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Adding private fields for Modules

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This commit is contained in:
Ad5001 2024-10-10 05:25:34 +02:00
parent b02ed87a29
commit 934dd3ea1b
Signed by: Ad5001
GPG key ID: EF45F9C6AFE20160
6 changed files with 144 additions and 130 deletions
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145
common/src/module/canvas.mjs
View file

@ -25,23 +25,20 @@ import Objects from "./objects.mjs"
import History from "./history.mjs"
class CanvasAPI extends Module {
/** @type {CanvasInterface} */
#canvas = null
/** @type {CanvasRenderingContext2D} */
#ctx = null
/** @type {{show(string, string, string)}} */
#drawingErrorDialog = null
constructor() {
super("Canvas", {
canvas: CanvasInterface,
drawingErrorDialog: DialogInterface
})
/** @type {CanvasInterface} */
this._canvas = null
/** @type {CanvasRenderingContext2D} */
this._ctx = null
/**
* @type {{show(string, string, string)}}
* @private
*/
this._drawingErrorDialog = null
/**
*
* @type {Object.<string, {expression: Expression, value: number, maxDraw: number}>}
@ -67,18 +64,18 @@ class CanvasAPI extends Module {
*/
initialize({ canvas, drawingErrorDialog }) {
super.initialize({ canvas, drawingErrorDialog })
this._canvas = canvas
this._drawingErrorDialog = drawingErrorDialog
this.#canvas = canvas
this.#drawingErrorDialog = drawingErrorDialog
}
get width() {
if(!this.initialized) throw new Error("Attempting width before initialize!")
return this._canvas.width
return this.#canvas.width
}
get height() {
if(!this.initialized) throw new Error("Attempting height before initialize!")
return this._canvas.height
return this.#canvas.height
}
/**
@ -87,7 +84,7 @@ class CanvasAPI extends Module {
*/
get xmin() {
if(!this.initialized) throw new Error("Attempting xmin before initialize!")
return this._canvas.xmin
return this.#canvas.xmin
}
/**
@ -96,7 +93,7 @@ class CanvasAPI extends Module {
*/
get xzoom() {
if(!this.initialized) throw new Error("Attempting xzoom before initialize!")
return this._canvas.xzoom
return this.#canvas.xzoom
}
/**
@ -105,7 +102,7 @@ class CanvasAPI extends Module {
*/
get ymax() {
if(!this.initialized) throw new Error("Attempting ymax before initialize!")
return this._canvas.ymax
return this.#canvas.ymax
}
/**
@ -114,7 +111,7 @@ class CanvasAPI extends Module {
*/
get yzoom() {
if(!this.initialized) throw new Error("Attempting yzoom before initialize!")
return this._canvas.yzoom
return this.#canvas.yzoom
}
/**
@ -123,7 +120,7 @@ class CanvasAPI extends Module {
*/
get xlabel() {
if(!this.initialized) throw new Error("Attempting xlabel before initialize!")
return this._canvas.xlabel
return this.#canvas.xlabel
}
/**
@ -132,7 +129,7 @@ class CanvasAPI extends Module {
*/
get ylabel() {
if(!this.initialized) throw new Error("Attempting ylabel before initialize!")
return this._canvas.ylabel
return this.#canvas.ylabel
}
/**
@ -141,7 +138,7 @@ class CanvasAPI extends Module {
*/
get linewidth() {
if(!this.initialized) throw new Error("Attempting linewidth before initialize!")
return this._canvas.linewidth
return this.#canvas.linewidth
}
/**
@ -150,7 +147,7 @@ class CanvasAPI extends Module {
*/
get textsize() {
if(!this.initialized) throw new Error("Attempting textsize before initialize!")
return this._canvas.textsize
return this.#canvas.textsize
}
/**
@ -159,7 +156,7 @@ class CanvasAPI extends Module {
*/
get logscalex() {
if(!this.initialized) throw new Error("Attempting logscalex before initialize!")
return this._canvas.logscalex
return this.#canvas.logscalex
}
/**
@ -168,7 +165,7 @@ class CanvasAPI extends Module {
*/
get showxgrad() {
if(!this.initialized) throw new Error("Attempting showxgrad before initialize!")
return this._canvas.showxgrad
return this.#canvas.showxgrad
}
/**
@ -177,7 +174,7 @@ class CanvasAPI extends Module {
*/
get showygrad() {
if(!this.initialized) throw new Error("Attempting showygrad before initialize!")
return this._canvas.showygrad
return this.#canvas.showygrad
}
/**
@ -201,7 +198,7 @@ class CanvasAPI extends Module {
requestPaint() {
if(!this.initialized) throw new Error("Attempting requestPaint before initialize!")
this._canvas.requestPaint()
this.#canvas.requestPaint()
}
/**
@ -209,17 +206,17 @@ class CanvasAPI extends Module {
*/
redraw() {
if(!this.initialized) throw new Error("Attempting redraw before initialize!")
this._ctx = this._canvas.getContext("2d")
this.#ctx = this.#canvas.getContext("2d")
this._computeAxes()
this._reset()
this._drawGrid()
this._drawAxes()
this._drawLabels()
this._ctx.lineWidth = this.linewidth
this.#ctx.lineWidth = this.linewidth
for(let objType in Objects.currentObjects) {
for(let obj of Objects.currentObjects[objType]) {
this._ctx.strokeStyle = obj.color
this._ctx.fillStyle = obj.color
this.#ctx.strokeStyle = obj.color
this.#ctx.fillStyle = obj.color
if(obj.visible)
try {
obj.draw(this)
@ -227,12 +224,12 @@ class CanvasAPI extends Module {
// Drawing throws an error. Generally, it's due to a new modification (or the opening of a file)
console.error(e)
console.log(e.stack)
this._drawingErrorDialog.show(objType, obj.name, e.message)
this.#drawingErrorDialog.show(objType, obj.name, e.message)
History.undo()
}
}
}
this._ctx.lineWidth = 1
this.#ctx.lineWidth = 1
}
/**
@ -240,9 +237,9 @@ class CanvasAPI extends Module {
* @private
*/
_computeAxes() {
let exprY = new Expression(`x*(${this._canvas.yaxisstep})`)
let exprY = new Expression(`x*(${this.#canvas.yaxisstep})`)
let y1 = exprY.execute(1)
let exprX = new Expression(`x*(${this._canvas.xaxisstep})`)
let exprX = new Expression(`x*(${this.#canvas.xaxisstep})`)
let x1 = exprX.execute(1)
this.axesSteps = {
x: {
@ -264,10 +261,10 @@ class CanvasAPI extends Module {
*/
_reset() {
// Reset
this._ctx.fillStyle = "#FFFFFF"
this._ctx.strokeStyle = "#000000"
this._ctx.font = `${this.textsize}px sans-serif`
this._ctx.fillRect(0, 0, this.width, this.height)
this.#ctx.fillStyle = "#FFFFFF"
this.#ctx.strokeStyle = "#000000"
this.#ctx.font = `${this.textsize}px sans-serif`
this.#ctx.fillRect(0, 0, this.width, this.height)
}
/**
@ -275,7 +272,7 @@ class CanvasAPI extends Module {
* @private
*/
_drawGrid() {
this._ctx.strokeStyle = "#C0C0C0"
this.#ctx.strokeStyle = "#C0C0C0"
if(this.logscalex) {
for(let xpow = -this.maxgradx; xpow <= this.maxgradx; xpow++) {
for(let xmulti = 1; xmulti < 10; xmulti++) {
@ -299,7 +296,7 @@ class CanvasAPI extends Module {
* @private
*/
_drawAxes() {
this._ctx.strokeStyle = "#000000"
this.#ctx.strokeStyle = "#000000"
let axisypos = this.logscalex ? 1 : 0
this.drawXLine(axisypos)
this.drawYLine(0)
@ -320,19 +317,19 @@ class CanvasAPI extends Module {
let axisypx = this.x2px(this.logscalex ? 1 : 0) // X coordinate of Y axis
let axisxpx = this.y2px(0) // Y coordinate of X axis
// Labels
this._ctx.fillStyle = "#000000"
this._ctx.font = `${this.textsize}px sans-serif`
this._ctx.fillText(this.ylabel, axisypx + 10, 24)
let textWidth = this._ctx.measureText(this.xlabel).width
this._ctx.fillText(this.xlabel, this.width - 14 - textWidth, axisxpx - 5)
this.#ctx.fillStyle = "#000000"
this.#ctx.font = `${this.textsize}px sans-serif`
this.#ctx.fillText(this.ylabel, axisypx + 10, 24)
let textWidth = this.#ctx.measureText(this.xlabel).width
this.#ctx.fillText(this.xlabel, this.width - 14 - textWidth, axisxpx - 5)
// Axis graduation labels
this._ctx.font = `${this.textsize - 4}px sans-serif`
this.#ctx.font = `${this.textsize - 4}px sans-serif`
let txtMinus = this._ctx.measureText("-").width
let txtMinus = this.#ctx.measureText("-").width
if(this.showxgrad) {
if(this.logscalex) {
for(let xpow = -this.maxgradx; xpow <= this.maxgradx; xpow += 1) {
textWidth = this._ctx.measureText("10" + textsup(xpow)).width
textWidth = this.#ctx.measureText("10" + textsup(xpow)).width
if(xpow !== 0)
this.drawVisibleText("10" + textsup(xpow), this.x2px(Math.pow(10, xpow)) - textWidth / 2, axisxpx + 16 + (6 * (xpow === 1)))
}
@ -350,13 +347,13 @@ class CanvasAPI extends Module {
for(let y = 0; y < this.axesSteps.y.maxDraw; y += 1) {
let drawY = y * this.axesSteps.y.value
let txtY = this.axesSteps.y.expression.simplify(y).toString().replace(/^\((.+)\)$/, "$1")
textWidth = this._ctx.measureText(txtY).width
textWidth = this.#ctx.measureText(txtY).width
this.drawVisibleText(txtY, axisypx - 6 - textWidth, this.y2px(drawY) + 4 + (10 * (y === 0)))
if(y !== 0)
this.drawVisibleText("-" + txtY, axisypx - 6 - textWidth - txtMinus, this.y2px(-drawY) + 4)
}
}
this._ctx.fillStyle = "#FFFFFF"
this.#ctx.fillStyle = "#FFFFFF"
}
//
@ -394,7 +391,7 @@ class CanvasAPI extends Module {
drawVisibleText(text, x, y) {
if(x > 0 && x < this.width && y > 0 && y < this.height) {
text.toString().split("\n").forEach((txt, i) => {
this._ctx.fillText(txt, x, y + (this.textsize * i))
this.#ctx.fillText(txt, x, y + (this.textsize * i))
})
}
}
@ -409,8 +406,8 @@ class CanvasAPI extends Module {
* @param {number} height
*/
drawVisibleImage(image, x, y, width, height) {
this._canvas.markDirty(Qt.rect(x, y, width, height))
this._ctx.drawImage(image, x, y, width, height)
this.#canvas.markDirty(Qt.rect(x, y, width, height))
this.#ctx.drawImage(image, x, y, width, height)
}
/**
@ -424,7 +421,7 @@ class CanvasAPI extends Module {
let defaultHeight = this.textsize * 1.2 // Approximate but good enough!
for(let txt of text.split("\n")) {
theight += defaultHeight
if(this._ctx.measureText(txt).width > twidth) twidth = this._ctx.measureText(txt).width
if(this.#ctx.measureText(txt).width > twidth) twidth = this.#ctx.measureText(txt).width
}
return { "width": twidth, "height": theight }
}
@ -494,10 +491,10 @@ class CanvasAPI extends Module {
* @param {number} y2
*/
drawLine(x1, y1, x2, y2) {
this._ctx.beginPath()
this._ctx.moveTo(x1, y1)
this._ctx.lineTo(x2, y2)
this._ctx.stroke()
this.#ctx.beginPath()
this.#ctx.moveTo(x1, y1)
this.#ctx.lineTo(x2, y2)
this.#ctx.stroke()
}
/**
@ -509,9 +506,9 @@ class CanvasAPI extends Module {
* @param {number} dashPxSize
*/
drawDashedLine(x1, y1, x2, y2, dashPxSize = 6) {
this._ctx.setLineDash([dashPxSize / 2, dashPxSize])
this.#ctx.setLineDash([dashPxSize / 2, dashPxSize])
this.drawLine(x1, y1, x2, y2)
this._ctx.setLineDash([])
this.#ctx.setLineDash([])
}
/**
@ -522,10 +519,10 @@ class CanvasAPI extends Module {
*/
renderLatexImage(ltxText, color, callback) {
const onRendered = (imgData) => {
if(!this._canvas.isImageLoaded(imgData.source) && !this._canvas.isImageLoading(imgData.source)) {
if(!this.#canvas.isImageLoaded(imgData.source) && !this.#canvas.isImageLoading(imgData.source)) {
// Wait until the image is loaded to callback.
this._canvas.loadImage(imgData.source)
this._canvas.imageLoaders[imgData.source] = [callback, imgData]
this.#canvas.loadImage(imgData.source)
this.#canvas.imageLoaders[imgData.source] = [callback, imgData]
} else {
// Callback directly
callback(imgData)
@ -543,11 +540,11 @@ class CanvasAPI extends Module {
//
get font() {
return this._ctx.font
return this.#ctx.font
}
set font(value) {
return this._ctx.font = value
return this.#ctx.font = value
}
/**
@ -560,9 +557,9 @@ class CanvasAPI extends Module {
* @param {boolean} counterclockwise
*/
arc(x, y, radius, startAngle, endAngle, counterclockwise = false) {
this._ctx.beginPath()
this._ctx.arc(x, y, radius, startAngle, endAngle, counterclockwise)
this._ctx.stroke()
this.#ctx.beginPath()
this.#ctx.arc(x, y, radius, startAngle, endAngle, counterclockwise)
this.#ctx.stroke()
}
/**
@ -572,9 +569,9 @@ class CanvasAPI extends Module {
* @param {number} radius
*/
disc(x, y, radius) {
this._ctx.beginPath()
this._ctx.arc(x, y, radius, 0, 2 * Math.PI)
this._ctx.fill()
this.#ctx.beginPath()
this.#ctx.arc(x, y, radius, 0, 2 * Math.PI)
this.#ctx.fill()
}
/**
@ -585,7 +582,7 @@ class CanvasAPI extends Module {
* @param {number} h
*/
fillRect(x, y, w, h) {
this._ctx.fillRect(x, y, w, h)
this.#ctx.fillRect(x, y, w, h)
}
}

18
common/src/module/common.mjs
View file

@ -25,6 +25,10 @@ globalThis.Modules = globalThis.Modules || {}
* Base class for global APIs in runtime.
*/
export class Module {
/** @type {string} */
#name
/** @type {Object.<string, (Interface|string|number|boolean)>} */
#initializationParameters
/**
*
@ -33,8 +37,8 @@ export class Module {
*/
constructor(name, initializationParameters = {}) {
console.log(`Loading module ${name}...`)
this.__name = name
this.__initializationParameters = initializationParameters
this.#name = name
this.#initializationParameters = initializationParameters
this.initialized = false
}
@ -45,15 +49,15 @@ export class Module {
*/
initialize(options) {
if(this.initialized)
throw new Error(`Cannot reinitialize module ${this.__name}.`)
console.log(`Initializing ${this.__name}...`)
for(const [name, value] of Object.entries(this.__initializationParameters)) {
throw new Error(`Cannot reinitialize module ${this.#name}.`)
console.log(`Initializing ${this.#name}...`)
for(const [name, value] of Object.entries(this.#initializationParameters)) {
if(!options.hasOwnProperty(name))
throw new Error(`Option '${name}' of initialize of module ${this.__name} does not exist.`)
throw new Error(`Option '${name}' of initialize of module ${this.#name} does not exist.`)
if(typeof value === "function" && value.prototype instanceof Interface)
Interface.check_implementation(value, options[name])
else if(typeof value !== typeof options[name])
throw new Error(`Option '${name}' of initialize of module ${this.__name} is not a '${value}' (${typeof options[name]}).`)
throw new Error(`Option '${name}' of initialize of module ${this.#name} is not a '${value}' (${typeof options[name]}).`)
}
this.initialized = true
}

14
common/src/module/expreval.mjs
View file

@ -35,15 +35,17 @@ const evalVariables = {
}
class ExprParserAPI extends Module {
#parser = new Parser()
constructor() {
super("ExprParser")
this.currentVars = {}
this._parser = new Parser()
this.#parser = new Parser()
this._parser.consts = Object.assign({}, this._parser.consts, evalVariables)
this.#parser.consts = Object.assign({}, this.#parser.consts, evalVariables)
this._parser.functions.integral = this.integral.bind(this)
this._parser.functions.derivative = this.derivative.bind(this)
this.#parser.functions.integral = this.integral.bind(this)
this.#parser.functions.derivative = this.derivative.bind(this)
}
/**
@ -68,7 +70,7 @@ class ExprParserAPI extends Module {
[f, variable] = args
if(typeof f !== "string" || typeof variable !== "string")
throw EvalError(qsTranslate("usage", "Usage:\n%1").arg(usage2))
f = this._parser.parse(f).toJSFunction(variable, this.currentVars)
f = this.#parser.parse(f).toJSFunction(variable, this.currentVars)
} else
throw EvalError(qsTranslate("usage", "Usage:\n%1\n%2").arg(usage1).arg(usage2))
return f
@ -79,7 +81,7 @@ class ExprParserAPI extends Module {
* @returns {ExprEvalExpression}
*/
parse(expression) {
return this._parser.parse(expression)
return this.#parser.parse(expression)
}
integral(a, b, ...args) {

84
common/src/module/io.mjs
View file

@ -24,6 +24,12 @@ import { DialogInterface, RootInterface, SettingsInterface } from "./interface.m
class IOAPI extends Module {
/** @type {RootInterface} */
#rootElement
/** @type {SettingsInterface} */
#settings
/** @type {{show: function(string)}} */
#alert
constructor() {
super("IO", {
@ -46,9 +52,9 @@ class IOAPI extends Module {
*/
initialize({ root, settings, alert }) {
super.initialize({ root, settings, alert })
this.rootElement = root
this.settings = settings
this.alert = alert
this.#rootElement = root
this.#settings = settings
this.#alert = alert
}
/**
@ -69,27 +75,27 @@ class IOAPI extends Module {
}
}
let settings = {
"xzoom": this.settings.xzoom,
"yzoom": this.settings.yzoom,
"xmin": this.settings.xmin,
"ymax": this.settings.ymax,
"xaxisstep": this.settings.xaxisstep,
"yaxisstep": this.settings.yaxisstep,
"xaxislabel": this.settings.xlabel,
"yaxislabel": this.settings.ylabel,
"logscalex": this.settings.logscalex,
"linewidth": this.settings.linewidth,
"showxgrad": this.settings.showxgrad,
"showygrad": this.settings.showygrad,
"textsize": this.settings.textsize,
"xzoom": this.#settings.xzoom,
"yzoom": this.#settings.yzoom,
"xmin": this.#settings.xmin,
"ymax": this.#settings.ymax,
"xaxisstep": this.#settings.xaxisstep,
"yaxisstep": this.#settings.yaxisstep,
"xaxislabel": this.#settings.xlabel,
"yaxislabel": this.#settings.ylabel,
"logscalex": this.#settings.logscalex,
"linewidth": this.#settings.linewidth,
"showxgrad": this.#settings.showxgrad,
"showygrad": this.#settings.showygrad,
"textsize": this.#settings.textsize,
"history": History.serialize(),
"width": this.rootElement.width,
"height": this.rootElement.height,
"width": this.#rootElement.width,
"height": this.#rootElement.height,
"objects": objs,
"type": "logplotv1"
}
Helper.write(filename, JSON.stringify(settings))
this.alert.show(qsTranslate("io", "Saved plot to '%1'.").arg(filename.split("/").pop()))
this.#alert.show(qsTranslate("io", "Saved plot to '%1'.").arg(filename.split("/").pop()))
History.history.saved = true
}
@ -101,32 +107,32 @@ class IOAPI extends Module {
if(!this.initialized) throw new Error("Attempting loadDiagram before initialize!")
if(!History.initialized) throw new Error("Attempting loadDiagram before history is initialized!")
let basename = filename.split("/").pop()
this.alert.show(qsTranslate("io", "Loading file '%1'.").arg(basename))
this.#alert.show(qsTranslate("io", "Loading file '%1'.").arg(basename))
let data = JSON.parse(Helper.load(filename))
let error = ""
if(data.hasOwnProperty("type") && data["type"] === "logplotv1") {
History.clear()
// Importing settings
this.settings.saveFilename = filename
this.settings.xzoom = parseFloat(data["xzoom"]) || 100
this.settings.yzoom = parseFloat(data["yzoom"]) || 10
this.settings.xmin = parseFloat(data["xmin"]) || 5 / 10
this.settings.ymax = parseFloat(data["ymax"]) || 24
this.settings.xaxisstep = data["xaxisstep"] || "4"
this.settings.yaxisstep = data["yaxisstep"] || "4"
this.settings.xlabel = data["xaxislabel"] || ""
this.settings.ylabel = data["yaxislabel"] || ""
this.settings.logscalex = data["logscalex"] === true
this.#settings.saveFilename = filename
this.#settings.xzoom = parseFloat(data["xzoom"]) || 100
this.#settings.yzoom = parseFloat(data["yzoom"]) || 10
this.#settings.xmin = parseFloat(data["xmin"]) || 5 / 10
this.#settings.ymax = parseFloat(data["ymax"]) || 24
this.#settings.xaxisstep = data["xaxisstep"] || "4"
this.#settings.yaxisstep = data["yaxisstep"] || "4"
this.#settings.xlabel = data["xaxislabel"] || ""
this.#settings.ylabel = data["yaxislabel"] || ""
this.#settings.logscalex = data["logscalex"] === true
if("showxgrad" in data)
this.settings.showxgrad = data["showxgrad"]
this.#settings.showxgrad = data["showxgrad"]
if("showygrad" in data)
this.settings.textsize = data["showygrad"]
this.#settings.textsize = data["showygrad"]
if("linewidth" in data)
this.settings.linewidth = data["linewidth"]
this.#settings.linewidth = data["linewidth"]
if("textsize" in data)
this.settings.textsize = data["textsize"]
this.rootElement.height = parseFloat(data["height"]) || 500
this.rootElement.width = parseFloat(data["width"]) || 1000
this.#settings.textsize = data["textsize"]
this.#rootElement.height = parseFloat(data["height"]) || 500
this.#rootElement.width = parseFloat(data["width"]) || 1000
// Importing objects
Objects.currentObjects = {}
@ -158,18 +164,18 @@ class IOAPI extends Module {
History.unserialize(...data["history"])
// Refreshing sidebar
this.rootElement.updateObjectsLists()
this.#rootElement.updateObjectsLists()
} else {
error = qsTranslate("io", "Invalid file provided.")
}
if(error !== "") {
console.log(error)
this.alert.show(qsTranslate("io", "Could not load file: ") + error)
this.#alert.show(qsTranslate("io", "Could not load file: ") + error)
// TODO: Error handling
return
}
Canvas.redraw()
this.alert.show(qsTranslate("io", "Loaded file '%1'.").arg(basename))
this.#alert.show(qsTranslate("io", "Loaded file '%1'.").arg(basename))
History.history.saved = true
}

10
common/src/module/latex.mjs
View file

@ -60,6 +60,9 @@ class LatexRenderResult {
}
class LatexAPI extends Module {
/** @type {LatexInterface} */
#latex = null
constructor() {
super("Latex", {
latex: LatexInterface,
@ -77,8 +80,7 @@ class LatexAPI extends Module {
*/
initialize({ latex, helper }) {
super.initialize({ latex, helper })
this.latex = latex
this.helper = helper
this.#latex = latex
this.enabled = helper.getSettingBool("enable_latex")
}
@ -93,7 +95,7 @@ class LatexAPI extends Module {
*/
findPrerendered(markup, fontSize, color) {
if(!this.initialized) throw new Error("Attempting findPrerendered before initialize!")
const data = this.latex.findPrerendered(markup, fontSize, color)
const data = this.#latex.findPrerendered(markup, fontSize, color)
let ret = null
if(data !== "")
ret = new LatexRenderResult(...data.split(","))
@ -110,7 +112,7 @@ class LatexAPI extends Module {
*/
async requestAsyncRender(markup, fontSize, color) {
if(!this.initialized) throw new Error("Attempting requestAsyncRender before initialize!")
let args = this.latex.render(markup, fontSize, color).split(",")
let args = this.#latex.render(markup, fontSize, color).split(",")
return new LatexRenderResult(...args)
}

3
common/src/module/preferences.mjs
View file

@ -20,6 +20,9 @@ import General from "../preferences/general.mjs"
import Editor from "../preferences/expression.mjs"
import DefaultGraph from "../preferences/default.mjs"
/**
* Module for application wide settings.
*/
class PreferencesAPI extends Module {
constructor() {
super("Preferences")