ckeditor5-image-upload-base64
Version:
The development environment of CKEditor 5 – the best browser-based rich text editor.
61 lines (52 loc) • 1.43 kB
JavaScript
/**
* @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @module basic-styles/superscript/superscriptediting
*/
import Plugin from '@ckeditor/ckeditor5-core/src/plugin';
import AttributeCommand from '../attributecommand';
const SUPERSCRIPT = 'superscript';
/**
* The superscript editing feature.
*
* It registers the `super` command and introduces the `super` attribute in the model which renders to the view
* as a `<super>` element.
*
* @extends module:core/plugin~Plugin
*/
export default class SuperscriptEditing extends Plugin {
/**
* @inheritDoc
*/
static get pluginName() {
return 'SuperscriptEditing';
}
/**
* @inheritDoc
*/
init() {
const editor = this.editor;
// Allow super attribute on text nodes.
editor.model.schema.extend( '$text', { allowAttributes: SUPERSCRIPT } );
editor.model.schema.setAttributeProperties( SUPERSCRIPT, {
isFormatting: true,
copyOnEnter: true
} );
// Build converter from model to view for data and editing pipelines.
editor.conversion.attributeToElement( {
model: SUPERSCRIPT,
view: 'sup',
upcastAlso: [
{
styles: {
'vertical-align': 'super'
}
}
]
} );
// Create super command.
editor.commands.add( SUPERSCRIPT, new AttributeCommand( editor, SUPERSCRIPT ) );
}
}