@nova-ui/charts
Version:
Nova Charts is a library created to provide potential consumers with solutions for various data visualizations that conform with the Nova Design Language. It's designed to solve common patterns identified by UX designers, but also be very flexible so that
156 lines • 24.7 kB
JavaScript
// © 2022 SolarWinds Worldwide, LLC. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
import cloneDeep from "lodash/cloneDeep";
import { INTERACTION_DATA_POINTS_EVENT, MOUSE_ACTIVE_EVENT, } from "../../constants";
import { XYGridConfig } from "../../core/grid/config/xy-grid-config";
import { Chart } from "../chart";
import { ChartAssist } from "./chart-assist";
import { ChartPalette } from "../common/palette/chart-palette";
import { CHART_MARKERS, CHART_PALETTE_CS1 } from "../common/palette/palettes";
import { SequentialChartMarkerProvider } from "../common/palette/sequential-chart-marker-provider";
import { InteractionType, } from "../common/types";
import { UtilityService } from "../common/utility.service";
import { sparkChartGridConfig } from "../grid/config/spark-chart-grid-config";
import { XYGrid } from "../grid/xy-grid";
import { InteractionLabelPlugin } from "../plugins/interaction/interaction-label-plugin";
import { InteractionLinePlugin } from "../plugins/interaction/interaction-line-plugin";
/**
* Chart assist implementation to be used with spark charts
*/
export class SparkChartAssist {
showBottomAxis;
showTopBorder;
palette;
markers;
/** Collection of ISpark objects */
sparks = [];
/** Used for keeping tabs on the legend's active state */
isLegendActive = false;
/** Grid config for all sparks except the last (bottom) one */
gridConfig;
/** Grid config for the last (bottom) spark */
lastGridConfig;
highlightedDataPoints = {};
constructor(showBottomAxis = true, showTopBorder = true, palette = new ChartPalette(CHART_PALETTE_CS1), markers = new SequentialChartMarkerProvider(CHART_MARKERS)) {
this.showBottomAxis = showBottomAxis;
this.showTopBorder = showTopBorder;
this.palette = palette;
this.markers = markers;
this.gridConfig = sparkChartGridConfig(new XYGridConfig(), false, showTopBorder);
this.gridConfig.interactionPlugins = false;
this.lastGridConfig = sparkChartGridConfig(new XYGridConfig(), showBottomAxis, showTopBorder);
this.lastGridConfig.interactionPlugins = false;
}
/**
* Use this method to update the set of sparks if they all consist of only one series.
* If one or more sparks has multiple series use the updateSparks method instead.
*
* See {@link IChartAssist#update}
*/
update(inputSeriesSet) {
const sparks = inputSeriesSet.map((chartSeries) => ({
id: chartSeries.id,
chartSeriesSet: [chartSeries],
}));
this.updateSparks(sparks);
}
/**
* Use this method to update the set of sparks if any of them consist of more than one series.
*
* @param {ISpark<IAccessors>[]} sparks The collection of sparks to update
*/
updateSparks(sparks) {
const inputSparks = cloneDeep(sparks);
this.sparks = inputSparks.map((spark, index) => {
const lastSpark = index === inputSparks.length - 1;
const existingSparkIndex = spark.id
? this.sparks.findIndex((existingSpark) => existingSpark.id === spark.id)
: -1;
if (existingSparkIndex !== -1) {
spark.chart = this.reconfigureChart(this.sparks[existingSparkIndex].chart, lastSpark);
}
else {
spark.chart = spark.chart || this.createChart(lastSpark);
spark.id = spark.id || UtilityService.uuid();
}
spark.chart.update(spark.chartSeriesSet);
return spark;
});
}
/** See {@link IChartAssist#getHighlightedValue} */
getHighlightedValue(chartSeries, scaleKey, formatterName) {
return ChartAssist.getLabel(chartSeries, this.highlightedDataPoints[chartSeries.id], scaleKey, formatterName);
}
/**
* To use the for-cycle trackBy, set the id value on each spark
* and assign this function to the ngFor trackBy property
*/
trackByFn(_index, spark) {
return spark?.id;
}
setRenderState(_seriesId, _state) {
// not used
}
getVisibleSeriesWithLegend() {
return [];
}
createChart(lastSpark) {
const grid = new XYGrid(lastSpark ? this.lastGridConfig : this.gridConfig);
const chart = new Chart(grid);
if (this.showTopBorder || this.showBottomAxis) {
chart.addPlugin(new InteractionLinePlugin());
}
if (lastSpark && this.showBottomAxis) {
chart.addPlugin(new InteractionLabelPlugin());
}
this.configureEventSubscriptions(chart.getEventBus());
return chart;
}
configureEventSubscriptions(eventBus) {
eventBus.getStream(INTERACTION_DATA_POINTS_EVENT).subscribe((event) => {
if (event.data.interactionType === InteractionType.MouseMove) {
const dataPoints = event.data.dataPoints;
Object.keys(dataPoints).forEach((seriesId) => {
this.highlightedDataPoints[seriesId] = Object.assign({}, dataPoints[seriesId]);
});
}
});
eventBus.getStream(MOUSE_ACTIVE_EVENT).subscribe((event) => {
this.isLegendActive = event.data;
});
}
reconfigureChart(chart, lastSpark) {
chart
.getGrid()
.config(lastSpark ? this.lastGridConfig : this.gridConfig);
chart.updateDimensions();
const hasInteractionLabel = chart.hasPlugin(InteractionLabelPlugin);
if (lastSpark && !hasInteractionLabel && this.showBottomAxis) {
const labelPlugin = new InteractionLabelPlugin();
chart.addPlugin(labelPlugin);
labelPlugin.initialize();
}
else if (!lastSpark && hasInteractionLabel) {
chart.removePlugin(InteractionLabelPlugin);
}
return chart;
}
}
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All rights reserved.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n//  of this software and associated documentation files (the \"Software\"), to\n//  deal in the Software without restriction, including without limitation the\n//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n//  sell copies of the Software, and to permit persons to whom the Software is\n//  furnished to do so, subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in\n//  all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n//  THE SOFTWARE.\n\nimport cloneDeep from \"lodash/cloneDeep\";\n\nimport {\n    INTERACTION_DATA_POINTS_EVENT,\n    MOUSE_ACTIVE_EVENT,\n} from \"../../constants\";\nimport { XYGridConfig } from \"../../core/grid/config/xy-grid-config\";\nimport { RenderState } from \"../../renderers/types\";\nimport { Chart } from \"../chart\";\nimport { ChartAssist } from \"./chart-assist\";\nimport { IChartAssist, ISpark } from \"./types\";\nimport { EventBus } from \"../common/event-bus\";\nimport { ChartPalette } from \"../common/palette/chart-palette\";\nimport { CHART_MARKERS, CHART_PALETTE_CS1 } from \"../common/palette/palettes\";\nimport { SequentialChartMarkerProvider } from \"../common/palette/sequential-chart-marker-provider\";\nimport {\n    IAccessors,\n    IChartAssistSeries,\n    IChartEvent,\n    IChartMarker,\n    IChartPalette,\n    IChartSeries,\n    IDataPointsPayload,\n    InteractionType,\n    IValueProvider,\n} from \"../common/types\";\nimport { UtilityService } from \"../common/utility.service\";\nimport { sparkChartGridConfig } from \"../grid/config/spark-chart-grid-config\";\nimport { XYGrid } from \"../grid/xy-grid\";\nimport { InteractionLabelPlugin } from \"../plugins/interaction/interaction-label-plugin\";\nimport { InteractionLinePlugin } from \"../plugins/interaction/interaction-line-plugin\";\n\n/**\n * Chart assist implementation to be used with spark charts\n */\nexport class SparkChartAssist implements IChartAssist {\n    /** Collection of ISpark objects */\n    public sparks: ISpark<IAccessors>[] = [];\n    /** Used for keeping tabs on the legend's active state */\n    public isLegendActive = false;\n    /** Grid config for all sparks except the last (bottom) one */\n    public readonly gridConfig: XYGridConfig;\n    /** Grid config for the last (bottom) spark */\n    public readonly lastGridConfig: XYGridConfig;\n\n    public highlightedDataPoints: IDataPointsPayload = {};\n\n    constructor(\n        public readonly showBottomAxis = true,\n        public readonly showTopBorder = true,\n        public palette: IChartPalette = new ChartPalette(CHART_PALETTE_CS1),\n        public markers: IValueProvider<IChartMarker> = new SequentialChartMarkerProvider(\n            CHART_MARKERS\n        )\n    ) {\n        this.gridConfig = sparkChartGridConfig(\n            new XYGridConfig(),\n            false,\n            showTopBorder\n        );\n        this.gridConfig.interactionPlugins = false;\n\n        this.lastGridConfig = sparkChartGridConfig(\n            new XYGridConfig(),\n            showBottomAxis,\n            showTopBorder\n        );\n        this.lastGridConfig.interactionPlugins = false;\n    }\n\n    /**\n     * Use this method to update the set of sparks if they all consist of only one series.\n     * If one or more sparks has multiple series use the updateSparks method instead.\n     *\n     * See {@link IChartAssist#update}\n     */\n    public update(inputSeriesSet: IChartAssistSeries<IAccessors>[]): void {\n        const sparks = inputSeriesSet.map((chartSeries) => ({\n            id: chartSeries.id,\n            chartSeriesSet: [chartSeries],\n        }));\n        this.updateSparks(sparks);\n    }\n\n    /**\n     * Use this method to update the set of sparks if any of them consist of more than one series.\n     *\n     * @param {ISpark<IAccessors>[]} sparks The collection of sparks to update\n     */\n    public updateSparks(sparks: ISpark<IAccessors>[]): void {\n        const inputSparks = cloneDeep(sparks);\n        this.sparks = inputSparks.map((spark, index): ISpark<IAccessors> => {\n            const lastSpark = index === inputSparks.length - 1;\n            const existingSparkIndex = spark.id\n                ? this.sparks.findIndex(\n                      (existingSpark) => existingSpark.id === spark.id\n                  )\n                : -1;\n            if (existingSparkIndex !== -1) {\n                spark.chart = this.reconfigureChart(\n                    this.sparks[existingSparkIndex].chart as Chart,\n                    lastSpark\n                );\n            } else {\n                spark.chart = spark.chart || this.createChart(lastSpark);\n                spark.id = spark.id || UtilityService.uuid();\n            }\n\n            spark.chart.update(spark.chartSeriesSet);\n\n            return spark;\n        });\n    }\n\n    /** See {@link IChartAssist#getHighlightedValue} */\n    public getHighlightedValue(\n        chartSeries: IChartSeries<IAccessors>,\n        scaleKey: string,\n        formatterName?: string\n    ): string | number {\n        return ChartAssist.getLabel(\n            chartSeries,\n            this.highlightedDataPoints[chartSeries.id],\n            scaleKey,\n            formatterName\n        );\n    }\n\n    /**\n     * To use the for-cycle trackBy, set the id value on each spark\n     * and assign this function to the ngFor trackBy property\n     */\n    public trackByFn(\n        _index: number,\n        spark: ISpark<IAccessors>\n    ): string | undefined {\n        return spark?.id;\n    }\n\n    public setRenderState(_seriesId: string, _state: RenderState): void {\n        // not used\n    }\n\n    public getVisibleSeriesWithLegend(): IChartAssistSeries<IAccessors>[] {\n        return [];\n    }\n\n    protected createChart(lastSpark: boolean): Chart {\n        const grid = new XYGrid(\n            lastSpark ? this.lastGridConfig : this.gridConfig\n        );\n        const chart = new Chart(grid);\n\n        if (this.showTopBorder || this.showBottomAxis) {\n            chart.addPlugin(new InteractionLinePlugin());\n        }\n        if (lastSpark && this.showBottomAxis) {\n            chart.addPlugin(new InteractionLabelPlugin());\n        }\n\n        this.configureEventSubscriptions(chart.getEventBus());\n\n        return chart;\n    }\n\n    private configureEventSubscriptions(eventBus: EventBus<IChartEvent>): void {\n        eventBus.getStream(INTERACTION_DATA_POINTS_EVENT).subscribe((event) => {\n            if (event.data.interactionType === InteractionType.MouseMove) {\n                const dataPoints = <IDataPointsPayload>event.data.dataPoints;\n                Object.keys(dataPoints).forEach((seriesId) => {\n                    this.highlightedDataPoints[seriesId] = Object.assign(\n                        {},\n                        dataPoints[seriesId]\n                    );\n                });\n            }\n        });\n        eventBus.getStream(MOUSE_ACTIVE_EVENT).subscribe((event) => {\n            this.isLegendActive = event.data;\n        });\n    }\n\n    private reconfigureChart(chart: Chart, lastSpark: boolean): Chart {\n        chart\n            .getGrid()\n            .config(lastSpark ? this.lastGridConfig : this.gridConfig);\n        chart.updateDimensions();\n\n        const hasInteractionLabel = chart.hasPlugin(InteractionLabelPlugin);\n        if (lastSpark && !hasInteractionLabel && this.showBottomAxis) {\n            const labelPlugin = new InteractionLabelPlugin();\n            chart.addPlugin(labelPlugin);\n            labelPlugin.initialize();\n        } else if (!lastSpark && hasInteractionLabel) {\n            chart.removePlugin(InteractionLabelPlugin);\n        }\n\n        return chart;\n    }\n}\n"]}