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Adds reusable dynamically-rendered rich-text snippets

Project description

Plone Version Compatibility

Version 2.x is compatible with Plone 5.0+

Earlier versions are compatible with Plone 4


The uwosh.snippets package allows the user to include dynamically updated rich-text snippets into a Plone page. The snippets can be used anywhere that rich-text can be used. They can be inserted into a page much like a picture or hyperlink.

What is a snippet?

Technically speaking, a snippet is just an ordinary chunk of rich-text that can be repeatedly inserted into a Plone page wherever you like. However, unlike templates, copy/paste, or other similar methods, snippets are dynamic. Instead of a bunch of text that is dumped onto a page at edit time, a snippet is simply a pointer to a single instance of text that is stored elsewhere. Since the placeholders (referred to as “plugs”) are being stored on the page, instead of the text they represent, they never need to be updated. You simply just edit the snippet “definition” and immediately the changes will be propagated everywhere that you have a plug in your website.

How to use

In order to use the uwosh.snippets add-on, the TinyMCE WYSIWYG editor needs to be installed and enabled. A basic understanding of its use is also highly recommended. For more information about TinyMCE, visit their website.


  • would be nice: re-add support for add/edit/delete snippets in the modal - doesn’t fit as well into how we’re allowing snippets from anywhere on the site now


The original concept was developed by Sam Schwartz for the Office of International Education at University of Wisconsin Oshkosh.

Plone 5 compatibility was developed by Nathan Van Gheem / Wildcard Corp. for Philip Bauer /


This add-on is maintained by Wildcard Corp.,, developers of the Castle CMS enhanced distribution of Plone,


  • Sam Schwartz, Author

  • Nathan Van Gheem

  • Gil Forcada

    1. Kim Nguyen


2.0.1 (2017-08-27)

  • fix MANIFEST to include missing marker file to enable creation of .snippets folder on activation [tkimnguyen]

2.0.0 (2017-06-13)

  • Add site setup configuration [vangheem]

  • Integrate link integrity [vangheem]

  • Be able to add any content for a snippet [vangheem]

  • Use lxml to parse doc [vangheem]

0.9.29 (12/19/2014)

  • Users can now reenable tinyMCE after disabling it

  • Fixed issue causing the backend regex from grabbing normal (non-snippet) span tags

0.9.27 (12/17/2014)

  • Added link to disable tinyMCE when creating a snippet

0.9.26 (8/26/2014)

  • Changed wording on several links/buttons to make them more understandable

  • Fixed broken preview system

  • Snippet plugs are now removed from the current page when the respective snippet is deleted.

0.9.24 (8/21/2014)

  • Changed user-role requirements for different parts of the snippet UI

  • Fixed issue causing XMLSyntaxError…for real this time.

  • UI no longer displays add/edit/delete buttons if the user lacks the permissions to use them.

  • Updated README

  • Additional robot tests

0.9.2 (8/13/2014)

  • Re-factored and rearraged code to make it complient to Plone’s JS standards

  • Made JS jslint complient

0.9.18 (8/13/2014)

  • Tweaked some of the robot tests, added a few others

  • Added exception for the XMLSyntaxError error

  • Fixed bug causing AJAX requests to be sent when they didn’t need to

0.9.15 (8/8/2014)

  • moved robot tests over from another branch

  • Changed JS on edit page load to get all snippets it needs at once, instead of one at a time

  • Reworked SnippetList class to accomodate aforementioned JS change

0.9.11 (8/8/2014)

  • “Remove” button no long remains after removing a snippet plug

  • HTML View no longer breaks ALL the things.

0.9.10 (8/6/2014)

  • Added button to allow the user to remove snippet plugs from the current page

0.9.03 (8/5/2014)

  • Fixed bug preventing images from showing in preview window

  • Fixed bug breaking click-to-open when a snippet contains an image

0.9.01 (8/5/2014)

  • Fixed useless uninstall profile

0.8.9 (8/4/2014)

  • Fixed small JS bug introduced in 0.8.8

0.8.9b (8/4/2014)

  • Browser UI no longer breaks when a snippet has no desc.

0.8.9a (8/4/2014)

  • Fixed missing .snippet folder issue…again

  • Fixed issue with tinymce icon not showing up

0.8.8 (8/4/2014)

  • Missing .snippets folder issue fixed.

  • Description field now longer required.

  • Broken click-to-open functionality now fixed.

0.8.6a (6/5/2014)

  • Snippet ID’s now aren’t allowed to have any CSS-ID unsafe characters

  • Snippet plugs are now automatically updated when the base snippet is edited

  • The text inside snippet plugs can no longer be edited (that I’m aware of?)

  • Fixed numerous bugs preventing the “Selected snippet” box from populating

0.8.5a (05/27/14)

  • Added contenteditable tag to prevent users from editing snippets inline

0.8.4a (05/21/14)

  • Added snippet delete functionality

  • Added JS to polish delete


  • Fixed issue with the new regex


  • Remade the regex used by the snippet parser.


  • Added a Create/Edit extension to the TinyMCE plugin

  • Inumerable bug fixes I’ve neglected to document :(

  • Added layer to prevent premature execution

  • Reworked JS to be more flexible


  • Extended TinyMCE plugin to make snippets “clickable” in the edit page.

  • Added snippet browser window to TinyMCE plugin.

  • Removed support for YouTube embedding (other products handle this better).


  • Added ability to embed youtube videos.


  • Basic proof-of-concept implementation

  • Added TinyMCE plugin

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