react-native/Libraries/Inspector/ElementBox.js

72 lines
1.9 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
'use strict';
var React = require('React');
var View = require('View');
var StyleSheet = require('StyleSheet');
var BorderBox = require('BorderBox');
var resolveBoxStyle = require('resolveBoxStyle');
var flattenStyle = require('flattenStyle');
class ElementBox extends React.Component<$FlowFixMeProps> {
render() {
var style = flattenStyle(this.props.style) || {};
var margin = resolveBoxStyle('margin', style);
var padding = resolveBoxStyle('padding', style);
var frameStyle = this.props.frame;
if (margin) {
frameStyle = {
top: frameStyle.top - margin.top,
left: frameStyle.left - margin.left,
height: frameStyle.height + margin.top + margin.bottom,
width: frameStyle.width + margin.left + margin.right,
};
}
var contentStyle = {
width: this.props.frame.width,
height: this.props.frame.height,
};
if (padding) {
contentStyle = {
width: contentStyle.width - padding.left - padding.right,
height: contentStyle.height - padding.top - padding.bottom,
};
}
return (
<View style={[styles.frame, frameStyle]} pointerEvents="none">
<BorderBox box={margin} style={styles.margin}>
<BorderBox box={padding} style={styles.padding}>
<View style={[styles.content, contentStyle]} />
</BorderBox>
</BorderBox>
</View>
);
}
}
var styles = StyleSheet.create({
frame: {
position: 'absolute',
},
content: {
backgroundColor: 'rgba(200, 230, 255, 0.8)',
},
padding: {
borderColor: 'rgba(77, 255, 0, 0.3)',
},
margin: {
borderColor: 'rgba(255, 132, 0, 0.3)',
},
});
module.exports = ElementBox;