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The Documents application allows users to build custom content types and provides some built-in content types. It also provides a viewer for common file types so users can read Office documents, view images or play videos directly from the activity stream.
When a document has a preview, a part of it is displayed, if not a thumbnail icon is displayed:
When clicking to preview, here is what we got in the two cases:
The following types are viewable i.e has a preview:
Images: png, jpg, jpeg, gif.
Audios/Videos: mp3, mp4.
ECMS content, either custom or built-in templates, such as a web content template.
For these viewable types, when you click a document preview thumbnail in the Activity Stream or select the View Document menu from Documents in the left navigation pane, the Document Viewer opens. The viewer provides a large viewing area and some functions, such as Search, Download and Print.
To exit the Viewer, hit Esc key or click X icon at the top right corner.
The Comment pane, where you can comment on or like a post, is only available when you view a document in the Activity Stream.
If the document is an unknown type, you must download it to your local machine and open it with another application.
You can always view pdf files, whereas Office documents require JODConverter to be installed on the server. If you cannot view an MS Word file, for example, contact your administrators.
For these file types, the Document Viewer provides maximized reading estate and all the functions listed.
Although you can simply scroll to go to another page, the Page Navigator provides many page selectors (e.g. previous, next, first and last page links, page number selector). You can also show/hide the Page Thumbnail pane by clicking the leftmost icon in the toolbar. Click it again to close it.
Search: Click the Search icon to open the Search bar and click it again to exit.
Download: Click the Donwload icon to download the file.
Full screen mode: Click the Switch to Presentation Mode icon to read in full screen. Hit Esc key to exit this mode.
Print: Click the Tools icon then select Print.
Comment: You will see the Comment area on the right side when you open the viewer. If it is hidden, you can bring it back by clicking the rightmost arrow icon.
Like: In the Comment area, click the Like icon to like the post. Click it again to unlike.
For viewable media types, the available functions are Download, Comment and Like.
Audio/Video playback may require appropriate browser plugins. A message like "Video format or MIME type is not supported" indicates that you may need to install or enable some plugins for that media type.
If the document is ECMS Content, it is viewable. The following screenshot shows illustrated web content, which is one of the built-in templates.