Added long press folder to edit folder color

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

@@ -658,6 +658,9 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
                     }
                 }
 
+                if (parentFragment instanceof FragmentFolders)
+                    popupMenu.getMenu().add(Menu.NONE, R.string.title_color, order++, R.string.title_color);
+
                 popupMenu.getMenu().add(Menu.NONE, R.string.title_edit_properties, order++, R.string.title_edit_properties);
 
                 if (folder.account != null && folder.accountProtocol == EntityAccount.TYPE_IMAP) {
@@ -810,6 +813,9 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
                     } else if (itemId == R.string.title_import_messages) {
                         onActionImportMessages();
                         return true;
+                    } else if (itemId == R.string.title_color) {
+                        onActionEditColor();
+                        return true;
                     } else if (itemId == R.string.title_edit_properties) {
                         onActionEditProperties();
                         return true;
@@ -1319,6 +1325,19 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
                             FragmentFolders.REQUEST_IMPORT_MESSAGES);
                 }
 
+                private void onActionEditColor() {
+                    Bundle args = new Bundle();
+                    args.putLong("id", folder.id);
+                    args.putInt("color", folder.color == null ? Color.TRANSPARENT : folder.color);
+                    args.putString("title", context.getString(R.string.title_color));
+                    args.putBoolean("reset", true);
+
+                    FragmentDialogColor fragment = new FragmentDialogColor();
+                    fragment.setArguments(args);
+                    fragment.setTargetFragment(parentFragment, FragmentFolders.REQUEST_EDIT_FOLDER_COLOR);
+                    fragment.show(parentFragment.getParentFragmentManager(), "edit:color");
+                }
+
                 private void onActionEditProperties() {
                     LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
                     lbm.sendBroadcast(

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

@@ -319,6 +319,9 @@ public interface DaoFolder {
     @Query("UPDATE folder SET type = :type WHERE id = :id AND NOT (type IS :type)")
     int setFolderType(long id, String type);
 
+    @Query("UPDATE folder SET color = :color WHERE id = :id AND NOT (color IS :color)")
+    int setFolderColor(long id, Integer color);
+
     @Query("UPDATE folder SET inherited_type = :type WHERE id = :id AND NOT (inherited_type IS :type)")
     int setFolderInheritedType(long id, String type);
 

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

@@ -133,8 +133,9 @@ public class FragmentFolders extends FragmentBase {
     static final int REQUEST_EXECUTE_RULES = 4;
     static final int REQUEST_EXPORT_MESSAGES = 5;
     static final int REQUEST_IMPORT_MESSAGES = 6;
-    static final int REQUEST_EDIT_ACCOUNT_NAME = 7;
-    static final int REQUEST_EDIT_ACCOUNT_COLOR = 8;
+    static final int REQUEST_EDIT_FOLDER_COLOR = 7;
+    static final int REQUEST_EDIT_ACCOUNT_NAME = 8;
+    static final int REQUEST_EDIT_ACCOUNT_COLOR = 9;
 
     private static final long EXPORT_PROGRESS_INTERVAL = 5000L; // milliseconds
 
@@ -972,6 +973,10 @@ public class FragmentFolders extends FragmentBase {
                     if (resultCode == RESULT_OK && data != null)
                         onImportMessages(data.getData());
                     break;
+                case REQUEST_EDIT_FOLDER_COLOR:
+                    if (resultCode == RESULT_OK && data != null)
+                        onEditFolderColor(data.getBundleExtra("args"));
+                    break;
                 case REQUEST_EDIT_ACCOUNT_NAME:
                     if (resultCode == RESULT_OK && data != null)
                         onEditAccountName(data.getBundleExtra("args"));
@@ -1691,6 +1696,33 @@ public class FragmentFolders extends FragmentBase {
         }.setKeepAwake(true).execute(this, args, "folder:export");
     }
 
+    private void onEditFolderColor(Bundle args) {
+        if (!ActivityBilling.isPro(getContext())) {
+            startActivity(new Intent(getContext(), ActivityBilling.class));
+            return;
+        }
+
+        new SimpleTask<Void>() {
+            @Override
+            protected Void onExecute(Context context, Bundle args) {
+                long id = args.getLong("id");
+                Integer color = args.getInt("color");
+
+                if (color == Color.TRANSPARENT)
+                    color = null;
+
+                DB db = DB.getInstance(context);
+                db.folder().setFolderColor(id, color);
+                return null;
+            }
+
+            @Override
+            protected void onException(Bundle args, Throwable ex) {
+                Log.unexpectedError(getParentFragmentManager(), ex);
+            }
+        }.execute(this, args, "edit:color");
+    }
+
     private void onEditAccountName(Bundle args) {
         new SimpleTask<Void>() {
             @Override