[Payment Request] Generic edit form

ios/showcase/payments/sc_payments_editor_coordinator.mm

Index: ios/showcase/payments/sc_payments_editor_coordinator.mm
diff --git a/ios/showcase/payments/sc_payments_editor_coordinator.mm b/ios/showcase/payments/sc_payments_editor_coordinator.mm
new file mode 100644
index 0000000000000000000000000000000000000000..1d2f7fd99e76e3e7da884d4da5967125325ff069
--- /dev/null
+++ b/ios/showcase/payments/sc_payments_editor_coordinator.mm
@@ -0,0 +1,94 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "ios/showcase/payments/sc_payments_editor_coordinator.h"
+
+#import "base/mac/foundation_util.h"
+#include "base/strings/utf_string_conversions.h"
+#import "ios/chrome/browser/payments/cells/payments_text_item.h"
+#import "ios/chrome/browser/payments/payment_request_edit_view_controller.h"
+#import "ios/chrome/browser/ui/collection_view/cells/MDCCollectionViewCell+Chrome.h"
+#import "ios/chrome/browser/ui/settings/cells/autofill_edit_item.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+namespace {
+
+typedef NS_ENUM(NSInteger, SectionIdentifier) {
+  SectionIdentifierName = kSectionIdentifierEnumZero,
+  SectionIdentifierAddress,

[lpromero, 2017/03/16 13:01:07]

How will you use PaymentRequestEditViewController in Chrome? Subclasses for
different screens?

[Moe, 2017/03/16 15:44:23]

Yes. please see my reply to your previous comment.

+  SectionIdentifierPostalCode,
+};
+
+typedef NS_ENUM(NSInteger, ItemType) {
+  ItemTypeName = kItemTypeEnumZero,
+  ItemTypeAddress,
+  ItemTypePostalCode,
+};
+
+}  // namespace
+
+@interface ConcreteEditViewController : PaymentRequestEditViewController
+
+- (instancetype)init;
+
+@end
+
+@implementation ConcreteEditViewController
+
+#pragma mark - Initialization
+
+- (instancetype)init {
+  self = [super init];
+  if (self) {
+    [self setTitle:@"Add info"];
+  }
+  return self;
+}
+
+- (std::vector<EditorField>)editorFields {
+  return std::vector<EditorField>{
+      {autofill::UNKNOWN_TYPE, base::UTF8ToUTF16("Name"),
+       /* required= */ true, ItemTypeName, SectionIdentifierName},
+      {autofill::UNKNOWN_TYPE, base::UTF8ToUTF16("Address"),
+       /* required= */ true, ItemTypeAddress, SectionIdentifierAddress},
+      {autofill::UNKNOWN_TYPE, base::UTF8ToUTF16("Postal Code"),
+       /* required= */ false, ItemTypePostalCode, SectionIdentifierPostalCode}};
+}
+
+#pragma mark MDCCollectionViewStylingDelegate
+
+- (CGFloat)collectionView:(UICollectionView*)collectionView
+    cellHeightAtIndexPath:(NSIndexPath*)indexPath {
+  CollectionViewItem* item =
+      [self.collectionViewModel itemAtIndexPath:indexPath];
+  switch (item.type) {
+    case ItemTypeName:
+    case ItemTypeAddress:
+    case ItemTypePostalCode:
+      return [MDCCollectionViewCell
+          cr_preferredHeightForWidth:CGRectGetWidth(collectionView.bounds)
+                             forItem:item];
+    default:
+      return
+          [super collectionView:collectionView cellHeightAtIndexPath:indexPath];
+  }
+}
+
+@end
+
+@implementation SCPaymentsEditorCoordinator
+@synthesize baseViewController = _baseViewController;
+
+- (void)start {
+  ConcreteEditViewController* concreteEditViewController =
+      [[ConcreteEditViewController alloc] init];
+  [concreteEditViewController loadModel];
+  [self.baseViewController pushViewController:concreteEditViewController
+                                     animated:YES];
+}
+
+@end