add editMessageInputBuilder to customize the messageinput while editing messages

lib/src/message_input.dart

@@ -92,7 +92,7 @@ class MessageInput extends StatefulWidget {
     this.textEditingController,
     this.actions,
     this.actionsLocation = ActionsLocation.left,
-    this.attachmentThumbnailBuilder,
+    this.attachmentThumbnailBuilders,
   }) : super(key: key);
 
   /// Message to edit
@@ -135,8 +135,8 @@ class MessageInput extends StatefulWidget {
   /// The location of the custom actions
   final ActionsLocation actionsLocation;
 
-  /// Map that defines a builder for an attachment type
+  /// Map that defines a thumbnail builder for an attachment type
-  final Map<String, AttachmentThumbnailBuilder> attachmentThumbnailBuilder;
+  final Map<String, AttachmentThumbnailBuilder> attachmentThumbnailBuilders;
 
   @override
   MessageInputState createState() => MessageInputState();
@@ -547,13 +547,10 @@ class MessageInputState extends State<MessageInput> {
   }
 
   Widget _buildAttachment(_SendingAttachment attachment) {
-    print('attachment.attachment.toJson(): ${attachment.attachment.toJson()}');
+    if (widget.attachmentThumbnailBuilders
-    print(
-        'widget.attachmentThumbnailBuilder: ${widget.attachmentThumbnailBuilder}');
-    if (widget.attachmentThumbnailBuilder
             ?.containsKey(attachment.attachment.type) ==
         true) {
-      return widget.attachmentThumbnailBuilder[attachment.attachment.type](
+      return widget.attachmentThumbnailBuilders[attachment.attachment.type](
         context,
         attachment,
       );
@@ -897,6 +894,10 @@ class MessageInputState extends State<MessageInput> {
     return sendingFuture.whenComplete(() {
       if (widget.onMessageSent != null) {
         widget.onMessageSent(message);
+      } else {
+        if (widget.editMessage != null) {
+          Navigator.pop(context);
+        }
       }
     });
   }
@@ -958,7 +959,6 @@ class MessageInputState extends State<MessageInput> {
     _messageIsPresent = true;
 
     message.attachments?.forEach((attachment) {
-      print('attachment: ${attachment.toJson()}');
       _attachments.add(_SendingAttachment(
         attachment: attachment,
         uploaded: true,

lib/src/message_list_view.dart

@@ -73,6 +73,7 @@ class MessageListView extends StatefulWidget {
     this.attachmentBuilders,
     this.dateDividerBuilder,
     this.showAvatar = true,
+    this.editMessageInputBuilder,
   }) : super(key: key);
 
   /// Function used to build a custom message widget
@@ -115,6 +116,9 @@ class MessageListView extends StatefulWidget {
   /// if true shows the user avatar
   final bool showAvatar;
 
+  /// Builder used to build the message input to edit a message
+  final Widget Function(BuildContext, Message) editMessageInputBuilder;
+
   @override
   _MessageListViewState createState() => _MessageListViewState();
 }
@@ -177,6 +181,7 @@ class _MessageListViewState extends State<MessageListView> {
                         onMessageActions: widget.onMessageActions,
                         attachmentBuilders: widget.attachmentBuilders,
                         showAvatar: widget.showAvatar,
+                        editMessageInputBuilder: widget.editMessageInputBuilder,
                       ),
                       Padding(
                         padding: const EdgeInsets.symmetric(horizontal: 32),
@@ -243,6 +248,7 @@ class _MessageListViewState extends State<MessageListView> {
                   onMessageActions: widget.onMessageActions,
                   attachmentBuilders: widget.attachmentBuilders,
                   showAvatar: widget.showAvatar,
+                  editMessageInputBuilder: widget.editMessageInputBuilder,
                 );
               }
             }
@@ -337,6 +343,7 @@ class _MessageListViewState extends State<MessageListView> {
         onMessageActions: widget.onMessageActions,
         attachmentBuilders: widget.attachmentBuilders,
         showAvatar: widget.showAvatar,
+        editMessageInputBuilder: widget.editMessageInputBuilder,
       );
     }
 
@@ -379,6 +386,7 @@ class _MessageListViewState extends State<MessageListView> {
         onMessageActions: widget.onMessageActions,
         attachmentBuilders: widget.attachmentBuilders,
         showAvatar: widget.showAvatar,
+        editMessageInputBuilder: widget.editMessageInputBuilder,
       );
     }
 

lib/src/message_widget.dart

@@ -51,6 +51,7 @@ class MessageWidget extends StatefulWidget {
     this.showVideoFullScreen = true,
     this.attachmentBuilders,
     this.showAvatar = true,
+    this.editMessageInputBuilder,
   }) : super(key: key);
 
   /// Function called on mention tap
@@ -89,6 +90,9 @@ class MessageWidget extends StatefulWidget {
   /// if true shows the user avatar
   final bool showAvatar;
 
+  /// Builder used to build the message input to edit a message
+  final Widget Function(BuildContext, Message) editMessageInputBuilder;
+
   @override
   _MessageWidgetState createState() => _MessageWidgetState();
 }
@@ -723,21 +727,23 @@ class _MessageWidgetState extends State<MessageWidget>
                 padding: EdgeInsets.only(
                   bottom: MediaQuery.of(context).viewInsets.bottom,
                 ),
-                child: MessageInput(
+                child: widget.editMessageInputBuilder != null
-                  editMessage: widget.message,
+                    ? widget.editMessageInputBuilder(context, widget.message)
-                  parentMessage: widget.isParent
+                    : MessageInput(
-                      ? StreamChannel.of(context)
+                        editMessage: widget.message,
-                          .channel
+                        parentMessage: widget.isParent
-                          .state
+                            ? StreamChannel.of(context)
-                          .messages
+                                .channel
-                          .firstWhere((message) =>
+                                .state
-                              message.id == widget.message.parentId)
+                                .messages
-                      : null,
+                                .firstWhere((message) =>
-                  onMessageSent: (_) {
+                                    message.id == widget.message.parentId)
-                    FocusScope.of(context).unfocus();
+                            : null,
-                    Navigator.pop(context);
+                        onMessageSent: (_) {
-                  },
+                          FocusScope.of(context).unfocus();
-                ),
+                          Navigator.pop(context);
+                        },
+                      ),
               ),
             ],
           ),