Module saePisan.service.command.EditDataCommand

Classes

class EditDataCommand (model, row, column, old_value, new_value)

Expand source code

class EditDataCommand(QUndoCommand):
    """
    Command to edit data in a cell.
    This command is used to change the value of a specific cell in a model.
    It supports undo and redo operations to revert or reapply the changes.
    Attributes:
        model: The model containing the data to be edited.
        row: The row index of the cell to be edited.
        column: The column index of the cell to be edited.
        old_value: The original value of the cell before the edit.
        new_value: The new value to be set in the cell.
    Methods:
        undo(): Reverts the cell value to the original value.
        redo(): Applies the new value to the cell.
    """
    
    """Command untuk mengubah data dalam sel"""
    def __init__(self, model, row, column, old_value, new_value):
        super().__init__()
        self.model = model  # Model passed as argument
        self.row = row
        self.column = column
        self.old_value = old_value
        self.new_value = new_value
        self.setText(f"Edit cell at ({row}, {column})")  # Deskripsi untuk command

    def undo(self):
        """Kembalikan ke nilai sebelumnya"""
        # Update model data
        self.model._data[self.row, self.column] = self.old_value
        self.model.dataChanged.emit(self.model.createIndex(self.row, self.column), self.model.createIndex(self.row, self.column))

    def redo(self):
        """Terapkan perubahan baru"""
        # Update model data
        self.model._data[self.row, self.column] = self.new_value
        self.model.dataChanged.emit(self.model.createIndex(self.row, self.column), self.model.createIndex(self.row, self.column))

Command to edit data in a cell. This command is used to change the value of a specific cell in a model. It supports undo and redo operations to revert or reapply the changes.

Attributes

model

The model containing the data to be edited.

row

The row index of the cell to be edited.

column

The column index of the cell to be edited.

old_value

The original value of the cell before the edit.

new_value

The new value to be set in the cell.

Methods

undo(): Reverts the cell value to the original value. redo(): Applies the new value to the cell.

Ancestors

• PyQt6.QtGui.QUndoCommand
• PyQt6.sip.wrapper
• PyQt6.sip.simplewrapper

Methods

def redo(self)

Expand source code

def redo(self):
    """Terapkan perubahan baru"""
    # Update model data
    self.model._data[self.row, self.column] = self.new_value
    self.model.dataChanged.emit(self.model.createIndex(self.row, self.column), self.model.createIndex(self.row, self.column))

Terapkan perubahan baru

def undo(self)

Expand source code

def undo(self):
    """Kembalikan ke nilai sebelumnya"""
    # Update model data
    self.model._data[self.row, self.column] = self.old_value
    self.model.dataChanged.emit(self.model.createIndex(self.row, self.column), self.model.createIndex(self.row, self.column))

Kembalikan ke nilai sebelumnya