private void addFileRow(
string postBackIdBase, Func <int, ResourceInfo> thumbnailResourceGetter, IEnumerable <int> openedFileIds, MarkFileAsReadMethod unopenedFileOpenedNotifier,
EwfTable table, BlobFile file)
{
var cells = new List <EwfTableCell>();
var thumbnailControl = BlobManagementStatics.GetThumbnailControl(file, thumbnailResourceGetter);
if (thumbnailControl.Any())
{
cells.Add(thumbnailControl.ToCell());
}
var fileIsUnopened = openedFileIds != null && !openedFileIds.Contains(file.FileId);
cells.Add(
new EwfButton(
new StandardButtonStyle(file.FileName),
behavior: new PostBackBehavior(
postBack: PostBack.CreateFull(
id: PostBack.GetCompositeId(postBackIdBase, file.FileId.ToString()),
firstModificationMethod: () => {
if (fileIsUnopened)
{
unopenedFileOpenedNotifier?.Invoke(file.FileId);
}
},
actionGetter: () => new PostBackAction(
new PageReloadBehavior(secondaryResponse: new SecondaryResponse(new BlobFileResponse(file.FileId, () => true), false))))))
.ToCollection()
.ToCell());
cells.Add(file.UploadedDate.ToDayMonthYearString(false).ToCell());
cells.Add((fileIsUnopened ? "New!" : "").ToCell(new TableCellSetup(classes: "ewfNewness".ToCollection())));
table.AddItem(EwfTableItem.Create(cells, setup: EwfTableItemSetup.Create(id: new SpecifiedValue <int>(file.FileId))));
}
/// <summary>
/// Call this during LoadData. The markFileAsReadMethod can be used to update the app's database with an indication that the file has been seen by the user.
/// The fileIdsMarkedAsRead collection indicates which files should be not marked with a UI element drawing the user's attention to the fact that they haven't read it.
/// All other files not in this collection will be marked. FileIdsMarkedAsRead can be null, and will result as nothing being shown as new.
/// </summary>
public void LoadData(int fileCollectionId, MarkFileAsReadMethod markFileAsReadMethod, IEnumerable <int> fileIdsMarkedAsRead)
{
this.fileCollectionId = fileCollectionId;
this.markFileAsReadMethod = markFileAsReadMethod;
this.fileIdsMarkedAsRead = fileIdsMarkedAsRead;
}
/// <summary>
/// Creates a file collection manager.
/// </summary>
/// <param name="fileCollectionId"></param>
/// <param name="displaySetup"></param>
/// <param name="postBackIdBase">Do not pass null.</param>
/// <param name="sortByName"></param>
/// <param name="thumbnailResourceGetter">A function that takes a file ID and returns the corresponding thumbnail resource. Do not return null.</param>
/// <param name="openedFileIds">The file IDs that should not be marked with a UI element drawing the user’s attention to the fact that they haven’t read it.
/// All other files not in this collection will be marked. The collection can be null, and will result as nothing being shown as new.</param>
/// <param name="unopenedFileOpenedNotifier">A method that executes when an unopened file is opened. Use to update the app’s database with an indication
/// that the file has been seen by the user.</param>
/// <param name="disableModifications">Pass true if there should be no way to upload or delete files.</param>
/// <param name="uploadValidationMethod"></param>
/// <param name="fileCreatedOrReplacedNotifier">A method that executes after a file is created or replaced.</param>
/// <param name="filesDeletedNotifier">A method that executes after one or more files are deleted.</param>
public BlobFileCollectionManager(
int fileCollectionId, DisplaySetup displaySetup = null, string postBackIdBase = "", bool sortByName = false,
Func <int, ResourceInfo> thumbnailResourceGetter = null, IEnumerable <int> openedFileIds = null, MarkFileAsReadMethod unopenedFileOpenedNotifier = null,
bool disableModifications = false, Action <RsFile, Validator> uploadValidationMethod = null,
NewFileNotificationMethod fileCreatedOrReplacedNotifier = null, Action filesDeletedNotifier = null)
{
postBackIdBase = PostBack.GetCompositeId("ewfFileCollection", postBackIdBase);
var columnSetups = new List <EwfTableField>();
if (thumbnailResourceGetter != null)
{
columnSetups.Add(new EwfTableField(size: 10.ToPercentage()));
}
columnSetups.Add(new EwfTableField(classes: new ElementClass("ewfOverflowedCell")));
columnSetups.Add(new EwfTableField(size: 13.ToPercentage()));
columnSetups.Add(new EwfTableField(size: 7.ToPercentage()));
var table = EwfTable.Create(
postBackIdBase: postBackIdBase,
caption: "Files",
selectedItemActions: disableModifications
? null
: SelectedItemAction.CreateWithFullPostBackBehavior <int>(
"Delete Selected Files",
ids => {
foreach (var i in ids)
{
BlobStorageStatics.SystemProvider.DeleteFile(i);
}
filesDeletedNotifier?.Invoke();
EwfPage.AddStatusMessage(StatusMessageType.Info, "Selected files deleted successfully.");
})
.ToCollection(),
fields: columnSetups);
IReadOnlyCollection <BlobFile> files = BlobStorageStatics.SystemProvider.GetFilesLinkedToFileCollection(fileCollectionId);
files = (sortByName ? files.OrderByName() : files.OrderByUploadedDateDescending()).Materialize();
foreach (var file in files)
{
addFileRow(postBackIdBase, thumbnailResourceGetter, openedFileIds, unopenedFileOpenedNotifier, table, file);
}
children = files.Any() || !disableModifications
? table.Concat(
!disableModifications
?getUploadComponents( fileCollectionId, files, displaySetup, postBackIdBase, uploadValidationMethod, fileCreatedOrReplacedNotifier )
: Enumerable.Empty <FlowComponent>())
.Materialize()
: Enumerable.Empty <FlowComponent>().Materialize();
}
/// <summary>
/// Call this during LoadData. The markFileAsReadMethod can be used to update the app's database with an indication that the file has been seen by the user.
/// The fileIdsMarkedAsRead collection indicates which files should be not marked with a UI element drawing the user's attention to the fact that they haven't read it.
/// All other files not in this collection will be marked. FileIdsMarkedAsRead can be null, and will result as nothing being shown as new.
/// </summary>
public void LoadData( int fileCollectionId, MarkFileAsReadMethod markFileAsReadMethod, IEnumerable<int> fileIdsMarkedAsRead )
{
this.fileCollectionId = fileCollectionId;
this.markFileAsReadMethod = markFileAsReadMethod;
this.fileIdsMarkedAsRead = fileIdsMarkedAsRead;
}
