add pagination

lib/pages/receiving/receiving_list.dart

@@ -6,6 +6,7 @@ import 'package:fcs/pages/package_search/package_serach.dart';
 import 'package:fcs/pages/widgets/bottom_up_page_route.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
+import 'package:fcs/pagination/paginator_listview.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
@@ -25,7 +26,6 @@ class _ReceivingListState extends State<ReceivingList> {
   @override
   void initState() {
     super.initState();
-    Provider.of<PackageModel>(context, listen: false).initData(false);
   }
 
   @override
@@ -36,7 +36,7 @@ class _ReceivingListState extends State<ReceivingList> {
   @override
   Widget build(BuildContext context) {
     var packageModel = Provider.of<PackageModel>(context);
-    bool isCustomer = context.select((MainModel m) => m.isCustomer());
+    var packages = packageModel.activePackages;
 
     return LocalProgress(
       inAsyncCall: _isLoading,
@@ -55,44 +55,33 @@ class _ReceivingListState extends State<ReceivingList> {
               color: Colors.white,
             ),
             actions: <Widget>[
-              isCustomer
-                  ? Container()
-                  : IconButton(
-                      icon: Icon(
-                        Icons.search,
-                        color: Colors.white,
-                      ),
-                      iconSize: 30,
-                      onPressed: () => searchPackage(context,
-                          callbackPackageSelect: _searchCallback),
-                    ),
+              IconButton(
+                icon: Icon(
+                  Icons.search,
+                  color: Colors.white,
+                ),
+                iconSize: 30,
+                onPressed: () => searchPackage(context,
+                    callbackPackageSelect: _searchCallback),
+              ),
             ],
           ),
-          floatingActionButton: isCustomer
-              ? Container()
-              : FloatingActionButton.extended(
-                  onPressed: () {
-                    _newReceiving();
-                  },
-                  icon: Icon(Icons.add),
-                  label:
-                      LocalText(context, "receiving.new", color: Colors.white),
-                  backgroundColor: primaryColor,
-                ),
-          body: new ListView.separated(
-              separatorBuilder: (context, index) => Divider(
-                    color: Colors.black,
-                    height: 1,
-                  ),
-              scrollDirection: Axis.vertical,
-              shrinkWrap: true,
-              itemCount: packageModel.packages.length,
-              itemBuilder: (BuildContext context, int index) {
-                return ReceivingListRow(
-                  key: ValueKey(packageModel.packages[index].id),
-                  package: packageModel.packages[index],
-                );
-              })),
+          floatingActionButton: FloatingActionButton.extended(
+            onPressed: () {
+              _newReceiving();
+            },
+            icon: Icon(Icons.add),
+            label: LocalText(context, "receiving.new", color: Colors.white),
+            backgroundColor: primaryColor,
+          ),
+          body: PaginatorListView<Package>(
+            paginatorListener: packages,
+            rowBuilder: (p) => ReceivingListRow(
+              key: ValueKey(p.id),
+              package: p,
+            ),
+            color: primaryColor,
+          )),
     );
   }