content: import _extends from "@babel/runtime/helpers/esm/extends";
  import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
  import React from 'react';
  import PropTypes from 'prop-types';
  import { chainPropTypes } from '@material-ui/utils';
  import clsx from 'clsx';
  import withStyles from '../styles/withStyles';
  import InputBase from '../InputBase';
  import MenuItem from '../MenuItem';
  import Select from '../Select';
  import TableCell from '../TableCell';
  import Toolbar from '../Toolbar';
  import Typography from '../Typography';
  import TablePaginationActions from './TablePaginationActions';
  export const styles = theme => ({
    /* Styles applied to the root element. */
    root: {
      color: theme.palette.text.primary,
      fontSize: theme.typography.pxToRem(14),
      overflow: 'auto',
      // Increase the specificity to override TableCell.
      '&:last-child': {
        padding: 0
      }
    },
  
    /* Styles applied to the Toolbar component. */
    toolbar: {
      minHeight: 52,
      paddingRight: 2
    },
  
    /* Styles applied to the spacer element. */
    spacer: {
      flex: '1 1 100%'
    },
  
    /* Styles applied to the caption Typography components if `variant="caption"`. */
    caption: {
      flexShrink: 0
    },
  
    /* Styles applied to the Select component root element. */
    selectRoot: {
      // `.selectRoot` should be merged with `.input` in v5.
      marginRight: 32,
      marginLeft: 8
    },
  
    /* Styles applied to the Select component `select` class. */
    select: {
      paddingLeft: 8,
      paddingRight: 24,
      textAlign: 'right',
      textAlignLast: 'right' // Align <select> on Chrome.
  
    },
    // TODO v5: remove
  
    /* Styles applied to the Select component `icon` class. */
    selectIcon: {},
  
    /* Styles applied to the `InputBase` component. */
    input: {
      color: 'inherit',
      fontSize: 'inherit',
      flexShrink: 0
    },
  
    /* Styles applied to the MenuItem component. */
    menuItem: {},
  
    /* Styles applied to the internal `TablePaginationActions` component. */
    actions: {
      flexShrink: 0,
      marginLeft: 20
    }
  });
  
  const defaultLabelDisplayedRows = ({
    from,
    to,
    count
  }) => `${from}-${to === -1 ? count : to} of ${count !== -1 ? count : `more than ${to}`}`;
  
  const defaultRowsPerPageOptions = [10, 25, 50, 100];
  /**
   * A `TableCell` based component for placing inside `TableFooter` for pagination.
   */
  
  const TablePagination = React.forwardRef(function TablePagination(props, ref) {
    const {
      ActionsComponent = TablePaginationActions,
      backIconButtonProps,
      backIconButtonText = 'Previous page',
      classes,
      className,
      colSpan: colSpanProp,
      component: Component = TableCell,
      count,
      labelDisplayedRows = defaultLabelDisplayedRows,
      labelRowsPerPage = 'Rows per page:',
      nextIconButtonProps,
      nextIconButtonText = 'Next page',
      onChangePage,
      onChangeRowsPerPage,
      page,
      rowsPerPage,
      rowsPerPageOptions = defaultRowsPerPageOptions,
      SelectProps = {}
    } = props,
          other = _objectWithoutPropertiesLoose(props, ["ActionsComponent", "backIconButtonProps", "backIconButtonText", "classes", "className", "colSpan", "component", "count", "labelDisplayedRows", "labelRowsPerPage", "nextIconButtonProps", "nextIconButtonText", "onChangePage", "onChangeRowsPerPage", "page", "rowsPerPage", "rowsPerPageOptions", "SelectProps"]);
  
    let colSpan;
  
    if (Component === TableCell || Component === 'td') {
      colSpan = colSpanProp || 1000; // col-span over everything
    }
  
    const MenuItemComponent = SelectProps.native ? 'option' : MenuItem;
    return React.createElement(Component, _extends({
      className: clsx(classes.root, className),
      colSpan: colSpan,
      ref: ref
    }, other), React.createElement(Toolbar, {
      className: classes.toolbar
    }, React.createElement("div", {
      className: classes.spacer
    }), rowsPerPageOptions.length > 1 && React.createElement(Typography, {
      color: "inherit",
      variant: "body2",
      className: classes.caption
    }, labelRowsPerPage), rowsPerPageOptions.length > 1 && React.createElement(Select, _extends({
      classes: {
        select: classes.select,
        icon: classes.selectIcon
      },
      input: React.createElement(InputBase, {
        className: clsx(classes.input, classes.selectRoot)
      }),
      value: rowsPerPage,
      onChange: onChangeRowsPerPage
    }, SelectProps), rowsPerPageOptions.map(rowsPerPageOption => React.createElement(MenuItemComponent, {
      className: classes.menuItem,
      key: rowsPerPageOption.value ? rowsPerPageOption.value : rowsPerPageOption,
      value: rowsPerPageOption.value ? rowsPerPageOption.value : rowsPerPageOption
    }, rowsPerPageOption.label ? rowsPerPageOption.label : rowsPerPageOption))), React.createElement(Typography, {
      color: "inherit",
      variant: "body2",
      className: classes.caption
    }, labelDisplayedRows({
      from: count === 0 ? 0 : page * rowsPerPage + 1,
      to: count !== -1 ? Math.min(count, (page + 1) * rowsPerPage) : (page + 1) * rowsPerPage,
      count,
      page
    })), React.createElement(ActionsComponent, {
      className: classes.actions,
      backIconButtonProps: _extends({
        title: backIconButtonText,
        'aria-label': backIconButtonText
      }, backIconButtonProps),
      count: count,
      nextIconButtonProps: _extends({
        title: nextIconButtonText,
        'aria-label': nextIconButtonText
      }, nextIconButtonProps),
      onChangePage: onChangePage,
      page: page,
      rowsPerPage: rowsPerPage
    })));
  });
  process.env.NODE_ENV !== "production" ? TablePagination.propTypes = {
    /**
     * The component used for displaying the actions.
     * Either a string to use a DOM element or a component.
     */
    ActionsComponent: PropTypes.elementType,
  
    /**
     * Props applied to the back arrow [`IconButton`](/api/icon-button/) component.
     */
    backIconButtonProps: PropTypes.object,
  
    /**
     * Text label for the back arrow icon button.
     *
     * For localization purposes, you can use the provided [translations](/guides/localization/).
     */
    backIconButtonText: PropTypes.string,
  
    /**
     * 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,
  
    /**
     * @ignore
     */
    colSpan: PropTypes.number,
  
    /**
     * The component used for the root node.
     * Either a string to use a DOM element or a component.
     */
    component: PropTypes.elementType,
  
    /**
     * The total number of rows.
     *
     * To enable server side pagination for an unknown number of items, provide -1.
     */
    count: PropTypes.number.isRequired,
  
    /**
     * Customize the displayed rows label.
     *
     * For localization purposes, you can use the provided [translations](/guides/localization/).
     */
    labelDisplayedRows: PropTypes.func,
  
    /**
     * Customize the rows per page label. Invoked with a `{ from, to, count, page }`
     * object.
     *
     * For localization purposes, you can use the provided [translations](/guides/localization/).
     */
    labelRowsPerPage: PropTypes.node,
  
    /**
     * Props applied to the next arrow [`IconButton`](/api/icon-button/) element.
     */
    nextIconButtonProps: PropTypes.object,
  
    /**
     * Text label for the next arrow icon button.
     *
     * For localization purposes, you can use the provided [translations](/guides/localization/).
     */
    nextIconButtonText: PropTypes.string,
  
    /**
     * Callback fired when the page is changed.
     *
     * @param {object} event The event source of the callback.
     * @param {number} page The page selected.
     */
    onChangePage: PropTypes.func.isRequired,
  
    /**
     * Callback fired when the number of rows per page is changed.
     *
     * @param {object} event The event source of the callback.
     */
    onChangeRowsPerPage: PropTypes.func,
  
    /**
     * The zero-based index of the current page.
     */
    page: chainPropTypes(PropTypes.number.isRequired, props => {
      const {
        count,
        page,
        rowsPerPage
      } = props;
      const newLastPage = Math.max(0, Math.ceil(count / rowsPerPage) - 1);
  
      if (page < 0 || page > newLastPage) {
        return new Error('Material-UI: the page prop of a TablePagination is out of range ' + `(0 to ${newLastPage}, but page is ${page}).`);
      }
  
      return null;
    }),
  
    /**
     * The number of rows per page.
     */
    rowsPerPage: PropTypes.number.isRequired,
  
    /**
     * Customizes the options of the rows per page select field. If less than two options are
     * available, no select field will be displayed.
     */
    rowsPerPageOptions: PropTypes.array,
  
    /**
     * Props applied to the rows per page [`Select`](/api/select/) element.
     */
    SelectProps: PropTypes.object
  } : void 0;
  export default withStyles(styles, {
    name: 'MuiTablePagination'
  })(TablePagination);