Enhancement #2091189: add a count column to the enumerated values dialog

This commit is contained in:
Charles Haley 2024-12-07 13:44:57 +00:00
parent f2c1274824
commit 5f701dbdcd

View File

@ -18,6 +18,19 @@ from qt.core import (
)
from calibre.gui2 import error_dialog, gprefs
from calibre.utils.localization import ngettext
class CountTableWidgetItem(QTableWidgetItem):
def __init__(self, count):
QTableWidgetItem.__init__(self, str(count) if count is not None else '0')
self.setTextAlignment(Qt.AlignmentFlag.AlignRight|Qt.AlignmentFlag.AlignVCenter)
self.setFlags(self.flags() & ~(Qt.ItemFlag.ItemIsSelectable|Qt.ItemFlag.ItemIsEditable))
self._count = count
def set_count(self, count):
self.setText(str(count) if count is not None else '0')
class EnumValuesEdit(QDialog):
@ -33,7 +46,8 @@ class EnumValuesEdit(QDialog):
bbox.addStretch(10)
self.del_button = QToolButton()
self.del_button.setIcon(QIcon.ic('trash.png'))
self.del_button.setToolTip(_('Remove the currently selected value'))
self.del_button.setToolTip(_('Remove the currently selected value. Only '
'values with a count of zero can be removed'))
self.ins_button = QToolButton()
self.ins_button.setIcon(QIcon.ic('plus.png'))
self.ins_button.setToolTip(_('Add a new permissible value'))
@ -58,12 +72,15 @@ class EnumValuesEdit(QDialog):
tl = QVBoxLayout()
l.addItem(tl, 0, 1)
self.table = t = QTableWidget(parent)
t.setColumnCount(2)
t.setColumnCount(3)
t.setRowCount(1)
t.setHorizontalHeaderLabels([_('Value'), _('Color')])
t.setHorizontalHeaderLabels([_('Value'), _('Color'), _('Count')])
t.setSelectionMode(QAbstractItemView.SelectionMode.SingleSelection)
tl.addWidget(t)
counts = self.db.new_api.get_usage_count_by_id(key)
self.name_to_count = {self.db.new_api.get_item_name(key, item_id):count for item_id,count in counts.items()}
self.key = key
self.fm = fm = db.field_metadata[key]
permitted_values = fm.get('display', {}).get('enum_values', '')
@ -76,6 +93,7 @@ class EnumValuesEdit(QDialog):
c.setCurrentIndex(c.findText(colors[i]))
else:
c.setCurrentIndex(0)
self.make_count_item(i, v)
t.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeMode.Stretch)
@ -86,11 +104,19 @@ class EnumValuesEdit(QDialog):
bb.rejected.connect(self.reject)
l.addWidget(bb, 1, 0, 1, 2)
self.table.cellChanged.connect(self.cell_changed)
self.ins_button.clicked.connect(self.ins_button_clicked)
self.move_down_button.clicked.connect(self.move_down_clicked)
self.move_up_button.clicked.connect(self.move_up_clicked)
self.restore_geometry(gprefs, 'enum-values-edit-geometry')
def cell_changed(self, row, col):
if col == 0:
item = self.table.item(row, 2)
if item is not None and self.table.item(row, 0) is not None:
count = self.name_to_count.get(self.table.item(row, 0).text())
item.set_count(count)
def sizeHint(self):
sz = QDialog.sizeHint(self)
sz.setWidth(max(sz.width(), 600))
@ -115,6 +141,10 @@ class EnumValuesEdit(QDialog):
c.setCurrentIndex(dex)
return c
def make_count_item(self, row, txt):
it = CountTableWidgetItem(self.name_to_count.get(txt))
self.table.setItem(row, 2, it)
def move_up_clicked(self):
row = self.table.currentRow()
if row < 0:
@ -128,11 +158,13 @@ class EnumValuesEdit(QDialog):
def move_row(self, row, direction):
t = self.table.takeItem(row, 0)
c = self.table.cellWidget(row, 1).currentIndex()
count = self.table.takeItem(row, 2)
self.table.removeRow(row)
row += direction
self.table.insertRow(row)
self.table.setItem(row, 0, t)
self.make_color_combobox(row, c)
self.table.setItem(row, 2, count)
self.table.setCurrentCell(row, 0)
def move_down_clicked(self):
@ -146,7 +178,18 @@ class EnumValuesEdit(QDialog):
self.move_row(row, 1)
def del_line(self):
if self.table.currentRow() >= 0:
row = self.table.currentRow()
if row >= 0:
txt = self.table.item(row, 0).text()
count = self.name_to_count.get(txt, 0)
if count > 0:
error_dialog(self,
_('Cannot remove value "{}"').format(txt),
ngettext('The value "{0}" is used in {1} book and cannot be removed.',
'The value "{0}" is used in {1} books and cannot be removed.',
count).format(txt, count),
show=True)
return
self.table.removeRow(self.table.currentRow())
def ins_button_clicked(self):
@ -158,6 +201,7 @@ class EnumValuesEdit(QDialog):
self.table.insertRow(row)
self.make_name_item(row, '')
self.make_color_combobox(row, -1)
self.make_count_item(row, '')
def save_geometry(self):
super().save_geometry(gprefs, 'enum-values-edit-geometry')