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|
import React from "react";
import classnames from "classnames";
import { Form, Spinner } from "react-bootstrap";
import { useTranslation } from "react-i18next";
import { Prompt } from "react-router";
import { getHttpTimelineClient, HttpTimelinePostInfo } from "@/http/timeline";
import FlatButton from "../common/FlatButton";
import TabPages from "../common/TabPages";
import TimelinePostBuilder from "@/services/TimelinePostBuilder";
import ConfirmDialog from "../common/ConfirmDialog";
export interface MarkdownPostEditProps {
timeline: string;
onPosted: (post: HttpTimelinePostInfo) => void;
onPostError: () => void;
onClose: () => void;
className?: string;
style?: React.CSSProperties;
}
const MarkdownPostEdit: React.FC<MarkdownPostEditProps> = ({
timeline: timelineName,
onPosted,
onClose,
onPostError,
className,
style,
}) => {
const { t } = useTranslation();
const [canLeave, setCanLeave] = React.useState<boolean>(true);
const [process, setProcess] = React.useState<boolean>(false);
const [
showLeaveConfirmDialog,
setShowLeaveConfirmDialog,
] = React.useState<boolean>(false);
const [text, _setText] = React.useState<string>("");
const [images, _setImages] = React.useState<{ file: File; url: string }[]>(
[]
);
const [previewHtml, _setPreviewHtml] = React.useState<string>("");
const _builder = React.useRef<TimelinePostBuilder | null>(null);
const getBuilder = (): TimelinePostBuilder => {
if (_builder.current == null) {
const builder = new TimelinePostBuilder(() => {
setCanLeave(builder.isEmpty);
_setText(builder.text);
_setImages(builder.images);
_setPreviewHtml(builder.renderHtml());
});
_builder.current = builder;
}
return _builder.current;
};
const canSend = text.length > 0;
React.useEffect(() => {
return () => {
getBuilder().dispose();
};
}, []);
React.useEffect(() => {
window.onbeforeunload = () => {
if (!canLeave) {
return t("timeline.confirmLeave");
}
};
return () => {
window.onbeforeunload = null;
};
}, [canLeave, t]);
const send = async (): Promise<void> => {
setProcess(true);
try {
const dataList = await getBuilder().build();
const post = await getHttpTimelineClient().postPost(timelineName, {
dataList,
});
onPosted(post);
onClose();
} catch (e) {
setProcess(false);
onPostError();
}
};
return (
<>
<Prompt when={!canLeave} message={t("timeline.confirmLeave")} />
<TabPages
className={className}
style={style}
pageContainerClassName="py-2"
actions={
process ? (
<Spinner variant="primary" animation="border" size="sm" />
) : (
<>
<FlatButton
className="mr-2"
variant="danger"
onClick={() => {
if (canLeave) {
onClose();
} else {
setShowLeaveConfirmDialog(true);
}
}}
>
{t("operationDialog.cancel")}
</FlatButton>
<FlatButton onClick={send} disabled={!canSend}>
{t("timeline.send")}
</FlatButton>
</>
)
}
pages={[
{
id: "text",
tabText: "edit",
page: (
<Form.Control
as="textarea"
value={text}
disabled={process}
onChange={(event) => {
getBuilder().setMarkdownText(event.currentTarget.value);
}}
/>
),
},
{
id: "images",
tabText: "image",
page: (
<div className="timeline-markdown-post-edit-page">
{images.map((image, index) => (
<div
key={image.url}
className="timeline-markdown-post-edit-image-container"
>
<img
src={image.url}
className="timeline-markdown-post-edit-image"
/>
<i
className={classnames(
"bi-trash text-danger icon-button timeline-markdown-post-edit-image-delete-button",
process && "d-none"
)}
onClick={() => {
getBuilder().deleteImage(index);
}}
/>
</div>
))}
<Form.File
label={t("chooseImage")}
accept="image/jpeg,image/jpg,image/png,image/gif,image/webp"
onChange={(event: React.ChangeEvent<HTMLInputElement>) => {
const { files } = event.currentTarget;
if (files != null && files.length !== 0) {
getBuilder().appendImage(files[0]);
}
}}
disabled={process}
/>
</div>
),
},
{
id: "preview",
tabText: "preview",
page: (
<div
className="markdown-container timeline-markdown-post-edit-page"
dangerouslySetInnerHTML={{ __html: previewHtml }}
/>
),
},
]}
/>
{showLeaveConfirmDialog && (
<ConfirmDialog
onClose={() => setShowLeaveConfirmDialog(false)}
onConfirm={onClose}
title="timeline.dropDraft"
body="timeline.confirmLeave"
/>
)}
</>
);
};
export default MarkdownPostEdit;
|
