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29fb7b7893
* chore(tests): update event assert functions to pass in types directly * refactor: move event types from prototypes to constructors * refactor: convert events/events_block_change.js to ES6 class * refactor: convert events/events_block_create.js to ES6 class * refactor: convert events/events_block_delete.js to ES6 class * refactor: convert events/events_block_drag.js to ES6 class * refactor: convert events/events_block_move.js to ES6 class * refactor: convert events/events_click.js to ES6 class * refactor: convert events/events_comment_change.js to ES6 class * refactor: convert events/events_comment_create.js to ES6 class * refactor: convert events/events_comment_delete.js to ES6 class * refactor: convert events/events_comment_move.js to ES6 class * refactor: convert events/events_marker_move.js to ES6 class * refactor: convert events/events_selected.js to ES6 class * refactor: convert events/events_theme_change.js to ES6 class * refactor: convert events/events_toolbox_item_select.js to ES6 class * refactor: convert events/events_trashcan_open.js to ES6 class * refactor: convert events/events_ui.js to ES6 class * refactor: convert events/events_var_create.js to ES6 class * refactor: convert events/events_var_delete.js to ES6 class * refactor: convert events/events_var_rename.js to ES6 class * refactor: convert events/events_viewport.js to ES6 class * chore: rebuild * chore: run clang-format
90 lines
2.0 KiB
JavaScript
90 lines
2.0 KiB
JavaScript
/**
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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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* @fileoverview Classes for all types of variable events.
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*/
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'use strict';
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/**
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* Classes for all types of variable events.
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* @class
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*/
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goog.module('Blockly.Events.VarDelete');
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const eventUtils = goog.require('Blockly.Events.utils');
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const registry = goog.require('Blockly.registry');
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const {VarBase} = goog.require('Blockly.Events.VarBase');
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/* eslint-disable-next-line no-unused-vars */
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const {VariableModel} = goog.requireType('Blockly.VariableModel');
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/**
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* Class for a variable deletion event.
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* @extends {VarBase}
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*/
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class VarDelete extends VarBase {
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/**
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* @param {!VariableModel=} opt_variable The deleted variable. Undefined
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* for a blank event.
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* @alias Blockly.Events.VarDelete
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*/
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constructor(opt_variable) {
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super(opt_variable);
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/**
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* Type of this event.
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* @type {string}
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*/
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this.type = eventUtils.VAR_DELETE;
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if (!opt_variable) {
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return; // Blank event to be populated by fromJson.
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}
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this.varType = opt_variable.type;
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this.varName = opt_variable.name;
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}
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/**
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* Encode the event as JSON.
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* @return {!Object} JSON representation.
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*/
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toJson() {
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const json = super.toJson();
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json['varType'] = this.varType;
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json['varName'] = this.varName;
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return json;
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}
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/**
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* Decode the JSON event.
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* @param {!Object} json JSON representation.
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*/
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fromJson(json) {
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super.fromJson(json);
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this.varType = json['varType'];
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this.varName = json['varName'];
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}
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/**
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* Run a variable deletion event.
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* @param {boolean} forward True if run forward, false if run backward (undo).
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*/
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run(forward) {
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const workspace = this.getEventWorkspace_();
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if (forward) {
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workspace.deleteVariableById(this.varId);
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} else {
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workspace.createVariable(this.varName, this.varType, this.varId);
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}
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}
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}
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registry.register(registry.Type.EVENT, eventUtils.VAR_DELETE, VarDelete);
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exports.VarDelete = VarDelete;
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