/** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ import { __extends } from "tslib"; import { AriaDescriber } from '@angular/cdk/a11y'; import { coerceBooleanProperty } from '@angular/cdk/coercion'; import { Directive, ElementRef, Inject, Input, NgZone, Optional, Renderer2, isDevMode, } from '@angular/core'; import { mixinDisabled } from '@angular/material/core'; import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations'; var nextId = 0; // Boilerplate for applying mixins to MatBadge. /** @docs-private */ var MatBadgeBase = /** @class */ (function () { function MatBadgeBase() { } return MatBadgeBase; }()); var _MatBadgeMixinBase = mixinDisabled(MatBadgeBase); /** Directive to display a text badge. */ var MatBadge = /** @class */ (function (_super) { __extends(MatBadge, _super); function MatBadge(_ngZone, _elementRef, _ariaDescriber, _renderer, _animationMode) { var _this = _super.call(this) || this; _this._ngZone = _ngZone; _this._elementRef = _elementRef; _this._ariaDescriber = _ariaDescriber; _this._renderer = _renderer; _this._animationMode = _animationMode; /** Whether the badge has any content. */ _this._hasContent = false; _this._color = 'primary'; _this._overlap = true; /** * Position the badge should reside. * Accepts any combination of 'above'|'below' and 'before'|'after' */ _this.position = 'above after'; /** Size of the badge. Can be 'small', 'medium', or 'large'. */ _this.size = 'medium'; /** Unique id for the badge */ _this._id = nextId++; if (isDevMode()) { var nativeElement = _elementRef.nativeElement; if (nativeElement.nodeType !== nativeElement.ELEMENT_NODE) { throw Error('matBadge must be attached to an element node.'); } } return _this; } Object.defineProperty(MatBadge.prototype, "color", { /** The color of the badge. Can be `primary`, `accent`, or `warn`. */ get: function () { return this._color; }, set: function (value) { this._setColor(value); this._color = value; }, enumerable: true, configurable: true }); Object.defineProperty(MatBadge.prototype, "overlap", { /** Whether the badge should overlap its contents or not */ get: function () { return this._overlap; }, set: function (val) { this._overlap = coerceBooleanProperty(val); }, enumerable: true, configurable: true }); Object.defineProperty(MatBadge.prototype, "description", { /** Message used to describe the decorated element via aria-describedby */ get: function () { return this._description; }, set: function (newDescription) { if (newDescription !== this._description) { var badgeElement = this._badgeElement; this._updateHostAriaDescription(newDescription, this._description); this._description = newDescription; if (badgeElement) { newDescription ? badgeElement.setAttribute('aria-label', newDescription) : badgeElement.removeAttribute('aria-label'); } } }, enumerable: true, configurable: true }); Object.defineProperty(MatBadge.prototype, "hidden", { /** Whether the badge is hidden. */ get: function () { return this._hidden; }, set: function (val) { this._hidden = coerceBooleanProperty(val); }, enumerable: true, configurable: true }); /** Whether the badge is above the host or not */ MatBadge.prototype.isAbove = function () { return this.position.indexOf('below') === -1; }; /** Whether the badge is after the host or not */ MatBadge.prototype.isAfter = function () { return this.position.indexOf('before') === -1; }; MatBadge.prototype.ngOnChanges = function (changes) { var contentChange = changes['content']; if (contentChange) { var value = contentChange.currentValue; this._hasContent = value != null && ("" + value).trim().length > 0; this._updateTextContent(); } }; MatBadge.prototype.ngOnDestroy = function () { var badgeElement = this._badgeElement; if (badgeElement) { if (this.description) { this._ariaDescriber.removeDescription(badgeElement, this.description); } // When creating a badge through the Renderer, Angular will keep it in an index. // We have to destroy it ourselves, otherwise it'll be retained in memory. if (this._renderer.destroyNode) { this._renderer.destroyNode(badgeElement); } } }; /** * Gets the element into which the badge's content is being rendered. * Undefined if the element hasn't been created (e.g. if the badge doesn't have content). */ MatBadge.prototype.getBadgeElement = function () { return this._badgeElement; }; /** Injects a span element into the DOM with the content. */ MatBadge.prototype._updateTextContent = function () { if (!this._badgeElement) { this._badgeElement = this._createBadgeElement(); } else { this._badgeElement.textContent = this.content; } return this._badgeElement; }; /** Creates the badge element */ MatBadge.prototype._createBadgeElement = function () { var badgeElement = this._renderer.createElement('span'); var activeClass = 'mat-badge-active'; var contentClass = 'mat-badge-content'; // Clear any existing badges which may have persisted from a server-side render. this._clearExistingBadges(contentClass); badgeElement.setAttribute('id', "mat-badge-content-" + this._id); badgeElement.classList.add(contentClass); badgeElement.textContent = this.content; if (this._animationMode === 'NoopAnimations') { badgeElement.classList.add('_mat-animation-noopable'); } if (this.description) { badgeElement.setAttribute('aria-label', this.description); } this._elementRef.nativeElement.appendChild(badgeElement); // animate in after insertion if (typeof requestAnimationFrame === 'function' && this._animationMode !== 'NoopAnimations') { this._ngZone.runOutsideAngular(function () { requestAnimationFrame(function () { badgeElement.classList.add(activeClass); }); }); } else { badgeElement.classList.add(activeClass); } return badgeElement; }; /** Sets the aria-label property on the element */ MatBadge.prototype._updateHostAriaDescription = function (newDescription, oldDescription) { // ensure content available before setting label var content = this._updateTextContent(); if (oldDescription) { this._ariaDescriber.removeDescription(content, oldDescription); } if (newDescription) { this._ariaDescriber.describe(content, newDescription); } }; /** Adds css theme class given the color to the component host */ MatBadge.prototype._setColor = function (colorPalette) { if (colorPalette !== this._color) { if (this._color) { this._elementRef.nativeElement.classList.remove("mat-badge-" + this._color); } if (colorPalette) { this._elementRef.nativeElement.classList.add("mat-badge-" + colorPalette); } } }; /** Clears any existing badges that might be left over from server-side rendering. */ MatBadge.prototype._clearExistingBadges = function (cssClass) { var element = this._elementRef.nativeElement; var childCount = element.children.length; // Use a reverse while, because we'll be removing elements from the list as we're iterating. while (childCount--) { var currentChild = element.children[childCount]; if (currentChild.classList.contains(cssClass)) { element.removeChild(currentChild); } } }; MatBadge.decorators = [ { type: Directive, args: [{ selector: '[matBadge]', inputs: ['disabled: matBadgeDisabled'], host: { 'class': 'mat-badge', '[class.mat-badge-overlap]': 'overlap', '[class.mat-badge-above]': 'isAbove()', '[class.mat-badge-below]': '!isAbove()', '[class.mat-badge-before]': '!isAfter()', '[class.mat-badge-after]': 'isAfter()', '[class.mat-badge-small]': 'size === "small"', '[class.mat-badge-medium]': 'size === "medium"', '[class.mat-badge-large]': 'size === "large"', '[class.mat-badge-hidden]': 'hidden || !_hasContent', '[class.mat-badge-disabled]': 'disabled', }, },] } ]; /** @nocollapse */ MatBadge.ctorParameters = function () { return [ { type: NgZone }, { type: ElementRef }, { type: AriaDescriber }, { type: Renderer2 }, { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] } ]; }; MatBadge.propDecorators = { color: [{ type: Input, args: ['matBadgeColor',] }], overlap: [{ type: Input, args: ['matBadgeOverlap',] }], position: [{ type: Input, args: ['matBadgePosition',] }], content: [{ type: Input, args: ['matBadge',] }], description: [{ type: Input, args: ['matBadgeDescription',] }], size: [{ type: Input, args: ['matBadgeSize',] }], hidden: [{ type: Input, args: ['matBadgeHidden',] }] }; return MatBadge; }(_MatBadgeMixinBase)); export { MatBadge }; //# 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'above after' | 'above before' | 'below before' | 'below after' |\n    'before' | 'after' | 'above' | 'below';\n\n/** Allowed size options for matBadgeSize */\nexport type MatBadgeSize = 'small' | 'medium' | 'large';\n\n/** Directive to display a text badge. */\n@Directive({\n  selector: '[matBadge]',\n  inputs: ['disabled: matBadgeDisabled'],\n  host: {\n    'class': 'mat-badge',\n    '[class.mat-badge-overlap]': 'overlap',\n    '[class.mat-badge-above]': 'isAbove()',\n    '[class.mat-badge-below]': '!isAbove()',\n    '[class.mat-badge-before]': '!isAfter()',\n    '[class.mat-badge-after]': 'isAfter()',\n    '[class.mat-badge-small]': 'size === \"small\"',\n    '[class.mat-badge-medium]': 'size === \"medium\"',\n    '[class.mat-badge-large]': 'size === \"large\"',\n    '[class.mat-badge-hidden]': 'hidden || !_hasContent',\n    '[class.mat-badge-disabled]': 'disabled',\n  },\n})\nexport class MatBadge extends _MatBadgeMixinBase implements OnDestroy, OnChanges, CanDisable {\n  /** 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Can be `primary`, `accent`, or `warn`. */\n  @Input('matBadgeColor')\n  get color(): ThemePalette { return this._color; }\n  set color(value: ThemePalette) {\n    this._setColor(value);\n    this._color = value;\n  }\n  private _color: ThemePalette = 'primary';\n\n  /** Whether the badge should overlap its contents or not */\n  @Input('matBadgeOverlap')\n  get overlap(): boolean { return this._overlap; }\n  set overlap(val: boolean) {\n    this._overlap = coerceBooleanProperty(val);\n  }\n  private _overlap: boolean = true;\n\n  /**\n   * Position the badge should reside.\n   * Accepts any combination of 'above'|'below' and 'before'|'after'\n   */\n  @Input('matBadgePosition') position: MatBadgePosition = 'above after';\n\n  /** The content for the badge */\n  @Input('matBadge') content: string;\n\n  /** Message used to describe the decorated element via aria-describedby */\n  @Input('matBadgeDescription')\n  get description(): string { return this._description; }\n  set description(newDescription: string) {\n    if (newDescription !== this._description) {\n      const badgeElement = this._badgeElement;\n      this._updateHostAriaDescription(newDescription, this._description);\n      this._description = newDescription;\n\n      if (badgeElement) {\n        newDescription ? badgeElement.setAttribute('aria-label', newDescription) :\n            badgeElement.removeAttribute('aria-label');\n      }\n    }\n  }\n  private _description: string;\n\n  /** Size of the badge. Can be 'small', 'medium', or 'large'. */\n  @Input('matBadgeSize') size: MatBadgeSize = 'medium';\n\n  /** Whether the badge is hidden. */\n  @Input('matBadgeHidden')\n  get hidden(): boolean { return this._hidden; }\n  set hidden(val: boolean) {\n    this._hidden = coerceBooleanProperty(val);\n  }\n  private _hidden: boolean;\n\n  /** Unique id for the badge */\n  _id: number = nextId++;\n\n  private _badgeElement: HTMLElement | undefined;\n\n  constructor(\n      private _ngZone: NgZone,\n      private _elementRef: ElementRef<HTMLElement>,\n      private _ariaDescriber: AriaDescriber,\n      private _renderer: Renderer2,\n      @Optional() @Inject(ANIMATION_MODULE_TYPE) private _animationMode?: string) {\n      super();\n\n      if (isDevMode()) {\n        const nativeElement = _elementRef.nativeElement;\n        if (nativeElement.nodeType !== nativeElement.ELEMENT_NODE) {\n          throw Error('matBadge must be attached to an element node.');\n        }\n      }\n    }\n\n  /** Whether the badge is above the host or not */\n  isAbove(): boolean {\n    return this.position.indexOf('below') === -1;\n  }\n\n  /** Whether the badge is after the host or not */\n  isAfter(): boolean {\n    return this.position.indexOf('before') === -1;\n  }\n\n  ngOnChanges(changes: SimpleChanges) {\n    const contentChange = changes['content'];\n\n    if (contentChange) {\n      const value = contentChange.currentValue;\n      this._hasContent = value != null && `${value}`.trim().length > 0;\n      this._updateTextContent();\n    }\n  }\n\n  ngOnDestroy() {\n    const badgeElement = this._badgeElement;\n\n    if (badgeElement) {\n      if (this.description) {\n        this._ariaDescriber.removeDescription(badgeElement, this.description);\n      }\n\n      // When creating a badge through the Renderer, Angular will keep it in an index.\n      // We have to destroy it ourselves, otherwise it'll be retained in memory.\n      if (this._renderer.destroyNode) {\n        this._renderer.destroyNode(badgeElement);\n      }\n    }\n  }\n\n  /**\n   * Gets the element into which the badge's content is being rendered.\n   * Undefined if the element hasn't been created (e.g. if the badge doesn't have content).\n   */\n  getBadgeElement(): HTMLElement | undefined {\n    return this._badgeElement;\n  }\n\n  /** Injects a span element into the DOM with the content. */\n  private _updateTextContent(): HTMLSpanElement {\n    if (!this._badgeElement) {\n      this._badgeElement = this._createBadgeElement();\n    } else {\n      this._badgeElement.textContent = this.content;\n    }\n    return this._badgeElement;\n  }\n\n  /** Creates the badge element */\n  private _createBadgeElement(): HTMLElement {\n    const badgeElement = this._renderer.createElement('span');\n    const activeClass = 'mat-badge-active';\n    const contentClass = 'mat-badge-content';\n\n    // Clear any existing badges which may have persisted from a server-side render.\n    this._clearExistingBadges(contentClass);\n    badgeElement.setAttribute('id', `mat-badge-content-${this._id}`);\n    badgeElement.classList.add(contentClass);\n    badgeElement.textContent = this.content;\n\n    if (this._animationMode === 'NoopAnimations') {\n      badgeElement.classList.add('_mat-animation-noopable');\n    }\n\n    if (this.description) {\n      badgeElement.setAttribute('aria-label', this.description);\n    }\n\n    this._elementRef.nativeElement.appendChild(badgeElement);\n\n    // animate in after insertion\n    if (typeof requestAnimationFrame === 'function' && this._animationMode !== 'NoopAnimations') {\n      this._ngZone.runOutsideAngular(() => {\n        requestAnimationFrame(() => {\n          badgeElement.classList.add(activeClass);\n        });\n      });\n    } else {\n      badgeElement.classList.add(activeClass);\n    }\n\n    return badgeElement;\n  }\n\n  /** Sets the aria-label property on the element */\n  private _updateHostAriaDescription(newDescription: string, oldDescription: string): void {\n    // ensure content available before setting label\n    const content = this._updateTextContent();\n\n    if (oldDescription) {\n      this._ariaDescriber.removeDescription(content, oldDescription);\n    }\n\n    if (newDescription) {\n      this._ariaDescriber.describe(content, newDescription);\n    }\n  }\n\n  /** Adds css theme class given the color to the component host */\n  private _setColor(colorPalette: ThemePalette) {\n    if (colorPalette !== this._color) {\n      if (this._color) {\n        this._elementRef.nativeElement.classList.remove(`mat-badge-${this._color}`);\n      }\n      if (colorPalette) {\n        this._elementRef.nativeElement.classList.add(`mat-badge-${colorPalette}`);\n      }\n    }\n  }\n\n  /** Clears any existing badges that might be left over from server-side rendering. */\n  private _clearExistingBadges(cssClass: string) {\n    const element = this._elementRef.nativeElement;\n    let childCount = element.children.length;\n\n    // Use a reverse while, because we'll be removing elements from the list as we're iterating.\n    while (childCount--) {\n      const currentChild = element.children[childCount];\n\n      if (currentChild.classList.contains(cssClass)) {\n        element.removeChild(currentChild);\n      }\n    }\n  }\n\n  static ngAcceptInputType_disabled: BooleanInput;\n  static ngAcceptInputType_hidden: BooleanInput;\n  static ngAcceptInputType_overlap: BooleanInput;\n}\n"]}