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92 lines
2.6 KiB
JavaScript
92 lines
2.6 KiB
JavaScript
/**
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* @license
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* Visual Blocks Editor
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*
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* Copyright 2018 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Variable rename events fired as a result of actions in
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* Blockly's editor.
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* @author fraser@google.com (Neil Fraser)
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*/
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'use strict';
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goog.provide('Blockly.Events.VarRename');
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goog.require('Blockly.Events');
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goog.require('Blockly.Events.VarBase');
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goog.require('goog.array');
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goog.require('goog.math.Coordinate');
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/**
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* Class for a variable rename event.
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* @param {Blockly.VariableModel} variable The renamed variable.
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* Null for a blank event.
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* @param {string} newName The new name the variable will be changed to.
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* @extends {Blockly.Events.VarBase}
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* @constructor
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*/
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Blockly.Events.VarRename = function(variable, newName) {
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if (!variable) {
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return; // Blank event to be populated by fromJson.
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}
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Blockly.Events.VarRename.superClass_.constructor.call(this, variable);
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this.oldName = variable.name;
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this.newName = newName;
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};
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goog.inherits(Blockly.Events.VarRename, Blockly.Events.VarBase);
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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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Blockly.Events.VarRename.prototype.type = Blockly.Events.VAR_RENAME;
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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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Blockly.Events.VarRename.prototype.toJson = function() {
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var json = Blockly.Events.VarRename.superClass_.toJson.call(this);
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json['oldName'] = this.oldName;
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json['newName'] = this.newName;
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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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Blockly.Events.VarRename.prototype.fromJson = function(json) {
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Blockly.Events.VarRename.superClass_.fromJson.call(this, json);
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this.oldName = json['oldName'];
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this.newName = json['newName'];
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};
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/**
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* Run a variable rename 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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Blockly.Events.VarRename.prototype.run = function(forward) {
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var workspace = this.getEventWorkspace_();
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if (forward) {
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workspace.renameVariableById(this.varId, this.newName);
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} else {
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workspace.renameVariableById(this.varId, this.oldName);
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}
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};
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