@cloudscape_innovation/react-images-viewer
Version:
Create an react-images-viewer component.
208 lines (204 loc) • 10.4 kB
JavaScript
;
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _propTypes = _interopRequireDefault(require("prop-types"));
var _react = _interopRequireWildcard(require("react"));
var _noImportant = require("aphrodite/no-important");
var _Thumbnail = _interopRequireDefault(require("./Thumbnail"));
var _Arrow = _interopRequireDefault(require("./Arrow"));
var _theme = _interopRequireDefault(require("../theme"));
var _jsxRuntime = require("react/jsx-runtime");
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
var classes = _noImportant.StyleSheet.create({
paginatedThumbnails: {
bottom: _theme.default.container.gutter.vertical,
height: _theme.default.thumbnail.size,
padding: '0 50px',
position: 'absolute',
textAlign: 'center',
whiteSpace: 'nowrap',
left: '50%',
transform: 'translateX(-50%)'
}
});
var arrowStyles = {
height: _theme.default.thumbnail.size + _theme.default.thumbnail.gutter * 2,
width: 40
};
var PaginatedThumbnails = exports.default = /*#__PURE__*/function (_Component) {
function PaginatedThumbnails(props) {
var _this;
_classCallCheck(this, PaginatedThumbnails);
_this = _callSuper(this, PaginatedThumbnails, [props]);
_this.state = {
hasCustomPage: false
};
_this.gotoPrev = _this.gotoPrev.bind(_this);
_this.gotoNext = _this.gotoNext.bind(_this);
return _this;
}
_inherits(PaginatedThumbnails, _Component);
return _createClass(PaginatedThumbnails, [{
key: "UNSAFE_componentWillReceiveProps",
value: function UNSAFE_componentWillReceiveProps(nextProps) {
if (nextProps.currImg !== this.props.currImg) {
this.setState({
hasCustomPage: false
});
}
}
// ====================
// Methods
// ====================
}, {
key: "getFirst",
value: function getFirst() {
var _this$props = this.props,
currImg = _this$props.currImg,
offset = _this$props.offset;
if (this.state.hasCustomPage) {
return this.clampFirst(this.state.first);
}
return this.clampFirst(currImg - offset);
}
}, {
key: "setFirst",
value: function setFirst(event, newFirst) {
var first = this.state.first;
if (event) {
event.preventDefault();
event.stopPropagation();
}
if (first === newFirst) return;
this.setState({
hasCustomPage: true,
first: newFirst
});
}
}, {
key: "gotoPrev",
value: function gotoPrev(event) {
this.setFirst(event, this.getFirst() - this.props.offset);
}
}, {
key: "gotoNext",
value: function gotoNext(event) {
this.setFirst(event, this.getFirst() + this.props.offset);
}
}, {
key: "clampFirst",
value: function clampFirst(value) {
var _this$props2 = this.props,
imgs = _this$props2.imgs,
offset = _this$props2.offset;
var totalCount = 2 * offset + 1; // show $offset extra thumbnails on each side
if (value < 0) {
return 0;
} else if (value + totalCount > imgs.length) {
// Too far
return imgs.length - totalCount;
} else {
return value;
}
}
// ====================
// Renderers
// ====================
}, {
key: "renderArrowPrev",
value: function renderArrowPrev(theme) {
var leftTitle = this.props.leftTitle;
if (this.getFirst() <= 0) return null;
return /*#__PURE__*/(0, _jsxRuntime.jsx)(_Arrow.default, {
theme: theme,
direction: "left",
size: "small",
icon: "arrowLeft",
onClick: this.gotoPrev,
style: arrowStyles,
title: leftTitle,
type: "button"
});
}
}, {
key: "renderArrowNext",
value: function renderArrowNext(theme) {
var _this$props3 = this.props,
offset = _this$props3.offset,
imgs = _this$props3.imgs,
rightTitle = _this$props3.rightTitle;
var totalCount = 2 * offset + 1;
if (this.getFirst() + totalCount >= imgs.length) return null;
return /*#__PURE__*/(0, _jsxRuntime.jsx)(_Arrow.default, {
theme: theme,
direction: "right",
size: "small",
icon: "arrowRight",
onClick: this.gotoNext,
style: arrowStyles,
title: rightTitle,
type: "button"
});
}
}, {
key: "render",
value: function render() {
var _this$props4 = this.props,
imgs = _this$props4.imgs,
currImg = _this$props4.currImg,
onClickThumbnail = _this$props4.onClickThumbnail,
offset = _this$props4.offset,
theme = _this$props4.theme;
var totalCount = 2 * offset + 1; // show $offset extra thumbnails on each side
var thumbnails = [];
var baseOffset = 0;
if (imgs.length <= totalCount) {
thumbnails = imgs;
} else {
// Try to center current image in list
baseOffset = this.getFirst();
thumbnails = imgs.slice(baseOffset, baseOffset + totalCount);
}
return /*#__PURE__*/(0, _jsxRuntime.jsxs)("div", {
className: (0, _noImportant.css)(classes.paginatedThumbnails),
children: [this.renderArrowPrev(theme), thumbnails.map(function (img, idx) {
return /*#__PURE__*/(0, _jsxRuntime.jsx)(_Thumbnail.default, _objectSpread(_objectSpread({
theme: theme
}, img), {}, {
index: baseOffset + idx,
onClick: onClickThumbnail,
active: baseOffset + idx === currImg
}), baseOffset + idx);
}), this.renderArrowNext(theme)]
});
}
}]);
}(_react.Component);
PaginatedThumbnails.propTypes = {
theme: _propTypes.default.object,
leftTitle: _propTypes.default.string,
rightTitle: _propTypes.default.string,
currImg: _propTypes.default.number,
imgs: _propTypes.default.array,
offset: _propTypes.default.number,
onClickThumbnail: _propTypes.default.func.isRequired
};