react-native/Examples/UIExplorer/TextInputExample.android.js

574 lines
14 KiB
JavaScript

/**
* The examples provided by Facebook are for non-commercial testing and
* evaluation purposes only.
*
* Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* @flow
*/
'use strict';
var React = require('react');
var ReactNative = require('react-native');
var {
Text,
TextInput,
View,
StyleSheet,
} = ReactNative;
var TextEventsExample = React.createClass({
getInitialState: function() {
return {
curText: '<No Event>',
prevText: '<No Event>',
prev2Text: '<No Event>',
};
},
updateText: function(text) {
this.setState((state) => {
return {
curText: text,
prevText: state.curText,
prev2Text: state.prevText,
};
});
},
render: function() {
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
)}
style={styles.singleLine}
/>
<Text style={styles.eventLabel}>
{this.state.curText}{'\n'}
(prev: {this.state.prevText}){'\n'}
(prev2: {this.state.prev2Text})
</Text>
</View>
);
}
});
class AutoExpandingTextInput extends React.Component {
constructor(props) {
super(props);
this.state = {text: '', height: 0};
}
render() {
return (
<TextInput
{...this.props}
multiline={true}
onChange={(event) => {
this.setState({
text: event.nativeEvent.text,
height: event.nativeEvent.contentSize.height,
});
}}
style={[styles.default, {height: Math.max(35, this.state.height)}]}
value={this.state.text}
/>
);
}
}
class RewriteExample extends React.Component {
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 TokenizedTextExample extends React.Component {
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>
);
}
}
var BlurOnSubmitExample = React.createClass({
focusNextField(nextField) {
this.refs[nextField].focus();
},
render: function() {
return (
<View>
<TextInput
ref="1"
style={styles.singleLine}
placeholder="blurOnSubmit = false"
returnKeyType="next"
blurOnSubmit={false}
onSubmitEditing={() => this.focusNextField('2')}
/>
<TextInput
ref="2"
style={styles.singleLine}
keyboardType="email-address"
placeholder="blurOnSubmit = false"
returnKeyType="next"
blurOnSubmit={false}
onSubmitEditing={() => this.focusNextField('3')}
/>
<TextInput
ref="3"
style={styles.singleLine}
keyboardType="url"
placeholder="blurOnSubmit = false"
returnKeyType="next"
blurOnSubmit={false}
onSubmitEditing={() => this.focusNextField('4')}
/>
<TextInput
ref="4"
style={styles.singleLine}
keyboardType="numeric"
placeholder="blurOnSubmit = false"
blurOnSubmit={false}
onSubmitEditing={() => this.focusNextField('5')}
/>
<TextInput
ref="5"
style={styles.singleLine}
keyboardType="numbers-and-punctuation"
placeholder="blurOnSubmit = true"
returnKeyType="done"
/>
</View>
);
}
});
var styles = StyleSheet.create({
multiline: {
height: 60,
fontSize: 16,
padding: 4,
marginBottom: 10,
},
eventLabel: {
margin: 3,
fontSize: 12,
},
singleLine: {
fontSize: 16,
padding: 4,
},
singleLineWithHeightTextInput: {
height: 30,
},
hashtag: {
color: 'blue',
fontWeight: 'bold',
},
});
exports.title = '<TextInput>';
exports.description = 'Single and multi-line text inputs.';
exports.examples = [
{
title: 'Auto-focus',
render: function() {
return (
<TextInput
autoFocus={true}
style={styles.singleLine}
accessibilityLabel="I am the accessibility label for text input"
/>
);
}
},
{
title: "Live Re-Write (<sp> -> '_')",
render: function() {
return <RewriteExample />;
}
},
{
title: 'Auto-capitalize',
render: function() {
var autoCapitalizeTypes = [
'none',
'sentences',
'words',
'characters',
];
var examples = autoCapitalizeTypes.map((type) => {
return (
<TextInput
key={type}
autoCapitalize={type}
placeholder={'autoCapitalize: ' + type}
style={styles.singleLine}
/>
);
});
return <View>{examples}</View>;
}
},
{
title: 'Auto-correct',
render: function() {
return (
<View>
<TextInput
autoCorrect={true}
placeholder="This has autoCorrect"
style={styles.singleLine}
/>
<TextInput
autoCorrect={false}
placeholder="This does not have autoCorrect"
style={styles.singleLine}
/>
</View>
);
}
},
{
title: 'Keyboard types',
render: function() {
var keyboardTypes = [
'default',
'email-address',
'numeric',
'phone-pad',
];
var examples = keyboardTypes.map((type) => {
return (
<TextInput
key={type}
keyboardType={type}
placeholder={'keyboardType: ' + type}
style={styles.singleLine}
/>
);
});
return <View>{examples}</View>;
}
},
{
title: 'Blur on submit',
render: function(): ReactElement { return <BlurOnSubmitExample />; },
},
{
title: 'Event handling',
render: function(): ReactElement { return <TextEventsExample />; },
},
{
title: 'Colors and text inputs',
render: function() {
return (
<View>
<TextInput
style={[styles.singleLine]}
defaultValue="Default color text"
/>
<TextInput
style={[styles.singleLine, {color: 'green'}]}
defaultValue="Green Text"
/>
<TextInput
placeholder="Default placeholder text color"
style={styles.singleLine}
/>
<TextInput
placeholder="Red placeholder text color"
placeholderTextColor="red"
style={styles.singleLine}
/>
<TextInput
placeholder="Default underline color"
style={styles.singleLine}
/>
<TextInput
placeholder="Blue underline color"
style={styles.singleLine}
underlineColorAndroid="blue"
/>
<TextInput
defaultValue="Same BackgroundColor as View "
style={[styles.singleLine, {backgroundColor: 'rgba(100, 100, 100, 0.3)'}]}>
<Text style={{backgroundColor: 'rgba(100, 100, 100, 0.3)'}}>
Darker backgroundColor
</Text>
</TextInput>
<TextInput
defaultValue="Highlight Color is red"
selectionColor={'red'}
style={styles.singleLine}>
</TextInput>
</View>
);
}
},
{
title: 'Text input, themes and heights',
render: function() {
return (
<TextInput
placeholder="If you set height, beware of padding set from themes"
style={[styles.singleLineWithHeightTextInput]}
/>
);
}
},
{
title: 'fontFamily, fontWeight and fontStyle',
render: function() {
return (
<View>
<TextInput
style={[styles.singleLine, {fontFamily: 'sans-serif'}]}
placeholder="Custom fonts like Sans-Serif are supported"
/>
<TextInput
style={[styles.singleLine, {fontFamily: 'sans-serif', fontWeight: 'bold'}]}
placeholder="Sans-Serif bold"
/>
<TextInput
style={[styles.singleLine, {fontFamily: 'sans-serif', fontStyle: 'italic'}]}
placeholder="Sans-Serif italic"
/>
<TextInput
style={[styles.singleLine, {fontFamily: 'serif'}]}
placeholder="Serif"
/>
</View>
);
}
},
{
title: 'Passwords',
render: function() {
return (
<View>
<TextInput
defaultValue="iloveturtles"
secureTextEntry={true}
style={styles.singleLine}
/>
<TextInput
secureTextEntry={true}
style={[styles.singleLine, {color: 'red'}]}
placeholder="color is supported too"
placeholderTextColor="red"
/>
</View>
);
}
},
{
title: 'Editable',
render: function() {
return (
<TextInput
defaultValue="Can't touch this! (>'-')> ^(' - ')^ <('-'<) (>'-')> ^(' - ')^"
editable={false}
style={styles.singleLine}
/>
);
}
},
{
title: 'Multiline',
render: function() {
return (
<View>
<TextInput
autoCorrect={true}
placeholder="multiline, aligned top-left"
placeholderTextColor="red"
multiline={true}
style={[styles.multiline, {textAlign: "left", textAlignVertical: "top"}]}
/>
<TextInput
autoCorrect={true}
placeholder="multiline, aligned center"
placeholderTextColor="green"
multiline={true}
style={[styles.multiline, {textAlign: "center", textAlignVertical: "center"}]}
/>
<TextInput
autoCorrect={true}
multiline={true}
style={[styles.multiline, {color: 'blue'}, {textAlign: "right", textAlignVertical: "bottom"}]}>
<Text style={styles.multiline}>multiline with children, aligned bottom-right</Text>
</TextInput>
</View>
);
}
},
{
title: 'Fixed number of lines',
platform: 'android',
render: function() {
return (
<View>
<TextInput numberOfLines={2}
multiline={true}
placeholder="Two line input"
/>
<TextInput numberOfLines={5}
multiline={true}
placeholder="Five line input"
/>
</View>
);
}
},
{
title: 'Auto-expanding',
render: function() {
return (
<View>
<AutoExpandingTextInput
placeholder="height increases with content"
enablesReturnKeyAutomatically={true}
returnKeyType="done"
/>
</View>
);
}
},
{
title: 'Attributed text',
render: function() {
return <TokenizedTextExample />;
}
},
{
title: 'Return key',
render: function() {
var returnKeyTypes = [
'none',
'go',
'search',
'send',
'done',
'previous',
'next',
];
var returnKeyLabels = [
'Compile',
'React Native',
];
var examples = returnKeyTypes.map((type) => {
return (
<TextInput
key={type}
returnKeyType={type}
placeholder={'returnKeyType: ' + type}
style={styles.singleLine}
/>
);
});
var types = returnKeyLabels.map((type) => {
return (
<TextInput
key={type}
returnKeyLabel={type}
placeholder={'returnKeyLabel: ' + type}
style={styles.singleLine}
/>
);
});
return <View>{examples}{types}</View>;
}
},
];