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@material-ui/core

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React components that implement Google's Material Design.

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import _extends from "@babel/runtime/helpers/esm/extends"; import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties"; import React from 'react'; import PropTypes from 'prop-types'; import clsx from 'clsx'; import capitalize from '../utils/capitalize'; import withStyles from '../styles/withStyles'; import { darken, lighten } from '../styles/colorManipulator'; import useTheme from '../styles/useTheme'; var TRANSITION_DURATION = 4; // seconds export var styles = function styles(theme) { var getColor = function getColor(color) { return theme.palette.type === 'light' ? lighten(color, 0.62) : darken(color, 0.5); }; var backgroundPrimary = getColor(theme.palette.primary.main); var backgroundSecondary = getColor(theme.palette.secondary.main); return { /* Styles applied to the root element. */ root: { position: 'relative', overflow: 'hidden', height: 4 }, /* Styles applied to the root and bar2 element if `color="primary"`; bar2 if `variant-"buffer"`. */ colorPrimary: { backgroundColor: backgroundPrimary }, /* Styles applied to the root and bar2 elements if `color="secondary"`; bar2 if `variant="buffer"`. */ colorSecondary: { backgroundColor: backgroundSecondary }, /* Styles applied to the root element if `variant="determinate"`. */ determinate: {}, /* Styles applied to the root element if `variant="indeterminate"`. */ indeterminate: {}, /* Styles applied to the root element if `variant="buffer"`. */ buffer: { backgroundColor: 'transparent' }, /* Styles applied to the root element if `variant="query"`. */ query: { transform: 'rotate(180deg)' }, /* Styles applied to the additional bar element if `variant="buffer"`. */ dashed: { position: 'absolute', marginTop: 0, height: '100%', width: '100%', animation: '$buffer 3s infinite linear' }, /* Styles applied to the additional bar element if `variant="buffer"` and `color="primary"`. */ dashedColorPrimary: { backgroundImage: "radial-gradient(".concat(backgroundPrimary, " 0%, ").concat(backgroundPrimary, " 16%, transparent 42%)"), backgroundSize: '10px 10px', backgroundPosition: '0px -23px' }, /* Styles applied to the additional bar element if `variant="buffer"` and `color="secondary"`. */ dashedColorSecondary: { backgroundImage: "radial-gradient(".concat(backgroundSecondary, " 0%, ").concat(backgroundSecondary, " 16%, transparent 42%)"), backgroundSize: '10px 10px', backgroundPosition: '0px -23px' }, /* Styles applied to the layered bar1 and bar2 elements. */ bar: { width: '100%', position: 'absolute', left: 0, bottom: 0, top: 0, transition: 'transform 0.2s linear', transformOrigin: 'left' }, /* Styles applied to the bar elements if `color="primary"`; bar2 if `variant` not "buffer". */ barColorPrimary: { backgroundColor: theme.palette.primary.main }, /* Styles applied to the bar elements if `color="secondary"`; bar2 if `variant` not "buffer". */ barColorSecondary: { backgroundColor: theme.palette.secondary.main }, /* Styles applied to the bar1 element if `variant="indeterminate or query"`. */ bar1Indeterminate: { width: 'auto', animation: '$indeterminate1 2.1s cubic-bezier(0.65, 0.815, 0.735, 0.395) infinite' }, /* Styles applied to the bar1 element if `variant="determinate"`. */ bar1Determinate: { transition: "transform .".concat(TRANSITION_DURATION, "s linear") }, /* Styles applied to the bar1 element if `variant="buffer"`. */ bar1Buffer: { zIndex: 1, transition: "transform .".concat(TRANSITION_DURATION, "s linear") }, /* Styles applied to the bar2 element if `variant="indeterminate or query"`. */ bar2Indeterminate: { width: 'auto', animation: '$indeterminate2 2.1s cubic-bezier(0.165, 0.84, 0.44, 1) infinite', animationDelay: '1.15s' }, /* Styles applied to the bar2 element if `variant="buffer"`. */ bar2Buffer: { transition: "transform .".concat(TRANSITION_DURATION, "s linear") }, // Legends: // || represents the viewport // - represents a light background // x represents a dark background '@keyframes indeterminate1': { // |-----|---x-||-----||-----| '0%': { left: '-35%', right: '100%' }, // |-----|-----||-----||xxxx-| '60%': { left: '100%', right: '-90%' }, '100%': { left: '100%', right: '-90%' } }, '@keyframes indeterminate2': { // |xxxxx|xxxxx||-----||-----| '0%': { left: '-200%', right: '100%' }, // |-----|-----||-----||-x----| '60%': { left: '107%', right: '-8%' }, '100%': { left: '107%', right: '-8%' } }, '@keyframes buffer': { '0%': { opacity: 1, backgroundPosition: '0px -23px' }, '50%': { opacity: 0, backgroundPosition: '0px -23px' }, '100%': { opacity: 1, backgroundPosition: '-200px -23px' } } }; }; /** * ## ARIA * * If the progress bar is describing the loading progress of a particular region of a page, * you should use `aria-describedby` to point to the progress bar, and set the `aria-busy` * attribute to `true` on that region until it has finished loading. */ var LinearProgress = React.forwardRef(function LinearProgress(props, ref) { var classes = props.classes, className = props.className, _props$color = props.color, color = _props$color === void 0 ? 'primary' : _props$color, value = props.value, valueBuffer = props.valueBuffer, _props$variant = props.variant, variant = _props$variant === void 0 ? 'indeterminate' : _props$variant, other = _objectWithoutProperties(props, ["classes", "className", "color", "value", "valueBuffer", "variant"]); var theme = useTheme(); var rootProps = {}; var inlineStyles = { bar1: {}, bar2: {} }; if (variant === 'determinate' || variant === 'buffer') { if (value !== undefined) { rootProps['aria-valuenow'] = Math.round(value); var transform = value - 100; if (theme.direction === 'rtl') { transform = -transform; } inlineStyles.bar1.transform = "translateX(".concat(transform, "%)"); } else if (process.env.NODE_ENV !== 'production') { console.error('Material-UI: you need to provide a value prop ' + 'when using the determinate or buffer variant of LinearProgress .'); } } if (variant === 'buffer') { if (valueBuffer !== undefined) { var _transform = (valueBuffer || 0) - 100; if (theme.direction === 'rtl') { _transform = -_transform; } inlineStyles.bar2.transform = "translateX(".concat(_transform, "%)"); } else if (process.env.NODE_ENV !== 'production') { console.error('Material-UI: you need to provide a valueBuffer prop ' + 'when using the buffer variant of LinearProgress.'); } } return React.createElement("div", _extends({ className: clsx(classes.root, classes["color".concat(capitalize(color))], className, { determinate: classes.determinate, indeterminate: classes.indeterminate, buffer: classes.buffer, query: classes.query }[variant]), role: "progressbar" }, rootProps, { ref: ref }, other), variant === 'buffer' ? React.createElement("div", { className: clsx(classes.dashed, classes["dashedColor".concat(capitalize(color))]) }) : null, React.createElement("div", { className: clsx(classes.bar, classes["barColor".concat(capitalize(color))], (variant === 'indeterminate' || variant === 'query') && classes.bar1Indeterminate, { determinate: classes.bar1Determinate, buffer: classes.bar1Buffer }[variant]), style: inlineStyles.bar1 }), variant === 'determinate' ? null : React.createElement("div", { className: clsx(classes.bar, (variant === 'indeterminate' || variant === 'query') && classes.bar2Indeterminate, variant === 'buffer' ? [classes["color".concat(capitalize(color))], classes.bar2Buffer] : classes["barColor".concat(capitalize(color))]), style: inlineStyles.bar2 })); }); process.env.NODE_ENV !== "production" ? LinearProgress.propTypes = { /** * Override or extend the styles applied to the component. * See [CSS API](#css) below for more details. */ classes: PropTypes.object.isRequired, /** * @ignore */ className: PropTypes.string, /** * The color of the component. It supports those theme colors that make sense for this component. */ color: PropTypes.oneOf(['primary', 'secondary']), /** * The value of the progress indicator for the determinate and buffer variants. * Value between 0 and 100. */ value: PropTypes.number, /** * The value for the buffer variant. * Value between 0 and 100. */ valueBuffer: PropTypes.number, /** * The variant to use. * Use indeterminate or query when there is no progress value. */ variant: PropTypes.oneOf(['determinate', 'indeterminate', 'buffer', 'query']) } : void 0; export default withStyles(styles, { name: 'MuiLinearProgress' })(LinearProgress);