ornamentum
Version:
Angular Toolkit
240 lines • 24 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { take } from 'rxjs/operators';
/**
* Popover dynamic component loader; Responsible of dynamically rendering angular components to show popover layout.
* @template T
*/
export class PopoverComponentLoader {
/**
* @param {?} componentFactoryResolver
* @param {?} appRef
* @param {?} globalRefService
* @param {?} renderer
* @param {?} resizeService
*/
constructor(componentFactoryResolver, appRef, globalRefService, renderer, resizeService) {
this.componentFactoryResolver = componentFactoryResolver;
this.appRef = appRef;
this.globalRefService = globalRefService;
this.renderer = renderer;
this.resizeService = resizeService;
this.isVisible = false;
}
/**
* Register close on click outside event; Hide event is triggered only if click target is not included in
* exclusion elements collection.
* @private
* @param {...?} exclude - Exclude DOM element reference collection.
* @return {?}
*/
registerClickOutside(...exclude) {
/** @type {?} */
const trackOutsideClick = (/**
* @param {?} event
* @return {?}
*/
(event) => {
if (!exclude.some((/**
* @param {?} el
* @return {?}
*/
el => {
return el.contains((/** @type {?} */ (event.target)));
}))) {
this.hide();
}
});
this.clickListener = this.renderer.listen('document', 'click', trackOutsideClick);
this.touchStartListener = this.renderer.listen('document', 'touchstart', trackOutsideClick);
}
/**
* Set dynamic popover position relative to parent.
* @private
* @param {?} parentElement Parent element reference.
* @param {?} options Component loader options.
* @return {?}
*/
setPosition(parentElement, options) {
/** @type {?} */
const holderElement = options.relativeParentElement || parentElement;
/** @type {?} */
const bodyClientRect = holderElement.getBoundingClientRect();
/** @type {?} */
const elementClientRect = parentElement.getBoundingClientRect();
/** @type {?} */
let left = 0;
/** @type {?} */
let top = 0;
if (options.position.includes('right')) {
left = parentElement.offsetWidth;
}
if (options.position.includes('bottom')) {
top = parentElement.offsetHeight;
}
/** @type {?} */
const componentElement = (/** @type {?} */ (this.componentReference.location.nativeElement));
componentElement.style.top = `${elementClientRect.top - bodyClientRect.top + top + options.floatTop}px`;
componentElement.style.left = `${elementClientRect.left - bodyClientRect.left + left + options.floatLeft}px`;
componentElement.style.position = 'absolute';
componentElement.style.display = 'block';
/** @type {?} */
const childElement = (/** @type {?} */ (componentElement.firstElementChild));
if (childElement) {
if (options.position.includes('right')) {
childElement.style.right = '0px';
}
if (options.position.includes('top')) {
childElement.style.bottom = '0px';
}
childElement.style.position = 'absolute';
}
this.resizeEventSubscription = this.resizeService.resize.pipe(take(1)).subscribe((/**
* @return {?}
*/
() => {
this.hide();
}));
}
/**
* Render component if not available, else display hidden component.
* @param {?} component Component class type.
* @param {?} parentElement Parent element to append the target component.
* @param {?} injector Component injector reference.
* @param {?} options Component loader options object.
* @return {?} Rendered component reference.
*/
show(component, parentElement, injector, options) {
options = Object.assign({
closeOnOutsideClick: true,
floatLeft: 0,
floatTop: 0,
position: 'bottom-left'
}, options);
if (this.componentReference) {
this.setPosition(parentElement, options);
this.isVisible = true;
return;
}
// 1. Create a component reference from the component
this.componentReference = this.componentFactoryResolver.resolveComponentFactory(component).create(injector);
if (options.context) {
Object.assign(this.componentReference.instance, options.context);
}
// 2. Attach component to the appRef so that it's inside the ng component tree
this.appRef.attachView(this.componentReference.hostView);
// 3. Get DOM element from component
/** @type {?} */
const domElem = (/** @type {?} */ (((/** @type {?} */ (this.componentReference.hostView))).rootNodes[0]));
this.setPosition(parentElement, options);
// 4. Append DOM element to the body
(options.relativeParentElement || parentElement).appendChild(domElem);
// Trigger change detection
this.componentReference.changeDetectorRef.markForCheck();
this.componentReference.changeDetectorRef.detectChanges();
this.isVisible = true;
if (options.closeOnOutsideClick) {
this.registerClickOutside(parentElement, this.componentReference.location.nativeElement);
}
return this.componentReference.instance;
}
/**
* Hide component if visible.
* @return {?} Rendered component reference.
*/
hide() {
if (this.componentReference) {
this.componentReference.location.nativeElement.style.display = 'none';
this.isVisible = false;
return this.componentReference.instance;
}
}
/**
* Toggle component display state or render if not available.
* @param {?} component Component class type.
* @param {?} parentElement Parent element to append the target component.
* @param {?} injector Component injector reference.
* @param {?=} options Component loader options object.
* @return {?} Rendered component reference.
*/
toggle(component, parentElement, injector, options) {
return this.isVisible ? this.hide() : this.show(component, parentElement, injector, options);
}
/**
* Dispose rendered component reference and bindings.
* @return {?}
*/
dispose() {
if (this.resizeEventSubscription) {
this.resizeEventSubscription.unsubscribe();
}
if (this.componentReference) {
this.appRef.detachView(this.componentReference.hostView);
this.componentReference.destroy();
}
if (this.clickListener) {
this.clickListener();
this.clickListener = null;
}
if (this.touchStartListener) {
this.touchStartListener();
this.touchStartListener = null;
}
this.componentReference = null;
}
}
if (false) {
/**
* @type {?}
* @private
*/
PopoverComponentLoader.prototype.componentReference;
/**
* @type {?}
* @private
*/
PopoverComponentLoader.prototype.isVisible;
/**
* @type {?}
* @private
*/
PopoverComponentLoader.prototype.clickListener;
/**
* @type {?}
* @private
*/
PopoverComponentLoader.prototype.touchStartListener;
/**
* @type {?}
* @private
*/
PopoverComponentLoader.prototype.resizeEventSubscription;
/**
* @type {?}
* @private
*/
PopoverComponentLoader.prototype.componentFactoryResolver;
/**
* @type {?}
* @private
*/
PopoverComponentLoader.prototype.appRef;
/**
* @type {?}
* @private
*/
PopoverComponentLoader.prototype.globalRefService;
/**
* @type {?}
* @private
*/
PopoverComponentLoader.prototype.renderer;
/**
* @type {?}
* @private
*/
PopoverComponentLoader.prototype.resizeService;
}
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{ Injector, ComponentFactoryResolver, EmbeddedViewRef, ApplicationRef, ComponentRef, Type, Renderer2 } from '@angular/core';\n\nimport { take } from 'rxjs/operators';\n\nimport { Subscription } from 'rxjs';\n\nimport { ComponentLoader } from './component-loader.interface';\n\nimport { GlobalRefService } from './global-ref.service';\nimport { ResizeService } from './resize.service';\n\nimport { ComponentLoaderOptions } from '../models/component-loader-options.model';\n\n/**\n * Popover dynamic component loader; Responsible of dynamically rendering angular components to show popover layout.\n */\nexport class PopoverComponentLoader<T> implements ComponentLoader<T> {\n  private componentReference: ComponentRef<T>;\n  private isVisible: boolean;\n  private clickListener: () => void;\n  private touchStartListener: () => void;\n  private resizeEventSubscription: Subscription;\n\n  constructor(\n    private componentFactoryResolver: ComponentFactoryResolver,\n    private appRef: ApplicationRef,\n    private globalRefService: GlobalRefService,\n    private renderer: Renderer2,\n    private resizeService: ResizeService\n  ) {\n    this.isVisible = false;\n  }\n\n  /**\n   * Register close on click outside event; Hide event is triggered only if click target is not included in\n   * exclusion elements collection.\n   * @param exclude - Exclude DOM element reference collection.\n   */\n  private registerClickOutside(...exclude: HTMLElement[]): void {\n    const trackOutsideClick = (event: Event) => {\n      if (!exclude.some(el => {\n        return el.contains(event.target as HTMLElement);\n      })) {\n        this.hide();\n      }\n    };\n\n    this.clickListener = this.renderer.listen('document', 'click', trackOutsideClick);\n    this.touchStartListener = this.renderer.listen('document', 'touchstart', trackOutsideClick);\n  }\n\n  /**\n   * Set dynamic popover position relative to parent.\n   * @param parentElement Parent element reference.\n   * @param options Component loader options.\n   */\n  private setPosition(parentElement: HTMLElement, options: ComponentLoaderOptions): void {\n    const holderElement =  options.relativeParentElement || parentElement;\n    const bodyClientRect = holderElement.getBoundingClientRect();\n    const elementClientRect = parentElement.getBoundingClientRect();\n\n    let left = 0;\n    let top = 0;\n\n    if (options.position.includes('right')) {\n      left = parentElement.offsetWidth;\n    }\n\n    if (options.position.includes('bottom')) {\n      top = parentElement.offsetHeight;\n    }\n\n    const componentElement = this.componentReference.location.nativeElement as HTMLElement;\n    componentElement.style.top = `${elementClientRect.top - bodyClientRect.top + top + options.floatTop}px`;\n    componentElement.style.left = `${elementClientRect.left - bodyClientRect.left + left + options.floatLeft}px`;\n    componentElement.style.position = 'absolute';\n    componentElement.style.display = 'block';\n\n    const childElement = componentElement.firstElementChild as HTMLElement;\n    if (childElement) {\n      if (options.position.includes('right')) {\n        childElement.style.right = '0px';\n      }\n\n      if (options.position.includes('top')) {\n        childElement.style.bottom = '0px';\n      }\n\n      childElement.style.position = 'absolute';\n    }\n\n    this.resizeEventSubscription = this.resizeService.resize.pipe(take(1)).subscribe(() => {\n      this.hide();\n    });\n  }\n\n  /**\n   * Render component if not available, else display hidden component.\n   * @param component Component class type.\n   * @param parentElement Parent element to append the target component.\n   * @param injector Component injector reference.\n   * @param options Component loader options object.\n   * @return Rendered component reference.\n   */\n  public show(component: Type<T>, parentElement: HTMLElement, injector: Injector, options: ComponentLoaderOptions): T {\n    options = Object.assign(\n      {\n        closeOnOutsideClick: true,\n        floatLeft: 0,\n        floatTop: 0,\n        position: 'bottom-left'\n      },\n      options\n    );\n\n    if (this.componentReference) {\n      this.setPosition(parentElement, options);\n      this.isVisible = true;\n      return;\n    }\n\n    // 1. Create a component reference from the component\n    this.componentReference = this.componentFactoryResolver.resolveComponentFactory(component).create(injector);\n\n    if (options.context) {\n      Object.assign(this.componentReference.instance, options.context);\n    }\n\n    // 2. Attach component to the appRef so that it's inside the ng component tree\n    this.appRef.attachView(this.componentReference.hostView);\n\n    // 3. Get DOM element from component\n    const domElem = (this.componentReference.hostView as EmbeddedViewRef<any>).rootNodes[0] as HTMLElement;\n\n    this.setPosition(parentElement, options);\n\n    // 4. Append DOM element to the body\n    (options.relativeParentElement || parentElement).appendChild(domElem);\n\n    // Trigger change detection\n    this.componentReference.changeDetectorRef.markForCheck();\n    this.componentReference.changeDetectorRef.detectChanges();\n\n    this.isVisible = true;\n\n    if (options.closeOnOutsideClick) {\n      this.registerClickOutside(parentElement, this.componentReference.location.nativeElement);\n    }\n\n    return this.componentReference.instance;\n  }\n\n  /**\n   * Hide component if visible.\n   * @return Rendered component reference.\n   */\n  public hide(): T {\n    if (this.componentReference) {\n      this.componentReference.location.nativeElement.style.display = 'none';\n      this.isVisible = false;\n      return this.componentReference.instance;\n    }\n  }\n\n  /**\n   * Toggle component display state or render if not available.\n   * @param component Component class type.\n   * @param parentElement Parent element to append the target component.\n   * @param injector Component injector reference.\n   * @param options Component loader options object.\n   * @return Rendered component reference.\n   */\n  public toggle(component: Type<T>, parentElement: HTMLElement, injector: Injector, options?: ComponentLoaderOptions): T {\n    return this.isVisible ? this.hide() : this.show(component, parentElement, injector, options);\n  }\n\n  /**\n   * Dispose rendered component reference and bindings.\n   */\n  public dispose(): void {\n    if (this.resizeEventSubscription) {\n      this.resizeEventSubscription.unsubscribe();\n    }\n\n    if (this.componentReference) {\n      this.appRef.detachView(this.componentReference.hostView);\n      this.componentReference.destroy();\n    }\n\n    if (this.clickListener) {\n      this.clickListener();\n      this.clickListener = null;\n    }\n\n    if (this.touchStartListener) {\n      this.touchStartListener();\n      this.touchStartListener = null;\n    }\n\n    this.componentReference = null;\n  }\n}\n"]}