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63eb4ecb2a
* chore: switch events to use new comment class * fix: switch create and delete events to use JSON * work on getting new comments to fire events * chore: fixup tests * chore: rename workspace comment test to comment view test * chore: add tests for firing events * chore: remove TODO
118 lines
3.0 KiB
TypeScript
118 lines
3.0 KiB
TypeScript
/**
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* @license
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* Copyright 2018 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* Class for comment deletion event.
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*
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* @class
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*/
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// Former goog.module ID: Blockly.Events.CommentDelete
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import * as registry from '../registry.js';
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import type {WorkspaceComment} from '../comments/workspace_comment.js';
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import * as comments from '../serialization/workspace_comments.js';
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import {CommentBase, CommentBaseJson} from './events_comment_base.js';
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import * as eventUtils from './utils.js';
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import * as utilsXml from '../utils/xml.js';
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import * as Xml from '../xml.js';
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import type {Workspace} from '../workspace.js';
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/**
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* Notifies listeners that a workspace comment has been deleted.
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*/
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export class CommentDelete extends CommentBase {
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override type = eventUtils.COMMENT_DELETE;
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/** The XML representation of the deleted workspace comment. */
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xml?: Element;
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/** The JSON representation of the created workspace comment. */
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json?: comments.State;
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/**
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* @param opt_comment The deleted comment.
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* Undefined for a blank event.
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*/
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constructor(opt_comment?: WorkspaceComment) {
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super(opt_comment);
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if (!opt_comment) {
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return; // Blank event to be populated by fromJson.
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}
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this.xml = Xml.saveWorkspaceComment(opt_comment);
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this.json = comments.save(opt_comment, {addCoordinates: true});
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}
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/**
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* Run a creation event.
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*
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* @param forward True if run forward, false if run backward (undo).
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*/
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override run(forward: boolean) {
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CommentBase.CommentCreateDeleteHelper(this, !forward);
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}
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/**
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* Encode the event as JSON.
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*
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* @returns JSON representation.
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*/
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override toJson(): CommentDeleteJson {
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const json = super.toJson() as CommentDeleteJson;
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if (!this.xml) {
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throw new Error(
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'The comment XML is undefined. Either pass a comment to ' +
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'the constructor, or call fromJson',
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);
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}
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if (!this.json) {
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throw new Error(
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'The comment JSON is undefined. Either pass a block to ' +
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'the constructor, or call fromJson',
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);
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}
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json['xml'] = Xml.domToText(this.xml);
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json['json'] = this.json;
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return json;
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}
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/**
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* Deserializes the JSON event.
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*
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* @param event The event to append new properties to. Should be a subclass
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* of CommentDelete, but we can't specify that due to the fact that
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* parameters to static methods in subclasses must be supertypes of
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* parameters to static methods in superclasses.
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* @internal
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*/
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static fromJson(
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json: CommentDeleteJson,
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workspace: Workspace,
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event?: any,
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): CommentDelete {
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const newEvent = super.fromJson(
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json,
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workspace,
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event ?? new CommentDelete(),
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) as CommentDelete;
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newEvent.xml = utilsXml.textToDom(json['xml']);
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newEvent.json = json['json'];
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return newEvent;
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}
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}
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export interface CommentDeleteJson extends CommentBaseJson {
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xml: string;
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json: object;
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}
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registry.register(
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registry.Type.EVENT,
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eventUtils.COMMENT_DELETE,
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CommentDelete,
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);
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