def diff_metadata(self):
dialog = QtWidgets.QDialog(parent=self)
dialog.setWindowTitle(translate('ImageList', 'Metadata differences'))
dialog.setLayout(QtWidgets.QVBoxLayout())
table = TableWidget()
table.setSizePolicy(QtWidgets.QSizePolicy.Expanding,
QtWidgets.QSizePolicy.Expanding)
table.setColumnCount(3)
table.setHorizontalHeaderLabels([
translate('ImageList', 'new value'),
translate('ImageList', 'undo'),
translate('ImageList', 'old value')
])
labels = []
row = 0
undo = {}
new_md = self.metadata
old_md = Metadata(self.path)
for key in ('title', 'description', 'keywords', 'rating', 'copyright',
'creator', 'date_taken', 'date_digitised', 'date_modified',
'orientation', 'lens_model', 'lens_make', 'lens_serial',
'lens_spec', 'focal_length', 'focal_length_35', 'aperture',
'latlong', 'altitude', 'location_taken', 'location_shown',
'thumbnail'):
values = getattr(new_md, key), getattr(old_md, key)
if values[0] == values[1]:
continue
table.setRowCount(row + 1)
for n, value in enumerate(values):
if not value:
value = ''
elif isinstance(value, MultiString):
value = '\n'.join(value)
else:
value = six.text_type(value)
item = QtWidgets.QTableWidgetItem(value)
table.setItem(row, n * 2, item)
undo[key] = QtWidgets.QTableWidgetItem()
undo[key].setFlags(undo[key].flags() | Qt.ItemIsUserCheckable)
undo[key].setCheckState(False)
table.setItem(row, 1, undo[key])
labels.append(key)
row += 1
table.setVerticalHeaderLabels(labels)
table.resizeColumnsToContents()
table.resizeRowsToContents()
dialog.layout().addWidget(table)
button_box = QtWidgets.QDialogButtonBox(
QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Cancel)
button_box.accepted.connect(dialog.accept)
button_box.rejected.connect(dialog.reject)
dialog.layout().addWidget(button_box)
if dialog.exec_() != QtWidgets.QDialog.Accepted:
return
changed = False
dirty = False
for key, widget in undo.items():
if widget.checkState() == Qt.Checked:
setattr(new_md, key, getattr(old_md, key))
changed = True
else:
dirty = True
if not dirty:
self.reload_metadata()
elif changed:
self.image_list.emit_selection()
def diff_selected_metadata(self):
dialog = QtWidgets.QDialog(parent=self)
dialog.setLayout(QtWidgets.QVBoxLayout())
dialog.setFixedSize(min(800,
self.window().width()),
min(400,
self.window().height()))
table = QtWidgets.QTableWidget()
table.setColumnCount(3)
table.setHorizontalHeaderLabels([
translate('ImageList', 'new value'),
translate('ImageList', 'undo'),
translate('ImageList', 'old value')
])
table.horizontalHeader().setSectionResizeMode(
0, QtWidgets.QHeaderView.Stretch)
table.horizontalHeader().setSectionResizeMode(
2, QtWidgets.QHeaderView.Stretch)
dialog.layout().addWidget(table)
button_box = QtWidgets.QDialogButtonBox(
QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Cancel)
button_box.accepted.connect(dialog.accept)
button_box.rejected.connect(dialog.reject)
dialog.layout().addWidget(button_box)
changed = False
position = None
for image in self.get_selected_images():
if not image.metadata.changed():
continue
dialog.setWindowTitle(
translate('ImageList',
'Metadata differences: {}').format(image.name))
labels = []
row = 0
undo = {}
table.clearContents()
new_md = image.metadata
old_md = Metadata(image.path)
for key in ('title', 'description', 'keywords', 'rating',
'copyright', 'creator', 'date_taken', 'date_digitised',
'date_modified', 'orientation', 'camera_model',
'lens_model', 'lens_spec', 'focal_length',
'focal_length_35', 'aperture', 'latlong', 'altitude',
'location_taken', 'location_shown', 'thumbnail'):
values = getattr(new_md, key), getattr(old_md, key)
if values[0] == values[1]:
continue
values = [str(x or '') for x in values]
table.setRowCount(row + 1)
for n, value in enumerate(values):
item = QtWidgets.QTableWidgetItem(value)
table.setItem(row, n * 2, item)
undo[key] = QtWidgets.QTableWidgetItem()
undo[key].setFlags(undo[key].flags() | Qt.ItemIsUserCheckable)
undo[key].setCheckState(Qt.Unchecked)
table.setItem(row, 1, undo[key])
labels.append(key)
row += 1
if not row:
continue
table.setVerticalHeaderLabels(labels)
table.resizeColumnsToContents()
table.resizeRowsToContents()
if position:
dialog.move(position)
if dialog.exec_() != QtWidgets.QDialog.Accepted:
return
position = dialog.pos()
undo_all = True
for key, widget in undo.items():
if widget.checkState() == Qt.Checked:
setattr(new_md, key, getattr(old_md, key))
changed = True
else:
undo_all = False
if undo_all:
image.reload_metadata()
if changed:
self.emit_selection()
