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import { Component, Output, Input, forwardRef, EventEmitter} from '@angular/core';
import {ControlValueAccessor, NG_VALUE_ACCESSOR} from '@angular/forms';

@Component({
 selector: 'form-text',
 template: `
  

    {{label}}：
    
  
 `,
 providers: [
  {
   provide:NG_VALUE_ACCESSOR,
   useExisting:forwardRef(()=>FormTextComponent),
   multi:true
  }
 ]
})
export class FormTextComponent implements ControlValueAccessor {
 
 @Input() label:string = '';
 @Input() placeholder: string='';

 @Output() onChange: EventEmitter = new EventEmitter();
 
 public innerValue: any;
 public changeFn: Function = () => {};
 

 get value(): any {
  return this.innerValue;
 };

 set value(v: any) {
  if (v !== this.innerValue) {
   this.innerValue = v;
   this.changeFn(v);
  }
 }


 writeValue(value: any) {
  if (value !== this.innerValue) {
   this.innerValue = value;
  }
 }

 registerOnChange(fn: any) {
  this.changeFn = fn;
 }

 registerOnTouched(fn: any) {
  //
 }

}

{{mobile}}