@nova-ui/bits
Version:
SolarWinds Nova Framework
190 lines • 27.9 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 { DOCUMENT } from "@angular/common";
import { Inject, Injectable } from "@angular/core";
import _isNil from "lodash/isNil";
import * as i0 from "@angular/core";
/**
* @dynamic
* @ignore
*/
export class PositionService {
constructor(document) {
this.document = document;
}
/**
* __Description:__
* Takes two HTMLElements (hostElement and targetElement) and calculates a position for the targetElement.
* @param hostElement If you want to display tooltip for some textbox, hostElement is textbox.
* @param targetElement Tooltip (or popover) element, for which position will be returned.
* @param placementAndAlign String in format "placement-align", e.g. "top-center".
* 'Placement' could be 'right', 'left', 'top' (default), 'bottom'. It defines how target will be placed
* to the host.
* 'Align' could be 'right', 'left', 'top', 'bottom' and 'center' (default). It defines whether one of the target's
* edges will be aligned to host's one. Be aware that horizontal placements need vertical alignment and vice verca.
* Possible values of 'placementAndAlign' could be: 'top' (the same as 'top-center'), 'top-right', 'left-bottom',
* 'bottom-left' etc.
* @param appendToBody Specifies whether target element is appended to the body.
* When not, service seeks for the first positioned parent of host.
* @returns Object literal { top:number, left:number } that contains
* coordinates for the top left corner of targetElement.
*/
getPosition(hostElement, targetElement, placementAndAlign, appendToBody) {
const placement = placementAndAlign.split("-")[0];
const align = placementAndAlign.split("-")[1];
let shiftByX;
let shiftByY;
const hostElementPosition = appendToBody
? this.offset(hostElement)
: this.position(hostElement);
switch (align) {
case "right":
shiftByX =
hostElementPosition.width - targetElement.offsetWidth;
shiftByY =
(hostElementPosition.height - targetElement.offsetHeight) /
2;
break;
case "left":
shiftByX = 0;
shiftByY =
(hostElementPosition.height - targetElement.offsetHeight) /
2;
break;
case "top":
shiftByX =
(hostElementPosition.width - targetElement.offsetWidth) / 2;
shiftByY = 0;
break;
case "bottom":
shiftByX =
(hostElementPosition.width - targetElement.offsetWidth) / 2;
shiftByY =
hostElementPosition.height - targetElement.offsetHeight;
break;
case "center":
default:
shiftByX =
(hostElementPosition.width - targetElement.offsetWidth) / 2;
shiftByY =
(hostElementPosition.height - targetElement.offsetHeight) /
2;
break;
}
let targetElementPosition;
switch (placement) {
case "right":
targetElementPosition = {
top: hostElementPosition.top + shiftByY,
left: hostElementPosition.left + hostElementPosition.width,
};
break;
case "left":
targetElementPosition = {
top: hostElementPosition.top + shiftByY,
left: hostElementPosition.left - targetElement.offsetWidth,
};
break;
case "bottom":
targetElementPosition = {
top: hostElementPosition.top + hostElementPosition.height,
left: hostElementPosition.left + shiftByX,
};
break;
case "top":
default:
targetElementPosition = {
top: hostElementPosition.top - targetElement.offsetHeight,
left: hostElementPosition.left + shiftByX,
};
break;
}
return targetElementPosition;
}
position(nativeElement) {
let offsetParentBoundingClientRect = { top: 0, left: 0 };
const elementBoundingClientRect = this.offset(nativeElement);
const offsetParentElement = this.parentOffsetEl(nativeElement);
if (offsetParentElement !== this.document) {
offsetParentBoundingClientRect = this.offset(offsetParentElement);
offsetParentBoundingClientRect.top +=
offsetParentElement.clientTop - offsetParentElement.scrollTop;
offsetParentBoundingClientRect.left +=
offsetParentElement.clientLeft - offsetParentElement.scrollLeft;
}
const boundingClientRect = nativeElement.getBoundingClientRect();
return {
width: boundingClientRect.width || nativeElement.offsetWidth,
height: boundingClientRect.height || nativeElement.offsetHeight,
top: elementBoundingClientRect.top -
offsetParentBoundingClientRect.top,
left: elementBoundingClientRect.left -
offsetParentBoundingClientRect.left,
};
}
offset(nativeElement) {
const boundingClientRect = nativeElement.getBoundingClientRect();
if (_isNil(this.document.defaultView)) {
throw new Error("Document defaultView is not available");
}
return {
width: boundingClientRect.width || nativeElement.offsetWidth,
height: boundingClientRect.height || nativeElement.offsetHeight,
top: boundingClientRect.top +
(this.document.defaultView.pageYOffset ||
this.document.documentElement.scrollTop),
left: boundingClientRect.left +
(this.document.defaultView.pageXOffset ||
this.document.documentElement.scrollLeft),
};
}
getStyle(nativeElement, cssProp) {
if (_isNil(this.document.defaultView)) {
throw new Error("Document defaultView is not available");
}
if (this.document.defaultView.getComputedStyle) {
return this.document.defaultView.getComputedStyle(nativeElement)[cssProp];
}
// finally try and get inline style
return nativeElement.style[cssProp];
}
isStaticPositioned(nativeElement) {
return ((this.getStyle(nativeElement, "position") || "static") === "static");
}
parentOffsetEl(nativeElement) {
let offsetParent = nativeElement.offsetParent || this.document;
while (offsetParent &&
offsetParent !== this.document &&
this.isStaticPositioned(offsetParent)) {
offsetParent = offsetParent.offsetParent;
}
return offsetParent || this.document;
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: PositionService, deps: [{ token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: PositionService, providedIn: "root" }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: PositionService, decorators: [{
type: Injectable,
args: [{ providedIn: "root" }]
}], ctorParameters: () => [{ type: Document, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }] });
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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 { DOCUMENT } from \"@angular/common\";\nimport { Inject, Injectable } from \"@angular/core\";\nimport _isNil from \"lodash/isNil\";\n\n/**\n * Service for calculating element's position (e.g. tooltip, popover).\n * For now has one public method 'getCoordinates' (see method description).\n */\n\ntype OurCSS = CSSStyleDeclaration & { [key: string]: any };\n\n/**\n * @dynamic\n * @ignore\n */\n@Injectable({ providedIn: \"root\" })\nexport class PositionService {\n    constructor(@Inject(DOCUMENT) private document: Document) {}\n    /**\n     * __Description:__\n     * Takes two HTMLElements (hostElement and targetElement) and calculates a position for the targetElement.\n     * @param  hostElement If you want to display tooltip for some textbox, hostElement is textbox.\n     * @param   targetElement Tooltip (or popover) element, for which position will be returned.\n     * @param   placementAndAlign String in format \"placement-align\", e.g. \"top-center\".\n     * 'Placement' could be 'right', 'left', 'top' (default), 'bottom'. It defines how target will be placed\n     * to the host.\n     * 'Align' could be 'right', 'left', 'top', 'bottom' and 'center' (default). It defines whether one of the target's\n     * edges will be aligned to host's one. Be aware that horizontal placements need vertical alignment and vice verca.\n     * Possible values of 'placementAndAlign' could be: 'top' (the same as 'top-center'), 'top-right', 'left-bottom',\n     * 'bottom-left' etc.\n     * @param   appendToBody Specifies whether target element is appended to the body.\n     * When not, service seeks for the first positioned parent of host.\n     * @returns Object literal { top:number, left:number } that contains\n     * coordinates for the top left corner of targetElement.\n     */\n    public getPosition(\n        hostElement: HTMLElement,\n        targetElement: HTMLElement,\n        placementAndAlign: string,\n        appendToBody?: boolean\n    ): { top: number; left: number } {\n        const placement = placementAndAlign.split(\"-\")[0];\n        const align = placementAndAlign.split(\"-\")[1];\n        let shiftByX: number;\n        let shiftByY: number;\n        const hostElementPosition = appendToBody\n            ? this.offset(hostElement)\n            : this.position(hostElement);\n        switch (align) {\n            case \"right\":\n                shiftByX =\n                    hostElementPosition.width - targetElement.offsetWidth;\n                shiftByY =\n                    (hostElementPosition.height - targetElement.offsetHeight) /\n                    2;\n                break;\n            case \"left\":\n                shiftByX = 0;\n                shiftByY =\n                    (hostElementPosition.height - targetElement.offsetHeight) /\n                    2;\n                break;\n            case \"top\":\n                shiftByX =\n                    (hostElementPosition.width - targetElement.offsetWidth) / 2;\n                shiftByY = 0;\n                break;\n            case \"bottom\":\n                shiftByX =\n                    (hostElementPosition.width - targetElement.offsetWidth) / 2;\n                shiftByY =\n                    hostElementPosition.height - targetElement.offsetHeight;\n                break;\n            case \"center\":\n            default:\n                shiftByX =\n                    (hostElementPosition.width - targetElement.offsetWidth) / 2;\n                shiftByY =\n                    (hostElementPosition.height - targetElement.offsetHeight) /\n                    2;\n                break;\n        }\n        let targetElementPosition: { top: number; left: number };\n        switch (placement) {\n            case \"right\":\n                targetElementPosition = {\n                    top: hostElementPosition.top + shiftByY,\n                    left: hostElementPosition.left + hostElementPosition.width,\n                };\n                break;\n            case \"left\":\n                targetElementPosition = {\n                    top: hostElementPosition.top + shiftByY,\n                    left: hostElementPosition.left - targetElement.offsetWidth,\n                };\n                break;\n            case \"bottom\":\n                targetElementPosition = {\n                    top: hostElementPosition.top + hostElementPosition.height,\n                    left: hostElementPosition.left + shiftByX,\n                };\n                break;\n            case \"top\":\n            default:\n                targetElementPosition = {\n                    top: hostElementPosition.top - targetElement.offsetHeight,\n                    left: hostElementPosition.left + shiftByX,\n                };\n                break;\n        }\n        return targetElementPosition;\n    }\n\n    private position(nativeElement: HTMLElement): {\n        width: number;\n        height: number;\n        top: number;\n        left: number;\n    } {\n        let offsetParentBoundingClientRect = { top: 0, left: 0 };\n        const elementBoundingClientRect = this.offset(nativeElement);\n        const offsetParentElement = this.parentOffsetEl(nativeElement);\n\n        if (offsetParentElement !== this.document) {\n            offsetParentBoundingClientRect = this.offset(offsetParentElement);\n            offsetParentBoundingClientRect.top +=\n                offsetParentElement.clientTop - offsetParentElement.scrollTop;\n            offsetParentBoundingClientRect.left +=\n                offsetParentElement.clientLeft - offsetParentElement.scrollLeft;\n        }\n\n        const boundingClientRect = nativeElement.getBoundingClientRect();\n\n        return {\n            width: boundingClientRect.width || nativeElement.offsetWidth,\n            height: boundingClientRect.height || nativeElement.offsetHeight,\n            top:\n                elementBoundingClientRect.top -\n                offsetParentBoundingClientRect.top,\n            left:\n                elementBoundingClientRect.left -\n                offsetParentBoundingClientRect.left,\n        };\n    }\n\n    private offset(nativeElement: any): {\n        width: number;\n        height: number;\n        top: number;\n        left: number;\n    } {\n        const boundingClientRect = nativeElement.getBoundingClientRect();\n        if (_isNil(this.document.defaultView)) {\n            throw new Error(\"Document defaultView is not available\");\n        }\n\n        return {\n            width: boundingClientRect.width || nativeElement.offsetWidth,\n            height: boundingClientRect.height || nativeElement.offsetHeight,\n            top:\n                boundingClientRect.top +\n                (this.document.defaultView.pageYOffset ||\n                    this.document.documentElement.scrollTop),\n            left:\n                boundingClientRect.left +\n                (this.document.defaultView.pageXOffset ||\n                    this.document.documentElement.scrollLeft),\n        };\n    }\n\n    private getStyle(nativeElement: HTMLElement, cssProp: string): string {\n        if (_isNil(this.document.defaultView)) {\n            throw new Error(\"Document defaultView is not available\");\n        }\n\n        if (this.document.defaultView.getComputedStyle) {\n            return (\n                this.document.defaultView.getComputedStyle(\n                    nativeElement\n                ) as OurCSS\n            )[cssProp];\n        }\n\n        // finally try and get inline style\n        return (nativeElement.style as OurCSS)[cssProp];\n    }\n\n    private isStaticPositioned(nativeElement: HTMLElement): boolean {\n        return (\n            (this.getStyle(nativeElement, \"position\") || \"static\") === \"static\"\n        );\n    }\n\n    private parentOffsetEl(nativeElement: HTMLElement): any {\n        let offsetParent: any = nativeElement.offsetParent || this.document;\n\n        while (\n            offsetParent &&\n            offsetParent !== this.document &&\n            this.isStaticPositioned(offsetParent)\n        ) {\n            offsetParent = offsetParent.offsetParent;\n        }\n\n        return offsetParent || this.document;\n    }\n}\n"]}