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https://github.com/google/blockly.git
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84 lines
2.2 KiB
JavaScript
84 lines
2.2 KiB
JavaScript
/**
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* @license
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* Copyright 2019 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 Object representing a row that holds one or more inputs on a
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* rendered block.
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*/
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/**
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* Object representing a row that holds one or more inputs on a
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* rendered block.
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* @class
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*/
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goog.module('Blockly.blockRendering.InputRow');
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const object = goog.require('Blockly.utils.object');
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/* eslint-disable-next-line no-unused-vars */
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const {ConstantProvider} = goog.requireType('Blockly.blockRendering.ConstantProvider');
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const {Row} = goog.require('Blockly.blockRendering.Row');
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const {Types} = goog.require('Blockly.blockRendering.Types');
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/**
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* An object containing information about a row that holds one or more inputs.
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* @param {!ConstantProvider} constants The rendering
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* constants provider.
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* @package
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* @constructor
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* @extends {Row}
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* @alias Blockly.blockRendering.InputRow
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*/
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const InputRow = function(constants) {
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InputRow.superClass_.constructor.call(this, constants);
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this.type |= Types.INPUT_ROW;
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/**
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* The total width of all blocks connected to this row.
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* @type {number}
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* @package
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*/
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this.connectedBlockWidths = 0;
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};
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object.inherits(InputRow, Row);
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/**
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* Inspect all subcomponents and populate all size properties on the row.
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* @package
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*/
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InputRow.prototype.measure = function() {
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this.width = this.minWidth;
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this.height = this.minHeight;
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let connectedBlockWidths = 0;
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for (let i = 0; i < this.elements.length; i++) {
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const elem = this.elements[i];
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this.width += elem.width;
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if (Types.isInput(elem)) {
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if (Types.isStatementInput(elem)) {
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connectedBlockWidths += elem.connectedBlockWidth;
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} else if (
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Types.isExternalInput(elem) && elem.connectedBlockWidth !== 0) {
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connectedBlockWidths +=
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(elem.connectedBlockWidth - elem.connectionWidth);
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}
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}
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if (!(Types.isSpacer(elem))) {
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this.height = Math.max(this.height, elem.height);
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}
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}
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this.connectedBlockWidths = connectedBlockWidths;
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this.widthWithConnectedBlocks = this.width + connectedBlockWidths;
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};
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/**
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* @override
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*/
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InputRow.prototype.endsWithElemSpacer = function() {
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return !this.hasExternalInput && !this.hasStatement;
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};
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exports.InputRow = InputRow;
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