def __init__(self, parent):
BooksView.__init__(self, parent, DeviceBooksModel,
use_edit_metadata_dialog=False)
self.can_add_columns = False
self.columns_resized = False
self.resize_on_select = False
self.rating_delegate = None
for i in range(10):
self.setItemDelegateForColumn(i, TextDelegate(self))
self.setDragDropMode(self.NoDragDrop)
self.setAcceptDrops(False)
def __init__(self, parent):
BooksView.__init__(self, parent, DeviceBooksModel,
use_edit_metadata_dialog=False)
self._model.resize_rows.connect(self.do_row_sizing,
type=Qt.QueuedConnection)
self.can_add_columns = False
self.resize_on_select = False
self.rating_delegate = None
for i in range(10):
self.setItemDelegateForColumn(i, TextDelegate(self))
self.setDragDropMode(self.NoDragDrop)
self.setAcceptDrops(False)
def __init__(self, parent, modelcls=BooksModel, use_edit_metadata_dialog=True):
QTableView.__init__(self, parent)
self.default_row_height = self.verticalHeader().defaultSectionSize()
self.gui = parent
self.setProperty('highlight_current_item', 150)
self.row_sizing_done = False
self.alternate_views = AlternateViews(self)
if not tweaks['horizontal_scrolling_per_column']:
self.setHorizontalScrollMode(self.ScrollPerPixel)
self.setEditTriggers(self.EditKeyPressed)
if tweaks['doubleclick_on_library_view'] == 'edit_cell':
self.setEditTriggers(self.DoubleClicked|self.editTriggers())
elif tweaks['doubleclick_on_library_view'] == 'open_viewer':
self.setEditTriggers(self.SelectedClicked|self.editTriggers())
self.doubleClicked.connect(parent.iactions['View'].view_triggered)
elif tweaks['doubleclick_on_library_view'] == 'edit_metadata':
# Must not enable single-click to edit, or the field will remain
# open in edit mode underneath the edit metadata dialog
if use_edit_metadata_dialog:
self.doubleClicked.connect(
partial(parent.iactions['Edit Metadata'].edit_metadata,
checked=False))
else:
self.setEditTriggers(self.DoubleClicked|self.editTriggers())
setup_dnd_interface(self)
self.setAlternatingRowColors(True)
self.setShowGrid(False)
self.setWordWrap(False)
self.rating_delegate = RatingDelegate(self)
self.timestamp_delegate = DateDelegate(self)
self.pubdate_delegate = PubDateDelegate(self)
self.last_modified_delegate = DateDelegate(self,
tweak_name='gui_last_modified_display_format')
self.languages_delegate = LanguagesDelegate(self)
self.tags_delegate = CompleteDelegate(self, ',', 'all_tag_names')
self.authors_delegate = CompleteDelegate(self, '&', 'all_author_names', True)
self.cc_names_delegate = CompleteDelegate(self, '&', 'all_custom', True)
self.series_delegate = TextDelegate(self)
self.publisher_delegate = TextDelegate(self)
self.text_delegate = TextDelegate(self)
self.cc_text_delegate = CcTextDelegate(self)
self.cc_enum_delegate = CcEnumDelegate(self)
self.cc_bool_delegate = CcBoolDelegate(self)
self.cc_comments_delegate = CcCommentsDelegate(self)
self.cc_template_delegate = CcTemplateDelegate(self)
self.cc_number_delegate = CcNumberDelegate(self)
self.display_parent = parent
self._model = modelcls(self)
self.setModel(self._model)
self._model.count_changed_signal.connect(self.do_row_sizing,
type=Qt.QueuedConnection)
self.setSelectionBehavior(QAbstractItemView.SelectRows)
self.setSortingEnabled(True)
self.selectionModel().currentRowChanged.connect(self._model.current_changed)
self.preserve_state = partial(PreserveViewState, self)
self.marked_changed_listener = FunctionDispatcher(self.marked_changed)
# {{{ Column Header setup
self.can_add_columns = True
self.was_restored = False
self.column_header = HeaderView(Qt.Horizontal, self)
self.setHorizontalHeader(self.column_header)
self.column_header.sortIndicatorChanged.disconnect()
self.column_header.sortIndicatorChanged.connect(self.user_sort_requested)
self.column_header.setSectionsMovable(True)
self.column_header.setSectionsClickable(True)
self.column_header.sectionMoved.connect(self.save_state)
self.column_header.setContextMenuPolicy(Qt.CustomContextMenu)
self.column_header.customContextMenuRequested.connect(self.show_column_header_context_menu)
self.column_header.sectionResized.connect(self.column_resized, Qt.QueuedConnection)
self.row_header = HeaderView(Qt.Vertical, self)
self.row_header.setSectionResizeMode(self.row_header.Fixed)
self.setVerticalHeader(self.row_header)
# }}}
self._model.database_changed.connect(self.database_changed)
hv = self.verticalHeader()
hv.setSectionsClickable(True)
hv.setCursor(Qt.PointingHandCursor)
self.selected_ids = []
self._model.about_to_be_sorted.connect(self.about_to_be_sorted)
self._model.sorting_done.connect(self.sorting_done,
type=Qt.QueuedConnection)
class BooksView(QTableView): # {{{
files_dropped = pyqtSignal(object)
add_column_signal = pyqtSignal()
is_library_view = True
def viewportEvent(self, event):
if (event.type() == event.ToolTip and not gprefs['book_list_tooltips']):
return False
return QTableView.viewportEvent(self, event)
def __init__(self, parent, modelcls=BooksModel, use_edit_metadata_dialog=True):
QTableView.__init__(self, parent)
self.default_row_height = self.verticalHeader().defaultSectionSize()
self.gui = parent
self.setProperty('highlight_current_item', 150)
self.row_sizing_done = False
self.alternate_views = AlternateViews(self)
if not tweaks['horizontal_scrolling_per_column']:
self.setHorizontalScrollMode(self.ScrollPerPixel)
self.setEditTriggers(self.EditKeyPressed)
if tweaks['doubleclick_on_library_view'] == 'edit_cell':
self.setEditTriggers(self.DoubleClicked|self.editTriggers())
elif tweaks['doubleclick_on_library_view'] == 'open_viewer':
self.setEditTriggers(self.SelectedClicked|self.editTriggers())
self.doubleClicked.connect(parent.iactions['View'].view_triggered)
elif tweaks['doubleclick_on_library_view'] == 'edit_metadata':
# Must not enable single-click to edit, or the field will remain
# open in edit mode underneath the edit metadata dialog
if use_edit_metadata_dialog:
self.doubleClicked.connect(
partial(parent.iactions['Edit Metadata'].edit_metadata,
checked=False))
else:
self.setEditTriggers(self.DoubleClicked|self.editTriggers())
setup_dnd_interface(self)
self.setAlternatingRowColors(True)
self.setShowGrid(False)
self.setWordWrap(False)
self.rating_delegate = RatingDelegate(self)
self.timestamp_delegate = DateDelegate(self)
self.pubdate_delegate = PubDateDelegate(self)
self.last_modified_delegate = DateDelegate(self,
tweak_name='gui_last_modified_display_format')
self.languages_delegate = LanguagesDelegate(self)
self.tags_delegate = CompleteDelegate(self, ',', 'all_tag_names')
self.authors_delegate = CompleteDelegate(self, '&', 'all_author_names', True)
self.cc_names_delegate = CompleteDelegate(self, '&', 'all_custom', True)
self.series_delegate = TextDelegate(self)
self.publisher_delegate = TextDelegate(self)
self.text_delegate = TextDelegate(self)
self.cc_text_delegate = CcTextDelegate(self)
self.cc_enum_delegate = CcEnumDelegate(self)
self.cc_bool_delegate = CcBoolDelegate(self)
self.cc_comments_delegate = CcCommentsDelegate(self)
self.cc_template_delegate = CcTemplateDelegate(self)
self.cc_number_delegate = CcNumberDelegate(self)
self.display_parent = parent
self._model = modelcls(self)
self.setModel(self._model)
self._model.count_changed_signal.connect(self.do_row_sizing,
type=Qt.QueuedConnection)
self.setSelectionBehavior(QAbstractItemView.SelectRows)
self.setSortingEnabled(True)
self.selectionModel().currentRowChanged.connect(self._model.current_changed)
self.preserve_state = partial(PreserveViewState, self)
self.marked_changed_listener = FunctionDispatcher(self.marked_changed)
# {{{ Column Header setup
self.can_add_columns = True
self.was_restored = False
self.column_header = HeaderView(Qt.Horizontal, self)
self.setHorizontalHeader(self.column_header)
self.column_header.sortIndicatorChanged.disconnect()
self.column_header.sortIndicatorChanged.connect(self.user_sort_requested)
self.column_header.setSectionsMovable(True)
self.column_header.setSectionsClickable(True)
self.column_header.sectionMoved.connect(self.save_state)
self.column_header.setContextMenuPolicy(Qt.CustomContextMenu)
self.column_header.customContextMenuRequested.connect(self.show_column_header_context_menu)
self.column_header.sectionResized.connect(self.column_resized, Qt.QueuedConnection)
self.row_header = HeaderView(Qt.Vertical, self)
self.row_header.setSectionResizeMode(self.row_header.Fixed)
self.setVerticalHeader(self.row_header)
# }}}
self._model.database_changed.connect(self.database_changed)
hv = self.verticalHeader()
hv.setSectionsClickable(True)
hv.setCursor(Qt.PointingHandCursor)
self.selected_ids = []
self._model.about_to_be_sorted.connect(self.about_to_be_sorted)
self._model.sorting_done.connect(self.sorting_done,
type=Qt.QueuedConnection)
# Column Header Context Menu {{{
def column_header_context_handler(self, action=None, column=None):
if not action or not column:
return
try:
idx = self.column_map.index(column)
except:
return
h = self.column_header
if action == 'hide':
if h.hiddenSectionCount() >= h.count():
return error_dialog(self, _('Cannot hide all columns'), _(
'You must not hide all columns'), show=True)
h.setSectionHidden(idx, True)
elif action == 'show':
h.setSectionHidden(idx, False)
if h.sectionSize(idx) < 3:
sz = h.sectionSizeHint(idx)
h.resizeSection(idx, sz)
elif action == 'ascending':
self.sort_by_column_and_order(idx, True)
elif action == 'descending':
self.sort_by_column_and_order(idx, False)
elif action == 'defaults':
self.apply_state(self.get_default_state())
elif action == 'addcustcol':
self.add_column_signal.emit()
elif action.startswith('align_'):
alignment = action.partition('_')[-1]
self._model.change_alignment(column, alignment)
elif action == 'quickview':
from calibre.customize.ui import find_plugin
qv = find_plugin('Show Quickview')
if qv:
rows = self.selectionModel().selectedRows()
if len(rows) > 0:
current_row = rows[0].row()
current_col = self.column_map.index(column)
index = self.model().index(current_row, current_col)
qv.actual_plugin_.change_quickview_column(index)
self.save_state()
def show_column_header_context_menu(self, pos):
idx = self.column_header.logicalIndexAt(pos)
if idx > -1 and idx < len(self.column_map):
col = self.column_map[idx]
name = unicode(self.model().headerData(idx, Qt.Horizontal,
Qt.DisplayRole) or '')
self.column_header_context_menu = QMenu(self)
if col != 'ondevice':
self.column_header_context_menu.addAction(_('Hide column %s') %
name,
partial(self.column_header_context_handler, action='hide',
column=col))
m = self.column_header_context_menu.addMenu(
_('Sort on %s') % name)
a = m.addAction(_('Ascending'),
partial(self.column_header_context_handler,
action='ascending', column=col))
d = m.addAction(_('Descending'),
partial(self.column_header_context_handler,
action='descending', column=col))
if self._model.sorted_on[0] == col:
ac = a if self._model.sorted_on[1] else d
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',
)):
m = self.column_header_context_menu.addMenu(
_('Change text alignment for %s') % name)
al = self._model.alignment_map.get(col, 'left')
for x, t in (('left', _('Left')), ('right', _('Right')), ('center',
_('Center'))):
a = m.addAction(t,
partial(self.column_header_context_handler,
action='align_'+x, column=col))
if al == x:
a.setCheckable(True)
a.setChecked(True)
if not isinstance(self, DeviceBooksView):
if self._model.db.field_metadata[col]['is_category']:
act = self.column_header_context_menu.addAction(_('Quickview column %s') %
name,
partial(self.column_header_context_handler, action='quickview',
column=col))
rows = self.selectionModel().selectedRows()
if len(rows) > 1:
act.setEnabled(False)
hidden_cols = [self.column_map[i] for i in
range(self.column_header.count()) if
self.column_header.isSectionHidden(i)]
try:
hidden_cols.remove('ondevice')
except:
pass
if hidden_cols:
self.column_header_context_menu.addSeparator()
m = self.column_header_context_menu.addMenu(_('Show column'))
for col in hidden_cols:
hidx = self.column_map.index(col)
name = unicode(self.model().headerData(hidx, Qt.Horizontal,
Qt.DisplayRole) or '')
m.addAction(name,
partial(self.column_header_context_handler,
action='show', column=col))
self.column_header_context_menu.addSeparator()
self.column_header_context_menu.addAction(
_('Shrink column if it is too wide to fit'),
partial(self.resize_column_to_fit, column=self.column_map[idx]))
self.column_header_context_menu.addAction(
_('Restore default layout'),
partial(self.column_header_context_handler,
action='defaults', column=col))
if self.can_add_columns:
self.column_header_context_menu.addAction(
QIcon(I('column.png')),
_('Add your own columns'),
partial(self.column_header_context_handler,
action='addcustcol', column=col))
self.column_header_context_menu.popup(self.column_header.mapToGlobal(pos))
# }}}
# Sorting {{{
def sort_by_column_and_order(self, col, ascending):
self.column_header.blockSignals(True)
self.sortByColumn(col, Qt.AscendingOrder if ascending else Qt.DescendingOrder)
self.column_header.blockSignals(False)
def user_sort_requested(self, col, order=Qt.AscendingOrder):
if col >= len(self.column_map) or col < 0:
return QTableView.sortByColumn(self, col)
field = self.column_map[col]
self.intelligent_sort(field, order == Qt.AscendingOrder)
def intelligent_sort(self, field, ascending):
m = self.model()
pname = 'previous_sort_order_' + self.__class__.__name__
previous = gprefs.get(pname, {})
if field == m.sorted_on[0] or field not in previous:
self.sort_by_named_field(field, ascending)
previous[field] = ascending
gprefs[pname] = previous
return
previous[m.sorted_on[0]] = m.sorted_on[1]
gprefs[pname] = previous
self.sort_by_named_field(field, previous[field])
def about_to_be_sorted(self, idc):
selected_rows = [r.row() for r in self.selectionModel().selectedRows()]
self.selected_ids = [idc(r) for r in selected_rows]
def sorting_done(self, indexc):
pos = self.horizontalScrollBar().value()
self.select_rows(self.selected_ids, using_ids=True, change_current=True,
scroll=True)
self.selected_ids = []
self.horizontalScrollBar().setValue(pos)
def sort_by_named_field(self, field, order, reset=True):
if field in self.column_map:
idx = self.column_map.index(field)
self.sort_by_column_and_order(idx, order)
else:
self._model.sort_by_named_field(field, order, reset)
self.column_header.blockSignals(True)
self.column_header.setSortIndicator(-1, Qt.AscendingOrder)
self.column_header.blockSignals(False)
def multisort(self, fields, reset=True, only_if_different=False):
if len(fields) == 0:
return
sh = self.cleanup_sort_history(self._model.sort_history,
ignore_column_map=True)
if only_if_different and len(sh) >= len(fields):
ret=True
for i,t in enumerate(fields):
if t[0] != sh[i][0]:
ret = False
break
if ret:
return
for n,d in reversed(fields):
if n in self._model.db.field_metadata.keys():
sh.insert(0, (n, d))
sh = self.cleanup_sort_history(sh, ignore_column_map=True)
self._model.sort_history = [tuple(x) for x in sh]
self._model.resort(reset=reset)
col = fields[0][0]
dir = Qt.AscendingOrder if fields[0][1] else Qt.DescendingOrder
if col in self.column_map:
col = self.column_map.index(col)
self.column_header.blockSignals(True)
try:
self.column_header.setSortIndicator(col, dir)
finally:
self.column_header.blockSignals(False)
# }}}
# Ondevice column {{{
def set_ondevice_column_visibility(self):
col, h = self._model.column_map.index('ondevice'), self.column_header
h.setSectionHidden(col, not self._model.device_connected)
def set_device_connected(self, is_connected):
self._model.set_device_connected(is_connected)
self.set_ondevice_column_visibility()
# }}}
# Save/Restore State {{{
def get_state(self):
h = self.column_header
cm = self.column_map
state = {}
state['hidden_columns'] = [cm[i] for i in range(h.count())
if h.isSectionHidden(i) and cm[i] != 'ondevice']
state['last_modified_injected'] = True
state['languages_injected'] = True
state['sort_history'] = \
self.cleanup_sort_history(self.model().sort_history, ignore_column_map=self.is_library_view)
state['column_positions'] = {}
state['column_sizes'] = {}
state['column_alignment'] = self._model.alignment_map
for i in range(h.count()):
name = cm[i]
state['column_positions'][name] = h.visualIndex(i)
if name != 'ondevice':
state['column_sizes'][name] = h.sectionSize(i)
return state
def write_state(self, state):
db = getattr(self.model(), 'db', None)
name = unicode(self.objectName())
if name and db is not None:
db.new_api.set_pref(name + ' books view state', state)
def save_state(self):
# Only save if we have been initialized (set_database called)
if len(self.column_map) > 0 and self.was_restored:
state = self.get_state()
self.write_state(state)
def cleanup_sort_history(self, sort_history, ignore_column_map=False):
history = []
for col, order in sort_history:
if not isinstance(order, bool):
continue
col = {'date':'timestamp', 'sort':'title'}.get(col, col)
if ignore_column_map or col in self.column_map:
if (not history or history[-1][0] != col):
history.append([col, order])
return history
def apply_sort_history(self, saved_history, max_sort_levels=3):
if not saved_history:
return
if self.is_library_view:
for col, order in reversed(self.cleanup_sort_history(
saved_history, ignore_column_map=True)[:max_sort_levels]):
self.sort_by_named_field(col, order)
else:
for col, order in reversed(self.cleanup_sort_history(
saved_history)[:max_sort_levels]):
self.sort_by_column_and_order(self.column_map.index(col), order)
def apply_state(self, state, max_sort_levels=3):
h = self.column_header
cmap = {}
hidden = state.get('hidden_columns', [])
for i, c in enumerate(self.column_map):
cmap[c] = i
if c != 'ondevice':
h.setSectionHidden(i, c in hidden)
positions = state.get('column_positions', {})
pmap = {}
for col, pos in positions.items():
if col in cmap:
pmap[pos] = col
for pos in sorted(pmap.keys()):
col = pmap[pos]
idx = cmap[col]
current_pos = h.visualIndex(idx)
if current_pos != pos:
h.moveSection(current_pos, pos)
# Because of a bug in Qt 5 we have to ensure that the header is actually
# relaid out by changing this value, without this sometimes ghost
# columns remain visible when changing libraries
for i in xrange(h.count()):
val = h.isSectionHidden(i)
h.setSectionHidden(i, not val)
h.setSectionHidden(i, val)
sizes = state.get('column_sizes', {})
for col, size in sizes.items():
if col in cmap:
sz = sizes[col]
if sz < 3:
sz = h.sectionSizeHint(cmap[col])
h.resizeSection(cmap[col], sz)
self.apply_sort_history(state.get('sort_history', None),
max_sort_levels=max_sort_levels)
for col, alignment in state.get('column_alignment', {}).items():
self._model.change_alignment(col, alignment)
for i in range(h.count()):
if not h.isSectionHidden(i) and h.sectionSize(i) < 3:
sz = h.sectionSizeHint(i)
h.resizeSection(i, sz)
def get_default_state(self):
old_state = {
'hidden_columns': ['last_modified', 'languages'],
'sort_history':[DEFAULT_SORT],
'column_positions': {},
'column_sizes': {},
'column_alignment': {
'size':'center',
'timestamp':'center',
'pubdate':'center'},
'last_modified_injected': True,
'languages_injected': True,
}
h = self.column_header
cm = self.column_map
for i in range(h.count()):
name = cm[i]
old_state['column_positions'][name] = i
if name != 'ondevice':
old_state['column_sizes'][name] = \
min(350, max(self.sizeHintForColumn(i),
h.sectionSizeHint(i)))
if name in ('timestamp', 'last_modified'):
old_state['column_sizes'][name] += 12
return old_state
def get_old_state(self):
ans = None
name = unicode(self.objectName())
if name:
name += ' books view state'
db = getattr(self.model(), 'db', None)
if db is not None:
ans = db.prefs.get(name, None)
if ans is None:
ans = gprefs.get(name, None)
try:
del gprefs[name]
except:
pass
if ans is not None:
db.new_api.set_pref(name, ans)
else:
injected = False
if not ans.get('last_modified_injected', False):
injected = True
ans['last_modified_injected'] = True
hc = ans.get('hidden_columns', [])
if 'last_modified' not in hc:
hc.append('last_modified')
if not ans.get('languages_injected', False):
injected = True
ans['languages_injected'] = True
hc = ans.get('hidden_columns', [])
if 'languages' not in hc:
hc.append('languages')
if injected:
db.new_api.set_pref(name, ans)
return ans
def restore_state(self):
old_state = self.get_old_state()
if old_state is None:
old_state = self.get_default_state()
max_levels = 3
if tweaks['sort_columns_at_startup'] is not None:
sh = []
try:
for c,d in tweaks['sort_columns_at_startup']:
if not isinstance(d, bool):
d = True if d == 0 else False
sh.append((c, d))
except:
# Ignore invalid tweak values as users seem to often get them
# wrong
print('Ignoring invalid sort_columns_at_startup tweak, with error:')
import traceback
traceback.print_exc()
old_state['sort_history'] = sh
max_levels = max(3, len(sh))
self.column_header.blockSignals(True)
self.apply_state(old_state, max_sort_levels=max_levels)
self.column_header.blockSignals(False)
self.do_row_sizing()
self.was_restored = True
def refresh_row_sizing(self):
self.row_sizing_done = False
self.do_row_sizing()
def do_row_sizing(self):
# Resize all rows to have the correct height
if not self.row_sizing_done and self.model().rowCount(QModelIndex()) > 0:
vh = self.verticalHeader()
vh.setDefaultSectionSize(max(vh.minimumSectionSize(), self.default_row_height + gprefs['book_list_extra_row_spacing']))
self._model.set_row_height(self.rowHeight(0))
self.row_sizing_done = True
def resize_column_to_fit(self, column):
col = self.column_map.index(column)
self.column_resized(col, self.columnWidth(col), self.columnWidth(col))
def column_resized(self, col, old_size, new_size):
# arbitrary: scroll bar + header + some
max_width = self.width() - (self.verticalScrollBar().width() +
self.verticalHeader().width() + 10)
if max_width < 200:
max_width = 200
if new_size > max_width:
self.column_header.blockSignals(True)
self.setColumnWidth(col, max_width)
self.column_header.blockSignals(False)
# }}}
# Initialization/Delegate Setup {{{
def set_database(self, db):
self.alternate_views.set_database(db)
self.save_state()
self._model.set_database(db)
self.tags_delegate.set_database(db)
self.cc_names_delegate.set_database(db)
self.authors_delegate.set_database(db)
self.series_delegate.set_auto_complete_function(db.all_series)
self.publisher_delegate.set_auto_complete_function(db.all_publishers)
self.alternate_views.set_database(db, stage=1)
def marked_changed(self, old_marked, current_marked):
self.alternate_views.marked_changed(old_marked, current_marked)
if bool(old_marked) == bool(current_marked):
changed = old_marked | current_marked
i = self.model().db.data.id_to_index
def f(x):
try:
return i(x)
except ValueError:
pass
sections = tuple(x for x in map(f, changed) if x is not None)
if sections:
self.row_header.headerDataChanged(Qt.Vertical, min(sections), max(sections))
# This is needed otherwise Qt does not always update the
# viewport correctly. See https://bugs.launchpad.net/bugs/1404697
self.row_header.viewport().update()
else:
# Marked items have either appeared or all been removed
self.model().set_row_decoration(current_marked)
self.row_header.headerDataChanged(Qt.Vertical, 0, self.row_header.count()-1)
self.row_header.geometriesChanged.emit()
def database_changed(self, db):
db.data.add_marked_listener(self.marked_changed_listener)
for i in range(self.model().columnCount(None)):
if self.itemDelegateForColumn(i) in (self.rating_delegate,
self.timestamp_delegate, self.pubdate_delegate,
self.last_modified_delegate, self.languages_delegate):
self.setItemDelegateForColumn(i, self.itemDelegate())
cm = self.column_map
for colhead in cm:
if self._model.is_custom_column(colhead):
cc = self._model.custom_columns[colhead]
if cc['datatype'] == 'datetime':
delegate = CcDateDelegate(self)
delegate.set_format(cc['display'].get('date_format',''))
self.setItemDelegateForColumn(cm.index(colhead), delegate)
elif cc['datatype'] == 'comments':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_comments_delegate)
elif cc['datatype'] == 'text':
if cc['is_multiple']:
if cc['display'].get('is_names', False):
self.setItemDelegateForColumn(cm.index(colhead),
self.cc_names_delegate)
else:
self.setItemDelegateForColumn(cm.index(colhead),
self.tags_delegate)
else:
self.setItemDelegateForColumn(cm.index(colhead), self.cc_text_delegate)
elif cc['datatype'] == 'series':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_text_delegate)
elif cc['datatype'] in ('int', 'float'):
self.setItemDelegateForColumn(cm.index(colhead), self.cc_number_delegate)
elif cc['datatype'] == 'bool':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_bool_delegate)
elif cc['datatype'] == 'rating':
self.setItemDelegateForColumn(cm.index(colhead), self.rating_delegate)
elif cc['datatype'] == 'composite':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_template_delegate)
elif cc['datatype'] == 'enumeration':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_enum_delegate)
else:
dattr = colhead+'_delegate'
delegate = colhead if hasattr(self, dattr) else 'text'
self.setItemDelegateForColumn(cm.index(colhead), getattr(self,
delegate+'_delegate'))
self.restore_state()
self.set_ondevice_column_visibility()
# incase there were marked books
self.model().set_row_decoration(set())
self.row_header.headerDataChanged(Qt.Vertical, 0, self.row_header.count()-1)
self.row_header.geometriesChanged.emit()
# }}}
# Context Menu {{{
def set_context_menu(self, menu, edit_collections_action):
self.setContextMenuPolicy(Qt.DefaultContextMenu)
self.context_menu = menu
self.alternate_views.set_context_menu(menu)
self.edit_collections_action = edit_collections_action
def contextMenuEvent(self, event):
sac = self.gui.iactions['Sort By']
sort_added = tuple(ac for ac in self.context_menu.actions() if ac is sac.qaction)
if sort_added:
sac.update_menu()
self.context_menu.popup(event.globalPos())
event.accept()
# }}}
@property
def column_map(self):
return self._model.column_map
@property
def visible_columns(self):
h = self.horizontalHeader()
logical_indices = (x for x in xrange(h.count()) if not h.isSectionHidden(x))
rmap = {i:x for i, x in enumerate(self.column_map)}
return (rmap[h.visualIndex(x)] for x in logical_indices if h.visualIndex(x) > -1)
def refresh_book_details(self):
idx = self.currentIndex()
if idx.isValid():
self._model.current_changed(idx, idx)
return True
return False
def scrollContentsBy(self, dx, dy):
# Needed as Qt bug causes headerview to not always update when scrolling
QTableView.scrollContentsBy(self, dx, dy)
if dy != 0:
self.column_header.update()
def scroll_to_row(self, row):
if row > -1:
h = self.horizontalHeader()
for i in range(h.count()):
if not h.isSectionHidden(i) and h.sectionViewportPosition(i) >= 0:
self.scrollTo(self.model().index(row, i), self.PositionAtCenter)
break
@property
def current_book(self):
ci = self.currentIndex()
if ci.isValid():
try:
return self.model().db.data.index_to_id(ci.row())
except (IndexError, ValueError, KeyError, TypeError, AttributeError):
pass
def current_book_state(self):
return self.current_book, self.horizontalScrollBar().value()
def restore_current_book_state(self, state):
book_id, hpos = state
try:
row = self.model().db.data.id_to_index(book_id)
except (IndexError, ValueError, KeyError, TypeError, AttributeError):
return
self.set_current_row(row)
self.scroll_to_row(row)
self.horizontalScrollBar().setValue(hpos)
def set_current_row(self, row=0, select=True, for_sync=False):
if row > -1 and row < self.model().rowCount(QModelIndex()):
h = self.horizontalHeader()
logical_indices = list(range(h.count()))
logical_indices = [x for x in logical_indices if not
h.isSectionHidden(x)]
pairs = [(x, h.visualIndex(x)) for x in logical_indices if
h.visualIndex(x) > -1]
if not pairs:
pairs = [(0, 0)]
pairs.sort(cmp=lambda x,y:cmp(x[1], y[1]))
i = pairs[0][0]
index = self.model().index(row, i)
if for_sync:
sm = self.selectionModel()
sm.setCurrentIndex(index, sm.NoUpdate)
else:
self.setCurrentIndex(index)
if select:
sm = self.selectionModel()
sm.select(index, sm.ClearAndSelect|sm.Rows)
def row_at_top(self):
pos = 0
while pos < 100:
ans = self.rowAt(pos)
if ans > -1:
return ans
pos += 5
def row_at_bottom(self):
pos = self.viewport().height()
limit = pos - 100
while pos > limit:
ans = self.rowAt(pos)
if ans > -1:
return ans
pos -= 5
def moveCursor(self, action, modifiers):
orig = self.currentIndex()
index = QTableView.moveCursor(self, action, modifiers)
if action == QTableView.MovePageDown:
moved = index.row() - orig.row()
try:
rows = self.row_at_bottom() - self.row_at_top()
except TypeError:
rows = moved
if moved > rows:
index = self.model().index(orig.row() + rows, index.column())
elif action == QTableView.MovePageUp:
moved = orig.row() - index.row()
try:
rows = self.row_at_bottom() - self.row_at_top()
except TypeError:
rows = moved
if moved > rows:
index = self.model().index(orig.row() - rows, index.column())
elif action == QTableView.MoveHome and modifiers & Qt.ControlModifier:
return self.model().index(0, orig.column())
elif action == QTableView.MoveEnd and modifiers & Qt.ControlModifier:
return self.model().index(self.model().rowCount(QModelIndex()) - 1, orig.column())
return index
def selectionCommand(self, index, event):
if event and event.type() == event.KeyPress and event.key() in (Qt.Key_Home, Qt.Key_End) and event.modifiers() & Qt.CTRL:
return QItemSelectionModel.ClearAndSelect | QItemSelectionModel.Rows
return super(BooksView, self).selectionCommand(index, event)
def ids_to_rows(self, ids):
row_map = OrderedDict()
ids = frozenset(ids)
m = self.model()
for row in xrange(m.rowCount(QModelIndex())):
if len(row_map) >= len(ids):
break
c = m.id(row)
if c in ids:
row_map[c] = row
return row_map
def select_rows(self, identifiers, using_ids=True, change_current=True,
scroll=True):
'''
Select rows identified by identifiers. identifiers can be a set of ids,
row numbers or QModelIndexes.
'''
rows = set([x.row() if hasattr(x, 'row') else x for x in
identifiers])
if using_ids:
rows = set([])
identifiers = set(identifiers)
m = self.model()
for row in xrange(m.rowCount(QModelIndex())):
if m.id(row) in identifiers:
rows.add(row)
rows = list(sorted(rows))
if rows:
row = rows[0]
if change_current:
self.set_current_row(row, select=False)
if scroll:
self.scroll_to_row(row)
sm = self.selectionModel()
sel = QItemSelection()
m = self.model()
max_col = m.columnCount(QModelIndex()) - 1
# Create a range based selector for each set of contiguous rows
# as supplying selectors for each individual row causes very poor
# performance if a large number of rows has to be selected.
for k, g in itertools.groupby(enumerate(rows), lambda (i,x):i-x):
group = list(map(operator.itemgetter(1), g))
sel.merge(QItemSelection(m.index(min(group), 0),
m.index(max(group), max_col)), sm.Select)
sm.select(sel, sm.ClearAndSelect)
def __init__(self, parent, modelcls=BooksModel, use_edit_metadata_dialog=True):
QTableView.__init__(self, parent)
self.default_row_height = self.verticalHeader().defaultSectionSize()
self.gui = parent
self.setProperty('highlight_current_item', 150)
self.row_sizing_done = False
self.alternate_views = AlternateViews(self)
if not tweaks['horizontal_scrolling_per_column']:
self.setHorizontalScrollMode(self.ScrollPerPixel)
self.setEditTriggers(self.EditKeyPressed)
if tweaks['doubleclick_on_library_view'] == 'edit_cell':
self.setEditTriggers(self.DoubleClicked|self.editTriggers())
elif tweaks['doubleclick_on_library_view'] == 'open_viewer':
self.setEditTriggers(self.SelectedClicked|self.editTriggers())
self.doubleClicked.connect(parent.iactions['View'].view_triggered)
elif tweaks['doubleclick_on_library_view'] == 'edit_metadata':
# Must not enable single-click to edit, or the field will remain
# open in edit mode underneath the edit metadata dialog
if use_edit_metadata_dialog:
self.doubleClicked.connect(
partial(parent.iactions['Edit Metadata'].edit_metadata,
checked=False))
else:
self.setEditTriggers(self.DoubleClicked|self.editTriggers())
setup_dnd_interface(self)
self.setAlternatingRowColors(True)
self.setShowGrid(False)
self.setWordWrap(False)
self.rating_delegate = RatingDelegate(self)
self.timestamp_delegate = DateDelegate(self)
self.pubdate_delegate = PubDateDelegate(self)
self.last_modified_delegate = DateDelegate(self,
tweak_name='gui_last_modified_display_format')
self.languages_delegate = LanguagesDelegate(self)
self.tags_delegate = CompleteDelegate(self, ',', 'all_tag_names')
self.authors_delegate = CompleteDelegate(self, '&', 'all_author_names', True)
self.cc_names_delegate = CompleteDelegate(self, '&', 'all_custom', True)
self.series_delegate = TextDelegate(self)
self.publisher_delegate = TextDelegate(self)
self.text_delegate = TextDelegate(self)
self.cc_text_delegate = CcTextDelegate(self)
self.cc_enum_delegate = CcEnumDelegate(self)
self.cc_bool_delegate = CcBoolDelegate(self)
self.cc_comments_delegate = CcCommentsDelegate(self)
self.cc_template_delegate = CcTemplateDelegate(self)
self.cc_number_delegate = CcNumberDelegate(self)
self.display_parent = parent
self._model = modelcls(self)
self.setModel(self._model)
self._model.count_changed_signal.connect(self.do_row_sizing,
type=Qt.QueuedConnection)
self.setSelectionBehavior(QAbstractItemView.SelectRows)
self.setSortingEnabled(True)
self.selectionModel().currentRowChanged.connect(self._model.current_changed)
self.preserve_state = partial(PreserveViewState, self)
self.marked_changed_listener = FunctionDispatcher(self.marked_changed)
# {{{ Column Header setup
self.can_add_columns = True
self.was_restored = False
self.column_header = HeaderView(Qt.Horizontal, self)
self.setHorizontalHeader(self.column_header)
self.column_header.sortIndicatorChanged.disconnect()
self.column_header.sortIndicatorChanged.connect(self.user_sort_requested)
self.column_header.setSectionsMovable(True)
self.column_header.setSectionsClickable(True)
self.column_header.sectionMoved.connect(self.save_state)
self.column_header.setContextMenuPolicy(Qt.CustomContextMenu)
self.column_header.customContextMenuRequested.connect(self.show_column_header_context_menu)
self.column_header.sectionResized.connect(self.column_resized, Qt.QueuedConnection)
self.row_header = HeaderView(Qt.Vertical, self)
self.row_header.setSectionResizeMode(self.row_header.Fixed)
self.setVerticalHeader(self.row_header)
# }}}
self._model.database_changed.connect(self.database_changed)
hv = self.verticalHeader()
hv.setSectionsClickable(True)
hv.setCursor(Qt.PointingHandCursor)
self.selected_ids = []
self._model.about_to_be_sorted.connect(self.about_to_be_sorted)
self._model.sorting_done.connect(self.sorting_done,
type=Qt.QueuedConnection)
class BooksView(QTableView): # {{{
files_dropped = pyqtSignal(object)
add_column_signal = pyqtSignal()
is_library_view = True
def viewportEvent(self, event):
if (event.type() == event.ToolTip and not gprefs['book_list_tooltips']):
return False
return QTableView.viewportEvent(self, event)
def __init__(self, parent, modelcls=BooksModel, use_edit_metadata_dialog=True):
QTableView.__init__(self, parent)
self.default_row_height = self.verticalHeader().defaultSectionSize()
self.gui = parent
self.setProperty('highlight_current_item', 150)
self.row_sizing_done = False
self.alternate_views = AlternateViews(self)
if not tweaks['horizontal_scrolling_per_column']:
self.setHorizontalScrollMode(self.ScrollPerPixel)
self.setEditTriggers(self.EditKeyPressed)
if tweaks['doubleclick_on_library_view'] == 'edit_cell':
self.setEditTriggers(self.DoubleClicked|self.editTriggers())
elif tweaks['doubleclick_on_library_view'] == 'open_viewer':
self.setEditTriggers(self.SelectedClicked|self.editTriggers())
self.doubleClicked.connect(parent.iactions['View'].view_triggered)
elif tweaks['doubleclick_on_library_view'] == 'edit_metadata':
# Must not enable single-click to edit, or the field will remain
# open in edit mode underneath the edit metadata dialog
if use_edit_metadata_dialog:
self.doubleClicked.connect(
partial(parent.iactions['Edit Metadata'].edit_metadata,
checked=False))
else:
self.setEditTriggers(self.DoubleClicked|self.editTriggers())
setup_dnd_interface(self)
self.setAlternatingRowColors(True)
self.setShowGrid(False)
self.setWordWrap(False)
self.rating_delegate = RatingDelegate(self)
self.timestamp_delegate = DateDelegate(self)
self.pubdate_delegate = PubDateDelegate(self)
self.last_modified_delegate = DateDelegate(self,
tweak_name='gui_last_modified_display_format')
self.languages_delegate = LanguagesDelegate(self)
self.tags_delegate = CompleteDelegate(self, ',', 'all_tag_names')
self.authors_delegate = CompleteDelegate(self, '&', 'all_author_names', True)
self.cc_names_delegate = CompleteDelegate(self, '&', 'all_custom', True)
self.series_delegate = TextDelegate(self)
self.publisher_delegate = TextDelegate(self)
self.text_delegate = TextDelegate(self)
self.cc_text_delegate = CcTextDelegate(self)
self.cc_enum_delegate = CcEnumDelegate(self)
self.cc_bool_delegate = CcBoolDelegate(self)
self.cc_comments_delegate = CcCommentsDelegate(self)
self.cc_template_delegate = CcTemplateDelegate(self)
self.cc_number_delegate = CcNumberDelegate(self)
self.display_parent = parent
self._model = modelcls(self)
self.setModel(self._model)
self._model.count_changed_signal.connect(self.do_row_sizing,
type=Qt.QueuedConnection)
self.setSelectionBehavior(QAbstractItemView.SelectRows)
self.setSortingEnabled(True)
self.selectionModel().currentRowChanged.connect(self._model.current_changed)
self.preserve_state = partial(PreserveViewState, self)
self.marked_changed_listener = FunctionDispatcher(self.marked_changed)
# {{{ Column Header setup
self.can_add_columns = True
self.was_restored = False
self.column_header = HeaderView(Qt.Horizontal, self)
self.setHorizontalHeader(self.column_header)
self.column_header.sortIndicatorChanged.disconnect()
self.column_header.sortIndicatorChanged.connect(self.user_sort_requested)
self.column_header.setSectionsMovable(True)
self.column_header.setSectionsClickable(True)
self.column_header.sectionMoved.connect(self.save_state)
self.column_header.setContextMenuPolicy(Qt.CustomContextMenu)
self.column_header.customContextMenuRequested.connect(self.show_column_header_context_menu)
self.column_header.sectionResized.connect(self.column_resized, Qt.QueuedConnection)
self.row_header = HeaderView(Qt.Vertical, self)
self.row_header.setSectionResizeMode(self.row_header.Fixed)
self.setVerticalHeader(self.row_header)
# }}}
self._model.database_changed.connect(self.database_changed)
hv = self.verticalHeader()
hv.setSectionsClickable(True)
hv.setCursor(Qt.PointingHandCursor)
self.selected_ids = []
self._model.about_to_be_sorted.connect(self.about_to_be_sorted)
self._model.sorting_done.connect(self.sorting_done,
type=Qt.QueuedConnection)
# Column Header Context Menu {{{
def column_header_context_handler(self, action=None, column=None):
if not action or not column:
return
try:
idx = self.column_map.index(column)
except:
return
h = self.column_header
if action == 'hide':
if h.hiddenSectionCount() >= h.count():
return error_dialog(self, _('Cannot hide all columns'), _(
'You must not hide all columns'), show=True)
h.setSectionHidden(idx, True)
elif action == 'show':
h.setSectionHidden(idx, False)
if h.sectionSize(idx) < 3:
sz = h.sectionSizeHint(idx)
h.resizeSection(idx, sz)
elif action == 'ascending':
self.sort_by_column_and_order(idx, True)
elif action == 'descending':
self.sort_by_column_and_order(idx, False)
elif action == 'defaults':
self.apply_state(self.get_default_state())
elif action == 'addcustcol':
self.add_column_signal.emit()
elif action.startswith('align_'):
alignment = action.partition('_')[-1]
self._model.change_alignment(column, alignment)
elif action == 'quickview':
from calibre.customize.ui import find_plugin
qv = find_plugin('Show Quickview')
if qv:
rows = self.selectionModel().selectedRows()
if len(rows) > 0:
current_row = rows[0].row()
current_col = self.column_map.index(column)
index = self.model().index(current_row, current_col)
qv.actual_plugin_.change_quickview_column(index)
self.save_state()
def show_column_header_context_menu(self, pos):
idx = self.column_header.logicalIndexAt(pos)
if idx > -1 and idx < len(self.column_map):
col = self.column_map[idx]
name = unicode(self.model().headerData(idx, Qt.Horizontal,
Qt.DisplayRole) or '')
self.column_header_context_menu = QMenu(self)
if col != 'ondevice':
self.column_header_context_menu.addAction(_('Hide column %s') %
name,
partial(self.column_header_context_handler, action='hide',
column=col))
m = self.column_header_context_menu.addMenu(
_('Sort on %s') % name)
a = m.addAction(_('Ascending'),
partial(self.column_header_context_handler,
action='ascending', column=col))
d = m.addAction(_('Descending'),
partial(self.column_header_context_handler,
action='descending', column=col))
if self._model.sorted_on[0] == col:
ac = a if self._model.sorted_on[1] else d
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',
)):
m = self.column_header_context_menu.addMenu(
_('Change text alignment for %s') % name)
al = self._model.alignment_map.get(col, 'left')
for x, t in (('left', _('Left')), ('right', _('Right')), ('center',
_('Center'))):
a = m.addAction(t,
partial(self.column_header_context_handler,
action='align_'+x, column=col))
if al == x:
a.setCheckable(True)
a.setChecked(True)
if not isinstance(self, DeviceBooksView):
if self._model.db.field_metadata[col]['is_category']:
act = self.column_header_context_menu.addAction(_('Quickview column %s') %
name,
partial(self.column_header_context_handler, action='quickview',
column=col))
rows = self.selectionModel().selectedRows()
if len(rows) > 1:
act.setEnabled(False)
hidden_cols = [self.column_map[i] for i in
range(self.column_header.count()) if
self.column_header.isSectionHidden(i)]
try:
hidden_cols.remove('ondevice')
except:
pass
if hidden_cols:
self.column_header_context_menu.addSeparator()
m = self.column_header_context_menu.addMenu(_('Show column'))
for col in hidden_cols:
hidx = self.column_map.index(col)
name = unicode(self.model().headerData(hidx, Qt.Horizontal,
Qt.DisplayRole) or '')
m.addAction(name,
partial(self.column_header_context_handler,
action='show', column=col))
self.column_header_context_menu.addSeparator()
self.column_header_context_menu.addAction(
_('Shrink column if it is too wide to fit'),
partial(self.resize_column_to_fit, column=self.column_map[idx]))
self.column_header_context_menu.addAction(
_('Restore default layout'),
partial(self.column_header_context_handler,
action='defaults', column=col))
if self.can_add_columns:
self.column_header_context_menu.addAction(
QIcon(I('column.png')),
_('Add your own columns'),
partial(self.column_header_context_handler,
action='addcustcol', column=col))
self.column_header_context_menu.popup(self.column_header.mapToGlobal(pos))
# }}}
# Sorting {{{
def sort_by_column_and_order(self, col, ascending):
self.column_header.blockSignals(True)
self.sortByColumn(col, Qt.AscendingOrder if ascending else Qt.DescendingOrder)
self.column_header.blockSignals(False)
def user_sort_requested(self, col, order=Qt.AscendingOrder):
if col >= len(self.column_map) or col < 0:
return QTableView.sortByColumn(self, col)
field = self.column_map[col]
self.intelligent_sort(field, order == Qt.AscendingOrder)
def intelligent_sort(self, field, ascending):
m = self.model()
pname = 'previous_sort_order_' + self.__class__.__name__
previous = gprefs.get(pname, {})
if field == m.sorted_on[0] or field not in previous:
self.sort_by_named_field(field, ascending)
previous[field] = ascending
gprefs[pname] = previous
return
previous[m.sorted_on[0]] = m.sorted_on[1]
gprefs[pname] = previous
self.sort_by_named_field(field, previous[field])
def about_to_be_sorted(self, idc):
selected_rows = [r.row() for r in self.selectionModel().selectedRows()]
self.selected_ids = [idc(r) for r in selected_rows]
def sorting_done(self, indexc):
pos = self.horizontalScrollBar().value()
self.select_rows(self.selected_ids, using_ids=True, change_current=True,
scroll=True)
self.selected_ids = []
self.horizontalScrollBar().setValue(pos)
def sort_by_named_field(self, field, order, reset=True):
if field in self.column_map:
idx = self.column_map.index(field)
self.sort_by_column_and_order(idx, order)
else:
self._model.sort_by_named_field(field, order, reset)
self.column_header.blockSignals(True)
self.column_header.setSortIndicator(-1, Qt.AscendingOrder)
self.column_header.blockSignals(False)
def multisort(self, fields, reset=True, only_if_different=False):
if len(fields) == 0:
return
sh = self.cleanup_sort_history(self._model.sort_history,
ignore_column_map=True)
if only_if_different and len(sh) >= len(fields):
ret=True
for i,t in enumerate(fields):
if t[0] != sh[i][0]:
ret = False
break
if ret:
return
for n,d in reversed(fields):
if n in self._model.db.field_metadata.keys():
sh.insert(0, (n, d))
sh = self.cleanup_sort_history(sh, ignore_column_map=True)
self._model.sort_history = [tuple(x) for x in sh]
self._model.resort(reset=reset)
col = fields[0][0]
dir = Qt.AscendingOrder if fields[0][1] else Qt.DescendingOrder
if col in self.column_map:
col = self.column_map.index(col)
self.column_header.blockSignals(True)
try:
self.column_header.setSortIndicator(col, dir)
finally:
self.column_header.blockSignals(False)
# }}}
# Ondevice column {{{
def set_ondevice_column_visibility(self):
col, h = self._model.column_map.index('ondevice'), self.column_header
h.setSectionHidden(col, not self._model.device_connected)
def set_device_connected(self, is_connected):
self._model.set_device_connected(is_connected)
self.set_ondevice_column_visibility()
# }}}
# Save/Restore State {{{
def get_state(self):
h = self.column_header
cm = self.column_map
state = {}
state['hidden_columns'] = [cm[i] for i in range(h.count())
if h.isSectionHidden(i) and cm[i] != 'ondevice']
state['last_modified_injected'] = True
state['languages_injected'] = True
state['sort_history'] = \
self.cleanup_sort_history(self.model().sort_history, ignore_column_map=self.is_library_view)
state['column_positions'] = {}
state['column_sizes'] = {}
state['column_alignment'] = self._model.alignment_map
for i in range(h.count()):
name = cm[i]
state['column_positions'][name] = h.visualIndex(i)
if name != 'ondevice':
state['column_sizes'][name] = h.sectionSize(i)
return state
def write_state(self, state):
db = getattr(self.model(), 'db', None)
name = unicode(self.objectName())
if name and db is not None:
db.new_api.set_pref(name + ' books view state', state)
def save_state(self):
# Only save if we have been initialized (set_database called)
if len(self.column_map) > 0 and self.was_restored:
state = self.get_state()
self.write_state(state)
def cleanup_sort_history(self, sort_history, ignore_column_map=False):
history = []
for col, order in sort_history:
if not isinstance(order, bool):
continue
col = {'date':'timestamp', 'sort':'title'}.get(col, col)
if ignore_column_map or col in self.column_map:
if (not history or history[-1][0] != col):
history.append([col, order])
return history
def apply_sort_history(self, saved_history, max_sort_levels=3):
if not saved_history:
return
if self.is_library_view:
for col, order in reversed(self.cleanup_sort_history(
saved_history, ignore_column_map=True)[:max_sort_levels]):
self.sort_by_named_field(col, order)
else:
for col, order in reversed(self.cleanup_sort_history(
saved_history)[:max_sort_levels]):
self.sort_by_column_and_order(self.column_map.index(col), order)
def apply_state(self, state, max_sort_levels=3):
h = self.column_header
cmap = {}
hidden = state.get('hidden_columns', [])
for i, c in enumerate(self.column_map):
cmap[c] = i
if c != 'ondevice':
h.setSectionHidden(i, c in hidden)
positions = state.get('column_positions', {})
pmap = {}
for col, pos in positions.items():
if col in cmap:
pmap[pos] = col
for pos in sorted(pmap.keys()):
col = pmap[pos]
idx = cmap[col]
current_pos = h.visualIndex(idx)
if current_pos != pos:
h.moveSection(current_pos, pos)
# Because of a bug in Qt 5 we have to ensure that the header is actually
# relaid out by changing this value, without this sometimes ghost
# columns remain visible when changing libraries
for i in xrange(h.count()):
val = h.isSectionHidden(i)
h.setSectionHidden(i, not val)
h.setSectionHidden(i, val)
sizes = state.get('column_sizes', {})
for col, size in sizes.items():
if col in cmap:
sz = sizes[col]
if sz < 3:
sz = h.sectionSizeHint(cmap[col])
h.resizeSection(cmap[col], sz)
self.apply_sort_history(state.get('sort_history', None),
max_sort_levels=max_sort_levels)
for col, alignment in state.get('column_alignment', {}).items():
self._model.change_alignment(col, alignment)
for i in range(h.count()):
if not h.isSectionHidden(i) and h.sectionSize(i) < 3:
sz = h.sectionSizeHint(i)
h.resizeSection(i, sz)
def get_default_state(self):
old_state = {
'hidden_columns': ['last_modified', 'languages'],
'sort_history':[DEFAULT_SORT],
'column_positions': {},
'column_sizes': {},
'column_alignment': {
'size':'center',
'timestamp':'center',
'pubdate':'center'},
'last_modified_injected': True,
'languages_injected': True,
}
h = self.column_header
cm = self.column_map
for i in range(h.count()):
name = cm[i]
old_state['column_positions'][name] = i
if name != 'ondevice':
old_state['column_sizes'][name] = \
min(350, max(self.sizeHintForColumn(i),
h.sectionSizeHint(i)))
if name in ('timestamp', 'last_modified'):
old_state['column_sizes'][name] += 12
return old_state
def get_old_state(self):
ans = None
name = unicode(self.objectName())
if name:
name += ' books view state'
db = getattr(self.model(), 'db', None)
if db is not None:
ans = db.prefs.get(name, None)
if ans is None:
ans = gprefs.get(name, None)
try:
del gprefs[name]
except:
pass
if ans is not None:
db.new_api.set_pref(name, ans)
else:
injected = False
if not ans.get('last_modified_injected', False):
injected = True
ans['last_modified_injected'] = True
hc = ans.get('hidden_columns', [])
if 'last_modified' not in hc:
hc.append('last_modified')
if not ans.get('languages_injected', False):
injected = True
ans['languages_injected'] = True
hc = ans.get('hidden_columns', [])
if 'languages' not in hc:
hc.append('languages')
if injected:
db.new_api.set_pref(name, ans)
return ans
def restore_state(self):
old_state = self.get_old_state()
if old_state is None:
old_state = self.get_default_state()
max_levels = 3
if tweaks['sort_columns_at_startup'] is not None:
sh = []
try:
for c,d in tweaks['sort_columns_at_startup']:
if not isinstance(d, bool):
d = True if d == 0 else False
sh.append((c, d))
except:
# Ignore invalid tweak values as users seem to often get them
# wrong
print('Ignoring invalid sort_columns_at_startup tweak, with error:')
import traceback
traceback.print_exc()
old_state['sort_history'] = sh
max_levels = max(3, len(sh))
self.column_header.blockSignals(True)
self.apply_state(old_state, max_sort_levels=max_levels)
self.column_header.blockSignals(False)
self.do_row_sizing()
self.was_restored = True
def refresh_row_sizing(self):
self.row_sizing_done = False
self.do_row_sizing()
def do_row_sizing(self):
# Resize all rows to have the correct height
if not self.row_sizing_done and self.model().rowCount(QModelIndex()) > 0:
vh = self.verticalHeader()
vh.setDefaultSectionSize(max(vh.minimumSectionSize(), self.default_row_height + gprefs['book_list_extra_row_spacing']))
self._model.set_row_height(self.rowHeight(0))
self.row_sizing_done = True
def resize_column_to_fit(self, column):
col = self.column_map.index(column)
self.column_resized(col, self.columnWidth(col), self.columnWidth(col))
def column_resized(self, col, old_size, new_size):
# arbitrary: scroll bar + header + some
max_width = self.width() - (self.verticalScrollBar().width() +
self.verticalHeader().width() + 10)
if max_width < 200:
max_width = 200
if new_size > max_width:
self.column_header.blockSignals(True)
self.setColumnWidth(col, max_width)
self.column_header.blockSignals(False)
# }}}
# Initialization/Delegate Setup {{{
def set_database(self, db):
self.alternate_views.set_database(db)
self.save_state()
self._model.set_database(db)
self.tags_delegate.set_database(db)
self.cc_names_delegate.set_database(db)
self.authors_delegate.set_database(db)
self.series_delegate.set_auto_complete_function(db.all_series)
self.publisher_delegate.set_auto_complete_function(db.all_publishers)
self.alternate_views.set_database(db, stage=1)
def marked_changed(self, old_marked, current_marked):
self.alternate_views.marked_changed(old_marked, current_marked)
if bool(old_marked) == bool(current_marked):
changed = old_marked | current_marked
i = self.model().db.data.id_to_index
def f(x):
try:
return i(x)
except ValueError:
pass
sections = tuple(x for x in map(f, changed) if x is not None)
if sections:
self.row_header.headerDataChanged(Qt.Vertical, min(sections), max(sections))
# This is needed otherwise Qt does not always update the
# viewport correctly. See https://bugs.launchpad.net/bugs/1404697
self.row_header.viewport().update()
else:
# Marked items have either appeared or all been removed
self.model().set_row_decoration(current_marked)
self.row_header.headerDataChanged(Qt.Vertical, 0, self.row_header.count()-1)
self.row_header.geometriesChanged.emit()
def database_changed(self, db):
db.data.add_marked_listener(self.marked_changed_listener)
for i in range(self.model().columnCount(None)):
if self.itemDelegateForColumn(i) in (self.rating_delegate,
self.timestamp_delegate, self.pubdate_delegate,
self.last_modified_delegate, self.languages_delegate):
self.setItemDelegateForColumn(i, self.itemDelegate())
cm = self.column_map
for colhead in cm:
if self._model.is_custom_column(colhead):
cc = self._model.custom_columns[colhead]
if cc['datatype'] == 'datetime':
delegate = CcDateDelegate(self)
delegate.set_format(cc['display'].get('date_format',''))
self.setItemDelegateForColumn(cm.index(colhead), delegate)
elif cc['datatype'] == 'comments':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_comments_delegate)
elif cc['datatype'] == 'text':
if cc['is_multiple']:
if cc['display'].get('is_names', False):
self.setItemDelegateForColumn(cm.index(colhead),
self.cc_names_delegate)
else:
self.setItemDelegateForColumn(cm.index(colhead),
self.tags_delegate)
else:
self.setItemDelegateForColumn(cm.index(colhead), self.cc_text_delegate)
elif cc['datatype'] == 'series':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_text_delegate)
elif cc['datatype'] in ('int', 'float'):
self.setItemDelegateForColumn(cm.index(colhead), self.cc_number_delegate)
elif cc['datatype'] == 'bool':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_bool_delegate)
elif cc['datatype'] == 'rating':
self.setItemDelegateForColumn(cm.index(colhead), self.rating_delegate)
elif cc['datatype'] == 'composite':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_template_delegate)
elif cc['datatype'] == 'enumeration':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_enum_delegate)
else:
dattr = colhead+'_delegate'
delegate = colhead if hasattr(self, dattr) else 'text'
self.setItemDelegateForColumn(cm.index(colhead), getattr(self,
delegate+'_delegate'))
self.restore_state()
self.set_ondevice_column_visibility()
# incase there were marked books
self.model().set_row_decoration(set())
self.row_header.headerDataChanged(Qt.Vertical, 0, self.row_header.count()-1)
self.row_header.geometriesChanged.emit()
# }}}
# Context Menu {{{
def set_context_menu(self, menu, edit_collections_action):
self.setContextMenuPolicy(Qt.DefaultContextMenu)
self.context_menu = menu
self.alternate_views.set_context_menu(menu)
self.edit_collections_action = edit_collections_action
def contextMenuEvent(self, event):
sac = self.gui.iactions['Sort By']
sort_added = tuple(ac for ac in self.context_menu.actions() if ac is sac.qaction)
if sort_added:
sac.update_menu()
self.context_menu.popup(event.globalPos())
event.accept()
# }}}
@property
def column_map(self):
return self._model.column_map
@property
def visible_columns(self):
h = self.horizontalHeader()
logical_indices = (x for x in xrange(h.count()) if not h.isSectionHidden(x))
rmap = {i:x for i, x in enumerate(self.column_map)}
return (rmap[h.visualIndex(x)] for x in logical_indices if h.visualIndex(x) > -1)
def refresh_book_details(self):
idx = self.currentIndex()
if idx.isValid():
self._model.current_changed(idx, idx)
return True
return False
def scrollContentsBy(self, dx, dy):
# Needed as Qt bug causes headerview to not always update when scrolling
QTableView.scrollContentsBy(self, dx, dy)
if dy != 0:
self.column_header.update()
def scroll_to_row(self, row):
if row > -1:
h = self.horizontalHeader()
for i in range(h.count()):
if not h.isSectionHidden(i) and h.sectionViewportPosition(i) >= 0:
self.scrollTo(self.model().index(row, i), self.PositionAtCenter)
break
@property
def current_book(self):
ci = self.currentIndex()
if ci.isValid():
try:
return self.model().db.data.index_to_id(ci.row())
except (IndexError, ValueError, KeyError, TypeError, AttributeError):
pass
def current_book_state(self):
return self.current_book, self.horizontalScrollBar().value()
def restore_current_book_state(self, state):
book_id, hpos = state
try:
row = self.model().db.data.id_to_index(book_id)
except (IndexError, ValueError, KeyError, TypeError, AttributeError):
return
self.set_current_row(row)
self.scroll_to_row(row)
self.horizontalScrollBar().setValue(hpos)
def set_current_row(self, row=0, select=True, for_sync=False):
if row > -1 and row < self.model().rowCount(QModelIndex()):
h = self.horizontalHeader()
logical_indices = list(range(h.count()))
logical_indices = [x for x in logical_indices if not
h.isSectionHidden(x)]
pairs = [(x, h.visualIndex(x)) for x in logical_indices if
h.visualIndex(x) > -1]
if not pairs:
pairs = [(0, 0)]
pairs.sort(cmp=lambda x,y:cmp(x[1], y[1]))
i = pairs[0][0]
index = self.model().index(row, i)
if for_sync:
sm = self.selectionModel()
sm.setCurrentIndex(index, sm.NoUpdate)
else:
self.setCurrentIndex(index)
if select:
sm = self.selectionModel()
sm.select(index, sm.ClearAndSelect|sm.Rows)
def row_at_top(self):
pos = 0
while pos < 100:
ans = self.rowAt(pos)
if ans > -1:
return ans
pos += 5
def row_at_bottom(self):
pos = self.viewport().height()
limit = pos - 100
while pos > limit:
ans = self.rowAt(pos)
if ans > -1:
return ans
pos -= 5
def moveCursor(self, action, modifiers):
orig = self.currentIndex()
index = QTableView.moveCursor(self, action, modifiers)
if action == QTableView.MovePageDown:
moved = index.row() - orig.row()
try:
rows = self.row_at_bottom() - self.row_at_top()
except TypeError:
rows = moved
if moved > rows:
index = self.model().index(orig.row() + rows, index.column())
elif action == QTableView.MovePageUp:
moved = orig.row() - index.row()
try:
rows = self.row_at_bottom() - self.row_at_top()
except TypeError:
rows = moved
if moved > rows:
index = self.model().index(orig.row() - rows, index.column())
elif action == QTableView.MoveHome and modifiers & Qt.ControlModifier:
return self.model().index(0, orig.column())
elif action == QTableView.MoveEnd and modifiers & Qt.ControlModifier:
return self.model().index(self.model().rowCount(QModelIndex()) - 1, orig.column())
return index
def selectionCommand(self, index, event):
if event and event.type() == event.KeyPress and event.key() in (Qt.Key_Home, Qt.Key_End) and event.modifiers() & Qt.CTRL:
return QItemSelectionModel.ClearAndSelect | QItemSelectionModel.Rows
return super(BooksView, self).selectionCommand(index, event)
def ids_to_rows(self, ids):
row_map = OrderedDict()
ids = frozenset(ids)
m = self.model()
for row in xrange(m.rowCount(QModelIndex())):
if len(row_map) >= len(ids):
break
c = m.id(row)
if c in ids:
row_map[c] = row
return row_map
def select_rows(self, identifiers, using_ids=True, change_current=True,
scroll=True):
'''
Select rows identified by identifiers. identifiers can be a set of ids,
row numbers or QModelIndexes.
'''
rows = set([x.row() if hasattr(x, 'row') else x for x in
identifiers])
if using_ids:
rows = set([])
identifiers = set(identifiers)
m = self.model()
for row in xrange(m.rowCount(QModelIndex())):
if m.id(row) in identifiers:
rows.add(row)
rows = list(sorted(rows))
if rows:
row = rows[0]
if change_current:
self.set_current_row(row, select=False)
if scroll:
self.scroll_to_row(row)
sm = self.selectionModel()
sel = QItemSelection()
m = self.model()
max_col = m.columnCount(QModelIndex()) - 1
# Create a range based selector for each set of contiguous rows
# as supplying selectors for each individual row causes very poor
# performance if a large number of rows has to be selected.
for k, g in itertools.groupby(enumerate(rows), lambda (i,x):i-x):
group = list(map(operator.itemgetter(1), g))
sel.merge(QItemSelection(m.index(min(group), 0),
m.index(max(group), max_col)), sm.Select)
sm.select(sel, sm.ClearAndSelect)
class BooksView(QTableView): # {{{
files_dropped = pyqtSignal(object)
add_column_signal = pyqtSignal()
def viewportEvent(self, event):
if (event.type() == event.ToolTip
and not gprefs['book_list_tooltips']):
return False
return QTableView.viewportEvent(self, event)
def __init__(self,
parent,
modelcls=BooksModel,
use_edit_metadata_dialog=True):
QTableView.__init__(self, parent)
self.setProperty('highlight_current_item', 150)
self.row_sizing_done = False
if not tweaks['horizontal_scrolling_per_column']:
self.setHorizontalScrollMode(self.ScrollPerPixel)
self.setEditTriggers(self.EditKeyPressed)
if tweaks['doubleclick_on_library_view'] == 'edit_cell':
self.setEditTriggers(self.DoubleClicked | self.editTriggers())
elif tweaks['doubleclick_on_library_view'] == 'open_viewer':
self.setEditTriggers(self.SelectedClicked | self.editTriggers())
self.doubleClicked.connect(parent.iactions['View'].view_triggered)
elif tweaks['doubleclick_on_library_view'] == 'edit_metadata':
# Must not enable single-click to edit, or the field will remain
# open in edit mode underneath the edit metadata dialog
if use_edit_metadata_dialog:
self.doubleClicked.connect(
partial(parent.iactions['Edit Metadata'].edit_metadata,
checked=False))
else:
self.setEditTriggers(self.DoubleClicked | self.editTriggers())
self.drag_allowed = True
self.setDragEnabled(True)
self.setDragDropOverwriteMode(False)
self.setDragDropMode(self.DragDrop)
self.drag_start_pos = None
self.setAlternatingRowColors(True)
self.setSelectionBehavior(self.SelectRows)
self.setShowGrid(False)
self.setWordWrap(False)
self.rating_delegate = RatingDelegate(self)
self.timestamp_delegate = DateDelegate(self)
self.pubdate_delegate = PubDateDelegate(self)
self.last_modified_delegate = DateDelegate(
self, tweak_name='gui_last_modified_display_format')
self.languages_delegate = LanguagesDelegate(self)
self.tags_delegate = CompleteDelegate(self, ',', 'all_tag_names')
self.authors_delegate = CompleteDelegate(self, '&', 'all_author_names',
True)
self.cc_names_delegate = CompleteDelegate(self, '&', 'all_custom',
True)
self.series_delegate = TextDelegate(self)
self.publisher_delegate = TextDelegate(self)
self.text_delegate = TextDelegate(self)
self.cc_text_delegate = CcTextDelegate(self)
self.cc_enum_delegate = CcEnumDelegate(self)
self.cc_bool_delegate = CcBoolDelegate(self)
self.cc_comments_delegate = CcCommentsDelegate(self)
self.cc_template_delegate = CcTemplateDelegate(self)
self.cc_number_delegate = CcNumberDelegate(self)
self.display_parent = parent
self._model = modelcls(self)
self.setModel(self._model)
self._model.count_changed_signal.connect(self.do_row_sizing,
type=Qt.QueuedConnection)
self.setSelectionBehavior(QAbstractItemView.SelectRows)
self.setSortingEnabled(True)
self.selectionModel().currentRowChanged.connect(
self._model.current_changed)
self.preserve_state = partial(PreserveViewState, self)
# {{{ Column Header setup
self.can_add_columns = True
self.was_restored = False
self.column_header = HeaderView(Qt.Horizontal, self)
self.setHorizontalHeader(self.column_header)
self.column_header.setMovable(True)
self.column_header.setClickable(True)
self.column_header.sectionMoved.connect(self.save_state)
self.column_header.setContextMenuPolicy(Qt.CustomContextMenu)
self.column_header.customContextMenuRequested.connect(
self.show_column_header_context_menu)
self.column_header.sectionResized.connect(self.column_resized,
Qt.QueuedConnection)
self.row_header = HeaderView(Qt.Vertical, self)
self.setVerticalHeader(self.row_header)
# }}}
self._model.database_changed.connect(self.database_changed)
hv = self.verticalHeader()
hv.setClickable(True)
hv.setCursor(Qt.PointingHandCursor)
self.selected_ids = []
self._model.about_to_be_sorted.connect(self.about_to_be_sorted)
self._model.sorting_done.connect(self.sorting_done,
type=Qt.QueuedConnection)
# Column Header Context Menu {{{
def column_header_context_handler(self, action=None, column=None):
if not action or not column:
return
try:
idx = self.column_map.index(column)
except:
return
h = self.column_header
if action == 'hide':
h.setSectionHidden(idx, True)
elif action == 'show':
h.setSectionHidden(idx, False)
if h.sectionSize(idx) < 3:
sz = h.sectionSizeHint(idx)
h.resizeSection(idx, sz)
elif action == 'ascending':
self.sortByColumn(idx, Qt.AscendingOrder)
elif action == 'descending':
self.sortByColumn(idx, Qt.DescendingOrder)
elif action == 'defaults':
self.apply_state(self.get_default_state())
elif action == 'addcustcol':
self.add_column_signal.emit()
elif action.startswith('align_'):
alignment = action.partition('_')[-1]
self._model.change_alignment(column, alignment)
elif action == 'quickview':
from calibre.customize.ui import find_plugin
qv = find_plugin('Show Quickview')
if qv:
rows = self.selectionModel().selectedRows()
if len(rows) > 0:
current_row = rows[0].row()
current_col = self.column_map.index(column)
index = self.model().index(current_row, current_col)
qv.actual_plugin_.change_quickview_column(index)
self.save_state()
def show_column_header_context_menu(self, pos):
idx = self.column_header.logicalIndexAt(pos)
if idx > -1 and idx < len(self.column_map):
col = self.column_map[idx]
name = unicode(self.model().headerData(idx, Qt.Horizontal,
Qt.DisplayRole).toString())
self.column_header_context_menu = QMenu(self)
if col != 'ondevice':
self.column_header_context_menu.addAction(
_('Hide column %s') % name,
partial(self.column_header_context_handler,
action='hide',
column=col))
m = self.column_header_context_menu.addMenu(_('Sort on %s') % name)
a = m.addAction(
_('Ascending'),
partial(self.column_header_context_handler,
action='ascending',
column=col))
d = m.addAction(
_('Descending'),
partial(self.column_header_context_handler,
action='descending',
column=col))
if self._model.sorted_on[0] == col:
ac = a if self._model.sorted_on[1] else d
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',
)):
m = self.column_header_context_menu.addMenu(
_('Change text alignment for %s') % name)
al = self._model.alignment_map.get(col, 'left')
for x, t in (('left', _('Left')), ('right', _('Right')),
('center', _('Center'))):
a = m.addAction(
t,
partial(self.column_header_context_handler,
action='align_' + x,
column=col))
if al == x:
a.setCheckable(True)
a.setChecked(True)
if not isinstance(self, DeviceBooksView):
if self._model.db.field_metadata[col]['is_category']:
act = self.column_header_context_menu.addAction(
_('Quickview column %s') % name,
partial(self.column_header_context_handler,
action='quickview',
column=col))
rows = self.selectionModel().selectedRows()
if len(rows) > 1:
act.setEnabled(False)
hidden_cols = [
self.column_map[i] for i in range(self.column_header.count())
if self.column_header.isSectionHidden(i)
]
try:
hidden_cols.remove('ondevice')
except:
pass
if hidden_cols:
self.column_header_context_menu.addSeparator()
m = self.column_header_context_menu.addMenu(_('Show column'))
for col in hidden_cols:
hidx = self.column_map.index(col)
name = unicode(self.model().headerData(
hidx, Qt.Horizontal, Qt.DisplayRole).toString())
m.addAction(
name,
partial(self.column_header_context_handler,
action='show',
column=col))
self.column_header_context_menu.addSeparator()
self.column_header_context_menu.addAction(
_('Shrink column if it is too wide to fit'),
partial(self.resize_column_to_fit,
column=self.column_map[idx]))
self.column_header_context_menu.addAction(
_('Restore default layout'),
partial(self.column_header_context_handler,
action='defaults',
column=col))
if self.can_add_columns:
self.column_header_context_menu.addAction(
QIcon(I('column.png')), _('Add your own columns'),
partial(self.column_header_context_handler,
action='addcustcol',
column=col))
self.column_header_context_menu.popup(
self.column_header.mapToGlobal(pos))
# }}}
# Sorting {{{
def about_to_be_sorted(self, idc):
selected_rows = [r.row() for r in self.selectionModel().selectedRows()]
self.selected_ids = [idc(r) for r in selected_rows]
def sorting_done(self, indexc):
pos = self.horizontalScrollBar().value()
self.select_rows(self.selected_ids,
using_ids=True,
change_current=True,
scroll=True)
self.selected_ids = []
self.horizontalScrollBar().setValue(pos)
def sort_by_named_field(self, field, order, reset=True):
if field in self.column_map:
idx = self.column_map.index(field)
if order:
self.sortByColumn(idx, Qt.AscendingOrder)
else:
self.sortByColumn(idx, Qt.DescendingOrder)
else:
self._model.sort_by_named_field(field, order, reset)
def multisort(self, fields, reset=True, only_if_different=False):
if len(fields) == 0:
return
sh = self.cleanup_sort_history(self._model.sort_history,
ignore_column_map=True)
if only_if_different and len(sh) >= len(fields):
ret = True
for i, t in enumerate(fields):
if t[0] != sh[i][0]:
ret = False
break
if ret:
return
for n, d in reversed(fields):
if n in self._model.db.field_metadata.keys():
sh.insert(0, (n, d))
sh = self.cleanup_sort_history(sh, ignore_column_map=True)
self._model.sort_history = [tuple(x) for x in sh]
self._model.resort(reset=reset)
col = fields[0][0]
dir = Qt.AscendingOrder if fields[0][1] else Qt.DescendingOrder
if col in self.column_map:
col = self.column_map.index(col)
hdrs = self.horizontalHeader()
try:
hdrs.setSortIndicator(col, dir)
except:
pass
# }}}
# Ondevice column {{{
def set_ondevice_column_visibility(self):
m = self._model
self.column_header.setSectionHidden(m.column_map.index('ondevice'),
not m.device_connected)
def set_device_connected(self, is_connected):
self._model.set_device_connected(is_connected)
self.set_ondevice_column_visibility()
# }}}
# Save/Restore State {{{
def get_state(self):
h = self.column_header
cm = self.column_map
state = {}
state['hidden_columns'] = [
cm[i] for i in range(h.count())
if h.isSectionHidden(i) and cm[i] != 'ondevice'
]
state['last_modified_injected'] = True
state['languages_injected'] = True
state['sort_history'] = \
self.cleanup_sort_history(self.model().sort_history)
state['column_positions'] = {}
state['column_sizes'] = {}
state['column_alignment'] = self._model.alignment_map
for i in range(h.count()):
name = cm[i]
state['column_positions'][name] = h.visualIndex(i)
if name != 'ondevice':
state['column_sizes'][name] = h.sectionSize(i)
return state
def write_state(self, state):
db = getattr(self.model(), 'db', None)
name = unicode(self.objectName())
if name and db is not None:
db.prefs.set(name + ' books view state', state)
def save_state(self):
# Only save if we have been initialized (set_database called)
if len(self.column_map) > 0 and self.was_restored:
state = self.get_state()
self.write_state(state)
def cleanup_sort_history(self, sort_history, ignore_column_map=False):
history = []
for col, order in sort_history:
if not isinstance(order, bool):
continue
if col == 'date':
col = 'timestamp'
if ignore_column_map or col in self.column_map:
if (not history or history[-1][0] != col):
history.append([col, order])
return history
def apply_sort_history(self, saved_history, max_sort_levels=3):
if not saved_history:
return
for col, order in reversed(
self.cleanup_sort_history(saved_history)[:max_sort_levels]):
self.sortByColumn(
self.column_map.index(col),
Qt.AscendingOrder if order else Qt.DescendingOrder)
def apply_state(self, state, max_sort_levels=3):
h = self.column_header
cmap = {}
hidden = state.get('hidden_columns', [])
for i, c in enumerate(self.column_map):
cmap[c] = i
if c != 'ondevice':
h.setSectionHidden(i, c in hidden)
positions = state.get('column_positions', {})
pmap = {}
for col, pos in positions.items():
if col in cmap:
pmap[pos] = col
for pos in sorted(pmap.keys()):
col = pmap[pos]
idx = cmap[col]
current_pos = h.visualIndex(idx)
if current_pos != pos:
h.moveSection(current_pos, pos)
sizes = state.get('column_sizes', {})
for col, size in sizes.items():
if col in cmap:
sz = sizes[col]
if sz < 3:
sz = h.sectionSizeHint(cmap[col])
h.resizeSection(cmap[col], sz)
self.apply_sort_history(state.get('sort_history', None),
max_sort_levels=max_sort_levels)
for col, alignment in state.get('column_alignment', {}).items():
self._model.change_alignment(col, alignment)
for i in range(h.count()):
if not h.isSectionHidden(i) and h.sectionSize(i) < 3:
sz = h.sectionSizeHint(i)
h.resizeSection(i, sz)
def get_default_state(self):
old_state = {
'hidden_columns': ['last_modified', 'languages'],
'sort_history': [DEFAULT_SORT],
'column_positions': {},
'column_sizes': {},
'column_alignment': {
'size': 'center',
'timestamp': 'center',
'pubdate': 'center'
},
'last_modified_injected': True,
'languages_injected': True,
}
h = self.column_header
cm = self.column_map
for i in range(h.count()):
name = cm[i]
old_state['column_positions'][name] = i
if name != 'ondevice':
old_state['column_sizes'][name] = \
min(350, max(self.sizeHintForColumn(i),
h.sectionSizeHint(i)))
if name in ('timestamp', 'last_modified'):
old_state['column_sizes'][name] += 12
return old_state
def get_old_state(self):
ans = None
name = unicode(self.objectName())
if name:
name += ' books view state'
db = getattr(self.model(), 'db', None)
if db is not None:
ans = db.prefs.get(name, None)
if ans is None:
ans = gprefs.get(name, None)
try:
del gprefs[name]
except:
pass
if ans is not None:
db.prefs[name] = ans
else:
injected = False
if not ans.get('last_modified_injected', False):
injected = True
ans['last_modified_injected'] = True
hc = ans.get('hidden_columns', [])
if 'last_modified' not in hc:
hc.append('last_modified')
if not ans.get('languages_injected', False):
injected = True
ans['languages_injected'] = True
hc = ans.get('hidden_columns', [])
if 'languages' not in hc:
hc.append('languages')
if injected:
db.prefs[name] = ans
return ans
def restore_state(self):
old_state = self.get_old_state()
if old_state is None:
old_state = self.get_default_state()
max_levels = 3
if tweaks['sort_columns_at_startup'] is not None:
sh = []
try:
for c, d in tweaks['sort_columns_at_startup']:
if not isinstance(d, bool):
d = True if d == 0 else False
sh.append((c, d))
except:
# Ignore invalid tweak values as users seem to often get them
# wrong
print(
'Ignoring invalid sort_columns_at_startup tweak, with error:'
)
import traceback
traceback.print_exc()
old_state['sort_history'] = sh
max_levels = max(3, len(sh))
self.column_header.blockSignals(True)
self.apply_state(old_state, max_sort_levels=max_levels)
self.column_header.blockSignals(False)
self.do_row_sizing()
self.was_restored = True
def refresh_row_sizing(self):
self.row_sizing_done = False
self.do_row_sizing()
def do_row_sizing(self):
# Resize all rows to have the correct height
if not self.row_sizing_done and self.model().rowCount(
QModelIndex()) > 0:
self.resizeRowToContents(0)
self.verticalHeader().setDefaultSectionSize(
self.rowHeight(0) + gprefs['extra_row_spacing'])
self.row_sizing_done = True
def resize_column_to_fit(self, column):
col = self.column_map.index(column)
self.column_resized(col, self.columnWidth(col), self.columnWidth(col))
def column_resized(self, col, old_size, new_size):
# arbitrary: scroll bar + header + some
max_width = self.width() - (self.verticalScrollBar().width() +
self.verticalHeader().width() + 10)
if max_width < 200:
max_width = 200
if new_size > max_width:
self.column_header.blockSignals(True)
self.setColumnWidth(col, max_width)
self.column_header.blockSignals(False)
# }}}
# Initialization/Delegate Setup {{{
def set_database(self, db):
self.save_state()
self._model.set_database(db)
self.tags_delegate.set_database(db)
self.cc_names_delegate.set_database(db)
self.authors_delegate.set_database(db)
self.series_delegate.set_auto_complete_function(db.all_series)
self.publisher_delegate.set_auto_complete_function(db.all_publishers)
def database_changed(self, db):
for i in range(self.model().columnCount(None)):
if self.itemDelegateForColumn(i) in (self.rating_delegate,
self.timestamp_delegate,
self.pubdate_delegate,
self.last_modified_delegate,
self.languages_delegate):
self.setItemDelegateForColumn(i, self.itemDelegate())
cm = self.column_map
for colhead in cm:
if self._model.is_custom_column(colhead):
cc = self._model.custom_columns[colhead]
if cc['datatype'] == 'datetime':
delegate = CcDateDelegate(self)
delegate.set_format(cc['display'].get('date_format', ''))
self.setItemDelegateForColumn(cm.index(colhead), delegate)
elif cc['datatype'] == 'comments':
self.setItemDelegateForColumn(cm.index(colhead),
self.cc_comments_delegate)
elif cc['datatype'] == 'text':
if cc['is_multiple']:
if cc['display'].get('is_names', False):
self.setItemDelegateForColumn(
cm.index(colhead), self.cc_names_delegate)
else:
self.setItemDelegateForColumn(
cm.index(colhead), self.tags_delegate)
else:
self.setItemDelegateForColumn(cm.index(colhead),
self.cc_text_delegate)
elif cc['datatype'] == 'series':
self.setItemDelegateForColumn(cm.index(colhead),
self.cc_text_delegate)
elif cc['datatype'] in ('int', 'float'):
self.setItemDelegateForColumn(cm.index(colhead),
self.cc_number_delegate)
elif cc['datatype'] == 'bool':
self.setItemDelegateForColumn(cm.index(colhead),
self.cc_bool_delegate)
elif cc['datatype'] == 'rating':
self.setItemDelegateForColumn(cm.index(colhead),
self.rating_delegate)
elif cc['datatype'] == 'composite':
self.setItemDelegateForColumn(cm.index(colhead),
self.cc_template_delegate)
elif cc['datatype'] == 'enumeration':
self.setItemDelegateForColumn(cm.index(colhead),
self.cc_enum_delegate)
else:
dattr = colhead + '_delegate'
delegate = colhead if hasattr(self, dattr) else 'text'
self.setItemDelegateForColumn(
cm.index(colhead), getattr(self, delegate + '_delegate'))
self.restore_state()
self.set_ondevice_column_visibility()
#}}}
# Context Menu {{{
def set_context_menu(self, menu, edit_collections_action):
self.setContextMenuPolicy(Qt.DefaultContextMenu)
self.context_menu = menu
self.edit_collections_action = edit_collections_action
def contextMenuEvent(self, event):
self.context_menu.popup(event.globalPos())
event.accept()
# }}}
# Drag 'n Drop {{{
@classmethod
def paths_from_event(cls, event):
'''
Accept a drop event and return a list of paths that can be read from
and represent files with extensions.
'''
md = event.mimeData()
if md.hasFormat('text/uri-list') and not \
md.hasFormat('application/calibre+from_library'):
urls = [unicode(u.toLocalFile()) for u in md.urls()]
return [
u for u in urls if os.path.splitext(u)[1] and os.path.exists(u)
]
def drag_icon(self, cover, multiple):
cover = cover.scaledToHeight(120, Qt.SmoothTransformation)
if multiple:
base_width = cover.width()
base_height = cover.height()
base = QImage(base_width + 21, base_height + 21,
QImage.Format_ARGB32_Premultiplied)
base.fill(QColor(255, 255, 255, 0).rgba())
p = QPainter(base)
rect = QRect(20, 0, base_width, base_height)
p.fillRect(rect, QColor('white'))
p.drawRect(rect)
rect.moveLeft(10)
rect.moveTop(10)
p.fillRect(rect, QColor('white'))
p.drawRect(rect)
rect.moveLeft(0)
rect.moveTop(20)
p.fillRect(rect, QColor('white'))
p.save()
p.setCompositionMode(p.CompositionMode_SourceAtop)
p.drawImage(rect.topLeft(), cover)
p.restore()
p.drawRect(rect)
p.end()
cover = base
return QPixmap.fromImage(cover)
def drag_data(self):
m = self.model()
db = m.db
rows = self.selectionModel().selectedRows()
selected = list(map(m.id, rows))
ids = ' '.join(map(str, selected))
md = QMimeData()
md.setData('application/calibre+from_library', ids)
fmt = prefs['output_format']
def url_for_id(i):
try:
ans = db.format_path(i, fmt, index_is_id=True)
except:
ans = None
if ans is None:
fmts = db.formats(i, index_is_id=True)
if fmts:
fmts = fmts.split(',')
else:
fmts = []
for f in fmts:
try:
ans = db.format_path(i, f, index_is_id=True)
except:
ans = None
if ans is None:
ans = db.abspath(i, index_is_id=True)
return QUrl.fromLocalFile(ans)
md.setUrls([url_for_id(i) for i in selected])
drag = QDrag(self)
col = self.selectionModel().currentIndex().column()
md.column_name = self.column_map[col]
drag.setMimeData(md)
cover = self.drag_icon(m.cover(self.currentIndex().row()),
len(selected) > 1)
drag.setHotSpot(QPoint(-15, -15))
drag.setPixmap(cover)
return drag
def event_has_mods(self, event=None):
mods = event.modifiers() if event is not None else \
QApplication.keyboardModifiers()
return mods & Qt.ControlModifier or mods & Qt.ShiftModifier
def mousePressEvent(self, event):
ep = event.pos()
if self.indexAt(ep) in self.selectionModel().selectedIndexes() and \
event.button() == Qt.LeftButton and not self.event_has_mods():
self.drag_start_pos = ep
return QTableView.mousePressEvent(self, event)
def mouseMoveEvent(self, event):
if not self.drag_allowed:
return
if self.drag_start_pos is None:
return QTableView.mouseMoveEvent(self, event)
if self.event_has_mods():
self.drag_start_pos = None
return
if not (event.buttons() & Qt.LeftButton) or \
(event.pos() - self.drag_start_pos).manhattanLength() \
< QApplication.startDragDistance():
return
index = self.indexAt(event.pos())
if not index.isValid():
return
drag = self.drag_data()
drag.exec_(Qt.CopyAction)
self.drag_start_pos = None
def dragEnterEvent(self, event):
if int(event.possibleActions() & Qt.CopyAction) + \
int(event.possibleActions() & Qt.MoveAction) == 0:
return
paths = self.paths_from_event(event)
if paths:
event.acceptProposedAction()
def dragMoveEvent(self, event):
event.acceptProposedAction()
def dropEvent(self, event):
paths = self.paths_from_event(event)
event.setDropAction(Qt.CopyAction)
event.accept()
self.files_dropped.emit(paths)
# }}}
@property
def column_map(self):
return self._model.column_map
def refresh_book_details(self):
idx = self.currentIndex()
if idx.isValid():
self._model.current_changed(idx, idx)
def scrollContentsBy(self, dx, dy):
# Needed as Qt bug causes headerview to not always update when scrolling
QTableView.scrollContentsBy(self, dx, dy)
if dy != 0:
self.column_header.update()
def scroll_to_row(self, row):
if row > -1:
h = self.horizontalHeader()
for i in range(h.count()):
if not h.isSectionHidden(
i) and h.sectionViewportPosition(i) >= 0:
self.scrollTo(self.model().index(row, i),
self.PositionAtCenter)
break
def set_current_row(self, row=0, select=True):
if row > -1 and row < self.model().rowCount(QModelIndex()):
h = self.horizontalHeader()
logical_indices = list(range(h.count()))
logical_indices = [
x for x in logical_indices if not h.isSectionHidden(x)
]
pairs = [(x, h.visualIndex(x)) for x in logical_indices
if h.visualIndex(x) > -1]
if not pairs:
pairs = [(0, 0)]
pairs.sort(cmp=lambda x, y: cmp(x[1], y[1]))
i = pairs[0][0]
index = self.model().index(row, i)
self.setCurrentIndex(index)
if select:
sm = self.selectionModel()
sm.select(index, sm.ClearAndSelect | sm.Rows)
def keyPressEvent(self, ev):
val = self.horizontalScrollBar().value()
ret = super(BooksView, self).keyPressEvent(ev)
if ev.isAccepted() and ev.key() in (
Qt.Key_Home,
Qt.Key_End) and ev.modifiers() & Qt.ControlModifier:
self.horizontalScrollBar().setValue(val)
return ret
def ids_to_rows(self, ids):
row_map = OrderedDict()
ids = frozenset(ids)
m = self.model()
for row in xrange(m.rowCount(QModelIndex())):
if len(row_map) >= len(ids):
break
c = m.id(row)
if c in ids:
row_map[c] = row
return row_map
def select_rows(self,
identifiers,
using_ids=True,
change_current=True,
scroll=True):
'''
Select rows identified by identifiers. identifiers can be a set of ids,
row numbers or QModelIndexes.
'''
rows = set([x.row() if hasattr(x, 'row') else x for x in identifiers])
if using_ids:
rows = set([])
identifiers = set(identifiers)
m = self.model()
for row in xrange(m.rowCount(QModelIndex())):
if m.id(row) in identifiers:
rows.add(row)
rows = list(sorted(rows))
if rows:
row = rows[0]
if change_current:
self.set_current_row(row, select=False)
if scroll:
self.scroll_to_row(row)
sm = self.selectionModel()
sel = QItemSelection()
m = self.model()
max_col = m.columnCount(QModelIndex()) - 1
# Create a range based selector for each set of contiguous rows
# as supplying selectors for each individual row causes very poor
# performance if a large number of rows has to be selected.
for k, g in itertools.groupby(enumerate(rows), lambda (i, x): i - x):
group = list(map(operator.itemgetter(1), g))
sel.merge(
QItemSelection(m.index(min(group), 0),
m.index(max(group), max_col)), sm.Select)
sm.select(sel, sm.ClearAndSelect)
class BooksView(QTableView): # {{{
files_dropped = pyqtSignal(object)
add_column_signal = pyqtSignal()
def viewportEvent(self, event):
if (event.type() == event.ToolTip and not gprefs['book_list_tooltips']):
return False
return QTableView.viewportEvent(self, event)
def __init__(self, parent, modelcls=BooksModel, use_edit_metadata_dialog=True):
QTableView.__init__(self, parent)
if not tweaks['horizontal_scrolling_per_column']:
self.setHorizontalScrollMode(self.ScrollPerPixel)
self.setEditTriggers(self.EditKeyPressed)
if tweaks['doubleclick_on_library_view'] == 'edit_cell':
self.setEditTriggers(self.DoubleClicked|self.editTriggers())
elif tweaks['doubleclick_on_library_view'] == 'open_viewer':
self.setEditTriggers(self.SelectedClicked|self.editTriggers())
self.doubleClicked.connect(parent.iactions['View'].view_triggered)
elif tweaks['doubleclick_on_library_view'] == 'edit_metadata':
# Must not enable single-click to edit, or the field will remain
# open in edit mode underneath the edit metadata dialog
if use_edit_metadata_dialog:
self.doubleClicked.connect(
partial(parent.iactions['Edit Metadata'].edit_metadata,
checked=False))
else:
self.setEditTriggers(self.DoubleClicked|self.editTriggers())
self.drag_allowed = True
self.setDragEnabled(True)
self.setDragDropOverwriteMode(False)
self.setDragDropMode(self.DragDrop)
self.drag_start_pos = None
self.setAlternatingRowColors(True)
self.setSelectionBehavior(self.SelectRows)
self.setShowGrid(False)
self.setWordWrap(False)
self.rating_delegate = RatingDelegate(self)
self.timestamp_delegate = DateDelegate(self)
self.pubdate_delegate = PubDateDelegate(self)
self.last_modified_delegate = DateDelegate(self,
tweak_name='gui_last_modified_display_format')
self.languages_delegate = LanguagesDelegate(self)
self.tags_delegate = CompleteDelegate(self, ',', 'all_tag_names')
self.authors_delegate = CompleteDelegate(self, '&', 'all_author_names', True)
self.cc_names_delegate = CompleteDelegate(self, '&', 'all_custom', True)
self.series_delegate = TextDelegate(self)
self.publisher_delegate = TextDelegate(self)
self.text_delegate = TextDelegate(self)
self.cc_text_delegate = CcTextDelegate(self)
self.cc_enum_delegate = CcEnumDelegate(self)
self.cc_bool_delegate = CcBoolDelegate(self)
self.cc_comments_delegate = CcCommentsDelegate(self)
self.cc_template_delegate = CcTemplateDelegate(self)
self.cc_number_delegate = CcNumberDelegate(self)
self.display_parent = parent
self._model = modelcls(self)
self.setModel(self._model)
self.setSelectionBehavior(QAbstractItemView.SelectRows)
self.setSortingEnabled(True)
self.selectionModel().currentRowChanged.connect(self._model.current_changed)
self.preserve_state = partial(PreserveViewState, self)
# {{{ Column Header setup
self.can_add_columns = True
self.was_restored = False
self.column_header = self.horizontalHeader()
self.column_header.setMovable(True)
self.column_header.sectionMoved.connect(self.save_state)
self.column_header.setContextMenuPolicy(Qt.CustomContextMenu)
self.column_header.customContextMenuRequested.connect(self.show_column_header_context_menu)
self.column_header.sectionResized.connect(self.column_resized, Qt.QueuedConnection)
# }}}
self._model.database_changed.connect(self.database_changed)
hv = self.verticalHeader()
hv.setClickable(True)
hv.setCursor(Qt.PointingHandCursor)
self.selected_ids = []
self._model.about_to_be_sorted.connect(self.about_to_be_sorted)
self._model.sorting_done.connect(self.sorting_done,
type=Qt.QueuedConnection)
# Column Header Context Menu {{{
def column_header_context_handler(self, action=None, column=None):
if not action or not column:
return
try:
idx = self.column_map.index(column)
except:
return
h = self.column_header
if action == 'hide':
h.setSectionHidden(idx, True)
elif action == 'show':
h.setSectionHidden(idx, False)
if h.sectionSize(idx) < 3:
sz = h.sectionSizeHint(idx)
h.resizeSection(idx, sz)
elif action == 'ascending':
self.sortByColumn(idx, Qt.AscendingOrder)
elif action == 'descending':
self.sortByColumn(idx, Qt.DescendingOrder)
elif action == 'defaults':
self.apply_state(self.get_default_state())
elif action == 'addcustcol':
self.add_column_signal.emit()
elif action.startswith('align_'):
alignment = action.partition('_')[-1]
self._model.change_alignment(column, alignment)
self.save_state()
def show_column_header_context_menu(self, pos):
idx = self.column_header.logicalIndexAt(pos)
if idx > -1 and idx < len(self.column_map):
col = self.column_map[idx]
name = unicode(self.model().headerData(idx, Qt.Horizontal,
Qt.DisplayRole).toString())
self.column_header_context_menu = QMenu(self)
if col != 'ondevice':
self.column_header_context_menu.addAction(_('Hide column %s') %
name,
partial(self.column_header_context_handler, action='hide',
column=col))
m = self.column_header_context_menu.addMenu(
_('Sort on %s') % name)
a = m.addAction(_('Ascending'),
partial(self.column_header_context_handler,
action='ascending', column=col))
d = m.addAction(_('Descending'),
partial(self.column_header_context_handler,
action='descending', column=col))
if self._model.sorted_on[0] == col:
ac = a if self._model.sorted_on[1] else d
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',
)):
m = self.column_header_context_menu.addMenu(
_('Change text alignment for %s') % name)
al = self._model.alignment_map.get(col, 'left')
for x, t in (('left', _('Left')), ('right', _('Right')), ('center',
_('Center'))):
a = m.addAction(t,
partial(self.column_header_context_handler,
action='align_'+x, column=col))
if al == x:
a.setCheckable(True)
a.setChecked(True)
hidden_cols = [self.column_map[i] for i in
range(self.column_header.count()) if
self.column_header.isSectionHidden(i)]
try:
hidden_cols.remove('ondevice')
except:
pass
if hidden_cols:
self.column_header_context_menu.addSeparator()
m = self.column_header_context_menu.addMenu(_('Show column'))
for col in hidden_cols:
hidx = self.column_map.index(col)
name = unicode(self.model().headerData(hidx, Qt.Horizontal,
Qt.DisplayRole).toString())
m.addAction(name,
partial(self.column_header_context_handler,
action='show', column=col))
self.column_header_context_menu.addSeparator()
self.column_header_context_menu.addAction(
_('Shrink column if it is too wide to fit'),
partial(self.resize_column_to_fit, column=self.column_map[idx]))
self.column_header_context_menu.addAction(
_('Restore default layout'),
partial(self.column_header_context_handler,
action='defaults', column=col))
if self.can_add_columns:
self.column_header_context_menu.addAction(
QIcon(I('column.png')),
_('Add your own columns'),
partial(self.column_header_context_handler,
action='addcustcol', column=col))
self.column_header_context_menu.popup(self.column_header.mapToGlobal(pos))
# }}}
# Sorting {{{
def about_to_be_sorted(self, idc):
selected_rows = [r.row() for r in self.selectionModel().selectedRows()]
self.selected_ids = [idc(r) for r in selected_rows]
def sorting_done(self, indexc):
pos = self.horizontalScrollBar().value()
self.select_rows(self.selected_ids, using_ids=True, change_current=True,
scroll=True)
self.selected_ids = []
self.horizontalScrollBar().setValue(pos)
def sort_by_named_field(self, field, order, reset=True):
if field in self.column_map:
idx = self.column_map.index(field)
if order:
self.sortByColumn(idx, Qt.AscendingOrder)
else:
self.sortByColumn(idx, Qt.DescendingOrder)
else:
self._model.sort_by_named_field(field, order, reset)
def multisort(self, fields, reset=True, only_if_different=False):
if len(fields) == 0:
return
sh = self.cleanup_sort_history(self._model.sort_history,
ignore_column_map=True)
if only_if_different and len(sh) >= len(fields):
ret=True
for i,t in enumerate(fields):
if t[0] != sh[i][0]:
ret = False
break
if ret:
return
for n,d in reversed(fields):
if n in self._model.db.field_metadata.keys():
sh.insert(0, (n, d))
sh = self.cleanup_sort_history(sh, ignore_column_map=True)
self._model.sort_history = [tuple(x) for x in sh]
self._model.resort(reset=reset)
col = fields[0][0]
dir = Qt.AscendingOrder if fields[0][1] else Qt.DescendingOrder
if col in self.column_map:
col = self.column_map.index(col)
hdrs = self.horizontalHeader()
try:
hdrs.setSortIndicator(col, dir)
except:
pass
# }}}
# Ondevice column {{{
def set_ondevice_column_visibility(self):
m = self._model
self.column_header.setSectionHidden(m.column_map.index('ondevice'),
not m.device_connected)
def set_device_connected(self, is_connected):
self._model.set_device_connected(is_connected)
self.set_ondevice_column_visibility()
# }}}
# Save/Restore State {{{
def get_state(self):
h = self.column_header
cm = self.column_map
state = {}
state['hidden_columns'] = [cm[i] for i in range(h.count())
if h.isSectionHidden(i) and cm[i] != 'ondevice']
state['last_modified_injected'] = True
state['languages_injected'] = True
state['sort_history'] = \
self.cleanup_sort_history(self.model().sort_history)
state['column_positions'] = {}
state['column_sizes'] = {}
state['column_alignment'] = self._model.alignment_map
for i in range(h.count()):
name = cm[i]
state['column_positions'][name] = h.visualIndex(i)
if name != 'ondevice':
state['column_sizes'][name] = h.sectionSize(i)
return state
def write_state(self, state):
db = getattr(self.model(), 'db', None)
name = unicode(self.objectName())
if name and db is not None:
db.prefs.set(name + ' books view state', state)
def save_state(self):
# Only save if we have been initialized (set_database called)
if len(self.column_map) > 0 and self.was_restored:
state = self.get_state()
self.write_state(state)
def cleanup_sort_history(self, sort_history, ignore_column_map=False):
history = []
for col, order in sort_history:
if not isinstance(order, bool):
continue
if col == 'date':
col = 'timestamp'
if ignore_column_map or col in self.column_map:
if (not history or history[-1][0] != col):
history.append([col, order])
return history
def apply_sort_history(self, saved_history, max_sort_levels=3):
if not saved_history:
return
for col, order in reversed(self.cleanup_sort_history(
saved_history)[:max_sort_levels]):
self.sortByColumn(self.column_map.index(col),
Qt.AscendingOrder if order else Qt.DescendingOrder)
def apply_state(self, state, max_sort_levels=3):
h = self.column_header
cmap = {}
hidden = state.get('hidden_columns', [])
for i, c in enumerate(self.column_map):
cmap[c] = i
if c != 'ondevice':
h.setSectionHidden(i, c in hidden)
positions = state.get('column_positions', {})
pmap = {}
for col, pos in positions.items():
if col in cmap:
pmap[pos] = col
for pos in sorted(pmap.keys()):
col = pmap[pos]
idx = cmap[col]
current_pos = h.visualIndex(idx)
if current_pos != pos:
h.moveSection(current_pos, pos)
sizes = state.get('column_sizes', {})
for col, size in sizes.items():
if col in cmap:
sz = sizes[col]
if sz < 3:
sz = h.sectionSizeHint(cmap[col])
h.resizeSection(cmap[col], sz)
self.apply_sort_history(state.get('sort_history', None),
max_sort_levels=max_sort_levels)
for col, alignment in state.get('column_alignment', {}).items():
self._model.change_alignment(col, alignment)
for i in range(h.count()):
if not h.isSectionHidden(i) and h.sectionSize(i) < 3:
sz = h.sectionSizeHint(i)
h.resizeSection(i, sz)
def get_default_state(self):
old_state = {
'hidden_columns': ['last_modified', 'languages'],
'sort_history':[DEFAULT_SORT],
'column_positions': {},
'column_sizes': {},
'column_alignment': {
'size':'center',
'timestamp':'center',
'pubdate':'center'},
'last_modified_injected': True,
'languages_injected': True,
}
h = self.column_header
cm = self.column_map
for i in range(h.count()):
name = cm[i]
old_state['column_positions'][name] = i
if name != 'ondevice':
old_state['column_sizes'][name] = \
min(350, max(self.sizeHintForColumn(i),
h.sectionSizeHint(i)))
if name in ('timestamp', 'last_modified'):
old_state['column_sizes'][name] += 12
return old_state
def get_old_state(self):
ans = None
name = unicode(self.objectName())
if name:
name += ' books view state'
db = getattr(self.model(), 'db', None)
if db is not None:
ans = db.prefs.get(name, None)
if ans is None:
ans = gprefs.get(name, None)
try:
del gprefs[name]
except:
pass
if ans is not None:
db.prefs[name] = ans
else:
injected = False
if not ans.get('last_modified_injected', False):
injected = True
ans['last_modified_injected'] = True
hc = ans.get('hidden_columns', [])
if 'last_modified' not in hc:
hc.append('last_modified')
if not ans.get('languages_injected', False):
injected = True
ans['languages_injected'] = True
hc = ans.get('hidden_columns', [])
if 'languages' not in hc:
hc.append('languages')
if injected:
db.prefs[name] = ans
return ans
def restore_state(self):
old_state = self.get_old_state()
if old_state is None:
old_state = self.get_default_state()
max_levels = 3
if tweaks['sort_columns_at_startup'] is not None:
sh = []
try:
for c,d in tweaks['sort_columns_at_startup']:
if not isinstance(d, bool):
d = True if d == 0 else False
sh.append((c, d))
except:
# Ignore invalid tweak values as users seem to often get them
# wrong
import traceback
traceback.print_exc()
old_state['sort_history'] = sh
max_levels = max(3, len(sh))
self.column_header.blockSignals(True)
self.apply_state(old_state, max_sort_levels=max_levels)
self.column_header.blockSignals(False)
# Resize all rows to have the correct height
if self.model().rowCount(QModelIndex()) > 0:
self.resizeRowToContents(0)
self.verticalHeader().setDefaultSectionSize(self.rowHeight(0))
self.was_restored = True
def resize_column_to_fit(self, column):
col = self.column_map.index(column)
self.column_resized(col, self.columnWidth(col), self.columnWidth(col))
def column_resized(self, col, old_size, new_size):
# arbitrary: scroll bar + header + some
max_width = self.width() - (self.verticalScrollBar().width() +
self.verticalHeader().width() + 10)
if max_width < 200:
max_width = 200
if new_size > max_width:
self.column_header.blockSignals(True)
self.setColumnWidth(col, max_width)
self.column_header.blockSignals(False)
# }}}
# Initialization/Delegate Setup {{{
def set_database(self, db):
self.save_state()
self._model.set_database(db)
self.tags_delegate.set_database(db)
self.cc_names_delegate.set_database(db)
self.authors_delegate.set_database(db)
self.series_delegate.set_auto_complete_function(db.all_series)
self.publisher_delegate.set_auto_complete_function(db.all_publishers)
def database_changed(self, db):
for i in range(self.model().columnCount(None)):
if self.itemDelegateForColumn(i) in (self.rating_delegate,
self.timestamp_delegate, self.pubdate_delegate,
self.last_modified_delegate, self.languages_delegate):
self.setItemDelegateForColumn(i, self.itemDelegate())
cm = self.column_map
for colhead in cm:
if self._model.is_custom_column(colhead):
cc = self._model.custom_columns[colhead]
if cc['datatype'] == 'datetime':
delegate = CcDateDelegate(self)
delegate.set_format(cc['display'].get('date_format',''))
self.setItemDelegateForColumn(cm.index(colhead), delegate)
elif cc['datatype'] == 'comments':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_comments_delegate)
elif cc['datatype'] == 'text':
if cc['is_multiple']:
if cc['display'].get('is_names', False):
self.setItemDelegateForColumn(cm.index(colhead),
self.cc_names_delegate)
else:
self.setItemDelegateForColumn(cm.index(colhead),
self.tags_delegate)
else:
self.setItemDelegateForColumn(cm.index(colhead), self.cc_text_delegate)
elif cc['datatype'] == 'series':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_text_delegate)
elif cc['datatype'] in ('int', 'float'):
self.setItemDelegateForColumn(cm.index(colhead), self.cc_number_delegate)
elif cc['datatype'] == 'bool':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_bool_delegate)
elif cc['datatype'] == 'rating':
self.setItemDelegateForColumn(cm.index(colhead), self.rating_delegate)
elif cc['datatype'] == 'composite':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_template_delegate)
elif cc['datatype'] == 'enumeration':
self.setItemDelegateForColumn(cm.index(colhead), self.cc_enum_delegate)
else:
dattr = colhead+'_delegate'
delegate = colhead if hasattr(self, dattr) else 'text'
self.setItemDelegateForColumn(cm.index(colhead), getattr(self,
delegate+'_delegate'))
self.restore_state()
self.set_ondevice_column_visibility()
#}}}
# Context Menu {{{
def set_context_menu(self, menu, edit_collections_action):
self.setContextMenuPolicy(Qt.DefaultContextMenu)
self.context_menu = menu
self.edit_collections_action = edit_collections_action
def contextMenuEvent(self, event):
self.context_menu.popup(event.globalPos())
event.accept()
# }}}
# Drag 'n Drop {{{
@classmethod
def paths_from_event(cls, event):
'''
Accept a drop event and return a list of paths that can be read from
and represent files with extensions.
'''
md = event.mimeData()
if md.hasFormat('text/uri-list') and not \
md.hasFormat('application/calibre+from_library'):
urls = [unicode(u.toLocalFile()) for u in md.urls()]
return [u for u in urls if os.path.splitext(u)[1] and
os.path.exists(u)]
def drag_icon(self, cover, multiple):
cover = cover.scaledToHeight(120, Qt.SmoothTransformation)
if multiple:
base_width = cover.width()
base_height = cover.height()
base = QImage(base_width+21, base_height+21,
QImage.Format_ARGB32_Premultiplied)
base.fill(QColor(255, 255, 255, 0).rgba())
p = QPainter(base)
rect = QRect(20, 0, base_width, base_height)
p.fillRect(rect, QColor('white'))
p.drawRect(rect)
rect.moveLeft(10)
rect.moveTop(10)
p.fillRect(rect, QColor('white'))
p.drawRect(rect)
rect.moveLeft(0)
rect.moveTop(20)
p.fillRect(rect, QColor('white'))
p.save()
p.setCompositionMode(p.CompositionMode_SourceAtop)
p.drawImage(rect.topLeft(), cover)
p.restore()
p.drawRect(rect)
p.end()
cover = base
return QPixmap.fromImage(cover)
def drag_data(self):
m = self.model()
db = m.db
rows = self.selectionModel().selectedRows()
selected = list(map(m.id, rows))
ids = ' '.join(map(str, selected))
md = QMimeData()
md.setData('application/calibre+from_library', ids)
fmt = prefs['output_format']
def url_for_id(i):
try:
ans = db.format_path(i, fmt, index_is_id=True)
except:
ans = None
if ans is None:
fmts = db.formats(i, index_is_id=True)
if fmts:
fmts = fmts.split(',')
else:
fmts = []
for f in fmts:
try:
ans = db.format_path(i, f, index_is_id=True)
except:
ans = None
if ans is None:
ans = db.abspath(i, index_is_id=True)
return QUrl.fromLocalFile(ans)
md.setUrls([url_for_id(i) for i in selected])
drag = QDrag(self)
col = self.selectionModel().currentIndex().column()
md.column_name = self.column_map[col]
drag.setMimeData(md)
cover = self.drag_icon(m.cover(self.currentIndex().row()),
len(selected) > 1)
drag.setHotSpot(QPoint(-15, -15))
drag.setPixmap(cover)
return drag
def event_has_mods(self, event=None):
mods = event.modifiers() if event is not None else \
QApplication.keyboardModifiers()
return mods & Qt.ControlModifier or mods & Qt.ShiftModifier
def mousePressEvent(self, event):
ep = event.pos()
if self.indexAt(ep) in self.selectionModel().selectedIndexes() and \
event.button() == Qt.LeftButton and not self.event_has_mods():
self.drag_start_pos = ep
return QTableView.mousePressEvent(self, event)
def mouseMoveEvent(self, event):
if not self.drag_allowed:
return
if self.drag_start_pos is None:
return QTableView.mouseMoveEvent(self, event)
if self.event_has_mods():
self.drag_start_pos = None
return
if not (event.buttons() & Qt.LeftButton) or \
(event.pos() - self.drag_start_pos).manhattanLength() \
< QApplication.startDragDistance():
return
index = self.indexAt(event.pos())
if not index.isValid():
return
drag = self.drag_data()
drag.exec_(Qt.CopyAction)
self.drag_start_pos = None
def dragEnterEvent(self, event):
if int(event.possibleActions() & Qt.CopyAction) + \
int(event.possibleActions() & Qt.MoveAction) == 0:
return
paths = self.paths_from_event(event)
if paths:
event.acceptProposedAction()
def dragMoveEvent(self, event):
event.acceptProposedAction()
def dropEvent(self, event):
paths = self.paths_from_event(event)
event.setDropAction(Qt.CopyAction)
event.accept()
self.files_dropped.emit(paths)
# }}}
@property
def column_map(self):
return self._model.column_map
def refresh_book_details(self):
idx = self.currentIndex()
if idx.isValid():
self._model.current_changed(idx, idx)
def scrollContentsBy(self, dx, dy):
# Needed as Qt bug causes headerview to not always update when scrolling
QTableView.scrollContentsBy(self, dx, dy)
if dy != 0:
self.column_header.update()
def scroll_to_row(self, row):
if row > -1:
h = self.horizontalHeader()
for i in range(h.count()):
if not h.isSectionHidden(i) and h.sectionViewportPosition(i) >= 0:
self.scrollTo(self.model().index(row, i), self.PositionAtCenter)
break
def set_current_row(self, row, select=True):
if row > -1 and row < self.model().rowCount(QModelIndex()):
h = self.horizontalHeader()
logical_indices = list(range(h.count()))
logical_indices = [x for x in logical_indices if not
h.isSectionHidden(x)]
pairs = [(x, h.visualIndex(x)) for x in logical_indices if
h.visualIndex(x) > -1]
if not pairs:
pairs = [(0, 0)]
pairs.sort(cmp=lambda x,y:cmp(x[1], y[1]))
i = pairs[0][0]
index = self.model().index(row, i)
self.setCurrentIndex(index)
if select:
sm = self.selectionModel()
sm.select(index, sm.ClearAndSelect|sm.Rows)
def select_rows(self, identifiers, using_ids=True, change_current=True,
scroll=True):
'''
Select rows identified by identifiers. identifiers can be a set of ids,
row numbers or QModelIndexes.
'''
rows = set([x.row() if hasattr(x, 'row') else x for x in
identifiers])
if using_ids:
rows = set([])
identifiers = set(identifiers)
m = self.model()
for row in xrange(m.rowCount(QModelIndex())):
if m.id(row) in identifiers:
rows.add(row)
rows = list(sorted(rows))
if rows:
row = rows[0]
if change_current:
self.set_current_row(row, select=False)
if scroll:
self.scroll_to_row(row)
sm = self.selectionModel()
sel = QItemSelection()
m = self.model()
max_col = m.columnCount(QModelIndex()) - 1
# Create a range based selector for each set of contiguous rows
# as supplying selectors for each individual row causes very poor
# performance if a large number of rows has to be selected.
for k, g in itertools.groupby(enumerate(rows), lambda (i,x):i-x):
group = list(map(operator.itemgetter(1), g))
sel.merge(QItemSelection(m.index(min(group), 0),
m.index(max(group), max_col)), sm.Select)
sm.select(sel, sm.ClearAndSelect)
def __init__(self, parent, modelcls=BooksModel, use_edit_metadata_dialog=True):
QTableView.__init__(self, parent)
self.row_sizing_done = False
if not tweaks["horizontal_scrolling_per_column"]:
self.setHorizontalScrollMode(self.ScrollPerPixel)
self.setEditTriggers(self.EditKeyPressed)
if tweaks["doubleclick_on_library_view"] == "edit_cell":
self.setEditTriggers(self.DoubleClicked | self.editTriggers())
elif tweaks["doubleclick_on_library_view"] == "open_viewer":
self.setEditTriggers(self.SelectedClicked | self.editTriggers())
self.doubleClicked.connect(parent.iactions["View"].view_triggered)
elif tweaks["doubleclick_on_library_view"] == "edit_metadata":
# Must not enable single-click to edit, or the field will remain
# open in edit mode underneath the edit metadata dialog
if use_edit_metadata_dialog:
self.doubleClicked.connect(partial(parent.iactions["Edit Metadata"].edit_metadata, checked=False))
else:
self.setEditTriggers(self.DoubleClicked | self.editTriggers())
self.drag_allowed = True
self.setDragEnabled(True)
self.setDragDropOverwriteMode(False)
self.setDragDropMode(self.DragDrop)
self.drag_start_pos = None
self.setAlternatingRowColors(True)
self.setSelectionBehavior(self.SelectRows)
self.setShowGrid(False)
self.setWordWrap(False)
self.rating_delegate = RatingDelegate(self)
self.timestamp_delegate = DateDelegate(self)
self.pubdate_delegate = PubDateDelegate(self)
self.last_modified_delegate = DateDelegate(self, tweak_name="gui_last_modified_display_format")
self.languages_delegate = LanguagesDelegate(self)
self.tags_delegate = CompleteDelegate(self, ",", "all_tag_names")
self.authors_delegate = CompleteDelegate(self, "&", "all_author_names", True)
self.cc_names_delegate = CompleteDelegate(self, "&", "all_custom", True)
self.series_delegate = TextDelegate(self)
self.publisher_delegate = TextDelegate(self)
self.text_delegate = TextDelegate(self)
self.cc_text_delegate = CcTextDelegate(self)
self.cc_enum_delegate = CcEnumDelegate(self)
self.cc_bool_delegate = CcBoolDelegate(self)
self.cc_comments_delegate = CcCommentsDelegate(self)
self.cc_template_delegate = CcTemplateDelegate(self)
self.cc_number_delegate = CcNumberDelegate(self)
self.display_parent = parent
self._model = modelcls(self)
self.setModel(self._model)
self._model.count_changed_signal.connect(self.do_row_sizing, type=Qt.QueuedConnection)
self.setSelectionBehavior(QAbstractItemView.SelectRows)
self.setSortingEnabled(True)
self.selectionModel().currentRowChanged.connect(self._model.current_changed)
self.preserve_state = partial(PreserveViewState, self)
# {{{ Column Header setup
self.can_add_columns = True
self.was_restored = False
self.column_header = self.horizontalHeader()
self.column_header.setMovable(True)
self.column_header.sectionMoved.connect(self.save_state)
self.column_header.setContextMenuPolicy(Qt.CustomContextMenu)
self.column_header.customContextMenuRequested.connect(self.show_column_header_context_menu)
self.column_header.sectionResized.connect(self.column_resized, Qt.QueuedConnection)
# }}}
self._model.database_changed.connect(self.database_changed)
hv = self.verticalHeader()
hv.setClickable(True)
hv.setCursor(Qt.PointingHandCursor)
self.selected_ids = []
self._model.about_to_be_sorted.connect(self.about_to_be_sorted)
self._model.sorting_done.connect(self.sorting_done, type=Qt.QueuedConnection)
