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
|
/*
This file is part of GNU Anastasis
(C) 2021-2022 Anastasis SARL
GNU Anastasis is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Anastasis 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with
GNU Anastasis; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
*
* @author Sebastian Javier Marchano (sebasjm)
*/
import { h, VNode } from "preact";
import { useLayoutEffect, useRef, useState } from "preact/hooks";
import emptyImage from "../../assets/empty.png";
import { TextInputProps } from "./TextInput.js";
const MAX_IMAGE_UPLOAD_SIZE = 1024 * 1024;
export function ImageInput(props: TextInputProps): VNode {
const inputRef = useRef<HTMLInputElement>(null);
useLayoutEffect(() => {
if (props.grabFocus) {
inputRef.current?.focus();
}
}, [props.grabFocus]);
const value = props.bind[0];
// const [dirty, setDirty] = useState(false)
const image = useRef<HTMLInputElement>(null);
const [sizeError, setSizeError] = useState(false);
function onChange(v: string): void {
// setDirty(true);
props.bind[1](v);
}
return (
<div class="field">
<label class="label">
{props.label}
{props.tooltip && (
<span class="icon has-tooltip-right" data-tooltip={props.tooltip}>
<i class="mdi mdi-information" />
</span>
)}
</label>
<div class="control">
<img
src={!value ? emptyImage : value}
style={{ width: 200, height: 200 }}
onClick={() => image.current?.click()}
/>
<input
ref={image}
style={{ display: "none" }}
type="file"
name={String(name)}
onChange={(e) => {
const f: FileList | null = e.currentTarget.files;
if (!f || f.length != 1) {
return onChange(emptyImage);
}
if (f[0].size > MAX_IMAGE_UPLOAD_SIZE) {
setSizeError(true);
return onChange(emptyImage);
}
setSizeError(false);
return f[0].arrayBuffer().then((b) => {
const b64 = btoa(
new Uint8Array(b).reduce(
(data, byte) => data + String.fromCharCode(byte),
"",
),
);
return onChange(`data:${f[0].type};base64,${b64}` as any);
});
}}
/>
{props.error && <p class="help is-danger">{props.error}</p>}
{sizeError && (
<p class="help is-danger">Image should be smaller than 1 MB</p>
)}
</div>
</div>
);
}
|
