@angular/material
Version:
Angular Material
113 lines • 13.8 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 { Directive, ElementRef, Inject, Input, booleanAttribute, numberAttribute, } from '@angular/core';
import { ENTER, SPACE } from '@angular/cdk/keycodes';
import { MAT_CHIP } from './tokens';
import * as i0 from "@angular/core";
/**
* Section within a chip.
* @docs-private
*/
export class MatChipAction {
/** Whether the action is disabled. */
get disabled() {
return this._disabled || this._parentChip.disabled;
}
set disabled(value) {
this._disabled = value;
}
/**
* Determine the value of the disabled attribute for this chip action.
*/
_getDisabledAttribute() {
// When this chip action is disabled and focusing disabled chips is not permitted, return empty
// string to indicate that disabled attribute should be included.
return this.disabled && !this._allowFocusWhenDisabled ? '' : null;
}
/**
* Determine the value of the tabindex attribute for this chip action.
*/
_getTabindex() {
return (this.disabled && !this._allowFocusWhenDisabled) || !this.isInteractive
? null
: this.tabIndex.toString();
}
constructor(_elementRef, _parentChip) {
this._elementRef = _elementRef;
this._parentChip = _parentChip;
/** Whether the action is interactive. */
this.isInteractive = true;
/** Whether this is the primary action in the chip. */
this._isPrimary = true;
this._disabled = false;
/** Tab index of the action. */
this.tabIndex = -1;
/**
* Private API to allow focusing this chip when it is disabled.
*/
this._allowFocusWhenDisabled = false;
if (_elementRef.nativeElement.nodeName === 'BUTTON') {
_elementRef.nativeElement.setAttribute('type', 'button');
}
}
focus() {
this._elementRef.nativeElement.focus();
}
_handleClick(event) {
if (!this.disabled && this.isInteractive && this._isPrimary) {
event.preventDefault();
this._parentChip._handlePrimaryActionInteraction();
}
}
_handleKeydown(event) {
if ((event.keyCode === ENTER || event.keyCode === SPACE) &&
!this.disabled &&
this.isInteractive &&
this._isPrimary &&
!this._parentChip._isEditing) {
event.preventDefault();
this._parentChip._handlePrimaryActionInteraction();
}
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.0-next.2", ngImport: i0, type: MatChipAction, deps: [{ token: i0.ElementRef }, { token: MAT_CHIP }], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "16.1.0", version: "18.2.0-next.2", type: MatChipAction, isStandalone: true, selector: "[matChipAction]", inputs: { isInteractive: "isInteractive", disabled: ["disabled", "disabled", booleanAttribute], tabIndex: ["tabIndex", "tabIndex", (value) => (value == null ? -1 : numberAttribute(value))], _allowFocusWhenDisabled: "_allowFocusWhenDisabled" }, host: { listeners: { "click": "_handleClick($event)", "keydown": "_handleKeydown($event)" }, properties: { "class.mdc-evolution-chip__action--primary": "_isPrimary", "class.mdc-evolution-chip__action--presentational": "!isInteractive", "class.mdc-evolution-chip__action--trailing": "!_isPrimary", "attr.tabindex": "_getTabindex()", "attr.disabled": "_getDisabledAttribute()", "attr.aria-disabled": "disabled" }, classAttribute: "mdc-evolution-chip__action mat-mdc-chip-action" }, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.0-next.2", ngImport: i0, type: MatChipAction, decorators: [{
type: Directive,
args: [{
selector: '[matChipAction]',
host: {
'class': 'mdc-evolution-chip__action mat-mdc-chip-action',
'[class.mdc-evolution-chip__action--primary]': '_isPrimary',
'[class.mdc-evolution-chip__action--presentational]': '!isInteractive',
'[class.mdc-evolution-chip__action--trailing]': '!_isPrimary',
'[attr.tabindex]': '_getTabindex()',
'[attr.disabled]': '_getDisabledAttribute()',
'[attr.aria-disabled]': 'disabled',
'(click)': '_handleClick($event)',
'(keydown)': '_handleKeydown($event)',
},
standalone: true,
}]
}], ctorParameters: () => [{ type: i0.ElementRef }, { type: undefined, decorators: [{
type: Inject,
args: [MAT_CHIP]
}] }], propDecorators: { isInteractive: [{
type: Input
}], disabled: [{
type: Input,
args: [{ transform: booleanAttribute }]
}], tabIndex: [{
type: Input,
args: [{
transform: (value) => (value == null ? -1 : numberAttribute(value)),
}]
}], _allowFocusWhenDisabled: [{
type: Input
}] } });
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'' : null;\n  }\n\n  /**\n   * Determine the value of the tabindex attribute for this chip action.\n   */\n  protected _getTabindex(): string | null {\n    return (this.disabled && !this._allowFocusWhenDisabled) || !this.isInteractive\n      ? null\n      : this.tabIndex.toString();\n  }\n\n  constructor(\n    public _elementRef: ElementRef<HTMLElement>,\n    @Inject(MAT_CHIP)\n    protected _parentChip: {\n      _handlePrimaryActionInteraction(): void;\n      remove(): void;\n      disabled: boolean;\n      _isEditing?: boolean;\n    },\n  ) {\n    if (_elementRef.nativeElement.nodeName === 'BUTTON') {\n      _elementRef.nativeElement.setAttribute('type', 'button');\n    }\n  }\n\n  focus() {\n    this._elementRef.nativeElement.focus();\n  }\n\n  _handleClick(event: MouseEvent) {\n    if (!this.disabled && this.isInteractive && this._isPrimary) {\n      event.preventDefault();\n      this._parentChip._handlePrimaryActionInteraction();\n    }\n  }\n\n  _handleKeydown(event: KeyboardEvent) {\n    if (\n      (event.keyCode === ENTER || event.keyCode === SPACE) &&\n      !this.disabled &&\n      this.isInteractive &&\n      this._isPrimary &&\n      !this._parentChip._isEditing\n    ) {\n      event.preventDefault();\n      this._parentChip._handlePrimaryActionInteraction();\n    }\n  }\n}\n"]}