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531 lines
15 KiB
531 lines
15 KiB
var util = require('../../util');
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import ColorPicker from './components/ColorPicker'
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/**
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* The way this works is for all properties of this.possible options, you can supply the property name in any form to list the options.
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* Boolean options are recognised as Boolean
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* Number options should be written as array: [default value, min value, max value, stepsize]
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* Colors should be written as array: ['color', '#ffffff']
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* Strings with should be written as array: [option1, option2, option3, ..]
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*
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* The options are matched with their counterparts in each of the modules and the values used in the configuration are
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*
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* @param parentModule | the location where parentModule.setOptions() can be called
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* @param defaultContainer | the default container of the module
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* @param configureOptions | the fully configured and predefined options set found in allOptions.js
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* @param pixelRatio | canvas pixel ratio
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*/
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class ConfigurationSystem {
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constructor(parentModule, defaultContainer, configureOptions, pixelRatio = 1) {
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this.parent = parentModule;
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this.changedOptions = [];
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this.container = defaultContainer;
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this.options = {};
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this.defaultOptions = {
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enabled: false,
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filter: true,
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container: undefined
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}
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util.extend(this.options, this.defaultOptions);
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this.configureOptions = configureOptions;
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this.moduleOptions = {};
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this.domElements = [];
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this.colorPicker = new ColorPicker(pixelRatio);
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this.wrapper;
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}
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/**
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* refresh all options.
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* Because all modules parse their options by themselves, we just use their options. We copy them here.
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*
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* @param options
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*/
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setOptions(options) {
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if (options !== undefined) {
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let enabled = true;
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if (typeof options === 'string') {
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this.options.filter = options;
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}
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else if (options instanceof Array) {
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this.options.filter = options.join();
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}
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else if (typeof options === 'object') {
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if (options.container !== undefined) {
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this.options.container = options.container;
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}
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if (options.filter !== undefined) {
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this.options.filter = options.filter;
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}
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if (options.enabled !== undefined) {
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enabled = options.enabled;
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}
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}
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else if (typeof options === 'boolean') {
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this.options.filter = true;
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enabled = options;
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}
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this.options.enabled = enabled;
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}
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this._clean();
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}
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setModuleOptions(moduleOptions) {
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this.moduleOptions = moduleOptions;
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if (this.options.enabled === true) {
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this._clean();
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if (this.options.container !== undefined) {
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this.container = this.options.container;
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}
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this._create(this.options.filter);
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}
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}
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/**
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* Create all DOM elements
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* @param {Boolean | String} config
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* @private
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*/
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_create(config) {
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this._clean();
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this.changedOptions = [];
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let counter = 0;
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for (let option in this.configureOptions) {
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if (this.configureOptions.hasOwnProperty(option)) {
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if (config === true || config.indexOf(option) !== -1) {
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let optionObj = this.configureOptions[option];
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// linebreak between categories
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if (counter > 0) {
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this._makeItem([]);
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}
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// a header for the category
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this._makeHeader(option);
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// get the suboptions
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let path = [option];
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this._handleObject(optionObj, path);
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}
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counter++;
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}
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}
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let generateButton = document.createElement('div');
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generateButton.className = 'vis-network-configuration button';
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generateButton.innerHTML = 'generate options';
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generateButton.onclick = () => {this._printOptions();};
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generateButton.onmouseover = () => {generateButton.className = 'vis-network-configuration button hover';};
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generateButton.onmouseout = () => {generateButton.className = 'vis-network-configuration button';};
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this.optionsContainer = document.createElement('div');
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this.optionsContainer.className = 'vis-network-configuration vis-option-container';
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this.domElements.push(this.optionsContainer);
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this.domElements.push(generateButton);
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this._push();
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this.colorPicker.insertTo(this.container);
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}
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/**
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* draw all DOM elements on the screen
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* @private
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*/
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_push() {
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this.wrapper = document.createElement('div');
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this.wrapper.className = 'vis-network-configuration-wrapper';
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this.container.appendChild(this.wrapper);
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for (var i = 0; i < this.domElements.length; i++) {
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this.wrapper.appendChild(this.domElements[i]);
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}
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}
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/**
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* delete all DOM elements
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* @private
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*/
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_clean() {
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for (var i = 0; i < this.domElements.length; i++) {
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this.wrapper.removeChild(this.domElements[i]);
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}
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if (this.wrapper !== undefined) {
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this.container.removeChild(this.wrapper);
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this.wrapper = undefined;
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}
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this.domElements = [];
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}
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/**
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* get the value from the actualOptions if it exists
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* @param {array} path | where to look for the actual option
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* @returns {*}
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* @private
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*/
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_getValue(path) {
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let base = this.moduleOptions;
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for (let i = 0; i < path.length; i++) {
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if (base[path[i]] !== undefined) {
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base = base[path[i]];
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}
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else {
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base = undefined;
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break;
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}
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}
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return base;
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}
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/**
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* all option elements are wrapped in an item
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* @param path
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* @param domElements
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* @private
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*/
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_makeItem(path, ...domElements) {
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let item = document.createElement('div');
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item.className = 'vis-network-configuration item s' + path.length;
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domElements.forEach((element) => {
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item.appendChild(element);
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});
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this.domElements.push(item);
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}
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/**
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* header for major subjects
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* @param name
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* @private
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*/
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_makeHeader(name) {
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let div = document.createElement('div');
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div.className = 'vis-network-configuration header';
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div.innerHTML = name;
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this._makeItem([],div);
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}
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/**
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* make a label, if it is an object label, it gets different styling.
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* @param name
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* @param path
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* @param objectLabel
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* @returns {HTMLElement}
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* @private
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*/
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_makeLabel(name, path, objectLabel = false) {
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let div = document.createElement('div');
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div.className = 'vis-network-configuration label s' + path.length;
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if (objectLabel === true) {
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div.innerHTML = '<i><b>' + name + ':</b></i>';
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}
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else {
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div.innerHTML = name + ':';
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}
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return div;
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}
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/**
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* make a dropdown list for multiple possible string optoins
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* @param arr
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* @param value
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* @param path
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* @private
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*/
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_makeDropdown(arr, value, path) {
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let select = document.createElement('select');
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select.className = 'vis-network-configuration select';
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let selectedValue = 0;
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if (value !== undefined) {
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if (arr.indexOf(value) !== -1) {
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selectedValue = arr.indexOf(value);
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}
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}
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for (let i = 0; i < arr.length; i++) {
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let option = document.createElement('option');
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option.value = arr[i];
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if (i === selectedValue) {
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option.selected = 'selected';
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}
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option.innerHTML = arr[i];
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select.appendChild(option);
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}
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let me = this;
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select.onchange = function () {me._update(this.value, path);};
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let label = this._makeLabel(path[path.length-1], path);
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this._makeItem(path, label, select);
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}
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/**
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* make a range object for numeric options
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* @param arr
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* @param value
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* @param path
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* @private
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*/
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_makeRange(arr, value, path) {
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let defaultValue = arr[0];
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let min = arr[1];
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let max = arr[2];
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let step = arr[3];
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let range = document.createElement('input');
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range.type = 'range';
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range.className = 'vis-network-configuration range';
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range.min = min;
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range.max = max;
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range.step = step;
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if (value !== undefined) {
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if (value * 0.1 < min) {
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range.min = value / 10;
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}
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if (value * 2 > max && max !== 1) {
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range.max = value * 2;
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}
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range.value = value;
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}
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else {
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range.value = defaultValue;
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}
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let input = document.createElement('input');
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input.className = 'vis-network-configuration rangeinput';
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input.value = range.value;
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var me = this;
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range.onchange = function () {input.value = this.value; me._update(Number(this.value), path);};
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range.oninput = function () {input.value = this.value; };
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let label = this._makeLabel(path[path.length-1], path);
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this._makeItem(path, label, range, input);
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}
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/**
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* make a checkbox for boolean options.
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* @param defaultValue
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* @param value
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* @param path
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* @private
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*/
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_makeCheckbox(defaultValue, value, path) {
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var checkbox = document.createElement('input');
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checkbox.type = 'checkbox';
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checkbox.className = 'vis-network-configuration checkbox';
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checkbox.checked = defaultValue;
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if (value !== undefined) {
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checkbox.checked = value;
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if (value !== defaultValue) {
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if (typeof defaultValue === 'object') {
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if (value !== defaultValue.enabled) {
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this.changedOptions.push({path:path, value:value});
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}
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}
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else {
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this.changedOptions.push({path:path, value:value});
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}
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}
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}
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let me = this;
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checkbox.onchange = function() {me._update(this.checked, path)};
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let label = this._makeLabel(path[path.length-1], path);
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this._makeItem(path, label, checkbox);
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}
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/**
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* make a color field with a color picker for color fields
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* @param arr
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* @param value
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* @param path
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* @private
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*/
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_makeColorField(arr, value, path) {
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let defaultColor = arr[1];
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let div = document.createElement('div');
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value = value === undefined ? defaultColor : value;
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if (value !== 'none') {
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div.className = 'vis-network-configuration colorBlock';
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div.style.backgroundColor = value;
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}
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else {
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div.className = 'vis-network-configuration colorBlock none';
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}
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value = value === undefined ? defaultColor : value;
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div.onclick = () => {
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this._showColorPicker(value,div,path);
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}
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let label = this._makeLabel(path[path.length-1], path);
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this._makeItem(path,label, div);
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}
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/**
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* used by the color buttons to call the color picker.
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* @param event
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* @param value
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* @param div
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* @param path
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* @private
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*/
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_showColorPicker(value, div, path) {
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let rect = div.getBoundingClientRect();
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let bodyRect = document.body.getBoundingClientRect();
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let pickerX = rect.left + rect.width + 5;
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let pickerY = rect.top - bodyRect.top + rect.height*0.5;
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this.colorPicker.show(pickerX,pickerY);
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this.colorPicker.setColor(value);
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this.colorPicker.setCallback((color) => {
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let colorString = 'rgba(' + color.r + ',' + color.g + ',' + color.b + ',' + color.a + ')';
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div.style.backgroundColor = colorString;
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this._update(colorString,path);
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})
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}
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/**
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* parse an object and draw the correct items
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* @param obj
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* @param path
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* @private
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*/
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_handleObject(obj, path = []) {
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for (let subObj in obj) {
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if (obj.hasOwnProperty(subObj)) {
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let item = obj[subObj];
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let newPath = util.copyAndExtendArray(path, subObj);
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let value = this._getValue(newPath);
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if (item instanceof Array) {
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this._handleArray(item, value, newPath);
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}
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else if (typeof item === 'string') {
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this._handleString(item, value, newPath);
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}
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else if (typeof item === 'boolean') {
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this._makeCheckbox(item, value, newPath);
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}
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else if (item instanceof Object) {
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// collapse the physics options that are not enabled
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let draw = true;
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if (path.indexOf('physics') !== -1) {
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if (this.moduleOptions.physics.solver !== subObj) {
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draw = false;
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}
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}
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if (draw === true) {
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// initially collapse options with an disabled enabled option.
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if (item.enabled !== undefined) {
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let enabledPath = util.copyAndExtendArray(newPath, 'enabled');
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let enabledValue = this._getValue(enabledPath);
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if (enabledValue === true) {
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let label = this._makeLabel(subObj, newPath, true);
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this._makeItem(newPath, label);
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this._handleObject(item, newPath);
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}
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else {
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this._makeCheckbox(item, enabledValue, newPath);
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}
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}
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else {
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let label = this._makeLabel(subObj, newPath, true);
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this._makeItem(newPath, label);
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this._handleObject(item, newPath);
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}
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}
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}
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else {
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console.error('dont know how to handle', item, subObj, newPath);
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}
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}
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}
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}
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/**
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* handle the array type of option
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* @param optionName
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* @param arr
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* @param value
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* @param path
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* @private
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*/
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_handleArray(arr, value, path) {
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if (typeof arr[0] === 'string' && arr[0] === 'color') {
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this._makeColorField(arr, value, path);
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if (arr[1] !== value) {this.changedOptions.push({path:path, value:value});}
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}
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else if (typeof arr[0] === 'string') {
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this._makeDropdown(arr, value, path);
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if (arr[0] !== value) {this.changedOptions.push({path:path, value:value});}
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}
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else if (typeof arr[0] === 'number') {
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this._makeRange(arr, value, path);
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if (arr[0] !== value) {this.changedOptions.push({path:path, value:Number(value)});}
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}
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}
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/**
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* called to update the network with the new settings.
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* @param value
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* @param path
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* @private
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*/
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_update(value, path) {
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let options = this._constructOptions(value,path);
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this.parent.setOptions(options);
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}
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_constructOptions(value, path, optionsObj = {}) {
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let pointer = optionsObj;
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// when dropdown boxes can be string or boolean, we typecast it into correct types
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value = value === 'true' ? true : value;
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value = value === 'false' ? false : value;
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for (let i = 0; i < path.length; i++) {
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if (pointer[path[i]] === undefined) {
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pointer[path[i]] = {};
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}
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if (i !== path.length -1) {
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pointer = pointer[path[i]];
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}
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else {
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pointer[path[i]] = value;
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}
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}
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return optionsObj;
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}
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_printOptions() {
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let options = {};
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for (var i = 0; i < this.changedOptions.length; i++) {
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this._constructOptions(this.changedOptions[i].value, this.changedOptions[i].path, options)
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}
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this.optionsContainer.innerHTML = '<pre>var options = ' + JSON.stringify(options, null, 2) + '</pre>';
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}
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}
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export default ConfigurationSystem;
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