+todo
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4058 ed5197a5-7fde-0310-b194-c3ffbd925b24
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1
apps/cory/todo.json
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1
apps/cory/todo.json
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{"type":"tildefriends-app","files":{"app.js":"&QUR1tKa15B5Or8AfPX/8Zs87teSeX0Mh/HF7PEPBom0=.sha256","index.html":"&QXhwvxhHc9fa8iL6088hGDu9FgWdY7wkXgvU2BMNv0A=.sha256","lit-core.min.js":"&tP9KhbgwF1chFqPtkNZ12Yx9AfkpnSjFiPcX5Pw5J9g=.sha256","script.js":"&9RTYD4Le7b6WvqJ8M2TRhZEM0oo6gRVbquZfbvtVIBQ=.sha256"}}
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apps/cory/todo/app.js
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apps/cory/todo/app.js
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import * as tfrpc from '/tfrpc.js';
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let g_db;
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tfrpc.register(async function todo_get_all() {
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let names = await todo_get_names();
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let result = [];
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for (let name of names) {
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result.push({
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name: name,
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items: await todo_get(name),
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});
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}
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return result;
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});
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async function todo_get_names() {
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return JSON.parse((await g_db.get('files')) ?? '[]');
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}
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async function todo_add(list) {
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let exchanged = false;
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let tries = 10;
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while (!exchanged && tries-- > 0) {
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let original = await g_db.get('files');
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let names = JSON.parse(original ?? '[]');
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let set = new Set(names);
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set.add(list);
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names = JSON.stringify([...set].sort());
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exchanged = original === names || await g_db.exchange('files', original, names);
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}
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return exchanged;
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}
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tfrpc.register(todo_add);
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async function todo_remove(list) {
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let exchanged = false;
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let tries = 10;
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while (!exchanged && tries-- > 0) {
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let original = await g_db.get('files');
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let names = JSON.parse(original ?? '[]');
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let set = new Set(names);
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set.delete(list);
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names = JSON.stringify([...set].sort());
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exchanged = original === names || await g_db.exchange('files', original, names);
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}
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await g_db.remove('list:' + list);
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return exchanged;
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}
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tfrpc.register(todo_remove);
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tfrpc.register(async function todo_rename(old_name, new_name) {
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if (await g_db.get('list:' + new_name)) {
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throw RuntimeError(`${new_name} already exists.`);
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}
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let list = await todo_get(old_name);
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await todo_set(new_name, list);
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await todo_add(new_name);
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await todo_remove(old_name);
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});
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async function todo_get(list) {
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try {
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let value = await g_db.get('list:' + list);
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return JSON.parse(value ?? '[]');
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} catch (error) {
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print(error);
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return [];
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}
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}
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async function todo_set(list, value) {
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await g_db.set('list:' + list, JSON.stringify(value));
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}
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tfrpc.register(todo_set);
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async function main() {
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g_db = await database('todo');
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await app.setDocument(utf8Decode(getFile('index.html')));
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}
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main();
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11
apps/cory/todo/index.html
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apps/cory/todo/index.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>TODO</title>
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</head>
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<body style="color: #fff">
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<h1>TODO</h1>
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<tf-todos></tf-todos>
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</body>
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<script src="script.js" type="module"></script>
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</html>
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29
apps/cory/todo/lit-core.min.js
vendored
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29
apps/cory/todo/lit-core.min.js
vendored
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apps/cory/todo/script.js
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apps/cory/todo/script.js
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import {LitElement, html} from './lit-core.min.js';
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import * as tfrpc from '/static/tfrpc.js';
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class TodosElement extends LitElement {
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static get properties() {
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return {
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lists: {type: Array}
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};
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}
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constructor() {
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super();
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this.lists = [];
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let self = this;
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tfrpc.rpc.todo_get_all().then(function(lists) {
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self.lists = lists;
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}).catch(function(error) {
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console.log(error);
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});
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}
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async new_list() {
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await tfrpc.rpc.todo_add('new list');
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await this.refresh();
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}
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async refresh() {
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this.lists = await tfrpc.rpc.todo_get_all();
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}
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render() {
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return html`
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<div>
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<div style="display: flex">
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${this.lists.map(x => html`
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<tf-todo-list name=${x.name} .items=${x.items} @change=${this.refresh}></tf-todo-list>
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`)}
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</div>
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<input type="button" @click=${this.new_list} value="+ List"></input>
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</div>`;
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}
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}
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class TodoListElement extends LitElement {
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static get properties() {
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return {
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name: {type: String},
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items: {type: Array},
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editing: {type: Number},
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editing_name: {type: Boolean},
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};
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}
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constructor() {
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super();
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this.items = [];
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}
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save() {
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tfrpc.rpc.todo_set(this.name, this.items).catch(function(error) {
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console.log(error);
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});
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}
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remove_item(item) {
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let index = this.items.indexOf(item);
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this.items = [].concat(this.items.slice(0, index), this.items.slice(index + 1));
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this.save();
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}
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handle_check(event, item) {
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item.x = event.srcElement.checked;
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this.save();
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}
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input_blur(item) {
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this.save();
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this.editing = undefined;
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}
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input_change(event, item) {
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item.text = event.srcElement.value;
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}
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input_keydown(event, item) {
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if (event.key === 'Enter' || event.key === 'Escape') {
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item.text = event.srcElement.value;
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this.editing = undefined;
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}
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}
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updated() {
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let edit = this.renderRoot.getElementById('edit');
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if (edit) {
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edit.select();
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}
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}
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render_item(item) {
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let index = this.items.indexOf(item);
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let self = this;
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if (index === this.editing) {
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return html`
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<div><input type="checkbox" ?checked=${item.x} @change=${x => self.handle_check(x, item)}></input>
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<input
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id="edit"
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type="text"
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value=${item.text}
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@change=${event => self.input_change(event, item)}
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@keydown=${event => self.input_keydown(event, item)}
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@blur=${x => self.input_blur(item)}></input>
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<span @click=${x => self.remove_item(item)}>x</span></div>
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`;
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} else {
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return html`
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<div><input type="checkbox" ?checked=${item.x} @change=${x => self.handle_check(x, item)}></input>
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<span @click=${x => self.editing = index}>${item.text}</span>
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<span @click=${x => self.remove_item(item)} style="cursor: pointer">❎</span></div>
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`;
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}
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}
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add_item() {
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this.items = [].concat(this.items || [], [{text: 'new item'}]);
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this.editing = this.items.length - 1;
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this.save();
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}
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async remove_list() {
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if (confirm(`Are you sure you want to remove "${this.name}"?`)) {
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await tfrpc.rpc.todo_remove(this.name);
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this.dispatchEvent(new Event('change'));
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}
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}
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rename(new_name) {
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let self = this;
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return tfrpc.rpc.todo_rename(this.name, new_name).then(function() {
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self.dispatchEvent(new Event('change'));
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self.editing_name = false;
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}).catch(function(error) {
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console.log(error);
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alert(error.message);
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self.editing_name = false;
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});
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}
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name_blur(new_name) {
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this.rename(new_name);
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}
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name_keydown(event, item) {
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let self = this;
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if (event.key == 'Enter' || event.key === 'Escape') {
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let new_name = event.srcElement.value;
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this.rename(new_name);
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}
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}
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render() {
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let self = this;
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let name = this.editing_name ?
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html`<input
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type="text"
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id="edit"
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@keydown=${event => self.name_keydown(event)}
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@blur=${event => self.name_blur(event.srcElement.value)}
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value=${this.name}></input>` :
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html`<h2 @click=${x => this.editing_name = true}>${this.name}</h2>`;
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return html`
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<div style="border: 3px solid black; padding: 8px; margin: 8px; border-radius: 8px; background-color: #444">
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${name}
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${(this.items || []).map(x => self.render_item(x))}
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<button @click=${self.add_item}>+ Item</button>
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<button @click=${self.remove_list}>- List</button>
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</div>
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`;
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}
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}
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customElements.define('tf-todo-list', TodoListElement);
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customElements.define('tf-todos', TodosElement);
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