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{ deepMix, each, filter, get } from '@antv/util';\nimport { DIRECTION } from '../constant';\nimport { AxisCfg, Datum, RectCfg, RectData } from '../interface';\n\nimport View from '../chart/view';\nimport { getFactTitleConfig } from '../util/facet';\nimport { Facet } from './facet';\n\n/**\n * @ignore\n * 矩阵分面\n */\nexport default class Rect extends Facet<RectCfg, RectData> {\n protected afterEachView(view: View, facet: RectData) {\n this.processAxis(view, facet);\n }\n\n protected beforeEachView(view: View, facet: RectData) {\n // do nothing\n }\n\n protected getDefaultCfg() {\n return deepMix({}, super.getDefaultCfg(), {\n type: 'rect',\n columnTitle: {\n ...super.getDefaultTitleCfg(),\n },\n rowTitle: {\n ...super.getDefaultTitleCfg(),\n },\n });\n }\n\n public render() {\n super.render();\n\n if (this.cfg.showTitle) {\n this.renderTitle();\n }\n }\n\n /**\n * 生成矩阵分面的分面数据\n * @param data\n */\n protected generateFacets(data: Datum[]): RectData[] {\n const [columnField, rowField] = this.cfg.fields;\n\n const rst = [];\n let columnValuesLength = 1;\n let rowValuesLength = 1;\n\n let columnValues: string[] = [''];\n let rowValues: string[] = [''];\n\n if (columnField) {\n columnValues = this.getFieldValues(data, columnField);\n columnValuesLength = columnValues.length;\n }\n if (rowField) {\n rowValues = this.getFieldValues(data, rowField);\n rowValuesLength = rowValues.length;\n }\n\n // 获取每个维度对应的数据配置片段\n columnValues.forEach((xVal, xIndex) => {\n rowValues.forEach((yVal, yIndex) => {\n const conditions = [\n { field: columnField, value: xVal, values: columnValues },\n { field: rowField, value: yVal, values: rowValues },\n ];\n const facetData = filter(data, this.getFacetDataFilter(conditions));\n\n const facet: RectData = {\n type: this.cfg.type,\n data: facetData,\n region: this.getRegion(rowValuesLength, columnValuesLength, xIndex, yIndex),\n\n columnValue: xVal,\n rowValue: yVal,\n columnField,\n rowField,\n columnIndex: xIndex,\n rowIndex: yIndex,\n columnValuesLength,\n rowValuesLength,\n };\n rst.push(facet);\n });\n });\n\n return rst;\n }\n\n private renderTitle(): void {\n each(this.facets, (facet: RectData, facetIndex: number) => {\n const { columnIndex, rowIndex, columnValuesLength, columnValue, rowValue, view } = facet;\n\n // top\n if (rowIndex === 0) {\n const formatter = get(this.cfg.columnTitle, 'formatter');\n const config = deepMix(\n {\n position: ['50%', '0%'] as [string, string],\n content: formatter ? formatter(columnValue) : columnValue,\n },\n getFactTitleConfig(DIRECTION.TOP),\n this.cfg.columnTitle\n );\n\n view.annotation().text(config);\n }\n // right\n if (columnIndex === columnValuesLength - 1) {\n const formatter = get(this.cfg.rowTitle, 'formatter');\n const config = deepMix(\n {\n position: ['100%', '50%'] as [string, string],\n content: formatter ? formatter(rowValue) : rowValue,\n },\n getFactTitleConfig(DIRECTION.RIGHT),\n this.cfg.rowTitle\n );\n\n view.annotation().text(config);\n }\n });\n }\n\n /**\n * 设置 x 坐标轴的文本、title 是否显示\n * @param x\n * @param axes\n * @param option\n * @param facet\n */\n protected getXAxisOption(x: string, axes: any, option: AxisCfg, facet: RectData): object {\n // 非最后一行\n if (facet.rowIndex !== facet.rowValuesLength - 1) {\n return {\n ...option,\n title: null,\n label: null,\n };\n } else if (facet.columnIndex !== Math.floor((facet.columnValuesLength - 1) / 2)) {\n // 不是中间列\n return {\n ...option,\n title: null,\n };\n }\n return option;\n }\n\n /**\n * 设置 y 坐标轴的文本、title 是否显示\n * @param y\n * @param axes\n * @param option\n * @param facet\n */\n protected getYAxisOption(y: string, axes: any, option: AxisCfg, facet: RectData): object {\n if (facet.columnIndex !== 0) {\n return {\n ...option,\n title: null,\n label: null,\n };\n } else if (facet.rowIndex !== Math.floor((facet.rowValuesLength - 1) / 2)) {\n return {\n ...option,\n title: null,\n };\n }\n return option;\n }\n}\n"]} |