LogarithmPlotter/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objects.js
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JavaScript

/**
* LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
* Copyright (C) 2021-2024 Ad5001
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
.pragma library
.import "utils.js" as Utils
.import "math/common.js" as MathCommons
.import "parameters.js" as P
var types = {}
var currentObjects = {}
var currentObjectsByName = {}
MathCommons.currentObjectsByName = currentObjectsByName // Required for using objects in variables.
function renameObject(oldName, newName) {
/**
* Renames an object from its old name to the new one.
* @param {string} oldName - Current name of the object.
* @param {string} newName - Name to rename the object to.
*/
let obj = currentObjectsByName[oldName]
delete currentObjectsByName[oldName]
currentObjectsByName[newName] = obj
obj.name = newName
}
function deleteObject(objName) {
/**
* Deletes an object by its given name.
* @param {string} objName - Current name of the object.
*/
let obj = currentObjectsByName[objName]
currentObjects[obj.type].splice(currentObjects[obj.type].indexOf(obj),1)
obj.delete()
delete currentObjectsByName[objName]
}
function getObjectsName(objType) {
/**
* Gets a list of all names of a certain object type.
* @param {string} objType - Type of the object to query. Can be ExecutableObject for all ExecutableObjects.
* @return {array} List of names of the objects.
*/
if(objType == "ExecutableObject") {
// NOTE: QMLJS does not support flatMap.
// return getExecutableTypes().flatMap(elemType => currentObjects[elemType].map(obj => obj.name))
let types = getExecutableTypes()
let elementNames = ['']
for(let elemType of types)
elementNames = elementNames.concat(currentObjects[elemType].map(obj => obj.name))
return elementNames
}
if(currentObjects[objType] == undefined) return []
return currentObjects[objType].map(obj => obj.name)
}
function getExecutableTypes() {
/**
* Returns a list of all object types which are executable objects.
* @return {array} List of all object types which are executable objects.
*/
return Object.keys(currentObjects).filter(objType => types[objType].executable())
}
function createNewRegisteredObject(objType, args=[]) {
/**
* Creates and register an object in the database.
* @param {string} objType - Type of the object to create.
* @param {string} args - List of arguments for the objects (can be empty).
* @return {[objType]} Newly created object.
*/
if(Object.keys(types).indexOf(objType) == -1) return null // Object type does not exist.
var newobj = new types[objType](...args)
if(Object.keys(currentObjects).indexOf(objType) == -1) {
currentObjects[objType] = []
}
currentObjects[objType].push(newobj)
currentObjectsByName[newobj.name] = newobj
return newobj
}