID of the existing or just-inserted file collection.
/// This will return an ID even if there are 0 files in the collection (in other words, no file). No file should always be
/// represented by a non-null file collection ID which happens to have 0 files in it. Null file collection IDs are not supported.
/// </summary>
public int ModifyData()
{
if (fileCollectionId == null)
{
fileCollectionId = BlobFileOps.SystemProvider.InsertFileCollection();
}
var rsFile = uploadedFile.GetPostBackValue(AppRequestState.Instance.EwfPageRequestState.PostBackValues);
if (rsFile != null)
{
BlobFileOps.SystemProvider.DeleteFilesLinkedToFileCollection(fileCollectionId.Value);
BlobFileOps.SystemProvider.InsertFile(fileCollectionId.Value, rsFile.FileName, rsFile.Contents, BlobFileOps.GetContentTypeForPostedFile(rsFile));
}
return(fileCollectionId.Value);
}
/// <summary>
/// Performs validate form values, but also forces the file to be an image of the specified dimensions.
/// </summary>
public void ValidateAsImage(Validator validator, string subject, bool requireUploadIfNoFile, int width, int height)
{
ValidateAsImage(validator, subject, requireUploadIfNoFile, BlobFileOps.GetWidthAndHeightImageValidationMethod(subject, width, height));
}
