ngx-bootstrap
Version:
Native Angular Bootstrap Components
267 lines (266 loc) • 25.1 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
import { Injectable, EventEmitter, RendererFactory2 } from '@angular/core';
import { ComponentLoaderFactory } from 'ngx-bootstrap/component-loader';
import { ModalBackdropComponent } from './modal-backdrop.component';
import { ModalContainerComponent } from './modal-container.component';
import { CLASS_NAME, modalConfigDefaults, ModalOptions, TRANSITION_DURATIONS } from './modal-options.class';
import { BsModalRef } from './bs-modal-ref.service';
export class BsModalService {
/**
* @param {?} rendererFactory
* @param {?} clf
*/
constructor(rendererFactory, clf) {
this.clf = clf;
// constructor props
this.config = modalConfigDefaults;
// tslint:disable-next-line:no-any
this.onShow = new EventEmitter();
// tslint:disable-next-line:no-any
this.onShown = new EventEmitter();
// tslint:disable-next-line:no-any
this.onHide = new EventEmitter();
// tslint:disable-next-line:no-any
this.onHidden = new EventEmitter();
this.isBodyOverflowing = false;
this.originalBodyPadding = 0;
this.scrollbarWidth = 0;
this.modalsCount = 0;
this.lastDismissReason = '';
this.loaders = [];
this._backdropLoader = this.clf.createLoader(null, null, null);
this._renderer = rendererFactory.createRenderer(null, null);
}
/**
* Shows a modal
* @param {?} content
* @param {?=} config
* @return {?}
*/
show(content, config) {
this.modalsCount++;
this._createLoaders();
this.config = Object.assign({}, modalConfigDefaults, config);
this._showBackdrop();
this.lastDismissReason = null;
return this._showModal(content);
}
/**
* @param {?} level
* @return {?}
*/
hide(level) {
if (this.modalsCount === 1) {
this._hideBackdrop();
this.resetScrollbar();
}
this.modalsCount = this.modalsCount >= 1 ? this.modalsCount - 1 : 0;
setTimeout(() => {
this._hideModal(level);
this.removeLoaders(level);
}, this.config.animated ? TRANSITION_DURATIONS.BACKDROP : 0);
}
/**
* @return {?}
*/
_showBackdrop() {
const /** @type {?} */ isBackdropEnabled = this.config.backdrop || this.config.backdrop === 'static';
const /** @type {?} */ isBackdropInDOM = !this.backdropRef || !this.backdropRef.instance.isShown;
if (this.modalsCount === 1) {
this.removeBackdrop();
if (isBackdropEnabled && isBackdropInDOM) {
this._backdropLoader
.attach(ModalBackdropComponent)
.to('body')
.show({ isAnimated: this.config.animated });
this.backdropRef = this._backdropLoader._componentRef;
}
}
}
/**
* @return {?}
*/
_hideBackdrop() {
if (!this.backdropRef) {
return;
}
this.backdropRef.instance.isShown = false;
const /** @type {?} */ duration = this.config.animated ? TRANSITION_DURATIONS.BACKDROP : 0;
setTimeout(() => this.removeBackdrop(), duration);
}
/**
* @param {?} content
* @return {?}
*/
_showModal(content) {
const /** @type {?} */ modalLoader = this.loaders[this.loaders.length - 1];
const /** @type {?} */ bsModalRef = new BsModalRef();
const /** @type {?} */ modalContainerRef = modalLoader
.provide({ provide: ModalOptions, useValue: this.config })
.provide({ provide: BsModalRef, useValue: bsModalRef })
.attach(ModalContainerComponent)
.to('body')
.show({ content, isAnimated: this.config.animated, initialState: this.config.initialState, bsModalService: this });
modalContainerRef.instance.level = this.getModalsCount();
bsModalRef.hide = () => {
modalContainerRef.instance.hide();
};
bsModalRef.content = modalLoader.getInnerComponent() || null;
bsModalRef.setClass = (newClass) => {
modalContainerRef.instance.config.class = newClass;
};
return bsModalRef;
}
/**
* @param {?} level
* @return {?}
*/
_hideModal(level) {
const /** @type {?} */ modalLoader = this.loaders[level - 1];
if (modalLoader) {
modalLoader.hide();
}
}
/**
* @return {?}
*/
getModalsCount() {
return this.modalsCount;
}
/**
* @param {?} reason
* @return {?}
*/
setDismissReason(reason) {
this.lastDismissReason = reason;
}
/**
* @return {?}
*/
removeBackdrop() {
this._backdropLoader.hide();
this.backdropRef = null;
}
/**
* \@internal
* @return {?}
*/
checkScrollbar() {
this.isBodyOverflowing = document.body.clientWidth < window.innerWidth;
this.scrollbarWidth = this.getScrollbarWidth();
}
/**
* @return {?}
*/
setScrollbar() {
if (!document) {
return;
}
this.originalBodyPadding = parseInt(window
.getComputedStyle(document.body)
.getPropertyValue('padding-right') || '0', 10);
if (this.isBodyOverflowing) {
document.body.style.paddingRight = `${this.originalBodyPadding +
this.scrollbarWidth}px`;
}
}
/**
* @return {?}
*/
resetScrollbar() {
document.body.style.paddingRight = `${this.originalBodyPadding}px`;
}
/**
* @return {?}
*/
getScrollbarWidth() {
const /** @type {?} */ scrollDiv = this._renderer.createElement('div');
this._renderer.addClass(scrollDiv, CLASS_NAME.SCROLLBAR_MEASURER);
this._renderer.appendChild(document.body, scrollDiv);
const /** @type {?} */ scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
this._renderer.removeChild(document.body, scrollDiv);
return scrollbarWidth;
}
/**
* @return {?}
*/
_createLoaders() {
const /** @type {?} */ loader = this.clf.createLoader(null, null, null);
this.copyEvent(loader.onBeforeShow, this.onShow);
this.copyEvent(loader.onShown, this.onShown);
this.copyEvent(loader.onBeforeHide, this.onHide);
this.copyEvent(loader.onHidden, this.onHidden);
this.loaders.push(loader);
}
/**
* @param {?} level
* @return {?}
*/
removeLoaders(level) {
this.loaders.splice(level - 1, 1);
this.loaders.forEach((loader, i) => {
loader.instance.level = i + 1;
});
}
/**
* @param {?} from
* @param {?} to
* @return {?}
*/
copyEvent(from, to) {
from.subscribe(() => {
to.emit(this.lastDismissReason);
});
}
}
BsModalService.decorators = [
{ type: Injectable }
];
/** @nocollapse */
BsModalService.ctorParameters = () => [
{ type: RendererFactory2, },
{ type: ComponentLoaderFactory, },
];
function BsModalService_tsickle_Closure_declarations() {
/** @type {!Array<{type: !Function, args: (undefined|!Array<?>)}>} */
BsModalService.decorators;
/**
* @nocollapse
* @type {function(): !Array<(null|{type: ?, decorators: (undefined|!Array<{type: !Function, args: (undefined|!Array<?>)}>)})>}
*/
BsModalService.ctorParameters;
/** @type {?} */
BsModalService.prototype.config;
/** @type {?} */
BsModalService.prototype.onShow;
/** @type {?} */
BsModalService.prototype.onShown;
/** @type {?} */
BsModalService.prototype.onHide;
/** @type {?} */
BsModalService.prototype.onHidden;
/** @type {?} */
BsModalService.prototype.isBodyOverflowing;
/** @type {?} */
BsModalService.prototype.originalBodyPadding;
/** @type {?} */
BsModalService.prototype.scrollbarWidth;
/** @type {?} */
BsModalService.prototype.backdropRef;
/** @type {?} */
BsModalService.prototype._backdropLoader;
/** @type {?} */
BsModalService.prototype.modalsCount;
/** @type {?} */
BsModalService.prototype.lastDismissReason;
/** @type {?} */
BsModalService.prototype.loaders;
/** @type {?} */
BsModalService.prototype._renderer;
/** @type {?} */
BsModalService.prototype.clf;
}
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{\n  ComponentRef,\n  Injectable,\n  TemplateRef,\n  EventEmitter,\n  Renderer2,\n  RendererFactory2\n} from '@angular/core';\n\nimport { ComponentLoader, ComponentLoaderFactory } from 'ngx-bootstrap/component-loader';\nimport { ModalBackdropComponent } from './modal-backdrop.component';\nimport { ModalContainerComponent } from './modal-container.component';\nimport {\n  CLASS_NAME,\n  modalConfigDefaults,\n  ModalOptions,\n  TRANSITION_DURATIONS\n} from './modal-options.class';\nimport { BsModalRef } from './bs-modal-ref.service';\n\n@Injectable()\nexport class BsModalService {\n  // constructor props\n  config: ModalOptions = modalConfigDefaults;\n\n  // tslint:disable-next-line:no-any\n  onShow: EventEmitter<any> = new EventEmitter();\n  // tslint:disable-next-line:no-any\n  onShown: EventEmitter<any> = new EventEmitter();\n  // tslint:disable-next-line:no-any\n  onHide: EventEmitter<any> = new EventEmitter();\n  // tslint:disable-next-line:no-any\n  onHidden: EventEmitter<any> = new EventEmitter();\n\n  protected isBodyOverflowing = false;\n  protected originalBodyPadding = 0;\n\n  protected scrollbarWidth = 0;\n\n  protected backdropRef: ComponentRef<ModalBackdropComponent>;\n  private _backdropLoader: ComponentLoader<ModalBackdropComponent>;\n  private modalsCount = 0;\n  private lastDismissReason = '';\n\n  private loaders: ComponentLoader<ModalContainerComponent>[] = [];\n\n  private _renderer: Renderer2;\n\n  constructor(rendererFactory: RendererFactory2, private clf: ComponentLoaderFactory) {\n    this._backdropLoader = this.clf.createLoader<ModalBackdropComponent>(\n      null,\n      null,\n      null\n    );\n    this._renderer = rendererFactory.createRenderer(null, null);\n  }\n\n  /** Shows a modal */\n  // tslint:disable-next-line:no-any\n  show(content: string | TemplateRef<any> | any, config?: ModalOptions): BsModalRef {\n    this.modalsCount++;\n    this._createLoaders();\n    this.config = Object.assign({}, modalConfigDefaults, config);\n    this._showBackdrop();\n    this.lastDismissReason = null;\n\n    return this._showModal(content);\n  }\n\n  hide(level: number) {\n    if (this.modalsCount === 1) {\n      this._hideBackdrop();\n      this.resetScrollbar();\n    }\n    this.modalsCount = this.modalsCount >= 1 ? this.modalsCount - 1 : 0;\n    setTimeout(() => {\n      this._hideModal(level);\n      this.removeLoaders(level);\n    }, this.config.animated ? TRANSITION_DURATIONS.BACKDROP : 0);\n  }\n\n  _showBackdrop(): void {\n    const isBackdropEnabled =\n      this.config.backdrop || this.config.backdrop === 'static';\n    const isBackdropInDOM =\n      !this.backdropRef || !this.backdropRef.instance.isShown;\n\n    if (this.modalsCount === 1) {\n      this.removeBackdrop();\n\n      if (isBackdropEnabled && isBackdropInDOM) {\n        this._backdropLoader\n          .attach(ModalBackdropComponent)\n          .to('body')\n          .show({ isAnimated: this.config.animated });\n        this.backdropRef = this._backdropLoader._componentRef;\n      }\n    }\n  }\n\n  _hideBackdrop(): void {\n    if (!this.backdropRef) {\n      return;\n    }\n    this.backdropRef.instance.isShown = false;\n    const duration = this.config.animated ? TRANSITION_DURATIONS.BACKDROP : 0;\n    setTimeout(() => this.removeBackdrop(), duration);\n  }\n  // tslint:disable-next-line:no-any\n  _showModal(content: any): BsModalRef {\n    const modalLoader = this.loaders[this.loaders.length - 1];\n    const bsModalRef = new BsModalRef();\n    const modalContainerRef = modalLoader\n      .provide({ provide: ModalOptions, useValue: this.config })\n      .provide({ provide: BsModalRef, useValue: bsModalRef })\n      .attach(ModalContainerComponent)\n      .to('body')\n      .show({content, isAnimated: this.config.animated, initialState: this.config.initialState, bsModalService: this});\n    modalContainerRef.instance.level = this.getModalsCount();\n    bsModalRef.hide = () => {\n      modalContainerRef.instance.hide();\n    };\n    bsModalRef.content = modalLoader.getInnerComponent() || null;\n    bsModalRef.setClass = (newClass: string) => {\n      modalContainerRef.instance.config.class = newClass;\n    };\n\n    return bsModalRef;\n  }\n\n  _hideModal(level: number): void {\n    const modalLoader = this.loaders[level - 1];\n    if (modalLoader) {\n      modalLoader.hide();\n    }\n  }\n\n  getModalsCount(): number {\n    return this.modalsCount;\n  }\n\n  setDismissReason(reason: string) {\n    this.lastDismissReason = reason;\n  }\n\n  removeBackdrop(): void {\n    this._backdropLoader.hide();\n    this.backdropRef = null;\n  }\n\n  /** AFTER PR MERGE MODAL.COMPONENT WILL BE USING THIS CODE */\n  /** Scroll bar tricks */\n  /** @internal */\n  checkScrollbar(): void {\n    this.isBodyOverflowing = document.body.clientWidth < window.innerWidth;\n    this.scrollbarWidth = this.getScrollbarWidth();\n  }\n\n  setScrollbar(): void {\n    if (!document) {\n      return;\n    }\n\n    this.originalBodyPadding = parseInt(\n      window\n        .getComputedStyle(document.body)\n        .getPropertyValue('padding-right') || '0',\n      10\n    );\n\n    if (this.isBodyOverflowing) {\n      document.body.style.paddingRight = `${this.originalBodyPadding +\n        this.scrollbarWidth}px`;\n    }\n  }\n\n  private resetScrollbar(): void {\n    document.body.style.paddingRight = `${this.originalBodyPadding}px`;\n  }\n\n  // thx d.walsh\n  private getScrollbarWidth(): number {\n    const scrollDiv = this._renderer.createElement('div');\n    this._renderer.addClass(scrollDiv, CLASS_NAME.SCROLLBAR_MEASURER);\n    this._renderer.appendChild(document.body, scrollDiv);\n    const scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;\n    this._renderer.removeChild(document.body, scrollDiv);\n\n    return scrollbarWidth;\n  }\n\n  private _createLoaders(): void {\n    const loader = this.clf.createLoader<ModalContainerComponent>(\n      null,\n      null,\n      null\n    );\n    this.copyEvent(loader.onBeforeShow, this.onShow);\n    this.copyEvent(loader.onShown, this.onShown);\n    this.copyEvent(loader.onBeforeHide, this.onHide);\n    this.copyEvent(loader.onHidden, this.onHidden);\n    this.loaders.push(loader);\n  }\n\n  private removeLoaders(level: number): void {\n    this.loaders.splice(level - 1, 1);\n    this.loaders.forEach(\n      (loader: ComponentLoader<ModalContainerComponent>, i: number) => {\n        loader.instance.level = i + 1;\n      }\n    );\n  }\n\n  // tslint:disable-next-line:no-any\n  private copyEvent(from: EventEmitter<any>, to: EventEmitter<any>) {\n    from.subscribe(() => {\n      to.emit(this.lastDismissReason);\n    });\n  }\n}\n"]}