@douyinfe/semi-ui
Version:
A modern, comprehensive, flexible design system and UI library. Connect DesignOps & DevOps. Quickly build beautiful React apps. Maintained by Douyin-fe team.
248 lines (247 loc) • 10.3 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _omit2 = _interopRequireDefault(require("lodash/omit"));
var _isEqual2 = _interopRequireDefault(require("lodash/isEqual"));
var _isObject2 = _interopRequireDefault(require("lodash/isObject"));
var _react = _interopRequireWildcard(require("react"));
var _previewContext = require("./previewContext");
var _baseComponent = _interopRequireDefault(require("../_base/baseComponent"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _previewInner = _interopRequireDefault(require("./previewInner"));
var _previewFoundation = _interopRequireDefault(require("@douyinfe/semi-foundation/lib/cjs/image/previewFoundation"));
var _uuid = require("@douyinfe/semi-foundation/lib/cjs/utils/uuid");
var _constants = require("@douyinfe/semi-foundation/lib/cjs/image/constants");
require("@douyinfe/semi-foundation/lib/cjs/image/image.css");
var _classnames = _interopRequireDefault(require("classnames"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
var __rest = void 0 && (void 0).__rest || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) t[p[i]] = s[p[i]];
}
return t;
};
const prefixCls = _constants.cssClasses.PREFIX;
class Preview extends _baseComponent.default {
get adapter() {
return Object.assign({}, super.adapter);
}
constructor(props) {
super(props);
this.observerImages = () => {
if (this.previewObserver) {
// cancel the observation of all elements of the previous observer
this.previewObserver.disconnect();
} else {
this.previewObserver = new IntersectionObserver(entries => {
entries.forEach(item => {
var _a;
const src = (_a = item.target.dataset) === null || _a === void 0 ? void 0 : _a.src;
if (item.isIntersecting && src) {
item.target.src = src;
item.target.removeAttribute("data-src");
this.previewObserver.unobserve(item.target);
}
});
}, {
root: document.querySelector(`#${this.previewGroupId}`),
rootMargin: this.props.lazyLoadMargin
});
}
const allImgElement = document.querySelectorAll(`.${prefixCls}-img`);
allImgElement.forEach(item => this.previewObserver.observe(item));
};
this.handleVisibleChange = newVisible => {
this.foundation.handleVisibleChange(newVisible);
};
this.handleCurrentIndexChange = index => {
this.foundation.handleCurrentIndexChange(index);
};
this.loopImageIndex = () => {
const {
children
} = this.props;
let index = 0;
const srcListInChildren = [];
const titles = [];
const loop = children => {
return _react.default.Children.map(children, child => {
var _a;
if (child && child.props && child.type) {
if (child.type.isSemiImage) {
const {
src,
preview,
alt
} = child.props;
if (preview) {
const previewSrc = (0, _isObject2.default)(preview) ? (_a = preview.src) !== null && _a !== void 0 ? _a : src : src;
srcListInChildren.push(previewSrc);
titles.push(preview === null || preview === void 0 ? void 0 : preview.previewTitle);
return /*#__PURE__*/_react.default.cloneElement(child, {
imageID: index++
});
}
return child;
}
}
if (child && child.props && child.props.children) {
return /*#__PURE__*/_react.default.cloneElement(child, {
children: loop(child.props.children)
});
}
return child;
});
};
return {
srcListInChildren,
newChildren: loop(children),
titles
};
};
this.state = {
currentIndex: props.currentIndex || props.defaultCurrentIndex || 0,
visible: props.visible || props.currentDefaultVisible || false
};
this.foundation = new _previewFoundation.default(this.adapter);
this.previewGroupId = (0, _uuid.getUuidShort)({
prefix: "semi-image-preview-group",
length: 4
});
this.previewRef = /*#__PURE__*/_react.default.createRef();
}
componentDidMount() {
this.props.lazyLoad && this.observerImages();
}
componentDidUpdate(prevProps) {
if (this.props.lazyLoad) {
const prevChildrenKeys = _react.default.Children.toArray(prevProps.children).map(child => /*#__PURE__*/(0, _react.isValidElement)(child) ? child.key : null);
const currChildrenKeys = _react.default.Children.toArray(this.props.children).map(child => /*#__PURE__*/(0, _react.isValidElement)(child) ? child.key : null);
if (!(0, _isEqual2.default)(prevChildrenKeys, currChildrenKeys)) {
this.observerImages();
}
}
}
static getDerivedStateFromProps(props, state) {
const willUpdateStates = {};
if ("currentIndex" in props && props.currentIndex !== state.currentIndex) {
willUpdateStates.currentIndex = props.currentIndex;
}
if ("visible" in props && props.visible !== state.visible) {
willUpdateStates.visible = props.visible;
}
return willUpdateStates;
}
componentWillUnmount() {
if (this.previewObserver) {
this.previewObserver.disconnect();
this.previewObserver = null;
}
}
render() {
const _a = this.props,
{
src,
className,
style,
lazyLoad,
setDownloadName
} = _a,
restProps = __rest(_a, ["src", "className", "style", "lazyLoad", "setDownloadName"]);
const previewInnerProps = Object.assign(Object.assign({}, (0, _omit2.default)(restProps, ['previewCls', 'previewStyle'])), {
className: restProps === null || restProps === void 0 ? void 0 : restProps.previewCls,
style: restProps === null || restProps === void 0 ? void 0 : restProps.previewStyle
});
const {
currentIndex,
visible
} = this.state;
const {
srcListInChildren,
newChildren,
titles
} = this.loopImageIndex();
const srcArr = Array.isArray(src) ? src : typeof src === "string" ? [src] : [];
const finalSrcList = [...srcArr, ...srcListInChildren];
return /*#__PURE__*/_react.default.createElement(_previewContext.PreviewContext.Provider, {
value: {
isGroup: true,
previewSrc: finalSrcList,
titles: titles,
currentIndex,
visible,
lazyLoad,
previewObserver: this.previewObserver,
setCurrentIndex: this.handleCurrentIndexChange,
handleVisibleChange: this.handleVisibleChange,
setDownloadName: setDownloadName
}
}, /*#__PURE__*/_react.default.createElement("div", {
id: this.previewGroupId,
style: style,
className: (0, _classnames.default)(`${prefixCls}-preview-group`, className)
}, newChildren), /*#__PURE__*/_react.default.createElement(_previewInner.default, Object.assign({}, previewInnerProps, {
ref: this.previewRef,
src: finalSrcList,
currentIndex: currentIndex,
visible: visible,
onVisibleChange: this.handleVisibleChange
})));
}
}
exports.default = Preview;
Preview.propTypes = {
style: _propTypes.default.object,
className: _propTypes.default.string,
visible: _propTypes.default.bool,
src: _propTypes.default.oneOfType([_propTypes.default.string, _propTypes.default.array]),
currentIndex: _propTypes.default.number,
defaultCurrentIndex: _propTypes.default.number,
defaultVisible: _propTypes.default.bool,
maskClosable: _propTypes.default.bool,
closable: _propTypes.default.bool,
zoomStep: _propTypes.default.number,
infinite: _propTypes.default.bool,
showTooltip: _propTypes.default.bool,
closeOnEsc: _propTypes.default.bool,
prevTip: _propTypes.default.string,
nextTip: _propTypes.default.string,
zoomInTip: _propTypes.default.string,
zoomOutTip: _propTypes.default.string,
downloadTip: _propTypes.default.string,
adaptiveTip: _propTypes.default.string,
originTip: _propTypes.default.string,
lazyLoad: _propTypes.default.bool,
lazyLoadMargin: _propTypes.default.string,
preLoad: _propTypes.default.bool,
preLoadGap: _propTypes.default.number,
previewCls: _propTypes.default.string,
previewStyle: _propTypes.default.object,
disableDownload: _propTypes.default.bool,
zIndex: _propTypes.default.number,
renderHeader: _propTypes.default.func,
renderPreviewMenu: _propTypes.default.func,
getPopupContainer: _propTypes.default.func,
onVisibleChange: _propTypes.default.func,
onChange: _propTypes.default.func,
onClose: _propTypes.default.func,
onZoomIn: _propTypes.default.func,
onZoomOut: _propTypes.default.func,
onPrev: _propTypes.default.func,
onNext: _propTypes.default.func,
onDownload: _propTypes.default.func,
onRotateLeft: _propTypes.default.func,
onRatioChange: _propTypes.default.func
};
Preview.defaultProps = {
src: [],
lazyLoad: true,
lazyLoadMargin: "0px 100px 100px 0px",
closable: true
};