| /** |
| * @fileoverview added by tsickle |
| * @suppress {checkTypes,extraRequire,missingReturn,uselessCode} checked by tsc |
| */ |
| import { Component, ContentChildren, QueryList, ChangeDetectionStrategy, ChangeDetectorRef, ElementRef, Input, } from '@angular/core'; |
| import { Subscription, Subject, fromEvent, merge, } from 'rxjs'; |
| import { debounceTime, distinctUntilChanged, } from 'rxjs/operators'; |
| import { TdBreadcrumbComponent } from './breadcrumb/breadcrumb.component'; |
| var TdBreadcrumbsComponent = /** @class */ (function () { |
| function TdBreadcrumbsComponent(_elementRef, _changeDetectorRef) { |
| this._elementRef = _elementRef; |
| this._changeDetectorRef = _changeDetectorRef; |
| this._resizeSubscription = Subscription.EMPTY; |
| this._widthSubject = new Subject(); |
| this._resizing = false; |
| // the list of hidden breadcrumbs not shown right now (responsive) |
| this.hiddenBreadcrumbs = []; |
| /** |
| * Sets the icon url shown between breadcrumbs. Defaults to 'chevron_right'. |
| */ |
| this.separatorIcon = 'chevron_right'; |
| } |
| /** |
| * @return {?} |
| */ |
| TdBreadcrumbsComponent.prototype.ngOnInit = /** |
| * @return {?} |
| */ |
| function () { |
| var _this = this; |
| this._resizeSubscription = merge(fromEvent(window, 'resize').pipe(debounceTime(10)), this._widthSubject.asObservable().pipe(distinctUntilChanged())).subscribe(function () { |
| if (!_this._resizing) { |
| _this._resizing = true; |
| setTimeout(function () { |
| _this._calculateVisibility(); |
| _this._resizing = false; |
| _this._changeDetectorRef.markForCheck(); |
| }, 100); |
| } |
| }); |
| }; |
| /** |
| * @return {?} |
| */ |
| TdBreadcrumbsComponent.prototype.ngDoCheck = /** |
| * @return {?} |
| */ |
| function () { |
| if (this._elementRef && this._elementRef.nativeElement) { |
| this._widthSubject.next(this.nativeElementWidth); |
| } |
| }; |
| /** |
| * @return {?} |
| */ |
| TdBreadcrumbsComponent.prototype.ngAfterContentInit = /** |
| * @return {?} |
| */ |
| function () { |
| this.setCrumbIcons(); |
| this._changeDetectorRef.markForCheck(); |
| }; |
| /** |
| * @return {?} |
| */ |
| TdBreadcrumbsComponent.prototype.ngOnDestroy = /** |
| * @return {?} |
| */ |
| function () { |
| this._resizeSubscription.unsubscribe(); |
| }; |
| Object.defineProperty(TdBreadcrumbsComponent.prototype, "nativeElementWidth", { |
| /* |
| * Current width of the element container |
| */ |
| get: /* |
| * Current width of the element container |
| */ |
| /** |
| * @return {?} |
| */ |
| function () { |
| /** @type {?} */ |
| var element = ((/** @type {?} */ (this._elementRef.nativeElement))); |
| // Need to take into account border, margin and padding that might be around all the crumbs |
| /** @type {?} */ |
| var style = window.getComputedStyle(element); |
| /** @type {?} */ |
| var borderLeft = parseInt(style.borderLeft, 10); |
| /** @type {?} */ |
| var borderRight = parseInt(style.borderRight, 10); |
| /** @type {?} */ |
| var marginLeft = parseInt(style.marginLeft, 10); |
| /** @type {?} */ |
| var marginRight = parseInt(style.marginRight, 10); |
| /** @type {?} */ |
| var paddingLeft = parseInt(style.paddingLeft, 10); |
| /** @type {?} */ |
| var paddingRight = parseInt(style.paddingRight, 10); |
| return element.getBoundingClientRect().width - borderLeft - borderRight - marginLeft - marginRight - paddingLeft - paddingRight; |
| }, |
| enumerable: true, |
| configurable: true |
| }); |
| Object.defineProperty(TdBreadcrumbsComponent.prototype, "count", { |
| /** |
| * The total count of individual breadcrumbs |
| */ |
| get: /** |
| * The total count of individual breadcrumbs |
| * @return {?} |
| */ |
| function () { |
| return this._breadcrumbs ? this._breadcrumbs.length : 0; |
| }, |
| enumerable: true, |
| configurable: true |
| }); |
| /** |
| * Set the crumb icon separators |
| */ |
| /** |
| * Set the crumb icon separators |
| * @return {?} |
| */ |
| TdBreadcrumbsComponent.prototype.setCrumbIcons = /** |
| * Set the crumb icon separators |
| * @return {?} |
| */ |
| function () { |
| var _this = this; |
| /** @type {?} */ |
| var breadcrumbArray = this._breadcrumbs.toArray(); |
| if (breadcrumbArray.length > 0) { |
| // don't show the icon on the last breadcrumb |
| breadcrumbArray[breadcrumbArray.length - 1]._displayIcon = false; |
| } |
| breadcrumbArray.forEach(function (breadcrumb) { |
| breadcrumb.separatorIcon = _this.separatorIcon; |
| }); |
| }; |
| /** |
| * @return {?} |
| */ |
| TdBreadcrumbsComponent.prototype._calculateVisibility = /** |
| * @return {?} |
| */ |
| function () { |
| /** @type {?} */ |
| var crumbsArray = this._breadcrumbs.toArray(); |
| /** @type {?} */ |
| var crumbWidthSum = 0; |
| /** @type {?} */ |
| var hiddenCrumbs = []; |
| // loop through crumbs in reverse order to calculate which ones should be removed |
| for (var i = crumbsArray.length - 1; i >= 0; i--) { |
| /** @type {?} */ |
| var breadcrumb = crumbsArray[i]; |
| // if crumb exceeds width, then we skip it from the sum and add it into the hiddencrumbs array |
| // and hide it |
| if ((crumbWidthSum + breadcrumb.width) > this.nativeElementWidth) { |
| breadcrumb.displayCrumb = false; |
| hiddenCrumbs.push(breadcrumb); |
| } |
| else { |
| // else we show it |
| breadcrumb.displayCrumb = true; |
| } |
| crumbWidthSum += breadcrumb.width; |
| } |
| this.hiddenBreadcrumbs = hiddenCrumbs; |
| this._changeDetectorRef.markForCheck(); |
| }; |
| TdBreadcrumbsComponent.decorators = [ |
| { type: Component, args: [{ |
| selector: 'td-breadcrumbs', |
| template: "<ng-content></ng-content>\n", |
| /* tslint:disable-next-line */ |
| host: { |
| class: 'td-breadcrumbs', |
| }, |
| changeDetection: ChangeDetectionStrategy.OnPush, |
| styles: [":host{display:block;width:100%}:host.td-breadcrumbs{white-space:nowrap}"] |
| }] } |
| ]; |
| /** @nocollapse */ |
| TdBreadcrumbsComponent.ctorParameters = function () { return [ |
| { type: ElementRef }, |
| { type: ChangeDetectorRef } |
| ]; }; |
| TdBreadcrumbsComponent.propDecorators = { |
| _breadcrumbs: [{ type: ContentChildren, args: [TdBreadcrumbComponent,] }], |
| separatorIcon: [{ type: Input, args: ['separatorIcon',] }] |
| }; |
| return TdBreadcrumbsComponent; |
| }()); |
| export { TdBreadcrumbsComponent }; |
| if (false) { |
| /** @type {?} */ |
| TdBreadcrumbsComponent.prototype._resizeSubscription; |
| /** @type {?} */ |
| TdBreadcrumbsComponent.prototype._widthSubject; |
| /** @type {?} */ |
| TdBreadcrumbsComponent.prototype._resizing; |
| /** @type {?} */ |
| TdBreadcrumbsComponent.prototype._breadcrumbs; |
| /** @type {?} */ |
| TdBreadcrumbsComponent.prototype.hiddenBreadcrumbs; |
| /** |
| * Sets the icon url shown between breadcrumbs. Defaults to 'chevron_right'. |
| * @type {?} |
| */ |
| TdBreadcrumbsComponent.prototype.separatorIcon; |
| /** @type {?} */ |
| TdBreadcrumbsComponent.prototype._elementRef; |
| /** @type {?} */ |
| TdBreadcrumbsComponent.prototype._changeDetectorRef; |
| } |
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{\n  Component,\n  ContentChildren,\n  QueryList,\n  OnInit,\n  OnDestroy,\n  ChangeDetectionStrategy,\n  AfterContentInit,\n  DoCheck,\n  ChangeDetectorRef,\n  ElementRef,\n  Input,\n} from '@angular/core';\n\nimport {\n  Subscription,\n  Subject,\n  fromEvent,\n  merge,\n} from 'rxjs';\nimport {\n  debounceTime,\n  distinctUntilChanged,\n} from 'rxjs/operators';\n\nimport { TdBreadcrumbComponent } from './breadcrumb/breadcrumb.component';\n\n@Component({\n  selector: 'td-breadcrumbs',\n  styleUrls: ['./breadcrumbs.component.scss'],\n  templateUrl: './breadcrumbs.component.html',\n  /* tslint:disable-next-line */\n  host: {\n    class: 'td-breadcrumbs',\n  },\n  changeDetection: ChangeDetectionStrategy.OnPush,\n})\nexport class TdBreadcrumbsComponent implements OnInit, DoCheck, AfterContentInit, OnDestroy {\n\n  private _resizeSubscription: Subscription = Subscription.EMPTY;\n  private _widthSubject: Subject<number> = new Subject<number>();\n  private _resizing: boolean = false;\n\n  // all the sub components, which are the individual breadcrumbs\n  @ContentChildren(TdBreadcrumbComponent) _breadcrumbs: QueryList<TdBreadcrumbComponent>;\n  // the list of hidden breadcrumbs not shown right now (responsive)\n  hiddenBreadcrumbs: TdBreadcrumbComponent[] = [];\n\n  /**\n   * Sets the icon url shown between breadcrumbs. Defaults to 'chevron_right'.\n   */\n  @Input('separatorIcon') separatorIcon: string = 'chevron_right';\n\n  constructor(private _elementRef: ElementRef,\n              private _changeDetectorRef: ChangeDetectorRef) {\n  }\n\n  ngOnInit(): void {\n    this._resizeSubscription = merge(\n      fromEvent(window, 'resize').pipe(\n        debounceTime(10),\n      ),\n      this._widthSubject.asObservable().pipe(\n        distinctUntilChanged(),\n      ),\n    ).subscribe(() => {\n      if (!this._resizing) {\n        this._resizing = true;\n        setTimeout(() => {\n          this._calculateVisibility();\n          this._resizing = false;\n          this._changeDetectorRef.markForCheck();\n        }, 100);\n      }\n    });\n  }\n\n  ngDoCheck(): void {\n    if (this._elementRef && this._elementRef.nativeElement) {\n      this._widthSubject.next(this.nativeElementWidth);\n    }\n  }\n\n  ngAfterContentInit(): void {\n    this.setCrumbIcons();\n    this._changeDetectorRef.markForCheck();\n  }\n\n  ngOnDestroy(): void {\n    this._resizeSubscription.unsubscribe();\n  }\n\n  /*\n  * Current width of the element container\n  */\n  get nativeElementWidth(): number {\n    let element: HTMLElement = (<HTMLElement>this._elementRef.nativeElement);\n    // Need to take into account border, margin and padding that might be around all the crumbs\n    let style: CSSStyleDeclaration = window.getComputedStyle(element);\n    let borderLeft: number = parseInt(style.borderLeft, 10);\n    let borderRight: number = parseInt(style.borderRight, 10);\n    let marginLeft: number = parseInt(style.marginLeft, 10);\n    let marginRight: number = parseInt(style.marginRight, 10);\n    let paddingLeft: number = parseInt(style.paddingLeft, 10);\n    let paddingRight: number = parseInt(style.paddingRight, 10);\n\n    return element.getBoundingClientRect().width - borderLeft - borderRight - marginLeft - marginRight - paddingLeft - paddingRight;\n  }\n\n  /**\n   * The total count of individual breadcrumbs\n   */\n  get count(): number {\n    return this._breadcrumbs ? this._breadcrumbs.length : 0;\n  }\n\n  /**\n   * Set the crumb icon separators\n   */\n  private setCrumbIcons(): void {\n    let breadcrumbArray: TdBreadcrumbComponent[] = this._breadcrumbs.toArray();\n    if (breadcrumbArray.length > 0) {\n      // don't show the icon on the last breadcrumb\n      breadcrumbArray[breadcrumbArray.length - 1]._displayIcon = false;\n    }\n    breadcrumbArray.forEach((breadcrumb: TdBreadcrumbComponent) => {\n      breadcrumb.separatorIcon = this.separatorIcon;\n    });\n  }\n\n  private _calculateVisibility(): void {\n    let crumbsArray: TdBreadcrumbComponent[] = this._breadcrumbs.toArray();\n    let crumbWidthSum: number = 0;\n    let hiddenCrumbs: TdBreadcrumbComponent[] = [];\n    // loop through crumbs in reverse order to calculate which ones should be removed\n    for (let i: number = crumbsArray.length - 1; i >= 0; i--) {\n      let breadcrumb: TdBreadcrumbComponent = crumbsArray[i];\n      // if crumb exceeds width, then we skip it from the sum and add it into the hiddencrumbs array\n      // and hide it\n      if ((crumbWidthSum + breadcrumb.width) > this.nativeElementWidth) {\n        breadcrumb.displayCrumb = false;\n        hiddenCrumbs.push(breadcrumb);\n      } else {\n        // else we show it\n        breadcrumb.displayCrumb = true;\n      }\n      crumbWidthSum += breadcrumb.width;\n    }\n    this.hiddenBreadcrumbs = hiddenCrumbs;\n    this._changeDetectorRef.markForCheck();\n  }\n\n}\n"]} |