Добавлен компонент Pagination

Pagination/Pagination.tsx

+import * as React from 'react';
+import * as classNames from 'classnames';
+import Icon from '@material-ui/core/Icon';
+import { fade } from '@material-ui/core/styles/colorManipulator';
+import withStyles, { StyleRules, WithStyles } from '@material-ui/core/styles/withStyles';
+import { Theme } from '@material-ui/core/styles/createMuiTheme';
+import { sprintf, dcnpgettext, pgettext, Translations } from '../utils/gettext';
+
+
+/** react props */
+export interface Props {
+  ctx: { translations: Translations };
+  className?: string;
+  limit: number;
+  offset: number;
+  total: number;
+  listenKeyboard?: boolean;
+  reactHint?: boolean;
+
+  // коллбеки
+  onGotoNext?(): void; /// deprecated use `onOffsetChange`
+  onGotoPrev?(): void; /// deprecated use `onOffsetChange`
+  onOffsetChange?(offset: number): void;
+}
+
+
+class Pagination extends React.Component<Props & WithStyles> {
+  unlisten: Function|null = null;
+
+  componentDidMount() {
+    if (this.props.listenKeyboard === true) this.listenKeyboard();
+  }
+
+  componentWillUnmount() {
+    this.unlisten && this.unlisten();
+  }
+
+  componentWillReceiveProps(nextProps: Props) {
+    if (this.props.listenKeyboard && !nextProps.listenKeyboard) this.unlisten && this.unlisten();
+    if (!this.props.listenKeyboard && nextProps.listenKeyboard) this.listenKeyboard();
+  }
+
+  listenKeyboard() {
+    window.addEventListener('keydown', this.handleKeyDown);
+    this.unlisten = () => window.removeEventListener('keydown', this.handleKeyDown);
+  }
+
+  handleKeyDown = (e: KeyboardEvent) => {
+    if (e.key === 'ArrowRight' && e.ctrlKey) {
+      this.handleRight();
+    }
+    if (e.key === 'ArrowLeft' && e.ctrlKey) {
+      this.handleLeft();
+    }
+    if (e.key === 'ArrowUp' && e.ctrlKey) {
+      this.handleUp();
+    }
+    if (e.key === 'ArrowDown' && e.ctrlKey) {
+      this.handleDown();
+    }
+  };
+
+  handleLeft = () => {
+    const { offset, limit, onOffsetChange, onGotoPrev } = this.props;
+    if (offset <= 0) return;
+    onGotoPrev && onGotoPrev();
+    const nextOffset = Math.max(offset - limit, 0);
+    offset !== nextOffset && onOffsetChange && onOffsetChange(nextOffset);
+  }
+
+  handleRight = () => {
+    const { offset, limit, onOffsetChange, onGotoNext, total } = this.props;
+    const nextOffset = offset + limit;
+    if (nextOffset >= total) return;
+    onGotoNext && onGotoNext();
+    offset !== nextOffset && onOffsetChange && onOffsetChange(nextOffset);
+  };
+
+  handleUp = () => {
+    const { offset, limit, total, onOffsetChange } = this.props;
+    const nextOffset = total % limit === 0 ? total - limit : Math.floor(total / limit) * limit;
+    offset !== nextOffset && onOffsetChange && onOffsetChange(nextOffset);
+  };
+  
+  handleDown = () => {
+    const { offset, onOffsetChange } = this.props;
+    offset !== 0 && onOffsetChange && onOffsetChange(0);
+  };
+
+  render() {
+    const { className: classNameProps, limit, offset, total, reactHint, listenKeyboard, classes, ctx } = this.props;
+    const __ = k => pgettext(ctx, 'pagination', k);
+    const nextDisabled = offset + limit >= total;
+    const prevDisabled = offset <= 0;
+
+    const to = offset + limit > total ? total : offset + limit;
+    const className = classNames(classes.root, classNameProps);
+    const prevClassName = classNames(classes.button, prevDisabled ? classes.disabled : undefined);
+    const nextClassName = classNames(classes.button, nextDisabled ? classes.disabled : undefined);
+
+    const itemsClaim = sprintf(
+      dcnpgettext(
+        ctx.translations,
+        'messages',
+        'pagination',
+        '<b>%d</b>&ndash;<b>%d</b> of <b>%d</b>',
+        '<b>%d</b>&ndash;<b>%d</b> of <b>%d</b>',
+        total,
+      ),
+      offset + 1,
+      to,
+      total
+    );
+
+    const prevHint = reactHint && listenKeyboard ? __('Go back (CTRL+LEFT)') : undefined;
+    const nextHint = reactHint && listenKeyboard ? __('Go forward (CTRL+RIGHT)') : undefined;
+
+    return (
+      <div className={className}>
+        <span dangerouslySetInnerHTML={{ __html: itemsClaim }} className={classes.claim}/>
+        <div className={classes.navigationGroup}>
+          <span className={prevClassName} onClick={this.handleLeft} data-rh={prevHint}><Icon>navigate_before</Icon></span>
+          <span className={nextClassName} onClick={this.handleRight} data-rh={nextHint}><Icon>navigate_next</Icon></span>
+        </div>
+      </div>
+    );
+  }
+}
+
+export default withStyles(styles)(Pagination);
+
+
+// Styles
+export function styles(theme: Theme): StyleRules {
+  const { unit } = theme.spacing;
+  const borderRadius = 2;
+  const buttonHeight = 36;
+  const buttonWidth = buttonHeight * 1.0;
+
+  return {
+
+    root: {
+      display: 'flex',
+      flexDirection: 'row',
+      alignItems: 'center',
+    },
+
+    navigationGroup: {
+      boxShadow: '0 1px 6px rgba(0,0,0,.12),0 1px 4px rgba(0,0,0,.12)',
+      background: 'white',
+      borderRadius: borderRadius,
+      display: 'flex',
+      flexDirection: 'row',
+      alignItems: 'center',
+      tratatata: '',
+      marginLeft: unit * 2,
+      '& > * + *': {
+        borderLeft: `solid 1px ${theme.palette.divider}`,
+      },
+      '& > *:first-child': {
+        borderLeft: 'none',
+        borderTopLeftRadius: borderRadius,
+        borderBottomLeftRadius: borderRadius,
+      },
+      '& > *:last-child': {
+        borderTopRightRadius: borderRadius,
+        borderBottomRightRadius: borderRadius,
+      },
+    },
+
+    claim: {
+      fontSize: 14,
+      color: theme.palette.text.primary,
+      '& b': {
+        fontWeight: 500,
+      },
+    },
+
+    button: {
+      height: buttonHeight,
+      width: buttonWidth,
+      textAlign: 'center',
+      background: 'white',
+      color: theme.palette.text.secondary,
+      userSelect: 'none',
+      cursor: 'pointer',
+      '&:hover': {
+        background: fade(theme.palette.text.primary, 0.1),
+        color: theme.palette.text.primary,
+      },
+      '& > *': {
+        display: 'inline-block',
+        verticalAlign: 'middle',
+      },
+      '&:after': {
+        content: '""',
+        display: 'inline-block',
+        verticalAlign: 'middle',
+        width: 0.1,
+        height: '100%',
+      }
+    },
+
+    disabled: {
+      background: 'white !important',
+      color: `${theme.palette.text.secondary} !important`,
+      cursor: 'not-allowed !important',
+    }
+  };
+};
+

Pagination/index.tsx

+export * from './Pagination';
+export { default } from './Pagination';

core/option.ts

+export * from '../maybe';

core/package.json

@@ -7,5 +7,5 @@
   "private": true,
   "repository": "ssh://g@git.bitmaster.ru:34022/npm/common.git",
   "author": "Vladislav Lagunov <lagunov@taximaster2.ru>",
-  "license": "MIT",
+  "license": "MIT"
 }