| 1 | /**
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| 2 | * @license Copyright (c) 2003-2023, CKSource Holding sp. z o.o. All rights reserved.
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| 3 | * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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| 4 | */
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| 5 | /**
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| 6 | * @module link/unlinkcommand
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| 7 | */
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| 8 | import { Command } from 'ckeditor5/src/core';
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| 9 | import { findAttributeRange } from 'ckeditor5/src/typing';
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| 10 | import { isLinkableElement } from './utils';
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| 11 | /**
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| 12 | * The unlink command. It is used by the {@link module:link/link~Link link plugin}.
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| 13 | */
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| 14 | export default class UnlinkCommand extends Command {
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| 15 | /**
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| 16 | * @inheritDoc
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| 17 | */
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| 18 | refresh() {
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| 19 | const model = this.editor.model;
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| 20 | const selection = model.document.selection;
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| 21 | const selectedElement = selection.getSelectedElement();
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| 22 | // A check for any integration that allows linking elements (e.g. `LinkImage`).
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| 23 | // Currently the selection reads attributes from text nodes only. See #7429 and #7465.
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| 24 | if (isLinkableElement(selectedElement, model.schema)) {
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| 25 | this.isEnabled = model.schema.checkAttribute(selectedElement, 'linkHref');
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| 26 | }
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| 27 | else {
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| 28 | this.isEnabled = model.schema.checkAttributeInSelection(selection, 'linkHref');
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| 29 | }
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| 30 | }
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| 31 | /**
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| 32 | * Executes the command.
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| 33 | *
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| 34 | * When the selection is collapsed, it removes the `linkHref` attribute from each node with the same `linkHref` attribute value.
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| 35 | * When the selection is non-collapsed, it removes the `linkHref` attribute from each node in selected ranges.
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| 36 | *
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| 37 | * # Decorators
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| 38 | *
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| 39 | * If {@link module:link/linkconfig~LinkConfig#decorators `config.link.decorators`} is specified,
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| 40 | * all configured decorators are removed together with the `linkHref` attribute.
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| 41 | *
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| 42 | * @fires execute
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| 43 | */
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| 44 | execute() {
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| 45 | const editor = this.editor;
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| 46 | const model = this.editor.model;
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| 47 | const selection = model.document.selection;
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| 48 | const linkCommand = editor.commands.get('link');
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| 49 | model.change(writer => {
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| 50 | // Get ranges to unlink.
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| 51 | const rangesToUnlink = selection.isCollapsed ?
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| 52 | [findAttributeRange(selection.getFirstPosition(), 'linkHref', selection.getAttribute('linkHref'), model)] :
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| 53 | model.schema.getValidRanges(selection.getRanges(), 'linkHref');
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| 54 | // Remove `linkHref` attribute from specified ranges.
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| 55 | for (const range of rangesToUnlink) {
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| 56 | writer.removeAttribute('linkHref', range);
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| 57 | // If there are registered custom attributes, then remove them during unlink.
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| 58 | if (linkCommand) {
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| 59 | for (const manualDecorator of linkCommand.manualDecorators) {
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| 60 | writer.removeAttribute(manualDecorator.id, range);
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| 61 | }
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| 62 | }
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| 63 | }
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| 64 | });
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| 65 | }
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| 66 | }
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