ngx-joyride
Version:
An Angular Tour (Joyride) library built entirely in Angular, without using any heavy external dependencies like Bootstrap or JQuery. From now on you can easily guide your users through your site showing them all the sections and features.
189 lines • 29.2 kB
JavaScript
import { Injectable, Inject, PLATFORM_ID } from '@angular/core';
import { isPlatformBrowser } from "@angular/common";
import * as i0 from "@angular/core";
import * as i1 from "./dom.service";
export class DocumentService {
constructor(DOMService, platformId) {
this.DOMService = DOMService;
if (!isPlatformBrowser(platformId)) {
return;
}
this.setDocumentHeight();
var doc = DOMService.getNativeDocument();
if (doc && !doc.elementsFromPoint) {
// IE 11 - Edge browsers
doc.elementsFromPoint = this.elementsFromPoint.bind(this);
}
}
getElementFixedTop(elementRef) {
return elementRef.nativeElement.getBoundingClientRect().top;
}
getElementFixedLeft(elementRef) {
return elementRef.nativeElement.getBoundingClientRect().left;
}
getElementAbsoluteTop(elementRef) {
const scrollOffsets = this.getScrollOffsets();
return (elementRef.nativeElement.getBoundingClientRect().top +
scrollOffsets.y);
}
getElementAbsoluteLeft(elementRef) {
const scrollOffsets = this.getScrollOffsets();
return (elementRef.nativeElement.getBoundingClientRect().left +
scrollOffsets.x);
}
setDocumentHeight() {
this.documentHeight = this.calculateDocumentHeight();
}
getDocumentHeight() {
return this.documentHeight;
}
isParentScrollable(elementRef) {
return (this.getFirstScrollableParent(elementRef.nativeElement) !==
this.DOMService.getNativeDocument().body);
}
isElementBeyondOthers(elementRef, isElementFixed, keywordToDiscard) {
const x1 = isElementFixed
? this.getElementFixedLeft(elementRef)
: this.getElementAbsoluteLeft(elementRef);
const y1 = isElementFixed
? this.getElementFixedTop(elementRef)
: this.getElementAbsoluteTop(elementRef);
const x2 = x1 + elementRef.nativeElement.getBoundingClientRect().width - 1;
const y2 = y1 + elementRef.nativeElement.getBoundingClientRect().height - 1;
const elements1 = this.DOMService.getNativeDocument().elementsFromPoint(x1, y1);
const elements2 = this.DOMService.getNativeDocument().elementsFromPoint(x2, y2);
if (elements1.length === 0 && elements2.length === 0)
return 1;
if (this.getFirstElementWithoutKeyword(elements1, keywordToDiscard) !==
elementRef.nativeElement ||
this.getFirstElementWithoutKeyword(elements2, keywordToDiscard) !==
elementRef.nativeElement) {
return 2;
}
return 3;
}
scrollIntoView(elementRef, isElementFixed) {
const firstScrollableParent = this.getFirstScrollableParent(elementRef.nativeElement);
const top = isElementFixed
? this.getElementFixedTop(elementRef)
: this.getElementAbsoluteTop(elementRef);
if (firstScrollableParent !== this.DOMService.getNativeDocument().body) {
if (firstScrollableParent.scrollTo) {
firstScrollableParent.scrollTo(0, top - 150);
}
else {
// IE 11 - Edge browsers
firstScrollableParent.scrollTop = top - 150;
}
}
else {
this.DOMService.getNativeWindow().scrollTo(0, top - 150);
}
}
scrollToTheTop(elementRef) {
const firstScrollableParent = this.getFirstScrollableParent(elementRef.nativeElement);
if (firstScrollableParent !== this.DOMService.getNativeDocument().body) {
if (firstScrollableParent.scrollTo) {
firstScrollableParent.scrollTo(0, 0);
}
else {
// IE 11 - Edge browsers
firstScrollableParent.scrollTop = 0;
}
}
else {
this.DOMService.getNativeWindow().scrollTo(0, 0);
}
}
scrollToTheBottom(elementRef) {
const firstScrollableParent = this.getFirstScrollableParent(elementRef.nativeElement);
if (firstScrollableParent !== this.DOMService.getNativeDocument().body) {
if (firstScrollableParent.scrollTo) {
firstScrollableParent.scrollTo(0, this.DOMService.getNativeDocument().body.scrollHeight);
}
else {
// IE 11 - Edge browsers
firstScrollableParent.scrollTop =
firstScrollableParent.scrollHeight -
firstScrollableParent.clientHeight;
}
}
else {
this.DOMService.getNativeWindow().scrollTo(0, this.DOMService.getNativeDocument().body.scrollHeight);
}
}
getFirstScrollableParent(node) {
const regex = /(auto|scroll|overlay)/;
const style = (node, prop) => this.DOMService.getNativeWindow()
.getComputedStyle(node, null)
.getPropertyValue(prop);
const scroll = (node) => regex.test(style(node, 'overflow') +
style(node, 'overflow-y') +
style(node, 'overflow-x'));
const scrollparent = (node) => {
return !node || node === this.DOMService.getNativeDocument().body
? this.DOMService.getNativeDocument().body
: scroll(node)
? node
: scrollparent(node.parentNode);
};
return scrollparent(node);
}
calculateDocumentHeight() {
const documentRef = this.DOMService.getNativeDocument();
return Math.max(documentRef.body.scrollHeight, documentRef.documentElement.scrollHeight, documentRef.body.offsetHeight, documentRef.documentElement.offsetHeight, documentRef.body.clientHeight, documentRef.documentElement.clientHeight);
}
getScrollOffsets() {
const winReference = this.DOMService.getNativeWindow();
const docReference = this.DOMService.getNativeDocument();
// This works for all browsers except IE versions 8 and before
if (winReference.pageXOffset != null)
return { x: winReference.pageXOffset, y: winReference.pageYOffset };
// For IE (or any browser) in Standards mode
if (docReference.compatMode == 'CSS1Compat')
return {
x: docReference.documentElement.scrollLeft,
y: docReference.documentElement.scrollTop
};
// For browsers in Quirks mode
return {
x: docReference.body.scrollLeft,
y: docReference.body.scrollTop
};
}
elementsFromPoint(x, y) {
var parents = [];
var parent = void 0;
do {
const elem = this.DOMService.getNativeDocument().elementFromPoint(x, y);
if (elem && parent !== elem) {
parent = elem;
parents.push(parent);
parent.style.pointerEvents = 'none';
}
else {
parent = false;
}
} while (parent);
parents.forEach(function (parent) {
return (parent.style.pointerEvents = 'all');
});
return parents;
}
getFirstElementWithoutKeyword(elements, keyword) {
while (elements[0] &&
elements[0].classList.toString().includes(keyword)) {
elements.shift();
}
return elements[0];
}
}
DocumentService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.1.1", ngImport: i0, type: DocumentService, deps: [{ token: i1.DomRefService }, { token: PLATFORM_ID }], target: i0.ɵɵFactoryTarget.Injectable });
DocumentService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "13.1.1", ngImport: i0, type: DocumentService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.1.1", ngImport: i0, type: DocumentService, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: i1.DomRefService }, { type: Object, decorators: [{
type: Inject,
args: [PLATFORM_ID]
}] }]; } });
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{ Injectable, ElementRef, Inject, PLATFORM_ID } from '@angular/core';\nimport { DomRefService } from './dom.service';\nimport { isPlatformBrowser } from \"@angular/common\";\n\nexport interface IDocumentService {\n    getElementFixedTop(elementRef: ElementRef): number;\n\n    getElementFixedLeft(elementRef: ElementRef);\n\n    getElementAbsoluteTop(elementRef: ElementRef);\n\n    getElementAbsoluteLeft(elementRef: ElementRef);\n\n    setDocumentHeight();\n\n    getDocumentHeight(): number;\n    isParentScrollable(elementRef: ElementRef): boolean;\n    isElementBeyondOthers(\n        elementRef: ElementRef,\n        isElementFixed: boolean,\n        keywordToDiscard: string\n    ): number;\n    scrollToTheTop(elementRef: ElementRef): void;\n    scrollToTheBottom(elementRef: ElementRef): void;\n}\n\n@Injectable()\nexport class DocumentService implements IDocumentService {\n    private documentHeight: number;\n\n    constructor(private readonly DOMService: DomRefService, @Inject(PLATFORM_ID) platformId: Object) {\n        if (!isPlatformBrowser(platformId)) {\n            return;\n        }\n        this.setDocumentHeight();\n        var doc = DOMService.getNativeDocument();\n        if (doc && !doc.elementsFromPoint) {\n            // IE 11 - Edge browsers\n            doc.elementsFromPoint = this.elementsFromPoint.bind(this);\n        }\n    }\n\n    getElementFixedTop(elementRef: ElementRef) {\n        return elementRef.nativeElement.getBoundingClientRect().top;\n    }\n\n    getElementFixedLeft(elementRef: ElementRef) {\n        return elementRef.nativeElement.getBoundingClientRect().left;\n    }\n\n    getElementAbsoluteTop(elementRef: ElementRef) {\n        const scrollOffsets = this.getScrollOffsets();\n        return (\n            elementRef.nativeElement.getBoundingClientRect().top +\n            scrollOffsets.y\n        );\n    }\n\n    getElementAbsoluteLeft(elementRef: ElementRef) {\n        const scrollOffsets = this.getScrollOffsets();\n        return (\n            elementRef.nativeElement.getBoundingClientRect().left +\n            scrollOffsets.x\n        );\n    }\n\n    setDocumentHeight() {\n        this.documentHeight = this.calculateDocumentHeight();\n    }\n\n    getDocumentHeight() {\n        return this.documentHeight;\n    }\n\n    isParentScrollable(elementRef: ElementRef): boolean {\n        return (\n            this.getFirstScrollableParent(elementRef.nativeElement) !==\n            this.DOMService.getNativeDocument().body\n        );\n    }\n\n    isElementBeyondOthers(\n        elementRef: ElementRef,\n        isElementFixed: boolean,\n        keywordToDiscard: string\n    ) {\n        const x1 = isElementFixed\n            ? this.getElementFixedLeft(elementRef)\n            : this.getElementAbsoluteLeft(elementRef);\n        const y1 = isElementFixed\n            ? this.getElementFixedTop(elementRef)\n            : this.getElementAbsoluteTop(elementRef);\n        const x2 =\n            x1 + elementRef.nativeElement.getBoundingClientRect().width - 1;\n        const y2 =\n            y1 + elementRef.nativeElement.getBoundingClientRect().height - 1;\n\n        const elements1 = this.DOMService.getNativeDocument().elementsFromPoint(\n            x1,\n            y1\n        );\n        const elements2 = this.DOMService.getNativeDocument().elementsFromPoint(\n            x2,\n            y2\n        );\n\n        if (elements1.length === 0 && elements2.length === 0) return 1;\n        if (\n            this.getFirstElementWithoutKeyword(elements1, keywordToDiscard) !==\n                elementRef.nativeElement ||\n            this.getFirstElementWithoutKeyword(elements2, keywordToDiscard) !==\n                elementRef.nativeElement\n        ) {\n            return 2;\n        }\n        return 3;\n    }\n\n    scrollIntoView(elementRef: ElementRef, isElementFixed: boolean): void {\n        const firstScrollableParent = this.getFirstScrollableParent(\n            elementRef.nativeElement\n        );\n        const top = isElementFixed\n            ? this.getElementFixedTop(elementRef)\n            : this.getElementAbsoluteTop(elementRef);\n        if (\n            firstScrollableParent !== this.DOMService.getNativeDocument().body\n        ) {\n            if (firstScrollableParent.scrollTo) {\n                firstScrollableParent.scrollTo(0, top - 150);\n            } else {\n                // IE 11 - Edge browsers\n                firstScrollableParent.scrollTop = top - 150;\n            }\n        } else {\n            this.DOMService.getNativeWindow().scrollTo(0, top - 150);\n        }\n    }\n\n    scrollToTheTop(elementRef: ElementRef): void {\n        const firstScrollableParent = this.getFirstScrollableParent(\n            elementRef.nativeElement\n        );\n        if (\n            firstScrollableParent !== this.DOMService.getNativeDocument().body\n        ) {\n            if (firstScrollableParent.scrollTo) {\n                firstScrollableParent.scrollTo(0, 0);\n            } else {\n                // IE 11 - Edge browsers\n                firstScrollableParent.scrollTop = 0;\n            }\n        } else {\n            this.DOMService.getNativeWindow().scrollTo(0, 0);\n        }\n    }\n\n    scrollToTheBottom(elementRef: ElementRef): void {\n        const firstScrollableParent = this.getFirstScrollableParent(\n            elementRef.nativeElement\n        );\n        if (\n            firstScrollableParent !== this.DOMService.getNativeDocument().body\n        ) {\n            if (firstScrollableParent.scrollTo) {\n                firstScrollableParent.scrollTo(\n                    0,\n                    this.DOMService.getNativeDocument().body.scrollHeight\n                );\n            } else {\n                // IE 11 - Edge browsers\n                firstScrollableParent.scrollTop =\n                    firstScrollableParent.scrollHeight -\n                    firstScrollableParent.clientHeight;\n            }\n        } else {\n            this.DOMService.getNativeWindow().scrollTo(\n                0,\n                this.DOMService.getNativeDocument().body.scrollHeight\n            );\n        }\n    }\n\n    private getFirstScrollableParent(node: any) {\n        const regex = /(auto|scroll|overlay)/;\n\n        const style = (node: any, prop: any) =>\n            this.DOMService.getNativeWindow()\n                .getComputedStyle(node, null)\n                .getPropertyValue(prop);\n\n        const scroll = (node: any) =>\n            regex.test(\n                style(node, 'overflow') +\n                    style(node, 'overflow-y') +\n                    style(node, 'overflow-x')\n            );\n\n        const scrollparent = (node: any): any => {\n            return !node || node === this.DOMService.getNativeDocument().body\n                ? this.DOMService.getNativeDocument().body\n                : scroll(node)\n                ? node\n                : scrollparent(node.parentNode);\n        };\n\n        return scrollparent(node);\n    }\n\n    private calculateDocumentHeight() {\n        const documentRef = this.DOMService.getNativeDocument();\n        return Math.max(\n            documentRef.body.scrollHeight,\n            documentRef.documentElement.scrollHeight,\n            documentRef.body.offsetHeight,\n            documentRef.documentElement.offsetHeight,\n            documentRef.body.clientHeight,\n            documentRef.documentElement.clientHeight\n        );\n    }\n\n    private getScrollOffsets() {\n        const winReference = this.DOMService.getNativeWindow();\n        const docReference = this.DOMService.getNativeDocument();\n\n        // This works for all browsers except IE versions 8 and before\n        if (winReference.pageXOffset != null)\n            return { x: winReference.pageXOffset, y: winReference.pageYOffset };\n\n        // For IE (or any browser) in Standards mode\n        if (docReference.compatMode == 'CSS1Compat')\n            return {\n                x: docReference.documentElement.scrollLeft,\n                y: docReference.documentElement.scrollTop\n            };\n\n        // For browsers in Quirks mode\n        return {\n            x: docReference.body.scrollLeft,\n            y: docReference.body.scrollTop\n        };\n    }\n\n    private elementsFromPoint(x, y) {\n        var parents = [];\n        var parent = void 0;\n        do {\n            const elem = this.DOMService.getNativeDocument().elementFromPoint(\n                x,\n                y\n            );\n            if (elem && parent !== elem) {\n                parent = elem;\n                parents.push(parent);\n                parent.style.pointerEvents = 'none';\n            } else {\n                parent = false;\n            }\n        } while (parent);\n        parents.forEach(function(parent) {\n            return (parent.style.pointerEvents = 'all');\n        });\n        return parents;\n    }\n\n    private getFirstElementWithoutKeyword(\n        elements: Element[],\n        keyword: string\n    ): Element {\n        while (\n            elements[0] &&\n            elements[0].classList.toString().includes(keyword)\n        ) {\n            elements.shift();\n        }\n        return elements[0];\n    }\n}\n"]}