def set_value(self, row, column, value):
if self.can_set_value(row, column):
row_index = row[0]
key = list(self.data)[row_index]
self.data[key] = value
else:
raise DataViewSetError()
def set_value(self, row, column, value):
""" Set the Python value for the row and column.
This uses the row_header_data and column_data accessors to set
the value.
Parameters
----------
row : sequence of int
The indices of the row as a sequence from root to leaf.
column : sequence of int
The indices of the column as a sequence of length 0 or 1.
value : any
The new value for the given row and column.
Raises
-------
DataViewSetError
If the value cannot be set.
"""
if len(row) == 0:
raise DataViewSetError("Can't set column titles.")
if len(column) == 0:
column_data = self.row_header_data
else:
column_data = self.column_data[column[0]]
obj = self.data[row[0]]
column_data.set_value(obj, value)
self.values_changed = (row, column, row, column)
def set_editor_value(self, model, row, column, value):
""" Set the editable representation of the underlying value.
The default expects a string that can be parsed to a color value.
Parameters
----------
model : AbstractDataModel
The data model holding the data.
row : sequence of int
The row in the data model being queried.
column : sequence of int
The column in the data model being queried.
value : str
A string that can be parsed to a color value.
Returns
-------
success : bool
Whether or not the value was successfully set.
"""
try:
color = Color.from_str(value)
except Exception:
raise DataViewSetError()
return super().set_editor_value(model, row, column, color)
def set_value(self, obj, value):
""" Set the value on the provided object.
Parameters
----------
obj : any
The object that contains the data.
value : any
The data value to set.
Raises
-------
DataViewSetError
If setting the value fails.
"""
raise DataViewSetError("Cannot set {!r} column of {!r}.".format(
self.title, obj))
def set_value(self, obj, value):
""" Set the value on the provided object.
Parameters
----------
obj : any
The object that contains the data.
value : any
The data value to set.
Raises
-------
DataViewSetError
If setting the value fails.
"""
if not self.can_set_value(obj):
raise DataViewSetError("Cannot set {!r} key of {!r}.".format(
self.key, obj))
obj[self.key] = value
def set_value(self, row, column, value):
""" Return the Python value for the row and column.
Parameters
----------
row : sequence of int
The indices of the row as a sequence from root to leaf.
column : sequence of int
The indices of the column as a sequence of length 1.
Returns
-------
value : any
The value represented by the given row and column.
"""
if self.can_set_value(row, column):
index = tuple(row + column)
self.data[index] = value
self.values_changed = (row, column, row, column)
else:
raise DataViewSetError()
def set_editor_value(self, model, row, column, value):
""" Set the edited value.
Parameters
----------
model : AbstractDataModel
The data model holding the data.
row : sequence of int
The row in the data model being set.
column : sequence of int
The column in the data model being set.
value : any
The value being set.
Raises
-------
DataViewSetError
If the value cannot be set.
"""
if self.is_valid(model, row, column, value):
model.set_value(row, column, value)
else:
raise DataViewSetError("Invalid value set: {!r}".format(value))
def set_text(self, model, row, column, text):
""" Set the text of the underlying value.
Parameters
----------
model : AbstractDataModel
The data model holding the data.
row : sequence of int
The row in the data model being queried.
column : sequence of int
The column in the data model being queried.
text : str
The text to set.
Raises
-------
DataViewSetError
If the value cannot be set.
"""
try:
value = self.evaluate(self.unformat(text))
except ValueError:
raise DataViewSetError("Can't evaluate value: {!r}".format(text))
self.set_editor_value(model, row, column, value)
def set_value(self, obj, value):
if not self.can_set_value(obj):
raise DataViewSetError(
"Attribute is not specified for {!r}".format(self))
xsetattr(obj, self.attr, value)