Added option to move sent messages when moving a conversation

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -4520,6 +4520,9 @@ public class FragmentMessages extends FragmentBase
                 boolean filter_archive = args.getBoolean("filter_archive");
                 long tid = args.getLong("folder");
 
+                SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+                boolean move_thread_sent = prefs.getBoolean("move_thread_sent", false);
+
                 ArrayList<MessageTarget> result = new ArrayList<>();
 
                 DB db = DB.getInstance(context);
@@ -4540,7 +4543,8 @@ public class FragmentMessages extends FragmentBase
                         EntityFolder sourceFolder = db.folder().getFolder(threaded.folder);
                         if (sourceFolder != null && !sourceFolder.read_only &&
                                 !targetFolder.id.equals(threaded.folder) &&
-                                !EntityFolder.isOutgoing(sourceFolder.type) &&
+                                (!EntityFolder.isOutgoing(sourceFolder.type) ||
+                                        (EntityFolder.SENT.equals(sourceFolder.type) && move_thread_sent)) &&
                                 (!filter_archive || !EntityFolder.ARCHIVE.equals(sourceFolder.type)))
                             result.add(new MessageTarget(context, threaded, account, sourceFolder, account, targetFolder));
                     }

app/src/main/java/eu/faircode/email/FragmentOptionsBehavior.java

@@ -100,6 +100,7 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
     private SwitchCompat swAutoBlockSender;
     private SwitchCompat swAutoHideAnswer;
     private SwitchCompat swSwipeReply;
+    private SwitchCompat swMoveThreadSent;
     private Button btnDefaultFolder;
     private TextView tvDefaultFolder;
 
@@ -119,7 +120,7 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
             "autoclose", "onclose", "autoclose_unseen", "autoclose_send", "collapse_marked",
             "undo_timeout",
             "autoread", "flag_snoozed", "autounflag", "auto_important", "reset_importance", "thread_sent_trash",
-            "reset_snooze", "auto_block_sender", "auto_hide_answer", "swipe_reply", "default_folder"
+            "reset_snooze", "auto_block_sender", "auto_hide_answer", "swipe_reply", "move_thread_sent", "default_folder"
     };
 
     @Override
@@ -179,6 +180,7 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
         swAutoBlockSender = view.findViewById(R.id.swAutoBlockSender);
         swAutoHideAnswer = view.findViewById(R.id.swAutoHideAnswer);
         swSwipeReply = view.findViewById(R.id.swSwipeReply);
+        swMoveThreadSent = view.findViewById(R.id.swMoveThreadSent);
         btnDefaultFolder = view.findViewById(R.id.btnDefaultFolder);
         tvDefaultFolder = view.findViewById(R.id.tvDefaultFolder);
 
@@ -562,6 +564,13 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
             }
         });
 
+        swMoveThreadSent.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("move_thread_sent", checked).apply();
+            }
+        });
+
         Intent tree = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);
         Helper.openAdvanced(getContext(), tree);
         PackageManager pm = getContext().getPackageManager();
@@ -711,6 +720,7 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
         swAutoBlockSender.setChecked(prefs.getBoolean("auto_block_sender", true));
         swAutoHideAnswer.setChecked(prefs.getBoolean("auto_hide_answer", !accessibility));
         swSwipeReply.setChecked(prefs.getBoolean("swipe_reply", false));
+        swMoveThreadSent.setChecked(prefs.getBoolean("move_thread_sent", false));
         tvDefaultFolder.setText(prefs.getString("default_folder", null));
     }
 

app/src/main/res/layout/fragment_options_behavior.xml

@@ -818,6 +818,17 @@
                     app:layout_constraintTop_toBottomOf="@id/swAutoHideAnswer"
                     app:switchPadding="12dp" />
 
+                <androidx.appcompat.widget.SwitchCompat
+                    android:id="@+id/swMoveThreadSent"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="12dp"
+                    android:text="@string/title_advanced_move_thread_sent"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/swSwipeReply"
+                    app:switchPadding="12dp" />
+
                 <Button
                     android:id="@+id/btnDefaultFolder"
                     style="?android:attr/buttonStyleSmall"
@@ -829,7 +840,7 @@
                     android:tag="disable"
                     android:text="@string/title_advanced_default_folder"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/swSwipeReply" />
+                    app:layout_constraintTop_toBottomOf="@id/swMoveThreadSent" />
 
                 <TextView
                     android:id="@+id/tvDefaultFolderHint"

app/src/main/res/values/strings.xml

@@ -672,6 +672,7 @@
     <string name="title_advanced_auto_block_sender">Automatically block the sender when reporting spam</string>
     <string name="title_advanced_auto_hide_answer">Automatically hide the answer button when scrolling</string>
     <string name="title_advanced_swipe_reply">Swipe expanded messages to the right to reply</string>
+    <string name="title_advanced_move_thread_sent">When moving a conversation, also move sent messages</string>
     <string name="title_advanced_default_snooze">Default snooze/delay time</string>
     <string name="title_advanced_default_folder">Select default folder</string>