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/*
This file is part of GNU Taler
(C) 2021 Taler Systems S.A.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
*
* @author Sebastian Javier Marchano (sebasjm)
*/
import { h, VNode } from "preact";
import { useState } from "preact/hooks";
import { useTranslator } from "../../i18n";
import "../../scss/DurationPicker.scss";
export interface Props {
hours?: boolean;
minutes?: boolean;
seconds?: boolean;
days?: boolean;
onChange: (value: number) => void;
value: number
}
// inspiration taken from https://github.com/flurmbo/react-duration-picker
export function DurationPicker({ days, hours, minutes, seconds, onChange, value }: Props): VNode {
const ss = 1000
const ms = ss * 60
const hs = ms * 60
const ds = hs * 24
const i18n = useTranslator()
return <div class="rdp-picker">
{days && <DurationColumn unit={i18n`days`} max={99}
value={Math.floor(value / ds)}
onDecrease={value >= ds ? () => onChange(value - ds) : undefined}
onIncrease={value < 99 * ds ? () => onChange(value + ds) : undefined}
onChange={diff => onChange(value + diff * ds)}
/>}
{hours && <DurationColumn unit={i18n`hours`} max={23} min={1}
value={Math.floor(value / hs) % 24}
onDecrease={value >= hs ? () => onChange(value - hs) : undefined}
onIncrease={value < 99 * ds ? () => onChange(value + hs) : undefined}
onChange={diff => onChange(value + diff * hs)}
/>}
{minutes && <DurationColumn unit={i18n`minutes`} max={59} min={1}
value={Math.floor(value / ms) % 60}
onDecrease={value >= ms ? () => onChange(value - ms) : undefined}
onIncrease={value < 99 * ds ? () => onChange(value + ms) : undefined}
onChange={diff => onChange(value + diff * ms)}
/>}
{seconds && <DurationColumn unit={i18n`seconds`} max={59}
value={Math.floor(value / ss) % 60}
onDecrease={value >= ss ? () => onChange(value - ss) : undefined}
onIncrease={value < 99 * ds ? () => onChange(value + ss) : undefined}
onChange={diff => onChange(value + diff * ss)}
/>}
</div>
}
interface ColProps {
unit: string,
min?: number,
max: number,
value: number,
onIncrease?: () => void;
onDecrease?: () => void;
onChange?: (diff: number) => void;
}
function InputNumber({ initial, onChange }: { initial: number, onChange: (n: number) => void }) {
const [value, handler] = useState<{v:string}>({
v: toTwoDigitString(initial)
})
return <input
value={value.v}
onBlur={(e) => onChange(parseInt(value.v, 10))}
onInput={(e) => {
e.preventDefault()
const n = Number.parseInt(e.currentTarget.value, 10);
if (isNaN(n)) return handler({v:toTwoDigitString(initial)})
return handler({v:toTwoDigitString(n)})
}}
style={{ width: 50, border: 'none', fontSize: 'inherit', background: 'inherit' }} />
}
function DurationColumn({ unit, min = 0, max, value, onIncrease, onDecrease, onChange }: ColProps): VNode {
const cellHeight = 35
return (
<div class="rdp-column-container">
<div class="rdp-masked-div">
<hr class="rdp-reticule" style={{ top: cellHeight * 2 - 1 }} />
<hr class="rdp-reticule" style={{ top: cellHeight * 3 - 1 }} />
<div class="rdp-column" style={{ top: 0 }}>
<div class="rdp-cell" key={value - 2}>
{onDecrease && <button style={{ width: '100%', textAlign: 'center', margin: 5 }}
onClick={onDecrease}>
<span class="icon">
<i class="mdi mdi-chevron-up" />
</span>
</button>}
</div>
<div class="rdp-cell" key={value - 1}>
{value > min ? toTwoDigitString(value - 1) : ''}
</div>
<div class="rdp-cell rdp-center" key={value}>
{onChange ?
<InputNumber initial={value} onChange={(n) => onChange(n - value)} /> :
toTwoDigitString(value)
}
<div>{unit}</div>
</div>
<div class="rdp-cell" key={value + 1}>
{value < max ? toTwoDigitString(value + 1) : ''}
</div>
<div class="rdp-cell" key={value + 2}>
{onIncrease && <button style={{ width: '100%', textAlign: 'center', margin: 5 }}
onClick={onIncrease}>
<span class="icon">
<i class="mdi mdi-chevron-down" />
</span>
</button>}
</div>
</div>
</div>
</div>
);
}
function toTwoDigitString(n: number) {
if (n < 10) {
return `0${n}`;
}
return `${n}`;
}
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