@ckeditor/ckeditor5-link
Version:
Link feature for CKEditor 5.
67 lines (66 loc) • 2.81 kB
JavaScript
/**
* @license Copyright (c) 2003-2023, CKSource Holding sp. z o.o. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @module link/unlinkcommand
*/
import { Command } from 'ckeditor5/src/core';
import { findAttributeRange } from 'ckeditor5/src/typing';
import { isLinkableElement } from './utils';
/**
* The unlink command. It is used by the {@link module:link/link~Link link plugin}.
*/
export default class UnlinkCommand extends Command {
/**
* @inheritDoc
*/
refresh() {
const model = this.editor.model;
const selection = model.document.selection;
const selectedElement = selection.getSelectedElement();
// A check for any integration that allows linking elements (e.g. `LinkImage`).
// Currently the selection reads attributes from text nodes only. See #7429 and #7465.
if (isLinkableElement(selectedElement, model.schema)) {
this.isEnabled = model.schema.checkAttribute(selectedElement, 'linkHref');
}
else {
this.isEnabled = model.schema.checkAttributeInSelection(selection, 'linkHref');
}
}
/**
* Executes the command.
*
* When the selection is collapsed, it removes the `linkHref` attribute from each node with the same `linkHref` attribute value.
* When the selection is non-collapsed, it removes the `linkHref` attribute from each node in selected ranges.
*
* # Decorators
*
* If {@link module:link/linkconfig~LinkConfig#decorators `config.link.decorators`} is specified,
* all configured decorators are removed together with the `linkHref` attribute.
*
* @fires execute
*/
execute() {
const editor = this.editor;
const model = this.editor.model;
const selection = model.document.selection;
const linkCommand = editor.commands.get('link');
model.change(writer => {
// Get ranges to unlink.
const rangesToUnlink = selection.isCollapsed ?
[findAttributeRange(selection.getFirstPosition(), 'linkHref', selection.getAttribute('linkHref'), model)] :
model.schema.getValidRanges(selection.getRanges(), 'linkHref');
// Remove `linkHref` attribute from specified ranges.
for (const range of rangesToUnlink) {
writer.removeAttribute('linkHref', range);
// If there are registered custom attributes, then remove them during unlink.
if (linkCommand) {
for (const manualDecorator of linkCommand.manualDecorators) {
writer.removeAttribute(manualDecorator.id, range);
}
}
}
});
}
}