fix loader

src/app/pages/gabinete-digital/gabinete-digital.page.ts

@@ -1,4 +1,4 @@
-import { Component, OnInit, ViewChild } from '@angular/core';
+import { Component, ElementRef, OnInit, ViewChild } from '@angular/core';
 import { ProcessesService } from 'src/app/services/processes.service';
 import { ModalController } from '@ionic/angular';
 import {NavigationEnd, NavigationExtras, Router } from '@angular/router';
@@ -102,6 +102,11 @@ export class GabineteDigitalPage implements OnInit {
   AllProcess = []
   ordinance: string =  'old'
 
+
+  refresh = true
+
+  @ViewChild('scroll') scroll: ElementRef;
+
   constructor(
     private processesbackend: ProcessesService,
     private modalController: ModalController,
@@ -191,7 +196,7 @@ export class GabineteDigitalPage implements OnInit {
 
 
   reorderList(orderBy: string) {
-
+    this.changeTab()
     this.ordinance = orderBy;
 
     this.dynamicSearch();
@@ -256,9 +261,31 @@ export class GabineteDigitalPage implements OnInit {
     });
 
     this.hideRefreshButton();
+
+    // console.log(' this.scroll',  this.scroll)
+    // this.scroll.nativeElement.addEventListener("scroll", ()=> {
+    //   console.log('123')
+    // });
     
   }
 
+  ngAfterViewInit(): void {
+    // We can access the TestComponent now that this portion of the view tree has been initiated.
+    const element = this.scroll.nativeElement
+    this.scroll.nativeElement.addEventListener("scroll", (e)=> {
+      this.changeTab()
+    });
+  }
+
+  changeTab() {
+    const element = this.scroll.nativeElement
+    if(element.scrollTop == 0 ) {
+      this.refresh = true
+    } else {
+      this.refresh = false
+    }
+  }
+
 
   checkFilter() {