@react-native-picker/picker
Version:
React Native Picker for iOS, Android, macOS, and Windows
152 lines (129 loc) • 6.2 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.
*
* @format
*
*/
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var React = _interopRequireWildcard(require("react"));
var _reactNative = require("react-native");
var _AndroidDialogPickerNativeComponent = _interopRequireDefault(require("./AndroidDialogPickerNativeComponent"));
var _AndroidDropdownPickerNativeComponent = _interopRequireDefault(require("./AndroidDropdownPickerNativeComponent"));
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 _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
const MODE_DROPDOWN = 'dropdown';
/**
* Not exposed as a public API - use <Picker> instead.
*/
function PickerAndroid(props, ref) {
const pickerRef = React.useRef(null);
React.useImperativeHandle(ref, () => {
const viewManagerConfig = _reactNative.UIManager.getViewManagerConfig(props.mode === MODE_DROPDOWN ? 'RNCAndroidDialogPicker' : 'RNCAndroidDropdownPicker');
return {
blur: () => {
if (!viewManagerConfig.Commands) {
return;
}
_reactNative.UIManager.dispatchViewManagerCommand((0, _reactNative.findNodeHandle)(pickerRef.current), viewManagerConfig.Commands.blur, []);
},
focus: () => {
if (!viewManagerConfig.Commands) {
return;
}
_reactNative.UIManager.dispatchViewManagerCommand((0, _reactNative.findNodeHandle)(pickerRef.current), viewManagerConfig.Commands.focus, []);
}
};
});
const [items, selected] = React.useMemo(() => {
// eslint-disable-next-line no-shadow
let selected = 0; // eslint-disable-next-line no-shadow
const items = React.Children.toArray(props.children).map((child, index) => {
if (child === null) {
return null;
}
if (child.props.value === props.selectedValue) {
selected = index;
}
const {
enabled = true
} = child.props;
const {
color,
label,
style = {}
} = child.props;
const processedColor = (0, _reactNative.processColor)(color);
return {
color: color == null ? null : processedColor,
label,
enabled,
style: { ...style,
color: style.color ? (0, _reactNative.processColor)(style.color) : null,
backgroundColor: style.color ? (0, _reactNative.processColor)(style.backgroundColor) : null
}
};
});
return [items, selected];
}, [props.children, props.selectedValue]);
const onSelect = React.useCallback(({
nativeEvent
}) => {
const {
position
} = nativeEvent;
const onValueChange = props.onValueChange;
if (onValueChange != null) {
if (position >= 0) {
const children = React.Children.toArray(props.children).filter(item => item != null);
const value = children[position].props.value;
if (props.selectedValue !== value) {
onValueChange(value, position);
}
} else {
onValueChange(null, position);
}
} // 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 (pickerRef.current && selected !== position) {
// TODO: using setNativeProps is deprecated and will be unsupported once Fabric lands. Use codegen to generate native commands
pickerRef.current.setNativeProps({
selected
});
}
}, [props.children, props.onValueChange, props.selectedValue, selected]);
const Picker = props.mode === MODE_DROPDOWN ? _AndroidDropdownPickerNativeComponent.default : _AndroidDialogPickerNativeComponent.default;
const rootProps = {
accessibilityLabel: props.accessibilityLabel,
enabled: props.enabled,
items,
onBlur: props.onBlur,
onFocus: props.onFocus,
onSelect,
prompt: props.prompt,
selected,
style: props.style,
dropdownIconColor: (0, _reactNative.processColor)(props.dropdownIconColor),
dropdownIconRippleColor: (0, _reactNative.processColor)(props.dropdownIconRippleColor),
testID: props.testID,
numberOfLines: props.numberOfLines
};
return /*#__PURE__*/React.createElement(Picker, _extends({
ref: pickerRef
}, rootProps));
}
var _default = /*#__PURE__*/React.forwardRef(PickerAndroid);
exports.default = _default;
//# sourceMappingURL=PickerAndroid.android.js.map