CKEditor automatically strips classes from div

CKEditor automatically strips classes from div

I am using CKEditor as a back end editor on my website. It is driving me round the bend though as it seems to want to change the code to how it sees fit whenever I press the source button. For example if I hit source and create a

...

some content
  

It then for no apparent reason strips the class from the

, so when I hit source again it has been changed to...

some content
  

I presume this irritating behaviour can be turned off in the config.js, but I have been digging and cant find anything in documentation to turn it off.

Answer by Iain Simpson for CKEditor automatically strips classes from div

Disabling content filtering

The easiest solution is going to the config.js and setting:

config.allowedContent = true;  

(Remember to clear browser's cache). Then CKEditor stops filtering the inputted content at all. However, this will totally disable content filtering which is one of the most important CKEditor features.

Configuring content filtering

You can also configure CKEditor's content filter more precisely to allow only these element, classes, styles and attributes which you need. This solution is much better, because CKEditor will still remove a lot of crappy HTML which browsers produce when copying and pasting content, but it will not strip the content you want.

For example, you can extend the default CKEditor's configuration to accept all div classes:

config.extraAllowedContent = 'div(*)';  

Or some Bootstrap stuff:

config.extraAllowedContent = 'div(col-md-*,container-fluid,row)';  

Or you can allow description lists with optional dir attributes for dt and dd elements:

config.extraAllowedContent = 'dl; dt dd[dir]';  

These were just very basic examples. You can write all kind of rules - requiring attributes, classes or styles, matching only special elements, matching all elements. You can also disallow stuff and totally redefine CKEditor's rules. Read more about:

• Content filtering in CKEditor ? why do you need content filter.
• Advanced Content Filter ? in deep description of the filtering mechanism.
• Allowed content rules ? how to write allowed content rules.

Answer by Wasif.Butt for CKEditor automatically strips classes from div

if you're using ckeditor 4.x you can try

config.allowedContent = true;  

if you're using ckeditor 3.x you may be having this issue.

try putting the following line in config.js

config.ignoreEmptyParagraph = false;  

Answer by oleq for CKEditor automatically strips classes from div

Please refer to the official Advanced Content Filter guide and plugin integration tutorial.

You'll find much more than this about this powerful feature. Also see config.extraAllowedContent that seems suitable for your needs.

Answer by Marty ZHANG for CKEditor automatically strips classes from div

Since CKEditor v4.1, you can do this in config.js of CKEditor:

CKEDITOR.editorConfig = function( config ) {    config.extraAllowedContent = '*[id](*)';  // remove '[id]', if you don't want IDs for HTML tags  }  

You can refer to the official documentation for the detailed syntax of Allowed Content Rules

Answer by cdavidyoung for CKEditor automatically strips classes from div

I found that switching to use full html instead of filtered html (below the editor in the Text Format dropdown box) is what fixed this problem for me. Otherwise the style would disappear.

Answer by Alpdog14 for CKEditor automatically strips classes from div

I would like to add this config.allowedContent = true; needs to be added to the ckeditor.config.js file not the config.js, config.js did nothing for me but adding it to the top area of ckeditor.config.js kept my div classes

Answer by sepehr for CKEditor automatically strips classes from div

Edit: this answer is for those who use ckeditor module in drupal.

I found a solution which doesn't require modifying ckeditor js file.

this answer is copied from here. all credits should goes to original author.

Go to "Admin >> Configuration >> CKEditor"; under Profiles, choose your profile (e.g. Full).

Edit that profile, and on "Advanced Options >> Custom JavaScript configuration" add config.allowedContent = true;.

Don't forget to flush the cache under "Performance tab."

Answer by Tommy at LIW for CKEditor automatically strips classes from div

I found a solution.

This turns off the filtering, it's working, but not a good idea...

config.allowedContent = true;  

To play with a content string works fine for id, etc, but not for the class and style attributes, because you have () and {} for class and style filtering.

So my bet is for allowing any class in the editor is:

config.extraAllowedContent = '*(*)';  

This allows any class and any inline style.

config.extraAllowedContent = '*(*);*{*}';  

To allow only class="asdf1" and class="asdf2" for any tag:

config.extraAllowedContent = '*(asdf1,asdf2)';  

(so you have to specify the classnames)

To allow only class="asdf" only for p tag:

config.extraAllowedContent = 'p(asdf)';  

To allow id attribute for any tag:

config.extraAllowedContent = '*[id]';  

etc etc

To allow style tag ():

config.extraAllowedContent = 'style';  

To be a bit more complex:

config.extraAllowedContent = 'span;ul;li;table;td;style;*[id];*(*);*{*}';  

Hope it's a better solution...

Answer by dan for CKEditor automatically strips classes from div

Another option if using drupal is simply to add the css style that you want to use. that way it does not strip out the style or class name.

so in my case under the css tab in drupal 7 simply add something like

facebook=span.icon-facebook2

also check that font-styles button is enabled

Answer by pyretta for CKEditor automatically strips classes from div

If you use Drupal AND the module called "WYSIWYG" with the CKEditor library, then the following workaround could be a solution. For me it works like a charm. I use CKEditor 4.4.5 and WYSIWYG 2.2 in Drupal 7.33. I found this workaround here: https://www.drupal.org/node/1956778.

Here it is: I create a custom module and put the following code in the ".module" file:

editor == 'ckeditor') {      $settings['allowedContent'] = TRUE;    }  }  ?>  

I hope this help other Drupal users.

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