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import React, { Fragment, PureComponent } from 'react';
import PropTypes from 'prop-types';
import { withStyles } from '@material-ui/core/styles';
import classNames from 'classnames';
import SwipeableViews from 'react-swipeable-views';
import AddIcon from '@material-ui/icons/Add';
import EditIcon from '@material-ui/icons/Create';
import NavigationIcon from '@material-ui/icons/Navigation';
import UpIcon from '@material-ui/icons/KeyboardArrowUp';
import DeleteIcon from '@material-ui/icons/Delete';
import { green } from '@material-ui/core/colors';
import { Typography, Grid, Fab, AppBar, Tabs, Tab, Zoom, Icon } from '@material-ui/core';
const styles = theme => ({
demo: {
height: 'auto',
},
divider: {
display: 'block',
margin: `${theme.spacing(3)}px 0`,
},
button: {
margin: theme.spacing(1),
},
root: {
backgroundColor: theme.palette.background.paper,
[theme.breakpoints.up('sm')]: {
width: 500,
},
margin: '0 auto',
position: 'relative',
minHeight: 200,
},
fab: {
position: 'absolute',
bottom: theme.spacing(2),
right: theme.spacing(2),
},
fabGreen: {
color: theme.palette.common.white,
backgroundColor: green[500],
},
extendedIcon: {
marginRight: theme.spacing(1),
},
});
function TabContainer(props) {
const { children, dir } = props;
return (
<Typography component="div" dir={dir} style={{ padding: 8 * 3 }}>
{children}
</Typography>
);
}
TabContainer.propTypes = {
children: PropTypes.node.isRequired,
dir: PropTypes.string.isRequired,
};
class FloatingButtons extends PureComponent {
state = {
value: 0,
};
handleChange = (event, value) => {
this.setState({ value });
};
handleChangeIndex = index => {
this.setState({ value: index });
};
render() {
const { classes, theme } = this.props;
const transitionDuration = {
enter: theme.transitions.duration.enteringScreen,
exit: theme.transitions.duration.leavingScreen,
};
const fabs = [
{
color: 'primary',
className: classes.fab,
icon: <AddIcon />,
},
{
color: 'secondary',
className: classes.fab,
icon: <EditIcon />,
},
{
color: 'inherit',
className: classNames(classes.fab, classes.fabGreen),
icon: <UpIcon />,
},
];
return (
<Fragment>
<Grid
container
alignItems="flex-start"
justify="flex-start"
direction="row"
spacing={2}
>
<Grid item md={6}>
<Typography variant="button" className={classes.divider}>Floating Action Buttons</Typography>
<Typography className={classes.divider}>
A floating action button represents the primary action in an application.
</Typography>
<Fab color="primary" aria-label="add" className={classes.button}>
<AddIcon />
</Fab>
<Fab color="secondary" aria-label="edit" className={classes.button}>
<Icon>edit_icon</Icon>
</Fab>
<Fab variant="extended" color="secondary" aria-label="Delete" className={classes.button}>
<NavigationIcon className={classes.extendedIcon} />
Extended
</Fab>
<Fab disabled aria-label="delete" className={classes.button}>
<DeleteIcon />
</Fab>
</Grid>
<Grid item md={6}>
<Typography variant="button" className={classes.divider}>Floating BUtton in Tab</Typography>
<Typography className={classes.divider}>
A floating action button that spans multiple lateral screens (such as tabbed screens) should briefly disappear, then reappear if its action changes.
</Typography>
<div className={classes.root}>
<AppBar position="static" color="default">
<Tabs
value={this.state.value}
onChange={this.handleChange}
indicatorColor="primary"
textColor="primary"
variant="fullWidth"
>
<Tab label="Item One" />
<Tab label="Item Two" />
<Tab label="Item Three" />
</Tabs>
</AppBar>
<SwipeableViews
axis={theme.direction === 'rtl' ? 'x-reverse' : 'x'}
index={this.state.value}
onChangeIndex={this.handleChangeIndex}
>
<TabContainer dir={theme.direction}>Item One</TabContainer>
<TabContainer dir={theme.direction}>Item Two</TabContainer>
<TabContainer dir={theme.direction}>Item Three</TabContainer>
</SwipeableViews>
{fabs.map((fab, index) => (
<Zoom
key={fab.color}
in={this.state.value === index}
timeout={transitionDuration}
style={{
transitionDelay: this.state.value === index ? transitionDuration.exit : 0,
}}
unmountOnExit
>
<Fab className={fab.className} color={fab.color}>
{fab.icon}
</Fab>
</Zoom>
))}
</div>
</Grid>
</Grid>
</Fragment>
);
}
}
FloatingButtons.propTypes = {
classes: PropTypes.object.isRequired,
theme: PropTypes.object.isRequired,
};
export default withStyles(styles, { withTheme: true })(FloatingButtons);
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