import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2"; import _defineProperty from "@babel/runtime/helpers/esm/defineProperty"; import _extends from "@babel/runtime/helpers/esm/extends"; import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray"; import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties"; var _excluded = ["fallback", "src", "imgRef"], _excluded2 = ["prefixCls", "src", "alt", "fallback", "movable", "onClose", "visible", "icons", "rootClassName", "closeIcon", "getContainer", "current", "count", "countRender", "scaleStep", "minScale", "maxScale", "transitionName", "maskTransitionName", "imageRender", "imgCommonProps", "toolbarRender", "onTransform", "onChange"]; import classnames from 'classnames'; import Dialog from 'rc-dialog'; import addEventListener from "rc-util/es/Dom/addEventListener"; import KeyCode from "rc-util/es/KeyCode"; import { warning } from "rc-util/es/warning"; import React, { useContext, useEffect, useRef, useState } from 'react'; import { PreviewGroupContext } from "./context"; import getFixScaleEleTransPosition from "./getFixScaleEleTransPosition"; import useImageTransform from "./hooks/useImageTransform"; import useStatus from "./hooks/useStatus"; import Operations from "./Operations"; import { BASE_SCALE_RATIO, WHEEL_MAX_SCALE_RATIO } from "./previewConfig"; var PreviewImage = function PreviewImage(_ref) { var fallback = _ref.fallback, src = _ref.src, imgRef = _ref.imgRef, props = _objectWithoutProperties(_ref, _excluded); var _useStatus = useStatus({ src: src, fallback: fallback }), _useStatus2 = _slicedToArray(_useStatus, 2), getImgRef = _useStatus2[0], srcAndOnload = _useStatus2[1]; return /*#__PURE__*/React.createElement("img", _extends({ ref: function ref(_ref2) { imgRef.current = _ref2; getImgRef(_ref2); } }, props, srcAndOnload)); }; var Preview = function Preview(props) { var prefixCls = props.prefixCls, src = props.src, alt = props.alt, fallback = props.fallback, _props$movable = props.movable, movable = _props$movable === void 0 ? true : _props$movable, onClose = props.onClose, visible = props.visible, _props$icons = props.icons, icons = _props$icons === void 0 ? {} : _props$icons, rootClassName = props.rootClassName, closeIcon = props.closeIcon, getContainer = props.getContainer, _props$current = props.current, current = _props$current === void 0 ? 0 : _props$current, _props$count = props.count, count = _props$count === void 0 ? 1 : _props$count, countRender = props.countRender, _props$scaleStep = props.scaleStep, scaleStep = _props$scaleStep === void 0 ? 0.5 : _props$scaleStep, _props$minScale = props.minScale, minScale = _props$minScale === void 0 ? 1 : _props$minScale, _props$maxScale = props.maxScale, maxScale = _props$maxScale === void 0 ? 50 : _props$maxScale, _props$transitionName = props.transitionName, transitionName = _props$transitionName === void 0 ? 'zoom' : _props$transitionName, _props$maskTransition = props.maskTransitionName, maskTransitionName = _props$maskTransition === void 0 ? 'fade' : _props$maskTransition, imageRender = props.imageRender, imgCommonProps = props.imgCommonProps, toolbarRender = props.toolbarRender, onTransform = props.onTransform, onChange = props.onChange, restProps = _objectWithoutProperties(props, _excluded2); var imgRef = useRef(); var downPositionRef = useRef({ deltaX: 0, deltaY: 0, transformX: 0, transformY: 0 }); var _useState = useState(false), _useState2 = _slicedToArray(_useState, 2), isMoving = _useState2[0], setMoving = _useState2[1]; var groupContext = useContext(PreviewGroupContext); var showLeftOrRightSwitches = groupContext && count > 1; var showOperationsProgress = groupContext && count >= 1; var _useImageTransform = useImageTransform(imgRef, minScale, maxScale, onTransform), transform = _useImageTransform.transform, resetTransform = _useImageTransform.resetTransform, updateTransform = _useImageTransform.updateTransform, dispatchZoomChange = _useImageTransform.dispatchZoomChange; var _useState3 = useState(true), _useState4 = _slicedToArray(_useState3, 2), enableTransition = _useState4[0], setEnableTransition = _useState4[1]; var rotate = transform.rotate, scale = transform.scale, x = transform.x, y = transform.y; var wrapClassName = classnames(_defineProperty({}, "".concat(prefixCls, "-moving"), isMoving)); useEffect(function () { if (!enableTransition) { setEnableTransition(true); } }, [enableTransition]); var onAfterClose = function onAfterClose() { resetTransform('close'); }; var onZoomIn = function onZoomIn() { dispatchZoomChange(BASE_SCALE_RATIO + scaleStep, 'zoomIn'); }; var onZoomOut = function onZoomOut() { dispatchZoomChange(BASE_SCALE_RATIO / (BASE_SCALE_RATIO + scaleStep), 'zoomOut'); }; var onRotateRight = function onRotateRight() { updateTransform({ rotate: rotate + 90 }, 'rotateRight'); }; var onRotateLeft = function onRotateLeft() { updateTransform({ rotate: rotate - 90 }, 'rotateLeft'); }; var onFlipX = function onFlipX() { updateTransform({ flipX: !transform.flipX }, 'flipX'); }; var onFlipY = function onFlipY() { updateTransform({ flipY: !transform.flipY }, 'flipY'); }; var onSwitchLeft = function onSwitchLeft(event) { event === null || event === void 0 ? void 0 : event.preventDefault(); event === null || event === void 0 ? void 0 : event.stopPropagation(); if (current > 0) { setEnableTransition(false); resetTransform('prev'); onChange === null || onChange === void 0 ? void 0 : onChange(current - 1, current); } }; var onSwitchRight = function onSwitchRight(event) { event === null || event === void 0 ? void 0 : event.preventDefault(); event === null || event === void 0 ? void 0 : event.stopPropagation(); if (current < count - 1) { setEnableTransition(false); resetTransform('next'); onChange === null || onChange === void 0 ? void 0 : onChange(current + 1, current); } }; var onMouseUp = function onMouseUp() { if (visible && isMoving) { setMoving(false); /** No need to restore the position when the picture is not moved, So as not to interfere with the click */ var _downPositionRef$curr = downPositionRef.current, transformX = _downPositionRef$curr.transformX, transformY = _downPositionRef$curr.transformY; var hasChangedPosition = x !== transformX && y !== transformY; if (!hasChangedPosition) { return; } var width = imgRef.current.offsetWidth * scale; var height = imgRef.current.offsetHeight * scale; // eslint-disable-next-line @typescript-eslint/no-shadow var _imgRef$current$getBo = imgRef.current.getBoundingClientRect(), left = _imgRef$current$getBo.left, top = _imgRef$current$getBo.top; var isRotate = rotate % 180 !== 0; var fixState = getFixScaleEleTransPosition(isRotate ? height : width, isRotate ? width : height, left, top); if (fixState) { updateTransform(_objectSpread({}, fixState), 'dragRebound'); } } }; var onMouseDown = function onMouseDown(event) { // Only allow main button if (!movable || event.button !== 0) return; event.preventDefault(); event.stopPropagation(); downPositionRef.current = { deltaX: event.pageX - transform.x, deltaY: event.pageY - transform.y, transformX: transform.x, transformY: transform.y }; setMoving(true); }; var onMouseMove = function onMouseMove(event) { if (visible && isMoving) { updateTransform({ x: event.pageX - downPositionRef.current.deltaX, y: event.pageY - downPositionRef.current.deltaY }, 'move'); } }; var onWheel = function onWheel(event) { if (!visible || event.deltaY == 0) return; // Scale ratio depends on the deltaY size var scaleRatio = Math.abs(event.deltaY / 100); // Limit the maximum scale ratio var mergedScaleRatio = Math.min(scaleRatio, WHEEL_MAX_SCALE_RATIO); // Scale the ratio each time var ratio = BASE_SCALE_RATIO + mergedScaleRatio * scaleStep; if (event.deltaY > 0) { ratio = BASE_SCALE_RATIO / ratio; } dispatchZoomChange(ratio, 'wheel', event.clientX, event.clientY); }; var onKeyDown = function onKeyDown(event) { if (!visible || !showLeftOrRightSwitches) return; if (event.keyCode === KeyCode.LEFT) { onSwitchLeft(); } else if (event.keyCode === KeyCode.RIGHT) { onSwitchRight(); } }; var onDoubleClick = function onDoubleClick(event) { if (visible) { if (scale !== 1) { updateTransform({ x: 0, y: 0, scale: 1 }, 'doubleClick'); } else { dispatchZoomChange(BASE_SCALE_RATIO + scaleStep, 'doubleClick', event.clientX, event.clientY); } } }; useEffect(function () { var onTopMouseUpListener; var onTopMouseMoveListener; var onMouseUpListener; var onMouseMoveListener; if (movable) { onMouseUpListener = addEventListener(window, 'mouseup', onMouseUp, false); onMouseMoveListener = addEventListener(window, 'mousemove', onMouseMove, false); try { // Resolve if in iframe lost event /* istanbul ignore next */ if (window.top !== window.self) { onTopMouseUpListener = addEventListener(window.top, 'mouseup', onMouseUp, false); onTopMouseMoveListener = addEventListener(window.top, 'mousemove', onMouseMove, false); } } catch (error) { /* istanbul ignore next */ warning(false, "[rc-image] ".concat(error)); } } return function () { var _onMouseUpListener, _onMouseMoveListener, _onTopMouseUpListener, _onTopMouseMoveListen; (_onMouseUpListener = onMouseUpListener) === null || _onMouseUpListener === void 0 ? void 0 : _onMouseUpListener.remove(); (_onMouseMoveListener = onMouseMoveListener) === null || _onMouseMoveListener === void 0 ? void 0 : _onMouseMoveListener.remove(); /* istanbul ignore next */ (_onTopMouseUpListener = onTopMouseUpListener) === null || _onTopMouseUpListener === void 0 ? void 0 : _onTopMouseUpListener.remove(); /* istanbul ignore next */ (_onTopMouseMoveListen = onTopMouseMoveListener) === null || _onTopMouseMoveListen === void 0 ? void 0 : _onTopMouseMoveListen.remove(); }; }, [visible, isMoving, x, y, rotate, movable]); useEffect(function () { var onKeyDownListener = addEventListener(window, 'keydown', onKeyDown, false); return function () { onKeyDownListener.remove(); }; }, [visible, showLeftOrRightSwitches, current]); var imgNode = /*#__PURE__*/React.createElement(PreviewImage, _extends({}, imgCommonProps, { width: props.width, height: props.height, imgRef: imgRef, className: "".concat(prefixCls, "-img"), alt: alt, style: { transform: "translate3d(".concat(transform.x, "px, ").concat(transform.y, "px, 0) scale3d(").concat(transform.flipX ? '-' : '').concat(scale, ", ").concat(transform.flipY ? '-' : '').concat(scale, ", 1) rotate(").concat(rotate, "deg)"), transitionDuration: !enableTransition && '0s' }, fallback: fallback, src: src, onWheel: onWheel, onMouseDown: onMouseDown, onDoubleClick: onDoubleClick })); return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(Dialog, _extends({ transitionName: transitionName, maskTransitionName: maskTransitionName, closable: false, keyboard: true, prefixCls: prefixCls, onClose: onClose, visible: visible, wrapClassName: wrapClassName, rootClassName: rootClassName, getContainer: getContainer }, restProps, { afterClose: onAfterClose }), /*#__PURE__*/React.createElement("div", { className: "".concat(prefixCls, "-img-wrapper") }, imageRender ? imageRender(imgNode, _objectSpread({ transform: transform }, groupContext ? { current: current } : {})) : imgNode)), /*#__PURE__*/React.createElement(Operations, { visible: visible, transform: transform, maskTransitionName: maskTransitionName, closeIcon: closeIcon, getContainer: getContainer, prefixCls: prefixCls, rootClassName: rootClassName, icons: icons, countRender: countRender, showSwitch: showLeftOrRightSwitches, showProgress: showOperationsProgress, current: current, count: count, scale: scale, minScale: minScale, maxScale: maxScale, toolbarRender: toolbarRender, onSwitchLeft: onSwitchLeft, onSwitchRight: onSwitchRight, onZoomIn: onZoomIn, onZoomOut: onZoomOut, onRotateRight: onRotateRight, onRotateLeft: onRotateLeft, onFlipX: onFlipX, onFlipY: onFlipY, onClose: onClose })); }; export default Preview;