Enforcing type safety at import.
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8e75f13e9a
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GPG key ID:
EF45F9C6AFE20160
10 changed files with 327 additions and 55 deletions
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@ -36,7 +36,7 @@ class HistoryCommonAPI extends Module {
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redo() { this.history.redo() }
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clear() { this.history.clear() }
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addToHistory(action) { this.history.addToHistory(action) }
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unserialize(data) { this.history.unserialize(data) }
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unserialize(...data) { this.history.unserialize(...data) }
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serialize() { return this.history.serialize() }
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}
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@ -124,7 +124,7 @@ export class Action {
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}
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/**
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* Returns a string with the HTML-formated description of the action.
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* Returns a string with the HTML-formatted description of the action.
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*
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* @returns {string}
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*/
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@ -129,7 +129,8 @@ class IOAPI extends Module {
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if(Object.keys(Modules.Objects.types).indexOf(objType) > -1) {
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Modules.Objects.currentObjects[objType] = []
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for(let objData of data['objects'][objType]) {
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let obj = new Modules.Objects.types[objType](...objData)
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/** @type {DrawableObject} */
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let obj = Modules.Objects.types[objType].import(...objData)
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Modules.Objects.currentObjects[objType].push(obj)
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Modules.Objects.currentObjectsByName[obj.name] = obj
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}
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@ -26,6 +26,8 @@ qsTranslate = qsTranslate || function(category, string) { throw new Error('qsTra
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qsTr = qsTr || function(string) { throw new Error('qsTr not implemented.'); }
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/** @type {function(string, string): string} */
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QT_TRANSLATE_NOOP = QT_TRANSLATE_NOOP || function(string, string) { throw new Error('QT_TRANSLATE_NOOP not implemented.'); }
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/** @type {function(string): string} */
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QT_TR_NOOP = QT_TR_NOOP || function(string) { throw new Error('QT_TR_NOOP not implemented.'); }
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/** @type {function(string|boolean|int): string} */
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String.prototype.arg = String.prototype.arg || function(parameter) { throw new Error('arg not implemented.'); }
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@ -20,6 +20,7 @@ import { getRandomColor, textsub } from "../utils.mjs"
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import Objects from "../objects.mjs"
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import Latex from "../math/latex.mjs"
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import {Module} from "../modules.mjs"
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import {ensureTypeSafety, serializesByPropertyType} from "../parameters.mjs"
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// This file contains the default data to be imported from all other objects
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@ -34,7 +35,7 @@ class ObjectsCommonAPI extends Module {
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}
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/**
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* Creates a new name for an object, based on the \c allowedLetters.
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* Creates a new name for an object, based on the allowedLetters.
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* If variables with each of the allowedLetters is created, a subscript
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* number is added to the name.
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* @param {string} allowedLetters
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@ -56,7 +57,7 @@ class ObjectsCommonAPI extends Module {
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}
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/**
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* Registers the object \c obj in the object list.
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* Registers the object obj in the object list.
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* @param {DrawableObject} obj - Object to be registered.
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*/
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registerObject(obj) {
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@ -132,13 +133,29 @@ export class DrawableObject {
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*/
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static executable() {return false}
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/**
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* Imports the object from its serialized form.
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* @return {DrawableObject}
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*/
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static import(name, visible, color, labelContent, ...args) {
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let importedArgs = [name.toString(), visible === true, color.toString(), labelContent]
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console.log('---')
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console.log(this, name, args)
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for(let [name, propType] of Object.entries(this.properties()))
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if(!name.startsWith('comment')) {
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console.log(name, propType, importedArgs.length-4, args[importedArgs.length-4])
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importedArgs.push(ensureTypeSafety(propType, args[importedArgs.length-4]))
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}
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return new this(...importedArgs)
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}
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/**
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* Base constructor for the object.
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* @param {string} name - Name of the object
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* @param {boolean} visible - true if the object is visible, false otherwise.
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* @param {color|string} color - Color of the object (can be string or QColor)
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* @param {Enum} labelContent - One of 'null', 'name' or 'name + value' describing the content of the label.
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* @constructor()
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* @constructor
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*/
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constructor(name, visible = true, color = null, labelContent = 'name + value') {
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if(color == null) color = getRandomColor()
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@ -152,13 +169,16 @@ export class DrawableObject {
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}
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/**
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* Serilizes the object in an array that can be JSON serialized.
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* Serializes the object in an array that can be JSON serialized.
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* These parameters will be re-entered in the constructor when restored.
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* @return {array}
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*/
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export() {
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// Should return what will be inputed as arguments when a file is loaded (serializable form)
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return [this.name, this.visible, this.color.toString(), this.labelContent]
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let exportList = [this.name, this.visible, this.color.toString(), this.labelContent]
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for(let [name, propType] of Object.entries(this.constructor.properties()))
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if(!name.startsWith('comment'))
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exportList.push(serializesByPropertyType(propType, this[name]))
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return exportList
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}
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/**
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@ -182,7 +202,7 @@ export class DrawableObject {
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}
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/**
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* Readable string content of the label depending on the value of the \c latexContent.
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* Readable string content of the label depending on the value of the latexContent.
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* @return {string}
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*/
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getLabel() {
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@ -198,7 +218,7 @@ export class DrawableObject {
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}
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/**
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* Latex markup string content of the label depending on the value of the \c latexContent.
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* Latex markup string content of the label depending on the value of the latexContent.
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* Every non latin character should be passed as latex symbols and formulas
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* should be in latex form.
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* See ../latex.mjs for helper methods.
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@ -275,16 +295,15 @@ export class DrawableObject {
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}
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/**
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* Abstract method. Draw the object onto the \c canvas with the.
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* Abstract method. Draw the object onto the canvas with the.
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* @param {CanvasAPI} canvas
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* @param {CanvasRenderingContext2D} ctx
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*/
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draw(canvas) {}
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/**
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* Applicates a \c drawFunction with two position arguments depending on
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* both the \c posX and \c posY of where the label should be displayed,
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* and the \c labelPosition which declares the label should be displayed
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* Applicates a drawFunction with two position arguments depending on
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* both the posX and posY of where the label should be displayed,
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* and the labelPosition which declares the label should be displayed
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* relatively to that position.
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*
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* @param {string|Enum} labelPosition - Position of the label relative to the marked position
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@ -333,17 +352,16 @@ export class DrawableObject {
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}
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/**
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* Automatically draw text (by default the label of the object on the \c canvas with
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* the 2D context \c ctx depending on user settings.
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* This method takes into account both the \c posX and \c posY of where the label
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* should be displayed, including the \c labelPosition relative to it.
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* The text is get both through the \c getLatexFunction and \c getTextFunction
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* Automatically draw text (by default the label of the object on the canvas
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* depending on user settings.
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* This method takes into account both the posX and posY of where the label
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* should be displayed, including the labelPosition relative to it.
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* The text is get both through the getLatexFunction and getTextFunction
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* depending on whether to use latex.
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* Then, it's displayed using the \c drawFunctionLatex (x,y,imageData) and
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* \c drawFunctionText (x,y,text) depending on whether to use latex.
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* Then, it's displayed using the drawFunctionLatex (x,y,imageData) and
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* drawFunctionText (x,y,text) depending on whether to use latex.
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*
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* @param {CanvasAPI} canvas
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* @param {CanvasRenderingContext2D} ctx
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* @param {string|Enum} labelPosition - Position of the label relative to the marked position
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* @param {number} posX - Component of the marked position on the x-axis
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* @param {number} posY - Component of the marked position on the y-axis
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@ -35,8 +35,8 @@ export default class Function extends ExecutableObject {
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'comment',
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'Ex: R+* (ℝ⁺*), N (ℕ), Z-* (ℤ⁻*), ]0;1[, {3;4;5}'
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),
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[QT_TRANSLATE_NOOP('prop','labelPosition')]: P.Enum.Position,
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[QT_TRANSLATE_NOOP('prop','displayMode')]: P.Enum.FunctionDisplayType,
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[QT_TRANSLATE_NOOP('prop','labelPosition')]: P.Enum.Position,
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[QT_TRANSLATE_NOOP('prop','labelX')]: 'number',
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'comment2': QT_TRANSLATE_NOOP(
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'comment',
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@ -26,21 +26,25 @@ export default class RepartitionFunction extends ExecutableObject {
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static displayType(){return qsTr('Repartition')}
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static displayTypeMultiple(){return qsTr('Repartition functions')}
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static properties() {return {
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[QT_TRANSLATE_NOOP('prop','labelPosition')]: P.Enum.Position,
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[QT_TRANSLATE_NOOP('prop','labelX')]: 'number',
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'comment1': QT_TRANSLATE_NOOP(
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'comment',
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'Note: Specify the probability for each value.'
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),
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[QT_TRANSLATE_NOOP('prop','probabilities')]: new P.Dictionary('string', 'float', /^-?[\d.,]+$/, /^-?[\d.,]+$/, 'P({name_} = ', ') = '),
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[QT_TRANSLATE_NOOP('prop','probabilities')]: new P.Dictionary('string', 'double', /^-?[\d.,]+$/, /^-?[\d.,]+$/, 'P({name_} = ', ') = '),
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[QT_TRANSLATE_NOOP('prop','labelPosition')]: P.Enum.Position,
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[QT_TRANSLATE_NOOP('prop','labelX')]: 'number',
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}}
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static import(name, visible, color, labelContent, ...args) {
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if(args.length === 5)
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// Two legacy values no longer included.
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args.shift(); args.shift()
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return super.import(name, visible, color, labelContent, ...args)
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}
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constructor(name = null, visible = true, color = null, labelContent = 'name + value',
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beginIncluded = true, drawLineEnds = true, probabilities = {'0': '0'}, labelPosition = 'above', labelX = 1) {
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probabilities = {'0': '0'}, labelPosition = 'above', labelX = 1) {
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if(name == null) name = Common.getNewName('XYZUVW', "F_")
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super(name, visible, color, labelContent)
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this.beginIncluded = beginIncluded
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this.drawLineEnds = drawLineEnds
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this.probabilities = probabilities
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this.labelPosition = labelPosition
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this.labelX = labelX
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@ -49,7 +53,7 @@ export default class RepartitionFunction extends ExecutableObject {
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export() {
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return [this.name, this.visible, this.color.toString(), this.labelContent,
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this.beginIncluded, this.drawLineEnds, this.probabilities, this.labelPosition, this.labelX]
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this.probabilities, this.labelPosition, this.labelX]
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}
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@ -64,7 +64,6 @@ export default class Sequence extends ExecutableObject {
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update() {
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console.log('Updating sequence', this.sequence)
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console.trace()
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super.update()
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if(
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this.sequence == null || this.baseValues !== this.sequence.baseValues ||
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@ -29,8 +29,8 @@ export default class XCursor extends DrawableObject {
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static displayType(){return qsTr('X Cursor')}
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static displayTypeMultiple(){return qsTr('X Cursors')}
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static properties() {return {
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[QT_TRANSLATE_NOOP('prop','x')]: 'Expression',
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[QT_TRANSLATE_NOOP('prop','targetElement')]: new P.ObjectType('ExecutableObject'),
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[QT_TRANSLATE_NOOP('prop','x')]: new P.Expression(),
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[QT_TRANSLATE_NOOP('prop','targetElement')]: new P.ObjectType('ExecutableObject', true),
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[QT_TRANSLATE_NOOP('prop','labelPosition')]: P.Enum.Position,
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[QT_TRANSLATE_NOOP('prop','approximate')]: 'boolean',
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[QT_TRANSLATE_NOOP('prop','rounding')]: 'number',
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@ -15,58 +15,190 @@
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {parseDomain, Expression as Expr, Domain} from "./mathlib.mjs"
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export class Expression {
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const NONE = class Empty {}
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let stringValuesValidators = {
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'int': [parseInt, (x) => !isNaN(x)],
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'double': [parseFloat, (x) => !isNaN(x)],
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'string': [(x) => x, () => true]
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}
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let stringValidatorTypes = Object.keys(stringValuesValidators)
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class PropertyType {
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/**
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* Validates if a value corresponds to the current property type, and if so, returns it.
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* @param value
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* @returns {null|object}
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*/
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parse(value) {
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throw new TypeError(`validate function of ${typeof this} has not been implemented.`)
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}
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/**
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* Exports the value of this property type.
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* @param value
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* @returns {string|number|bool|object}
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*/
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export(value) {
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throw new TypeError(`export function of ${typeof this} has not been implemented.`)
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}
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}
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export class Expression extends PropertyType {
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constructor(...variables) {
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super()
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this.type = 'Expression'
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this.variables = variables
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}
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toString() {
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return this.variables.length == 0 ? 'Number' : `Expression(${this.variables.join(', ')})`
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return this.variables.length === 0 ? 'Number' : `Expression(${this.variables.join(', ')})`
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}
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parse(value) {
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let result = NONE
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if(typeof value == 'string')
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try {
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result = new Expr(value)
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} catch(e) {
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// Silently error and return null
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console.trace()
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console.log(`Error parsing expression ${value}:`)
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console.error(e)
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}
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return result
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}
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export(value) {
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if(value instanceof Expr)
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return value.toEditableString()
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else
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throw new TypeError(`Exportation error: ${value} is not an expression.`)
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}
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}
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export class Enum {
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export class Enum extends PropertyType {
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constructor(...values) {
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super()
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this.type = 'Enum'
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this.values = values
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this.legacyValues = {}
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this.translatedValues = values.map(x => qsTr(x))
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}
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toString() {
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return this.type
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return `${this.type}(${this.values.join(', ')})`
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}
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parse(value) {
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let result = NONE
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if(this.values.includes(value))
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result = value
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else if(this.legacyValues[value])
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result = this.legacyValues[value]
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return result
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}
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export(value) {
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if(this.values.includes(value))
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return value
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else if(this.legacyValues[value])
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return this.legacyValues[value]
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else
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throw new TypeError(`Exportation error: ${value} not one of ${this.values.join(', ')}.`)
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}
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}
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export class ObjectType {
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constructor(objType) {
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export class ObjectType extends PropertyType {
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constructor(objType, allowNull=false) {
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super()
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this.type = 'ObjectType'
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this.objType = objType
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this.allowNull = allowNull
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}
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toString() {
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return this.objType
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}
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parse(name) {
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let result = NONE
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if(typeof name == 'string' && name in Modules.Objects.currentObjectsByName) {
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let obj = Modules.Objects.currentObjectsByName[name]
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if (obj.type === this.objType || (this.objType === 'ExecutableObject' && obj.execute)) {
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result = obj
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} else {
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// Silently error and return null
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console.trace()
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console.error(new TypeError(`Object ${name} is of not of type ${this.objType}:`))
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}
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} else if(this.allowNull && (name == null || name === "null"))
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result = null
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return result
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}
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export class List {
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export(value) {
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if(value.type === this.objType || (this.objType === 'ExecutableObject' && value.execute))
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return value
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else
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throw new TypeError(`Exportation error: ${value} not a ${this.objType}.`)
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}
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}
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export class List extends PropertyType {
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constructor(type, format = /^.+$/, label = '', forbidAdding = false) {
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super()
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// type can be string, int and double.
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this.type = 'List'
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this.valueType = type
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if(!stringValidatorTypes.includes(this.valueType))
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throw new TypeError(`${this.valueType} must be one of ${stringValidatorTypes.join(', ')}.`)
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this.format = format
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this.label = label
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this.forbidAdding = forbidAdding
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}
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toString() {
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return this.objType
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return `${this.type}(${this.valueType}:${this.format})`
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}
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parse(value) {
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let result = NONE
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if(typeof value == 'object' && value.__proto__ === Array) {
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let list = []
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for(let v of value) {
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if (this.format.test(v)) {
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v = stringValuesValidators[this.valueType][0](v)
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if(stringValuesValidators[this.valueType][1](v))
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list.append(v)
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}
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}
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if(list.length === value.length)
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result = value
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}
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return result
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}
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|
||||
export(value) {
|
||||
if(typeof value == 'object' && value.__proto__ === Array)
|
||||
return value
|
||||
else
|
||||
throw new TypeError(`Exportation error: ${value} not a list.`)
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
export class Dictionary {
|
||||
|
||||
export class Dictionary extends PropertyType {
|
||||
constructor(type, keyType = 'string', format = /^.+$/, keyFormat = /^.+$/, preKeyLabel = '', postKeyLabel = ': ', forbidAdding = false) {
|
||||
super()
|
||||
// type & keyType can be string, int and double.
|
||||
this.type = 'Dict'
|
||||
this.valueType = type
|
||||
|
|
@ -79,7 +211,33 @@ export class Dictionary {
|
|||
}
|
||||
|
||||
toString() {
|
||||
return 'Dictionary'
|
||||
return `${this.type}(${this.keyType}:${this.keyFormat}: ${this.valueType}:${this.format})`
|
||||
}
|
||||
|
||||
parse(value) {
|
||||
let result = NONE
|
||||
if(typeof value == 'object' && value.__proto__ !== Array) {
|
||||
let dict = []
|
||||
for(let [k, v] of Object.entries(value)) {
|
||||
if (this.format.test(v) && this.keyFormat.test(k)) {
|
||||
k = stringValuesValidators[this.keyType][0](k)
|
||||
v = stringValuesValidators[this.valueType][0](v)
|
||||
if(stringValuesValidators[this.keyType][1](k))
|
||||
if(stringValuesValidators[this.valueType][1](v))
|
||||
dict[k] = v
|
||||
}
|
||||
}
|
||||
if(Object.keys(dict).length === Object.keys(value).length)
|
||||
result = value
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
export(value) {
|
||||
if(typeof value == 'object' && value.__proto__ !== Array)
|
||||
return value
|
||||
else
|
||||
throw new TypeError(`Exportation error: ${value} not a dictionary.`)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -95,6 +253,14 @@ Enum.Position = new Enum(
|
|||
QT_TR_NOOP('below-left'),
|
||||
QT_TR_NOOP('below-right')
|
||||
)
|
||||
Enum.Position.legacyValues = {
|
||||
'top': 'above',
|
||||
'bottom': 'below',
|
||||
'top-left': 'above-left',
|
||||
'top-right': 'above-right',
|
||||
'bottom-left': 'below-left',
|
||||
'bottom-right': 'below-right',
|
||||
}
|
||||
|
||||
Enum.Positioning = new Enum(
|
||||
QT_TR_NOOP('center'),
|
||||
|
|
@ -125,4 +291,86 @@ Enum.XCursorValuePosition = new Enum(
|
|||
QT_TR_NOOP('Hidden')
|
||||
)
|
||||
|
||||
/**
|
||||
* Ensures whether a provided value is of the corresponding type.
|
||||
* @param {string|PropertyType} propertyType
|
||||
* @param {string|number|boolean|array|object}value
|
||||
* @returns {Object}
|
||||
*/
|
||||
export function ensureTypeSafety(propertyType, value) {
|
||||
let result
|
||||
let error = false
|
||||
if(typeof propertyType == 'string')
|
||||
switch(propertyType) {
|
||||
case 'string':
|
||||
result = value
|
||||
error = typeof value !== 'string'
|
||||
break
|
||||
case 'number':
|
||||
result = parseFloat(value)
|
||||
error = isNaN(result)
|
||||
break
|
||||
case 'boolean':
|
||||
result = value
|
||||
error = value !== true && value !== false
|
||||
break
|
||||
case 'Domain':
|
||||
try {
|
||||
error = typeof value !== 'string'
|
||||
if(!error)
|
||||
result = parseDomain(value)
|
||||
} catch(e) {
|
||||
// Parse domain sometimes returns an empty set when it cannot parse a domain.
|
||||
// It's okay though, it shouldn't be user parsed value, so returning an empty set
|
||||
// is okay for a corrupted file, rather than erroring.
|
||||
console.trace()
|
||||
console.log(`Error parsing domain ${value}:`)
|
||||
console.error(e)
|
||||
error = true
|
||||
}
|
||||
break
|
||||
}
|
||||
else if(propertyType instanceof PropertyType) {
|
||||
result = propertyType.parse(value)
|
||||
error = result === NONE
|
||||
} else
|
||||
throw new TypeError(`Importation error: Unknown property type ${propertyType}.`)
|
||||
if(error) {
|
||||
console.trace()
|
||||
throw new TypeError(`Importation error: Couldn't parse ${JSON.stringify(value)} as ${propertyType}.`)
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
/**
|
||||
* Serializes a property by its type to export into JSON.
|
||||
* @param {string|PropertyType} propertyType
|
||||
* @param value
|
||||
* @returns {Object}
|
||||
*/
|
||||
export function serializesByPropertyType(propertyType, value) {
|
||||
let result
|
||||
if(typeof propertyType == 'string')
|
||||
switch(propertyType) {
|
||||
case 'string':
|
||||
result = value.toString()
|
||||
break
|
||||
case 'number':
|
||||
result = parseFloat(value)
|
||||
break
|
||||
case 'boolean':
|
||||
result = value === true
|
||||
break
|
||||
case 'Domain':
|
||||
if(value instanceof Domain)
|
||||
result = value.toString()
|
||||
else
|
||||
throw new TypeError(`Exportation error: ${value} is not a domain.`)
|
||||
break
|
||||
}
|
||||
else if(propertyType instanceof PropertyType) {
|
||||
result = propertyType.export(value)
|
||||
} else
|
||||
throw new TypeError(`Exportation error: Unknown property type ${propertyType}.`)
|
||||
return result
|
||||
}
|
||||
Loading…
Reference in a new issue