// 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());
        }
Esempio n. 3
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 /// <summary>
 /// Returns null if the file is null, the file is not an image, or there is no thumbnail resource info creator.
 /// </summary>
 internal static Control GetThumbnailControl(BlobFile file, Func <decimal, ResourceInfo> thumbnailResourceInfoCreator)
 {
     // NOTE: We'd like to check here whether the file is a renderable image or not. But we can't because we don't have the file contents.
     // So, we'll have to make sure that all ThumbnailPageInfoCreators provide a page that knows how to handle NEF files (ideally we'd want
     // it to behave as if there was no thumbnail at all if there is an unrenderable image file).
     // The only alternative to this that I can think of is creating a new file table field called "IsRenderable" that we store when
     // we first save the image.
     if (file == null || !ContentTypes.IsImageType(file.ContentType) || thumbnailResourceInfoCreator == null)
     {
         return(null);
     }
     return(new EwfImage(thumbnailResourceInfoCreator(file.FileId).GetUrl())
     {
         SizesToAvailableWidth = true
     });
 }