mirror of https://github.com/glanceapp/glance.git
Add todo widget
Svilen Markov
parent
4ed8bef562
commit
dd91a506fa
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After Width: | Height: | Size: 792 KiB |
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After Width: | Height: | Size: 9.3 KiB |
@ -0,0 +1,129 @@
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.todo-widget {
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padding-top: 4rem;
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}
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.todo-plus-icon {
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--icon-color: var(--color-text-subdue);
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position: relative;
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width: 1.4rem;
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height: 1.4rem;
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}
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.todo-plus-icon::before, .todo-plus-icon::after {
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content: "";
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position: absolute;
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background-color: var(--icon-color);
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transition: background-color .2s;
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}
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.todo-plus-icon::before {
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width: 2px;
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inset-block: 0.2rem;
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left: 50%;
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transform: translateX(-50%);
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}
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.todo-plus-icon::after {
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height: 2px;
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inset-inline: 0.2rem;
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top: 50%;
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transform: translateY(-50%);
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}
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.todo-input textarea::placeholder {
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color: var(--color-text-base-muted);
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}
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.todo-input {
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position: relative;
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color: var(--color-text-highlight);
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}
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.todo-input:focus-within .todo-plus-icon {
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--icon-color: var(--color-text-base);
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}
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.todo-item {
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transform-origin: center;
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padding: 0.5rem 0;
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}
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.todo-item-checkbox {
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-webkit-appearance: none;
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appearance: none;
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border: 2px solid var(--color-text-subdue);
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width: 1.4rem;
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height: 1.4rem;
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position: relative;
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cursor: pointer;
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border-radius: 0.3rem;
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transition: border-color .2s;
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}
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.todo-item-checkbox::before {
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content: "";
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inset: -1rem;
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position: absolute;
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}
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.todo-item-checkbox::after {
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content: '';
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position: absolute;
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inset: 0.3rem;
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border-radius: 0.1rem;
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opacity: 0;
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transition: opacity .2s;
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}
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.todo-item-checkbox:checked::after {
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background: var(--color-primary);
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opacity: 1;
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}
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.todo-item-checkbox:focus-visible {
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outline: none;
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border-color: var(--color-primary);
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}
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.todo-item-text {
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color: var(--color-text-base);
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transition: color .35s;
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}
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.todo-item-text:focus {
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color: var(--color-text-highlight);
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}
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.todo-item-drag-handle {
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position: absolute;
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top: -0.5rem;
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inset-inline: 0;
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height: 1rem;
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cursor: grab;
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}
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.todo-item.is-being-dragged .todo-item-drag-handle {
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height: 3rem;
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top: -1.5rem;
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}
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.todo-item:has(.todo-item-checkbox:checked) .todo-item-text {
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text-decoration: line-through;
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color: var(--color-text-subdue);
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}
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.todo-item-delete {
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width: 1.5rem;
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height: 1.5rem;
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opacity: 0;
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transition: opacity .2s;
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outline-offset: .5rem;
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}
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.todo-item:hover .todo-item-delete, .todo-item:focus-within .todo-item-delete {
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opacity: 1;
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}
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.todo-item.is-being-dragged .todo-item-delete {
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opacity: 0;
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}
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@ -0,0 +1,442 @@
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import { elem, fragment } from "./templating.js";
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import { animateReposition } from "./animations.js";
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import { clamp, Vec2, toggleableEvents, throttledDebounce } from "./utils.js";
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const trashIconSvg = `<svg fill="currentColor" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16">
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<path fill-rule="evenodd" d="M5 3.25V4H2.75a.75.75 0 0 0 0 1.5h.3l.815 8.15A1.5 1.5 0 0 0 5.357 15h5.285a1.5 1.5 0 0 0 1.493-1.35l.815-8.15h.3a.75.75 0 0 0 0-1.5H11v-.75A2.25 2.25 0 0 0 8.75 1h-1.5A2.25 2.25 0 0 0 5 3.25Zm2.25-.75a.75.75 0 0 0-.75.75V4h3v-.75a.75.75 0 0 0-.75-.75h-1.5ZM6.05 6a.75.75 0 0 1 .787.713l.275 5.5a.75.75 0 0 1-1.498.075l-.275-5.5A.75.75 0 0 1 6.05 6Zm3.9 0a.75.75 0 0 1 .712.787l-.275 5.5a.75.75 0 0 1-1.498-.075l.275-5.5a.75.75 0 0 1 .786-.711Z" clip-rule="evenodd" />
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</svg>`;
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export default function(element) {
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element.swapWith(
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Todo(element.dataset.todoId)
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)
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}
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function itemAnim(height, entrance = true) {
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const visible = { height: height + "px", opacity: 1 };
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const hidden = { height: "0", opacity: 0, padding: "0" };
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return {
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keyframes: [
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entrance ? hidden : visible,
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entrance ? visible : hidden
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],
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options: { duration: 200, easing: "ease" }
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}
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}
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function inputMarginAnim(entrance = true) {
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const amount = "1.5rem";
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return {
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keyframes: [
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{ marginBottom: entrance ? "0px" : amount },
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{ marginBottom: entrance ? amount : "0" }
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],
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options: { duration: 200, easing: "ease", fill: "forwards" }
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}
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}
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function loadFromLocalStorage(id) {
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return JSON.parse(localStorage.getItem(`todo-${id}`) || "[]");
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}
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function saveToLocalStorage(id, data) {
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localStorage.setItem(`todo-${id}`, JSON.stringify(data));
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}
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function Item(unserialize = {}, onUpdate, onDelete, onEscape, onDragStart) {
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let item, input, inputArea;
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const serializeable = {
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text: unserialize.text || "",
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checked: unserialize.checked || false
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};
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item = elem().classes("todo-item", "flex", "gap-10", "items-center").append(
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elem("input")
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.classes("todo-item-checkbox", "shrink-0")
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.styles({ marginTop: "-0.1rem" })
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.attrs({ type: "checkbox" })
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.on("change", (e) => {
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serializeable.checked = e.target.checked;
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onUpdate();
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})
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.tap(self => self.checked = serializeable.checked),
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input = autoScalingTextarea(textarea => inputArea = textarea
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.classes("todo-item-text")
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.attrs({
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placeholder: "empty task",
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spellcheck: "false"
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})
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.on("keydown", (e) => {
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if (e.key === "Enter") {
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e.preventDefault();
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} else if (e.key === "Escape") {
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e.preventDefault();
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onEscape();
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}
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})
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.on("input", () => {
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serializeable.text = inputArea.value;
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onUpdate();
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})
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).classes("min-width-0", "grow").append(
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elem()
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.classes("todo-item-drag-handle")
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.on("mousedown", (e) => onDragStart(e, item))
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),
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elem("button")
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.classes("todo-item-delete", "shrink-0")
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.html(trashIconSvg)
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.on("click", () => onDelete(item))
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);
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input.component.setValue(serializeable.text);
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return item.component({
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focusInput: () => inputArea.focus(),
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serialize: () => serializeable
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});
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}
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function Todo(id) {
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let items, input, inputArea, inputContainer, lastAddedItem;
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let queuedForRemoval = 0;
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let reorderable;
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let isDragging = false;
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const onDragEnd = () => isDragging = false;
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const onDragStart = (event, element) => {
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isDragging = true;
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reorderable.component.onDragStart(event, element);
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};
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const saveItems = () => {
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if (isDragging) return;
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saveToLocalStorage(
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id, items.children.map(item => item.component.serialize())
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);
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};
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const onItemRepositioned = () => saveItems();
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const debouncedOnItemUpdate = throttledDebounce(saveItems, 10, 1000);
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const onItemDelete = (item) => {
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if (lastAddedItem === item) lastAddedItem = null;
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const height = item.clientHeight;
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queuedForRemoval++;
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item.animate(itemAnim(height, false), () => {
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item.remove();
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queuedForRemoval--;
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saveItems();
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});
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if (items.children.length - queuedForRemoval === 0)
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inputContainer.animate(inputMarginAnim(false));
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};
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const newItem = (data) => Item(
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data,
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debouncedOnItemUpdate,
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onItemDelete,
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() => inputArea.focus(),
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onDragStart
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);
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const addNewItem = (itemText, prepend) => {
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const totalItemsBeforeAppending = items.children.length;
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const item = lastAddedItem = newItem({ text: itemText });
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prepend ? items.prepend(item) : items.append(item);
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saveItems();
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const height = item.clientHeight;
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item.animate(itemAnim(height));
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if (totalItemsBeforeAppending === 0)
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inputContainer.animate(inputMarginAnim());
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};
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const handleInputKeyDown = (e) => {
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switch (e.key) {
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case "Enter":
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e.preventDefault();
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const value = e.target.value.trim();
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if (value === "") return;
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addNewItem(value, e.ctrlKey);
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input.component.setValue("");
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break;
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case "Escape":
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e.target.blur();
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break;
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case "ArrowDown":
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if (!lastAddedItem) return;
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e.preventDefault();
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lastAddedItem.component.focusInput();
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break;
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}
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};
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items = elem()
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.classes("todo-items")
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.append(
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...loadFromLocalStorage(id).map(data => newItem(data))
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);
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return fragment().append(
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inputContainer = elem()
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.classes("todo-input", "flex", "gap-10", "items-center")
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.classesIf(items.children.length > 0, "margin-bottom-15")
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.styles({ paddingRight: "2.5rem" })
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.append(
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elem().classes("todo-plus-icon", "shrink-0"),
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input = autoScalingTextarea(textarea => inputArea = textarea
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.on("keydown", handleInputKeyDown)
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.attrs({
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placeholder: "Add a task",
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spellcheck: "false"
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})
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).classes("grow", "min-width-0")
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),
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reorderable = verticallyReorderable(items, onItemRepositioned, onDragEnd),
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);
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}
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// See https://css-tricks.com/the-cleanest-trick-for-autogrowing-textareas/
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export function autoScalingTextarea(yieldTextarea = null) {
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let textarea, mimic;
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const updateMimic = (newValue) => mimic.text(newValue + ' ');
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const container = elem().classes("auto-scaling-textarea-container").append(
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textarea = elem("textarea")
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.classes("auto-scaling-textarea")
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.on("input", () => updateMimic(textarea.value)),
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mimic = elem().classes("auto-scaling-textarea-mimic")
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)
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if (typeof yieldTextarea === "function") yieldTextarea(textarea);
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return container.component({ setValue: (newValue) => {
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textarea.value = newValue;
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updateMimic(newValue);
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}});
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}
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export function verticallyReorderable(itemsContainer, onItemRepositioned, onDragEnd) {
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const classToAddToDraggedItem = "is-being-dragged";
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const currentlyBeingDragged = {
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element: null,
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initialIndex: null,
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clientOffset: Vec2.new(),
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};
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const decoy = {
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element: null,
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currentIndex: null,
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};
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const draggableContainer = {
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element: null,
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initialRect: null,
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};
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const lastClientPos = Vec2.new();
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let initialScrollY = null;
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let addDocumentEvents, removeDocumentEvents;
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const handleReposition = (event) => {
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if (currentlyBeingDragged.element == null) return;
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if (event.clientY !== undefined && event.clientX !== undefined)
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lastClientPos.setFromEvent(event);
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const client = lastClientPos;
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const container = draggableContainer;
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const item = currentlyBeingDragged;
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const scrollOffset = window.scrollY - initialScrollY;
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const offsetY = client.y - container.initialRect.y - item.clientOffset.y + scrollOffset;
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const offsetX = client.x - container.initialRect.x - item.clientOffset.x;
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const scrollbarWidth = window.innerWidth - document.documentElement.clientWidth;
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const viewportWidth = window.innerWidth - scrollbarWidth;
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const confinedX = clamp(
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offsetX,
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-container.initialRect.x,
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viewportWidth - container.initialRect.x - container.initialRect.width
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);
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container.element.styles({
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transform: `translate(${confinedX}px, ${offsetY}px)`,
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});
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const containerTop = client.y - item.clientOffset.y;
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const containerBottom = client.y + container.initialRect.height - item.clientOffset.y;
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let swapWithLast = true;
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let swapWithIndex = null;
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for (let i = 0; i < itemsContainer.children.length; i++) {
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const childRect = itemsContainer.children[i].getBoundingClientRect();
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const topThreshold = childRect.top + childRect.height * .6;
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const bottomThreshold = childRect.top + childRect.height * .4;
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if (containerBottom > topThreshold) {
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if (containerTop < bottomThreshold && i != decoy.currentIndex) {
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swapWithIndex = i;
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swapWithLast = false;
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break;
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}
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continue;
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};
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swapWithLast = false;
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if (i == decoy.currentIndex || i-1 == decoy.currentIndex) break;
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swapWithIndex = (i < decoy.currentIndex) ? i : i-1;
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break;
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}
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const lastItemIndex = itemsContainer.children.length - 1;
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if (swapWithLast && decoy.currentIndex != lastItemIndex)
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swapWithIndex = lastItemIndex;
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if (swapWithIndex === null)
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return;
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const diff = swapWithIndex - decoy.currentIndex;
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if (Math.abs(diff) > 1) {
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swapWithIndex = decoy.currentIndex + Math.sign(diff);
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}
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const siblingToSwapWith = itemsContainer.children[swapWithIndex];
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if (siblingToSwapWith.isCurrentlyAnimating) return;
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const animateDecoy = animateReposition(decoy.element);
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const animateChild = animateReposition(
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siblingToSwapWith,
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() => {
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siblingToSwapWith.isCurrentlyAnimating = false;
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handleReposition({
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clientX: client.x,
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clientY: client.y,
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});
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}
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);
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siblingToSwapWith.isCurrentlyAnimating = true;
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if (swapWithIndex > decoy.currentIndex)
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decoy.element.before(siblingToSwapWith);
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else
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decoy.element.after(siblingToSwapWith);
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decoy.currentIndex = itemsContainer.children.indexOf(decoy.element);
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animateDecoy();
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animateChild();
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}
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const handleRelease = (event) => {
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if (event.buttons != 0) return;
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removeDocumentEvents();
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const item = currentlyBeingDragged;
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const element = item.element;
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element.styles({ pointerEvents: "none" });
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const animate = animateReposition(element, () => {
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item.element = null;
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element
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.clearClasses(classToAddToDraggedItem)
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.clearStyles("pointer-events");
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if (typeof onDragEnd === "function") onDragEnd(element);
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if (item.initialIndex != decoy.currentIndex && typeof onItemRepositioned === "function")
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onItemRepositioned(element, item.initialIndex, decoy.currentIndex);
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});
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decoy.element.swapWith(element);
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draggableContainer.element.append(decoy.element);
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draggableContainer.element.clearStyles("transform", "width");
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item.element = null;
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decoy.element.remove();
|
||||
|
||||
animate();
|
||||
}
|
||||
|
||||
const preventDefault = (event) => {
|
||||
event.preventDefault();
|
||||
};
|
||||
|
||||
const handleGrab = (event, element) => {
|
||||
if (currentlyBeingDragged.element != null) return;
|
||||
|
||||
event.preventDefault();
|
||||
|
||||
const item = currentlyBeingDragged;
|
||||
if (item.element != null) return;
|
||||
|
||||
addDocumentEvents();
|
||||
initialScrollY = window.scrollY;
|
||||
const client = lastClientPos.setFromEvent(event);
|
||||
const elementRect = element.getBoundingClientRect();
|
||||
|
||||
item.element = element;
|
||||
item.initialIndex = decoy.currentIndex = itemsContainer.children.indexOf(element);
|
||||
item.clientOffset.set(client.x - elementRect.x, client.y - elementRect.y);
|
||||
|
||||
// We use getComputedStyle here to get width and height because .clientWidth and .clientHeight
|
||||
// return integers and not the real float values, which can cause the decoy to be off by a pixel
|
||||
const elementStyle = getComputedStyle(element);
|
||||
const initialWidth = elementStyle.width;
|
||||
|
||||
decoy.element = elem().classes("drag-and-drop-decoy").styles({
|
||||
height: elementStyle.height,
|
||||
width: initialWidth,
|
||||
});
|
||||
|
||||
const container = draggableContainer;
|
||||
|
||||
element.swapWith(decoy.element);
|
||||
container.element.append(element);
|
||||
element.classes(classToAddToDraggedItem);
|
||||
|
||||
decoy.element.animate({
|
||||
keyframes: [{ transform: "scale(.9)", opacity: 0, offset: 0 }],
|
||||
options: { duration: 300, easing: "ease" }
|
||||
})
|
||||
|
||||
container.element.styles({ width: initialWidth, transform: "none" });
|
||||
container.initialRect = container.element.getBoundingClientRect();
|
||||
|
||||
const offsetY = elementRect.y - container.initialRect.y;
|
||||
const offsetX = elementRect.x - container.initialRect.x;
|
||||
|
||||
container.element.styles({ transform: `translate(${offsetX}px, ${offsetY}px)` });
|
||||
}
|
||||
|
||||
[addDocumentEvents, removeDocumentEvents] = toggleableEvents(document, {
|
||||
"mousemove": handleReposition,
|
||||
"scroll": handleReposition,
|
||||
"mousedown": preventDefault,
|
||||
"contextmenu": preventDefault,
|
||||
"mouseup": handleRelease,
|
||||
});
|
||||
|
||||
return elem().classes("drag-and-drop-container").append(
|
||||
itemsContainer,
|
||||
draggableContainer.element = elem().classes("drag-and-drop-draggable")
|
||||
).component({
|
||||
onDragStart: handleGrab
|
||||
});
|
||||
}
|
||||
@ -0,0 +1,5 @@
|
||||
{{ template "widget-base.html" . }}
|
||||
|
||||
{{ define "widget-content" }}
|
||||
<div class="todo" data-todo-id="{{ .TodoID }}"></div>
|
||||
{{ end }}
|
||||
@ -0,0 +1,24 @@
|
||||
package glance
|
||||
|
||||
import (
|
||||
"html/template"
|
||||
)
|
||||
|
||||
var todoWidgetTemplate = mustParseTemplate("todo.html", "widget-base.html")
|
||||
|
||||
type todoWidget struct {
|
||||
widgetBase `yaml:",inline"`
|
||||
cachedHTML template.HTML `yaml:"-"`
|
||||
TodoID string `yaml:"id"`
|
||||
}
|
||||
|
||||
func (widget *todoWidget) initialize() error {
|
||||
widget.withTitle("Todo").withError(nil)
|
||||
|
||||
widget.cachedHTML = widget.renderTemplate(widget, todoWidgetTemplate)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (widget *todoWidget) Render() template.HTML {
|
||||
return widget.cachedHTML
|
||||
}
|
||||
Loading…
Reference in New Issue