Added option to disable auto plain text only reply

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

@@ -4630,6 +4630,7 @@ public class FragmentCompose extends FragmentBase {
 
             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
             boolean plain_only = prefs.getBoolean("plain_only", false);
+            boolean plain_only_reply = prefs.getBoolean("plain_only_reply", true);
             boolean resize_reply = prefs.getBoolean("resize_reply", true);
             boolean sign_default = prefs.getBoolean("sign_default", false);
             boolean encrypt_default = prefs.getBoolean("encrypt_default", false);
@@ -5074,7 +5075,7 @@ public class FragmentCompose extends FragmentBase {
                             data.draft.sensitivity = ref.sensitivity;
 
                             // Plain-only
-                            if (ref.isPlainOnly())
+                            if (plain_only_reply && ref.isPlainOnly())
                                 data.draft.plain_only = 1;
 
                             // Encryption

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

@@ -103,6 +103,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
     private SwitchCompat swAttachNew;
     private SwitchCompat swAutoLink;
     private SwitchCompat swPlainOnly;
+    private SwitchCompat swPlainOnlyReply;
     private SwitchCompat swFormatFlowed;
     private SwitchCompat swUsenetSignature;
     private SwitchCompat swRemoveSignatures;
@@ -126,7 +127,8 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
             "prefix_once", "prefix_count", "alt_re", "alt_fwd",
             "separate_reply", "extended_reply", "write_below", "quote_reply", "quote_limit", "resize_reply",
             "signature_location", "signature_new", "signature_reply", "signature_reply_once", "signature_forward",
-            "attach_new", "auto_link", "plain_only", "format_flowed", "usenet_signature", "remove_signatures",
+            "attach_new", "auto_link", "plain_only", "plain_only_reply",
+            "format_flowed", "usenet_signature", "remove_signatures",
             "receipt_default", "receipt_type", "receipt_legacy",
             "forward_new",
             "lookup_mx", "reply_move", "reply_move_inbox"
@@ -183,6 +185,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
         swAttachNew = view.findViewById(R.id.swAttachNew);
         swAutoLink = view.findViewById(R.id.swAutoLink);
         swPlainOnly = view.findViewById(R.id.swPlainOnly);
+        swPlainOnlyReply = view.findViewById(R.id.swPlainOnlyReply);
         swFormatFlowed = view.findViewById(R.id.swFormatFlowed);
         swUsenetSignature = view.findViewById(R.id.swUsenetSignature);
         swRemoveSignatures = view.findViewById(R.id.swRemoveSignatures);
@@ -558,6 +561,13 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
             }
         });
 
+        swPlainOnlyReply.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("plain_only_reply", checked).apply();
+            }
+        });
+
         swFormatFlowed.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -762,6 +772,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
         swAttachNew.setChecked(prefs.getBoolean("attach_new", true));
         swAutoLink.setChecked(prefs.getBoolean("auto_link", false));
         swPlainOnly.setChecked(prefs.getBoolean("plain_only", false));
+        swPlainOnlyReply.setChecked(prefs.getBoolean("plain_only_reply", true));
         swFormatFlowed.setChecked(prefs.getBoolean("format_flowed", false));
         swUsenetSignature.setChecked(prefs.getBoolean("usenet_signature", false));
         swRemoveSignatures.setChecked(prefs.getBoolean("remove_signatures", false));

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

@@ -738,6 +738,18 @@
                     app:layout_constraintTop_toBottomOf="@id/swAutoLink"
                     app:switchPadding="12dp" />
 
+                <androidx.appcompat.widget.SwitchCompat
+                    android:id="@+id/swPlainOnlyReply"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="12dp"
+                    android:checked="true"
+                    android:text="@string/title_advanced_plain_only_reply"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/swPlainOnly"
+                    app:switchPadding="12dp" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swFormatFlowed"
                     android:layout_width="0dp"
@@ -746,7 +758,7 @@
                     android:text="@string/title_advanced_flow"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/swPlainOnly"
+                    app:layout_constraintTop_toBottomOf="@id/swPlainOnlyReply"
                     app:switchPadding="12dp" />
 
                 <androidx.appcompat.widget.SwitchCompat

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

@@ -461,6 +461,7 @@
 
     <string name="title_advanced_auto_link">Automatically create links</string>
     <string name="title_advanced_plain_only">Send plain text only by default</string>
+    <string name="title_advanced_plain_only_reply">Automatically plain text only when replying to a plain text only message</string>
     <string name="title_advanced_flow">\'format flowed\' for plain text</string>
     <string name="title_advanced_usenet_signature">Follow Usenet signature convention</string>
     <string name="title_advanced_remove_signatures">Remove recognized signatures</string>