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contextplugin.js
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contextplugin.js
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/**
* @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 core/contextplugin
*/
import ObservableMixin from '@ckeditor/ckeditor5-utils/src/observablemixin';
import mix from '@ckeditor/ckeditor5-utils/src/mix';
/**
* The base class for {@link module:core/context~Context} plugin classes.
*
* A context plugin can either be initialized for an {@link module:core/editor/editor~Editor editor} or for
* a {@link module:core/context~Context context}. In other words, it can either
* work within one editor instance or with one or more editor instances that use a single context.
* It is the context plugin's role to implement handling for both modes.
*
* There are a few rules for interaction between the editor plugins and context plugins:
*
* * A context plugin can require another context plugin.
* * An {@link module:core/plugin~Plugin editor plugin} can require a context plugin.
* * A context plugin MUST NOT require an {@link module:core/plugin~Plugin editor plugin}.
*
* @implements module:core/plugin~PluginInterface
* @mixes module:utils/observablemixin~ObservableMixin
*/
export default class ContextPlugin {
/**
* Creates a new plugin instance.
*
* @param {module:core/context~Context|module:core/editor/editor~Editor} context
*/
constructor( context ) {
/**
* The context instance.
*
* @readonly
* @type {module:core/context~Context|module:core/editor/editor~Editor}
*/
this.context = context;
}
/**
* @inheritDoc
*/
destroy() {
this.stopListening();
}
/**
* @inheritDoc
*/
static get isContextPlugin() {
return true;
}
}
mix( ContextPlugin, ObservableMixin );