mirror of
https://github.com/google/blockly.git
synced 2025-12-16 06:10:12 +01:00
ab03c65f9f
* refactor: Revert the Mutator/Icon constructor API changes with a deprecation warning. * fix: Update the block definitions to use the new Mutator constructor.
997 lines
31 KiB
JavaScript
997 lines
31 KiB
JavaScript
/**
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* @license
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* Copyright 2012 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 List blocks for Blockly.
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* @suppress {checkTypes}
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*/
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'use strict';
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goog.module('Blockly.libraryBlocks.lists');
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const xmlUtils = goog.require('Blockly.utils.xml');
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const Xml = goog.require('Blockly.Xml');
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const {Align} = goog.require('Blockly.Input');
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/* eslint-disable-next-line no-unused-vars */
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const {Block} = goog.requireType('Blockly.Block');
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// const {BlockDefinition} = goog.requireType('Blockly.blocks');
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// TODO (6248): Properly import the BlockDefinition type.
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/* eslint-disable-next-line no-unused-vars */
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const BlockDefinition = Object;
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const {ConnectionType} = goog.require('Blockly.ConnectionType');
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const {FieldDropdown} = goog.require('Blockly.FieldDropdown');
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const {Msg} = goog.require('Blockly.Msg');
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const {Mutator} = goog.require('Blockly.Mutator');
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/* eslint-disable-next-line no-unused-vars */
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const {Workspace} = goog.requireType('Blockly.Workspace');
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const {createBlockDefinitionsFromJsonArray, defineBlocks} = goog.require('Blockly.common');
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/** @suppress {extraRequire} */
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goog.require('Blockly.FieldDropdown');
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/**
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* A dictionary of the block definitions provided by this module.
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* @type {!Object<string, !BlockDefinition>}
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*/
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const blocks = createBlockDefinitionsFromJsonArray([
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// Block for creating an empty list
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// The 'list_create_with' block is preferred as it is more flexible.
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// <block type="lists_create_with">
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// <mutation items="0"></mutation>
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// </block>
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{
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'type': 'lists_create_empty',
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'message0': '%{BKY_LISTS_CREATE_EMPTY_TITLE}',
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'output': 'Array',
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'style': 'list_blocks',
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'tooltip': '%{BKY_LISTS_CREATE_EMPTY_TOOLTIP}',
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'helpUrl': '%{BKY_LISTS_CREATE_EMPTY_HELPURL}',
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},
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// Block for creating a list with one element repeated.
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{
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'type': 'lists_repeat',
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'message0': '%{BKY_LISTS_REPEAT_TITLE}',
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'args0': [
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{
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'type': 'input_value',
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'name': 'ITEM',
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},
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{
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'type': 'input_value',
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'name': 'NUM',
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'check': 'Number',
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},
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],
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'output': 'Array',
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'style': 'list_blocks',
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'tooltip': '%{BKY_LISTS_REPEAT_TOOLTIP}',
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'helpUrl': '%{BKY_LISTS_REPEAT_HELPURL}',
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},
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// Block for reversing a list.
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{
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'type': 'lists_reverse',
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'message0': '%{BKY_LISTS_REVERSE_MESSAGE0}',
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'args0': [
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{
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'type': 'input_value',
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'name': 'LIST',
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'check': 'Array',
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},
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],
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'output': 'Array',
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'inputsInline': true,
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'style': 'list_blocks',
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'tooltip': '%{BKY_LISTS_REVERSE_TOOLTIP}',
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'helpUrl': '%{BKY_LISTS_REVERSE_HELPURL}',
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},
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// Block for checking if a list is empty
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{
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'type': 'lists_isEmpty',
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'message0': '%{BKY_LISTS_ISEMPTY_TITLE}',
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'args0': [
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{
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'type': 'input_value',
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'name': 'VALUE',
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'check': ['String', 'Array'],
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},
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],
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'output': 'Boolean',
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'style': 'list_blocks',
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'tooltip': '%{BKY_LISTS_ISEMPTY_TOOLTIP}',
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'helpUrl': '%{BKY_LISTS_ISEMPTY_HELPURL}',
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},
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// Block for getting the list length
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{
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'type': 'lists_length',
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'message0': '%{BKY_LISTS_LENGTH_TITLE}',
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'args0': [
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{
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'type': 'input_value',
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'name': 'VALUE',
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'check': ['String', 'Array'],
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},
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],
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'output': 'Number',
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'style': 'list_blocks',
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'tooltip': '%{BKY_LISTS_LENGTH_TOOLTIP}',
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'helpUrl': '%{BKY_LISTS_LENGTH_HELPURL}',
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},
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]);
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exports.blocks = blocks;
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blocks['lists_create_with'] = {
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/**
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* Block for creating a list with any number of elements of any type.
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* @this {Block}
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*/
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init: function() {
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this.setHelpUrl(Msg['LISTS_CREATE_WITH_HELPURL']);
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this.setStyle('list_blocks');
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this.itemCount_ = 3;
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this.updateShape_();
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this.setOutput(true, 'Array');
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this.setMutator(new Mutator(['lists_create_with_item'], this));
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this.setTooltip(Msg['LISTS_CREATE_WITH_TOOLTIP']);
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},
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/**
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* Create XML to represent list inputs.
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* Backwards compatible serialization implementation.
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* @return {!Element} XML storage element.
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* @this {Block}
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*/
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mutationToDom: function() {
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const container = xmlUtils.createElement('mutation');
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container.setAttribute('items', this.itemCount_);
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return container;
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},
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/**
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* Parse XML to restore the list inputs.
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* Backwards compatible serialization implementation.
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* @param {!Element} xmlElement XML storage element.
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* @this {Block}
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*/
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domToMutation: function(xmlElement) {
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this.itemCount_ = parseInt(xmlElement.getAttribute('items'), 10);
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this.updateShape_();
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},
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/**
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* Returns the state of this block as a JSON serializable object.
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* @return {{itemCount: number}} The state of this block, ie the item count.
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*/
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saveExtraState: function() {
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return {
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'itemCount': this.itemCount_,
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};
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},
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/**
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* Applies the given state to this block.
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* @param {*} state The state to apply to this block, ie the item count.
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*/
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loadExtraState: function(state) {
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this.itemCount_ = state['itemCount'];
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this.updateShape_();
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},
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/**
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* Populate the mutator's dialog with this block's components.
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* @param {!Workspace} workspace Mutator's workspace.
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* @return {!Block} Root block in mutator.
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* @this {Block}
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*/
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decompose: function(workspace) {
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const containerBlock = workspace.newBlock('lists_create_with_container');
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containerBlock.initSvg();
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let connection = containerBlock.getInput('STACK').connection;
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for (let i = 0; i < this.itemCount_; i++) {
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const itemBlock = workspace.newBlock('lists_create_with_item');
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itemBlock.initSvg();
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connection.connect(itemBlock.previousConnection);
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connection = itemBlock.nextConnection;
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}
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return containerBlock;
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},
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/**
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* Reconfigure this block based on the mutator dialog's components.
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* @param {!Block} containerBlock Root block in mutator.
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* @this {Block}
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*/
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compose: function(containerBlock) {
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let itemBlock = containerBlock.getInputTargetBlock('STACK');
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// Count number of inputs.
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const connections = [];
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while (itemBlock) {
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if (itemBlock.isInsertionMarker()) {
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itemBlock = itemBlock.getNextBlock();
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continue;
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}
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connections.push(itemBlock.valueConnection_);
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itemBlock = itemBlock.getNextBlock();
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}
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// Disconnect any children that don't belong.
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for (let i = 0; i < this.itemCount_; i++) {
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const connection = this.getInput('ADD' + i).connection.targetConnection;
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if (connection && connections.indexOf(connection) === -1) {
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connection.disconnect();
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}
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}
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this.itemCount_ = connections.length;
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this.updateShape_();
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// Reconnect any child blocks.
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for (let i = 0; i < this.itemCount_; i++) {
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Mutator.reconnect(connections[i], this, 'ADD' + i);
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}
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},
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/**
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* Store pointers to any connected child blocks.
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* @param {!Block} containerBlock Root block in mutator.
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* @this {Block}
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*/
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saveConnections: function(containerBlock) {
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let itemBlock = containerBlock.getInputTargetBlock('STACK');
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let i = 0;
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while (itemBlock) {
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if (itemBlock.isInsertionMarker()) {
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itemBlock = itemBlock.getNextBlock();
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continue;
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}
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const input = this.getInput('ADD' + i);
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itemBlock.valueConnection_ = input && input.connection.targetConnection;
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itemBlock = itemBlock.getNextBlock();
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i++;
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}
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},
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/**
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* Modify this block to have the correct number of inputs.
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* @private
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* @this {Block}
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*/
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updateShape_: function() {
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if (this.itemCount_ && this.getInput('EMPTY')) {
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this.removeInput('EMPTY');
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} else if (!this.itemCount_ && !this.getInput('EMPTY')) {
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this.appendDummyInput('EMPTY').appendField(
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Msg['LISTS_CREATE_EMPTY_TITLE']);
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}
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// Add new inputs.
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for (let i = 0; i < this.itemCount_; i++) {
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if (!this.getInput('ADD' + i)) {
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const input = this.appendValueInput('ADD' + i).setAlign(Align.RIGHT);
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if (i === 0) {
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input.appendField(Msg['LISTS_CREATE_WITH_INPUT_WITH']);
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}
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}
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}
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// Remove deleted inputs.
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for (let i = this.itemCount_; this.getInput('ADD' + i); i++) {
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this.removeInput('ADD' + i);
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}
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},
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};
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blocks['lists_create_with_container'] = {
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/**
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* Mutator block for list container.
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* @this {Block}
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*/
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init: function() {
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this.setStyle('list_blocks');
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this.appendDummyInput().appendField(
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Msg['LISTS_CREATE_WITH_CONTAINER_TITLE_ADD']);
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this.appendStatementInput('STACK');
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this.setTooltip(Msg['LISTS_CREATE_WITH_CONTAINER_TOOLTIP']);
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this.contextMenu = false;
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},
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};
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blocks['lists_create_with_item'] = {
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/**
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* Mutator block for adding items.
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* @this {Block}
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*/
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init: function() {
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this.setStyle('list_blocks');
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this.appendDummyInput().appendField(Msg['LISTS_CREATE_WITH_ITEM_TITLE']);
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this.setPreviousStatement(true);
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this.setNextStatement(true);
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this.setTooltip(Msg['LISTS_CREATE_WITH_ITEM_TOOLTIP']);
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this.contextMenu = false;
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},
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};
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blocks['lists_indexOf'] = {
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/**
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* Block for finding an item in the list.
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* @this {Block}
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*/
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init: function() {
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const OPERATORS = [
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[Msg['LISTS_INDEX_OF_FIRST'], 'FIRST'],
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[Msg['LISTS_INDEX_OF_LAST'], 'LAST'],
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];
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this.setHelpUrl(Msg['LISTS_INDEX_OF_HELPURL']);
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this.setStyle('list_blocks');
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this.setOutput(true, 'Number');
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this.appendValueInput('VALUE').setCheck('Array').appendField(
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Msg['LISTS_INDEX_OF_INPUT_IN_LIST']);
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this.appendValueInput('FIND').appendField(
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new FieldDropdown(OPERATORS), 'END');
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this.setInputsInline(true);
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// Assign 'this' to a variable for use in the tooltip closure below.
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const thisBlock = this;
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this.setTooltip(function() {
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return Msg['LISTS_INDEX_OF_TOOLTIP'].replace(
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'%1', thisBlock.workspace.options.oneBasedIndex ? '0' : '-1');
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});
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},
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};
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blocks['lists_getIndex'] = {
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/**
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* Block for getting element at index.
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* @this {Block}
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*/
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init: function() {
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const MODE = [
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[Msg['LISTS_GET_INDEX_GET'], 'GET'],
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[Msg['LISTS_GET_INDEX_GET_REMOVE'], 'GET_REMOVE'],
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[Msg['LISTS_GET_INDEX_REMOVE'], 'REMOVE'],
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];
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this.WHERE_OPTIONS = [
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[Msg['LISTS_GET_INDEX_FROM_START'], 'FROM_START'],
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[Msg['LISTS_GET_INDEX_FROM_END'], 'FROM_END'],
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[Msg['LISTS_GET_INDEX_FIRST'], 'FIRST'],
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[Msg['LISTS_GET_INDEX_LAST'], 'LAST'],
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[Msg['LISTS_GET_INDEX_RANDOM'], 'RANDOM'],
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];
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this.setHelpUrl(Msg['LISTS_GET_INDEX_HELPURL']);
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this.setStyle('list_blocks');
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const modeMenu = new FieldDropdown(
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MODE,
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/**
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* @param {*} value The input value.
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* @this {FieldDropdown}
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*/
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function(value) {
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const isStatement = (value === 'REMOVE');
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this.getSourceBlock().updateStatement_(isStatement);
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});
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this.appendValueInput('VALUE').setCheck('Array').appendField(
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Msg['LISTS_GET_INDEX_INPUT_IN_LIST']);
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this.appendDummyInput()
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.appendField(modeMenu, 'MODE')
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.appendField('', 'SPACE');
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this.appendDummyInput('AT');
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if (Msg['LISTS_GET_INDEX_TAIL']) {
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this.appendDummyInput('TAIL').appendField(Msg['LISTS_GET_INDEX_TAIL']);
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}
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this.setInputsInline(true);
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this.setOutput(true);
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this.updateAt_(true);
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// Assign 'this' to a variable for use in the tooltip closure below.
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const thisBlock = this;
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this.setTooltip(function() {
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const mode = thisBlock.getFieldValue('MODE');
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const where = thisBlock.getFieldValue('WHERE');
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let tooltip = '';
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switch (mode + ' ' + where) {
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case 'GET FROM_START':
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case 'GET FROM_END':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_FROM'];
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break;
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case 'GET FIRST':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_FIRST'];
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break;
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case 'GET LAST':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_LAST'];
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break;
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case 'GET RANDOM':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_RANDOM'];
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break;
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case 'GET_REMOVE FROM_START':
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case 'GET_REMOVE FROM_END':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM'];
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break;
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case 'GET_REMOVE FIRST':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST'];
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break;
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case 'GET_REMOVE LAST':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST'];
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break;
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case 'GET_REMOVE RANDOM':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM'];
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break;
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case 'REMOVE FROM_START':
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case 'REMOVE FROM_END':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM'];
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break;
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case 'REMOVE FIRST':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST'];
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break;
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case 'REMOVE LAST':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST'];
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break;
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case 'REMOVE RANDOM':
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tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM'];
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break;
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}
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if (where === 'FROM_START' || where === 'FROM_END') {
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const msg = (where === 'FROM_START') ?
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Msg['LISTS_INDEX_FROM_START_TOOLTIP'] :
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Msg['LISTS_INDEX_FROM_END_TOOLTIP'];
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tooltip += ' ' +
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msg.replace(
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'%1', thisBlock.workspace.options.oneBasedIndex ? '#1' : '#0');
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}
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return tooltip;
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});
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},
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/**
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* Create XML to represent whether the block is a statement or a value.
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* Also represent whether there is an 'AT' input.
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* @return {!Element} XML storage element.
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* @this {Block}
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*/
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mutationToDom: function() {
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const container = xmlUtils.createElement('mutation');
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const isStatement = !this.outputConnection;
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container.setAttribute('statement', isStatement);
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const isAt = this.getInput('AT').type === ConnectionType.INPUT_VALUE;
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container.setAttribute('at', isAt);
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return container;
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},
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/**
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* Parse XML to restore the 'AT' input.
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* @param {!Element} xmlElement XML storage element.
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* @this {Block}
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*/
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domToMutation: function(xmlElement) {
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// Note: Until January 2013 this block did not have mutations,
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// so 'statement' defaults to false and 'at' defaults to true.
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const isStatement = (xmlElement.getAttribute('statement') === 'true');
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this.updateStatement_(isStatement);
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const isAt = (xmlElement.getAttribute('at') !== 'false');
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this.updateAt_(isAt);
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},
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/**
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* Returns the state of this block as a JSON serializable object.
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* Returns null for efficiency if no state is needed (not a statement)
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* @return {?{isStatement: boolean}} The state of this block, ie whether it's
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* a statement.
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*/
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saveExtraState: function() {
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if (!this.outputConnection) {
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return {
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'isStatement': true,
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};
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}
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return null;
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},
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/**
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* Applies the given state to this block.
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* @param {*} state The state to apply to this block, ie whether it's a
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* statement.
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*/
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loadExtraState: function(state) {
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if (state['isStatement']) {
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this.updateStatement_(true);
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} else if (typeof state === 'string') {
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// backward compatible for json serialised mutations
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this.domToMutation(Xml.textToDom(state));
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}
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},
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/**
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* Switch between a value block and a statement block.
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* @param {boolean} newStatement True if the block should be a statement.
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* False if the block should be a value.
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* @private
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* @this {Block}
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*/
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updateStatement_: function(newStatement) {
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const oldStatement = !this.outputConnection;
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if (newStatement !== oldStatement) {
|
|
this.unplug(true, true);
|
|
if (newStatement) {
|
|
this.setOutput(false);
|
|
this.setPreviousStatement(true);
|
|
this.setNextStatement(true);
|
|
} else {
|
|
this.setPreviousStatement(false);
|
|
this.setNextStatement(false);
|
|
this.setOutput(true);
|
|
}
|
|
}
|
|
},
|
|
/**
|
|
* Create or delete an input for the numeric index.
|
|
* @param {boolean} isAt True if the input should exist.
|
|
* @private
|
|
* @this {Block}
|
|
*/
|
|
updateAt_: function(isAt) {
|
|
// Destroy old 'AT' and 'ORDINAL' inputs.
|
|
this.removeInput('AT');
|
|
this.removeInput('ORDINAL', true);
|
|
// Create either a value 'AT' input or a dummy input.
|
|
if (isAt) {
|
|
this.appendValueInput('AT').setCheck('Number');
|
|
if (Msg['ORDINAL_NUMBER_SUFFIX']) {
|
|
this.appendDummyInput('ORDINAL').appendField(
|
|
Msg['ORDINAL_NUMBER_SUFFIX']);
|
|
}
|
|
} else {
|
|
this.appendDummyInput('AT');
|
|
}
|
|
const menu = new FieldDropdown(
|
|
this.WHERE_OPTIONS,
|
|
/**
|
|
* @param {*} value The input value.
|
|
* @this {FieldDropdown}
|
|
* @return {null|undefined} Null if the field has been replaced;
|
|
* otherwise undefined.
|
|
*/
|
|
function(value) {
|
|
const newAt = (value === 'FROM_START') || (value === 'FROM_END');
|
|
// The 'isAt' variable is available due to this function being a
|
|
// closure.
|
|
if (newAt !== isAt) {
|
|
const block = this.getSourceBlock();
|
|
block.updateAt_(newAt);
|
|
// This menu has been destroyed and replaced. Update the
|
|
// replacement.
|
|
block.setFieldValue(value, 'WHERE');
|
|
return null;
|
|
}
|
|
return undefined;
|
|
});
|
|
this.getInput('AT').appendField(menu, 'WHERE');
|
|
if (Msg['LISTS_GET_INDEX_TAIL']) {
|
|
this.moveInputBefore('TAIL', null);
|
|
}
|
|
},
|
|
};
|
|
|
|
blocks['lists_setIndex'] = {
|
|
/**
|
|
* Block for setting the element at index.
|
|
* @this {Block}
|
|
*/
|
|
init: function() {
|
|
const MODE = [
|
|
[Msg['LISTS_SET_INDEX_SET'], 'SET'],
|
|
[Msg['LISTS_SET_INDEX_INSERT'], 'INSERT'],
|
|
];
|
|
this.WHERE_OPTIONS = [
|
|
[Msg['LISTS_GET_INDEX_FROM_START'], 'FROM_START'],
|
|
[Msg['LISTS_GET_INDEX_FROM_END'], 'FROM_END'],
|
|
[Msg['LISTS_GET_INDEX_FIRST'], 'FIRST'],
|
|
[Msg['LISTS_GET_INDEX_LAST'], 'LAST'],
|
|
[Msg['LISTS_GET_INDEX_RANDOM'], 'RANDOM'],
|
|
];
|
|
this.setHelpUrl(Msg['LISTS_SET_INDEX_HELPURL']);
|
|
this.setStyle('list_blocks');
|
|
this.appendValueInput('LIST').setCheck('Array').appendField(
|
|
Msg['LISTS_SET_INDEX_INPUT_IN_LIST']);
|
|
this.appendDummyInput()
|
|
.appendField(new FieldDropdown(MODE), 'MODE')
|
|
.appendField('', 'SPACE');
|
|
this.appendDummyInput('AT');
|
|
this.appendValueInput('TO').appendField(Msg['LISTS_SET_INDEX_INPUT_TO']);
|
|
this.setInputsInline(true);
|
|
this.setPreviousStatement(true);
|
|
this.setNextStatement(true);
|
|
this.setTooltip(Msg['LISTS_SET_INDEX_TOOLTIP']);
|
|
this.updateAt_(true);
|
|
// Assign 'this' to a variable for use in the tooltip closure below.
|
|
const thisBlock = this;
|
|
this.setTooltip(function() {
|
|
const mode = thisBlock.getFieldValue('MODE');
|
|
const where = thisBlock.getFieldValue('WHERE');
|
|
let tooltip = '';
|
|
switch (mode + ' ' + where) {
|
|
case 'SET FROM_START':
|
|
case 'SET FROM_END':
|
|
tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_SET_FROM'];
|
|
break;
|
|
case 'SET FIRST':
|
|
tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_SET_FIRST'];
|
|
break;
|
|
case 'SET LAST':
|
|
tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_SET_LAST'];
|
|
break;
|
|
case 'SET RANDOM':
|
|
tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_SET_RANDOM'];
|
|
break;
|
|
case 'INSERT FROM_START':
|
|
case 'INSERT FROM_END':
|
|
tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_FROM'];
|
|
break;
|
|
case 'INSERT FIRST':
|
|
tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST'];
|
|
break;
|
|
case 'INSERT LAST':
|
|
tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_LAST'];
|
|
break;
|
|
case 'INSERT RANDOM':
|
|
tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM'];
|
|
break;
|
|
}
|
|
if (where === 'FROM_START' || where === 'FROM_END') {
|
|
tooltip += ' ' +
|
|
Msg['LISTS_INDEX_FROM_START_TOOLTIP'].replace(
|
|
'%1', thisBlock.workspace.options.oneBasedIndex ? '#1' : '#0');
|
|
}
|
|
return tooltip;
|
|
});
|
|
},
|
|
/**
|
|
* Create XML to represent whether there is an 'AT' input.
|
|
* @return {!Element} XML storage element.
|
|
* @this {Block}
|
|
*/
|
|
mutationToDom: function() {
|
|
const container = xmlUtils.createElement('mutation');
|
|
const isAt = this.getInput('AT').type === ConnectionType.INPUT_VALUE;
|
|
container.setAttribute('at', isAt);
|
|
return container;
|
|
},
|
|
/**
|
|
* Parse XML to restore the 'AT' input.
|
|
* @param {!Element} xmlElement XML storage element.
|
|
* @this {Block}
|
|
*/
|
|
domToMutation: function(xmlElement) {
|
|
// Note: Until January 2013 this block did not have mutations,
|
|
// so 'at' defaults to true.
|
|
const isAt = (xmlElement.getAttribute('at') !== 'false');
|
|
this.updateAt_(isAt);
|
|
},
|
|
|
|
/**
|
|
* Returns the state of this block as a JSON serializable object.
|
|
* This block does not need to serialize any specific state as it is already
|
|
* encoded in the dropdown values, but must have an implementation to avoid
|
|
* the backward compatible XML mutations being serialized.
|
|
* @return {null} The state of this block.
|
|
*/
|
|
saveExtraState: function() {
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Applies the given state to this block.
|
|
* No extra state is needed or expected as it is already encoded in the
|
|
* dropdown values.
|
|
*/
|
|
loadExtraState: function() {},
|
|
|
|
/**
|
|
* Create or delete an input for the numeric index.
|
|
* @param {boolean} isAt True if the input should exist.
|
|
* @private
|
|
* @this {Block}
|
|
*/
|
|
updateAt_: function(isAt) {
|
|
// Destroy old 'AT' and 'ORDINAL' input.
|
|
this.removeInput('AT');
|
|
this.removeInput('ORDINAL', true);
|
|
// Create either a value 'AT' input or a dummy input.
|
|
if (isAt) {
|
|
this.appendValueInput('AT').setCheck('Number');
|
|
if (Msg['ORDINAL_NUMBER_SUFFIX']) {
|
|
this.appendDummyInput('ORDINAL').appendField(
|
|
Msg['ORDINAL_NUMBER_SUFFIX']);
|
|
}
|
|
} else {
|
|
this.appendDummyInput('AT');
|
|
}
|
|
const menu = new FieldDropdown(
|
|
this.WHERE_OPTIONS,
|
|
/**
|
|
* @param {*} value The input value.
|
|
* @this {FieldDropdown}
|
|
* @return {null|undefined} Null if the field has been replaced;
|
|
* otherwise undefined.
|
|
*/
|
|
function(value) {
|
|
const newAt = (value === 'FROM_START') || (value === 'FROM_END');
|
|
// The 'isAt' variable is available due to this function being a
|
|
// closure.
|
|
if (newAt !== isAt) {
|
|
const block = this.getSourceBlock();
|
|
block.updateAt_(newAt);
|
|
// This menu has been destroyed and replaced. Update the
|
|
// replacement.
|
|
block.setFieldValue(value, 'WHERE');
|
|
return null;
|
|
}
|
|
return undefined;
|
|
});
|
|
this.moveInputBefore('AT', 'TO');
|
|
if (this.getInput('ORDINAL')) {
|
|
this.moveInputBefore('ORDINAL', 'TO');
|
|
}
|
|
|
|
this.getInput('AT').appendField(menu, 'WHERE');
|
|
},
|
|
};
|
|
|
|
blocks['lists_getSublist'] = {
|
|
/**
|
|
* Block for getting sublist.
|
|
* @this {Block}
|
|
*/
|
|
init: function() {
|
|
this['WHERE_OPTIONS_1'] = [
|
|
[Msg['LISTS_GET_SUBLIST_START_FROM_START'], 'FROM_START'],
|
|
[Msg['LISTS_GET_SUBLIST_START_FROM_END'], 'FROM_END'],
|
|
[Msg['LISTS_GET_SUBLIST_START_FIRST'], 'FIRST'],
|
|
];
|
|
this['WHERE_OPTIONS_2'] = [
|
|
[Msg['LISTS_GET_SUBLIST_END_FROM_START'], 'FROM_START'],
|
|
[Msg['LISTS_GET_SUBLIST_END_FROM_END'], 'FROM_END'],
|
|
[Msg['LISTS_GET_SUBLIST_END_LAST'], 'LAST'],
|
|
];
|
|
this.setHelpUrl(Msg['LISTS_GET_SUBLIST_HELPURL']);
|
|
this.setStyle('list_blocks');
|
|
this.appendValueInput('LIST').setCheck('Array').appendField(
|
|
Msg['LISTS_GET_SUBLIST_INPUT_IN_LIST']);
|
|
this.appendDummyInput('AT1');
|
|
this.appendDummyInput('AT2');
|
|
if (Msg['LISTS_GET_SUBLIST_TAIL']) {
|
|
this.appendDummyInput('TAIL').appendField(Msg['LISTS_GET_SUBLIST_TAIL']);
|
|
}
|
|
this.setInputsInline(true);
|
|
this.setOutput(true, 'Array');
|
|
this.updateAt_(1, true);
|
|
this.updateAt_(2, true);
|
|
this.setTooltip(Msg['LISTS_GET_SUBLIST_TOOLTIP']);
|
|
},
|
|
/**
|
|
* Create XML to represent whether there are 'AT' inputs.
|
|
* @return {!Element} XML storage element.
|
|
* @this {Block}
|
|
*/
|
|
mutationToDom: function() {
|
|
const container = xmlUtils.createElement('mutation');
|
|
const isAt1 = this.getInput('AT1').type === ConnectionType.INPUT_VALUE;
|
|
container.setAttribute('at1', isAt1);
|
|
const isAt2 = this.getInput('AT2').type === ConnectionType.INPUT_VALUE;
|
|
container.setAttribute('at2', isAt2);
|
|
return container;
|
|
},
|
|
/**
|
|
* Parse XML to restore the 'AT' inputs.
|
|
* @param {!Element} xmlElement XML storage element.
|
|
* @this {Block}
|
|
*/
|
|
domToMutation: function(xmlElement) {
|
|
const isAt1 = (xmlElement.getAttribute('at1') === 'true');
|
|
const isAt2 = (xmlElement.getAttribute('at2') === 'true');
|
|
this.updateAt_(1, isAt1);
|
|
this.updateAt_(2, isAt2);
|
|
},
|
|
|
|
/**
|
|
* Returns the state of this block as a JSON serializable object.
|
|
* This block does not need to serialize any specific state as it is already
|
|
* encoded in the dropdown values, but must have an implementation to avoid
|
|
* the backward compatible XML mutations being serialized.
|
|
* @return {null} The state of this block.
|
|
*/
|
|
saveExtraState: function() {
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Applies the given state to this block.
|
|
* No extra state is needed or expected as it is already encoded in the
|
|
* dropdown values.
|
|
*/
|
|
loadExtraState: function() {},
|
|
|
|
/**
|
|
* Create or delete an input for a numeric index.
|
|
* This block has two such inputs, independent of each other.
|
|
* @param {number} n Specify first or second input (1 or 2).
|
|
* @param {boolean} isAt True if the input should exist.
|
|
* @private
|
|
* @this {Block}
|
|
*/
|
|
updateAt_: function(n, isAt) {
|
|
// Create or delete an input for the numeric index.
|
|
// Destroy old 'AT' and 'ORDINAL' inputs.
|
|
this.removeInput('AT' + n);
|
|
this.removeInput('ORDINAL' + n, true);
|
|
// Create either a value 'AT' input or a dummy input.
|
|
if (isAt) {
|
|
this.appendValueInput('AT' + n).setCheck('Number');
|
|
if (Msg['ORDINAL_NUMBER_SUFFIX']) {
|
|
this.appendDummyInput('ORDINAL' + n)
|
|
.appendField(Msg['ORDINAL_NUMBER_SUFFIX']);
|
|
}
|
|
} else {
|
|
this.appendDummyInput('AT' + n);
|
|
}
|
|
const menu = new FieldDropdown(
|
|
this['WHERE_OPTIONS_' + n],
|
|
/**
|
|
* @param {*} value The input value.
|
|
* @this {FieldDropdown}
|
|
* @return {null|undefined} Null if the field has been replaced;
|
|
* otherwise undefined.
|
|
*/
|
|
function(value) {
|
|
const newAt = (value === 'FROM_START') || (value === 'FROM_END');
|
|
// The 'isAt' variable is available due to this function being a
|
|
// closure.
|
|
if (newAt !== isAt) {
|
|
const block = this.getSourceBlock();
|
|
block.updateAt_(n, newAt);
|
|
// This menu has been destroyed and replaced.
|
|
// Update the replacement.
|
|
block.setFieldValue(value, 'WHERE' + n);
|
|
return null;
|
|
}
|
|
});
|
|
this.getInput('AT' + n).appendField(menu, 'WHERE' + n);
|
|
if (n === 1) {
|
|
this.moveInputBefore('AT1', 'AT2');
|
|
if (this.getInput('ORDINAL1')) {
|
|
this.moveInputBefore('ORDINAL1', 'AT2');
|
|
}
|
|
}
|
|
if (Msg['LISTS_GET_SUBLIST_TAIL']) {
|
|
this.moveInputBefore('TAIL', null);
|
|
}
|
|
},
|
|
};
|
|
|
|
blocks['lists_sort'] = {
|
|
/**
|
|
* Block for sorting a list.
|
|
* @this {Block}
|
|
*/
|
|
init: function() {
|
|
this.jsonInit({
|
|
'message0': '%{BKY_LISTS_SORT_TITLE}',
|
|
'args0': [
|
|
{
|
|
'type': 'field_dropdown',
|
|
'name': 'TYPE',
|
|
'options': [
|
|
['%{BKY_LISTS_SORT_TYPE_NUMERIC}', 'NUMERIC'],
|
|
['%{BKY_LISTS_SORT_TYPE_TEXT}', 'TEXT'],
|
|
['%{BKY_LISTS_SORT_TYPE_IGNORECASE}', 'IGNORE_CASE'],
|
|
],
|
|
},
|
|
{
|
|
'type': 'field_dropdown',
|
|
'name': 'DIRECTION',
|
|
'options': [
|
|
['%{BKY_LISTS_SORT_ORDER_ASCENDING}', '1'],
|
|
['%{BKY_LISTS_SORT_ORDER_DESCENDING}', '-1'],
|
|
],
|
|
},
|
|
{
|
|
'type': 'input_value',
|
|
'name': 'LIST',
|
|
'check': 'Array',
|
|
},
|
|
],
|
|
'output': 'Array',
|
|
'style': 'list_blocks',
|
|
'tooltip': '%{BKY_LISTS_SORT_TOOLTIP}',
|
|
'helpUrl': '%{BKY_LISTS_SORT_HELPURL}',
|
|
});
|
|
},
|
|
};
|
|
|
|
blocks['lists_split'] = {
|
|
/**
|
|
* Block for splitting text into a list, or joining a list into text.
|
|
* @this {Block}
|
|
*/
|
|
init: function() {
|
|
// Assign 'this' to a variable for use in the closures below.
|
|
const thisBlock = this;
|
|
const dropdown = new FieldDropdown(
|
|
[
|
|
[Msg['LISTS_SPLIT_LIST_FROM_TEXT'], 'SPLIT'],
|
|
[Msg['LISTS_SPLIT_TEXT_FROM_LIST'], 'JOIN'],
|
|
],
|
|
function(newMode) {
|
|
thisBlock.updateType_(newMode);
|
|
});
|
|
this.setHelpUrl(Msg['LISTS_SPLIT_HELPURL']);
|
|
this.setStyle('list_blocks');
|
|
this.appendValueInput('INPUT').setCheck('String').appendField(
|
|
dropdown, 'MODE');
|
|
this.appendValueInput('DELIM').setCheck('String').appendField(
|
|
Msg['LISTS_SPLIT_WITH_DELIMITER']);
|
|
this.setInputsInline(true);
|
|
this.setOutput(true, 'Array');
|
|
this.setTooltip(function() {
|
|
const mode = thisBlock.getFieldValue('MODE');
|
|
if (mode === 'SPLIT') {
|
|
return Msg['LISTS_SPLIT_TOOLTIP_SPLIT'];
|
|
} else if (mode === 'JOIN') {
|
|
return Msg['LISTS_SPLIT_TOOLTIP_JOIN'];
|
|
}
|
|
throw Error('Unknown mode: ' + mode);
|
|
});
|
|
},
|
|
/**
|
|
* Modify this block to have the correct input and output types.
|
|
* @param {string} newMode Either 'SPLIT' or 'JOIN'.
|
|
* @private
|
|
* @this {Block}
|
|
*/
|
|
updateType_: function(newMode) {
|
|
const mode = this.getFieldValue('MODE');
|
|
if (mode !== newMode) {
|
|
const inputConnection = this.getInput('INPUT').connection;
|
|
inputConnection.setShadowDom(null);
|
|
const inputBlock = inputConnection.targetBlock();
|
|
if (inputBlock) {
|
|
inputConnection.disconnect();
|
|
if (inputBlock.isShadow()) {
|
|
inputBlock.dispose();
|
|
} else {
|
|
this.bumpNeighbours();
|
|
}
|
|
}
|
|
}
|
|
if (newMode === 'SPLIT') {
|
|
this.outputConnection.setCheck('Array');
|
|
this.getInput('INPUT').setCheck('String');
|
|
} else {
|
|
this.outputConnection.setCheck('String');
|
|
this.getInput('INPUT').setCheck('Array');
|
|
}
|
|
},
|
|
/**
|
|
* Create XML to represent the input and output types.
|
|
* @return {!Element} XML storage element.
|
|
* @this {Block}
|
|
*/
|
|
mutationToDom: function() {
|
|
const container = xmlUtils.createElement('mutation');
|
|
container.setAttribute('mode', this.getFieldValue('MODE'));
|
|
return container;
|
|
},
|
|
/**
|
|
* Parse XML to restore the input and output types.
|
|
* @param {!Element} xmlElement XML storage element.
|
|
* @this {Block}
|
|
*/
|
|
domToMutation: function(xmlElement) {
|
|
this.updateType_(xmlElement.getAttribute('mode'));
|
|
},
|
|
|
|
/**
|
|
* Returns the state of this block as a JSON serializable object.
|
|
* This block does not need to serialize any specific state as it is already
|
|
* encoded in the dropdown values, but must have an implementation to avoid
|
|
* the backward compatible XML mutations being serialized.
|
|
* @return {null} The state of this block.
|
|
*/
|
|
saveExtraState: function() {
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Applies the given state to this block.
|
|
* No extra state is needed or expected as it is already encoded in the
|
|
* dropdown values.
|
|
*/
|
|
loadExtraState: function() {},
|
|
};
|
|
|
|
// Register provided blocks.
|
|
defineBlocks(blocks);
|