文件操作 - TablePanel.tsx

文件: /usr/share/grafana/public/app/plugins/panel/table/TablePanel.tsx

编辑文件内容

import React, { Component } from 'react';

import { Select, Table } from '@grafana/ui';
import { DataFrame, FieldMatcherID, getFrameDisplayName, PanelProps, SelectableValue } from '@grafana/data';
import { Options } from './types';
import { css } from 'emotion';
import { config } from 'app/core/config';
import { FilterItem, TableSortByFieldState } from '@grafana/ui/src/components/Table/types';
import { dispatch } from '../../../store/store';
import { applyFilterFromTable } from '../../../features/variables/adhoc/actions';
import { getDashboardSrv } from '../../../features/dashboard/services/DashboardSrv';

interface Props extends PanelProps<Options> {}

export class TablePanel extends Component<Props> {
  constructor(props: Props) {
    super(props);
  }

onColumnResize = (fieldDisplayName: string, width: number) => {
    const { fieldConfig } = this.props;
    const { overrides } = fieldConfig;

const matcherId = FieldMatcherID.byName;
    const propId = 'custom.width';

// look for existing override
    const override = overrides.find(o => o.matcher.id === matcherId && o.matcher.options === fieldDisplayName);

if (override) {
      // look for existing property
      const property = override.properties.find(prop => prop.id === propId);
      if (property) {
        property.value = width;
      } else {
        override.properties.push({ id: propId, value: width });
      }
    } else {
      overrides.push({
        matcher: { id: matcherId, options: fieldDisplayName },
        properties: [{ id: propId, value: width }],
      });
    }

this.props.onFieldConfigChange({
      ...fieldConfig,
      overrides,
    });
  };

onSortByChange = (sortBy: TableSortByFieldState[]) => {
    this.props.onOptionsChange({
      ...this.props.options,
      sortBy,
    });
  };

onChangeTableSelection = (val: SelectableValue<number>) => {
    this.props.onOptionsChange({
      ...this.props.options,
      frameIndex: val.value || 0,
    });

// Force a redraw -- but no need to re-query
    this.forceUpdate();
  };

onCellFilterAdded = (filter: FilterItem) => {
    const { key, value, operator } = filter;
    const panelModel = getDashboardSrv()
      .getCurrent()
      .getPanelById(this.props.id);
    const datasource = panelModel?.datasource;

if (!datasource) {
      return;
    }

dispatch(applyFilterFromTable({ datasource, key, operator, value }));
  };

renderTable(frame: DataFrame, width: number, height: number) {
    const { options } = this.props;

return (
      <Table
        height={height}
        width={width}
        data={frame}
        noHeader={!options.showHeader}
        resizable={true}
        initialSortBy={options.sortBy}
        onSortByChange={this.onSortByChange}
        onColumnResize={this.onColumnResize}
        onCellFilterAdded={this.onCellFilterAdded}
      />
    );
  }

getCurrentFrameIndex() {
    const { data, options } = this.props;
    const count = data.series?.length;
    return options.frameIndex > 0 && options.frameIndex < count ? options.frameIndex : 0;
  }

render() {
    const { data, height, width } = this.props;

const count = data.series?.length;

if (!count || count < 1) {
      return <div>No data</div>;
    }

if (count > 1) {
      const inputHeight = config.theme.spacing.formInputHeight;
      const padding = 8 * 2;
      const currentIndex = this.getCurrentFrameIndex();
      const names = data.series.map((frame, index) => {
        return {
          label: getFrameDisplayName(frame),
          value: index,
        };
      });

return (
        <div className={tableStyles.wrapper}>
          {this.renderTable(data.series[currentIndex], width, height - inputHeight - padding)}
          <div className={tableStyles.selectWrapper}>
            <Select options={names} value={names[currentIndex]} onChange={this.onChangeTableSelection} />
          </div>
        </div>
      );
    }

return this.renderTable(data.series[0], width, height - 12);
  }
}

const tableStyles = {
  wrapper: css`
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
  `,
  selectWrapper: css`
    padding: 8px;
  `,
};

文件操作 - TablePanel.tsx

文件: /usr/share/grafana/public/app/plugins/panel/table/TablePanel.tsx

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