542 lines
13 KiB
JavaScript
542 lines
13 KiB
JavaScript
/*
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Copyright 2023 dogeystamp <dogeystamp@disroot.org>
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Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class InterfaceElement {
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rootNodes = [];
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constructor({fragment, enabledFunc, visibleFunc}) {
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if (fragment === undefined) {
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this.fragment = new DocumentFragment();
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} else {
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this.fragment = fragment;
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}
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if (enabledFunc === undefined) {
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this.enabledFunc = function(){ return true; };
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} else {
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this.enabledFunc = enabledFunc;
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}
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if (visibleFunc === undefined) {
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this.visibleFunc = function(){ return true; };
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} else {
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this.visibleFunc = visibleFunc;
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}
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}
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update() {
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this.enabled = this.enabledFunc();
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this.hidden = !this.visibleFunc();
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}
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scanNodes() {
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this.rootNodes = [];
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for (const node of this.fragment.children) {
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this.rootNodes.push(node);
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}
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}
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mount(par) {
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this.scanNodes();
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par.append(this.fragment);
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}
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#hidden = false;
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get hidden() {
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return this.#hidden;
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}
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set hidden(x) {
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this.#hidden = x;
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for (const node of this.rootNodes) {
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node.hidden = this.hidden;
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}
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if (this.hidden === true) this.clearAlerts();
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}
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#enabled = true;
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get enabled() {
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return this.#enabled;
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}
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set enabled(x) {
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this.#enabled = x;
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this.handle.disabled = !this.#enabled;
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}
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}
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function dataTypeSupports(params, validTypes) {
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if (params.dataType === undefined) {
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params.dataType = validTypes[0];
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}
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if (!validTypes.includes(params.dataType)) {
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throw `Element can not support '${params.dataType}' data type`;
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}
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}
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class Form extends InterfaceElement {
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constructor({tag, par=document.body, label}) {
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super({});
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if (tag === undefined) {
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this.handle = document.createElement("div");
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} else {
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this.handle = tag;
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}
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this.fragment.appendChild(this.handle);
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this.elements = [];
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this.clearAlerts = this.clearAlerts.bind(this);
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if (label !== undefined) {
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this.createHeader({label: label});
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}
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let advancedToggle = this.createCheckBox({label: "Advanced settings"});
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advancedToggle.handle.addEventListener('change', function() {
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this.advanced = advancedToggle.value;
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}.bind(this));
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par.appendChild(this.fragment);
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}
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#hidden = false;
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get hidden() {
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return this.#hidden;
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}
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set hidden(x) {
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this.#hidden = x;
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for (const element of this.elements) {
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if (element.advanced === true) {
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element.hidden = !this.advanced || this.hidden;
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} else {
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element.hidden = this.hidden;
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}
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}
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if (this.hidden === true) this.clearAlerts();
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}
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#advanced = false;
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get advanced() {
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return this.#advanced;
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}
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set advanced(x) {
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this.#advanced = x;
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for (const element of this.elements) {
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if (element.advanced === true) {
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element.update();
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}
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}
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}
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clearAlerts() {
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for (const element of this.elements) {
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element.clearAlerts();
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}
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}
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createElem(params) {
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params.form = this;
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let elem = new FormElement(params);
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elem.mount(this.handle);
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this.elements.push(elem);
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this.rootNodes.push(...elem.rootNodes);
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if (elem.advanced) {
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elem.hidden = !this.advanced;
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}
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if (this.hidden) elem.hidden = true;
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return elem;
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}
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createHeader(params) {
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params.tag = document.createElement("h2");
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dataTypeSupports(params, ["none"]);
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let labelTag = document.createTextNode(params.label);
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params.tag.appendChild(labelTag);
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params.label = undefined;
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return this.createElem(params);
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}
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createTextBox(params) {
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params.tag = document.createElement("input");
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dataTypeSupports(params, ["plaintext", "b64", "json-b64"]);
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return this.createElem(params);
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}
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createMediumTextBox(params) {
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params.tag = document.createElement("textarea");
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params.tag.classList.add("mediumbox")
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dataTypeSupports(params, ["plaintext", "b64", "json-b64"]);
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return this.createElem(params);
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}
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createPasswordInput(params) {
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params.tag = document.createElement("input");
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params.tag.setAttribute("type", "password");
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dataTypeSupports(params, ["plaintext"]);
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return this.createElem(params);
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}
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createNumberInput(params) {
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params.tag = document.createElement("input");
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params.tag.setAttribute("type", "number");
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dataTypeSupports(params, ["number"]);
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if (params.maxValue !== undefined) params.tag.max = params.maxValue;
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if (params.minValue !== undefined) params.tag.min = params.minValue;
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if (params.step !== undefined) params.tag.step = params.step;
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if (params.required !== undefined) params.tag.required = params.required;
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return this.createElem(params);
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}
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createDropDown(params) {
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// example for params.options:
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/*
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[
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{
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value: "volvo"
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name: "Volvo"
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},
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{
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value: "benz"
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name: "Mercedes Benz"
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}
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]
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*/
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params.fragment = new DocumentFragment();
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params.tag = document.createElement("select");
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params.labelTag = document.createElement("label");
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params.labelTag.appendChild(document.createTextNode(params.label));
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params.fragment.appendChild(params.labelTag);
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params.fragment.appendChild(params.tag);
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dataTypeSupports(params, ["category"]);
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for (const option of params.options) {
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let optTag = document.createElement("option");
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optTag.value = option.value;
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optTag.appendChild(document.createTextNode(option.name));
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params.tag.appendChild(optTag);
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}
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params.tag.addEventListener("change", function() {
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for (const elem of this.elements) {
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elem.update();
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}
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}.bind(this));
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return this.createElem(params);
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}
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createTextArea(params) {
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params.tag = document.createElement("textarea");
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dataTypeSupports(params, ["plaintext", "b64", "json-b64"]);
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return this.createElem(params);
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}
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createButton(params) {
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params.fragment = new DocumentFragment();
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params.tag = document.createElement("button");
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params.labelTag = document.createTextNode(params.label);
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params.tag.appendChild(params.labelTag);
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params.fragment.appendChild(params.tag);
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dataTypeSupports(params, ["none"]);
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return this.createElem(params);
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}
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createCheckBox(params) {
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params.fragment = new DocumentFragment();
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params.tag = document.createElement("input");
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params.tag.setAttribute("type", "checkbox");
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params.labelTag = document.createElement("label");
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params.labelTag.appendChild(document.createTextNode(params.label));
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let li = document.createElement("li");
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li.classList.add("checkbox-container");
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params.fragment.appendChild(li);
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li.appendChild(params.tag);
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li.appendChild(params.labelTag);
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dataTypeSupports(params, ["bool"]);
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params.tag.addEventListener("change", function() {
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for (const elem of this.elements) {
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elem.update();
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}
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}.bind(this));
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return this.createElem(params);
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}
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createOutput(params) {
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params.tag = document.createElement("textarea");
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params.tag.setAttribute("readonly", true);
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dataTypeSupports(params, ["plaintext", "b64", "json-b64"]);
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return this.createElem(params);
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}
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}
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function b64ToBuf (b64) {
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let ascii = atob(b64);
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let buf = new ArrayBuffer(ascii.length);
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let bytes = new Uint8Array(buf);
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for (var i = 0; i < ascii.length; i++) {
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bytes[i] = ascii.charCodeAt(i);
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}
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return buf;
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}
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function bufToB64 (buf) {
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let bytes = new Uint8Array(buf);
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let ascii = '';
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for (var i = 0; i < bytes.byteLength; i++) {
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ascii += String.fromCharCode(bytes[i]);
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}
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return btoa(ascii);
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}
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class FormElement extends InterfaceElement {
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constructor({tag, fragment, advanced=false, form,
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value, dataType, placeholder,
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labelTag, label="",
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enabled=true, enabledFunc,
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visibleFunc
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}) {
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let oriVisibleFunc = visibleFunc;
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super({
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fragment,
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enabledFunc,
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visibleFunc: function() {
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let res;
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if (oriVisibleFunc) {
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res = oriVisibleFunc()
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} else {
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res = true;
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}
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if (form !== undefined) {
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if (advanced) {
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if (form.advanced) return res;
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else return false;
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}
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}
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return res;
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}
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});
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this.form = form;
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this.labelText = label;
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if (labelTag === undefined) {
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this.labelTag = document.createElement("label");
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this.labelTag.appendChild(document.createTextNode(this.labelText));
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this.fragment.appendChild(this.labelTag);
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this.fragment.appendChild(tag);
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} else {
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this.labelTag = labelTag;
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}
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this.clearAlerts = this.clearAlerts.bind(this);
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this.handle = tag;
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this.dataType = dataType;
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this.advanced = advanced;
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if (value !== undefined) this.value = value;
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if (placeholder !== undefined) this.handle.placeholder = placeholder;
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}
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get value() {
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this.clearAlerts();
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switch (this.dataType) {
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case "number":
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if (this.handle.checkValidity() == false) {
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this.alertBox("alert-error", this.handle.validationMessage);
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return undefined;
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}
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return Number(this.handle.value);
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case "plaintext":
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return this.handle.value;
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case "b64":
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try {
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return b64ToBuf(this.handle.value);
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} catch (e) {
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this.alertBox("alert-error", "Invalid base64 value.");
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return;
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}
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case "json-b64":
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let jsonString;
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try {
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jsonString = atob(this.handle.value);
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} catch (e) {
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this.alertBox("alert-error", "Invalid base64 value.");
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return;
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}
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try {
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return JSON.parse(jsonString);
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} catch (e) {
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this.alertBox("alert-error", "Invalid JSON encoding.");
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return;
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}
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case "bool":
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return this.handle.checked;
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case "category":
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return this.handle.value;
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case "none":
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return undefined;
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}
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}
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set value(x) {
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switch (this.dataType) {
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case "number":
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case "plaintext":
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this.handle.value = x;
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break;
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case "b64":
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this.handle.value = bufToB64(x);
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break;
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case "json-b64":
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this.handle.value = btoa(JSON.stringify(x));
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break;
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case "bool":
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this.handle.checked = x;
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break;
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case "category":
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this.handle.value = x;
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break;
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}
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}
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alerts = [];
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alertBox(type, message, title) {
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// type is alert-error or alert-info
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if (this.handle === undefined) {
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throw `can not add alert: still undefined`;
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}
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if (this.hidden === true) {
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throw `can not add alert: hidden`;
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}
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if (title === undefined) {
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switch (type) {
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case "alert-info":
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title = "Info: ";
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break;
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case "alert-error":
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title = "Error: ";
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break;
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default:
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title = "";
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break;
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}
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}
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let box = document.createElement("div");
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box.classList.add(type);
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box.classList.add("alert");
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box.appendChild(document.createTextNode(message));
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if (title !== "") {
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let titleTag = document.createElement("strong");
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titleTag.appendChild(document.createTextNode(title));
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box.prepend(titleTag);
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}
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this.handle.after(box);
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this.alerts.push(box);
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}
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handleError(e, extraInfo="") {
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if (extraInfo !== "") {
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extraInfo = ` (${extraInfo})`;
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}
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this.alertBox("alert-error", e.message + extraInfo);
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console.error(e);
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}
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clearAlerts() {
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for (const box of this.alerts) {
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box.remove();
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}
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this.alerts = [];
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}
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}
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class Tab extends InterfaceElement {
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constructor({form, label=""}) {
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super({});
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this.form = form;
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this.handle = document.createElement("button");
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this.fragment.appendChild(this.handle);
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this.handle.appendChild(document.createTextNode(label));
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}
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}
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class TabList extends InterfaceElement {
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constructor({tag, par=document.body}) {
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super({})
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this.par = par;
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if (tag === undefined) {
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this.handle = document.createElement("div");
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this.handle.classList.add("tabList");
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} else {
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this.handle = tag;
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}
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this.fragment.appendChild(this.handle);
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par.appendChild(this.fragment);
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}
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tabs = []
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#activeForm;
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set activeForm(x) {
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this.#activeForm = x;
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for (const tab of this.tabs) {
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if (tab.form !== x) {
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tab.form.hidden = true;
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tab.handle.classList.remove("active");
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} else {
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tab.form.hidden = false;
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tab.handle.classList.add("active");
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}
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}
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}
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get activeForm() {
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return this.#activeForm;
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}
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createForm(params) {
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if (params.par === undefined) params.par = this.par;
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let form = new Form(params);
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let tab = new Tab({
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label: params.label,
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form: form
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});
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this.tabs.push(tab);
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tab.handle.addEventListener('click', function() {
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this.activeForm = form;
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}.bind(this));
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this.handle.appendChild(tab.fragment);
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if (this.activeForm === undefined) this.activeForm = form;
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else form.hidden = true;
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return form;
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}
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}
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