kdletters
ebd958b5a0
新增共享 PlatformFilterToolbar 收口首页分类筛选与排序工具条 将 SquareImageCropModal 收口到 UnifiedModal 并补充薄能力透传 补充组件与调用侧回归测试并更新 PlatformUiKit 收口计划与共享决策记录
405 lines
12 KiB
TypeScript
405 lines
12 KiB
TypeScript
import {
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type CSSProperties,
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type PointerEvent,
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useMemo,
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useRef,
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useState,
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} from 'react';
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import { PlatformActionButton } from './PlatformActionButton';
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import { PlatformStatusMessage } from './PlatformStatusMessage';
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import { UnifiedModal } from './UnifiedModal';
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import {
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clampNumber,
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clampSquareImageCropRect,
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getSquareCropSizeBounds,
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type SquareImageCropRect,
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} from './squareImageCropModel';
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export type SquareImageCropModalLabels = {
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title: string;
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close: string;
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editor: string;
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previewAlt: string;
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cancel: string;
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submit: string;
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saving: string;
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};
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type SquareCropDragHandle =
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| 'move'
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| 'north'
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| 'northEast'
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| 'east'
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| 'southEast'
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| 'south'
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| 'southWest'
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| 'west'
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| 'northWest';
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type SquareCropDragSnapshot = {
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pointerId: number;
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handle: SquareCropDragHandle;
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clientX: number;
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clientY: number;
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cropRect: SquareImageCropRect;
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previewWidth: number;
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previewHeight: number;
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};
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const SQUARE_CROP_RESIZE_HANDLES: Array<{
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handle: Exclude<SquareCropDragHandle, 'move'>;
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label: string;
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className: string;
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}> = [
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{
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handle: 'northWest',
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label: '拖拽左上角裁剪边界',
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className:
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'left-0 top-0 -translate-x-1/2 -translate-y-1/2 cursor-nwse-resize',
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},
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{
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handle: 'north',
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label: '拖拽上边裁剪边界',
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className:
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'left-1/2 top-0 -translate-x-1/2 -translate-y-1/2 cursor-ns-resize',
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},
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{
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handle: 'northEast',
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label: '拖拽右上角裁剪边界',
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className:
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'right-0 top-0 translate-x-1/2 -translate-y-1/2 cursor-nesw-resize',
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},
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{
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handle: 'east',
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label: '拖拽右边裁剪边界',
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className:
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'right-0 top-1/2 -translate-y-1/2 translate-x-1/2 cursor-ew-resize',
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},
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{
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handle: 'southEast',
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label: '拖拽右下角裁剪边界',
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className:
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'bottom-0 right-0 translate-x-1/2 translate-y-1/2 cursor-nwse-resize',
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},
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{
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handle: 'south',
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label: '拖拽下边裁剪边界',
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className:
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'bottom-0 left-1/2 -translate-x-1/2 translate-y-1/2 cursor-ns-resize',
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},
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{
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handle: 'southWest',
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label: '拖拽左下角裁剪边界',
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className:
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'bottom-0 left-0 -translate-x-1/2 translate-y-1/2 cursor-nesw-resize',
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},
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{
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handle: 'west',
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label: '拖拽左边裁剪边界',
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className:
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'left-0 top-1/2 -translate-x-1/2 -translate-y-1/2 cursor-ew-resize',
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},
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];
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function buildSquareCropPreviewStyle(
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crop: SquareImageCropRect,
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imageSize: { width: number; height: number },
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) {
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return {
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left: `${(crop.x / imageSize.width) * 100}%`,
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top: `${(crop.y / imageSize.height) * 100}%`,
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width: `${(crop.size / imageSize.width) * 100}%`,
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height: `${(crop.size / imageSize.height) * 100}%`,
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} satisfies CSSProperties;
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}
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function resizeSquareCropRectFromHandle(
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snapshot: SquareCropDragSnapshot,
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deltaX: number,
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deltaY: number,
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imageSize: { width: number; height: number },
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) {
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const start = snapshot.cropRect;
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const startRight = start.x + start.size;
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const startBottom = start.y + start.size;
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const startCenterX = start.x + start.size / 2;
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const startCenterY = start.y + start.size / 2;
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const { minSize, maxSize } = getSquareCropSizeBounds(imageSize);
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const chooseSize = (sizeFromX: number, sizeFromY: number) => {
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const xDistance = Math.abs(sizeFromX - start.size);
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const yDistance = Math.abs(sizeFromY - start.size);
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return xDistance >= yDistance ? sizeFromX : sizeFromY;
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};
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const clampSize = (size: number, maxByAnchor = maxSize) =>
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clampNumber(
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size,
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minSize,
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Math.max(minSize, Math.min(maxSize, maxByAnchor)),
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);
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if (snapshot.handle === 'move') {
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return clampSquareImageCropRect(imageSize, {
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...start,
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x: start.x + deltaX,
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y: start.y + deltaY,
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});
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}
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// 中文注释：边缘手柄保持正方形比例，锚点逻辑与拼图图片上传裁剪一致。
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if (snapshot.handle === 'east' || snapshot.handle === 'west') {
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const isEast = snapshot.handle === 'east';
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const anchorX = isEast ? start.x : startRight;
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const maxByAnchorX = isEast ? imageSize.width - anchorX : anchorX;
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const maxByCenterY =
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2 * Math.min(startCenterY, imageSize.height - startCenterY);
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const size = clampSize(
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start.size + (isEast ? deltaX : -deltaX),
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Math.min(maxByAnchorX, maxByCenterY),
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);
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return clampSquareImageCropRect(imageSize, {
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x: isEast ? anchorX : anchorX - size,
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y: startCenterY - size / 2,
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size,
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});
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}
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if (snapshot.handle === 'north' || snapshot.handle === 'south') {
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const isSouth = snapshot.handle === 'south';
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const anchorY = isSouth ? start.y : startBottom;
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const maxByAnchorY = isSouth ? imageSize.height - anchorY : anchorY;
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const maxByCenterX =
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2 * Math.min(startCenterX, imageSize.width - startCenterX);
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const size = clampSize(
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start.size + (isSouth ? deltaY : -deltaY),
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Math.min(maxByAnchorY, maxByCenterX),
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);
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return clampSquareImageCropRect(imageSize, {
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x: startCenterX - size / 2,
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y: isSouth ? anchorY : anchorY - size,
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size,
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});
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}
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const isEast =
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snapshot.handle === 'northEast' || snapshot.handle === 'southEast';
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const isSouth =
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snapshot.handle === 'southEast' || snapshot.handle === 'southWest';
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const anchorX = isEast ? start.x : startRight;
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const anchorY = isSouth ? start.y : startBottom;
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const maxByAnchorX = isEast ? imageSize.width - anchorX : anchorX;
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const maxByAnchorY = isSouth ? imageSize.height - anchorY : anchorY;
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const sizeFromX = start.size + (isEast ? deltaX : -deltaX);
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const sizeFromY = start.size + (isSouth ? deltaY : -deltaY);
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const size = clampSize(
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chooseSize(sizeFromX, sizeFromY),
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Math.min(maxByAnchorX, maxByAnchorY),
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);
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return clampSquareImageCropRect(imageSize, {
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x: isEast ? anchorX : anchorX - size,
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y: isSouth ? anchorY : anchorY - size,
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size,
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});
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}
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export function SquareImageCropModal({
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source,
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imageSize,
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cropRect,
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labels,
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titleId = 'square-image-crop-title',
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error = null,
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isSaving = false,
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onCropRectChange,
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onClose,
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onSubmit,
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}: {
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source: string;
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imageSize: { width: number; height: number };
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cropRect: SquareImageCropRect;
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labels: SquareImageCropModalLabels;
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titleId?: string;
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error?: string | null;
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isSaving?: boolean;
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onCropRectChange: (nextCrop: SquareImageCropRect) => void;
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onClose: () => void;
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onSubmit: () => void;
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}) {
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const previewRef = useRef<HTMLDivElement | null>(null);
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const dragSnapshotRef = useRef<SquareCropDragSnapshot | null>(null);
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const [activeDragHandle, setActiveDragHandle] =
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useState<SquareCropDragHandle | null>(null);
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const normalizedCropRect = useMemo(
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() => clampSquareImageCropRect(imageSize, cropRect),
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[cropRect, imageSize],
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);
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const previewStyle = useMemo(
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() => buildSquareCropPreviewStyle(normalizedCropRect, imageSize),
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[normalizedCropRect, imageSize],
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);
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const editorPreviewStyle = useMemo(
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() =>
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({
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aspectRatio: `${imageSize.width} / ${imageSize.height}`,
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width: `min(100%, calc(min(52vh, 22rem) * ${
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imageSize.width / Math.max(1, imageSize.height)
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}))`,
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}) satisfies CSSProperties,
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[imageSize],
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);
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const beginCropDrag = (
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handle: SquareCropDragHandle,
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event: PointerEvent<HTMLElement>,
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) => {
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if (isSaving) {
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return;
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}
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const preview = previewRef.current;
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if (!preview) {
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return;
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}
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const rect = preview.getBoundingClientRect();
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dragSnapshotRef.current = {
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pointerId: event.pointerId,
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handle,
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clientX: event.clientX,
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clientY: event.clientY,
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cropRect: normalizedCropRect,
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previewWidth: rect.width,
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previewHeight: rect.height,
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};
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setActiveDragHandle(handle);
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event.preventDefault();
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event.stopPropagation();
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event.currentTarget.setPointerCapture(event.pointerId);
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};
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const updateCropDrag = (event: PointerEvent<HTMLElement>) => {
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const snapshot = dragSnapshotRef.current;
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if (!snapshot || snapshot.pointerId !== event.pointerId) {
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return;
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}
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const deltaX =
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((event.clientX - snapshot.clientX) * imageSize.width) /
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Math.max(1, snapshot.previewWidth);
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const deltaY =
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((event.clientY - snapshot.clientY) * imageSize.height) /
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Math.max(1, snapshot.previewHeight);
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onCropRectChange(
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resizeSquareCropRectFromHandle(snapshot, deltaX, deltaY, imageSize),
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);
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};
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const stopCropDrag = (event: PointerEvent<HTMLElement>) => {
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if (dragSnapshotRef.current?.pointerId !== event.pointerId) {
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return;
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}
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dragSnapshotRef.current = null;
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setActiveDragHandle(null);
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event.currentTarget.releasePointerCapture(event.pointerId);
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};
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return (
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<UnifiedModal
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open
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title={labels.title}
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titleId={titleId}
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onClose={onClose}
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closeOnBackdrop={false}
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closeOnEscape={false}
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closeLabel={labels.close}
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closeVariant="profileCompact"
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closeIcon="×"
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portal={false}
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zIndexClassName="z-[80]"
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panelClassName="platform-remap-surface max-w-sm rounded-[1.4rem]"
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headerClassName="border-white/10 px-5 py-4"
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titleClassName="font-black"
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bodyClassName="px-5 py-5"
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footerClassName="border-transparent px-5 pt-0 pb-5"
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footer={
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<div className="grid w-full grid-cols-2 gap-3">
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<PlatformActionButton tone="secondary" onClick={onClose}>
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{labels.cancel}
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</PlatformActionButton>
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<PlatformActionButton onClick={onSubmit} disabled={isSaving}>
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{isSaving ? labels.saving : labels.submit}
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</PlatformActionButton>
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</div>
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}
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>
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<div>
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<div
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ref={previewRef}
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className="relative mx-auto overflow-hidden rounded-[1.2rem] border border-white/12 bg-black/35 select-none touch-none"
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style={editorPreviewStyle}
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aria-label={labels.editor}
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>
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<img
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src={source}
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alt={labels.previewAlt}
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draggable={false}
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className="h-full w-full object-fill"
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/>
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<div
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className={`absolute border-2 border-[var(--platform-accent)] shadow-[0_0_0_9999px_rgba(61,31,16,0.34)] outline outline-1 outline-[rgba(74,34,15,0.35)] ${
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activeDragHandle === 'move' ? 'cursor-grabbing' : 'cursor-grab'
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}`}
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style={previewStyle}
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onPointerDown={(event) => beginCropDrag('move', event)}
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onPointerMove={updateCropDrag}
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onPointerUp={stopCropDrag}
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onPointerCancel={stopCropDrag}
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/>
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<div
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className="pointer-events-none absolute border border-white/70"
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style={previewStyle}
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>
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<div className="absolute inset-x-0 top-1/3 border-t border-white/35" />
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<div className="absolute inset-x-0 top-2/3 border-t border-white/35" />
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<div className="absolute inset-y-0 left-1/3 border-l border-white/35" />
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<div className="absolute inset-y-0 left-2/3 border-l border-white/35" />
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</div>
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<div className="pointer-events-none absolute" style={previewStyle}>
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{SQUARE_CROP_RESIZE_HANDLES.map((handleConfig) => (
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<button
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key={handleConfig.handle}
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type="button"
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aria-label={handleConfig.label}
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disabled={isSaving}
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className={`pointer-events-auto absolute z-10 h-10 w-10 rounded-full border border-white/15 bg-black/5 p-0 disabled:cursor-not-allowed disabled:opacity-45 ${handleConfig.className}`}
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onPointerDown={(event) =>
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beginCropDrag(handleConfig.handle, event)
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}
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onPointerMove={updateCropDrag}
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onPointerUp={stopCropDrag}
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onPointerCancel={stopCropDrag}
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>
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<span className="absolute left-1/2 top-1/2 h-3 w-3 -translate-x-1/2 -translate-y-1/2 rounded-full border border-white bg-[var(--platform-accent)] shadow-[0_0_0_3px_rgba(204,117,76,0.32)]" />
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</button>
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))}
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</div>
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</div>
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{error ? (
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<PlatformStatusMessage
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tone="error"
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surface="profile"
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className="mt-4 rounded-2xl"
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>
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{error}
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</PlatformStatusMessage>
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) : null}
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</div>
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</UnifiedModal>
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);
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}
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