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Project Description

(Plone 4.3+)


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 propogated everywhere that you have a plug into your website.


Snippet definition
The actual information that will be rendered onto the page. The snippet plugs are used as placeholders for their definitions during editing.
Snippet plug
The placeholder text that is placed into a page to represent it’s respective definition. Whenever a page containing a plug is rendered, the snippet parser will fetch the definition associated with that particular plug and place it into the page in place of the plug. The definition of a snippet can be edited, and the changes will be immediately reflected everywhere a plug is inserted.

How to use

In order to user the uwosh.snippets add-on, it is required that the TinyMCE WYSIWYG editor be both installed and enabled. A basic understanding of it’s usage is also highly recommended. For more information about TinyMCE, visit their website.

Creating/adding/deleting/updating snippets can all be done through the snippet browser. To open the snippet browser, navigate to the “Edit” tab of any Plone page. In the TinyMCE editor, you should see a new button that looks like {{}}. Click it to open the snippet browser. Every one of the following steps will require opening the browser at some point, so it’s a good idea to make sure you know how to do this.

Permission Issues: In order to create/edit/delete snippet definitions, the current user account must have the proper permissions to do so. These permissions mirror the user accounts permissions to modify the .snippets folder (which is created in the home directory when the add-on is installed). If the user can create a document in .snippets, they can create a new snippet definition. The same goes for deleting and editing.


  • Creating:

    To create a new snippet definition, open up the snippet browser. In the bottom of the snippet browser window, click on the link reading “Create a new snippet.”. An editor window will pop up allowing you to create a new snippet. Fill in the fields and click the “Save” button at the bottom. An alert box should appear, confirming that the snippet was created successfully.

  • Insertion:

    When adding a new snippet to a page, it’s first necessary to specify where it should be inserted. This is done by placing the cursor in the desired location in the text. The snippet browser will “paste” the snippet plug in this location.

    Next, open the snippet browser. Towards the top, in the “Selected Snippet” box, click the “Browse” button. A new window should appear containing a list of all the previously created snippets. Click on the desired snippet, and click the “Select” button towards the bottom left of the window. Now, click the “Insert” button at the bottom left of the snippet browser window.

    At this point, the window will close, and the snippet should be inserted in the place specified earlier. Snippets that are inserted into a TinyMCE editor will have a small dotted border around them to make them more easily identifiable. Clicking inside this border will bring up the snippet browser again, with the clicked snippet already selected.

    Note: the page being edited still needs to be saved after inserting a snippet, otherwise no changes will be applied.

  • Editing:

    To edit a snippet, open the snippet browser. Click the “Browse” button to bring up the snippet list. Located the snippet in the list and click the “Edit” link directly to the right of the snippet description. An editor window will appear with the snippets information filled in. Make the desired changes, and click the “Save” button. An alert will appear confirming that the changes have been successfully saved. The changes should now appear immediately, everywhere the snippet has been inserted. No other changes are necessary.

  • Deleting:

    Beware: Deleting a snippet will remove the snippet entirely, including any references to it. There is no way to reverse this. If you only want to remove a specific instance of a snippet, refer to the “Removing” section.

    To delete a snippet, open the snippet browser, and click the “Browse” button. Locate the desired snippet and click the “Delete” link directly to the right of the snippet description. Click “OK” to confirm the action.

  • Removing:

    To remove a specific snippet plug from a page, click on the snippet inside the TinyMCE editing window. When the snippet browser appears, click the “Remove” button. Click the “Cancel” button to close out of the snippet browser.

    Note: The page needs to be saved after removing a snippet for the changes to occur.


  • Sam Schwartz, Author


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
Release History

Release History


This version

History Node

TODO: Figure out how to actually get changelog content.

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TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
uwosh.snippets-0.9.29.tar.gz (1.0 MB) Copy SHA256 Checksum SHA256 Source Dec 19, 2014

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