/** * 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 * @flow */ 'use strict'; const Button = require('../../Libraries/Components/Button'); const InputAccessoryView = require('../../Libraries/Components/TextInput/InputAccessoryView'); const React = require('react'); const ReactNative = require('react-native'); const {Text, TextInput, View, StyleSheet, Slider, Switch, Alert} = ReactNative; class WithLabel extends React.Component<$FlowFixMeProps> { render() { return ( <View style={styles.labelContainer}> <View style={styles.label}> <Text>{this.props.label}</Text> </View> {this.props.children} </View> ); } } class TextEventsExample extends React.Component<{}, $FlowFixMeState> { state = { curText: '<No Event>', prevText: '<No Event>', prev2Text: '<No Event>', prev3Text: '<No Event>', }; updateText = text => { this.setState(state => { return { curText: text, prevText: state.curText, prev2Text: state.prevText, prev3Text: state.prev2Text, }; }); }; render() { return ( <View> <TextInput autoCapitalize="none" placeholder="Enter text to see events" autoCorrect={false} onFocus={() => this.updateText('onFocus')} onBlur={() => this.updateText('onBlur')} onChange={event => this.updateText('onChange text: ' + event.nativeEvent.text) } onEndEditing={event => this.updateText('onEndEditing text: ' + event.nativeEvent.text) } onSubmitEditing={event => this.updateText('onSubmitEditing text: ' + event.nativeEvent.text) } onSelectionChange={event => this.updateText( 'onSelectionChange range: ' + event.nativeEvent.selection.start + ',' + (event.nativeEvent.selection.end || ''), ) } onKeyPress={event => { this.updateText('onKeyPress key: ' + event.nativeEvent.key); }} style={styles.default} /> <Text style={styles.eventLabel}> {this.state.curText} {'\n'} (prev: {this.state.prevText}){'\n'} (prev2: {this.state.prev2Text}){'\n'} (prev3: {this.state.prev3Text}) </Text> </View> ); } } class TextInputAccessoryViewExample extends React.Component<{}, *> { /* $FlowFixMe(>=0.85.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.85 was deployed. To see the error, delete this * comment and run Flow. */ constructor(props) { super(props); this.state = {text: 'Placeholder Text'}; } render() { const inputAccessoryViewID = 'inputAccessoryView1'; return ( <View> <TextInput style={styles.default} inputAccessoryViewID={inputAccessoryViewID} onChangeText={text => this.setState({text})} value={this.state.text} /> <InputAccessoryView nativeID={inputAccessoryViewID}> <View style={{backgroundColor: 'white'}}> <Button onPress={() => this.setState({text: 'Placeholder Text'})} title="Reset Text" /> </View> </InputAccessoryView> </View> ); } } class RewriteExample extends React.Component<$FlowFixMeProps, any> { /* $FlowFixMe(>=0.85.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.85 was deployed. To see the error, delete this * comment and run Flow. */ constructor(props) { super(props); this.state = {text: ''}; } render() { const limit = 20; const remainder = limit - this.state.text.length; const remainderColor = remainder > 5 ? 'blue' : 'red'; return ( <View style={styles.rewriteContainer}> <TextInput multiline={false} maxLength={limit} onChangeText={text => { text = text.replace(/ /g, '_'); this.setState({text}); }} style={styles.default} value={this.state.text} /> <Text style={[styles.remainder, {color: remainderColor}]}> {remainder} </Text> </View> ); } } class RewriteExampleInvalidCharacters extends React.Component< $FlowFixMeProps, any, > { /* $FlowFixMe(>=0.85.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.85 was deployed. To see the error, delete this * comment and run Flow. */ constructor(props) { super(props); this.state = {text: ''}; } render() { return ( <View style={styles.rewriteContainer}> <TextInput multiline={false} onChangeText={text => { this.setState({text: text.replace(/\s/g, '')}); }} style={styles.default} value={this.state.text} /> </View> ); } } class RewriteExampleKana extends React.Component<$FlowFixMeProps, any> { /* $FlowFixMe(>=0.85.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.85 was deployed. To see the error, delete this * comment and run Flow. */ constructor(props) { super(props); this.state = {text: ''}; } render() { return ( <View style={styles.rewriteContainer}> <TextInput multiline={false} onChangeText={text => { this.setState({text: text.replace(/ひ/g, '日')}); }} style={styles.default} value={this.state.text} /> </View> ); } } class SecureEntryExample extends React.Component<$FlowFixMeProps, any> { /* $FlowFixMe(>=0.85.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.85 was deployed. To see the error, delete this * comment and run Flow. */ constructor(props) { super(props); this.state = { text: '', password: '', isSecureTextEntry: true, }; } render() { return ( <View> <TextInput secureTextEntry={true} style={styles.default} defaultValue="abc" onChangeText={text => this.setState({text})} value={this.state.text} /> <Text>Current text is: {this.state.text}</Text> <View style={{ flex: 1, flexDirection: 'row', }}> <TextInput style={styles.default} defaultValue="cde" onChangeText={text => this.setState({password: text})} secureTextEntry={this.state.isSecureTextEntry} value={this.state.password} /> <Switch onValueChange={value => { this.setState({isSecureTextEntry: value}); }} style={{marginLeft: 4}} value={this.state.isSecureTextEntry} /> </View> </View> ); } } class TokenizedTextExample extends React.Component<$FlowFixMeProps, any> { /* $FlowFixMe(>=0.85.0 site=react_native_ios_fb) This comment suppresses an * error found when Flow v0.85 was deployed. To see the error, delete this * comment and run Flow. */ constructor(props) { super(props); this.state = {text: 'Hello #World'}; } render() { //define delimiter let delimiter = /\s+/; //split string let _text = this.state.text; let token, index, parts = []; while (_text) { delimiter.lastIndex = 0; token = delimiter.exec(_text); if (token === null) { break; } index = token.index; if (token[0].length === 0) { index = 1; } parts.push(_text.substr(0, index)); parts.push(token[0]); index = index + token[0].length; _text = _text.slice(index); } parts.push(_text); //highlight hashtags parts = parts.map(text => { if (/^#/.test(text)) { return ( <Text key={text} style={styles.hashtag}> {text} </Text> ); } else { return text; } }); return ( <View> <TextInput multiline={true} style={styles.multiline} onChangeText={text => { this.setState({text}); }}> <Text>{parts}</Text> </TextInput> </View> ); } } class BlurOnSubmitExample extends React.Component<{}> { focusNextField = nextField => { this.refs[nextField].focus(); }; render() { return ( <View> <TextInput ref="1" style={styles.default} placeholder="blurOnSubmit = false" returnKeyType="next" blurOnSubmit={false} onSubmitEditing={() => this.focusNextField('2')} /> <TextInput ref="2" style={styles.default} keyboardType="email-address" placeholder="blurOnSubmit = false" returnKeyType="next" blurOnSubmit={false} onSubmitEditing={() => this.focusNextField('3')} /> <TextInput ref="3" style={styles.default} keyboardType="url" placeholder="blurOnSubmit = false" returnKeyType="next" blurOnSubmit={false} onSubmitEditing={() => this.focusNextField('4')} /> <TextInput ref="4" style={styles.default} keyboardType="numeric" returnKeyType="done" placeholder="blurOnSubmit = false" blurOnSubmit={false} onSubmitEditing={() => this.focusNextField('5')} /> <TextInput ref="5" style={styles.default} keyboardType="numbers-and-punctuation" placeholder="blurOnSubmit = true" returnKeyType="done" /> </View> ); } } type SelectionExampleState = { selection: $ReadOnly<{| start: number, end?: number, |}>, value: string, }; class SelectionExample extends React.Component< $FlowFixMeProps, SelectionExampleState, > { _textInput: any; constructor(props) { super(props); this.state = { selection: {start: 0, end: 0}, value: props.value, }; } onSelectionChange({nativeEvent: {selection}}) { this.setState({selection}); } getRandomPosition() { const length = this.state.value.length; return Math.round(Math.random() * length); } select(start, end) { this._textInput.focus(); this.setState({selection: {start, end}}); } selectRandom() { const positions = [this.getRandomPosition(), this.getRandomPosition()].sort( (a, b) => a - b, ); this.select(...positions); } placeAt(position) { this.select(position, position); } placeAtRandom() { this.placeAt(this.getRandomPosition()); } render() { const length = this.state.value.length; return ( <View> <TextInput multiline={this.props.multiline} onChangeText={value => this.setState({value})} onSelectionChange={this.onSelectionChange.bind(this)} ref={textInput => (this._textInput = textInput)} selection={this.state.selection} style={this.props.style} value={this.state.value} /> <View> <Text>selection = {JSON.stringify(this.state.selection)}</Text> <Text onPress={this.placeAt.bind(this, 0)}> Place at Start (0, 0) </Text> <Text onPress={this.placeAt.bind(this, length)}> Place at End ({length}, {length}) </Text> <Text onPress={this.placeAtRandom.bind(this)}>Place at Random</Text> <Text onPress={this.select.bind(this, 0, length)}>Select All</Text> <Text onPress={this.selectRandom.bind(this)}>Select Random</Text> </View> </View> ); } } class AutogrowingTextInputExample extends React.Component< $FlowFixMeProps, $FlowFixMeState, > { constructor(props) { super(props); this.state = { width: 100, multiline: true, text: '', contentSize: { width: 0, height: 0, }, }; } UNSAFE_componentWillReceiveProps(props) { this.setState({ multiline: props.multiline, }); } render() { const {style, multiline, ...props} = this.props; return ( <View> <Text>Width:</Text> <Slider value={100} minimumValue={0} maximumValue={100} step={10} onValueChange={value => this.setState({width: value})} /> <Text>Multiline:</Text> <Switch value={this.state.multiline} onValueChange={value => this.setState({multiline: value})} /> <Text>TextInput:</Text> <TextInput value="prop" multiline={this.state.multiline} style={[style, {width: this.state.width + '%'}]} onChangeText={value => this.setState({text: value})} onContentSizeChange={event => this.setState({contentSize: event.nativeEvent.contentSize}) } {...props} /> <Text>Plain text value representation:</Text> <Text>{this.state.text}</Text> <Text>Content Size: {JSON.stringify(this.state.contentSize)}</Text> </View> ); } } const styles = StyleSheet.create({ default: { borderWidth: StyleSheet.hairlineWidth, borderColor: '#0f0f0f', flex: 1, fontSize: 13, padding: 4, }, multiline: { borderWidth: StyleSheet.hairlineWidth, borderColor: '#0f0f0f', flex: 1, fontSize: 13, height: 50, padding: 4, marginBottom: 4, }, multilineExpandable: { height: 'auto', maxHeight: 100, }, multilineWithFontStyles: { color: 'blue', fontWeight: 'bold', fontSize: 18, fontFamily: 'Cochin', height: 60, }, eventLabel: { margin: 3, fontSize: 12, }, labelContainer: { flexDirection: 'row', marginVertical: 2, flex: 1, }, label: { width: 115, alignItems: 'flex-end', marginRight: 10, paddingTop: 2, }, rewriteContainer: { flexDirection: 'row', alignItems: 'center', }, remainder: { textAlign: 'right', width: 24, }, hashtag: { color: 'blue', fontWeight: 'bold', }, }); exports.displayName = (undefined: ?string); exports.title = '<TextInput>'; exports.description = 'Single and multi-line text inputs.'; exports.examples = [ { title: 'Auto-focus', render: function() { return ( <TextInput autoFocus={true} style={styles.default} accessibilityLabel="I am the accessibility label for text input" /> ); }, }, { title: "Live Re-Write (<sp> -> '_') + maxLength", render: function() { return <RewriteExample />; }, }, { title: 'Live Re-Write (no spaces allowed)', render: function() { return <RewriteExampleInvalidCharacters />; }, }, { title: 'Live Re-Write (ひ -> 日)', render: function() { return <RewriteExampleKana />; }, }, { title: 'Keyboard Accessory View', render: function() { return <TextInputAccessoryViewExample />; }, }, { title: 'Auto-capitalize', render: function() { return ( <View> <WithLabel label="none"> <TextInput autoCapitalize="none" style={styles.default} /> </WithLabel> <WithLabel label="sentences"> <TextInput autoCapitalize="sentences" style={styles.default} /> </WithLabel> <WithLabel label="words"> <TextInput autoCapitalize="words" style={styles.default} /> </WithLabel> <WithLabel label="characters"> <TextInput autoCapitalize="characters" style={styles.default} /> </WithLabel> </View> ); }, }, { title: 'Auto-correct', render: function() { return ( <View> <WithLabel label="true"> <TextInput autoCorrect={true} style={styles.default} /> </WithLabel> <WithLabel label="false"> <TextInput autoCorrect={false} style={styles.default} /> </WithLabel> </View> ); }, }, { title: 'Nested content and `value` property', render: function() { return ( <View> <WithLabel label="singleline"> <TextInput style={styles.default} value="(value property)"> (first raw text node) <Text style={{color: 'red'}}>(internal raw text node)</Text> (last raw text node) </TextInput> </WithLabel> <WithLabel label="multiline"> <TextInput style={styles.default} multiline={true} value="(value property)"> (first raw text node) <Text style={{color: 'red'}}>(internal raw text node)</Text> (last raw text node) </TextInput> </WithLabel> </View> ); }, }, { title: 'Keyboard types', render: function() { const keyboardTypes = [ 'default', 'ascii-capable', 'numbers-and-punctuation', 'url', 'number-pad', 'phone-pad', 'name-phone-pad', 'email-address', 'decimal-pad', 'twitter', 'web-search', 'numeric', ]; const examples = keyboardTypes.map(type => { return ( <WithLabel key={type} label={type}> <TextInput keyboardType={type} style={styles.default} /> </WithLabel> ); }); return <View>{examples}</View>; }, }, { title: 'Keyboard appearance', render: function() { const keyboardAppearance = ['default', 'light', 'dark']; const examples = keyboardAppearance.map(type => { return ( <WithLabel key={type} label={type}> <TextInput keyboardAppearance={type} style={styles.default} /> </WithLabel> ); }); return <View>{examples}</View>; }, }, { title: 'Return key types', render: function() { const returnKeyTypes = [ 'default', 'go', 'google', 'join', 'next', 'route', 'search', 'send', 'yahoo', 'done', 'emergency-call', ]; const examples = returnKeyTypes.map(type => { return ( <WithLabel key={type} label={type}> <TextInput returnKeyType={type} style={styles.default} /> </WithLabel> ); }); return <View>{examples}</View>; }, }, { title: 'Enable return key automatically', render: function() { return ( <View> <WithLabel label="true"> <TextInput enablesReturnKeyAutomatically={true} style={styles.default} /> </WithLabel> </View> ); }, }, { title: 'Secure text entry', render: function() { return <SecureEntryExample />; }, }, { title: 'Event handling', render: function(): React.Element<any> { return <TextEventsExample />; }, }, { title: 'Colored input text', render: function() { return ( <View> <TextInput style={[styles.default, {color: 'blue'}]} defaultValue="Blue" /> <TextInput style={[styles.default, {color: 'green'}]} defaultValue="Green" /> </View> ); }, }, { title: 'Colored highlight/cursor for text input', render: function() { return ( <View> <TextInput style={styles.default} selectionColor={'green'} defaultValue="Highlight me" /> <TextInput style={styles.default} selectionColor={'rgba(86, 76, 205, 1)'} defaultValue="Highlight me" /> </View> ); }, }, { title: 'Clear button mode', render: function() { const clearButtonModes = [ 'never', 'while-editing', 'unless-editing', 'always', ]; const examples = clearButtonModes.map(mode => { return ( <WithLabel label={mode}> <TextInput key={mode} style={styles.default} clearButtonMode={mode} defaultValue={mode} /> </WithLabel> ); }); return <View>{examples}</View>; }, }, { title: 'Clear and select', render: function() { return ( <View> <WithLabel label="clearTextOnFocus"> <TextInput placeholder="text is cleared on focus" defaultValue="text is cleared on focus" style={styles.default} clearTextOnFocus={true} /> </WithLabel> <WithLabel label="selectTextOnFocus"> <TextInput placeholder="text is selected on focus" defaultValue="text is selected on focus" style={styles.default} selectTextOnFocus={true} /> </WithLabel> <WithLabel label="clearTextOnFocus (multiline)"> <TextInput placeholder="text is cleared on focus" defaultValue="text is cleared on focus" style={styles.default} clearTextOnFocus={true} multiline={true} /> </WithLabel> <WithLabel label="selectTextOnFocus (multiline)"> <TextInput placeholder="text is selected on focus" defaultValue="text is selected on focus" style={styles.default} selectTextOnFocus={true} multiline={true} /> </WithLabel> </View> ); }, }, { title: 'Blur on submit', render: function(): React.Element<any> { return <BlurOnSubmitExample />; }, }, { title: 'Multiline blur on submit', render: function() { return ( <View> <TextInput style={styles.multiline} placeholder="blurOnSubmit = true" returnKeyType="next" blurOnSubmit={true} multiline={true} onSubmitEditing={event => Alert.alert('Alert', event.nativeEvent.text) } /> </View> ); }, }, { title: 'Multiline', render: function() { return ( <View> <TextInput placeholder="multiline text input" multiline={true} style={styles.multiline} /> <TextInput placeholder="multiline text input with font styles and placeholder" multiline={true} clearTextOnFocus={true} autoCorrect={true} autoCapitalize="words" placeholderTextColor="red" keyboardType="url" style={[styles.multiline, styles.multilineWithFontStyles]} /> <TextInput placeholder="multiline text input with max length" maxLength={5} multiline={true} style={styles.multiline} /> <TextInput placeholder="uneditable multiline text input" editable={false} multiline={true} style={styles.multiline} /> <TextInput defaultValue="uneditable multiline text input with phone number detection: 88888888." editable={false} multiline={true} style={styles.multiline} dataDetectorTypes="phoneNumber" /> </View> ); }, }, { title: 'TextInput Intrinsic Size', render: function() { return ( <View> <Text>Singleline TextInput</Text> <View style={{height: 80}}> <TextInput style={{ position: 'absolute', fontSize: 16, backgroundColor: '#eeeeee', borderColor: '#666666', borderWidth: 5, borderTopWidth: 20, borderRadius: 10, borderBottomRightRadius: 20, padding: 10, paddingTop: 20, }} testID="singleline_textinput" placeholder="Placeholder defines intrinsic size" /> </View> <Text>Multiline TextInput</Text> <View style={{height: 130}}> <TextInput style={{ position: 'absolute', fontSize: 16, backgroundColor: '#eeeeee', borderColor: '#666666', borderWidth: 5, borderTopWidth: 20, borderRadius: 10, borderBottomRightRadius: 20, padding: 10, paddingTop: 20, maxHeight: 100, }} testID="multiline_textinput" multiline={true} placeholder="Placeholder defines intrinsic size" /> </View> <View> <TextInput style={{ fontSize: 16, backgroundColor: '#eeeeee', borderColor: '#666666', borderWidth: 5, borderTopWidth: 20, borderRadius: 10, borderBottomRightRadius: 20, padding: 10, paddingTop: 20, }} testID="multiline_textinput_with_flex" multiline={true} placeholder="Placeholder defines intrinsic size" /> </View> </View> ); }, }, { title: 'Auto-expanding', render: function() { return ( <View> <TextInput placeholder="height increases with content" defaultValue="React Native enables you to build world-class application experiences on native platforms using a consistent developer experience based on JavaScript and React. The focus of React Native is on developer efficiency across all the platforms you care about - learn once, write anywhere. Facebook uses React Native in multiple production apps and will continue investing in React Native." multiline={true} enablesReturnKeyAutomatically={true} returnKeyType="go" style={[styles.multiline, styles.multilineExpandable]} /> </View> ); }, }, { title: 'Auto-expanding', render: function() { return ( <View> <AutogrowingTextInputExample enablesReturnKeyAutomatically={true} returnKeyType="done" multiline={true} style={{ maxHeight: 400, minHeight: 20, paddingTop: 0, backgroundColor: '#eeeeee', color: 'blue', }}> <Text style={{fontSize: 30, color: 'green'}}>huge</Text> generic generic generic <Text style={{fontSize: 6, color: 'red'}}> small small small small small small </Text> <Text>regular regular</Text> <Text style={{fontSize: 30, color: 'green'}}> huge huge huge huge huge </Text> generic generic generic </AutogrowingTextInputExample> </View> ); }, }, { title: 'Attributed text', render: function() { return <TokenizedTextExample />; }, }, { title: 'Text selection & cursor placement', render: function() { return ( <View> <SelectionExample style={styles.default} value="text selection can be changed" /> <SelectionExample multiline style={styles.multiline} value={'multiline text selection\ncan also be changed'} /> </View> ); }, }, { title: 'TextInput maxLength', render: function() { return ( <View> <WithLabel label="maxLength: 5"> <TextInput maxLength={5} style={styles.default} /> </WithLabel> <WithLabel label="maxLength: 5 with placeholder"> <TextInput maxLength={5} placeholder="ZIP code entry" style={styles.default} /> </WithLabel> <WithLabel label="maxLength: 5 with default value already set"> <TextInput maxLength={5} defaultValue="94025" style={styles.default} /> </WithLabel> <WithLabel label="maxLength: 5 with very long default value already set"> <TextInput maxLength={5} defaultValue="9402512345" style={styles.default} /> </WithLabel> </View> ); }, }, { title: 'Text Content Type', render: function() { return ( <View> <WithLabel label="emailAddress"> <TextInput textContentType="emailAddress" style={styles.default} /> </WithLabel> <WithLabel label="name"> <TextInput textContentType="name" style={styles.default} /> </WithLabel> </View> ); }, }, ];