# react-native-modal-selector [![npm version](https://badge.fury.io/js/react-native-modal-selector.svg)](https://badge.fury.io/js/react-native-modal-selector) A cross-platform (iOS / Android), selector/picker component for React Native that is highly customizable and supports sections. This project is the official continuation of the abandoned `react-native-modal-picker` repo. Contributors are welcome to [request a promotion to collaborator status](https://github.com/peacechen/react-native-modal-selector/issues/1). ## Demo

## Install ```sh npm install react-native-modal-selector ``` ## Usage You can either use this component in its default mode, as a wrapper around your existing component or provide a custom component (where you need to control opening of the modal yourself). In default mode a customizable button is rendered. See `SampleApp` for an example how to use this component. ```jsx import ModalSelector from 'react-native-modal-selector' class SampleApp extends Component { constructor(props) { super(props); this.state = { textInputValue: '' } } render() { let index = 0; const data = [ { key: index++, section: true, label: 'Fruits' }, { key: index++, label: 'Red Apples' }, { key: index++, label: 'Cherries' }, { key: index++, label: 'Cranberries', accessibilityLabel: 'Tap here for cranberries' }, // etc... // Can also add additional custom keys which are passed to the onChange callback { key: index++, label: 'Vegetable', customKey: 'Not a fruit' } ]; return ( // Default mode { alert(`${option.label} (${option.key}) nom nom nom`) }} /> // Wrapper { this.setState({textInputValue:option.label})}}> // Custom component { this.selector = selector; }} customSelector={ this.selector.open()} />} /> ); } } ``` ## Data Format The selector accepts a specific format of data: ```javascript [{ key: 5, label: 'Red Apples' }] ``` Optionally provide a `component` key which overrides the default label text. Optionally provide a unique `testID` for each item: ```javascript [{ key: 5, label: 'Red Apples', // The next keys are optional -- component: Red Apples custom component ☺, testID: '5-red-apples' }] ```

If your data has a specific format, you can define extractors of data, example: ```javascript this.setState({data: [{ id: 5, name: 'Red Apples' }]}); return ( item.id} labelExtractor= {item => item.name} /> ); ``` ## API ### Props Prop | Type | Optional | Default | Description ------------------- | -------- | -------- | ------------ | ----------- `data` | array | No | [] | array of objects with a unique `key` and `label` to select in the modal. Optional `component` overrides label text. Optional unique `testID` for each item. `onChange` | function | Yes | () => {} | callback function, when the users has selected an option `onModalOpen` | function | Yes | () => {} | callback function, when modal is opening `onModalClose` | function | Yes | (item) => {} | callback function, when modal is closing. Returns the selected item. `keyExtractor` | function | Yes | (data) => data.key | extract the key from the data item `labelExtractor` | function | Yes | (data) => data.label | extract the label from the data item `componentExtractor`| function | Yes | (data) => data.component | extract the component from the data item `visible` | bool | Yes | false | control open/close state of modal `closeOnChange` | bool | Yes | true | control if modal closes on select `initValue` | string | Yes | `Select me!` | text that is initially shown on the button `cancelText` | string | Yes | `cancel` | text of the cancel button `disabled` | bool | Yes | false | `true` disables opening of the modal `supportedOrientations` | ['portrait', 'landscape'] | Yes | both | orientations the modal supports `keyboardShouldPersistTaps`| `string` / `bool` | Yes | `always` | passed to underlying ScrollView `listType` | string | Yes | `SCROLLVIEW` | scroller type: `SCROLLVIEW` or `FLATLIST` `animationType` | string | Yes | `slide` | type of animation to be used to show the modal. Must be one of `none`, `slide` or `fade`. `style` | object | Yes | | style definitions for the root element `childrenContainerStyle`| object | Yes | {} | style definitions for the children container view `touchableStyle` | object | Yes | {} | style definitions for the touchable element `touchableActiveOpacity` | number | Yes | 0.2 | opacity for the touchable element on touch `selectStyle` | object | Yes | {} | style definitions for the select element (available in default mode only!). NOTE: Due to breaking changes in React Native, RN < 0.39.0 should pass `flex:1` explicitly to `selectStyle` as a prop. `selectTextStyle` | object | Yes | {} | style definitions for the select element (available in default mode only!) `overlayStyle` | object | Yes | { flex: 1, padding: '5%', justifyContent: 'center', backgroundColor: 'rgba(0,0,0,0.7)' } | style definitions for the overlay background element. RN <= 0.41 should override this with pixel value for padding. `sectionStyle` | object | Yes | {} | style definitions for the section element `sectionTextStyle` | object | Yes | {} | style definitions for the select text element `selectedItemTextStyle` | object | Yes | {} | style definitions for the currently selected text element `optionStyle` | object | Yes | {} | style definitions for the option element `optionTextStyle` | object | Yes | {} | style definitions for the option text element `optionContainerStyle`| object | Yes | {} | style definitions for the option container element `cancelStyle` | object | Yes | {} | style definitions for the cancel element `cancelTextStyle` | object | Yes | {} | style definitions for the cancel text element `initValueTextStyle`| object | Yes | {} | style definitions for the initValue text element `cancelContainerStyle`| object | Yes | {} | style definitions for the cancel container `backdropPressToClose`| bool | Yes | false | `true` makes the modal close when the overlay is pressed `passThruProps`| object | Yes | {} | props to pass through to the container View and each option TouchableOpacity (e.g. testID for testing) `selectTextPassThruProps`| object | Yes | {} | props to pass through to the select text component `optionTextPassThruProps`| object | Yes | {} | props to pass through to the options text components in the modal `cancelTextPassThruProps`| object | Yes | {} | props to pass through to the cancel text components in the modal `scrollViewPassThruProps`| object | Yes | {} | props to pass through to the internal ScrollView `openButtonContainerAccessible`| bool | Yes | false | `true` enables accessibility for the open button container. Note: if `false` be sure to define accessibility props directly in the wrapped component. `listItemAccessible`| bool | Yes | false | `true` enables accessibility for data items. Note: data items should have an `accessibilityLabel` property if this is enabled `cancelButtonAccessible`| bool | Yes | false | `true` enables accessibility for cancel button. `scrollViewAccessible`| bool | Yes | false | `true` enables accessibility for the scroll view. Only enable this if you don't want to interact with individual data items. `scrollViewAccessibilityLabel` | string | Yes | undefined | Accessibility label for the modal ScrollView `cancelButtonAccessibilityLabel` | string | Yes | undefined | Accessibility label for the cancel button `modalOpenerHitSlop` | object | Yes | {} | How far touch can stray away from touchable that opens modal ([RN docs](https://facebook.github.io/react-native/docs/touchablewithoutfeedback.html#hitslop)) `customSelector` | node | Yes | undefined | Render a custom node instead of the built-in select box. `selectedKey` | any | Yes | '' | Key of the item to be initially selected `enableShortPress` | bool | Yes | true | enables short press. This is regular touch behavior. `enableLongPress` | bool | Yes | false | enables long press. When true, `onModalOpen` returns `{longPress: true}` `optionsTestIDPrefix` | string | Yes | `'default'` | This prefixes each selectable option's testID prop if no testID keys are provided in `props.data` array objects. Default for each option's testID: 'default-\' `header` | node | Yes | undefined | Render a header above the list `onEndReached` | function | Yes | undefined | Called once when the scroll position gets of the rendered content. ### Methods * `open()`: open the modal. * `close()`: close the modal. * `getSelectedItem()`: get current selected item, updated by onChange event. ## See also * A similar project is [hepter/react-native-modal-selector-searchable](https://github.com/hepter/react-native-modal-selector-searchable), which is a fork of this module that adds searching capabilities.

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react-native-modal-selector	128,233	369	43.4 kB	41	-	MIT