@indice/ng-components
Version:
Indice common components for Angular v12
220 lines • 32.4 kB
JavaScript
import { DOCUMENT } from '@angular/common';
import { Inject, Injectable, Optional } from '@angular/core';
import { Subject } from 'rxjs';
import { animationTime, cssClassNames } from './modal-styles.class';
import { ModalBackdropComponent } from './modal-backdrop-component';
import { ModalContainerComponent } from './modal-container-component';
import { modalConfigDefaults, ModalOptions, MODAL_CONFIG_DEFAULT_OVERRIDE } from './modal-options.class';
import { Modal } from './modal.class';
import * as i0 from "@angular/core";
import * as i1 from "../component-loader/component-loader.factory";
import * as i2 from "./modal-options.class";
/**
* A service for using modals.
*
* @public
*/
export class ModalService {
constructor(clf, rendererFactory, document, modalDefaultOption) {
this.clf = clf;
this.document = document;
this.onBeforeShow = new Subject();
this.onShown = new Subject();
this.onBeforeHide = new Subject();
this.onHidden = new Subject();
this.loaders = [];
this.modalsCount = 0;
this.initialPadding = '0px';
this.backdropLoader = this.clf.createLoader();
this.defaultConfig = { ...modalConfigDefaults, ...modalDefaultOption };
this.renderer = rendererFactory.createRenderer(null, null);
}
ngOnDestroy() {
this.loaders.forEach((loader) => loader.instance?.hide());
}
/**
* Opens a new modal.
*
* @param content - `Component` or `TemplateRef` type.
* @param config - Specific {@link ModalOptions | options} for this modal. Global and specific options are merged.
* @returns An instance of {@link Modal}
*/
show(content, config) {
this.modalsCount++;
const combinedConfig = { ...this.defaultConfig, ...config };
combinedConfig.id = config?.id || new Date().getUTCMilliseconds();
console.log('show', combinedConfig);
this.createLoaders();
this.addBodyPadding();
if (this.modalsCount === 1) {
this.renderer.addClass(this.document.body, cssClassNames.modalOpen);
}
this.showBackdrop(combinedConfig);
return this.showModal(content, combinedConfig);
}
/**
* Hide an active modal.
* @param id - Id of modal to hide. If not provided all active modals are hidden.
* @param result - A result to be sent to observers.
*/
hide(id, result) {
if (this.modalsCount === 1 || id == null) {
this.hideBackdrop();
this.revertScrollbar();
this.renderer.removeClass(this.document.body, cssClassNames.modalOpen);
}
this.modalsCount = this.modalsCount >= 1 && id != null ? this.modalsCount - 1 : 0;
setTimeout(() => {
this.hideModal(id, result);
this.removeLoaders(id);
},
//Bug
//Should use combined config but for the moment is not possible to pass it this parameter.
//If config is an instance variable then every newly opened modal will override the config
//resulting in opened modals to get a new configuration
this.defaultConfig.animated ? animationTime.backdrop : 0);
}
getActiveModal() {
return this.loaders[this.modalsCount - 1].instance;
}
showModal(content, combinedConfig) {
const modalLoader = this.loaders[this.loaders.length - 1];
if (combinedConfig && combinedConfig.providers) {
combinedConfig.providers.forEach((provider) => modalLoader.provide(provider));
}
const modal = new Modal();
const modalContainerRef = modalLoader
.provide({ provide: ModalOptions, useValue: combinedConfig })
.provide({ provide: Modal, useValue: modal })
.attach(ModalContainerComponent)
.to('body');
modal.setClass = (newClass) => {
if (modalContainerRef.instance) {
modalContainerRef.instance.config.class = newClass;
}
};
modal.onBeforeHide = new Subject();
modal.onHidden = new Subject();
this.copyEvent(modalLoader.onBeforeHide, modal.onBeforeHide);
this.copyEvent(modalLoader.onHidden, modal.onHidden);
modalContainerRef.show({
content,
animationsEnabled: combinedConfig.animated,
initialState: combinedConfig.initialState,
modalService: this,
id: combinedConfig.id,
});
if (modalContainerRef.instance) {
modalContainerRef.instance.level = this.modalsCount;
modal.content = modalLoader.getInnerComponent();
modal.id = modalContainerRef.instance.config?.id;
modal.hide = (res) => modalContainerRef.instance?.hide(res);
}
return modal;
}
hideModal(id, result) {
if (id != null) {
const indexToRemove = this.loaders.findIndex((loader) => loader.instance?.config.id === id);
const modalLoader = this.loaders[indexToRemove];
if (modalLoader) {
modalLoader.hide(id, result);
}
}
else {
this.loaders.forEach((loader) => {
if (loader.instance) {
loader.hide(loader.instance.config.id);
}
});
}
}
showBackdrop(combinedConfig) {
const isBackdropEnabled = combinedConfig.backdrop === true || combinedConfig.backdrop === 'static';
const isBackdropInDOM = this.backdropRef != null;
if (isBackdropEnabled && !isBackdropInDOM) {
this.backdropLoader
.attach(ModalBackdropComponent)
.to('body')
.show({ animationsEnabled: combinedConfig.animated, backdropLoader: this.backdropLoader });
this.backdropRef = this.backdropLoader.componentRef;
}
}
hideBackdrop() {
if (!this.backdropRef) {
return;
}
this.backdropRef.instance.hide();
this.backdropRef = void 0;
}
removeLoaders(id) {
if (id != null) {
const indexToRemove = this.loaders.findIndex((loader) => loader.instance?.config.id === id);
if (indexToRemove >= 0) {
this.loaders.splice(indexToRemove, 1);
this.loaders.forEach((loader, i) => {
if (loader.instance) {
loader.instance.level = i + 1;
}
});
}
}
else {
this.loaders.splice(0, this.loaders.length);
}
}
addBodyPadding() {
if (this.modalsCount === 1) {
const width = this.getScrollbarWidth();
if (this.isScrollBarPresent(width)) {
this.initialPadding = this.document.body.style.paddingRight;
const actualPadding = parseFloat(window.getComputedStyle(this.document.body).paddingRight);
this.document.body.style.paddingRight = `${actualPadding + width}px`;
}
}
}
revertScrollbar() {
this.document.body.style.paddingRight = this.initialPadding;
}
getScrollbarWidth() {
const measurer = this.document.createElement('div');
measurer.className = 'modal-scrollbar-measure';
const body = this.document.body;
body.appendChild(measurer);
const width = measurer.getBoundingClientRect().width - measurer.clientWidth;
body.removeChild(measurer);
return width;
}
isScrollBarPresent(scrollbarWidth) {
const rect = this.document.body.getBoundingClientRect();
const bodyToViewportGap = window.innerWidth - (rect.left + rect.right);
const uncertainty = 0.1 * scrollbarWidth;
return bodyToViewportGap >= scrollbarWidth - uncertainty;
}
createLoaders() {
const loader = this.clf.createLoader();
this.copyEvent(loader.onBeforeShow, this.onBeforeShow);
this.copyEvent(loader.onShown, this.onShown);
this.copyEvent(loader.onBeforeHide, this.onBeforeHide);
this.copyEvent(loader.onHidden, this.onHidden);
this.loaders.push(loader);
}
copyEvent(from, to) {
from.subscribe((data) => {
to.next(data);
});
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.6", ngImport: i0, type: ModalService, deps: [{ token: i1.ComponentLoaderFactory }, { token: i0.RendererFactory2 }, { token: DOCUMENT }, { token: MODAL_CONFIG_DEFAULT_OVERRIDE, optional: true }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.3.6", ngImport: i0, type: ModalService }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.6", ngImport: i0, type: ModalService, decorators: [{
type: Injectable
}], ctorParameters: () => [{ type: i1.ComponentLoaderFactory }, { type: i0.RendererFactory2 }, { type: undefined, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }, { type: i2.ModalOptions, decorators: [{
type: Optional
}, {
type: Inject,
args: [MODAL_CONFIG_DEFAULT_OVERRIDE]
}] }] });
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{ DOCUMENT } from '@angular/common';\r\nimport { ComponentRef, Inject, Injectable, OnDestroy, Optional, Renderer2, RendererFactory2, TemplateRef } from '@angular/core';\r\nimport { Subject } from 'rxjs';\r\nimport { ComponentLoader } from '../component-loader/component-loader.class';\r\nimport { animationTime, cssClassNames } from './modal-styles.class';\r\nimport { ModalBackdropComponent } from './modal-backdrop-component';\r\nimport { ModalContainerComponent } from './modal-container-component';\r\nimport { modalConfigDefaults, ModalOptions, MODAL_CONFIG_DEFAULT_OVERRIDE } from './modal-options.class';\r\nimport { Modal } from './modal.class';\r\nimport { ComponentLoaderFactory } from '../component-loader/component-loader.factory';\r\n\r\n/**\r\n * A service for using modals.\r\n *\r\n * @public\r\n */\r\n@Injectable()\r\nexport class ModalService implements OnDestroy {\r\n  private onBeforeShow = new Subject();\r\n  private onShown = new Subject();\r\n  private onBeforeHide = new Subject();\r\n  private onHidden = new Subject();\r\n\r\n  private backdropRef?: ComponentRef<ModalBackdropComponent>;\r\n  private defaultConfig: ModalOptions;\r\n  private backdropLoader: ComponentLoader<ModalBackdropComponent>;\r\n  private loaders: ComponentLoader<ModalContainerComponent>[] = [];\r\n  private renderer: Renderer2;\r\n  private modalsCount = 0;\r\n  private initialPadding = '0px';\r\n  constructor(\r\n    private clf: ComponentLoaderFactory,\r\n    rendererFactory: RendererFactory2,\r\n    @Inject(DOCUMENT) private document: any,\r\n    @Optional() @Inject(MODAL_CONFIG_DEFAULT_OVERRIDE) modalDefaultOption: ModalOptions\r\n  ) {\r\n    this.backdropLoader = this.clf.createLoader<ModalBackdropComponent>();\r\n    this.defaultConfig = { ...modalConfigDefaults, ...modalDefaultOption };\r\n    this.renderer = rendererFactory.createRenderer(null, null);\r\n  }\r\n\r\n  ngOnDestroy(): void {\r\n    this.loaders.forEach((loader) => loader.instance?.hide());\r\n  }\r\n\r\n  /**\r\n   * Opens a new modal.\r\n   *\r\n   * @param content - `Component` or `TemplateRef` type.\r\n   * @param config - Specific {@link ModalOptions | options}  for this modal. Global and specific options are merged.\r\n   * @returns An instance of {@link Modal}\r\n   */\r\n  public show<T>(content: string | TemplateRef<any> | { new (...args: any[]): T }, config?: ModalOptions<T>) {\r\n    this.modalsCount++;\r\n    const combinedConfig = { ...this.defaultConfig, ...config };\r\n    combinedConfig.id = config?.id || new Date().getUTCMilliseconds();\r\n    console.log('show', combinedConfig);\r\n    this.createLoaders();\r\n\r\n    this.addBodyPadding();\r\n    if (this.modalsCount === 1) {\r\n      this.renderer.addClass(this.document.body, cssClassNames.modalOpen);\r\n    }\r\n    this.showBackdrop(combinedConfig);\r\n    return this.showModal<T>(content, combinedConfig);\r\n  }\r\n\r\n  /**\r\n   * Hide an active modal.\r\n   * @param id - Id of modal to hide. If not provided all active modals are hidden.\r\n   * @param result - A result to be sent to observers.\r\n   */\r\n  public hide(id?: number | string, result?: any) {\r\n    if (this.modalsCount === 1 || id == null) {\r\n      this.hideBackdrop();\r\n      this.revertScrollbar();\r\n      this.renderer.removeClass(this.document.body, cssClassNames.modalOpen);\r\n    }\r\n    this.modalsCount = this.modalsCount >= 1 && id != null ? this.modalsCount - 1 : 0;\r\n    setTimeout(\r\n      () => {\r\n        this.hideModal(id, result);\r\n        this.removeLoaders(id);\r\n      },\r\n      //Bug\r\n      //Should use combined config but for the moment is not possible to pass it this parameter.\r\n      //If config is an instance variable then every newly opened modal will override the config\r\n      //resulting in opened modals to get a new configuration\r\n      this.defaultConfig.animated ? animationTime.backdrop : 0\r\n    );\r\n  }\r\n\r\n  public getActiveModal(): ModalContainerComponent {\r\n    return this.loaders[this.modalsCount - 1].instance as ModalContainerComponent;\r\n  }\r\n\r\n  private showModal<T>(content: any, combinedConfig: ModalOptions): Modal<T> {\r\n    const modalLoader = this.loaders[this.loaders.length - 1];\r\n    if (combinedConfig && combinedConfig.providers) {\r\n      combinedConfig.providers.forEach((provider) => modalLoader.provide(provider));\r\n    }\r\n\r\n    const modal = new Modal<any>();\r\n    const modalContainerRef = modalLoader\r\n      .provide({ provide: ModalOptions, useValue: combinedConfig })\r\n      .provide({ provide: Modal, useValue: modal })\r\n      .attach(ModalContainerComponent)\r\n      .to('body');\r\n\r\n    modal.setClass = (newClass: string) => {\r\n      if (modalContainerRef.instance) {\r\n        modalContainerRef.instance.config.class = newClass;\r\n      }\r\n    };\r\n\r\n    modal.onBeforeHide = new Subject();\r\n    modal.onHidden = new Subject();\r\n    this.copyEvent(modalLoader.onBeforeHide, modal.onBeforeHide);\r\n    this.copyEvent(modalLoader.onHidden, modal.onHidden);\r\n    modalContainerRef.show({\r\n      content,\r\n      animationsEnabled: combinedConfig.animated,\r\n      initialState: combinedConfig.initialState,\r\n      modalService: this,\r\n      id: combinedConfig.id,\r\n    });\r\n\r\n    if (modalContainerRef.instance) {\r\n      modalContainerRef.instance.level = this.modalsCount;\r\n      modal.content = modalLoader.getInnerComponent();\r\n      modal.id = modalContainerRef.instance.config?.id;\r\n      modal.hide = (res) => modalContainerRef.instance?.hide(res);\r\n    }\r\n\r\n    return modal;\r\n  }\r\n\r\n  private hideModal(id?: number | string, result?: any): void {\r\n    if (id != null) {\r\n      const indexToRemove = this.loaders.findIndex((loader) => loader.instance?.config.id === id);\r\n      const modalLoader = this.loaders[indexToRemove];\r\n      if (modalLoader) {\r\n        modalLoader.hide(id, result);\r\n      }\r\n    } else {\r\n      this.loaders.forEach((loader: ComponentLoader<ModalContainerComponent>) => {\r\n        if (loader.instance) {\r\n          loader.hide(loader.instance.config.id);\r\n        }\r\n      });\r\n    }\r\n  }\r\n\r\n  private showBackdrop(combinedConfig: ModalOptions): void {\r\n    const isBackdropEnabled = combinedConfig.backdrop === true || combinedConfig.backdrop === 'static';\r\n    const isBackdropInDOM = this.backdropRef != null;\r\n    if (isBackdropEnabled && !isBackdropInDOM) {\r\n      this.backdropLoader\r\n        .attach(ModalBackdropComponent)\r\n        .to('body')\r\n        .show({ animationsEnabled: combinedConfig.animated, backdropLoader: this.backdropLoader });\r\n      this.backdropRef = this.backdropLoader.componentRef;\r\n    }\r\n  }\r\n\r\n  private hideBackdrop(): void {\r\n    if (!this.backdropRef) {\r\n      return;\r\n    }\r\n    this.backdropRef.instance.hide();\r\n    this.backdropRef = void 0;\r\n  }\r\n\r\n  private removeLoaders(id?: number | string): void {\r\n    if (id != null) {\r\n      const indexToRemove = this.loaders.findIndex((loader) => loader.instance?.config.id === id);\r\n      if (indexToRemove >= 0) {\r\n        this.loaders.splice(indexToRemove, 1);\r\n        this.loaders.forEach((loader: ComponentLoader<ModalContainerComponent>, i: number) => {\r\n          if (loader.instance) {\r\n            loader.instance.level = i + 1;\r\n          }\r\n        });\r\n      }\r\n    } else {\r\n      this.loaders.splice(0, this.loaders.length);\r\n    }\r\n  }\r\n\r\n  private addBodyPadding() {\r\n    if (this.modalsCount === 1) {\r\n      const width = this.getScrollbarWidth();\r\n      if (this.isScrollBarPresent(width)) {\r\n        this.initialPadding = this.document.body.style.paddingRight;\r\n        const actualPadding = parseFloat(window.getComputedStyle(this.document.body).paddingRight);\r\n        this.document.body.style.paddingRight = `${actualPadding + width}px`;\r\n      }\r\n    }\r\n  }\r\n\r\n  private revertScrollbar() {\r\n    this.document.body.style.paddingRight = this.initialPadding;\r\n  }\r\n\r\n  private getScrollbarWidth(): number {\r\n    const measurer = this.document.createElement('div');\r\n    measurer.className = 'modal-scrollbar-measure';\r\n\r\n    const body = this.document.body;\r\n    body.appendChild(measurer);\r\n    const width = measurer.getBoundingClientRect().width - measurer.clientWidth;\r\n    body.removeChild(measurer);\r\n\r\n    return width;\r\n  }\r\n\r\n  private isScrollBarPresent(scrollbarWidth: number) {\r\n    const rect = this.document.body.getBoundingClientRect();\r\n    const bodyToViewportGap = window.innerWidth - (rect.left + rect.right);\r\n    const uncertainty = 0.1 * scrollbarWidth;\r\n    return bodyToViewportGap >= scrollbarWidth - uncertainty;\r\n  }\r\n\r\n  private createLoaders(): void {\r\n    const loader = this.clf.createLoader<ModalContainerComponent>();\r\n    this.copyEvent(loader.onBeforeShow, this.onBeforeShow);\r\n    this.copyEvent(loader.onShown, this.onShown);\r\n    this.copyEvent(loader.onBeforeHide, this.onBeforeHide);\r\n    this.copyEvent(loader.onHidden, this.onHidden);\r\n    this.loaders.push(loader);\r\n  }\r\n\r\n  private copyEvent(from: Subject<unknown>, to: Subject<unknown>) {\r\n    from.subscribe((data) => {\r\n      to.next(data);\r\n    });\r\n  }\r\n}\r\n"]}