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activity.js
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// Copyright (c) 2014-22 Walter Bender
// Copyright (c) Yash Khandelwal, GSoC'15
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the The GNU Affero General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// You should have received a copy of the GNU Affero General Public
// License along with this library; if not, write to the Free Software
// Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
//
// Note: This code is inspired by the Python Turtle Blocks project
// (https://github.com/walterbender/turtleart), but implemented from
// scratch. -- Walter Bender, October 2014.
/*
globals
_, ALTO, analyzeProject, BASS, BIGGERBUTTON, BIGGERDISABLEBUTTON,
Blocks, Boundary, CARTESIAN, changeImage, closeWidgets,
COLLAPSEBLOCKSBUTTON, COLLAPSEBUTTON, createDefaultStack,
createHelpContent, createjs, DATAOBJS, DEFAULTBLOCKSCALE,
DEFAULTDELAY, define, doBrowserCheck, doBrowserCheck, docByClass,
docById, doSVG, EMPTYHEAPERRORMSG, EXPANDBUTTON, FILLCOLORS,
getMacroExpansion, getOctaveRatio, getTemperament, GOHOMEBUTTON,
GOHOMEFADEDBUTTON, GRAND, HelpWidget, HIDEBLOCKSFADEDBUTTON,
hideDOMLabel, initBasicProtoBlocks, initPalettes,
INLINECOLLAPSIBLES, jQuery, JSEditor, LanguageBox, Logo, MSGBLOCK,
NANERRORMSG, NOACTIONERRORMSG, NOBOXERRORMSG, NOINPUTERRORMSG,
NOMICERRORMSG, NOSQRTERRORMSG, NOSTRINGERRORMSG, PALETTEFILLCOLORS,
PALETTESTROKECOLORS, PALETTEHIGHLIGHTCOLORS, HIGHLIGHTSTROKECOLORS,
Palettes, PasteBox, PlanetInterface, platform, platformColor,
piemenuKey, POLAR, preparePluginExports, processMacroData,
processPluginData, processRawPluginData, require, SaveInterface,
SHOWBLOCKSBUTTON, SMALLERBUTTON, SMALLERDISABLEBUTTON, SOPRANO,
SPECIALINPUTS, STANDARDBLOCKHEIGHT, StatsWindow, STROKECOLORS,
TENOR, TITLESTRING, Toolbar, Trashcan, TREBLE, Turtles, TURTLESVG,
updatePluginObj, ZERODIVIDEERRORMSG, GRAND_G, GRAND_F,
SHARP, FLAT, buildScale, TREBLE_F, TREBLE_G
*/
/*
exported
Activity, LEADING, _THIS_IS_MUSIC_BLOCKS_, _THIS_IS_TURTLE_BLOCKS_,
globalActivity, hideArrows, doAnalyzeProject
*/
const LEADING = 0;
const BLOCKSCALES = [1, 1.5, 2, 3, 4];
const _THIS_IS_MUSIC_BLOCKS_ = true;
const _THIS_IS_TURTLE_BLOCKS_ = !_THIS_IS_MUSIC_BLOCKS_;
const _ERRORMSGTIMEOUT_ = 15000;
const _MSGTIMEOUT_ = 60000;
let MYDEFINES = [
"utils/platformstyle",
"easeljs.min",
"tweenjs.min",
"preloadjs.min",
"howler",
"p5.min",
"p5.sound.min",
"p5.dom.min",
// 'mespeak',
"Chart",
"utils/utils",
"activity/artwork",
"widgets/status",
"widgets/help",
"utils/munsell",
"activity/toolbar",
"activity/trash",
"activity/boundary",
"activity/palette",
"activity/protoblocks",
"activity/blocks",
"activity/block",
"activity/turtledefs",
"activity/notation",
"activity/logo",
"activity/turtle",
"activity/turtles",
"activity/turtle-singer",
"activity/turtle-painter",
"activity/languagebox",
"activity/basicblocks",
"activity/blockfactory",
"activity/piemenus",
"activity/planetInterface",
"activity/rubrics",
"activity/macros",
"activity/SaveInterface",
"utils/musicutils",
"utils/synthutils",
"utils/mathutils",
"activity/pastebox",
"prefixfree.min",
"Tone",
"activity/js-export/samples/sample",
"activity/js-export/export",
"activity/js-export/interface",
"activity/js-export/constraints",
"activity/js-export/ASTutils",
"activity/js-export/generate",
"activity/js-export/API/GraphicsBlocksAPI",
"activity/js-export/API/PenBlocksAPI",
"activity/js-export/API/RhythmBlocksAPI",
"activity/js-export/API/MeterBlocksAPI",
"activity/js-export/API/PitchBlocksAPI",
"activity/js-export/API/IntervalsBlocksAPI",
"activity/js-export/API/ToneBlocksAPI",
"activity/js-export/API/OrnamentBlocksAPI",
"activity/js-export/API/VolumeBlocksAPI",
"activity/js-export/API/DrumBlocksAPI",
"activity/js-export/API/DictBlocksAPI",
"activity/turtleactions/RhythmActions",
"activity/turtleactions/MeterActions",
"activity/turtleactions/PitchActions",
"activity/turtleactions/IntervalsActions",
"activity/turtleactions/ToneActions",
"activity/turtleactions/OrnamentActions",
"activity/turtleactions/VolumeActions",
"activity/turtleactions/DrumActions",
"activity/turtleactions/DictActions",
"activity/blocks/RhythmBlocks",
"activity/blocks/MeterBlocks",
"activity/blocks/PitchBlocks",
"activity/blocks/IntervalsBlocks",
"activity/blocks/ToneBlocks",
"activity/blocks/OrnamentBlocks",
"activity/blocks/VolumeBlocks",
"activity/blocks/DrumBlocks",
"activity/blocks/WidgetBlocks",
"activity/blocks/RhythmBlockPaletteBlocks",
"activity/blocks/ActionBlocks",
"activity/blocks/FlowBlocks",
"activity/blocks/NumberBlocks",
"activity/blocks/BoxesBlocks",
"activity/blocks/BooleanBlocks",
"activity/blocks/HeapBlocks",
"activity/blocks/DictBlocks",
"activity/blocks/ExtrasBlocks",
"activity/blocks/ProgramBlocks",
"activity/blocks/GraphicsBlocks",
"activity/blocks/PenBlocks",
"activity/blocks/MediaBlocks",
"activity/blocks/SensorsBlocks",
"activity/blocks/EnsembleBlocks",
"widgets/widgetWindows",
"widgets/statistics",
"widgets/jseditor"
];
if (_THIS_IS_MUSIC_BLOCKS_) {
const MUSICBLOCKS_EXTRAS = [
"widgets/modewidget",
"widgets/meterwidget",
"widgets/phrasemaker",
"widgets/arpeggio",
"widgets/aiwidget",
"widgets/pitchdrummatrix",
"widgets/rhythmruler",
"widgets/pitchstaircase",
"widgets/temperament",
"widgets/tempo",
"widgets/pitchslider",
"widgets/musickeyboard",
"widgets/timbre",
"widgets/oscilloscope",
"widgets/sampler",
"activity/lilypond",
"activity/abc",
"activity/mxml"
];
MYDEFINES = MYDEFINES.concat(MUSICBLOCKS_EXTRAS);
}
// Create a global variable from the Activity obj to provide access to
// blocks, logo, palettes, and turtles for plugins and js-export.
let globalActivity;
/**
* Performs analysis on the project using the global activity.
* @returns {object} - The analysis result.
*/
const doAnalyzeProject = function() {
return analyzeProject(globalActivity);
};
/**
* Represents an activity in the application.
*/
class Activity {
/**
* Creates an Activity instance.
*/
constructor() {
globalActivity = this;
this.cellSize = 55;
this.searchSuggestions = [];
this.homeButtonContainer;
this.msgTimeoutID = null;
this.msgText = null;
this.errorMsgTimeoutID = null;
this.errorMsgText = null;
this.errorMsgArrow = null;
this.errorArtwork = {};
this.cartesianBitmap = null;
this.polarBitmap = null;
this.trebleBitmap = null;
this.trebleSharpBitmap = [null, null, null, null, null, null, null];
this.trebleFlatBitmap = [null, null, null, null, null, null, null];
this.grandBitmap = null;
this.grandSharpBitmap = [null, null, null, null, null, null, null];
this.grandFlatBitmap = [null, null, null, null, null, null, null];
this.sopranoBitmap = null;
this.sopranoSharpBitmap = [null, null, null, null, null, null, null];
this.sopranoFlatBitmap = [null, null, null, null, null, null, null];
this.altoBitmap = null;
this.altoSharpBitmap = [null, null, null, null, null, null, null];
this.altoFlatBitmap = [null, null, null, null, null, null, null];
this.tenorBitmap = null;
this.tenorSharpBitmap = [null, null, null, null, null, null, null];
this.tenorFlatBitmap = [null, null, null, null, null, null, null];
this.bassBitmap = null;
this.bassSharpBitmap = [null, null, null, null, null, null, null];
this.bassFlatBitmap = [null, null, null, null, null, null, null];
const ERRORARTWORK = [
"emptybox",
"emptyheap",
"negroot",
"noinput",
"zerodivide",
"notanumber",
"nostack",
"notastring",
"nomicrophone"
];
this.saveLocally = null;
this.scrollBlockContainer = false;
this.blockRefreshCanvas = false;
this.statsWindow = null;
this.firstTimeUser = false;
this.beginnerMode = false;
// Flag to disable keyboard during loading of MB
this.keyboardEnableFlag;
this.inTempoWidget = false;
this.projectID = null;
this.storage = localStorage;
// Flag to indicate whether the user is performing a 2D drag operation.
this.isDragging = false;
// Flag to indicate whether user is selecting
this.isSelecting = false;
// Flag to indicate the selection mode is on
this.selectionModeOn = false;
// Flag to check if the helpful search widget is active or not (for "click" event handler purpose)
this.isHelpfulSearchWidgetOn = false;
this.beginnerMode = true;
try {
if (this.storage.beginnerMode === undefined) {
this.firstTimeUser = true;
} else if (this.storage.beginnerMode !== null) {
this.beginnerMode = this.storage.beginnerMode;
if (typeof this.beginnerMode === "string") {
if (this.beginnerMode === "false") {
this.beginnerMode = false;
}
}
}
} catch (e) {
// eslint-disable-next-line no-console
console.error(e);
}
try {
let lang = "en";
if (this.storage.languagePreference !== undefined) {
lang = this.storage.languagePreference;
document.webL10n.setLanguage(lang);
} else {
lang = navigator.language;
if (lang.includes("-")) {
lang = lang.slice(0, lang.indexOf("-"));
document.webL10n.setLanguage(lang);
}
}
} catch (e) {
// eslint-disable-next-line no-console
console.error(e);
}
this.KeySignatureEnv = ["C", "major", false];
try {
if (this.storage.KeySignatureEnv !== undefined) {
// eslint-disable-next-line no-console
console.log(this.storage.KeySignatureEnv);
this.KeySignatureEnv = this.storage.KeySignatureEnv.split(",");
this.KeySignatureEnv[2] = (this.KeySignatureEnv[2] === "true");
}
} catch (e) {
// eslint-disable-next-line no-console
console.error(e);
}
/**
* Initialises major variables and renders default stack.
* Sets up the initial state and dependencies of the activity.
*/
this.setupDependencies = () => {
createDefaultStack();
createHelpContent(this);
window.scroll(0, 0);
/*
try {
meSpeak.loadConfig('lib/mespeak_config.json');
lang = document.webL10n.getLanguage();
if (['es', 'ca', 'de', 'el', 'eo', 'fi', 'fr', 'hu', 'it', 'kn', 'la', 'lv', 'nl', 'pl', 'pt', 'ro', 'sk', 'sv', 'tr', 'zh'].indexOf(lang) !== -1) {
meSpeak.loadVoice('lib/voices/' + lang + '.json');
} else {
meSpeak.loadVoice('lib/voices/en/en.json');
}
} catch (e) {
// eslint-disable-next-line no-console
console.debug(e);
}
*/
document.title = TITLESTRING;
this.canvas = docById("myCanvas");
// Set up a file chooser for the doOpen function.
this.fileChooser = docById("myOpenFile");
// Set up a file chooser for the doOpenPlugin function.
this.pluginChooser = docById("myOpenPlugin");
// The file chooser for all files
this.allFilesChooser = docById("myOpenAll");
this.auxToolbar = docById("aux-toolbar");
// Error message containers
this.errorText = docById("errorText");
this.errorTextContent = docById("errorTextContent");
// Hide Arrow on hiding error message
this.errorText.addEventListener("click", this._hideArrows);
// Show and populate the printText div.
this.printText = docById("printText");
this.printTextContent = docById("printTextContent");
// Are we running off of a server?
this.server = true;
this.turtleBlocksScale = 1;
this.mousestage = null;
this.stage = null;
this.turtles = null;
this.palettes = null;
this.blocks = null;
this.logo = null;
this.pasteBox = null;
this.languageBox = null;
this.planet = null;
window.converter = null;
this.buttonsVisible = true;
this.headerContainer = null;
this.swiping = false;
this.menuButtonsVisible = false;
this.scrollBlockContainer = false;
this.currentKeyCode = 0;
this.merging = false;
this.loading = false;
// On-screen buttons
this.smallerContainer = null;
this.largerContainer = null;
this.resizeDebounce = false;
this.hideBlocksContainer = null;
this.collapseBlocksContainer = null;
this.searchWidget = docById("search");
this.searchWidget.style.visibility = "hidden";
this.searchWidget.placeholder = _("Search for blocks");
this.helpfulSearchWidget = document.createElement("input");
this.helpfulSearchWidget.setAttribute("id", "helpfulSearch");
this.helpfulSearchWidget.style.visibility = "hidden";
this.helpfulSearchWidget.placeholder = _("Search for blocks");
this.helpfulSearchWidget.classList.add("ui-autocomplete");
this.helpfulSearchWidget.style.cssText = `
padding: 2px;
border: 2px solid grey;
width: 220px;
height: 20px;
font-size: large;
`;
this.progressBar = docById("myProgress");
this.progressBar.style.visibility = "hidden";
new createjs.DOMElement(docById("paste"));
this.paste = docById("paste");
this.paste.style.visibility = "hidden";
this.toolbarHeight = document.getElementById("toolbars").offsetHeight;
this.helpfulWheelItems = [];
this.setHelpfulSearchDiv();
};
/*
* creates helpfulSearchDiv for search
*/
this.setHelpfulSearchDiv = () => {
if (docById("helpfulSearchDiv")) {
docById("helpfulSearchDiv").parentNode.removeChild(
docById("helpfulSearchDiv")
);
}
this.helpfulSearchDiv = document.createElement("div");
this.helpfulSearchDiv.setAttribute("id", "helpfulSearchDiv");
this.helpfulSearchDiv.style.cssText = `
position: absolute;
background-color: #f0f0f0;
padding: 5px;
border: 1px solid #ccc;
width: 230px;
display: none;
z-index: 1;
`;
document.body.appendChild(this.helpfulSearchDiv);
if (docById("helpfulSearch")) {
docById("helpfulSearch").parentNode.removeChild(
docById("helpfulSearch")
);
}
this.helpfulSearchDiv.appendChild(this.helpfulSearchWidget);
}
/*
* displays helpfulSearchDiv on canvas
*/
this._displayHelpfulSearchDiv = () => {
this.helpfulSearchDiv.style.left = docById("helpfulWheelDiv").offsetLeft + 80 * this.getStageScale() + "px";
this.helpfulSearchDiv.style.top = docById("helpfulWheelDiv").offsetTop + 110 * this.getStageScale() + "px";
const windowWidth = window.innerWidth;
const windowHeight = window.innerHeight;
this.helpfulSearchDiv.style.display = "block";
const menuWidth = this.helpfulSearchDiv.offsetWidth;
const menuHeight = this.helpfulSearchDiv.offsetHeight;
if (this.helpfulSearchDiv.offsetLeft + menuWidth > windowWidth) {
this.helpfulSearchDiv.style.left = (windowWidth - menuWidth) + "px";
}
if (this.helpfulSearchDiv.offsetTop + menuHeight > windowHeight) {
this.helpfulSearchDiv.style.top = (windowHeight - menuHeight) + "px";
}
this.showHelpfulSearchWidget();
this.isHelpfulSearchWidgetOn = true;
}
// hides helpfulSearchDiv on canvas
this._hideHelpfulSearchWidget = (e) => {
if (docById("helpfulWheelDiv").style.display !== "none") {
docById("helpfulWheelDiv").style.display = "none";
}
if (docById("helpfulSearchDiv").style.display !== "none" && !docById("helpfulSearchDiv").contains(e.target) && e.target.id !== "helpfulSearch") {
docById("helpfulSearchDiv").style.display = "none";
}
that.__tick();
}
document.addEventListener("click", this._hideHelpfulSearchWidget);
/*
* Sets up right click functionality opening the context menus
* (if block is right clicked)
*/
this.doContextMenus = () => {
document.addEventListener(
"contextmenu",
(event) => {
event.preventDefault();
event.stopPropagation();
if (!this.beginnerMode) {
if (event.target.id === "myCanvas") {
this._displayHelpfulWheel(event);
}
}
},
false
);
};
/*
* displays helpfulWheel on canvas on right click
*/
this._displayHelpfulWheel = (event) => {
docById("helpfulWheelDiv").style.position = "absolute";
const x = event.clientX;
const y = event.clientY;
const canvasLeft = this.canvas.offsetLeft + 28 * this.getStageScale();
const canvasTop = this.canvas.offsetTop + 6 * this.getStageScale();
const helpfulWheelLeft = Math.max(Math.round(x * this.getStageScale() + canvasLeft) - 150, canvasLeft);
const helpfulWheelTop = Math.max(Math.round(y * this.getStageScale() + canvasTop) - 150, canvasTop);
docById("helpfulWheelDiv").style.left = helpfulWheelLeft + "px";
docById("helpfulWheelDiv").style.top = helpfulWheelTop + "px";
const windowWidth = window.innerWidth - 20;
const windowHeight = window.innerHeight - 20;
if (helpfulWheelLeft + 350 > windowWidth) {
docById("helpfulWheelDiv").style.left = (windowWidth - 350) + "px";
}
if (helpfulWheelTop + 350 > windowHeight) {
docById("helpfulWheelDiv").style.top = (windowHeight - 350) + "px";
}
docById("helpfulWheelDiv").style.display = "";
const wheel = new wheelnav("helpfulWheelDiv", null, 300, 300);
wheel.colors = platformColor.wheelcolors;
wheel.slicePathFunction = slicePath().DonutSlice;
wheel.slicePathCustom = slicePath().DonutSliceCustomization();
wheel.slicePathCustom.minRadiusPercent = 0.45;
wheel.slicePathCustom.maxRadiusPercent = 1.0;
wheel.sliceSelectedPathCustom = wheel.slicePathCustom;
wheel.sliceInitPathCustom = wheel.slicePathCustom;
wheel.clickModeRotate = false;
const wheelItems = this.helpfulWheelItems.filter(ele => ele.display);
wheel.initWheel(wheelItems.map(ele => ele.icon));
wheel.createWheel();
wheel.navItems[0].selected = false;
wheelItems.forEach((ele, i) => {
wheel.navItems[i].setTooltip(_(ele.label));
wheel.navItems[i].navigateFunction = () => ele.fn(this);
})
}
/**
* Sets up plugin and palette boilerplate.
* This function initializes various properties related to the plugin objects,
* palette colors, and other settings used throughout the application.
*/
this.doPluginsAndPaletteCols = () => {
// Calculate the palette colors.
for (const p in platformColor.paletteColors) {
PALETTEFILLCOLORS[p] = platformColor.paletteColors[p][0];
PALETTESTROKECOLORS[p] = platformColor.paletteColors[p][1];
PALETTEHIGHLIGHTCOLORS[p] = platformColor.paletteColors[p][2];
HIGHLIGHTSTROKECOLORS[p] = platformColor.paletteColors[p][1];
}
this.pluginObjs = {
PALETTEPLUGINS: {},
PALETTEFILLCOLORS: {},
PALETTESTROKECOLORS: {},
PALETTEHIGHLIGHTCOLORS: {},
FLOWPLUGINS: {},
ARGPLUGINS: {},
BLOCKPLUGINS: {},
MACROPLUGINS: {},
ONLOAD: {},
ONSTART: {},
ONSTOP: {}
};
// Stacks of blocks saved in local storage
this.macroDict = {};
// default values
this.DEFAULTDELAY = 500; // milleseconds
this.TURTLESTEP = -1; // Run in step-by-step mode
this.blockscale = BLOCKSCALES.indexOf(DEFAULTBLOCKSCALE);
if (this.blockscale === -1) {
this.blockscale = 1;
}
// Used to track mouse state for mouse button block
this.stageMouseDown = false;
this.stageX = 0;
this.stageY = 0;
// OLPC hardware
const onXO =
(screen.width === 1200 && screen.height === 900) ||
(screen.width === 900 && screen.height === 1200);
this.cellSize = 55;
if (onXO) {
this.cellSize = 75;
}
this.onscreenButtons = [];
this.onscreenMenu = [];
this.firstRun = true;
this.pluginsImages = {};
};
/**
* Recenters blocks by updating their position on the screen.
*
* This function triggers the `_findBlocks` method on the provided `activity` object,
* which recalculates the positions of blocks. If the 'helpfulWheelDiv' element is visible,
* it is hidden, and the `__tick` method is called to update the activity state.
*
* @param {Object} activity - The activity instance containing the blocks to recenter.
* @constructor
*/
const findBlocks = (activity) => {
activity._findBlocks();
if (docById("helpfulWheelDiv").style.display !== "none") {
docById("helpfulWheelDiv").style.display = "none";
activity.__tick();
}
};
/**
* Finds and organizes blocks within the workspace.
* Blocks are positioned based on their connections and availability within the canvas area.
* This method is part of the internal mechanism to ensure that blocks are displayed correctly and efficiently.
* @constructor
*/
this._findBlocks = () => {
// Ensure visibility of blocks
if (!this.blocks.visible) {
this._changeBlockVisibility();
}
// Reset active block and hide DOM label
this.blocks.activeBlock = null;
hideDOMLabel();
// Show blocks and set initial container position
this.blocks.showBlocks();
this.blocksContainer.x = 0;
this.blocksContainer.y = 0;
// Calculate top and left positions for block placement
let toppos;
if (this.auxToolbar.style.display === "block") {
toppos = 90 + this.toolbarHeight;
} else {
toppos = 90;
}
const leftpos = Math.floor(this.canvas.width / 4);
// Update palettes and calculate initial block position
this.palettes.updatePalettes();
let x = Math.floor(leftpos * this.turtleBlocksScale);
let y = Math.floor(toppos * this.turtleBlocksScale);
let even = true;
// Position start blocks first
for (const blk in this.blocks.blockList) {
if (!this.blocks.blockList[blk].trash) {
const myBlock = this.blocks.blockList[blk];
if (myBlock.name !== "start") {
continue;
}
// Move block and its connected group
if (myBlock.connections[0] === null) {
const dx = x - myBlock.container.x;
const dy = y - myBlock.container.y;
this.blocks.moveBlockRelative(blk, dx, dy);
this.blocks.findDragGroup(blk);
if (this.blocks.dragGroup.length > 0) {
for (let b = 0; b < this.blocks.dragGroup.length; b++) {
const bblk = this.blocks.dragGroup[b];
if (b !== 0) {
this.blocks.moveBlockRelative(bblk, dx, dy);
}
}
}
// Update x and y positions for next block placement
x += Math.floor(150 * this.turtleBlocksScale);
if (x > (this.canvas.width * 7) / 8 / this.turtleBlocksScale) {
even = !even;
if (even) {
x = Math.floor(leftpos);
} else {
x = Math.floor(leftpos + STANDARDBLOCKHEIGHT);
}
y += STANDARDBLOCKHEIGHT;
}
}
}
}
// Position other blocks
for (const blk in this.blocks.blockList) {
if (!this.blocks.blockList[blk].trash) {
const myBlock = this.blocks.blockList[blk];
if (myBlock.name === "start") {
continue;
}
// Move block and its connected group
if (myBlock.connections[0] === null) {
const dx = x - myBlock.container.x;
const dy = y - myBlock.container.y;
this.blocks.moveBlockRelative(blk, dx, dy);
this.blocks.findDragGroup(blk);
if (this.blocks.dragGroup.length > 0) {
for (let b = 0; b < this.blocks.dragGroup.length; b++) {
const bblk = this.blocks.dragGroup[b];
if (b !== 0) {
this.blocks.moveBlockRelative(bblk, dx, dy);
}
}
}
// Update x and y positions for next block placement
x += 150 * this.turtleBlocksScale;
if (x > (this.canvas.width * 7) / 8 / this.turtleBlocksScale) {
even = !even;
if (even) {
x = Math.floor(leftpos);
} else {
x = Math.floor(leftpos + STANDARDBLOCKHEIGHT);
}
y += STANDARDBLOCKHEIGHT;
}
}
}
}
// Blocks are all home, so reset go-home-button.
this.setHomeContainers(false);
this.boundary.hide();
// Return mice to the center of the screen.
// Reset turtles' positions to center of the screen
for (let turtle = 0; turtle < this.turtles.turtleList.length; turtle++) {
const savedPenState = this.turtles.turtleList[turtle].painter.penState;
this.turtles.turtleList[turtle].painter.penState = false;
this.turtles.turtleList[turtle].painter.doSetXY(0, 0);
this.turtles.turtleList[turtle].painter.doSetHeading(0);
this.turtles.turtleList[turtle].painter.penState = savedPenState;
}
};
/**
* Toggles the visibility of the home button container.
*
* Depending on the state provided, this method will either hide or show the home button container.
* If the home button container is not initialized, the function will exit early.
*
* @param {boolean} homeState - If true, shows the container; if false, hides it.
* @constructor
*/
this.setHomeContainers = (homeState) => {
if (this.homeButtonContainer === null) {
return;
}
if (homeState) {
changeImage(this.homeButtonContainer.children[0], GOHOMEFADEDBUTTON, GOHOMEBUTTON);
} else {
changeImage(this.homeButtonContainer.children[0], GOHOMEBUTTON, GOHOMEFADEDBUTTON);
}
};
/**
* Saves the artwork for an individual help block.
* The process involves clearing the block list, generating the help blocks,
* and saving them as SVG files.
*
* @param {string} name - The name of the help block.
* @param {number} delay - The delay before executing the save process (in milliseconds).
*/
this.__saveHelpBlock = (name, delay) => {
// Save the artwork for an individual help block.
// (1) clear the block list
// (2) generate the help blocks
// (3) save the blocks as svg
const that = this;
setTimeout(() => {
that.sendAllToTrash(false, true);
setTimeout(() => {
const message = that.blocks.protoBlockDict[name].helpString;
if (message.length < 4) {
// If there is nothing specified, just load the block.
const obj = that.palettes.getProtoNameAndPalette(name);
const protoblk = obj[0];
const paletteName = obj[1];
const protoName = obj[2];
// eslint-disable-next-line no-prototype-builtins
if (that.blocks.protoBlockDict.hasOwnProperty(protoName)) {
that.palettes.dict[paletteName].makeBlockFromSearch(
protoblk,
protoName,
(newBlock) => {
that.blocks.moveBlock(newBlock, 0, 0);
}
);
}
} else if (typeof message[3] === "string") {
// If it is a string, load the macro associated with this block.
const blocksToLoad = getMacroExpansion(that, message[3], 0, 0);
that.blocks.loadNewBlocks(blocksToLoad);
} else {
// Load the block.
const blocksToLoad = message[3];
that.blocks.loadNewBlocks(blocksToLoad);
}
setTimeout(() => {
// eslint-disable-next-line no-console
console.log("Saving help artwork: " + name + "_block.svg");
const svg = "data:image/svg+xml;utf8," + that.printBlockSVG();
that.save.download("svg", svg, name + "_block.svg");
}, 500);
}, 500);
}, delay + 1000);
};
this._saveHelpBlocks = () => {
// Save the artwork for every help block.
const blockHelpList = [];
for (const key in this.blocks.protoBlockDict) {
if (
this.blocks.protoBlockDict[key].helpString !== undefined &&
this.blocks.protoBlockDict[key].helpString.length !== 0
) {
blockHelpList.push(key);
}
}
let i = 0;
for (const name in blockHelpList) {
this.__saveHelpBlock(blockHelpList[name], i * 2000);
i += 1;
}
this.sendAllToTrash(true, true);
};
/**
* @returns {SVG} returns SVG of blocks
*/
this.printBlockSVG = () => {
this.blocks.activeBlock = null;
let startCounter = 0;
let svg = "";
let xMax = 0;
let yMax = 0;
let parts;
for (let i = 0; i < this.blocks.blockList.length; i++) {
if (this.blocks.blockList[i].ignore()) {
continue;
}
if (this.blocks.blockList[i].container.x + this.blocks.blockList[i].width > xMax) {
xMax = this.blocks.blockList[i].container.x + this.blocks.blockList[i].width;
}
if (this.blocks.blockList[i].container.y + this.blocks.blockList[i].height > yMax) {
yMax = this.blocks.blockList[i].container.y + this.blocks.blockList[i].height;
}
if (this.blocks.blockList[i].collapsed) {
parts = this.blocks.blockCollapseArt[i].split("><");
} else {
parts = this.blocks.blockArt[i].split("><");
}
if (this.blocks.blockList[i].isCollapsible()) {
svg += "<g>";
}
svg +=
'<g transform="translate(' +
this.blocks.blockList[i].container.x +
", " +
this.blocks.blockList[i].container.y +
')">';
if (SPECIALINPUTS.includes(this.blocks.blockList[i].name)) {
for (let p = 1; p < parts.length; p++) {
// FIXME: This is fragile.
if (p === 1) {
svg += "<" + parts[p] + "><";
} else if (p === 2) {
// skip filter
} else if (p === 3) {
svg += parts[p].replace("filter:url(#dropshadow);", "") + "><";
} else if (p === 5) {
// Add block value to SVG between tspans
if (typeof this.blocks.blockList[i].value === "string") {
svg += parts[p] + ">" + _(this.blocks.blockList[i].value) + "<";
} else {
svg += parts[p] + ">" + this.blocks.blockList[i].value + "<";
}
} else if (p === parts.length - 2) {
svg += parts[p] + ">";
} else if (p === parts.length - 1) {
// skip final </svg>
} else {
svg += parts[p] + "><";
}
}
} else {
for (let p = 1; p < parts.length; p++) {
// FIXME: This is fragile.
if (p === 1) {
svg += "<" + parts[p] + "><";
} else if (p === 2) {
// skip filter
} else if (p === 3) {
svg += parts[p].replace("filter:url(#dropshadow);", "") + "><";
} else if (p === parts.length - 2) {
svg += parts[p] + ">";
} else if (p === parts.length - 1) {
// skip final </svg>
} else {
svg += parts[p] + "><";
}
}
}
svg += "</g>";
if (this.blocks.blockList[i].isCollapsible()) {
let y;
if (INLINECOLLAPSIBLES.includes(this.blocks.blockList[i].name)) {
y = this.blocks.blockList[i].container.y + 4;
} else {
y = this.blocks.blockList[i].container.y + 12;
}
svg +=
'<g transform="translate(' +
this.blocks.blockList[i].container.x +
", " +
y +
') scale(0.5 0.5)">';
if (this.blocks.blockList[i].collapsed) {
parts = EXPANDBUTTON.split("><");
} else {
parts = COLLAPSEBUTTON.split("><");
}
for (let p = 2; p < parts.length - 1; p++) {
svg += "<" + parts[p] + ">";
}
svg += "</g>";
}
if (this.blocks.blockList[i].name === "start") {
const x = this.blocks.blockList[i].container.x + 110;
const y = this.blocks.blockList[i].container.y + 12;
svg += '<g transform="translate(' + x + ", " + y + ') scale(0.4 0.4)">';
parts = TURTLESVG.replace(/fill_color/g, FILLCOLORS[startCounter])
.replace(/stroke_color/g, STROKECOLORS[startCounter])
.split("><");
startCounter += 1;
if (startCounter > 9) {
startCounter = 0;
}
for (let p = 2; p < parts.length - 1; p++) {
svg += "<" + parts[p] + ">";
}
svg += "</g>";
}
if (this.blocks.blockList[i].isCollapsible()) {