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{ each, get, isArray, isEmpty, isFunction, isNil, isNumber, isString, toString } from '@antv/util';\nimport { animation, annotation, legend, state, theme } from '../../adaptor/common';\nimport { interval } from '../../adaptor/geometries';\nimport { getMappingFunction } from '../../adaptor/geometries/base';\nimport { pattern } from '../../adaptor/pattern';\nimport { Params } from '../../core/adaptor';\nimport { getLocale } from '../../core/locale';\nimport { Data, Datum } from '../../types';\nimport { Interaction } from '../../types/interaction';\nimport { deepAssign, flow, processIllegalData, renderStatistic, template, transformLabel } from '../../utils';\nimport { DEFAULT_OPTIONS } from './contants';\nimport { PIE_STATISTIC } from './interactions';\nimport { PieOptions } from './types';\nimport { adaptOffset, getTotalValue, isAllZero } from './utils';\n\n/**\n * 字段\n * @param params\n */\nfunction geometry(params: Params<PieOptions>): Params<PieOptions> {\n  const { chart, options } = params;\n  const { data, angleField, colorField, color, pieStyle, shape } = options;\n\n  // 处理不合法的数据\n  let processData = processIllegalData(data, angleField);\n\n  if (isAllZero(processData, angleField)) {\n    // 数据全 0 处理，调整 position 映射\n    const percentageField = '$$percentage$$';\n    processData = processData.map((d) => ({ ...d, [percentageField]: 1 / processData.length }));\n    chart.data(processData);\n\n    const p = deepAssign({}, params, {\n      options: {\n        xField: '1',\n        yField: percentageField,\n        seriesField: colorField,\n        isStack: true,\n        interval: {\n          color,\n          shape,\n          style: pieStyle,\n        },\n        args: {\n          zIndexReversed: true,\n          sortZIndex: true,\n        },\n      },\n    });\n\n    interval(p);\n  } else {\n    chart.data(processData);\n\n    const p = deepAssign({}, params, {\n      options: {\n        xField: '1',\n        yField: angleField,\n        seriesField: colorField,\n        isStack: true,\n        interval: {\n          color,\n          shape,\n          style: pieStyle,\n        },\n        args: {\n          zIndexReversed: true,\n          sortZIndex: true,\n        },\n      },\n    });\n\n    interval(p);\n  }\n\n  return params;\n}\n\n/**\n * meta 配置\n * @param params\n */\nfunction meta(params: Params<PieOptions>): Params<PieOptions> {\n  const { chart, options } = params;\n  const { meta, colorField } = options;\n\n  // meta 直接是 scale 的信息\n  const scales = deepAssign({}, meta);\n  chart.scale(scales, {\n    [colorField]: { type: 'cat' },\n  });\n\n  return params;\n}\n\n/**\n * coord 配置\n * @param params\n */\nfunction coordinate(params: Params<PieOptions>): Params<PieOptions> {\n  const { chart, options } = params;\n  const { radius, innerRadius, startAngle, endAngle } = options;\n\n  chart.coordinate({\n    type: 'theta',\n    cfg: {\n      radius,\n      innerRadius,\n      startAngle,\n      endAngle,\n    },\n  });\n\n  return params;\n}\n\n/**\n * label 配置\n * @param params\n */\nfunction label(params: Params<PieOptions>): Params<PieOptions> {\n  const { chart, options } = params;\n  const { label, colorField, angleField } = options;\n\n  const geometry = chart.geometries[0];\n  // label 为 false, 空 则不显示 label\n  if (!label) {\n    geometry.label(false);\n  } else {\n    const { callback, ...cfg } = label;\n    const labelCfg = transformLabel(cfg);\n\n    // ① 提供模板字符串的 label content 配置\n    if (labelCfg.content) {\n      const { content } = labelCfg;\n      labelCfg.content = (data: object, dataum: any, index: number) => {\n        const name = data[colorField];\n        const value = data[angleField];\n        // dymatic get scale, scale is ready this time\n        const angleScale = chart.getScaleByField(angleField);\n        const percent = angleScale?.scale(value);\n        return isFunction(content)\n          ? // append percent (number) to data, users can get origin data from `dataum._origin`\n            content({ ...data, percent }, dataum, index)\n          : isString(content)\n          ? template(content as string, {\n              value,\n              name,\n              // percentage (string), default keep 2\n              percentage: isNumber(percent) && !isNil(value) ? `${(percent * 100).toFixed(2)}%` : null,\n            })\n          : content;\n      };\n    }\n\n    const LABEL_LAYOUT_TYPE_MAP = {\n      inner: '',\n      outer: 'pie-outer',\n      spider: 'pie-spider',\n    };\n    const labelLayoutType = labelCfg.type ? LABEL_LAYOUT_TYPE_MAP[labelCfg.type] : 'pie-outer';\n    const labelLayoutCfg = labelCfg.layout ? (!isArray(labelCfg.layout) ? [labelCfg.layout] : labelCfg.layout) : [];\n    labelCfg.layout = (labelLayoutType ? [{ type: labelLayoutType }] : []).concat(labelLayoutCfg);\n\n    geometry.label({\n      // fix: could not create scale, when field is undefined（attributes 中的 fields 定义都会被用来创建 scale）\n      fields: colorField ? [angleField, colorField] : [angleField],\n      callback,\n      cfg: {\n        ...labelCfg,\n        offset: adaptOffset(labelCfg.type, labelCfg.offset),\n        type: 'pie',\n      },\n    });\n  }\n  return params;\n}\n\n/**\n * statistic options 处理\n * 1. 默认继承 default options 的样式\n * 2. 默认使用 meta 的 formatter\n */\nexport function transformStatisticOptions(options: PieOptions): PieOptions {\n  const { innerRadius, statistic, angleField, colorField, meta, locale } = options;\n\n  const i18n = getLocale(locale);\n\n  if (innerRadius && statistic) {\n    let { title: titleOpt, content: contentOpt } = deepAssign({}, DEFAULT_OPTIONS.statistic, statistic);\n    if (titleOpt !== false) {\n      titleOpt = deepAssign(\n        {},\n        {\n          formatter: (datum: Datum) => {\n            // 交互中, datum existed.\n            const text = datum\n              ? datum[colorField]\n              : !isNil(titleOpt.content)\n              ? titleOpt.content\n              : i18n.get(['statistic', 'total']);\n            const metaFormatter = get(meta, [colorField, 'formatter']) || ((v) => v);\n            return metaFormatter(text);\n          },\n        },\n        titleOpt\n      );\n    }\n    if (contentOpt !== false) {\n      contentOpt = deepAssign(\n        {},\n        {\n          formatter: (datum: Datum, data: Data) => {\n            const dataValue = datum ? datum[angleField] : getTotalValue(data, angleField);\n            const metaFormatter = get(meta, [angleField, 'formatter']) || ((v) => v);\n            // 交互中\n            if (datum) {\n              return metaFormatter(dataValue);\n            }\n            return !isNil(contentOpt.content) ? contentOpt.content : metaFormatter(dataValue);\n          },\n        },\n        contentOpt\n      );\n    }\n\n    return deepAssign({}, { statistic: { title: titleOpt, content: contentOpt } }, options);\n  }\n  return options;\n}\n\n/**\n * statistic 中心文本配置\n * @param params\n */\nexport function pieAnnotation(params: Params<PieOptions>): Params<PieOptions> {\n  const { chart, options } = params;\n  const { innerRadius, statistic } = transformStatisticOptions(options);\n  // 先清空标注，再重新渲染\n  chart.getController('annotation').clear(true);\n\n  // 先进行其他 annotations，再去渲染统计文本\n  flow(annotation())(params);\n\n  /** 中心文本 指标卡 */\n  if (innerRadius && statistic) {\n    renderStatistic(chart, { statistic, plotType: 'pie' });\n  }\n\n  return params;\n}\n\n/**\n * 饼图 tooltip 配置\n * 1. 强制 tooltip.shared 为 false\n * @param params\n */\nfunction tooltip(params: Params<PieOptions>): Params<PieOptions> {\n  const { chart, options } = params;\n  const { tooltip, colorField, angleField, data } = options;\n\n  if (tooltip === false) {\n    chart.tooltip(tooltip);\n  } else {\n    chart.tooltip(deepAssign({}, tooltip, { shared: false }));\n\n    // 主要解决 all zero， 对于非 all zero 不再适用\n    if (isAllZero(data, angleField)) {\n      let fields = get(tooltip, 'fields');\n      let formatter = get(tooltip, 'formatter');\n\n      if (isEmpty(get(tooltip, 'fields'))) {\n        fields = [colorField, angleField];\n        formatter = formatter || ((datum) => ({ name: datum[colorField], value: toString(datum[angleField]) }));\n      }\n      chart.geometries[0].tooltip(fields.join('*'), getMappingFunction(fields, formatter));\n    }\n  }\n\n  return params;\n}\n\n/**\n * Interaction 配置 (饼图特殊的 interaction, 中心文本变更的时候，需要将一些配置参数传进去）\n * @param params\n */\nexport function interaction(params: Params<PieOptions>): Params<PieOptions> {\n  const { chart, options } = params;\n  const { interactions, statistic, annotations } = transformStatisticOptions(options);\n\n  each(interactions, (i: Interaction) => {\n    if (i.enable === false) {\n      chart.removeInteraction(i.type);\n    } else if (i.type === 'pie-statistic-active') {\n      // 只针对 start 阶段的配置，进行添加参数信息\n      let startStages = [];\n      if (!i.cfg?.start) {\n        startStages = [\n          {\n            trigger: 'element:mouseenter',\n            action: `${PIE_STATISTIC}:change`,\n            arg: { statistic, annotations },\n          },\n        ];\n      }\n      each(i.cfg?.start, (stage) => {\n        startStages.push({ ...stage, arg: { statistic, annotations } });\n      });\n      chart.interaction(i.type, deepAssign({}, i.cfg, { start: startStages }));\n    } else {\n      chart.interaction(i.type, i.cfg || {});\n    }\n  });\n\n  return params;\n}\n\n/**\n * 饼图适配器\n * @param chart\n * @param options\n */\nexport function adaptor(params: Params<PieOptions>) {\n  // flow 的方式处理所有的配置到 G2 API\n  return flow<Params<PieOptions>>(\n    pattern('pieStyle'),\n    geometry,\n    meta,\n    theme,\n    coordinate,\n    legend,\n    tooltip,\n    label,\n    state,\n    /** 指标卡中心文本 放在下层 */\n    pieAnnotation,\n    interaction,\n    animation\n  )(params);\n}\n"]}