@grafana/data#ConfigOverrideRule TypeScript Examples

The following examples show how to use @grafana/data#ConfigOverrideRule. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: SingleStatBaseOptions.ts    From grafana-chinese with Apache License 2.0 5 votes vote down vote up 
export function sharedSingleStatPanelChangedHandler(
  options: Partial<SingleStatBaseOptions> | any,
  prevPluginId: string,
  prevOptions: any
) {
  // Migrating from angular singlestat
  if (prevPluginId === 'singlestat' && prevOptions.angular) {
    const panel = prevOptions.angular;
    const reducer = fieldReducers.getIfExists(panel.valueName);
    const options = {
      fieldOptions: {
        defaults: {} as FieldConfig,
        overrides: [] as ConfigOverrideRule[],
        calcs: [reducer ? reducer.id : ReducerID.mean],
      },
      orientation: VizOrientation.Horizontal,
    };

    const defaults = options.fieldOptions.defaults;
    if (panel.format) {
      defaults.unit = panel.format;
    }
    if (panel.nullPointMode) {
      defaults.nullValueMode = panel.nullPointMode;
    }
    if (panel.nullText) {
      defaults.noValue = panel.nullText;
    }
    if (panel.decimals || panel.decimals === 0) {
      defaults.decimals = panel.decimals;
    }

    // Convert thresholds and color values
    if (panel.thresholds && panel.colors) {
      const levels = panel.thresholds.split(',').map((strVale: string) => {
        return Number(strVale.trim());
      });

      // One more color than threshold
      const thresholds: Threshold[] = [];
      for (const color of panel.colors) {
        const idx = thresholds.length - 1;
        if (idx >= 0) {
          thresholds.push({ value: levels[idx], color });
        } else {
          thresholds.push({ value: -Infinity, color });
        }
      }
      defaults.thresholds = {
        mode: ThresholdsMode.Absolute,
        steps: thresholds,
      };
    }

    // Convert value mappings
    const mappings = convertOldAngularValueMapping(panel);
    if (mappings && mappings.length) {
      defaults.mappings = mappings;
    }

    if (panel.gauge && panel.gauge.show) {
      defaults.min = panel.gauge.minValue;
      defaults.max = panel.gauge.maxValue;
    }
    return options;
  }

  for (const k of optionsToKeep) {
    if (prevOptions.hasOwnProperty(k)) {
      options[k] = cloneDeep(prevOptions[k]);
    }
  }
  return options;
}
Example #2
Source File: Table.story.tsx    From grafana-chinese with Apache License 2.0 5 votes vote down vote up 
function buildData(theme: GrafanaTheme, overrides: ConfigOverrideRule[]): DataFrame {
  const data = new MutableDataFrame({
    fields: [
      { name: 'Time', type: FieldType.time, values: [] }, // The time field
      {
        name: 'Quantity',
        type: FieldType.number,
        values: [],
        config: {
          decimals: 0,
          custom: {
            align: 'center',
          },
        },
      },
      { name: 'Status', type: FieldType.string, values: [] }, // The time field
      {
        name: 'Value',
        type: FieldType.number,
        values: [],
        config: {
          decimals: 2,
        },
      },
      {
        name: 'Progress',
        type: FieldType.number,
        values: [],
        config: {
          unit: 'percent',
          custom: {
            width: 100,
          },
        },
      },
    ],
  });

  for (let i = 0; i < 1000; i++) {
    data.appendRow([
      new Date().getTime(),
      Math.random() * 2,
      Math.random() > 0.7 ? 'Active' : 'Cancelled',
      Math.random() * 100,
      Math.random() * 100,
    ]);
  }

  return applyFieldOverrides({
    data: [data],
    fieldOptions: {
      overrides,
      defaults: {},
    },
    theme,
    replaceVariables: (value: string) => value,
  })[0];
}