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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| import { GemElement, createCSSSheet } from '@mantou/gem/lib/element'; | ||
| import { adoptedStyle, boolattribute, customElement, emitter, mounted, type Emitter } from '@mantou/gem/lib/decorators'; | ||
| import { addListener, css } from '@mantou/gem/lib/utils'; | ||
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| import { blockContainer } from '../lib/styles'; | ||
| import { theme } from '../lib/theme'; | ||
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| import { DuoyunGestureElement } from './gesture'; | ||
| import type { PanEventDetail } from './gesture'; | ||
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| const style = createCSSSheet(css` | ||
| :where(dy-sort-item[handle], dy-sort-handle):state(grabbing) { | ||
| cursor: grabbing; | ||
| * { | ||
| pointer-event: none; | ||
| } | ||
| } | ||
| dy-sort-item[handle]:state(grabbing), | ||
| dy-sort-item:has(:state(grabbing)) { | ||
| position: relative; | ||
| z-index: ${theme.popupZIndex}; | ||
| } | ||
| `); | ||
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| export type SortEventDetail = { new: number; old: number }; | ||
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| /** | ||
| * @customElement dy-sort-box | ||
| */ | ||
| @customElement('dy-sort-box') | ||
| @adoptedStyle(style) | ||
| @adoptedStyle(blockContainer) | ||
| export class DuoyunSortBoxElement extends GemElement { | ||
| @emitter sort: Emitter<SortEventDetail>; | ||
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| #listeners: (undefined | (() => void)[])[] = []; | ||
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| #removeListeners = () => { | ||
| this.#listeners.forEach((e) => e?.forEach((ee) => ee())); | ||
| }; | ||
|
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| #listen = () => { | ||
| this.#removeListeners(); | ||
| const items = [...this.querySelectorAll<DuoyunSortItemElement>('dy-sort-item')]; | ||
| const handles = items.map((item) => | ||
| item.handle ? item : item.querySelector<DuoyunSortHandleElement>('dy-sort-handle'), | ||
| ); | ||
| this.#listeners = handles.map((e, index) => { | ||
| if (!e) return; | ||
| const item = items[index]; | ||
| let itemTranslate = [0, 0]; | ||
| const removeEnd = addListener(e, 'end', ({ detail }: CustomEvent<PointerEvent>) => { | ||
| itemTranslate = [0, 0]; | ||
| item.style.translate = 'none'; | ||
| const itemsRect = items.map((i) => i.getBoundingClientRect()); | ||
| const newIndex = itemsRect.findIndex( | ||
| (i) => i.left <= detail.x && i.right > detail.x && i.top <= detail.y && i.bottom > detail.y, | ||
| ); | ||
| if (newIndex === -1) return; | ||
| this.sort({ new: newIndex, old: index }); | ||
| }); | ||
| const removePan = addListener(e, 'pan', ({ detail }: CustomEvent<PanEventDetail>) => { | ||
| itemTranslate[0] += detail.x; | ||
| itemTranslate[1] += detail.y; | ||
| item.style.translate = itemTranslate.map((p) => p + 'px').join(' '); | ||
| }); | ||
| return [removeEnd, removePan]; | ||
| }); | ||
| }; | ||
|
|
||
| @mounted() | ||
| #init = () => { | ||
| this.#listen(); | ||
| const ob = new MutationObserver(this.#listen); | ||
| ob.observe(this, { subtree: true, childList: true }); | ||
| return () => { | ||
| ob.disconnect(); | ||
| this.#removeListeners(); | ||
| }; | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * @customElement dy-sort-item | ||
| */ | ||
| @customElement('dy-sort-item') | ||
| export class DuoyunSortItemElement extends DuoyunGestureElement { | ||
| @boolattribute handle: boolean; | ||
| } | ||
|
|
||
| /** | ||
| * @customElement dy-sort-handle | ||
| */ | ||
| @customElement('dy-sort-handle') | ||
| export class DuoyunSortHandleElement extends DuoyunGestureElement {} |
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