// Transform all cells in the given column to a new value, using given 'transformer'
private void TransformColumnValues(int columnIndex, ValueTransformer transformer)
{
for (int rowIndex = 0; rowIndex < dataGridViewItems.Rows.Count; rowIndex++)
{
var oldValue = dataGridViewItems[columnIndex, rowIndex].Value;
var newValue = transformer.Transform(oldValue);
dataGridViewItems[columnIndex, rowIndex].Value = newValue;
}
}
// Create a 'transform' object to send along with event, so receiver(s) can transform values with it
private void buttonTransform_Click(object sender, EventArgs e)
{
// First validate the value entered
var validationResult = ValueValidator.Validate(textBoxTransformValue.Text, _property);
errorProviderTransformValue.SetError(textBoxTransformValue, validationResult);
if (!string.IsNullOrEmpty(validationResult))
{
// Not a valid value
return;
}
// Create transformer
var transformValue = textBoxTransformValue.Text;
var operation = (TransformValueOperation)comboBoxOperation.SelectedIndex;
var transformer = new ValueTransformer(InventoryItem.ItemPropertyType(_property), transformValue, operation);
// Notify listeners
OnTransformValue(this, new TransformValueEventArgs(transformer));
Close();
}
public TransformValueEventArgs(ValueTransformer transformer)
{
_transformer = transformer;
}
