ngx-bootstrap
Version:
Native Angular Bootstrap Components
581 lines • 43.2 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import * as tslib_1 from "tslib";
// tslint:disable:max-file-line-count
import { Directive, ElementRef, EventEmitter, Input, Output, Renderer2, ViewContainerRef } from '@angular/core';
import { filter } from 'rxjs/operators';
import { ComponentLoaderFactory } from 'ngx-bootstrap/component-loader';
import { BsDropdownConfig } from './bs-dropdown.config';
import { BsDropdownContainerComponent } from './bs-dropdown-container.component';
import { BsDropdownState } from './bs-dropdown.state';
import { isBs3 } from 'ngx-bootstrap/utils';
var BsDropdownDirective = /** @class */ (function () {
function BsDropdownDirective(_elementRef, _renderer, _viewContainerRef, _cis, _config, _state) {
this._elementRef = _elementRef;
this._renderer = _renderer;
this._viewContainerRef = _viewContainerRef;
this._cis = _cis;
this._config = _config;
this._state = _state;
// todo: move to component loader
this._isInlineOpen = false;
this._subscriptions = [];
this._isInited = false;
// set initial dropdown state from config
this._state.autoClose = this._config.autoClose;
this._state.insideClick = this._config.insideClick;
// create dropdown component loader
this._dropdown = this._cis
.createLoader(this._elementRef, this._viewContainerRef, this._renderer)
.provide({ provide: BsDropdownState, useValue: this._state });
this.onShown = this._dropdown.onShown;
this.onHidden = this._dropdown.onHidden;
this.isOpenChange = this._state.isOpenChange;
}
Object.defineProperty(BsDropdownDirective.prototype, "autoClose", {
get: /**
* @return {?}
*/
function () {
return this._state.autoClose;
},
/**
* Indicates that dropdown will be closed on item or document click,
* and after pressing ESC
*/
set: /**
* Indicates that dropdown will be closed on item or document click,
* and after pressing ESC
* @param {?} value
* @return {?}
*/
function (value) {
this._state.autoClose = value;
},
enumerable: true,
configurable: true
});
Object.defineProperty(BsDropdownDirective.prototype, "insideClick", {
get: /**
* @return {?}
*/
function () {
return this._state.insideClick;
},
/**
* This attribute indicates that the dropdown shouldn't close on inside click when autoClose is set to true
*/
set: /**
* This attribute indicates that the dropdown shouldn't close on inside click when autoClose is set to true
* @param {?} value
* @return {?}
*/
function (value) {
this._state.insideClick = value;
},
enumerable: true,
configurable: true
});
Object.defineProperty(BsDropdownDirective.prototype, "isDisabled", {
get: /**
* @return {?}
*/
function () {
return this._isDisabled;
},
/**
* Disables dropdown toggle and hides dropdown menu if opened
*/
set: /**
* Disables dropdown toggle and hides dropdown menu if opened
* @param {?} value
* @return {?}
*/
function (value) {
this._isDisabled = value;
this._state.isDisabledChange.emit(value);
if (value) {
this.hide();
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(BsDropdownDirective.prototype, "isOpen", {
/**
* Returns whether or not the popover is currently being shown
*/
get: /**
* Returns whether or not the popover is currently being shown
* @return {?}
*/
function () {
if (this._showInline) {
return this._isInlineOpen;
}
return this._dropdown.isShown;
},
set: /**
* @param {?} value
* @return {?}
*/
function (value) {
if (value) {
this.show();
}
else {
this.hide();
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(BsDropdownDirective.prototype, "isBs4", {
get: /**
* @return {?}
*/
function () {
return !isBs3();
},
enumerable: true,
configurable: true
});
Object.defineProperty(BsDropdownDirective.prototype, "_showInline", {
get: /**
* @private
* @return {?}
*/
function () {
return !this.container;
},
enumerable: true,
configurable: true
});
/**
* @return {?}
*/
BsDropdownDirective.prototype.ngOnInit = /**
* @return {?}
*/
function () {
var _this = this;
// fix: seems there are an issue with `routerLinkActive`
// which result in duplicated call ngOnInit without call to ngOnDestroy
// read more: https://github.com/valor-software/ngx-bootstrap/issues/1885
if (this._isInited) {
return;
}
this._isInited = true;
// attach DOM listeners
this._dropdown.listen({
// because of dropdown inline mode
outsideClick: false,
triggers: this.triggers,
show: (/**
* @return {?}
*/
function () { return _this.show(); })
});
// toggle visibility on toggle element click
this._subscriptions.push(this._state.toggleClick.subscribe((/**
* @param {?} value
* @return {?}
*/
function (value) { return _this.toggle(value); })));
// hide dropdown if set disabled while opened
this._subscriptions.push(this._state.isDisabledChange
.pipe(filter((/**
* @param {?} value
* @return {?}
*/
function (value) { return value; })))
.subscribe((/**
* @param {?} value
* @return {?}
*/
function (value) { return _this.hide(); })));
};
/**
* Opens an element’s popover. This is considered a “manual” triggering of
* the popover.
*/
/**
* Opens an element’s popover. This is considered a “manual” triggering of
* the popover.
* @return {?}
*/
BsDropdownDirective.prototype.show = /**
* Opens an element’s popover. This is considered a “manual” triggering of
* the popover.
* @return {?}
*/
function () {
var _this = this;
if (this.isOpen || this.isDisabled) {
return;
}
if (this._showInline) {
if (!this._inlinedMenu) {
this._state.dropdownMenu.then((/**
* @param {?} dropdownMenu
* @return {?}
*/
function (dropdownMenu) {
_this._dropdown.attachInline(dropdownMenu.viewContainer, dropdownMenu.templateRef);
_this._inlinedMenu = _this._dropdown._inlineViewRef;
_this.addBs4Polyfills();
}))
// swallow errors
.catch();
}
this.addBs4Polyfills();
this._isInlineOpen = true;
this.onShown.emit(true);
this._state.isOpenChange.emit(true);
return;
}
this._state.dropdownMenu.then((/**
* @param {?} dropdownMenu
* @return {?}
*/
function (dropdownMenu) {
// check direction in which dropdown should be opened
/** @type {?} */
var _dropup = _this.dropup ||
(typeof _this.dropup !== 'undefined' && _this.dropup);
_this._state.direction = _dropup ? 'up' : 'down';
/** @type {?} */
var _placement = _this.placement || (_dropup ? 'top start' : 'bottom start');
// show dropdown
_this._dropdown
.attach(BsDropdownContainerComponent)
.to(_this.container)
.position({ attachment: _placement })
.show({
content: dropdownMenu.templateRef,
placement: _placement
});
_this._state.isOpenChange.emit(true);
}))
// swallow error
.catch();
};
/**
* Closes an element’s popover. This is considered a “manual” triggering of
* the popover.
*/
/**
* Closes an element’s popover. This is considered a “manual” triggering of
* the popover.
* @return {?}
*/
BsDropdownDirective.prototype.hide = /**
* Closes an element’s popover. This is considered a “manual” triggering of
* the popover.
* @return {?}
*/
function () {
if (!this.isOpen) {
return;
}
if (this._showInline) {
this.removeShowClass();
this.removeDropupStyles();
this._isInlineOpen = false;
this.onHidden.emit(true);
}
else {
this._dropdown.hide();
}
this._state.isOpenChange.emit(false);
};
/**
* Toggles an element’s popover. This is considered a “manual” triggering of
* the popover. With parameter <code>true</code> allows toggling, with parameter <code>false</code>
* only hides opened dropdown. Parameter usage will be removed in ngx-bootstrap v3
*/
/**
* Toggles an element’s popover. This is considered a “manual” triggering of
* the popover. With parameter <code>true</code> allows toggling, with parameter <code>false</code>
* only hides opened dropdown. Parameter usage will be removed in ngx-bootstrap v3
* @param {?=} value
* @return {?}
*/
BsDropdownDirective.prototype.toggle = /**
* Toggles an element’s popover. This is considered a “manual” triggering of
* the popover. With parameter <code>true</code> allows toggling, with parameter <code>false</code>
* only hides opened dropdown. Parameter usage will be removed in ngx-bootstrap v3
* @param {?=} value
* @return {?}
*/
function (value) {
if (this.isOpen || !value) {
return this.hide();
}
return this.show();
};
/** @internal */
/**
* \@internal
* @param {?} event
* @return {?}
*/
BsDropdownDirective.prototype._contains = /**
* \@internal
* @param {?} event
* @return {?}
*/
function (event) {
return this._elementRef.nativeElement.contains(event.target) ||
(this._dropdown.instance && this._dropdown.instance._contains(event.target));
};
/**
* @return {?}
*/
BsDropdownDirective.prototype.ngOnDestroy = /**
* @return {?}
*/
function () {
var e_1, _a;
try {
// clean up subscriptions and destroy dropdown
for (var _b = tslib_1.__values(this._subscriptions), _c = _b.next(); !_c.done; _c = _b.next()) {
var sub = _c.value;
sub.unsubscribe();
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
this._dropdown.dispose();
};
/**
* @private
* @return {?}
*/
BsDropdownDirective.prototype.addBs4Polyfills = /**
* @private
* @return {?}
*/
function () {
if (!isBs3()) {
this.addShowClass();
this.checkRightAlignment();
this.addDropupStyles();
}
};
/**
* @private
* @return {?}
*/
BsDropdownDirective.prototype.addShowClass = /**
* @private
* @return {?}
*/
function () {
if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {
this._renderer.addClass(this._inlinedMenu.rootNodes[0], 'show');
}
};
/**
* @private
* @return {?}
*/
BsDropdownDirective.prototype.removeShowClass = /**
* @private
* @return {?}
*/
function () {
if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {
this._renderer.removeClass(this._inlinedMenu.rootNodes[0], 'show');
}
};
/**
* @private
* @return {?}
*/
BsDropdownDirective.prototype.checkRightAlignment = /**
* @private
* @return {?}
*/
function () {
if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {
/** @type {?} */
var isRightAligned = this._inlinedMenu.rootNodes[0].classList.contains('dropdown-menu-right');
this._renderer.setStyle(this._inlinedMenu.rootNodes[0], 'left', isRightAligned ? 'auto' : '0');
this._renderer.setStyle(this._inlinedMenu.rootNodes[0], 'right', isRightAligned ? '0' : 'auto');
}
};
/**
* @private
* @return {?}
*/
BsDropdownDirective.prototype.addDropupStyles = /**
* @private
* @return {?}
*/
function () {
if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {
// a little hack to not break support of bootstrap 4 beta
this._renderer.setStyle(this._inlinedMenu.rootNodes[0], 'top', this.dropup ? 'auto' : '100%');
this._renderer.setStyle(this._inlinedMenu.rootNodes[0], 'transform', this.dropup ? 'translateY(-101%)' : 'translateY(0)');
this._renderer.setStyle(this._inlinedMenu.rootNodes[0], 'bottom', 'auto');
}
};
/**
* @private
* @return {?}
*/
BsDropdownDirective.prototype.removeDropupStyles = /**
* @private
* @return {?}
*/
function () {
if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {
this._renderer.removeStyle(this._inlinedMenu.rootNodes[0], 'top');
this._renderer.removeStyle(this._inlinedMenu.rootNodes[0], 'transform');
this._renderer.removeStyle(this._inlinedMenu.rootNodes[0], 'bottom');
}
};
BsDropdownDirective.decorators = [
{ type: Directive, args: [{
selector: '[bsDropdown],[dropdown]',
exportAs: 'bs-dropdown',
providers: [BsDropdownState],
host: {
'[class.dropup]': 'dropup',
'[class.open]': 'isOpen',
'[class.show]': 'isOpen && isBs4'
}
},] }
];
/** @nocollapse */
BsDropdownDirective.ctorParameters = function () { return [
{ type: ElementRef },
{ type: Renderer2 },
{ type: ViewContainerRef },
{ type: ComponentLoaderFactory },
{ type: BsDropdownConfig },
{ type: BsDropdownState }
]; };
BsDropdownDirective.propDecorators = {
placement: [{ type: Input }],
triggers: [{ type: Input }],
container: [{ type: Input }],
dropup: [{ type: Input }],
autoClose: [{ type: Input }],
insideClick: [{ type: Input }],
isDisabled: [{ type: Input }],
isOpen: [{ type: Input }],
isOpenChange: [{ type: Output }],
onShown: [{ type: Output }],
onHidden: [{ type: Output }]
};
return BsDropdownDirective;
}());
export { BsDropdownDirective };
if (false) {
/**
* Placement of a popover. Accepts: "top", "bottom", "left", "right"
* @type {?}
*/
BsDropdownDirective.prototype.placement;
/**
* Specifies events that should trigger. Supports a space separated list of
* event names.
* @type {?}
*/
BsDropdownDirective.prototype.triggers;
/**
* A selector specifying the element the popover should be appended to.
* @type {?}
*/
BsDropdownDirective.prototype.container;
/**
* This attribute indicates that the dropdown should be opened upwards
* @type {?}
*/
BsDropdownDirective.prototype.dropup;
/**
* Emits an event when isOpen change
* @type {?}
*/
BsDropdownDirective.prototype.isOpenChange;
/**
* Emits an event when the popover is shown
* @type {?}
*/
BsDropdownDirective.prototype.onShown;
/**
* Emits an event when the popover is hidden
* @type {?}
*/
BsDropdownDirective.prototype.onHidden;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._dropdown;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._isInlineOpen;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._inlinedMenu;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._isDisabled;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._subscriptions;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._isInited;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._elementRef;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._renderer;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._viewContainerRef;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._cis;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._config;
/**
* @type {?}
* @private
*/
BsDropdownDirective.prototype._state;
}
//# 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tslint:disable:max-file-line-count\nimport {\n  Directive,\n  ElementRef,\n  EmbeddedViewRef,\n  EventEmitter,\n  Input,\n  OnDestroy,\n  OnInit,\n  Output,\n  Renderer2,\n  ViewContainerRef\n} from '@angular/core';\nimport { filter } from 'rxjs/operators';\nimport { Subscription } from 'rxjs';\nimport { ComponentLoader, ComponentLoaderFactory, BsComponentRef } from 'ngx-bootstrap/component-loader';\n\nimport { BsDropdownConfig } from './bs-dropdown.config';\nimport { BsDropdownContainerComponent } from './bs-dropdown-container.component';\nimport { BsDropdownState } from './bs-dropdown.state';\nimport { BsDropdownMenuDirective } from './index';\nimport { isBs3 } from 'ngx-bootstrap/utils';\n\n@Directive({\n  selector: '[bsDropdown],[dropdown]',\n  exportAs: 'bs-dropdown',\n  providers: [BsDropdownState],\n  host: {\n    '[class.dropup]': 'dropup',\n    '[class.open]': 'isOpen',\n    '[class.show]': 'isOpen && isBs4'\n  }\n})\nexport class BsDropdownDirective implements OnInit, OnDestroy {\n  /**\n   * Placement of a popover. Accepts: \"top\", \"bottom\", \"left\", \"right\"\n   */\n  @Input() placement: string;\n  /**\n   * Specifies events that should trigger. Supports a space separated list of\n   * event names.\n   */\n  @Input() triggers: string;\n  /**\n   * A selector specifying the element the popover should be appended to.\n   */\n  @Input() container: string;\n\n  /**\n   * This attribute indicates that the dropdown should be opened upwards\n   */\n  @Input() dropup: boolean;\n\n  /**\n   * Indicates that dropdown will be closed on item or document click,\n   * and after pressing ESC\n   */\n  @Input()\n  set autoClose(value: boolean) {\n    this._state.autoClose = value;\n  }\n\n  get autoClose(): boolean {\n    return this._state.autoClose;\n  }\n\n  /**\n   * This attribute indicates that the dropdown shouldn't close on inside click when autoClose is set to true\n   */\n  @Input()\n  set insideClick(value: boolean) {\n    this._state.insideClick = value;\n  }\n\n  get insideClick(): boolean {\n    return this._state.insideClick;\n  }\n\n  /**\n   * Disables dropdown toggle and hides dropdown menu if opened\n   */\n  @Input()\n  set isDisabled(value: boolean) {\n    this._isDisabled = value;\n    this._state.isDisabledChange.emit(value);\n    if (value) {\n      this.hide();\n    }\n  }\n\n  get isDisabled(): boolean {\n    return this._isDisabled;\n  }\n\n  /**\n   * Returns whether or not the popover is currently being shown\n   */\n  @Input()\n  get isOpen(): boolean {\n    if (this._showInline) {\n      return this._isInlineOpen;\n    }\n\n    return this._dropdown.isShown;\n  }\n\n  set isOpen(value: boolean) {\n    if (value) {\n      this.show();\n    } else {\n      this.hide();\n    }\n  }\n\n  /**\n   * Emits an event when isOpen change\n   */\n  @Output() isOpenChange: EventEmitter<boolean>;\n\n  /**\n   * Emits an event when the popover is shown\n   */\n  @Output() onShown: EventEmitter<boolean>;\n\n  /**\n   * Emits an event when the popover is hidden\n   */\n  @Output() onHidden: EventEmitter<boolean>;\n\n  get isBs4(): boolean {\n    return !isBs3();\n  }\n\n  private _dropdown: ComponentLoader<BsDropdownContainerComponent>;\n\n  private get _showInline(): boolean {\n    return !this.container;\n  }\n\n  // todo: move to component loader\n  private _isInlineOpen = false;\n\n  private _inlinedMenu: EmbeddedViewRef<BsDropdownMenuDirective>;\n  private _isDisabled: boolean;\n  private _subscriptions: Subscription[] = [];\n  private _isInited = false;\n\n  constructor(private _elementRef: ElementRef,\n              private _renderer: Renderer2,\n              private _viewContainerRef: ViewContainerRef,\n              private _cis: ComponentLoaderFactory,\n              private _config: BsDropdownConfig,\n              private _state: BsDropdownState) {\n    // set initial dropdown state from config\n    this._state.autoClose = this._config.autoClose;\n    this._state.insideClick = this._config.insideClick;\n\n    // create dropdown component loader\n    this._dropdown = this._cis\n      .createLoader<BsDropdownContainerComponent>(\n        this._elementRef,\n        this._viewContainerRef,\n        this._renderer\n      )\n      .provide({provide: BsDropdownState, useValue: this._state});\n\n    this.onShown = this._dropdown.onShown;\n    this.onHidden = this._dropdown.onHidden;\n    this.isOpenChange = this._state.isOpenChange;\n\n  }\n\n  ngOnInit(): void {\n    // fix: seems there are an issue with `routerLinkActive`\n    // which result in duplicated call ngOnInit without call to ngOnDestroy\n    // read more: https://github.com/valor-software/ngx-bootstrap/issues/1885\n    if (this._isInited) {\n      return;\n    }\n    this._isInited = true;\n\n    // attach DOM listeners\n    this._dropdown.listen({\n      // because of dropdown inline mode\n      outsideClick: false,\n      triggers: this.triggers,\n      show: () => this.show()\n    });\n\n    // toggle visibility on toggle element click\n    this._subscriptions.push(\n      this._state.toggleClick.subscribe((value: boolean) => this.toggle(value))\n    );\n\n    // hide dropdown if set disabled while opened\n    this._subscriptions.push(\n      this._state.isDisabledChange\n        .pipe(\n          filter((value: boolean) => value)\n        )\n        .subscribe((value: boolean) => this.hide())\n    );\n  }\n\n  /**\n   * Opens an element’s popover. This is considered a “manual” triggering of\n   * the popover.\n   */\n  show(): void {\n    if (this.isOpen || this.isDisabled) {\n      return;\n    }\n\n    if (this._showInline) {\n      if (!this._inlinedMenu) {\n        this._state.dropdownMenu.then(\n          (dropdownMenu: BsComponentRef<BsDropdownMenuDirective>) => {\n            this._dropdown.attachInline(\n              dropdownMenu.viewContainer,\n              dropdownMenu.templateRef\n            );\n            this._inlinedMenu = this._dropdown._inlineViewRef;\n            this.addBs4Polyfills();\n          }\n        )\n        // swallow errors\n          .catch();\n      }\n      this.addBs4Polyfills();\n      this._isInlineOpen = true;\n      this.onShown.emit(true);\n      this._state.isOpenChange.emit(true);\n\n      return;\n    }\n    this._state.dropdownMenu.then(dropdownMenu => {\n      // check direction in which dropdown should be opened\n      const _dropup =\n        this.dropup ||\n        (typeof this.dropup !== 'undefined' && this.dropup);\n      this._state.direction = _dropup ? 'up' : 'down';\n      const _placement =\n        this.placement || (_dropup ? 'top start' : 'bottom start');\n\n      // show dropdown\n      this._dropdown\n        .attach(BsDropdownContainerComponent)\n        .to(this.container)\n        .position({attachment: _placement})\n        .show({\n          content: dropdownMenu.templateRef,\n          placement: _placement\n        });\n\n      this._state.isOpenChange.emit(true);\n    })\n    // swallow error\n      .catch();\n  }\n\n  /**\n   * Closes an element’s popover. This is considered a “manual” triggering of\n   * the popover.\n   */\n  hide(): void {\n    if (!this.isOpen) {\n      return;\n    }\n\n    if (this._showInline) {\n      this.removeShowClass();\n      this.removeDropupStyles();\n      this._isInlineOpen = false;\n      this.onHidden.emit(true);\n    } else {\n      this._dropdown.hide();\n    }\n\n    this._state.isOpenChange.emit(false);\n  }\n\n  /**\n   * Toggles an element’s popover. This is considered a “manual” triggering of\n   * the popover. With parameter <code>true</code> allows toggling, with parameter <code>false</code>\n   * only hides opened dropdown. Parameter usage will be removed in ngx-bootstrap v3\n   */\n  toggle(value?: boolean): void {\n    if (this.isOpen || !value) {\n      return this.hide();\n    }\n\n    return this.show();\n  }\n\n  /** @internal */\n  _contains(event: any): boolean {\n    return this._elementRef.nativeElement.contains(event.target) ||\n      (this._dropdown.instance && this._dropdown.instance._contains(event.target));\n  }\n\n  ngOnDestroy(): void {\n    // clean up subscriptions and destroy dropdown\n    for (const sub of this._subscriptions) {\n      sub.unsubscribe();\n    }\n    this._dropdown.dispose();\n  }\n\n  private addBs4Polyfills(): void {\n    if (!isBs3()) {\n      this.addShowClass();\n      this.checkRightAlignment();\n      this.addDropupStyles();\n    }\n  }\n\n  private addShowClass(): void {\n    if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {\n      this._renderer.addClass(this._inlinedMenu.rootNodes[0], 'show');\n    }\n  }\n\n  private removeShowClass(): void {\n    if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {\n      this._renderer.removeClass(this._inlinedMenu.rootNodes[0], 'show');\n    }\n  }\n\n  private checkRightAlignment(): void {\n    if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {\n      const isRightAligned = this._inlinedMenu.rootNodes[0].classList.contains(\n        'dropdown-menu-right'\n      );\n      this._renderer.setStyle(\n        this._inlinedMenu.rootNodes[0],\n        'left',\n        isRightAligned ? 'auto' : '0'\n      );\n      this._renderer.setStyle(\n        this._inlinedMenu.rootNodes[0],\n        'right',\n        isRightAligned ? '0' : 'auto'\n      );\n    }\n  }\n\n  private addDropupStyles(): void {\n    if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {\n      // a little hack to not break support of bootstrap 4 beta\n      this._renderer.setStyle(\n        this._inlinedMenu.rootNodes[0],\n        'top',\n        this.dropup ? 'auto' : '100%'\n      );\n      this._renderer.setStyle(\n        this._inlinedMenu.rootNodes[0],\n        'transform',\n        this.dropup ? 'translateY(-101%)' : 'translateY(0)'\n      );\n      this._renderer.setStyle(\n        this._inlinedMenu.rootNodes[0],\n        'bottom',\n        'auto'\n      );\n    }\n  }\n\n  private removeDropupStyles(): void {\n    if (this._inlinedMenu && this._inlinedMenu.rootNodes[0]) {\n      this._renderer.removeStyle(this._inlinedMenu.rootNodes[0], 'top');\n      this._renderer.removeStyle(this._inlinedMenu.rootNodes[0], 'transform');\n      this._renderer.removeStyle(this._inlinedMenu.rootNodes[0], 'bottom');\n    }\n  }\n}\n"]}