@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
136 lines • 21.1 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 { event, mouse } from "d3-selection";
import { BehaviorSubject } from "rxjs";
import { InteractionType } from "./types";
import { IGNORE_INTERACTION_CLASS } from "../../constants";
/**
* @ignore
*/
export class MouseInteractiveArea {
target;
interactiveArea;
gridMargin;
static CONTAINER_CLASS = "mouse-interactive-area";
active = new BehaviorSubject(false);
interaction = new BehaviorSubject({
type: InteractionType.Click,
coordinates: { x: 0, y: 0 },
});
isActive = false;
constructor(target, interactiveArea, cursor, gridMargin) {
this.target = target;
this.interactiveArea = interactiveArea;
this.gridMargin = gridMargin;
this.interactiveArea
.style("cursor", cursor)
.classed(MouseInteractiveArea.CONTAINER_CLASS, true);
this.target
.on("mouseover", this.onMouseOver)
.on("mouseout", this.onMouseOut)
.on(InteractionType.MouseDown, () => this.onMouseInteraction(InteractionType.MouseDown))
.on(InteractionType.MouseUp, () => this.onMouseInteraction(InteractionType.MouseUp))
.on(InteractionType.MouseMove, () => this.onMouseInteraction(InteractionType.MouseMove))
.on(InteractionType.Click, () => this.onMouseInteraction(InteractionType.Click));
}
onMouseInteraction = (interactionType) => {
if (event.target.classList.contains(IGNORE_INTERACTION_CLASS)) {
return;
}
let x = 0, y = 0;
const interactiveAreaWidth = parseInt(this.interactiveArea.attr("width"), 10) || 0;
const interactiveAreaHeight = parseInt(this.interactiveArea.attr("height"), 10) || 0;
// Hack from https://stackoverflow.com/questions/7000190/detect-all-firefox-versions-in-js#comment28264971_7000222
const isFirefox = /firefox/i.test(navigator.userAgent);
// Hack from https://github.com/d3/d3-selection/issues/81#issuecomment-528321960
if (isFirefox) {
// this works in Firefox
// Note: Margin must be subtracted because of the transform that occurs in XYGrid.recalculateMargins
let calculatedX = x + event.offsetX - (this.gridMargin?.left || 0);
// clamp output to right or left side of interactive area if necessary
calculatedX =
calculatedX > interactiveAreaWidth
? interactiveAreaWidth
: calculatedX;
x = calculatedX < 0 ? 0 : calculatedX;
// Note: Margin must be subtracted because of the transform that occurs in XYGrid.recalculateMargins
let calculatedY = y + event.offsetY - (this.gridMargin?.top || 0);
// clamp output to top or bottom side of interactive area if necessary
calculatedY =
calculatedY > interactiveAreaHeight
? interactiveAreaHeight
: calculatedY;
y = calculatedY < 0 ? 0 : calculatedY;
}
else {
// this works in Chrome
const mouseOutput = mouse(event.currentTarget);
// clamp output to right or left side of interactive area if necessary
const calculatedX = mouseOutput[0] > interactiveAreaWidth
? interactiveAreaWidth
: mouseOutput[0];
x = calculatedX < 0 ? 0 : calculatedX;
// clamp output to top or bottom side of interactive area if necessary
const calculatedY = mouseOutput[1] > interactiveAreaHeight
? interactiveAreaHeight
: mouseOutput[1];
y = calculatedY < 0 ? 0 : calculatedY;
}
this.interaction.next({
type: interactionType,
coordinates: { x, y },
});
};
onMouseOver = () => {
if (this.isActive ||
event.target.classList.contains(IGNORE_INTERACTION_CLASS)) {
return;
}
this.isActive = true;
this.active.next(true);
};
onMouseOut = () => {
if (!this.isActive) {
return;
}
// we're leaving the element – where to? Maybe to a descendant of the lasagna container? If so, we're still active.
let relatedTarget = event.relatedTarget;
while (relatedTarget) {
// go up the parent chain and check – if we're still inside the lasagna container, that's an internal transition – ignore it
if (relatedTarget === this.target.node()) {
return;
}
relatedTarget = relatedTarget.parentNode;
}
this.isActive = false;
this.active.next(false);
};
// Remove in v12 - NUI-5827
/** @deprecated - Please use 'onMouseOver' instead */
onMouseEnter = () => {
this.onMouseOver();
};
// Remove in v12 - NUI-5827
/** @deprecated - Please use 'onMouseOut' instead */
onMouseLeave = () => {
this.onMouseOut();
};
}
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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 { event, mouse } from \"d3-selection\";\nimport { BehaviorSubject } from \"rxjs\";\n\nimport { D3Selection, IInteractionEvent, InteractionType } from \"./types\";\nimport { IGNORE_INTERACTION_CLASS } from \"../../constants\";\nimport { IAllAround } from \"../grid/types\";\n\n/**\n * @ignore\n */\nexport class MouseInteractiveArea<\n    TTarget extends D3Selection<SVGGElement> = D3Selection<SVGGElement>,\n    TInteractiveArea extends D3Selection<SVGRectElement> = D3Selection<SVGRectElement>\n> {\n    public static CONTAINER_CLASS = \"mouse-interactive-area\";\n\n    public readonly active = new BehaviorSubject<boolean>(false);\n    public readonly interaction = new BehaviorSubject<IInteractionEvent>({\n        type: InteractionType.Click,\n        coordinates: { x: 0, y: 0 },\n    });\n    private isActive = false;\n\n    constructor(\n        private target: TTarget,\n        private interactiveArea: TInteractiveArea,\n        cursor: string,\n        private gridMargin?: IAllAround<number>\n    ) {\n        this.interactiveArea\n            .style(\"cursor\", cursor)\n            .classed(MouseInteractiveArea.CONTAINER_CLASS, true);\n        this.target\n            .on(\"mouseover\", this.onMouseOver)\n            .on(\"mouseout\", this.onMouseOut)\n            .on(InteractionType.MouseDown, () =>\n                this.onMouseInteraction(InteractionType.MouseDown)\n            )\n            .on(InteractionType.MouseUp, () =>\n                this.onMouseInteraction(InteractionType.MouseUp)\n            )\n            .on(InteractionType.MouseMove, () =>\n                this.onMouseInteraction(InteractionType.MouseMove)\n            )\n            .on(InteractionType.Click, () =>\n                this.onMouseInteraction(InteractionType.Click)\n            );\n    }\n\n    public onMouseInteraction = (interactionType: InteractionType): void => {\n        if (event.target.classList.contains(IGNORE_INTERACTION_CLASS)) {\n            return;\n        }\n\n        let x: number = 0,\n            y: number = 0;\n        const interactiveAreaWidth =\n            parseInt(this.interactiveArea.attr(\"width\"), 10) || 0;\n        const interactiveAreaHeight =\n            parseInt(this.interactiveArea.attr(\"height\"), 10) || 0;\n\n        // Hack from https://stackoverflow.com/questions/7000190/detect-all-firefox-versions-in-js#comment28264971_7000222\n        const isFirefox = /firefox/i.test(navigator.userAgent);\n\n        // Hack from https://github.com/d3/d3-selection/issues/81#issuecomment-528321960\n        if (isFirefox) {\n            // this works in Firefox\n\n            // Note: Margin must be subtracted because of the transform that occurs in XYGrid.recalculateMargins\n            let calculatedX = x + event.offsetX - (this.gridMargin?.left || 0);\n\n            // clamp output to right or left side of interactive area if necessary\n            calculatedX =\n                calculatedX > interactiveAreaWidth\n                    ? interactiveAreaWidth\n                    : calculatedX;\n            x = calculatedX < 0 ? 0 : calculatedX;\n\n            // Note: Margin must be subtracted because of the transform that occurs in XYGrid.recalculateMargins\n            let calculatedY = y + event.offsetY - (this.gridMargin?.top || 0);\n\n            // clamp output to top or bottom side of interactive area if necessary\n            calculatedY =\n                calculatedY > interactiveAreaHeight\n                    ? interactiveAreaHeight\n                    : calculatedY;\n            y = calculatedY < 0 ? 0 : calculatedY;\n        } else {\n            // this works in Chrome\n\n            const mouseOutput = mouse(event.currentTarget);\n\n            // clamp output to right or left side of interactive area if necessary\n            const calculatedX =\n                mouseOutput[0] > interactiveAreaWidth\n                    ? interactiveAreaWidth\n                    : mouseOutput[0];\n            x = calculatedX < 0 ? 0 : calculatedX;\n\n            // clamp output to top or bottom side of interactive area if necessary\n            const calculatedY =\n                mouseOutput[1] > interactiveAreaHeight\n                    ? interactiveAreaHeight\n                    : mouseOutput[1];\n            y = calculatedY < 0 ? 0 : calculatedY;\n        }\n        this.interaction.next({\n            type: interactionType,\n            coordinates: { x, y },\n        });\n    };\n\n    public onMouseOver = (): void => {\n        if (\n            this.isActive ||\n            event.target.classList.contains(IGNORE_INTERACTION_CLASS)\n        ) {\n            return;\n        }\n\n        this.isActive = true;\n        this.active.next(true);\n    };\n\n    public onMouseOut = (): void => {\n        if (!this.isActive) {\n            return;\n        }\n\n        // we're leaving the element – where to? Maybe to a descendant of the lasagna container? If so, we're still active.\n        let relatedTarget = event.relatedTarget;\n        while (relatedTarget) {\n            // go up the parent chain and check – if we're still inside the lasagna container, that's an internal transition – ignore it\n            if (relatedTarget === this.target.node()) {\n                return;\n            }\n\n            relatedTarget = relatedTarget.parentNode;\n        }\n\n        this.isActive = false;\n        this.active.next(false);\n    };\n\n    // Remove in v12 - NUI-5827\n    /** @deprecated - Please use 'onMouseOver' instead */\n    public onMouseEnter = (): void => {\n        this.onMouseOver();\n    };\n\n    // Remove in v12 - NUI-5827\n    /** @deprecated - Please use 'onMouseOut' instead */\n    public onMouseLeave = (): void => {\n        this.onMouseOut();\n    };\n}\n"]}