/**
 * @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 } from '@angular/core';
import { DOCUMENT } from '@angular/common';
import * as i0 from "@angular/core";
/**
 * A directive that makes a span editable and exposes functions to modify and retrieve the
 * element's contents.
 */
export class MatChipEditInput {
    constructor(_elementRef, _document) {
        this._elementRef = _elementRef;
        this._document = _document;
    }
    initialize(initialValue) {
        this.getNativeElement().focus();
        this.setValue(initialValue);
    }
    getNativeElement() {
        return this._elementRef.nativeElement;
    }
    setValue(value) {
        this.getNativeElement().textContent = value;
        this._moveCursorToEndOfInput();
    }
    getValue() {
        return this.getNativeElement().textContent || '';
    }
    _moveCursorToEndOfInput() {
        const range = this._document.createRange();
        range.selectNodeContents(this.getNativeElement());
        range.collapse(false);
        const sel = window.getSelection();
        sel.removeAllRanges();
        sel.addRange(range);
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatChipEditInput, deps: [{ token: i0.ElementRef }, { token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Directive }); }
    static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.1.1", type: MatChipEditInput, selector: "span[matChipEditInput]", host: { attributes: { "role": "textbox", "tabindex": "-1", "contenteditable": "true" }, classAttribute: "mat-chip-edit-input" }, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatChipEditInput, decorators: [{
            type: Directive,
            args: [{
                    selector: 'span[matChipEditInput]',
                    host: {
                        'class': 'mat-chip-edit-input',
                        'role': 'textbox',
                        'tabindex': '-1',
                        'contenteditable': 'true',
                    },
                }]
        }], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [DOCUMENT]
                }] }]; } });
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