@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
149 lines • 25.3 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 { UtilService } from "@nova-ui/bits";
import { DATA_POINT_INTERACTION_RESET, INTERACTION_DATA_POINT_EVENT, } from "../constants";
import { DEFAULT_MARKER_INTERACTION_CONFIG } from "./constants";
import { isInRange } from "../core/common/scales/helpers/is-in-range";
import { InteractionType, } from "../core/common/types";
export class MarkerUtils {
/** The default class for the marker's container */
static DEFAULT_MARKER_CONTAINER_CLASS = "marker";
/** The class used for the marker's svg path */
static MARKER_PATH_CLASS = "marker-path";
/**
* This method impersonates marker related logic used in various renderers
*
* @param dataSeries
* @param scales
* @param dataPointIndex
* @param container
* @param rendererSubject
*/
static manageMarker(dataSeries, scales, dataPointIndex, container, rendererSubject, markerInteractionConfig = DEFAULT_MARKER_INTERACTION_CONFIG) {
if (!container) {
throw new Error("Container doesn't exist!");
}
if (dataSeries.data.length === 0) {
MarkerUtils.removeMarker(container);
return;
}
const accessors = dataSeries.accessors;
if (dataPointIndex < 0) {
dataPointIndex = dataSeries.data.length - 1;
}
const dataPoint = dataSeries.data[dataPointIndex];
if (!accessors.data?.x || !accessors.data.y) {
throw new Error("Color or marker are undefined");
}
const x = scales.x.convert(accessors.data.x(dataPoint, dataPointIndex, dataSeries.data, dataSeries));
const y = scales.y.convert(accessors.data.y(dataPoint, dataPointIndex, dataSeries.data, dataSeries));
if (typeof x !== "undefined" &&
typeof y !== "undefined" &&
isInRange(scales.x, x) &&
isInRange(scales.y, y)) {
const seriesId = dataSeries.id;
const dataPointInfo = {
index: dataPointIndex,
data: dataPoint,
seriesId: seriesId,
position: { x, y },
dataSeries,
};
if (!accessors.series?.marker || !accessors.series?.color) {
throw new Error("Color or marker are undefined");
}
MarkerUtils.drawMarker(dataPointInfo, accessors.series.marker(seriesId, dataSeries), accessors.series.color(seriesId, dataSeries), container, rendererSubject, MarkerUtils.DEFAULT_MARKER_CONTAINER_CLASS, markerInteractionConfig);
}
else {
MarkerUtils.removeMarker(container);
}
}
static drawMarker(dataPoint, marker, color, target, dataPointSubject, className = MarkerUtils.DEFAULT_MARKER_CONTAINER_CLASS, markerInteractionConfig = DEFAULT_MARKER_INTERACTION_CONFIG) {
let markerTarget = target.select(`g.${className}`);
const xCoord = dataPoint?.position?.x;
const yCoord = dataPoint?.position?.y;
const attrs = {
transform: `translate(${xCoord}, ${yCoord})`,
cursor: "crosshair",
};
const getPointerEventsClass = () => `${markerInteractionConfig.enabled ? " pointer-events" : ""}`;
const getPointerEventsClickClass = () => `${markerInteractionConfig.enabled &&
markerInteractionConfig.clickable
? " pointer-events-click"
: ""}`;
if (markerTarget.empty()) {
markerTarget = target
.append("g")
.classed(`${className}${getPointerEventsClass()}${getPointerEventsClickClass()}`, true);
}
marker.setColor(color);
markerTarget.attrs(attrs);
markerTarget.on("mouseenter", () => {
dataPointSubject.next({
eventName: INTERACTION_DATA_POINT_EVENT,
data: { interactionType: InteractionType.Hover, dataPoint },
});
});
markerTarget.on("mouseleave", () => {
dataPointSubject.next({
eventName: INTERACTION_DATA_POINT_EVENT,
data: {
interactionType: InteractionType.Hover,
dataPoint: {
...dataPoint,
index: DATA_POINT_INTERACTION_RESET,
},
},
});
});
markerTarget.on("click", () => {
dataPointSubject.next({
eventName: INTERACTION_DATA_POINT_EVENT,
data: { interactionType: InteractionType.Click, dataPoint },
});
});
if (!markerTarget
.selectAll("g > *")
.size() &&
markerTarget.node()) {
markerTarget
.node()
?.appendChild(UtilService.getSvgFromString(marker.getSvg()));
markerTarget
.select("path")
.classed(MarkerUtils.MARKER_PATH_CLASS, true);
}
const path = markerTarget
.select("path")
.node();
if (path && markerInteractionConfig.enabled) {
// Hack to accommodate existing Firefox hack in MouseInteractiveArea
const pathRect = path.getBoundingClientRect();
// 'x' in this case represents the absolute position of the left side of the marker
path.setAttribute("x", Math.ceil(dataPoint?.position?.x - pathRect.width / 2).toString());
// 'y' in this case represents the absolute position of the top side of the marker
path.setAttribute("y", Math.ceil(dataPoint?.position?.y - pathRect.height / 2).toString());
}
}
static removeMarker(target, className = MarkerUtils.DEFAULT_MARKER_CONTAINER_CLASS) {
target.select(`g.${className}`).remove();
}
}
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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 { Subject } from \"rxjs\";\n\nimport { UtilService } from \"@nova-ui/bits\";\n\nimport {\n    DATA_POINT_INTERACTION_RESET,\n    INTERACTION_DATA_POINT_EVENT,\n} from \"../constants\";\nimport { DEFAULT_MARKER_INTERACTION_CONFIG } from \"./constants\";\nimport { isInRange } from \"../core/common/scales/helpers/is-in-range\";\nimport { IXYScales } from \"../core/common/scales/types\";\nimport {\n    D3Selection,\n    IAccessors,\n    IChartMarker,\n    IDataPoint,\n    IDataSeries,\n    IInteractionDataPointEvent,\n    InteractionType,\n    IRendererEventPayload,\n} from \"../core/common/types\";\n\nexport class MarkerUtils {\n    /** The default class for the marker's container */\n    public static readonly DEFAULT_MARKER_CONTAINER_CLASS = \"marker\";\n\n    /** The class used for the marker's svg path */\n    public static readonly MARKER_PATH_CLASS = \"marker-path\";\n\n    /**\n     * This method impersonates marker related logic used in various renderers\n     *\n     * @param dataSeries\n     * @param scales\n     * @param dataPointIndex\n     * @param container\n     * @param rendererSubject\n     */\n    public static manageMarker(\n        dataSeries: IDataSeries<IAccessors>,\n        scales: IXYScales,\n        dataPointIndex: number,\n        container: D3Selection<SVGGElement>,\n        rendererSubject: Subject<IRendererEventPayload>,\n        markerInteractionConfig = DEFAULT_MARKER_INTERACTION_CONFIG\n    ): void {\n        if (!container) {\n            throw new Error(\"Container doesn't exist!\");\n        }\n\n        if (dataSeries.data.length === 0) {\n            MarkerUtils.removeMarker(container);\n            return;\n        }\n\n        const accessors = dataSeries.accessors;\n\n        if (dataPointIndex < 0) {\n            dataPointIndex = dataSeries.data.length - 1;\n        }\n\n        const dataPoint = dataSeries.data[dataPointIndex];\n\n        if (!accessors.data?.x || !accessors.data.y) {\n            throw new Error(\"Color or marker are undefined\");\n        }\n\n        const x = scales.x.convert(\n            accessors.data.x(\n                dataPoint,\n                dataPointIndex,\n                dataSeries.data,\n                dataSeries\n            )\n        );\n        const y = scales.y.convert(\n            accessors.data.y(\n                dataPoint,\n                dataPointIndex,\n                dataSeries.data,\n                dataSeries\n            )\n        );\n\n        if (\n            typeof x !== \"undefined\" &&\n            typeof y !== \"undefined\" &&\n            isInRange(scales.x, x) &&\n            isInRange(scales.y, y)\n        ) {\n            const seriesId = dataSeries.id;\n            const dataPointInfo: IDataPoint = {\n                index: dataPointIndex,\n                data: dataPoint,\n                seriesId: seriesId,\n                position: { x, y },\n                dataSeries,\n            };\n\n            if (!accessors.series?.marker || !accessors.series?.color) {\n                throw new Error(\"Color or marker are undefined\");\n            }\n\n            MarkerUtils.drawMarker(\n                dataPointInfo,\n                accessors.series.marker(seriesId, dataSeries),\n                accessors.series.color(seriesId, dataSeries),\n                container,\n                rendererSubject,\n                MarkerUtils.DEFAULT_MARKER_CONTAINER_CLASS,\n                markerInteractionConfig\n            );\n        } else {\n            MarkerUtils.removeMarker(container);\n        }\n    }\n\n    public static drawMarker(\n        dataPoint: IDataPoint,\n        marker: IChartMarker,\n        color: string,\n        target: D3Selection<SVGGElement>,\n        dataPointSubject: Subject<\n            IRendererEventPayload<IInteractionDataPointEvent>\n        >,\n        className: string = MarkerUtils.DEFAULT_MARKER_CONTAINER_CLASS,\n        markerInteractionConfig = DEFAULT_MARKER_INTERACTION_CONFIG\n    ): void {\n        let markerTarget: D3Selection | D3Selection<SVGGElement> =\n            target.select(`g.${className}`);\n        const xCoord = dataPoint?.position?.x;\n        const yCoord = dataPoint?.position?.y;\n        const attrs = {\n            transform: `translate(${xCoord}, ${yCoord})`,\n            cursor: \"crosshair\",\n        };\n\n        const getPointerEventsClass = () =>\n            `${markerInteractionConfig.enabled ? \" pointer-events\" : \"\"}`;\n        const getPointerEventsClickClass = () =>\n            `${\n                markerInteractionConfig.enabled &&\n                markerInteractionConfig.clickable\n                    ? \" pointer-events-click\"\n                    : \"\"\n            }`;\n\n        if (markerTarget.empty()) {\n            markerTarget = target\n                .append(\"g\")\n                .classed(\n                    `${className}${getPointerEventsClass()}${getPointerEventsClickClass()}`,\n                    true\n                );\n        }\n\n        marker.setColor(color);\n        markerTarget.attrs(attrs);\n\n        markerTarget.on(\"mouseenter\", () => {\n            dataPointSubject.next({\n                eventName: INTERACTION_DATA_POINT_EVENT,\n                data: { interactionType: InteractionType.Hover, dataPoint },\n            });\n        });\n        markerTarget.on(\"mouseleave\", () => {\n            dataPointSubject.next({\n                eventName: INTERACTION_DATA_POINT_EVENT,\n                data: {\n                    interactionType: InteractionType.Hover,\n                    dataPoint: {\n                        ...dataPoint,\n                        index: DATA_POINT_INTERACTION_RESET,\n                    },\n                },\n            });\n        });\n        markerTarget.on(\"click\", () => {\n            dataPointSubject.next({\n                eventName: INTERACTION_DATA_POINT_EVENT,\n                data: { interactionType: InteractionType.Click, dataPoint },\n            });\n        });\n\n        if (\n            !(<D3Selection<SVGGElement>>markerTarget)\n                .selectAll(\"g > *\")\n                .size() &&\n            markerTarget.node()\n        ) {\n            markerTarget\n                .node()\n                ?.appendChild(UtilService.getSvgFromString(marker.getSvg()));\n            (<D3Selection<SVGGElement>>markerTarget)\n                .select(\"path\")\n                .classed(MarkerUtils.MARKER_PATH_CLASS, true);\n        }\n\n        const path = (<D3Selection<SVGGElement>>markerTarget)\n            .select(\"path\")\n            .node() as HTMLElement;\n        if (path && markerInteractionConfig.enabled) {\n            // Hack to accommodate existing Firefox hack in MouseInteractiveArea\n            const pathRect = path.getBoundingClientRect();\n            // 'x' in this case represents the absolute position of the left side of the marker\n            path.setAttribute(\n                \"x\",\n                Math.ceil(\n                    (dataPoint?.position?.x as number) - pathRect.width / 2\n                ).toString()\n            );\n            // 'y' in this case represents the absolute position of the top side of the marker\n            path.setAttribute(\n                \"y\",\n                Math.ceil(\n                    (dataPoint?.position?.y as number) - pathRect.height / 2\n                ).toString()\n            );\n        }\n    }\n\n    public static removeMarker(\n        target: D3Selection<SVGGElement>,\n        className: string = MarkerUtils.DEFAULT_MARKER_CONTAINER_CLASS\n    ): void {\n        target.select(`g.${className}`).remove();\n    }\n}\n"]}