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authorcrupest <crupest@outlook.com>2020-07-13 20:59:52 +0800
committercrupest <crupest@outlook.com>2020-07-13 20:59:52 +0800
commite69190abb09661caa19fa3905a0d8f3b7e72648b (patch)
tree8030e6a2539347ccb12f0a6bbd31a1f390c6a7b7 /Timeline/ClientApp/src/app/timeline/TimelinePostEdit.tsx
parent0a7c884be668267003d7666b444f1022c99a7148 (diff)
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Move front end to a submodule.
Diffstat (limited to 'Timeline/ClientApp/src/app/timeline/TimelinePostEdit.tsx')
-rw-r--r--Timeline/ClientApp/src/app/timeline/TimelinePostEdit.tsx234
1 files changed, 0 insertions, 234 deletions
diff --git a/Timeline/ClientApp/src/app/timeline/TimelinePostEdit.tsx b/Timeline/ClientApp/src/app/timeline/TimelinePostEdit.tsx
deleted file mode 100644
index 894d6ad4..00000000
--- a/Timeline/ClientApp/src/app/timeline/TimelinePostEdit.tsx
+++ /dev/null
@@ -1,234 +0,0 @@
-import React from 'react';
-import { Button, Spinner, Row, Col } from 'reactstrap';
-import { useTranslation } from 'react-i18next';
-import Svg from 'react-inlinesvg';
-
-import textIcon from 'bootstrap-icons/icons/card-text.svg';
-import imageIcon from 'bootstrap-icons/icons/image.svg';
-
-import { pushAlert } from '../common/alert-service';
-import { CreatePostRequest } from '../data/timeline';
-
-import FileInput from '../common/FileInput';
-import { UiLogicError } from '../common';
-
-interface TimelinePostEditImageProps {
- onSelect: (blob: Blob | null) => void;
-}
-
-const TimelinePostEditImage: React.FC<TimelinePostEditImageProps> = (props) => {
- const { onSelect } = props;
- const { t } = useTranslation();
-
- const [file, setFile] = React.useState<File | null>(null);
- const [fileUrl, setFileUrl] = React.useState<string | null>(null);
- const [error, setError] = React.useState<string | null>(null);
-
- React.useEffect(() => {
- if (file != null) {
- const url = URL.createObjectURL(file);
- setFileUrl(url);
- return () => {
- URL.revokeObjectURL(url);
- };
- }
- }, [file]);
-
- const onInputChange: React.ChangeEventHandler<HTMLInputElement> = React.useCallback(
- (e) => {
- const files = e.target.files;
- if (files == null || files.length === 0) {
- setFile(null);
- setFileUrl(null);
- } else {
- setFile(files[0]);
- }
- onSelect(null);
- setError(null);
- },
- [onSelect]
- );
-
- const onImgLoad = React.useCallback(() => {
- onSelect(file);
- }, [onSelect, file]);
-
- const onImgError = React.useCallback(() => {
- setError('loadImageError');
- }, []);
-
- return (
- <>
- <FileInput
- labelText={t('chooseImage')}
- onChange={onInputChange}
- accept="image/*"
- className="mx-3 my-1"
- />
- {fileUrl && error == null && (
- <img
- src={fileUrl}
- className="timeline-post-edit-image"
- onLoad={onImgLoad}
- onError={onImgError}
- />
- )}
- {error != null && <div className="text-danger">{t(error)}</div>}
- </>
- );
-};
-
-export type TimelinePostSendCallback = (
- content: CreatePostRequest
-) => Promise<void>;
-
-export interface TimelinePostEditProps {
- className?: string;
- onPost: TimelinePostSendCallback;
- onHeightChange?: (height: number) => void;
- timelineUniqueId: string;
-}
-
-const TimelinePostEdit: React.FC<TimelinePostEditProps> = (props) => {
- const { onPost } = props;
-
- const { t } = useTranslation();
-
- const [state, setState] = React.useState<'input' | 'process'>('input');
- const [kind, setKind] = React.useState<'text' | 'image'>('text');
- const [text, setText] = React.useState<string>('');
- const [imageBlob, setImageBlob] = React.useState<Blob | null>(null);
-
- const draftLocalStorageKey = `timeline.${props.timelineUniqueId}.postDraft`;
-
- React.useEffect(() => {
- setText(window.localStorage.getItem(draftLocalStorageKey) ?? '');
- }, [draftLocalStorageKey]);
-
- const canSend = kind === 'text' || (kind === 'image' && imageBlob != null);
-
- // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
- const containerRef = React.useRef<HTMLDivElement>(null!);
-
- const notifyHeightChange = (): void => {
- if (props.onHeightChange) {
- props.onHeightChange(containerRef.current.clientHeight);
- }
- };
-
- React.useEffect(() => {
- if (props.onHeightChange) {
- props.onHeightChange(containerRef.current.clientHeight);
- }
- return () => {
- if (props.onHeightChange) {
- props.onHeightChange(0);
- }
- };
- });
-
- const toggleKind = React.useCallback(() => {
- setKind((oldKind) => (oldKind === 'text' ? 'image' : 'text'));
- setImageBlob(null);
- }, []);
-
- const onSend = React.useCallback(() => {
- setState('process');
-
- const req: CreatePostRequest = (() => {
- switch (kind) {
- case 'text':
- return {
- content: {
- type: 'text',
- text: text,
- },
- } as CreatePostRequest;
- case 'image':
- if (imageBlob == null) {
- throw new UiLogicError(
- 'Content type is image but image blob is null.'
- );
- }
- return {
- content: {
- type: 'image',
- data: imageBlob,
- },
- } as CreatePostRequest;
- default:
- throw new UiLogicError('Unknown content type.');
- }
- })();
-
- onPost(req).then(
- (_) => {
- if (kind === 'text') {
- setText('');
- window.localStorage.removeItem(draftLocalStorageKey);
- }
- setState('input');
- setKind('text');
- },
- (_) => {
- pushAlert({
- type: 'danger',
- message: t('timeline.sendPostFailed'),
- });
- setState('input');
- }
- );
- }, [onPost, kind, text, imageBlob, t, draftLocalStorageKey]);
-
- const onImageSelect = React.useCallback((blob: Blob | null) => {
- setImageBlob(blob);
- }, []);
-
- return (
- <div ref={containerRef} className="container-fluid fixed-bottom bg-light">
- <Row>
- <Col className="px-1 py-1">
- {kind === 'text' ? (
- <textarea
- className="w-100 h-100 timeline-post-edit"
- value={text}
- disabled={state === 'process'}
- onChange={(event: React.ChangeEvent<HTMLTextAreaElement>) => {
- const value = event.currentTarget.value;
- setText(value);
- window.localStorage.setItem(draftLocalStorageKey, value);
- }}
- />
- ) : (
- <TimelinePostEditImage onSelect={onImageSelect} />
- )}
- </Col>
- <Col sm="col-auto align-self-end m-1">
- {(() => {
- if (state === 'input') {
- return (
- <>
- <div className="d-block text-center mt-1 mb-2">
- <Svg
- onLoad={notifyHeightChange}
- src={kind === 'text' ? imageIcon : textIcon}
- className="icon-button"
- onClick={toggleKind}
- />
- </div>
- <Button color="primary" onClick={onSend} disabled={!canSend}>
- {t('timeline.send')}
- </Button>
- </>
- );
- } else {
- return <Spinner />;
- }
- })()}
- </Col>
- </Row>
- </div>
- );
-};
-
-export default TimelinePostEdit;