Interface that may be automatically implemented by any
instance of any class which has at least the
name property and
can be meant as an editor feature.
- "Bold" command, button, and keystroke – it does not mean exactly
<b>but just the ability to create bold text.
- "Format" drop-down list – it also does not imply any HTML tag.
- "Link" command, button, and keystroke.
- "Image" command, button, and dialog window.
Thus most often a feature is an instance of one of the following classes:
This method checks if a feature can be activated (see requiredContent) and if yes, then it registers allowed content rules required by this feature (see allowedContent) along with two kinds of transformations: contentForms and contentTransformations.
By default all buttons that are included in toolbar layout configuration are checked and registered with CKEDITOR.editor.addFeature, all styles available in the 'Format' and 'Styles' drop-down lists are checked and registered too and so on.
HTML code that can be generated by this feature.
For example a basic image feature (image button displaying the image dialog window) may allow
During the feature activation this value is passed to CKEDITOR.filter.allow.
contentForms : Object
contentTransformations : Object
name : String
The name of the feature.
It is used for example to identify which CKEDITOR.filter.allowedContent rule was added for which feature.
Minimal HTML code that this feature must be allowed to generate in order to work.
For example a basic image feature (image button displaying the image dialog window) needs
'img[src,alt]'in order to be activated.
During the feature validation this value is passed to CKEDITOR.filter.check.
If this value is not provided, a feature will be always activated.
Returns a feature that this feature needs to register.