Improve auto-taxes

lib/ui/invoice/edit/invoice_edit_desktop.dart

@@ -49,6 +49,7 @@ import 'package:invoiceninja_flutter/ui/invoice/edit/invoice_edit_contacts_vm.da
 import 'package:invoiceninja_flutter/ui/invoice/edit/invoice_edit_details_vm.dart';
 import 'package:invoiceninja_flutter/ui/invoice/edit/invoice_edit_items_vm.dart';
 import 'package:invoiceninja_flutter/ui/invoice/edit/invoice_edit_vm.dart';
+import 'package:invoiceninja_flutter/ui/invoice/edit/invoice_tax_details.dart';
 import 'package:invoiceninja_flutter/ui/purchase_order/edit/purchase_order_edit_items_vm.dart';
 import 'package:invoiceninja_flutter/ui/quote/edit/quote_edit_items_vm.dart';
 import 'package:invoiceninja_flutter/ui/recurring_invoice/edit/recurring_invoice_edit_items_vm.dart';
@@ -964,6 +965,7 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
                     Expanded(
                       flex: 1,
                       child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.stretch,
                         children: [
                           FormCard(
                               padding: const EdgeInsets.only(
@@ -1120,6 +1122,20 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
                                     ),
                                   ),
                               ]),
+                          if (company.calculateTaxes)
+                            Padding(
+                              padding:
+                                  const EdgeInsets.only(left: 10, right: 16),
+                              child: AppButton(
+                                label: localization.taxDetails.toUpperCase(),
+                                onPressed: () {
+                                  showDialog<void>(
+                                      context: context,
+                                      builder: (context) =>
+                                          InvoiceTaxDetails());
+                                },
+                              ),
+                            ),
                         ],
                       ),
                     ),
@@ -1128,8 +1144,7 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
                 if (state.prefState.showPdfPreview &&
                     !state.prefState.showPdfPreviewSideBySide)
                   Padding(
-                    padding: const EdgeInsets.only(
+                    padding: const EdgeInsets.all(16),
-                        left: 16, right: 16, bottom: 16, top: 2),
                     child: _PdfPreview(invoice: invoice),
                   ),
               ],

lib/ui/invoice/edit/invoice_tax_details.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/material.dart';
+import 'package:invoiceninja_flutter/utils/localization.dart';
+
+class InvoiceTaxDetails extends StatelessWidget {
+  const InvoiceTaxDetails({Key key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final localization = AppLocalization.of(context);
+
+    return AlertDialog(
+      title: Text(localization.taxDetails),
+      content: DataTable(
+        columns: [
+          DataColumn(label: Text('')),
+          DataColumn(label: Text(localization.invoice)),
+          DataColumn(label: Text(localization.client)),
+          DataColumn(label: Text(localization.company)),
+        ],
+        rows: [
+          DataRow(cells: [
+            DataCell(Text(localization.address)),
+            DataCell(Text('test')),
+            DataCell(Text('test')),
+            DataCell(Text('test')),
+          ])
+        ],
+      ),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(),
+          child: Text(
+            localization.close.toUpperCase(),
+          ),
+        )
+      ],
+    );
+  }
+}

lib/utils/i18n.dart

@@ -18,6 +18,7 @@ mixin LocalizationsProvider on LocaleCodeAware {
   static final Map<String, Map<String, String>> _localizedValues = {
     'en': {
       // STARTER: lang key - do not remove comment
+      'tax_details': 'Tax Details',
       'activity_10_online':
           ':contact entered payment :payment for invoice :invoice for :client',
       'activity_10_manual':
@@ -105924,6 +105925,10 @@ mixin LocalizationsProvider on LocaleCodeAware {
       _localizedValues[localeCode]['default_payment_type'] ??
       _localizedValues['en']['default_payment_type'];
 
+  String get taxDetails =>
+      _localizedValues[localeCode]['tax_details'] ??
+      _localizedValues['en']['tax_details'];
+
 // STARTER: lang field - do not remove comment
 
   String lookup(String key) {