react-native-paper
Version:
Material design for React Native
232 lines (209 loc) • 7.2 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var React = _interopRequireWildcard(require("react"));
var _reactNative = require("react-native");
var _Surface = _interopRequireDefault(require("./Surface"));
var _Text = _interopRequireDefault(require("./Typography/Text"));
var _Button = _interopRequireDefault(require("./Button"));
var _Icon = _interopRequireDefault(require("./Icon"));
var _theming = require("../core/theming");
var _shadow = _interopRequireDefault(require("../styles/shadow"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
const ELEVATION = 1;
const DEFAULT_MAX_WIDTH = 960;
/**
* Banner displays a prominent message and related actions.
*
* <div class="screenshots">
* <img class="medium" src="screenshots/banner.gif" />
* </div>
*
* ## Usage
* ```js
* import * as React from 'react';
* import { Image } from 'react-native';
* import { Banner } from 'react-native-paper';
*
* const MyComponent = () => {
* const [visible, setVisible] = React.useState(true);
*
* return (
* <Banner
* visible={visible}
* actions={[
* {
* label: 'Fix it',
* onPress: () => setVisible(false),
* },
* {
* label: 'Learn more',
* onPress: () => setVisible(false),
* },
* ]}
* icon={({size}) => (
* <Image
* source={{
* uri: 'https://avatars3.githubusercontent.com/u/17571969?s=400&v=4',
* }}
* style={{
* width: size,
* height: size,
* }}
* />
* )}>
* There was a problem processing a transaction on your credit card.
* </Banner>
* );
* };
*
* export default MyComponent;
* ```
*/
const Banner = ({
visible,
icon,
children,
actions,
contentStyle,
style,
theme,
...rest
}) => {
const {
current: position
} = React.useRef(new _reactNative.Animated.Value(visible ? 1 : 0));
const [layout, setLayout] = React.useState({
height: 0,
measured: false
});
const {
scale
} = theme.animation;
React.useEffect(() => {
if (visible) {
// show
_reactNative.Animated.timing(position, {
duration: 250 * scale,
toValue: 1,
useNativeDriver: false
}).start();
} else {
// hide
_reactNative.Animated.timing(position, {
duration: 200 * scale,
toValue: 0,
useNativeDriver: false
}).start();
}
}, [visible, position, scale]);
const handleLayout = ({
nativeEvent
}) => {
const {
height
} = nativeEvent.layout;
setLayout({
height,
measured: true
});
}; // The banner animation has 2 parts:
// 1. Blank spacer element which animates its height to move the content
// 2. Actual banner which animates its translateY
// In initial render, we position everything normally and measure the height of the banner
// Once we have the height, we apply the height to the spacer and switch the banner to position: absolute
// We need this because we need to move the content below as if banner's height was being animated
// However we can't animated banner's height directly as it'll also resize the content inside
const height = _reactNative.Animated.multiply(position, layout.height);
const translateY = _reactNative.Animated.multiply(_reactNative.Animated.add(position, -1), layout.height);
return /*#__PURE__*/React.createElement(_Surface.default, _extends({}, rest, {
style: [styles.container, (0, _shadow.default)(ELEVATION), style]
}), /*#__PURE__*/React.createElement(_reactNative.View, {
style: [styles.wrapper, contentStyle]
}, /*#__PURE__*/React.createElement(_reactNative.Animated.View, {
style: {
height
}
}), /*#__PURE__*/React.createElement(_reactNative.Animated.View, {
onLayout: handleLayout,
style: [layout.measured || !visible ? // If we have measured banner's height or it's invisible,
// Position it absolutely, the layout will be taken care of the spacer
[styles.absolute, {
transform: [{
translateY
}]
}] : // Otherwise position it normally
null, !layout.measured && !visible ? // If we haven't measured banner's height yet and it's invisible,
// hide it with opacity: 0 so user doesn't see it
{
opacity: 0
} : null]
}, /*#__PURE__*/React.createElement(_reactNative.View, {
style: styles.content
}, icon ? /*#__PURE__*/React.createElement(_reactNative.View, {
style: styles.icon
}, /*#__PURE__*/React.createElement(_Icon.default, {
source: icon,
size: 40
})) : null, /*#__PURE__*/React.createElement(_Text.default, {
style: styles.message
}, children)), /*#__PURE__*/React.createElement(_reactNative.View, {
style: styles.actions
}, actions.map(({
label,
...others
}, i) => /*#__PURE__*/React.createElement(_Button.default, _extends({
key:
/* eslint-disable-line react/no-array-index-key */
i,
compact: true,
mode: "text",
style: styles.button
}, others), label))))));
};
const styles = _reactNative.StyleSheet.create({
container: {
elevation: ELEVATION
},
wrapper: {
overflow: 'hidden',
alignSelf: 'center',
width: '100%',
maxWidth: DEFAULT_MAX_WIDTH
},
absolute: {
position: 'absolute',
top: 0,
width: '100%'
},
content: {
flexDirection: 'row',
justifyContent: 'flex-start',
marginHorizontal: 8,
marginTop: 16,
marginBottom: 0
},
icon: {
margin: 8
},
message: {
flex: 1,
margin: 8
},
actions: {
flexDirection: 'row',
justifyContent: 'flex-end',
margin: 4
},
button: {
margin: 4
}
});
var _default = (0, _theming.withTheme)(Banner);
exports.default = _default;
//# sourceMappingURL=Banner.js.map