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90b3f75d82
Our files are up to a decade old, and have churned so much, that the initial author of the file no longer has much meaning. Furthermore, this will encourage developers to post to the developer group, rather than emailing Googlers (usually me) directly.
103 lines
2.7 KiB
JavaScript
103 lines
2.7 KiB
JavaScript
/**
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* @license
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* Copyright 2016 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 Javascript for the Block Exporter View class. Reads from and
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* manages a block selector through which users select blocks to export.
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*
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*/
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'use strict';
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/**
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* BlockExporter View Class
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* @param {!Object} blockOptions Map of block types to BlockOption objects.
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* @constructor
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*/
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function BlockExporterView(blockOptions) {
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// Map of block types to BlockOption objects to select from.
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this.blockOptions = blockOptions;
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};
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/**
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* Set the block options in the selector of this instance of
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* BlockExporterView.
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* @param {!Object} blockOptions Map of block types to BlockOption objects.
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*/
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BlockExporterView.prototype.setBlockOptions = function(blockOptions) {
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this.blockOptions = blockOptions;
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};
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/**
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* Updates the helper text to show list of currently selected blocks.
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*/
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BlockExporterView.prototype.listSelectedBlocks = function() {
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var selectedBlocksText = this.getSelectedBlockTypes().join(",\n ");
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document.getElementById('selectedBlocksText').textContent = selectedBlocksText;
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};
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/**
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* Selects a given block type in the selector.
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* @param {string} blockType Type of block to selector.
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*/
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BlockExporterView.prototype.select = function(blockType) {
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this.blockOptions[blockType].setSelected(true);
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};
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/**
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* Deselects a block in the selector.
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* @param {!Blockly.Block} block Type of block to add to selector workspace.
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*/
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BlockExporterView.prototype.deselect = function(blockType) {
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this.blockOptions[blockType].setSelected(false);
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};
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/**
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* Deselects all blocks.
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*/
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BlockExporterView.prototype.deselectAllBlocks = function() {
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for (var blockType in this.blockOptions) {
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this.deselect(blockType);
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}
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};
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/**
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* Given an array of selected blocks, selects these blocks in the view, marking
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* the checkboxes accordingly.
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* @param {Array<Blockly.Block>} blockTypes Array of block types to select.
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*/
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BlockExporterView.prototype.setSelectedBlockTypes = function(blockTypes) {
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for (var i = 0, blockType; blockType = blockTypes[i]; i++) {
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this.select(blockType);
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}
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};
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/**
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* Returns array of selected blocks.
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* @return {!Array<string>} Array of all selected block types.
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*/
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BlockExporterView.prototype.getSelectedBlockTypes = function() {
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var selectedTypes = [];
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for (var blockType in this.blockOptions) {
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var blockOption = this.blockOptions[blockType];
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if (blockOption.isSelected()) {
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selectedTypes.push(blockType);
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}
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}
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return selectedTypes;
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};
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/**
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* Centers the preview block of each block option in the exporter selector.
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*/
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BlockExporterView.prototype.centerPreviewBlocks = function() {
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for (var blockType in this.blockOptions) {
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this.blockOptions[blockType].centerBlock();
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}
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};
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