Add horizontal scrolling to reports

lib/ui/reports/reports_screen.dart

@@ -1,5 +1,6 @@
 // Flutter imports:
-import 'package:flutter/material.dart';
+import 'package:flutter/material.dart' hide DataRow, DataCell, DataColumn;
+import 'package:flutter/material.dart' as mt;
 
 // Package imports:
 import 'package:flutter_redux/flutter_redux.dart';
@@ -30,6 +31,9 @@ import 'package:invoiceninja_flutter/ui/app/history_drawer_vm.dart';
 import 'package:invoiceninja_flutter/ui/app/menu_drawer_vm.dart';
 import 'package:invoiceninja_flutter/ui/app/presenters/entity_presenter.dart';
 import 'package:invoiceninja_flutter/ui/app/scrollable_listview.dart';
+import 'package:invoiceninja_flutter/ui/app/tables/app_data_table.dart';
+import 'package:invoiceninja_flutter/ui/app/tables/app_data_table_source.dart';
+import 'package:invoiceninja_flutter/ui/app/tables/app_paginated_data_table.dart';
 import 'package:invoiceninja_flutter/ui/app/upgrade_dialog.dart';
 import 'package:invoiceninja_flutter/ui/reports/report_charts.dart';
 import 'package:invoiceninja_flutter/ui/reports/reports_screen_vm.dart';
@@ -671,8 +675,8 @@ class _ReportDataTableState extends State<ReportDataTable> {
           ),
         SingleChildScrollView(
           padding: const EdgeInsets.all(12),
-          child: PaginatedDataTable(
-            showFirstLastButtons: true,
+          child: AppPaginatedDataTable(
+            //showFirstLastButtons: true,
             header: SizedBox(),
             sortColumnIndex: sortedColumns.contains(reportSettings.sortColumn)
                 ? sortedColumns.indexOf(reportSettings.sortColumn)
@@ -700,7 +704,7 @@ class TotalsDataTable extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return DataTable(
+    return mt.DataTable(
       sortColumnIndex: reportSettings.sortTotalsIndex != null &&
               reportResult.columns.length > reportSettings.sortTotalsIndex
           ? reportSettings.sortTotalsIndex
@@ -776,7 +780,7 @@ ReportColumnType getReportColumnType(String column, BuildContext context) {
   }
 }
 
-class ReportDataTableSource extends DataTableSource {
+class ReportDataTableSource extends AppDataTableSource {
   ReportDataTableSource({
     @required this.context,
     @required this.textEditingControllers,
@@ -1415,7 +1419,7 @@ class ReportResult {
     }
   }
 
-  List<DataColumn> totalColumns(
+  List<mt.DataColumn> totalColumns(
       BuildContext context, Function(int, bool) onSortCallback) {
     final store = StoreProvider.of<AppState>(context);
     final company = store.state.company;
@@ -1429,11 +1433,11 @@ class ReportResult {
     //  print('## $column => ${getReportColumnType(column, context)}');
 
     final totalColumns = [
-      DataColumn(
+      mt.DataColumn(
         label: Text(localization.currency),
         onSort: onSortCallback,
       ),
-      DataColumn(
+      mt.DataColumn(
         label: Text(localization.count),
         onSort: onSortCallback,
       ),
@@ -1443,7 +1447,7 @@ class ReportResult {
           ReportColumnType.age,
           ReportColumnType.duration,
         ].contains(getReportColumnType(column, context)))
-          DataColumn(
+          mt.DataColumn(
             label: Text(
               company.getCustomFieldLabel(column).isEmpty
                   ? localization.lookup(column)
@@ -1460,8 +1464,8 @@ class ReportResult {
     return totalColumns;
   }
 
-  List<DataRow> totalRows(BuildContext context) {
-    final rows = <DataRow>[];
+  List<mt.DataRow> totalRows(BuildContext context) {
+    final rows = <mt.DataRow>[];
     final store = StoreProvider.of<AppState>(context);
     final state = store.state;
     final reportState = state.uiState.reportsUIState;
@@ -1580,11 +1584,11 @@ class ReportResult {
 
     keys.forEach((currencyId) {
       final values = totals[currencyId];
-      final cells = <DataCell>[
-        DataCell(Text(
+      final cells = <mt.DataCell>[
+        mt.DataCell(Text(
             store.state.staticState.currencyMap[currencyId]?.listDisplayName ??
                 '')),
-        DataCell(Text(values['count'].toInt().toString())),
+        mt.DataCell(Text(values['count'].toInt().toString())),
       ];
 
       allFields.forEach((field) {
@@ -1603,12 +1607,12 @@ class ReportResult {
                     ? FormatNumberType.double
                     : FormatNumberType.money);
           }
-          cells.add(DataCell(Text(value)));
+          cells.add(mt.DataCell(Text(value)));
         }
       });
 
       //print('## Total Rows: ${cells.length}');
-      rows.add(DataRow(cells: cells));
+      rows.add(mt.DataRow(cells: cells));
     });
 
     return rows;