@hxui/angular
Version:
An Angular library based on the [HXUI design system](https://hxui.io).
134 lines • 22.2 kB
JavaScript
import { Injectable, Injector } from '@angular/core';
import { Overlay, OverlayConfig } from '@angular/cdk/overlay';
import { InspectorOverlayRef } from './inspector-overlay.ref';
import { ComponentPortal, PortalInjector } from '@angular/cdk/portal';
import { FocusTrapFactory } from '@angular/cdk/a11y';
import { InspectorComponent } from './inspector.component';
import { InspectorSize } from './inspector-size.enum';
import { InspectorLocation } from "./inspector-location.enum";
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/overlay";
import * as i2 from "@angular/cdk/a11y";
const DEFAULT_CONFIG = {
hasBackdrop: true,
backdropClass: 'hx-modal-background',
closeOnBackdropClick: true,
panelClass: [],
hasClose: true
};
export class InspectorService {
constructor(injector, overlay, focusTrapFactory) {
this.injector = injector;
this.overlay = overlay;
this.focusTrapFactory = focusTrapFactory;
this.overlayCollection = [];
}
/**
* Create component dynamically
*/
open(component, config = {}, parameters) {
// Override default configuration
const inspectorConfig = { ...DEFAULT_CONFIG, ...config };
// Returns an OverlayRef (which is a PortalHost)
const overlayRef = this.createOverlay(inspectorConfig);
const inspectorRef = new InspectorOverlayRef(overlayRef);
// Create ComponentPortal that can be attached to a PortalHost
// and then attach ComponentPortal to PortalHost
const containerRef = this.attachInspectorContainer(component, overlayRef, inspectorConfig, inspectorRef, parameters);
// get reference to the inspector instance
const inspectorInstance = containerRef.instance;
// set size
inspectorInstance.size = (inspectorConfig.size && inspectorConfig.size === InspectorSize.Large) ? 'large' : 'small';
// set location
inspectorInstance.location = (inspectorConfig.location === InspectorLocation.Left) ? InspectorLocation.Left : InspectorLocation.Right;
// pass the @Input parameters to the instance
Object.assign(inspectorInstance.parameters, parameters);
// add reference to inspector component
inspectorRef.inspectorInstance = inspectorInstance;
// set close icon
inspectorInstance.hasClose = inspectorConfig.hasClose;
// Subscribe to a stream that emits when the backdrop was clicked
overlayRef.backdropClick().subscribe(_ => {
if (config.closeOnBackdropClick) {
inspectorRef.close();
}
inspectorRef.inspectorInstance.onBackdropClick();
});
// subscribe to events when close animation completes
inspectorInstance.onSlideOutComplete$.subscribe(_ => {
overlayRef.dispose();
this.overlayCollection.pop();
const lastInspector = this.overlayCollection[this.overlayCollection.length - 1];
if (lastInspector) {
lastInspector.inspectorInstance.size = lastInspector.inspectorInstance.previousSize;
lastInspector.inspectorInstance.hideClose = false;
}
});
// subscribe to events when open animation starts
inspectorInstance.onSlideInStart$.subscribe(_ => {
if (this.overlayCollection.length > 1) {
const previousInspector = this.overlayCollection[this.overlayCollection.length - 2];
previousInspector.inspectorInstance.previousSize = previousInspector.inspectorInstance.size;
const offsetSize = (previousInspector.inspectorInstance.size === previousInspector.inspectorInstance.sizes[InspectorSize.Small] && inspectorInstance.size === inspectorInstance.sizes[InspectorSize.Small]) ? InspectorSize.Offset : InspectorSize.FullWidth;
previousInspector.resize(offsetSize);
previousInspector.inspectorInstance.hideClose = true;
}
});
// create and manage focus trap
this.componentNativeElement = containerRef.location.nativeElement;
this.trapFocus();
// assign inspector ref
this.overlayCollection.push(inspectorRef);
return inspectorRef;
}
createOverlay(config) {
// Returns an OverlayConfig
const overlayConfig = this.getOverlayConfig(config);
// Returns an OverlayRef
return this.overlay.create(overlayConfig);
}
getOverlayConfig(config) {
const positionStrategy = this.overlay.position()
.global()
.centerHorizontally();
if (config.location === InspectorLocation.Left) {
positionStrategy.left('0');
}
else {
positionStrategy.right('0');
}
const overlayConfig = new OverlayConfig({
hasBackdrop: config.hasBackdrop,
backdropClass: config.backdropClass,
panelClass: config.panelClass,
scrollStrategy: this.overlay.scrollStrategies.block(),
positionStrategy
});
return overlayConfig;
}
createOverlayInjector(inspectorRef) {
// Instantiate new WeakMap for our custom injection tokens
const injectionTokens = new WeakMap();
// Set custom injection tokens
injectionTokens.set(InspectorOverlayRef, inspectorRef);
// Instantiate new PortalInjector
return new PortalInjector(this.injector, injectionTokens);
}
attachInspectorContainer(component, overlayRef, config, inspectorRef, parameters) {
const injector = this.createOverlayInjector(inspectorRef);
const containerPortal = new ComponentPortal(InspectorComponent, null, injector);
const containerRef = overlayRef.attach(containerPortal);
containerRef.instance.componentPortal = new ComponentPortal(component);
return containerRef;
}
trapFocus() {
this.focusTrap = this.focusTrapFactory.create(this.componentNativeElement);
this.focusTrap.focusInitialElementWhenReady();
}
}
InspectorService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.3.11", ngImport: i0, type: InspectorService, deps: [{ token: i0.Injector }, { token: i1.Overlay }, { token: i2.FocusTrapFactory }], target: i0.ɵɵFactoryTarget.Injectable });
InspectorService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "13.3.11", ngImport: i0, type: InspectorService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.3.11", ngImport: i0, type: InspectorService, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: i0.Injector }, { type: i1.Overlay }, { type: i2.FocusTrapFactory }]; } });
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{ComponentRef, Injectable, Injector} from '@angular/core';\r\nimport {Overlay, OverlayConfig, OverlayRef} from '@angular/cdk/overlay';\r\nimport {InspectorOverlayRef} from './inspector-overlay.ref';\r\nimport {ComponentPortal, PortalInjector} from '@angular/cdk/portal';\r\nimport {FocusTrapFactory} from '@angular/cdk/a11y';\r\nimport {InspectorComponent} from './inspector.component';\r\nimport {InspectorSize} from './inspector-size.enum';\r\nimport {InspectorLocation} from \"./inspector-location.enum\";\r\n\r\ninterface InspectorConfig {\r\n  panelClass?: string | string[];\r\n  hasBackdrop?: boolean;\r\n  backdropClass?: string;\r\n  closeOnBackdropClick?: boolean;\r\n  size?: InspectorSize;\r\n  location?: InspectorLocation;\r\n  hasClose?: boolean;\r\n}\r\n\r\nconst DEFAULT_CONFIG: InspectorConfig = {\r\n  hasBackdrop: true,\r\n  backdropClass: 'hx-modal-background',\r\n  closeOnBackdropClick: true,\r\n  panelClass: [],\r\n  hasClose: true\r\n};\r\n\r\n@Injectable()\r\nexport class InspectorService {\r\n\r\n  private focusTrap;\r\n  private componentNativeElement;\r\n  private overlayCollection: InspectorOverlayRef[] = [];\r\n\r\n  constructor(\r\n    private injector: Injector,\r\n    private overlay: Overlay,\r\n    private focusTrapFactory: FocusTrapFactory\r\n  ) {}\r\n\r\n\r\n  /**\r\n   * Create component dynamically\r\n   */\r\n  open(component: any, config: InspectorConfig = {}, parameters?: Object): InspectorOverlayRef {\r\n\r\n    // Override default configuration\r\n    const inspectorConfig = { ...DEFAULT_CONFIG, ...config };\r\n\r\n    // Returns an OverlayRef (which is a PortalHost)\r\n    const overlayRef = this.createOverlay(inspectorConfig);\r\n\r\n    const inspectorRef = new InspectorOverlayRef(overlayRef);\r\n\r\n    // Create ComponentPortal that can be attached to a PortalHost\r\n    // and then attach ComponentPortal to PortalHost\r\n    const containerRef = this.attachInspectorContainer(component, overlayRef, inspectorConfig, inspectorRef, parameters);\r\n\r\n    // get reference to the inspector instance\r\n    const inspectorInstance = containerRef.instance;\r\n\r\n    // set size\r\n    inspectorInstance.size = (inspectorConfig.size && inspectorConfig.size === InspectorSize.Large) ? 'large' : 'small';\r\n\r\n    // set location\r\n    inspectorInstance.location = (inspectorConfig.location === InspectorLocation.Left) ? InspectorLocation.Left : InspectorLocation.Right;\r\n\r\n    // pass the @Input parameters to the instance\r\n    Object.assign(inspectorInstance.parameters, parameters);\r\n\r\n    // add reference to inspector component\r\n    inspectorRef.inspectorInstance = inspectorInstance;\r\n\r\n    // set close icon\r\n    inspectorInstance.hasClose = inspectorConfig.hasClose\r\n\r\n    // Subscribe to a stream that emits when the backdrop was clicked\r\n    overlayRef.backdropClick().subscribe(_ => {\r\n      if(config.closeOnBackdropClick){\r\n        inspectorRef.close();\r\n      }\r\n      inspectorRef.inspectorInstance.onBackdropClick();\r\n    });\r\n\r\n    // subscribe to events when close animation completes\r\n    inspectorInstance.onSlideOutComplete$.subscribe(_ => {\r\n      overlayRef.dispose();\r\n      this.overlayCollection.pop();\r\n        const lastInspector = this.overlayCollection[this.overlayCollection.length - 1];\r\n        if (lastInspector) {\r\n          lastInspector.inspectorInstance.size = lastInspector.inspectorInstance.previousSize;\r\n          lastInspector.inspectorInstance.hideClose = false;\r\n        }\r\n    });\r\n\r\n    // subscribe to events when open animation starts\r\n    inspectorInstance.onSlideInStart$.subscribe(_ => {\r\n      if (this.overlayCollection.length > 1) {\r\n        const previousInspector = this.overlayCollection[this.overlayCollection.length - 2];\r\n        previousInspector.inspectorInstance.previousSize = previousInspector.inspectorInstance.size;\r\n        const offsetSize = (previousInspector.inspectorInstance.size === previousInspector.inspectorInstance.sizes[InspectorSize.Small] && inspectorInstance.size === inspectorInstance.sizes[InspectorSize.Small]) ? InspectorSize.Offset : InspectorSize.FullWidth;\r\n        previousInspector.resize(offsetSize);\r\n        previousInspector.inspectorInstance.hideClose = true;\r\n      }\r\n    });\r\n\r\n    // create and manage focus trap\r\n    this.componentNativeElement = containerRef.location.nativeElement;\r\n    this.trapFocus();\r\n\r\n    // assign inspector ref\r\n    this.overlayCollection.push(inspectorRef);\r\n\r\n    return inspectorRef;\r\n  }\r\n\r\n  private createOverlay(config: InspectorConfig) {\r\n    // Returns an OverlayConfig\r\n    const overlayConfig = this.getOverlayConfig(config);\r\n\r\n    // Returns an OverlayRef\r\n    return this.overlay.create(overlayConfig);\r\n  }\r\n\r\n\r\n  private getOverlayConfig(config: InspectorConfig): OverlayConfig {\r\n    const positionStrategy = this.overlay.position()\r\n      .global()\r\n      .centerHorizontally();\r\n\r\n    if (config.location === InspectorLocation.Left){\r\n      positionStrategy.left('0');\r\n    } else {\r\n      positionStrategy.right('0');\r\n    }\r\n\r\n    const overlayConfig = new OverlayConfig({\r\n      hasBackdrop: config.hasBackdrop,\r\n      backdropClass: config.backdropClass,\r\n      panelClass: config.panelClass,\r\n      scrollStrategy: this.overlay.scrollStrategies.block(),\r\n      positionStrategy\r\n    });\r\n\r\n    return overlayConfig;\r\n  }\r\n\r\n  private createOverlayInjector(inspectorRef: InspectorOverlayRef): PortalInjector {\r\n    // Instantiate new WeakMap for our custom injection tokens\r\n    const injectionTokens = new WeakMap();\r\n\r\n    // Set custom injection tokens\r\n    injectionTokens.set(InspectorOverlayRef, inspectorRef);\r\n\r\n    // Instantiate new PortalInjector\r\n    return new PortalInjector(this.injector, injectionTokens);\r\n  }\r\n\r\n  private attachInspectorContainer(component: any, overlayRef: OverlayRef, config: InspectorConfig, inspectorRef: InspectorOverlayRef, parameters?: Object) {\r\n    const injector = this.createOverlayInjector(inspectorRef);\r\n    const containerPortal = new ComponentPortal(InspectorComponent , null, injector);\r\n    const containerRef: ComponentRef<InspectorComponent> = overlayRef.attach(containerPortal);\r\n    containerRef.instance.componentPortal = new ComponentPortal(component);\r\n\r\n    return containerRef;\r\n  }\r\n\r\n  private trapFocus() {\r\n    this.focusTrap = this.focusTrapFactory.create(this.componentNativeElement);\r\n    this.focusTrap.focusInitialElementWhenReady();\r\n  }\r\n\r\n}\r\n"]}