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/*
This file is part of GNU Taler
(C) 2021-2024 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 { useTranslationContext } from "@gnu-taler/web-util/browser";
import { h, VNode } from "preact";
import { useState } from "preact/hooks";
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 } = useTranslationContext();
return (
<div class="rdp-picker">
{days && (
<DurationColumn
unit={i18n.str`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.str`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.str`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.str`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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