@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
117 lines • 16.1 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 find from "lodash/find";
import isEmpty from "lodash/isEmpty";
import { Subject } from "rxjs";
import { takeUntil } from "rxjs/operators";
import { CHART_VIEW_STATUS_EVENT, INTERACTION_VALUES_EVENT, } from "../../../constants";
import { ChartPlugin } from "../../common/chart-plugin";
import { InteractionType, } from "../../common/types";
import { UtilityService } from "../../common/utility.service";
import { XYGrid } from "../../grid/xy-grid";
/**
* Draws a vertical line on the x-axis that corresponds to interaction position
*
* @class InteractionLinePlugin
* @extends {ChartPlugin}
*/
export class InteractionLinePlugin extends ChartPlugin {
static LAYER_NAME = "interaction-line";
isChartInView = false;
lastInteractionValuesPayload;
interactionLineLayer;
destroy$ = new Subject();
initialize() {
this.interactionLineLayer = this.chart.getGrid().getLasagna().addLayer({
name: "interaction-line",
order: 900,
clipped: true,
});
this.chart
.getEventBus()
.getStream(INTERACTION_VALUES_EVENT)
.pipe(takeUntil(this.destroy$))
.subscribe((event) => {
this.lastInteractionValuesPayload = event.data;
if (this.isChartInView) {
this.handleLineUpdate();
}
});
this.chart
.getEventBus()
.getStream(CHART_VIEW_STATUS_EVENT)
.pipe(takeUntil(this.destroy$))
.subscribe((event) => {
this.isChartInView = event.data.isChartInView;
if (this.isChartInView && this.lastInteractionValuesPayload) {
this.handleLineUpdate();
}
});
}
handleLineUpdate() {
const grid = this.chart.getGrid();
if (!(grid instanceof XYGrid)) {
throw new Error(`${InteractionLinePlugin.name} requires XYGrid`);
}
const scales = grid.scales;
if (this.lastInteractionValuesPayload.interactionType !==
InteractionType.MouseMove ||
isEmpty(scales)) {
return;
}
const xScale = find(scales["x"].index, { id: grid.bottomScaleId });
if (!xScale) {
throw new Error("xScale is not defined");
}
const xValue = UtilityService.getInteractionValues(this.lastInteractionValuesPayload.values.x, xScale.id);
this.updateLine(this.interactionLineLayer, xScale, xValue);
}
updateLine(layer, xScale, value) {
const data = [];
if (value) {
data.push(value);
}
const line = layer
.selectAll(`.${InteractionLinePlugin.LAYER_NAME}`)
.data(data);
const xFn = (d) => xScale.convert(d);
const attrs = {
class: InteractionLinePlugin.LAYER_NAME,
x1: xFn,
y1: 0,
x2: xFn,
y2: this.chart.getGrid().config().dimension.height(),
};
line.enter()
.append("line")
.merge(line)
.attrs(attrs);
line.exit().remove();
}
destroy() {
this.chart
.getGrid()
.getLasagna()
.removeLayer(InteractionLinePlugin.LAYER_NAME);
this.destroy$.next();
this.destroy$.complete();
}
}
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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 find from \"lodash/find\";\nimport isEmpty from \"lodash/isEmpty\";\nimport { Subject } from \"rxjs\";\nimport { takeUntil } from \"rxjs/operators\";\n\nimport {\n    CHART_VIEW_STATUS_EVENT,\n    INTERACTION_VALUES_EVENT,\n} from \"../../../constants\";\nimport { ChartPlugin } from \"../../common/chart-plugin\";\nimport { IScale } from \"../../common/scales/types\";\nimport {\n    D3Selection,\n    IChartEvent,\n    IChartViewStatusEventPayload,\n    InteractionType,\n} from \"../../common/types\";\nimport { UtilityService } from \"../../common/utility.service\";\nimport { XYGrid } from \"../../grid/xy-grid\";\nimport { IInteractionValuesPayload } from \"../types\";\n\n/**\n * Draws a vertical line on the x-axis that corresponds to interaction position\n *\n * @class InteractionLinePlugin\n * @extends {ChartPlugin}\n */\nexport class InteractionLinePlugin extends ChartPlugin {\n    public static LAYER_NAME = \"interaction-line\";\n\n    private isChartInView = false;\n    private lastInteractionValuesPayload: IInteractionValuesPayload;\n    private interactionLineLayer: D3Selection<SVGElement>;\n    private readonly destroy$ = new Subject<void>();\n\n    public initialize(): void {\n        this.interactionLineLayer = this.chart.getGrid().getLasagna().addLayer({\n            name: \"interaction-line\",\n            order: 900,\n            clipped: true,\n        });\n\n        this.chart\n            .getEventBus()\n            .getStream(INTERACTION_VALUES_EVENT)\n            .pipe(takeUntil(this.destroy$))\n            .subscribe((event: IChartEvent) => {\n                this.lastInteractionValuesPayload = event.data;\n                if (this.isChartInView) {\n                    this.handleLineUpdate();\n                }\n            });\n\n        this.chart\n            .getEventBus()\n            .getStream(CHART_VIEW_STATUS_EVENT)\n            .pipe(takeUntil(this.destroy$))\n            .subscribe((event: IChartEvent<IChartViewStatusEventPayload>) => {\n                this.isChartInView = event.data.isChartInView;\n                if (this.isChartInView && this.lastInteractionValuesPayload) {\n                    this.handleLineUpdate();\n                }\n            });\n    }\n\n    private handleLineUpdate() {\n        const grid = this.chart.getGrid();\n        if (!(grid instanceof XYGrid)) {\n            throw new Error(`${InteractionLinePlugin.name} requires XYGrid`);\n        }\n\n        const scales = grid.scales;\n        if (\n            this.lastInteractionValuesPayload.interactionType !==\n                InteractionType.MouseMove ||\n            isEmpty(scales)\n        ) {\n            return;\n        }\n\n        const xScale = find(scales[\"x\"].index, { id: grid.bottomScaleId });\n\n        if (!xScale) {\n            throw new Error(\"xScale is not defined\");\n        }\n\n        const xValue = UtilityService.getInteractionValues(\n            this.lastInteractionValuesPayload.values.x,\n            xScale.id\n        );\n\n        this.updateLine(this.interactionLineLayer, xScale, xValue);\n    }\n\n    private updateLine(layer: D3Selection, xScale: IScale<any>, value: any) {\n        const data = [];\n        if (value) {\n            data.push(value);\n        }\n        const line = layer\n            .selectAll(`.${InteractionLinePlugin.LAYER_NAME}`)\n            .data(data);\n\n        const xFn = (d: any) => xScale.convert(d);\n        const attrs = {\n            class: InteractionLinePlugin.LAYER_NAME,\n            x1: xFn,\n            y1: 0,\n            x2: xFn,\n            y2: this.chart.getGrid().config().dimension.height(),\n        };\n\n        line.enter()\n            .append(\"line\")\n            .merge(line as any)\n            .attrs(attrs);\n\n        line.exit().remove();\n    }\n\n    public destroy(): void {\n        this.chart\n            .getGrid()\n            .getLasagna()\n            .removeLayer(InteractionLinePlugin.LAYER_NAME);\n        this.destroy$.next();\n        this.destroy$.complete();\n    }\n}\n"]}