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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/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;
const doAnalyzeProject = function() {
return analyzeProject(globalActivity);
};
class Activity {
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;
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.indexOf("-") !== -1) {
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.
*/
this.setupDependencies = function () {
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");
// 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.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;
};
/*
* Sets up right click functionality opening the context menus
* (if block is right clicked)
*/
this.doContextMenus = function () {
document.addEventListener(
"contextmenu",
function (event) {
event.preventDefault();
event.stopPropagation();
},
false
);
};
/*
* Sets up plugin and palette boiler plate
*/
this.doPluginsAndPaletteCols = function () {
// 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 finding their position on the screen and moving them accordingly.
*/
const findBlocks = function (activity) {
activity._findBlocks();
};
this._findBlocks = function () {
if (!this.blocks.visible) {
this._changeBlockVisibility();
}
this.blocks.activeBlock = null;
hideDOMLabel();
this.blocks.showBlocks();
this.blocksContainer.x = 0;
this.blocksContainer.y = 0;
let toppos;
if (this.auxToolbar.style.display === "block") {
toppos = 90 + this.toolbarHeight;
} else {
toppos = 90;
}
const leftpos = Math.floor(this.canvas.width / 4);
this.palettes.updatePalettes();
let x = Math.floor(leftpos * this.turtleBlocksScale);
let y = Math.floor(toppos * this.turtleBlocksScale);
let even = true;
// First the start 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;
}
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);
}
}
}
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;
}
}
}
}
// ...then everything else.
for (const blk in this.blocks.blockList) {
if (!this.blocks.blockList[blk].trash) {
const myBlock = this.blocks.blockList[blk];
if (myBlock.name === "start") {
continue;
}
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);
}
}
}
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.
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;
}
};
/**
* @param zero {hides container}
* @param one {shows container}
*/
this.setHomeContainers = function (homeState) {
if (this.homeButtonContainer === null) {
return;
}
if (homeState) {
changeImage(this.homeButtonContainer.children[0], GOHOMEFADEDBUTTON, GOHOMEBUTTON);
} else {
changeImage(this.homeButtonContainer.children[0], GOHOMEBUTTON, GOHOMEFADEDBUTTON);
}
};
this.__saveHelpBlock = function (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(function () {
that.sendAllToTrash(false, true);
setTimeout(function () {
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,
function (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(function () {
// 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 = function () {
// 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 = function () {
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.indexOf(this.blocks.blockList[i].name) !== -1) {
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.indexOf(this.blocks.blockList[i].name) !== -1) {
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()) {
svg += "</g>";
}
}
svg += "</svg>";
return (
'<svg xmlns="http://www.w3.org/2000/svg" width="' +
xMax +
'" height="' +
yMax +
'">' +
encodeURIComponent(svg)
);
};
/*
* Clears "canvas"
*/
this._allClear = function (noErase) {
this.blocks.activeBlock = null;
hideDOMLabel();
this.logo.boxes = {};
this.logo.time = 0;
this.hideMsgs();
this.hideGrids();
this.turtles.setBackgroundColor(-1);
this.logo.svgOutput = "";
this.logo.notationOutput = "";
for (let turtle = 0; turtle < this.turtles.turtleList.length; turtle++) {
this.logo.turtleHeaps[turtle] = [];
this.logo.turtleDicts[turtle] = {};
this.logo.notation.notationStaging[turtle] = [];
this.logo.notation.notationDrumStaging[turtle] = [];
if (noErase === undefined || !noErase) {
this.turtles.turtleList[turtle].painter.doClear(true, true, true);
}
}
this.blocksContainer.x = 0;
this.blocksContainer.y = 0;
// Code specific to cleaning up Music Blocks
Element.prototype.remove = function () {
this.parentElement.removeChild(this);
};
NodeList.prototype.remove = HTMLCollection.prototype.remove = function () {
for (let i = 0, len = this.length; i < len; i++) {
if (this[i] && this[i].parentElement) {
this[i].parentElement.removeChild(this[i]);
}
}
};
const table = docById("myTable");
if (table !== null) {
table.remove();
}
};
/**
* Sets up play button functionality; runs Music Blocks.
* @param env {specifies environment}
*/
const doFastButton = function (activity, env) {
activity._doFastButton(env);
};
this._doFastButton = function (env) {
this.blocks.activeBlock = null;
hideDOMLabel();
const currentDelay = this.logo.turtleDelay;
this.logo.turtleDelay = 0;
this.logo.synth.resume();
const widgetTitle = document.getElementsByClassName("wftTitle");
for (let i = 0; i < widgetTitle.length; i++) {
if (widgetTitle[i].innerHTML === "tempo") {
if (this.logo.tempo.isMoving) {
this.logo.tempo.pause();
}
this.logo.tempo.resume();
break;
}
}
if (!this.turtles.running()) {
if (!this.turtles.isShrunk()) {
this.blocks.hideBlocks();
this.showBlocksAfterRun = true;
}
this.logo.runLogoCommands(null, env);
} else {
if (currentDelay !== 0) {
// Keep playing at full speed.
this.logo.step();
} else {
// Stop and restart.
document.getElementById("stop").style.color = "white";
this.logo.doStopTurtles();
const that = this;
setTimeout(function () {
document.getElementById("stop").style.color = "#ea174c";
that.logo.runLogoCommands(null, env);
}, 500);
}
}
};
/*
* Runs Music Blocks at a slower rate
*/
const doSlowButton = function (activity) {
activity._doSlowButton();
};
this._doSlowButton = function () {
this.blocks.activeBlock = null;
hideDOMLabel();
this.logo.turtleDelay = DEFAULTDELAY;
this.logo.synth.resume();
if (!this.turtles.running()) {
this.logo.runLogoCommands();
} else {
this.logo.step();
}
};
/*
* Runs music blocks step by step
*/
const doStepButton = function (activity) {
activity._doStepButton();
};
this._doStepButton = function () {
this.blocks.activeBlock = null;
hideDOMLabel();
const turtleCount = Object.keys(this.logo.stepQueue).length;
this.logo.synth.resume();
if (turtleCount === 0 || this.logo.turtleDelay !== this.TURTLESTEP) {
// Either we haven't set up a queue or we are
// switching modes.
this.logo.turtleDelay = this.TURTLESTEP;
// Queue and take first step.
if (!this.turtles.running()) {
this.logo.runLogoCommands();
}
this.logo.step();
} else {
this.logo.turtleDelay = this.TURTLESTEP;
this.logo.step();
}
};
/**
* Stops running of music blocks; stops all mid-way synths.
* @param onblur {when object loses focus}
*/
const doHardStopButton = function (activity, onblur) {
activity._doHardStopButton(onblur);
};
this._doHardStopButton = function (onblur) {
this.blocks.activeBlock = null;
hideDOMLabel();
if (onblur === undefined) {
onblur = false;
}
if (onblur && _THIS_IS_MUSIC_BLOCKS_) {
return;
}
this.logo.doStopTurtles();
const widgetTitle = document.getElementsByClassName("wftTitle");
for (let i = 0; i < widgetTitle.length; i++) {
if (widgetTitle[i].innerHTML === "tempo") {
if (this.logo.tempo.isMoving) {
this.logo.tempo.pause();
}
break;
}
}
};
/*
* Switches between beginner/advanced mode
*/
const doSwitchMode = function (activity) {
activity._doSwitchMode();
};
this._doSwitchMode = function () {
this.blocks.activeBlock = null;
const mode = this.storage.beginnerMode;
const MSGPrefix =
"<a href='#' " +
"onClick='window.location.reload()'" +
"onMouseOver='this.style.opacity = 0.5'" +