@angular/material
Version:
Angular Material
122 lines • 14.4 kB
JavaScript
/**
* @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 { TemplatePortal } from '@angular/cdk/portal';
import { ChangeDetectionStrategy, Component, ContentChild, Input, TemplateRef, ViewChild, ViewContainerRef, ViewEncapsulation, InjectionToken, Inject, Optional, } from '@angular/core';
import { mixinDisabled } from '@angular/material/core';
import { Subject } from 'rxjs';
import { MatTabContent } from './tab-content';
import { MatTabLabel } from './tab-label';
// Boilerplate for applying mixins to MatTab.
/** @docs-private */
var MatTabBase = /** @class */ (function () {
function MatTabBase() {
}
return MatTabBase;
}());
var _MatTabMixinBase = mixinDisabled(MatTabBase);
/**
* Used to provide a tab group to a tab without causing a circular dependency.
* @docs-private
*/
export var MAT_TAB_GROUP = new InjectionToken('MAT_TAB_GROUP');
var MatTab = /** @class */ (function (_super) {
__extends(MatTab, _super);
function MatTab(_viewContainerRef,
/**
* @deprecated `_closestTabGroup` parameter to become required.
* @breaking-change 10.0.0
*/
_closestTabGroup) {
var _this = _super.call(this) || this;
_this._viewContainerRef = _viewContainerRef;
_this._closestTabGroup = _closestTabGroup;
/** Plain text label for the tab, used when there is no template label. */
_this.textLabel = '';
/** Portal that will be the hosted content of the tab */
_this._contentPortal = null;
/** Emits whenever the internal state of the tab changes. */
_this._stateChanges = new Subject();
/**
* The relatively indexed position where 0 represents the center, negative is left, and positive
* represents the right.
*/
_this.position = null;
/**
* The initial relatively index origin of the tab if it was created and selected after there
* was already a selected tab. Provides context of what position the tab should originate from.
*/
_this.origin = null;
/**
* Whether the tab is currently active.
*/
_this.isActive = false;
return _this;
}
Object.defineProperty(MatTab.prototype, "templateLabel", {
/** Content for the tab label given by `<ng-template mat-tab-label>`. */
get: function () { return this._templateLabel; },
set: function (value) {
// Only update the templateLabel via query if there is actually
// a MatTabLabel found. This works around an issue where a user may have
// manually set `templateLabel` during creation mode, which would then get clobbered
// by `undefined` when this query resolves.
if (value) {
this._templateLabel = value;
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatTab.prototype, "content", {
/** @docs-private */
get: function () {
return this._contentPortal;
},
enumerable: true,
configurable: true
});
MatTab.prototype.ngOnChanges = function (changes) {
if (changes.hasOwnProperty('textLabel') || changes.hasOwnProperty('disabled')) {
this._stateChanges.next();
}
};
MatTab.prototype.ngOnDestroy = function () {
this._stateChanges.complete();
};
MatTab.prototype.ngOnInit = function () {
this._contentPortal = new TemplatePortal(this._explicitContent || this._implicitContent, this._viewContainerRef);
};
MatTab.decorators = [
{ type: Component, args: [{
selector: 'mat-tab',
template: "<!-- Create a template for the content of the <mat-tab> so that we can grab a reference to this\n TemplateRef and use it in a Portal to render the tab content in the appropriate place in the\n tab-group. -->\n<ng-template><ng-content></ng-content></ng-template>\n",
inputs: ['disabled'],
// tslint:disable-next-line:validate-decorators
changeDetection: ChangeDetectionStrategy.Default,
encapsulation: ViewEncapsulation.None,
exportAs: 'matTab'
}] }
];
/** @nocollapse */
MatTab.ctorParameters = function () { return [
{ type: ViewContainerRef },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_TAB_GROUP,] }] }
]; };
MatTab.propDecorators = {
templateLabel: [{ type: ContentChild, args: [MatTabLabel,] }],
_explicitContent: [{ type: ContentChild, args: [MatTabContent, { read: TemplateRef, static: true },] }],
_implicitContent: [{ type: ViewChild, args: [TemplateRef, { static: true },] }],
textLabel: [{ type: Input, args: ['label',] }],
ariaLabel: [{ type: Input, args: ['aria-label',] }],
ariaLabelledby: [{ type: Input, args: ['aria-labelledby',] }]
};
return MatTab;
}(_MatTabMixinBase));
export { MatTab };
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This works around an issue where a user may have\n    // manually set `templateLabel` during creation mode, which would then get clobbered\n    // by `undefined` when this query resolves.\n    if (value) {\n      this._templateLabel = value;\n    }\n  }\n  private _templateLabel: MatTabLabel;\n\n  /**\n   * Template provided in the tab content that will be used if present, used to enable lazy-loading\n   */\n  @ContentChild(MatTabContent, {read: TemplateRef, static: true})\n  _explicitContent: TemplateRef<any>;\n\n  /** Template inside the MatTab view that contains an `<ng-content>`. */\n  @ViewChild(TemplateRef, {static: true}) _implicitContent: TemplateRef<any>;\n\n  /** Plain text label for the tab, used when there is no template label. */\n  @Input('label') textLabel: string = '';\n\n  /** Aria label for the tab. */\n  @Input('aria-label') ariaLabel: string;\n\n  /**\n   * Reference to the element that the tab is labelled by.\n   * Will be cleared if `aria-label` is set at the same time.\n   */\n  @Input('aria-labelledby') ariaLabelledby: string;\n\n  /** Portal that will be the hosted content of the tab */\n  private _contentPortal: TemplatePortal | null = null;\n\n  /** @docs-private */\n  get content(): TemplatePortal | null {\n    return this._contentPortal;\n  }\n\n  /** Emits whenever the internal state of the tab changes. */\n  readonly _stateChanges = new Subject<void>();\n\n  /**\n   * The relatively indexed position where 0 represents the center, negative is left, and positive\n   * represents the right.\n   */\n  position: number | null = null;\n\n  /**\n   * The initial relatively index origin of the tab if it was created and selected after there\n   * was already a selected tab. Provides context of what position the tab should originate from.\n   */\n  origin: number | null = null;\n\n  /**\n   * Whether the tab is currently active.\n   */\n  isActive = false;\n\n  constructor(\n    private _viewContainerRef: ViewContainerRef,\n    /**\n     * @deprecated `_closestTabGroup` parameter to become required.\n     * @breaking-change 10.0.0\n     */\n    @Optional() @Inject(MAT_TAB_GROUP) public _closestTabGroup?: any) {\n    super();\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    if (changes.hasOwnProperty('textLabel') || changes.hasOwnProperty('disabled')) {\n      this._stateChanges.next();\n    }\n  }\n\n  ngOnDestroy(): void {\n    this._stateChanges.complete();\n  }\n\n  ngOnInit(): void {\n    this._contentPortal = new TemplatePortal(\n        this._explicitContent || this._implicitContent, this._viewContainerRef);\n  }\n\n  static ngAcceptInputType_disabled: BooleanInput;\n}\n"]}