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auslfe.portlet.multimedia (0.2.1)

by Olha Pelishok last modified 2010-09-22
Released on 2010-09-21 by Luca Fabbri for Plone 3.0, Plone 4.0 under LGPL - GNU Lesser General Public License available for All platforms.
Software development stage: stable
A simple Plone multimedia Portlet with additional optional features

The main information you must provide to the portlet is a Plone collection. The collection is used to retrieve all image-like contents from it. You can freely configure the collection to return also other content, but only ones marked as "image-able" are used (technically speaking: it also filter only contents that provides IImageContent, like "Image" and "News Item" content type already do).

From the target collection is also used the "Number of items" field, to show in the portlet only a limited number of images.

The "Limit Search Results" field is not directly used by this portlet, but change the collection behaviour. Enabling the client random feature with this check selected will only reorder a limited set of images.


What scare us about other Javascript-live multimedia portlet (besides accessibility) is the massive use of AJAX call to the server. This can lead to two problems:

  • too many request (and low performance)
  • random feature could work badly with cache in front of Plone

For this reason this portlet will not query every xyz seconds the server, but simply get from the server all the images, the randomly reload it client side.

The auto-reload feature can be disabled if you don't like it. You still have a random image set at page load time.

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