132 lines
3.7 KiB
JavaScript
132 lines
3.7 KiB
JavaScript
/**
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* LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
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* Copyright (C) 2021-2024 Ad5001
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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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 { Module } from "../modules.mjs"
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import Latex from "../math/latex.mjs"
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class HistoryCommonAPI extends Module {
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constructor() {
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super('History', [
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Modules.Latex
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])
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// History QML object
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this.history = null;
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this.themeTextColor = "#ff0000";
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this.imageDepth = 2;
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this.fontSize = 14;
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}
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undo() { this.history.undo() }
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redo() { this.history.redo() }
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addToHistory(action) { this.history.addToHistory(action) }
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}
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/** @type {HistoryCommonAPI} */
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Modules.History = Modules.History || new HistoryCommonAPI()
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export const API = Modules.History
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export class Action {
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/**
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* Type of the action.
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*
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* @returns {string}
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*/
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type(){return 'Unknown'}
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/**
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* Icon associated with the action.
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*
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* @returns {string}
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*/
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icon(){return 'position'}
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// TargetName is the name of the object that's targeted by the event.
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constructor(targetName = "", targetType = "Point") {
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this.targetName = targetName
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this.targetType = targetType
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}
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/**
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* Undoes the action.
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*/
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undo() {}
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/**
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* Redoes the action.
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*/
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redo() {}
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/**
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* Export the action to a serializable format.
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* NOTE: These arguments will be reinputed in the constructor in this order.
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*
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* @returns {string[]}
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*/
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export() {
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return [this.targetName, this.targetType]
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}
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/**
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* Returns a string with the human readable description of the action.
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*
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* @returns {string}
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*/
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getReadableString() {
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return 'Unknown action'
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}
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/**
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* Returns a string containing an HTML tag describing the icon of a type
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*
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* @param {string} type - Name of the icon to put in rich text.
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* @returns {string}
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*/
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getIconRichText(type) {
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return `<img source="../icons/objects/${type}.svg" style="color: ${Modules.History.themeTextColor};" width=18 height=18></img>`
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}
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/**
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* Renders a LaTeX-formatted string to an image and wraps it in an HTML tag in a string.
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*
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* @param {string} latexString - Source string of the latex.
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* @returns {string}
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*/
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renderLatexAsHtml(latexString) {
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if(!Latex.enabled)
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throw new Error("Cannot render an item as LaTeX when LaTeX is disabled.")
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let imgDepth = Modules.History.imageDepth
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let [src, width, height] = Latex.render(
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latexString,
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imgDepth * (Modules.History.fontSize + 2),
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Modules.History.themeTextColor
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).split(",")
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return `<img src="${src}" width="${parseInt(width)/imgDepth}" height="${parseInt(height)/imgDepth}" style="vertical-align: middle"/>`
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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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*
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* @returns {string}
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*/
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getHTMLString() {
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return this.getReadableString()
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}
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}
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