@selfcommunity/react-ui/lib/esm/components/CourseForm/UploadCourseCover.js

React UI Components to integrate a Community created with SelfCommunity Platform.

import { __rest } from "tslib";
import { jsx as _jsx, Fragment as _Fragment, jsxs as _jsxs } from "react/jsx-runtime";
import { useContext, useRef, useState } from 'react';
import { Alert, styled, Icon } from '@mui/material';
import { SCUserContext } from '@selfcommunity/react-core';
import classNames from 'classnames';
import { useThemeProps } from '@mui/system';
import { PREFIX } from './constants';
import { LoadingButton } from '@mui/lab';
import { defineMessages } from 'react-intl';
const messages = defineMessages({
    errorLoadImage: {
        id: 'ui.changeGroupCover.button.change.alertErrorImage',
        defaultMessage: 'ui.changeGroupCover.button.change.alertErrorImage'
    }
});
const classes = {
    root: `${PREFIX}-upload-course-cover-root`
};
const Root = styled(LoadingButton, {
    name: PREFIX,
    slot: 'UploadCourseCoverRoot'
})(() => ({}));
/**
 * > API documentation for the Community-JS Change Group Cover component. Learn about the available props and the CSS API.
 *
 *
 * This component renders a button that allows admins to edit the group cover and a popover that specifies format and sizes allowed.
 * Take a look at our <strong>demo</strong> component [here](/docs/sdk/community-js/react-ui/Components/UploadCourseCover)

 #### Import
 ```jsx
 import {UploadCourseCover} from '@selfcommunity/react-ui';
 ```

 #### Component Name
 The name `SCUploadCourseCover` can be used when providing style overrides in the theme.

 #### CSS

 |Rule Name|Global class|Description|
 |---|---|---|
 |root|.SCUploadCourseCover-root|Styles applied to the root element.|

 * @param inProps
 */
export default function UploadCourseCover(inProps) {
    //PROPS
    const props = useThemeProps({
        props: inProps,
        name: PREFIX
    });
    const { isUploading = false, onChange, className = false } = props, rest = __rest(props, ["isUploading", "onChange", "className"]);
    //CONTEXT
    const scUserContext = useContext(SCUserContext);
    //STATE
    let fileInput = useRef(null);
    const [alert, setAlert] = useState(null);
    // Anonymous
    if (!scUserContext.user) {
        return null;
    }
    /**
     * Handles file upload
     * @param event
     */
    const handleUpload = (event) => {
        const selectedFile = event.target.files[0];
        if (!selectedFile)
            return;
        fileInput = selectedFile;
        const reader = new FileReader();
        reader.onload = (e) => {
            const img = new Image();
            img.onload = () => {
                onChange(fileInput);
            };
            img.src = e.target.result;
        };
        reader.readAsDataURL(selectedFile);
    };
    /**
     * If there is an error
     */
    if (alert) {
        return (_jsx(Alert, Object.assign({ color: "error", onClose: () => setAlert(null) }, { children: alert })));
    }
    return (_jsxs(_Fragment, { children: [_jsx("input", { type: "file", onChange: handleUpload, ref: fileInput, hidden: true, accept: ".gif,.png,.jpg,.jpeg" }), _jsx(Root, Object.assign({ className: classNames(classes.root, className), size: "medium", variant: "contained", disabled: isUploading, onClick: () => fileInput.current.click(), loading: isUploading }, rest, { children: _jsx(Icon, { children: "image" }) }))] }));
}