react-native/RNTester/js/TextInputExample.ios.js

890 lines
22 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @flow
* @providesModule TextInputExample
*/
'use strict';
var React = require('react');
var ReactNative = require('react-native');
var {
Text,
TextInput,
View,
StyleSheet,
} = ReactNative;
class WithLabel extends React.Component {
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 {
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 RewriteExample extends React.Component {
state: any;
constructor(props) {
super(props);
this.state = {text: ''};
}
render() {
var limit = 20;
var remainder = limit - this.state.text.length;
var 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 {
state: any;
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 TokenizedTextExample extends React.Component {
state: any;
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: {
start: number;
end?: number;
};
value: string;
};
class SelectionExample extends React.Component {
state: SelectionExampleState;
_textInput: any;
constructor(props) {
super(props);
this.state = {
selection: {start: 0, end: 0},
value: props.value
};
}
onSelectionChange({nativeEvent: {selection}}) {
this.setState({selection});
}
getRandomPosition() {
var length = this.state.value.length;
return Math.round(Math.random() * length);
}
select(start, end) {
this._textInput.focus();
this.setState({selection: {start, end}});
}
selectRandom() {
var positions = [this.getRandomPosition(), this.getRandomPosition()].sort();
this.select(...positions);
}
placeAt(position) {
this.select(position, position);
}
placeAtRandom() {
this.placeAt(this.getRandomPosition());
}
render() {
var 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>
);
}
}
var styles = StyleSheet.create({
page: {
paddingBottom: 300,
},
default: {
borderWidth: 0.5,
borderColor: '#0f0f0f',
flex: 1,
fontSize: 13,
padding: 4,
},
multiline: {
borderWidth: 0.5,
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,
},
multilineChild: {
width: 50,
height: 40,
position: 'absolute',
right: 5,
backgroundColor: 'red',
},
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: '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: 'Keyboard types',
render: function() {
var keyboardTypes = [
'default',
'ascii-capable',
'numbers-and-punctuation',
'url',
'number-pad',
'phone-pad',
'name-phone-pad',
'email-address',
'decimal-pad',
'twitter',
'web-search',
'numeric',
];
var 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() {
var keyboardAppearance = [
'default',
'light',
'dark',
];
var 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() {
var returnKeyTypes = [
'default',
'go',
'google',
'join',
'next',
'route',
'search',
'send',
'yahoo',
'done',
'emergency-call',
];
var 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 (
<View>
<WithLabel label="true">
<TextInput secureTextEntry={true} style={styles.default} defaultValue="abc" />
</WithLabel>
</View>
);
}
},
{
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 () {
return (
<View>
<WithLabel label="never">
<TextInput
style={styles.default}
clearButtonMode="never"
/>
</WithLabel>
<WithLabel label="while editing">
<TextInput
style={styles.default}
clearButtonMode="while-editing"
/>
</WithLabel>
<WithLabel label="unless editing">
<TextInput
style={styles.default}
clearButtonMode="unless-editing"
/>
</WithLabel>
<WithLabel label="always">
<TextInput
style={styles.default}
clearButtonMode="always"
/>
</WithLabel>
</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>
</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(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"
/>
<TextInput
placeholder="multiline with children"
multiline={true}
enablesReturnKeyAutomatically={true}
returnKeyType="go"
style={styles.multiline}>
<View style={styles.multilineChild}/>
</TextInput>
</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>
);
}
},
{
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: '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>
);
}
},
];