ant-design-vue/components/vc-picker/panels/QuarterPanel/index.tsx

import QuarterHeader from './QuarterHeader';
import QuarterBody from './QuarterBody';
import type { PanelSharedProps } from '../../interface';
import { createKeydownHandler } from '../../utils/uiUtil';
import useMergeProps from '../../hooks/useMergeProps';

export type QuarterPanelProps<DateType> = {} & PanelSharedProps<DateType>;

function QuarterPanel<DateType>(_props: QuarterPanelProps<DateType>) {
  const props = useMergeProps(_props);
  const {
    prefixCls,
    operationRef,
    onViewDateChange,
    generateConfig,
    value,
    viewDate,
    onPanelChange,
    onSelect,
  } = props;

  const panelPrefixCls = `${prefixCls}-quarter-panel`;

  // ======================= Keyboard =======================
  operationRef.value = {
    onKeydown: (event: KeyboardEvent) =>
      createKeydownHandler(event, {
        onLeftRight: diff => {
          onSelect(generateConfig.addMonth(value || viewDate, diff * 3), 'key');
        },
        onCtrlLeftRight: diff => {
          onSelect(generateConfig.addYear(value || viewDate, diff), 'key');
        },
        onUpDown: diff => {
          onSelect(generateConfig.addYear(value || viewDate, diff), 'key');
        },
      }),
  };

  // ==================== View Operation ====================
  const onYearChange = (diff: number) => {
    const newDate = generateConfig.addYear(viewDate, diff);
    onViewDateChange(newDate);
    onPanelChange(null, newDate);
  };

  return (
    <div class={panelPrefixCls}>
      <QuarterHeader
        {...props}
        prefixCls={prefixCls}
        onPrevYear={() => {
          onYearChange(-1);
        }}
        onNextYear={() => {
          onYearChange(1);
        }}
        onYearClick={() => {
          onPanelChange('year', viewDate);
        }}
      />
      <QuarterBody<DateType>
        {...props}
        prefixCls={prefixCls}
        onSelect={date => {
          onSelect(date, 'mouse');
        }}
      />
    </div>
  );
}

QuarterPanel.displayName = 'QuarterPanel';
QuarterPanel.inheritAttrs = false;

export default QuarterPanel;