346 lines
13 KiB
JavaScript
346 lines
13 KiB
JavaScript
import { __decorate } from "tslib";
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import { html } from 'lit';
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import { customElement, property } from 'lit/decorators.js';
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import { when } from 'lit/directives/when.js';
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import { MduiElement } from '@mdui/shared/base/mdui-element.js';
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import { watch } from '@mdui/shared/decorators/watch.js';
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import { animateTo, stopAnimations } from '@mdui/shared/helpers/animate.js';
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import { breakpoint } from '@mdui/shared/helpers/breakpoint.js';
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import { booleanConverter } from '@mdui/shared/helpers/decorator.js';
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import { getDuration, getEasing } from '@mdui/shared/helpers/motion.js';
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import { observeResize } from '@mdui/shared/helpers/observeResize.js';
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import { nothingTemplate } from '@mdui/shared/helpers/template.js';
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import '@mdui/shared/icons/clear.js';
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import { componentStyle } from '@mdui/shared/lit-styles/component-style.js';
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import '../button-icon.js';
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import '../button.js';
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import '../icon.js';
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import { style } from './style.js';
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// snackbar 堆叠时的数组
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const stacks = [];
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// 是否重新排序中，mobile 变化时，仅重新排序一次
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let reordering = false;
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/**
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* @summary 消息条组件
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*
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* ```html
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* <mdui-snackbar>message</mdui-snackbar>
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* ```
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*
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* @event open - Snackbar 开始显示时，事件被触发。可以通过调用 `event.preventDefault()` 阻止 Snackbar 显示
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* @event opened - Snackbar 显示动画完成时，事件被触发
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* @event close - Snackbar 开始隐藏时，事件被触发。可以通过调用 `event.preventDefault()` 阻止 Snackbar 关闭
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* @event closed - Snackbar 隐藏动画完成时，事件被触发
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* @event action-click - 点击操作按钮时触发
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*
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* @slot - Snackbar 的消息文本内容
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* @slot action - 右侧的操作按钮
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* @slot close-button - 右侧的关闭按钮。必须设置 `closeable` 属性为 `true` 才会显示
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* @slot close-icon - 关闭按钮中的图标
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*
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* @csspart message - 消息文本
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* @csspart action - 操作按钮
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* @csspart close-button - 关闭按钮
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* @csspart close-icon - 关闭按钮中的图标
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*
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* @cssprop --shape-corner - 组件的圆角大小。可以指定一个具体的像素值；但更推荐引用[设计令牌](/docs/2/styles/design-tokens#shape-corner)
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* @cssprop --z-index - 组件的 CSS `z-index` 值
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*/
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let Snackbar = class Snackbar extends MduiElement {
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constructor() {
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super();
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/**
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* 是否显示 Snackbar
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*/
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this.open = false;
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/**
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* Snackbar 的显示位置。默认为 `bottom`。可选值包括：
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*
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* * `top`：顶部居中
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* * `top-start`：顶部左对齐
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* * `top-end`：顶部右对齐
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* * `bottom`：底部居中
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* * `bottom-start`：底部左对齐
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* * `bottom-end`：底部右对齐
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*/
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this.placement = 'bottom';
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/**
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* 操作按钮是否处于加载中状态
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*/
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this.actionLoading = false;
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/**
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* 是否在右侧显示关闭按钮
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*/
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this.closeable = false;
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/**
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* 自动关闭的延迟时间（单位：毫秒）。设置为 `0` 则不自动关闭。默认为 5000 毫秒
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*/
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this.autoCloseDelay = 5000;
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/**
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* 点击或触摸 Snackbar 以外的区域时，是否关闭 Snackbar
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*/
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this.closeOnOutsideClick = false;
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this.mobile = false;
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this.onDocumentClick = this.onDocumentClick.bind(this);
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}
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async onOpenChange() {
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const easingLinear = getEasing(this, 'linear');
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const children = Array.from(this.renderRoot.querySelectorAll('.message, .action-group'));
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// 打开
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// 要区分是否首次渲染，首次渲染时不触发事件，不执行动画；非首次渲染，触发事件，执行动画
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if (this.open) {
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const hasUpdated = this.hasUpdated;
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if (!hasUpdated) {
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await this.updateComplete;
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}
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if (hasUpdated) {
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const eventProceeded = this.emit('open', { cancelable: true });
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if (!eventProceeded) {
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return;
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}
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}
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window.clearTimeout(this.closeTimeout);
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if (this.autoCloseDelay) {
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this.closeTimeout = window.setTimeout(() => {
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this.open = false;
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}, this.autoCloseDelay);
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}
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this.style.display = 'flex';
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await Promise.all([
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stopAnimations(this),
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...children.map((child) => stopAnimations(child)),
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]);
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stacks.push({
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height: this.clientHeight,
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snackbar: this,
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});
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await this.reorderStack(this);
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const duration = getDuration(this, 'medium4');
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await Promise.all([
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animateTo(this, [{ opacity: 0 }, { opacity: 1, offset: 0.5 }, { opacity: 1 }], {
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duration: hasUpdated ? duration : 0,
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easing: easingLinear,
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fill: 'forwards',
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}),
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...children.map((child) => animateTo(child, [
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{ opacity: 0 },
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{ opacity: 0, offset: 0.2 },
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{ opacity: 1, offset: 0.8 },
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{ opacity: 1 },
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], {
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duration: hasUpdated ? duration : 0,
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easing: easingLinear,
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})),
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]);
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if (hasUpdated) {
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this.emit('opened');
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}
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return;
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}
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// 关闭
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if (!this.open && this.hasUpdated) {
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const eventProceeded = this.emit('close', { cancelable: true });
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if (!eventProceeded) {
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return;
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}
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window.clearTimeout(this.closeTimeout);
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await Promise.all([
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stopAnimations(this),
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...children.map((child) => stopAnimations(child)),
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]);
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const duration = getDuration(this, 'short4');
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await Promise.all([
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animateTo(this, [{ opacity: 1 }, { opacity: 0 }], {
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duration,
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easing: easingLinear,
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fill: 'forwards',
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}),
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...children.map((child) => animateTo(child, [{ opacity: 1 }, { opacity: 0, offset: 0.75 }, { opacity: 0 }], {
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duration,
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easing: easingLinear,
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})),
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]);
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this.style.display = 'none';
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this.emit('closed');
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const stackIndex = stacks.findIndex((stack) => stack.snackbar === this);
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stacks.splice(stackIndex, 1);
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if (stacks[stackIndex]) {
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await this.reorderStack(stacks[stackIndex].snackbar);
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}
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return;
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}
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}
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/**
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* 这两个属性变更时，需要重新排序该组件后面的 snackbar
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*/
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async onStackChange() {
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await this.reorderStack(this);
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}
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connectedCallback() {
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super.connectedCallback();
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document.addEventListener('pointerdown', this.onDocumentClick);
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// 先立即计算一次，避免在首次 open 时还未计算完成
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this.mobile = breakpoint().down('sm');
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this.observeResize = observeResize(document.documentElement, async () => {
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const mobile = breakpoint().down('sm');
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if (this.mobile !== mobile) {
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this.mobile = mobile;
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if (!reordering) {
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reordering = true;
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await this.reorderStack();
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reordering = false;
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}
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}
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});
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}
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disconnectedCallback() {
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super.disconnectedCallback();
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document.removeEventListener('pointerdown', this.onDocumentClick);
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window.clearTimeout(this.closeTimeout);
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if (this.open) {
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this.open = false;
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}
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this.observeResize?.unobserve();
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}
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render() {
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return html `<slot part="message" class="message"></slot><div class="action-group"><slot name="action" part="action" class="action" @click="${this.onActionClick}">${this.action
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? html `<mdui-button variant="text" loading="${this.actionLoading}">${this.action}</mdui-button>`
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: nothingTemplate}</slot>${when(this.closeable, () => html `<slot name="close-button" part="close-button" class="close-button" @click="${this.onCloseClick}"><mdui-button-icon><slot name="close-icon" part="close-icon">${this.closeIcon
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? html `<mdui-icon name="${this.closeIcon}" class="i"></mdui-icon>`
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: html `<mdui-icon-clear class="i"></mdui-icon-clear>`}</slot></mdui-button-icon></slot>`)}</div>`;
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}
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/**
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* 重新排序 snackbar 堆叠
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* @param startSnackbar 从哪个 snackbar 开始重新排列，默认从第一个开始
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* @private
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*/
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async reorderStack(startSnackbar) {
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const stackIndex = startSnackbar
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? stacks.findIndex((stack) => stack.snackbar === startSnackbar)
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: 0;
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for (let i = stackIndex; i < stacks.length; i++) {
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const stack = stacks[i];
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const snackbar = stack.snackbar;
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if (this.mobile) {
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['top', 'bottom'].forEach((placement) => {
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if (snackbar.placement.startsWith(placement)) {
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const prevStacks = stacks.filter((stack, index) => {
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return (index < i && stack.snackbar.placement.startsWith(placement));
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});
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const prevHeight = prevStacks.reduce((prev, current) => prev + current.height, 0);
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// @ts-ignore
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snackbar.style[placement] =
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`calc(${prevHeight}px + ${prevStacks.length + 1}rem)`;
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snackbar.style[placement === 'top' ? 'bottom' : 'top'] = 'auto';
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}
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});
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}
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else {
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[
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'top',
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'top-start',
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'top-end',
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'bottom',
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'bottom-start',
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'bottom-end',
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].forEach((placement) => {
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if (snackbar.placement === placement) {
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const prevStacks = stacks.filter((stack, index) => {
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return index < i && stack.snackbar.placement === placement;
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});
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const prevHeight = prevStacks.reduce((prev, current) => prev + current.height, 0);
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snackbar.style[placement.startsWith('top') ? 'top' : 'bottom'] =
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`calc(${prevHeight}px + ${prevStacks.length + 1}rem)`;
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snackbar.style[placement.startsWith('top') ? 'bottom' : 'top'] =
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'auto';
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}
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});
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}
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}
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}
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/**
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* 在 document 上点击时，根据条件判断是否要关闭 snackbar
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*/
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onDocumentClick(e) {
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if (!this.open || !this.closeOnOutsideClick) {
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return;
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}
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const target = e.target;
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if (!this.contains(target) && this !== target) {
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this.open = false;
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}
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}
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onActionClick(event) {
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event.stopPropagation();
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this.emit('action-click');
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}
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onCloseClick() {
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this.open = false;
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}
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};
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Snackbar.styles = [componentStyle, style];
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__decorate([
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property({
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type: Boolean,
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reflect: true,
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converter: booleanConverter,
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})
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], Snackbar.prototype, "open", void 0);
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__decorate([
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property({ reflect: true })
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], Snackbar.prototype, "placement", void 0);
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__decorate([
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property({ reflect: true, attribute: 'action' })
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], Snackbar.prototype, "action", void 0);
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__decorate([
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property({
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type: Boolean,
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reflect: true,
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converter: booleanConverter,
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attribute: 'action-loading',
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})
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], Snackbar.prototype, "actionLoading", void 0);
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__decorate([
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property({
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type: Boolean,
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reflect: true,
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converter: booleanConverter,
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})
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], Snackbar.prototype, "closeable", void 0);
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__decorate([
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property({ reflect: true, attribute: 'close-icon' })
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], Snackbar.prototype, "closeIcon", void 0);
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__decorate([
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property({ type: Number, reflect: true, attribute: 'message-line' })
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// eslint-disable-next-line prettier/prettier
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], Snackbar.prototype, "messageLine", void 0);
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__decorate([
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property({ type: Number, reflect: true, attribute: 'auto-close-delay' })
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], Snackbar.prototype, "autoCloseDelay", void 0);
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__decorate([
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property({
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type: Boolean,
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reflect: true,
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attribute: 'close-on-outside-click',
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converter: booleanConverter,
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})
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], Snackbar.prototype, "closeOnOutsideClick", void 0);
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__decorate([
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property({
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type: Boolean,
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reflect: true,
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converter: booleanConverter,
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})
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], Snackbar.prototype, "mobile", void 0);
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__decorate([
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watch('open')
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], Snackbar.prototype, "onOpenChange", null);
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__decorate([
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watch('placement', true),
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watch('messageLine', true)
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], Snackbar.prototype, "onStackChange", null);
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Snackbar = __decorate([
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customElement('mdui-snackbar')
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], Snackbar);
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export { Snackbar };
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