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+todo

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4058 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2022-11-28 02:19:36 +00:00
parent d48b8b0ae1
commit acc14f7318
5 changed files with 305 additions and 0 deletions
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1
apps/cory/todo.json Normal file
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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 Normal file
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import * as tfrpc from '/tfrpc.js';
let g_db;
tfrpc.register(async function todo_get_all() {
let names = await todo_get_names();
let result = [];
for (let name of names) {
result.push({
name: name,
items: await todo_get(name),
});
}
return result;
});
async function todo_get_names() {
return JSON.parse((await g_db.get('files')) ?? '[]');
}
async function todo_add(list) {
let exchanged = false;
let tries = 10;
while (!exchanged && tries-- > 0) {
let original = await g_db.get('files');
let names = JSON.parse(original ?? '[]');
let set = new Set(names);
set.add(list);
names = JSON.stringify([...set].sort());
exchanged = original === names || await g_db.exchange('files', original, names);
}
return exchanged;
}
tfrpc.register(todo_add);
async function todo_remove(list) {
let exchanged = false;
let tries = 10;
while (!exchanged && tries-- > 0) {
let original = await g_db.get('files');
let names = JSON.parse(original ?? '[]');
let set = new Set(names);
set.delete(list);
names = JSON.stringify([...set].sort());
exchanged = original === names || await g_db.exchange('files', original, names);
}
await g_db.remove('list:' + list);
return exchanged;
}
tfrpc.register(todo_remove);
tfrpc.register(async function todo_rename(old_name, new_name) {
if (await g_db.get('list:' + new_name)) {
throw RuntimeError(`${new_name} already exists.`);
}
let list = await todo_get(old_name);
await todo_set(new_name, list);
await todo_add(new_name);
await todo_remove(old_name);
});
async function todo_get(list) {
try {
let value = await g_db.get('list:' + list);
return JSON.parse(value ?? '[]');
} catch (error) {
print(error);
return [];
}
}
async function todo_set(list, value) {
await g_db.set('list:' + list, JSON.stringify(value));
}
tfrpc.register(todo_set);
async function main() {
g_db = await database('todo');
await app.setDocument(utf8Decode(getFile('index.html')));
}
main();

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apps/cory/todo/index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>TODO</title>
</head>
<body style="color: #fff">
<h1>TODO</h1>
<tf-todos></tf-todos>
</body>
<script src="script.js" type="module"></script>
</html>

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apps/cory/todo/lit-core.min.js vendored Normal file
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apps/cory/todo/script.js Normal file
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import {LitElement, html} from './lit-core.min.js';
import * as tfrpc from '/static/tfrpc.js';
class TodosElement extends LitElement {
static get properties() {
return {
lists: {type: Array}
};
}
constructor() {
super();
this.lists = [];
let self = this;
tfrpc.rpc.todo_get_all().then(function(lists) {
self.lists = lists;
}).catch(function(error) {
console.log(error);
});
}
async new_list() {
await tfrpc.rpc.todo_add('new list');
await this.refresh();
}
async refresh() {
this.lists = await tfrpc.rpc.todo_get_all();
}
render() {
return html`
<div>
<div style="display: flex">
${this.lists.map(x => html`
<tf-todo-list name=${x.name} .items=${x.items} @change=${this.refresh}></tf-todo-list>
`)}
</div>
<input type="button" @click=${this.new_list} value="+ List"></input>
</div>`;
}
}
class TodoListElement extends LitElement {
static get properties() {
return {
name: {type: String},
items: {type: Array},
editing: {type: Number},
editing_name: {type: Boolean},
};
}
constructor() {
super();
this.items = [];
}
save() {
tfrpc.rpc.todo_set(this.name, this.items).catch(function(error) {
console.log(error);
});
}
remove_item(item) {
let index = this.items.indexOf(item);
this.items = [].concat(this.items.slice(0, index), this.items.slice(index + 1));
this.save();
}
handle_check(event, item) {
item.x = event.srcElement.checked;
this.save();
}
input_blur(item) {
this.save();
this.editing = undefined;
}
input_change(event, item) {
item.text = event.srcElement.value;
}
input_keydown(event, item) {
if (event.key === 'Enter' || event.key === 'Escape') {
item.text = event.srcElement.value;
this.editing = undefined;
}
}
updated() {
let edit = this.renderRoot.getElementById('edit');
if (edit) {
edit.select();
}
}
render_item(item) {
let index = this.items.indexOf(item);
let self = this;
if (index === this.editing) {
return html`
<div><input type="checkbox" ?checked=${item.x} @change=${x => self.handle_check(x, item)}></input>
<input
id="edit"
type="text"
value=${item.text}
@change=${event => self.input_change(event, item)}
@keydown=${event => self.input_keydown(event, item)}
@blur=${x => self.input_blur(item)}></input>
<span @click=${x => self.remove_item(item)}>x</span></div>
`;
} else {
return html`
<div><input type="checkbox" ?checked=${item.x} @change=${x => self.handle_check(x, item)}></input>
<span @click=${x => self.editing = index}>${item.text}</span>
<span @click=${x => self.remove_item(item)} style="cursor: pointer">❎</span></div>
`;
}
}
add_item() {
this.items = [].concat(this.items || [], [{text: 'new item'}]);
this.editing = this.items.length - 1;
this.save();
}
async remove_list() {
if (confirm(`Are you sure you want to remove "${this.name}"?`)) {
await tfrpc.rpc.todo_remove(this.name);
this.dispatchEvent(new Event('change'));
}
}
rename(new_name) {
let self = this;
return tfrpc.rpc.todo_rename(this.name, new_name).then(function() {
self.dispatchEvent(new Event('change'));
self.editing_name = false;
}).catch(function(error) {
console.log(error);
alert(error.message);
self.editing_name = false;
});
}
name_blur(new_name) {
this.rename(new_name);
}
name_keydown(event, item) {
let self = this;
if (event.key == 'Enter' || event.key === 'Escape') {
let new_name = event.srcElement.value;
this.rename(new_name);
}
}
render() {
let self = this;
let name = this.editing_name ?
html`<input
type="text"
id="edit"
@keydown=${event => self.name_keydown(event)}
@blur=${event => self.name_blur(event.srcElement.value)}
value=${this.name}></input>` :
html`<h2 @click=${x => this.editing_name = true}>${this.name}</h2>`;
return html`
<div style="border: 3px solid black; padding: 8px; margin: 8px; border-radius: 8px; background-color: #444">
${name}
${(this.items || []).map(x => self.render_item(x))}
<button @click=${self.add_item}>+ Item</button>
<button @click=${self.remove_list}>- List</button>
</div>
`;
}
}
customElements.define('tf-todo-list', TodoListElement);
customElements.define('tf-todos', TodosElement);