// 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());
}
/// <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
});
}