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Upload Collection
sap.m.UploadCollection
Intro
The upload collection control allows users to upload single or multiple files from a device (desktop, tablet, or phone) to the SAP Fiori app. Typically, uploaded files appear in an Attachments tab. However, files can also be displayed elsewhere.
Usage
Use the upload collection control if:
- You want to show a list of uploaded files that can be modified.
- You want to allow users to add or remove files, and to change the file names.
- You are still using the old sap.ca.ui.FileUpload control.
Do not use the upload collection control if:
- The user can upload only one file to the app. In this case, use the sap.ui.unified.FileUploader control instead.
Layout
The toolbar at the top of the upload collection control contains an Attachments header with a counter on the left, and an Add button for adding new items on the right. You can overwrite both the default text Attachments and the counter (property: numberOfAttachmentsText).
Files are listed vertically. Each item has a Rename ( ) and a Remove ( ) button.
While most file types have generic icons (for example documents, spreadsheets, or presentations), image files have a small thumbnail preview.
Layout – Items
Attributes and Statuses
You can display additional attributes and statuses below the file name. Attributes can include the name of the person who uploaded the file, the upload date, the version number, file size, and so on.
App developers can also set individual statuses. These statuses usually refer to an object’s state in a workflow (such as Approved or Overdue).
If multiple attributes or statuses are displayed, they are separated by a bullet.
Layout – Attributes and statuses
Technical Statuses
In contrast to the statuses mentioned above, technical statuses are not bound to a workflow or business process. Their main use is to show the current editing status of an object (Draft, Locked, Unsaved Changes). For further uses and more details see the object display components and draft handling articles.
Layout – Technical statuses
Types
The upload collection control offers two different modes: UploadCollection and UploadCollectionForPendingUpload.
The classic upload collection allows users to upload single or multiple files directly to the app, where these files are displayed as a list.
In contrast, the upload collection for pending upload requires the user to first add multiple files to a list (usually presented in a dialog) and then explicitly trigger the upload for the entire list.
When the dialog with the list is confirmed, the user returns to the app screen with the upload collection set to busy until the upload is finished.
Behavior and Interaction
Uploading Files
If empty, the upload collection provides users with a hint that they can use the Add button or drag and drop to upload files. This hint already provides a large enough zone for users to drop their files.
Interaction – Upload collection empty
Using the Add Button
The Add button triggers a native operating system dialog that allows users to select the files they want to upload. You can decide whether the dialogs should allow users to select multiple items, or only one item.
Interaction – Add
Once the files have been selected and the dialog closes, the uploading progress is shown in the list.
Users can cancel individual uploads by pressing the Remove button provided on each item.
Interaction – Upload in progress
Depending on the use case, the Add button can be either disabled or hidden.
If a user cannot upload any files at all, the button should be hidden completely.
If a user is only temporarily unable to upload files (for example, due to the server connection), the button should only be disabled to indicate that this state is temporary.
Using Drag and Drop
Users can easily select one or multiple files from their computer and drag them onto the upload collection to start the upload.
As soon as users start to drag a file over the application, the hint changes into a drop zone informing users where to place the file.
Interaction – Drag and drop - Start
When the file is over the drop zone, it changes again to tell users that they can release the file.
The uploading process itself is the same as if a file had been added via the Add button.
Interaction – Drag and drop - Before drop
Opening Files
The user can click the icons or thumbnails in front of the attachment. Opening files is handled differently depending on the operating system.
On a desktop device, clicking the file name or icon of a file opens the respective program that has been assigned to this file type. Mobile devices usually open a dialog in which the user can select an app that supports this file type.
Renaming Files
The rename function works identically on desktop and mobile devices.
The user clicks the Rename ( ) button.
The file name becomes an input field in which the existing name is highlighted. At the same time, the Rename ( ) and Remove ( ) buttons are replaced by two options: Rename and Cancel.
When the user starts typing, the highlighted text is overwritten. Alternatively, the user can use the mouse or keyboard to change the selected text.
There are three ways in which to validate the new file name:
- The user clicks somewhere outside the input field to change the focus.
- The user clicks Rename.
- The user presses ENTER.
Editing Files
If users need to edit more than just the name of uploaded files, applications can implement an edit dialog with all the elements that can be changed by the user.
The image shows an example of how to structure such a dialog. The fields depend entirely on the use case and can be freely determined by each application.
Important: Make sure that you trigger this dialog via the standard Edit button that is provided for each item.
Further details about editing parts of an object in a dialog can be found in the article manage objects – parts of an object. If multiple files need to be edited simultaneously, make sure to follow the guidelines for mass editing.
Interaction – Example of an edit dialog
Deleting Files
The delete function works identically on desktop and mobile devices.
As soon as the user clicks the Remove button on a file, a dialog appears asking the user to confirm the deletion of the respective file.
The file name has to be specified in the dialog. Delete confirms the deletion and the file is removed from the list. Cancel aborts the process, closes the dialog, and brings the user back to the file list without making any changes.
Interaction – Delete
Clickable Attributes
Object attributes can be made clickable. This can be very helpful to provide users with a direct way to access certain information, such as a person’s profile and contact data, or the version history of a file. Use a quick view to show this additional information.
Examples:
Uploaded By: John Miller
Last Edited By: Donna Moore
Version 1.1
Do not use more than two or three linked attributes per item. Excessive use of clickable attributes will overload the UI with interactive elements and have a negative impact on usability.
Sorting and Filtering
Applications can enable sorting and filtering by placing the respective buttons next to the Add button. If both functions are provided separately, place Sort ( ) first, followed by Filter ( ). Each button should trigger the respective popover or dialog.
It is also possible to use the view settings dialog to handle both sorting and filtering in the same step. If you do this, use a combined button named Sort and Filter.
Interaction – Sort and Filter (1)
If a Filter is Set
Keep in mind to show the infobar if a filter is set. The sorting criteria should not be displayed in the infobar.
Clicking the infobar should bring up…
…the filter dialog if sorting and filtering are provided via separate buttons.
…the view settings dialog if only one Sort and Filter button is used.
Optionally, a button can be provided on the right hand side of the infobar to remove all filters.
Interaction – Sort and Filter (2)
Custom and Bulk Actions
App developers can introduce their own actions and apply an action to multiple objects (bulk actions).
Place both custom and bulk actions in the toolbar of the upload collection control. For the order of the actions, apply the same rules as for other toolbars.
If you want to use custom or bulk actions, you must use multiple selection (property: mode = MultiSelect). This mode removes the actions from each item. Instead, offer all necessary actions in the toolbar.
Interaction – Multi selection
Uploading a New Version
With SAPUI5 version 1.38 and higher, the old version of an upload collection will be automatically replaced when the user uploads a newer version. This change no longer requires the user to delete the old version manually.
To upload a new version, the user needs to select a file and click Upload New Version. This button needs to be provided by the application as a custom action (see previous section). The following dialog (identical to standard uploading procedure) allows the user to pick a new file to replace the old one.
Handling Duplicates
Some applications may allow duplicate files and file names. This section covers steps to prevent duplicates.
Duplicate File Name During Renaming
In this example, there are two different image files: Product Picture Front and Product Picture Back.
The user types in a name that is identical to one that already exists.
When the user clicks Rename or tries to remove the focus from the input field, the field is highlighted (semantic color: error).
Placing the focus back on the field shows the error message (form field validation).
Duplicate Files During Upload
If a duplicate is recognized during the upload process, a dialog appears that allows the user to do one of the following:
1) This text explains the current conflict (no actions possible).
2) With Upload and replace, the current file is replaced with the newly updated one.
3) With Upload and rename automatically, the current file is kept and an incrementally increasing number is added to the newly uploaded file, such as “Technical Specs_2”.
4) With Skip this file, the file is not uploaded and the current file is kept instead.
5) If Do this for all n conflicts is checked, the selected action is applied to all remaining conflicts.
6) The OK button confirms selected action(s).
7) The Close button cancels the entire upload process.
Interaction – Upload duplicate – Details
Folder Structure
The upload collection control can display hierarchical folder structures containing files, similar to an operation system’s file browser or popular cloud storage services.
Info: Renaming and deleting folders works the same way as it does with files and will therefore not be covered in this section. For more details, check the respective sections on renaming and deleting files.
While files are represented by individual icons that correspond to the file’s MIME type, all folders are represented by the same icon ( ) since their contents may vary.
Instead of the regular title, use breadcrumbs to enable users to see which hierarchy level they are on, and to provide an easy way to navigate back to any previous step.
In the item counter after the breadcrumb, show the sum of all items in the current folder, counting both folders and files.
Folder Structure (1)
When the user clicks a folder, the current list is replaced by the contents of that folder. Note that the breadcrumb needs to be updated to show the previous folder as well as both the name of the current folder and number of items it contains.
Folder Structure (2)
The same behavior repeats as the user navigates deeper: the previous folder name is converted to a link, while the current folder is appended to the breadcrumb and both the counter and the list are updated.
Folder Structure (3)
If users are allowed to create their own folders, provide a custom action button in the toolbar called New Folder. With this button, trigger a dialog prompting users to enter a name for the new folder.
After confirmation, the new folder is created on the same hierarchy level that is currently visible in the upload list.
Folder structure – Dialog for creating a folder
Styles
The showSeparators
property allows you to display dividers between each item. The default value is All
, meaning that all dividers are shown. We recommend that you only turn off the separators if you expect to have just a few items. The separators make it easier for users to scan long lists.
Styles – Separators (default)
Styles – No separators
Guidelines
When to Show/Deactivate/Hide Actions
Apps can control the visibility and the active state for all actions at item level. This applies to the Edit and Delete buttons.
The properties are as follows:
- VisibleEdit
- VisibleDelete
- EnableEdit
- EnableDelete
All the properties are set to true by default.
If users are not allowed to edit uploaded files, all the Edit buttons should be set to invisible. The same applies to the Delete function.
Identical actions should be placed directly beneath one another.
Do not leave buttons enabled, only to show an error message informing the user that the function is not available.
Identical actions should always appear beneath one another.
Show identical actions beneath each other
If users are not allowed to use a certain function, these buttons should not be shown at all.
Hide functions if the user doesn't have authorization
If certain actions are unavailable in some cases, such as for files from other users, we recommended that you disable these actions.
Disable functions not available for a specific file
Do not disable all actions. If users are not allowed to use a certain action, these buttons should not be shown at all.
Don't disable all actions
Identical actions should be placed directly beneath one another. In the example opposite, the Remove buttons on the lower two items should be visible but disabled.
Do not position the same actions differently
Placeholder Items
Applications should not use self-built placeholder items to tell users if there are no files to display. This information is provided automatically by the control.
Resources
Want to dive deeper? Follow the links below to find out more about related controls, the SAPUI5 implementation, and the visual design.
Implementation
- Upload Collection (SAPUI5 samples)
- Upload Collection For Pending Upload (SAPUI5 samples)
- Upload Collection (SAPUI5 API reference)
- Upload Collection For Pending Upload (SAPUI5 API reference)