@react-native-picker/picker
Version:
React Native Picker for iOS, Android, macOS, and Windows
123 lines (100 loc) • 4.54 kB
JavaScript
/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* This is a controlled component version of RNCPickerMacOS
*
* @format
*
*/
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var React = _interopRequireWildcard(require("react"));
var _reactNative = require("react-native");
var _RNCPickerNativeComponent = _interopRequireDefault(require("./RNCPickerNativeComponent"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
const PickerMacOSItem = props => {
return null;
};
class PickerMacOS extends React.Component {
constructor(...args) {
super(...args);
_defineProperty(this, "_picker", null);
_defineProperty(this, "state", {
selectedIndex: 0,
items: []
});
_defineProperty(this, "_onChange", event => {
if (this.props.onChange) {
this.props.onChange(event);
}
if (this.props.onValueChange) {
this.props.onValueChange(event.nativeEvent.newValue, event.nativeEvent.newIndex);
} // The picker is a controlled component. This means we expect the
// on*Change handlers to be in charge of updating our
// `selectedValue` prop. That way they can also
// disallow/undo/mutate the selection of certain values. In other
// words, the embedder of this component should be the source of
// truth, not the native component.
if (this._picker && this.state.selectedIndex !== event.nativeEvent.newIndex) {
this._picker.setNativeProps({
selectedIndex: this.state.selectedIndex
});
}
});
}
static getDerivedStateFromProps(props) {
let selectedIndex = 0;
const items = [];
React.Children.toArray(props.children).forEach(function (child, index) {
if (child.props.value === props.selectedValue) {
selectedIndex = index;
}
items.push({
value: child.props.value,
label: child.props.label,
textColor: (0, _reactNative.processColor)(child.props.color),
testID: child.props.testID
});
});
return {
selectedIndex,
items
};
}
render() {
return /*#__PURE__*/React.createElement(_reactNative.View, {
style: this.props.style
}, /*#__PURE__*/React.createElement(_RNCPickerNativeComponent.default, {
ref: picker => {
this._picker = picker;
},
testID: this.props.testID,
style: [styles.pickerMacOS, this.props.itemStyle],
items: this.state.items,
selectedIndex: this.state.selectedIndex,
onChange: this._onChange
}));
}
}
_defineProperty(PickerMacOS, "Item", PickerMacOSItem);
const styles = _reactNative.StyleSheet.create({
pickerMacOS: {
// The picker will conform to whatever width is given, but we do
// have to set the component's height explicitly on the
// surrounding view to ensure it gets rendered.
height: 24
}
});
var _default = PickerMacOS;
exports.default = _default;
//# sourceMappingURL=PickerMacOS.macos.js.map