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When deleting books of a specific format, show the number of books with each format available

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This commit is contained in:
Kovid Goyal 2012-05-14 13:48:56 +05:30
parent 5d28e4bc1d
commit 370bc1992c
2 changed files with 19 additions and 8 deletions
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8
src/calibre/gui2/actions/delete.py
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@ -6,6 +6,7 @@ __copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en' __docformat__ = 'restructuredtext en'
from functools import partial from functools import partial
from collections import Counter
from PyQt4.Qt import QObject, QTimer from PyQt4.Qt import QObject, QTimer
@ -117,13 +118,14 @@ class DeleteAction(InterfaceAction):
def _get_selected_formats(self, msg, ids): def _get_selected_formats(self, msg, ids):
from calibre.gui2.dialogs.select_formats import SelectFormats from calibre.gui2.dialogs.select_formats import SelectFormats
fmts = set([]) c = Counter()
db = self.gui.library_view.model().db db = self.gui.library_view.model().db
for x in ids: for x in ids:
fmts_ = db.formats(x, index_is_id=True, verify_formats=False) fmts_ = db.formats(x, index_is_id=True, verify_formats=False)
if fmts_: if fmts_:
fmts.update(frozenset([x.lower() for x in fmts_.split(',')])) for x in frozenset([x.lower() for x in fmts_.split(',')]):
d = SelectFormats(list(sorted(fmts)), msg, parent=self.gui) c[x] += 1
d = SelectFormats(c, msg, parent=self.gui)
if d.exec_() != d.Accepted: if d.exec_() != d.Accepted:
return None return None
return d.selected_formats return d.selected_formats

19
src/calibre/gui2/dialogs/select_formats.py
View File

@ -14,9 +14,10 @@ from calibre.gui2 import NONE, file_icon_provider
class Formats(QAbstractListModel): class Formats(QAbstractListModel):
def __init__(self, fmts): def __init__(self, fmt_count):
QAbstractListModel.__init__(self) QAbstractListModel.__init__(self)
self.fmts = sorted(fmts) self.fmts = sorted(set(fmt_count))
self.counts = fmt_count
self.fi = file_icon_provider() self.fi = file_icon_provider()
def rowCount(self, parent): def rowCount(self, parent):
@ -25,9 +26,17 @@ class Formats(QAbstractListModel):
def data(self, index, role): def data(self, index, role):
row = index.row() row = index.row()
if role == Qt.DisplayRole: if role == Qt.DisplayRole:
return QVariant(self.fmts[row].upper()) fmt = self.fmts[row]
count = self.counts[fmt]
return QVariant('%s [%d]'%(fmt.upper(), count))
if role == Qt.DecorationRole: if role == Qt.DecorationRole:
return QVariant(self.fi.icon_from_ext(self.fmts[row].lower())) return QVariant(self.fi.icon_from_ext(self.fmts[row].lower()))
if role == Qt.ToolTipRole:
fmt = self.fmts[row]
count = self.counts[fmt]
return QVariant(
_('The are %(count)d book(s) with the %(fmt)s format')%dict(
count=count, fmt=fmt.upper()))
return NONE return NONE
def flags(self, index): def flags(self, index):
@ -38,7 +47,7 @@ class Formats(QAbstractListModel):
class SelectFormats(QDialog): class SelectFormats(QDialog):
def __init__(self, fmt_list, msg, single=False, parent=None): def __init__(self, fmt_count, msg, single=False, parent=None):
QDialog.__init__(self, parent) QDialog.__init__(self, parent)
self._l = QVBoxLayout(self) self._l = QVBoxLayout(self)
self.setLayout(self._l) self.setLayout(self._l)
@ -46,7 +55,7 @@ class SelectFormats(QDialog):
self._m = QLabel(msg) self._m = QLabel(msg)
self._m.setWordWrap(True) self._m.setWordWrap(True)
self._l.addWidget(self._m) self._l.addWidget(self._m)
self.formats = Formats(fmt_list) self.formats = Formats(fmt_count)
self.fview = QListView(self) self.fview = QListView(self)
self._l.addWidget(self.fview) self._l.addWidget(self.fview)
self.fview.setModel(self.formats) self.fview.setModel(self.formats)