def create_standard_item_model(columns: list = None,
editable=False,
checkable=False):
if columns is None:
columns = []
elif not isinstance(columns, list):
columns = list(columns)
model = QtGui.QStandardItemModel()
for idx, col in enumerate(columns):
item = create_standard_item(col, editable, checkable)
model.appendRow(item)
return model
def set_handler_sort_asc(self, default_model=None, overwrite=False):
if self.sortAscHandler is None or default_model is not None or overwrite:
sort_asc = QtGui.QStandardItemModel()
sort_asc.appendRow(QtGui.QStandardItem('True'))
sort_asc.appendRow(QtGui.QStandardItem('False'))
self.sortAscHandler = PushGridHandler(
left_model=sort_asc,
left_view=self.sortAscLeftView,
left_button=self.sortAscLeftButton,
left_delete=False,
right_model=default_model,
right_view=self.sortAscRightView,
right_button=self.sortAscRightButton)
def list_to_model(items):
"""
Creates a QtGui.StandardItemModel filled
with QtGui.QStandardItems from the list of
items.
:param items: (list)
of string-like items to store.
:return: (QtGui.QStandardItemModel)
With all items from the list.
"""
model = QtGui.QStandardItemModel()
for i in items:
model.appendRow(QtGui.QStandardItem(i))
return model
def __init__(self,
left_model=None,
left_view=None,
left_button=None,
left_delete=True,
right_model=None,
right_view=None,
right_button=None,
right_delete=True):
self._left_model = left_model
self.listViewLeft = left_view
self.listViewRight = right_view
self.btnPushLeft = left_button
self.btnPushRight = right_button
self._left_delete = left_delete
self._right_delete = right_delete
if right_model is None:
self._right_model = QtGui.QStandardItemModel()
elif isinstance(right_model, list):
self._right_model = create_standard_item_model(right_model)
else:
self._right_model = right_model
if isinstance(left_model, list):
self._left_model = create_standard_item_model(left_model)
elif not isinstance(self._left_model, QtGui.QStandardItemModel):
self._left_model = QtGui.QStandardItemModel()
self.listViewRight.setModel(self._right_model)
self.connect_buttons()
if self._left_model is not None:
if isinstance(self._left_model, list):
self.set_model_from_list(self._left_model)
else:
self.set_model(self._left_model)
def get_filesystem_model(self):
model = QtGui.QStandardItemModel()
directories, files = [], []
dir_row = 0
with self() as ftp:
for dirname, subdirs, files in ftp.walk():
dir_item = QtGui.QStandardItem(dirname)
directories.append(dirname)
file_row = 0
for f in files:
fp = dirname + "/" + f
file_item = QtGui.QStandardItem(fp)
dir_item.addChild(file_row, file_item)
file_row += 1
model.setItem(dir_row, dir_item)
dir_row += 1
return model
def set_table(self, table_name):
Table = self.con.meta.tables[table_name]
data = [[c.name, c.type] for c in Table.columns]
data = [[widgets.create_standard_item(str(c), editable=True) for c in x] for x in data]
model = QtGui.QStandardItemModel()
[model.appendRow(r) for r in data]
if self._sess is not None:
self._sess.close()
self._sess = self._con.Session()
self._query = self._sess.query(Table)
self._col_model = model
self.labelTableNameValue.setText(table_name)
self.labelRowCountValue.setText(str(self._query.count()))
self.labelColumnCountValue.setText(str(len(self.con.get_column_names(table_name))))
self.labelDatabaseValue.setText("{}: {}".format(self.con.engine.name, self.con.name))
self.tableView.setModel(self._col_model)
self._col_model.setHorizontalHeaderLabels(['Column Name', 'Data Type'])
def get_standard_item_model(self, model=None, replace=True) -> QtGui.QStandardItemModel:
"""
Returns a QStandardItemModel with all databases.
:param model: (QStandardItemModel)
An optional existing model to add/replace rows on.
:return: (QtGui.QStandardItemModel)
- connection_name1
- Table1
- Column1
- Column2..
- ...
- connection_name2
- ...
- ...
"""
if model is None:
model = QtGui.QStandardItemModel()
if replace is True:
# Clear the model and append all standard items.
model.clear()
[model.appendRow(self.connection(name).get_standard_item())
for name in self._connections.keys()]
else:
# Go through each item in the existing model and
# Replace it with an updated connection
for name in self._connections.keys():
item = self.connection(name).get_standard_item()
match = model.findItems(name)
if match:
model.setItem(match[0].row(), item)
else:
# No match found, append the item to the end.
model.appendRow(item)
model.setHorizontalHeaderLabels(['Connections'])
model.sort(0)
return model
def __init__(self, *args, **kwargs):
self._data_source = kwargs.pop('data_source', None)
QtGui.QDialog.__init__(self, *args, **kwargs)
self.setupUi(self)
self.map_model = QtGui.QStandardItemModel(0, 2)
self.configure()
