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179 changes: 179 additions & 0 deletions
179
apps/mobile/src/components/GalleryEditor/SortableTokenGrid/SortableToken.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| import { FlashList } from '@shopify/flash-list'; | ||
| import { useCallback } from 'react'; | ||
| import { useWindowDimensions } from 'react-native'; | ||
| import { Gesture, GestureDetector } from 'react-native-gesture-handler'; | ||
| import { trigger } from 'react-native-haptic-feedback'; | ||
| import Animated, { | ||
| AnimatedRef, | ||
| Easing, | ||
| runOnJS, | ||
| scrollTo, | ||
| SharedValue, | ||
| useAnimatedReaction, | ||
| useAnimatedStyle, | ||
| useSharedValue, | ||
| withTiming, | ||
| } from 'react-native-reanimated'; | ||
| import { useSafeAreaInsets } from 'react-native-safe-area-context'; | ||
|
|
||
| import { ListItemType } from '../GalleryEditorRenderer'; | ||
| import { getOrder, getPosition, Positions } from './utils'; | ||
|
|
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| type Props = { | ||
| children: React.ReactNode; | ||
| id: string; | ||
| positions: SharedValue<Positions>; | ||
| size: number; | ||
| columns: number; | ||
|
|
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| scrollContentOffsetY: SharedValue<number>; | ||
| scrollViewRef: AnimatedRef<FlashList<ListItemType>>; | ||
|
|
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| onDragEnd: (data: string[]) => void; | ||
| }; | ||
|
|
||
| export function SortableToken({ | ||
| children, | ||
| columns, | ||
| positions, | ||
| size, | ||
| id, | ||
|
|
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| scrollContentOffsetY, | ||
| scrollViewRef, | ||
| onDragEnd, | ||
| }: Props) { | ||
| const position = getPosition(positions.value[id] || 0, columns, size); | ||
|
|
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| // Shared values for gesture handling | ||
| const contextX = useSharedValue(0); | ||
| const contextY = useSharedValue(0); | ||
|
|
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| const translateX = useSharedValue(position.x); | ||
| const translateY = useSharedValue(position.y); | ||
|
|
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| const isGestureActive = useSharedValue(false); | ||
|
|
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| // Get safe area insets and window dimensions | ||
| const inset = useSafeAreaInsets(); | ||
| const { height: windowHeight } = useWindowDimensions(); | ||
| const containerHeight = windowHeight - inset.top; | ||
|
|
||
| useAnimatedReaction( | ||
| () => positions.value[id], | ||
| (newOrder) => { | ||
| // if (!newOrder) return; | ||
| const newPosition = getPosition(newOrder || 0, columns, size); | ||
| translateX.value = withTiming(newPosition.x, { | ||
| duration: 350, | ||
| easing: Easing.inOut(Easing.ease), | ||
| }); | ||
| translateY.value = withTiming(newPosition.y, { | ||
| duration: 350, | ||
| easing: Easing.inOut(Easing.ease), | ||
| }); | ||
| } | ||
| ); | ||
|
|
||
| // Callback to handle edge cases while scrolling | ||
| // (when the user drags the item to the top or bottom of the list) | ||
| // Since we need to update the scroll position of the scroll view (scrollTo) | ||
| const scrollLogic = useCallback( | ||
| ({ absoluteY }: { absoluteY: number }) => { | ||
| 'worklet'; | ||
|
|
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| const lowerBound = 1.5 * size; | ||
| const upperBound = scrollContentOffsetY.value + containerHeight; | ||
| const scrollSpeed = size * 0.1; | ||
|
|
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| if (absoluteY <= lowerBound) { | ||
| // while scrolling to the top of the list | ||
| const nextPosition = scrollContentOffsetY.value - scrollSpeed; | ||
| scrollTo(scrollViewRef, 0, Math.max(nextPosition, 0), false); | ||
| } else if (absoluteY + scrollContentOffsetY.value >= upperBound) { | ||
| // while scrolling to the bottom of the list | ||
| const nextPosition = scrollContentOffsetY.value + scrollSpeed; | ||
| scrollTo(scrollViewRef, 0, Math.max(nextPosition, 0), false); | ||
| } | ||
| }, | ||
| [containerHeight, scrollContentOffsetY, scrollViewRef, size] | ||
| ); | ||
|
|
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| const panGesture = Gesture.Pan() | ||
| .activateAfterLongPress(300) | ||
| .onStart(() => { | ||
| isGestureActive.value = true; | ||
| contextX.value = position.x; | ||
| contextY.value = position.y - scrollContentOffsetY.value; | ||
|
|
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| runOnJS(trigger)('impactLight'); | ||
| }) | ||
| .onUpdate((event) => { | ||
| const { translationX, translationY, absoluteY } = event; | ||
|
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| translateX.value = contextX.value + translationX; | ||
| translateY.value = contextY.value + translationY + scrollContentOffsetY.value; | ||
|
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| const oldOrder = positions.value[id]; | ||
| const newOrder = getOrder(translateX.value, translateY.value, columns, size); | ||
|
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| if (oldOrder !== newOrder) { | ||
| const idToSwap = Object.keys(positions.value).find( | ||
| (key) => positions.value[key] === newOrder | ||
| ); | ||
|
|
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| if (idToSwap) { | ||
| const newPositions = JSON.parse(JSON.stringify(positions.value)); | ||
| newPositions[id] = newOrder; | ||
| newPositions[idToSwap] = oldOrder; | ||
| positions.value = newPositions; | ||
| } | ||
| } | ||
|
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| scrollLogic({ absoluteY }); | ||
| }) | ||
| .onFinalize(() => { | ||
| const destination = getPosition(positions.value[id] || 0, columns, size); | ||
|
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| translateX.value = withTiming( | ||
| destination.x, | ||
| { | ||
| easing: Easing.inOut(Easing.ease), | ||
| duration: 350, | ||
| }, | ||
| () => { | ||
| isGestureActive.value = false; | ||
|
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| const newPositions = Object.keys(positions.value).map((key) => positions.value[key]); | ||
|
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| runOnJS(onDragEnd)(newPositions.map(String)); | ||
| } | ||
| ); | ||
|
|
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| translateY.value = withTiming(destination.y, { | ||
| easing: Easing.inOut(Easing.ease), | ||
| duration: 350, | ||
| }); | ||
| }); | ||
|
|
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| const style = useAnimatedStyle(() => { | ||
| const zIndex = isGestureActive.value ? 100 : 0; | ||
| const scale = isGestureActive.value ? 1.1 : 1; | ||
|
|
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| return { | ||
| position: 'absolute', | ||
| top: 0, | ||
| left: 0, | ||
| width: size, | ||
| height: size, | ||
| zIndex, | ||
| transform: [{ translateX: translateX.value }, { translateY: translateY.value }, { scale }], | ||
| }; | ||
| }); | ||
|
|
||
| return ( | ||
| <GestureDetector gesture={panGesture}> | ||
| <Animated.View style={style}>{children}</Animated.View> | ||
| </GestureDetector> | ||
| ); | ||
| } |
85 changes: 85 additions & 0 deletions
85
apps/mobile/src/components/GalleryEditor/SortableTokenGrid/SortableTokenGrid.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| import { FlashList } from '@shopify/flash-list'; | ||
| import { useMemo } from 'react'; | ||
| import { View, ViewProps } from 'react-native'; | ||
| import { AnimatedRef, SharedValue, useSharedValue } from 'react-native-reanimated'; | ||
|
|
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| import { StagedItem } from '~/contexts/GalleryEditor/types'; | ||
|
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| import { ListItemType } from '../GalleryEditorRenderer'; | ||
| import { GalleryEditorTokenPreview } from '../GalleryEditorTokenPreview'; | ||
| import { SortableToken } from './SortableToken'; | ||
| import { Positions } from './utils'; | ||
|
|
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| type Props = { | ||
| columns: number; | ||
| items: StagedItem[]; | ||
| size: number; | ||
|
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| scrollContentOffsetY: SharedValue<number>; | ||
| scrollViewRef: AnimatedRef<FlashList<ListItemType>>; | ||
|
|
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| onDragEnd: (data: string[]) => void; | ||
| }; | ||
|
|
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| export function SortableTokenGrid({ | ||
| columns, | ||
| items, | ||
| size, | ||
| scrollContentOffsetY, | ||
| scrollViewRef, | ||
| onDragEnd, | ||
| }: Props) { | ||
| const positions = useSharedValue<Positions>( | ||
| Object.assign({}, ...items.map((item, index) => ({ [item.id]: index }))) | ||
| ); | ||
|
|
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| const containerHeight = useMemo(() => { | ||
| return Math.ceil(items.length / columns) * size; | ||
| }, [items.length, columns, size]); | ||
|
|
||
| return ( | ||
| <View | ||
| style={{ | ||
| height: containerHeight, | ||
| width: '100%', | ||
| }} | ||
| > | ||
| {items.map((item) => ( | ||
| <SortableToken | ||
| key={item.id} | ||
| id={item.id} | ||
| positions={positions} | ||
| size={size} | ||
| columns={columns} | ||
| scrollContentOffsetY={scrollContentOffsetY} | ||
| scrollViewRef={scrollViewRef} | ||
| onDragEnd={onDragEnd} | ||
| > | ||
| <View> | ||
| {item.kind === 'whitespace' ? ( | ||
| <WhiteSpace size={size - 8} /> | ||
| ) : ( | ||
| <View | ||
| className="aspect-square" | ||
| style={{ | ||
| width: size - 8, | ||
| }} | ||
| > | ||
| <GalleryEditorTokenPreview tokenRef={item.tokenRef} /> | ||
| </View> | ||
| )} | ||
| </View> | ||
| </SortableToken> | ||
| ))} | ||
| </View> | ||
| ); | ||
| } | ||
|
|
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| type WhiteSpaceProps = { | ||
| size: number; | ||
| style?: ViewProps['style']; | ||
| }; | ||
|
|
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| function WhiteSpace({ size, style }: WhiteSpaceProps) { | ||
| return <View style={[{ width: size, height: size }, style]} />; | ||
| } |
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