Enhancement #1977681: additional display options for custom yes/no column

src/calibre/gui2/library/models.py

@@ -827,11 +827,15 @@ class BooksModel(QAbstractTableModel):  # {{{
                             return None
                         return by if val else bn
                 else:
+                    if m['display'].get('bools_show_icons', True):
                         def func(idx):
                             val = force_to_bool(fffunc(field_obj, idfunc(idx)))
                             if val is None:
                                 return None if bt else bn
                             return by if val else bn
+                    else:
+                        def func(idx):
+                            return None
             elif field == 'size':
                 sz_mult = 1/(1024**2)
 
@@ -910,6 +914,14 @@ class BooksModel(QAbstractTableModel):  # {{{
                         except (TypeError, ValueError, AttributeError, IndexError, KeyError):
                             pass
                     return (val)
+            elif dt == 'bool':
+                if m['display'].get('bools_show_text', False):
+                    def func(idx):
+                        v = fffunc(field_obj, idfunc(idx))
+                        return (None if v is None else (_('Yes') if v else _('No')))
+                else:
+                    def func(idx):
+                        return(None)
             else:
                 def func(idx):
                     return None

src/calibre/gui2/library/views.py

@@ -451,7 +451,9 @@ class BooksView(QTableView):  # {{{
             ac.setCheckable(True)
             ac.setChecked(True)
         if col not in ('ondevice', 'inlibrary') and \
-                (not self.model().is_custom_column(col) or self.model().custom_columns[col]['datatype'] not in ('bool',)):
+                (not self.model().is_custom_column(col) or
+                 (self._model.custom_columns[col]['datatype'] != 'bool' or
+                  self._model.custom_columns[col]['display'].get('bools_show_text', False))):
             m = ans.addMenu(_('Change text alignment for %s') % name)
             m.setIcon(QIcon.ic('format-justify-center.png'))
             al = self._model.alignment_map.get(col, 'left')

src/calibre/gui2/preferences/create_custom_column.py

@@ -13,7 +13,7 @@ from functools import partial
 from qt.core import (
     QDialog, Qt, QColor, QIcon, QVBoxLayout, QLabel, QGridLayout,
     QDialogButtonBox, QWidget, QLineEdit, QHBoxLayout, QComboBox,
-    QCheckBox, QSpinBox
+    QCheckBox, QSpinBox, QRadioButton, QGroupBox
 )
 
 from calibre.gui2 import error_dialog
@@ -173,6 +173,15 @@ class CreateCustomColumn(QDialog):
             self.comments_type.setCurrentIndex(idx)
         elif ct == 'rating':
             self.allow_half_stars.setChecked(bool(c['display'].get('allow_half_stars', False)))
+        elif ct == 'bool':
+            icon = bool(c['display'].get('bools_show_icons', True))
+            txt = bool(c['display'].get('bools_show_text', False))
+            if icon and txt:
+                self.bool_show_both_button.setChecked(True)
+            elif icon:
+                self.bool_show_icon_button.setChecked(True)
+            else:
+                self.bool_show_text_button.setChecked(True)
 
         # Default values
         dv = c['display'].get('default_value', None)
@@ -315,6 +324,24 @@ class CreateCustomColumn(QDialog):
         d.setToolTip(_("Optional text describing what this column is for"))
         add_row(_("D&escription:"), d)
 
+        # bool formatting
+        h1 = QHBoxLayout()
+        self.bool_show_icon_button = QRadioButton('Icon')
+        h1.addWidget(self.bool_show_icon_button)
+        self.bool_show_text_button = QRadioButton('Text')
+        h1.addWidget(self.bool_show_text_button)
+        self.bool_show_both_button = QRadioButton('Both')
+        h1.addWidget(self.bool_show_both_button)
+        self.bool_button_group = QGroupBox()
+        self.bool_button_group.setLayout(h1)
+        h = QHBoxLayout()
+        h.addWidget(self.bool_button_group)
+        self.bool_button_group_label = la = QLabel(_('Choose whether an icon, text, or both is shown in the book list'))
+        la.setWordWrap(True)
+        h.addWidget(la)
+        h.setStretch(1, 10)
+        self.bool_show_label = add_row(_('Show:'), h)
+
         # Date/number formatting
         h = QHBoxLayout()
         self.format_box = fb = QLineEdit(self)
@@ -493,6 +520,7 @@ class CreateCustomColumn(QDialog):
             getattr(self, 'default_'+x).setVisible(col_type not in ['composite', '*composite'])
         self.use_decorations.setVisible(col_type in ['text', 'composite', 'enumeration'])
         self.is_names.setVisible(col_type == '*text')
+
         is_comments = col_type == 'comments'
         self.comments_heading_position.setVisible(is_comments)
         self.comments_heading_position_label.setVisible(is_comments)
@@ -500,6 +528,11 @@ class CreateCustomColumn(QDialog):
         self.comments_type_label.setVisible(is_comments)
         self.allow_half_stars.setVisible(col_type == 'rating')
 
+        is_bool = col_type == 'bool'
+        self.bool_button_group.setVisible(is_bool)
+        self.bool_button_group_label.setVisible(is_bool)
+        self.bool_show_label.setVisible(is_bool)
+
     def accept(self):
         col = str(self.column_name_box.text()).strip()
         if not col:
@@ -645,6 +678,10 @@ class CreateCustomColumn(QDialog):
                     return self.simple_error(_('Invalid default value'),
                              _('The default value must be "Yes" or "No"'))
                 display_dict['default_value'] = tv
+            show_icon = bool(self.bool_show_icon_button.isChecked()) or bool(self.bool_show_both_button.isChecked())
+            show_text = bool(self.bool_show_text_button.isChecked()) or bool(self.bool_show_both_button.isChecked())
+            display_dict['bools_show_text'] = show_text
+            display_dict['bools_show_icons'] = show_icon
 
         if col_type in ['text', 'composite', 'enumeration'] and not is_multiple:
             display_dict['use_decorations'] = self.use_decorations.checkState() == Qt.CheckState.Checked