Files
blockly/core/internal_constants.js

73 lines
2.2 KiB
JavaScript

/**
* @license
* Copyright 2021 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview Module that provides constants for use inside Blockly. Do not
* use these constants outside of the core library.
* @package
*/
'use strict';
/**
* Module that provides constants for use inside Blockly. Do not
* use these constants outside of the core library.
* @namespace Blockly.internalConstants
*/
goog.module('Blockly.internalConstants');
const {ConnectionType} = goog.require('Blockly.ConnectionType');
/**
* Number of characters to truncate a collapsed block to.
* @alias Blockly.internalConstants.COLLAPSE_CHARS
*/
const COLLAPSE_CHARS = 30;
exports.COLLAPSE_CHARS = COLLAPSE_CHARS;
/**
* When dragging a block out of a stack, split the stack in two (true), or drag
* out the block healing the stack (false).
* @alias Blockly.internalConstants.DRAG_STACK
*/
const DRAG_STACK = true;
exports.DRAG_STACK = DRAG_STACK;
/**
* Lookup table for determining the opposite type of a connection.
* @const
* @alias Blockly.internalConstants.OPPOSITE_TYPE
*/
const OPPOSITE_TYPE = [];
OPPOSITE_TYPE[ConnectionType.INPUT_VALUE] = ConnectionType.OUTPUT_VALUE;
OPPOSITE_TYPE[ConnectionType.OUTPUT_VALUE] = ConnectionType.INPUT_VALUE;
OPPOSITE_TYPE[ConnectionType.NEXT_STATEMENT] =
ConnectionType.PREVIOUS_STATEMENT;
OPPOSITE_TYPE[ConnectionType.PREVIOUS_STATEMENT] =
ConnectionType.NEXT_STATEMENT;
exports.OPPOSITE_TYPE = OPPOSITE_TYPE;
/**
* String for use in the dropdown created in field_variable.
* This string indicates that this option in the dropdown is 'Rename
* variable...' and if selected, should trigger the prompt to rename a variable.
* @const {string}
* @alias Blockly.internalConstants.RENAME_VARIABLE_ID
*/
const RENAME_VARIABLE_ID = 'RENAME_VARIABLE_ID';
exports.RENAME_VARIABLE_ID = RENAME_VARIABLE_ID;
/**
* String for use in the dropdown created in field_variable.
* This string indicates that this option in the dropdown is 'Delete the "%1"
* variable' and if selected, should trigger the prompt to delete a variable.
* @const {string}
* @alias Blockly.internalConstants.DELETE_VARIABLE_ID
*/
const DELETE_VARIABLE_ID = 'DELETE_VARIABLE_ID';
exports.DELETE_VARIABLE_ID = DELETE_VARIABLE_ID;