91 lines
2.5 KiB
TypeScript
91 lines
2.5 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.dev/license
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*/
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import {ENTER, SPACE} from '@angular/cdk/keycodes';
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import {Directive} from '@angular/core';
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import {MatChipAction} from './chip-action';
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import {MAT_CHIP_AVATAR, MAT_CHIP_REMOVE, MAT_CHIP_TRAILING_ICON} from './tokens';
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/** Avatar image within a chip. */
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@Directive({
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selector: 'mat-chip-avatar, [matChipAvatar]',
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host: {
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'class': 'mat-mdc-chip-avatar mdc-evolution-chip__icon mdc-evolution-chip__icon--primary',
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'role': 'img',
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},
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providers: [{provide: MAT_CHIP_AVATAR, useExisting: MatChipAvatar}],
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})
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export class MatChipAvatar {}
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/** Non-interactive trailing icon in a chip. */
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@Directive({
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selector: 'mat-chip-trailing-icon, [matChipTrailingIcon]',
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host: {
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'class':
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'mat-mdc-chip-trailing-icon mdc-evolution-chip__icon mdc-evolution-chip__icon--trailing',
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'aria-hidden': 'true',
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},
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providers: [{provide: MAT_CHIP_TRAILING_ICON, useExisting: MatChipTrailingIcon}],
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})
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export class MatChipTrailingIcon extends MatChipAction {
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/**
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* MDC considers all trailing actions as a remove icon,
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* but we support non-interactive trailing icons.
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*/
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override isInteractive = false;
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override _isPrimary = false;
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}
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/**
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* Directive to remove the parent chip when the trailing icon is clicked or
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* when the ENTER key is pressed on it.
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*
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* Recommended for use with the Material Design "cancel" icon
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* available at https://material.io/icons/#ic_cancel.
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*
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* Example:
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*
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* ```
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* <mat-chip>
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* <mat-icon matChipRemove>cancel</mat-icon>
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* </mat-chip>
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* ```
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*/
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@Directive({
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selector: '[matChipRemove]',
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host: {
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'class':
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'mat-mdc-chip-remove mat-mdc-chip-trailing-icon mat-focus-indicator ' +
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'mdc-evolution-chip__icon mdc-evolution-chip__icon--trailing',
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'role': 'button',
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'[attr.aria-hidden]': 'null',
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},
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providers: [{provide: MAT_CHIP_REMOVE, useExisting: MatChipRemove}],
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})
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export class MatChipRemove extends MatChipAction {
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override _isPrimary = false;
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override _handleClick(event: MouseEvent): void {
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if (!this.disabled) {
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event.stopPropagation();
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event.preventDefault();
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this._parentChip.remove();
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}
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}
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override _handleKeydown(event: KeyboardEvent) {
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if ((event.keyCode === ENTER || event.keyCode === SPACE) && !this.disabled) {
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event.stopPropagation();
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event.preventDefault();
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this._parentChip.remove();
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}
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}
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}
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