/// <summary>
/// Returns selected vlue from the combobox casted to string.
/// </summary>
/// <param name="source">Source combobox to extract value.</param>
/// <returns>
/// Returns selected vlue from the combobox casted to string.
/// </returns>
private string GetSelectedValue(ComboBox source)
{
string value;
if (source.SelectedItem is KeyDisplayValuePair)
{
KeyDisplayValuePair item = source.SelectedItem as KeyDisplayValuePair;
value = item != null ? item.Key as string : String.Empty;
}
else
{
value = source.SelectedItem as string;
}
return(value);
}
/// <summary>
/// Sets flags check state for each fkag.
/// </summary>
private void FillFlags()
{
// Iterate through availabel flags. For each item key is the column name
// in the column data row to check for the flag value.
for (int i = 0; i < flagsList.Items.Count; i++)
{
// Get item for the flag.
KeyDisplayValuePair item = flagsList.Items[i] as KeyDisplayValuePair;
// If value of the item is true, set cheched state
if (item != null && item.Key != null &&
DataInterpreter.GetSqlBool(ColumnRow, item.Key.ToString()))
{
flagsList.SetItemCheckState(i, CheckState.Checked);
}
else
{
flagsList.SetItemCheckState(i, CheckState.Unchecked);
}
}
}
/// <summary>
/// Handles changes in the checked list box with flags.
/// </summary>
/// <param name="sender">Event sender. Must be flagsList.</param>
/// <param name="e">Information about event.</param>
private void OnFlagsListItemCheck(object sender, ItemCheckEventArgs e)
{
// Validate event data
if (e == null)
{
Debug.Fail("Empty event data!");
return;
}
// Extract item
KeyDisplayValuePair item = flagsList.Items[e.Index] as KeyDisplayValuePair;
if (item == null || String.IsNullOrEmpty(item.Key as string))
{
Debug.Fail("Empty item!");
return;
}
// Set row value
SetAttribute((string)item.Key, e.NewValue == CheckState.Checked ? DataInterpreter.True : DataInterpreter.False);
}
/// <summary>
/// Handles notification on command combobox selection changed.
/// </summary>
/// <param name="sender">Sender of the event.</param>
/// <param name="e">Detailed information about event.</param>
private void OnActionChanged(object sender, EventArgs e)
{
// If updates locked or no selected key, ignore event
if (lockUpdate || SelectedKey == null)
{
return;
}
// Get and validate sender combobox
ComboBox cont = sender as ComboBox;
if (cont == null | !(cont.Tag is string))
{
Debug.Fail("Invalid event sender!");
return;
}
// Get slected item and extract value
KeyDisplayValuePair item = cont.SelectedItem as KeyDisplayValuePair;
object value = item != null ? item.Key : null;
// Set attribute
DataInterpreter.SetValueIfChanged(SelectedKey, cont.Tag as string, value);
}
