1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
// @flow
// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
import React, {Component} from 'react';
import Typography from 'material-ui/Typography';
import {styles} from '../common';
// multiplier multiplies a number by another.
export const multiplier = <T>(by: number = 1) => (x: number) => x * by;
// percentPlotter renders a tooltip, which displays the value of the payload followed by a percent sign.
export const percentPlotter = <T>(text: string, mapper: (T => T) = multiplier(1)) => (payload: T) => {
const p = mapper(payload);
if (typeof p !== 'number') {
return null;
}
return (
<Typography type='caption' color='inherit'>
<span style={styles.light}>{text}</span> {p.toFixed(2)} %
</Typography>
);
};
// unit contains the units for the bytePlotter.
const unit = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
// simplifyBytes returns the simplified version of the given value followed by the unit.
const simplifyBytes = (x: number) => {
let i = 0;
for (; x > 1024 && i < 5; i++) {
x /= 1024;
}
return x.toFixed(2).toString().concat(' ', unit[i]);
};
// bytePlotter renders a tooltip, which displays the payload as a byte value.
export const bytePlotter = <T>(text: string, mapper: (T => T) = multiplier(1)) => (payload: T) => {
const p = mapper(payload);
if (typeof p !== 'number') {
return null;
}
return (
<Typography type='caption' color='inherit'>
<span style={styles.light}>{text}</span> {simplifyBytes(p)}
</Typography>
);
};
// bytePlotter renders a tooltip, which displays the payload as a byte value followed by '/s'.
export const bytePerSecPlotter = <T>(text: string, mapper: (T => T) = multiplier(1)) => (payload: T) => {
const p = mapper(payload);
if (typeof p !== 'number') {
return null;
}
return (
<Typography type='caption' color='inherit'>
<span style={styles.light}>{text}</span> {simplifyBytes(p)}/s
</Typography>
);
};
export type Props = {
active: boolean,
payload: Object,
tooltip: <T>(text: string, mapper?: T => T) => (payload: mixed) => null | React$Element<any>,
};
// CustomTooltip takes a tooltip function, and uses it to plot the active value of the chart.
class CustomTooltip extends Component<Props> {
render() {
const {active, payload, tooltip} = this.props;
if (!active || typeof tooltip !== 'function') {
return null;
}
return tooltip(payload[0].value);
}
}
export default CustomTooltip;
|
