585 lines
17 KiB
JavaScript
585 lines
17 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 TextExample
|
|
*/
|
|
'use strict';
|
|
|
|
const Platform = require('Platform');
|
|
var React = require('react');
|
|
var createReactClass = require('create-react-class');
|
|
var ReactNative = require('react-native');
|
|
var {
|
|
Image,
|
|
StyleSheet,
|
|
Text,
|
|
View,
|
|
LayoutAnimation,
|
|
} = ReactNative;
|
|
|
|
class Entity extends React.Component {
|
|
render() {
|
|
return (
|
|
<Text style={{fontWeight: '500', color: '#527fe4'}}>
|
|
{this.props.children}
|
|
</Text>
|
|
);
|
|
}
|
|
}
|
|
|
|
class AttributeToggler extends React.Component {
|
|
state = {fontWeight: 'bold', fontSize: 15};
|
|
|
|
toggleWeight = () => {
|
|
this.setState({
|
|
fontWeight: this.state.fontWeight === 'bold' ? 'normal' : 'bold'
|
|
});
|
|
};
|
|
|
|
increaseSize = () => {
|
|
this.setState({
|
|
fontSize: this.state.fontSize + 1
|
|
});
|
|
};
|
|
|
|
render() {
|
|
var curStyle = {fontWeight: this.state.fontWeight, fontSize: this.state.fontSize};
|
|
return (
|
|
<View>
|
|
<Text style={curStyle}>
|
|
Tap the controls below to change attributes.
|
|
</Text>
|
|
<Text>
|
|
<Text>See how it will even work on <Text style={curStyle}>this nested text</Text></Text>
|
|
</Text>
|
|
<Text
|
|
style={{backgroundColor: '#ffaaaa', marginTop: 5}}
|
|
onPress={this.toggleWeight}>
|
|
Toggle Weight
|
|
</Text>
|
|
<Text
|
|
style={{backgroundColor: '#aaaaff', marginTop: 5}}
|
|
onPress={this.increaseSize}>
|
|
Increase Size
|
|
</Text>
|
|
</View>
|
|
);
|
|
}
|
|
}
|
|
|
|
var AdjustingFontSize = createReactClass({
|
|
displayName: 'AdjustingFontSize',
|
|
getInitialState: function() {
|
|
return {dynamicText:'', shouldRender: true,};
|
|
},
|
|
reset: function() {
|
|
LayoutAnimation.easeInEaseOut();
|
|
this.setState({
|
|
shouldRender: false,
|
|
});
|
|
setTimeout(()=>{
|
|
LayoutAnimation.easeInEaseOut();
|
|
this.setState({
|
|
dynamicText: '',
|
|
shouldRender: true,
|
|
});
|
|
}, 300);
|
|
},
|
|
addText: function() {
|
|
this.setState({
|
|
dynamicText: this.state.dynamicText + (Math.floor((Math.random() * 10) % 2) ? ' foo' : ' bar'),
|
|
});
|
|
},
|
|
removeText: function() {
|
|
this.setState({
|
|
dynamicText: this.state.dynamicText.slice(0, this.state.dynamicText.length - 4),
|
|
});
|
|
},
|
|
render: function() {
|
|
|
|
if (!this.state.shouldRender) {
|
|
return (<View/>);
|
|
}
|
|
return (
|
|
<View>
|
|
<Text ellipsizeMode="tail" numberOfLines={1} style={{fontSize: 36, marginVertical: 6}}>
|
|
Truncated text is baaaaad.
|
|
</Text>
|
|
<Text numberOfLines={1} adjustsFontSizeToFit={true} style={{fontSize: 40, marginVertical:6}}>
|
|
Shrinking to fit available space is much better!
|
|
</Text>
|
|
|
|
<Text adjustsFontSizeToFit={true} numberOfLines={1} style={{fontSize:30, marginVertical:6}}>
|
|
{'Add text to me to watch me shrink!' + ' ' + this.state.dynamicText}
|
|
</Text>
|
|
|
|
<Text adjustsFontSizeToFit={true} numberOfLines={4} style={{fontSize:20, marginVertical:6}}>
|
|
{'Multiline text component shrinking is supported, watch as this reeeeaaaally loooooong teeeeeeext grooooows and then shriiiinks as you add text to me! ioahsdia soady auydoa aoisyd aosdy ' + ' ' + this.state.dynamicText}
|
|
</Text>
|
|
|
|
<Text adjustsFontSizeToFit={true} numberOfLines={1} style={{marginVertical:6}}>
|
|
<Text style={{fontSize:14}}>
|
|
{'Differently sized nested elements will shrink together. '}
|
|
</Text>
|
|
<Text style={{fontSize:20}}>
|
|
{'LARGE TEXT! ' + this.state.dynamicText}
|
|
</Text>
|
|
</Text>
|
|
|
|
<View style={{flexDirection:'row', justifyContent:'space-around', marginTop: 5, marginVertical:6}}>
|
|
<Text
|
|
style={{backgroundColor: '#ffaaaa'}}
|
|
onPress={this.reset}>
|
|
Reset
|
|
</Text>
|
|
<Text
|
|
style={{backgroundColor: '#aaaaff'}}
|
|
onPress={this.removeText}>
|
|
Remove Text
|
|
</Text>
|
|
<Text
|
|
style={{backgroundColor: '#aaffaa'}}
|
|
onPress={this.addText}>
|
|
Add Text
|
|
</Text>
|
|
</View>
|
|
</View>
|
|
);
|
|
}
|
|
});
|
|
|
|
exports.title = '<Text>';
|
|
exports.description = 'Base component for rendering styled text.';
|
|
exports.displayName = 'TextExample';
|
|
exports.examples = [
|
|
{
|
|
title: 'Wrap',
|
|
render: function() {
|
|
return (
|
|
<Text>
|
|
The text should wrap if it goes on multiple lines. See, this is going to
|
|
the next line.
|
|
</Text>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Padding',
|
|
render: function() {
|
|
return (
|
|
<Text style={{padding: 10}}>
|
|
This text is indented by 10px padding on all sides.
|
|
</Text>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Font Family',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text style={{fontFamily: (Platform.isTVOS ? 'Times' : 'Cochin')}}>
|
|
Cochin
|
|
</Text>
|
|
<Text style={{fontFamily: (Platform.isTVOS ? 'Times' : 'Cochin'), fontWeight: 'bold'}}>
|
|
Cochin bold
|
|
</Text>
|
|
<Text style={{fontFamily: 'Helvetica'}}>
|
|
Helvetica
|
|
</Text>
|
|
<Text style={{fontFamily: 'Helvetica', fontWeight: 'bold'}}>
|
|
Helvetica bold
|
|
</Text>
|
|
<Text style={{fontFamily: (Platform.isTVOS ? 'Courier' : 'Verdana')}}>
|
|
Verdana
|
|
</Text>
|
|
<Text style={{fontFamily: (Platform.isTVOS ? 'Courier' : 'Verdana'), fontWeight: 'bold'}}>
|
|
Verdana bold
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Font Size',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text style={{fontSize: 23}}>
|
|
Size 23
|
|
</Text>
|
|
<Text style={{fontSize: 8}}>
|
|
Size 8
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Color',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text style={{color: 'red'}}>
|
|
Red color
|
|
</Text>
|
|
<Text style={{color: 'blue'}}>
|
|
Blue color
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Font Weight',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text style={{fontSize: 20, fontWeight: '100'}}>
|
|
Move fast and be ultralight
|
|
</Text>
|
|
<Text style={{fontSize: 20, fontWeight: '200'}}>
|
|
Move fast and be light
|
|
</Text>
|
|
<Text style={{fontSize: 20, fontWeight: 'normal'}}>
|
|
Move fast and be normal
|
|
</Text>
|
|
<Text style={{fontSize: 20, fontWeight: 'bold'}}>
|
|
Move fast and be bold
|
|
</Text>
|
|
<Text style={{fontSize: 20, fontWeight: '900'}}>
|
|
Move fast and be ultrabold
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Font Style',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text style={{fontStyle: 'normal'}}>
|
|
Normal text
|
|
</Text>
|
|
<Text style={{fontStyle: 'italic'}}>
|
|
Italic text
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Selectable',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text selectable={true}>
|
|
This text is <Text style={{fontWeight: 'bold'}}>selectable</Text> if you click-and-hold.
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Text Decoration',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text style={{textDecorationLine: 'underline', textDecorationStyle: 'solid'}}>
|
|
Solid underline
|
|
</Text>
|
|
<Text style={{textDecorationLine: 'underline', textDecorationStyle: 'double', textDecorationColor: '#ff0000'}}>
|
|
Double underline with custom color
|
|
</Text>
|
|
<Text style={{textDecorationLine: 'underline', textDecorationStyle: 'dashed', textDecorationColor: '#9CDC40'}}>
|
|
Dashed underline with custom color
|
|
</Text>
|
|
<Text style={{textDecorationLine: 'underline', textDecorationStyle: 'dotted', textDecorationColor: 'blue'}}>
|
|
Dotted underline with custom color
|
|
</Text>
|
|
<Text style={{textDecorationLine: 'none'}}>
|
|
None textDecoration
|
|
</Text>
|
|
<Text style={{textDecorationLine: 'line-through', textDecorationStyle: 'solid'}}>
|
|
Solid line-through
|
|
</Text>
|
|
<Text style={{textDecorationLine: 'line-through', textDecorationStyle: 'double', textDecorationColor: '#ff0000'}}>
|
|
Double line-through with custom color
|
|
</Text>
|
|
<Text style={{textDecorationLine: 'line-through', textDecorationStyle: 'dashed', textDecorationColor: '#9CDC40'}}>
|
|
Dashed line-through with custom color
|
|
</Text>
|
|
<Text style={{textDecorationLine: 'line-through', textDecorationStyle: 'dotted', textDecorationColor: 'blue'}}>
|
|
Dotted line-through with custom color
|
|
</Text>
|
|
<Text style={{textDecorationLine: 'underline line-through'}}>
|
|
Both underline and line-through
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Nested',
|
|
description: 'Nested text components will inherit the styles of their ' +
|
|
'parents (only backgroundColor is inherited from non-Text parents). ' +
|
|
'<Text> only supports other <Text> and raw text (strings) as children.',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text>
|
|
(Normal text,
|
|
<Text style={{fontWeight: 'bold'}}>
|
|
(and bold
|
|
<Text style={{fontSize: 11, color: '#527fe4'}}>
|
|
(and tiny inherited bold blue)
|
|
</Text>
|
|
)
|
|
</Text>
|
|
)
|
|
</Text>
|
|
<Text style={{opacity:0.7}}>
|
|
(opacity
|
|
<Text>
|
|
(is inherited
|
|
<Text style={{opacity:0.7}}>
|
|
(and accumulated
|
|
<Text style={{backgroundColor:'#ffaaaa'}}>
|
|
(and also applies to the background)
|
|
</Text>
|
|
)
|
|
</Text>
|
|
)
|
|
</Text>
|
|
)
|
|
</Text>
|
|
<Text style={{fontSize: 12}}>
|
|
<Entity>Entity Name</Entity>
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Text Align',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text>
|
|
auto (default) - english LTR
|
|
</Text>
|
|
<Text>
|
|
أحب اللغة العربية auto (default) - arabic RTL
|
|
</Text>
|
|
<Text style={{textAlign: 'left'}}>
|
|
left left left left left left left left left left left left left left left
|
|
</Text>
|
|
<Text style={{textAlign: 'center'}}>
|
|
center center center center center center center center center center center
|
|
</Text>
|
|
<Text style={{textAlign: 'right'}}>
|
|
right right right right right right right right right right right right right
|
|
</Text>
|
|
<Text style={{textAlign: 'justify'}}>
|
|
justify: this text component{"'"}s contents are laid out with "textAlign: justify"
|
|
and as you can see all of the lines except the last one span the
|
|
available width of the parent container.
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Letter Spacing',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text style={{letterSpacing: 0}}>
|
|
letterSpacing = 0
|
|
</Text>
|
|
<Text style={{letterSpacing: 2, marginTop: 5}}>
|
|
letterSpacing = 2
|
|
</Text>
|
|
<Text style={{letterSpacing: 9, marginTop: 5}}>
|
|
letterSpacing = 9
|
|
</Text>
|
|
<Text style={{letterSpacing: -1, marginTop: 5}}>
|
|
letterSpacing = -1
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Spaces',
|
|
render: function() {
|
|
return (
|
|
<Text>
|
|
A {'generated'} {' '} {'string'} and some spaces
|
|
</Text>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Line Height',
|
|
render: function() {
|
|
return (
|
|
<Text>
|
|
<Text style={{lineHeight: 35}}>
|
|
A lot of space between the lines of this long passage that should
|
|
wrap once.
|
|
</Text>
|
|
</Text>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Empty Text',
|
|
description: 'It\'s ok to have Text with zero or null children.',
|
|
render: function() {
|
|
return (
|
|
<Text />
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Toggling Attributes',
|
|
render: function(): React.Element<any> {
|
|
return <AttributeToggler />;
|
|
},
|
|
}, {
|
|
title: 'backgroundColor attribute',
|
|
description: 'backgroundColor is inherited from all types of views.',
|
|
render: function() {
|
|
return (
|
|
<Text style={{backgroundColor: 'yellow'}}>
|
|
Yellow container background,
|
|
<Text style={{backgroundColor: '#ffaaaa'}}>
|
|
{' '}red background,
|
|
<Text style={{backgroundColor: '#aaaaff'}}>
|
|
{' '}blue background,
|
|
<Text>
|
|
{' '}inherited blue background,
|
|
<Text style={{backgroundColor: '#aaffaa'}}>
|
|
{' '}nested green background.
|
|
</Text>
|
|
</Text>
|
|
</Text>
|
|
</Text>
|
|
</Text>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'numberOfLines attribute',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text numberOfLines={1}>
|
|
Maximum of one line, no matter how much I write here. If I keep writing, it{"'"}ll just truncate after one line.
|
|
</Text>
|
|
<Text numberOfLines={2} style={{marginTop: 20}}>
|
|
Maximum of two lines, no matter how much I write here. If I keep writing, it{"'"}ll just truncate after two lines.
|
|
</Text>
|
|
<Text style={{marginTop: 20}}>
|
|
No maximum lines specified, no matter how much I write here. If I keep writing, it{"'"}ll just keep going and going.
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Text highlighting (tap the link to see highlight)',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text>Lorem ipsum dolor sit amet, <Text suppressHighlighting={false} style={{backgroundColor: 'white', textDecorationLine: 'underline', color: 'blue'}} onPress={() => null}>consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud</Text> exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'allowFontScaling attribute',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text>
|
|
By default, text will respect Text Size accessibility setting on iOS.
|
|
It means that all font sizes will be increased or descreased depending on the value of Text Size setting in
|
|
{" "}<Text style={{fontWeight: 'bold'}}>Settings.app - Display & Brightness - Text Size</Text>
|
|
</Text>
|
|
<Text style={{marginTop: 10}}>
|
|
You can disable scaling for your Text component by passing {"\""}allowFontScaling={"{"}false{"}\""} prop.
|
|
</Text>
|
|
<Text allowFontScaling={false} style={{marginTop: 20}}>
|
|
This text will not scale.
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Inline views',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text>
|
|
This text contains an inline blue view <View style={{width: 25, height: 25, backgroundColor: 'steelblue'}} /> and
|
|
an inline image <Image source={require('./flux.png')} style={{width: 30, height: 11, resizeMode: 'cover'}}/>. Neat, huh?
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Text shadow',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text style={{fontSize: 20, textShadowOffset: {width: 2, height: 2}, textShadowRadius: 1, textShadowColor: '#00cccc'}}>
|
|
Demo text shadow
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Ellipsize mode',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text numberOfLines={1}>
|
|
This very long text should be truncated with dots in the end.
|
|
</Text>
|
|
<Text ellipsizeMode="middle" numberOfLines={1}>
|
|
This very long text should be truncated with dots in the middle.
|
|
</Text>
|
|
<Text ellipsizeMode="head" numberOfLines={1}>
|
|
This very long text should be truncated with dots in the beginning.
|
|
</Text>
|
|
<Text ellipsizeMode="clip" numberOfLines={1}>
|
|
This very looooooooooooooooooooooooooooong text should be clipped.
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Font variants',
|
|
render: function() {
|
|
return (
|
|
<View>
|
|
<Text style={{fontVariant: ['small-caps']}}>
|
|
Small Caps{'\n'}
|
|
</Text>
|
|
<Text style={{fontFamily: (Platform.isTVOS ? 'Times' : 'Hoefler Text'), fontVariant: ['oldstyle-nums']}}>
|
|
Old Style nums 0123456789{'\n'}
|
|
</Text>
|
|
<Text style={{fontFamily: (Platform.isTVOS ? 'Times' : 'Hoefler Text'), fontVariant: ['lining-nums']}}>
|
|
Lining nums 0123456789{'\n'}
|
|
</Text>
|
|
<Text style={{fontVariant: ['tabular-nums']}}>
|
|
Tabular nums{'\n'}
|
|
1111{'\n'}
|
|
2222{'\n'}
|
|
</Text>
|
|
<Text style={{fontVariant: ['proportional-nums']}}>
|
|
Proportional nums{'\n'}
|
|
1111{'\n'}
|
|
2222{'\n'}
|
|
</Text>
|
|
</View>
|
|
);
|
|
},
|
|
}, {
|
|
title: 'Dynamic Font Size Adjustment',
|
|
render: function(): React.Element<any> {
|
|
return <AdjustingFontSize />;
|
|
},
|
|
}];
|