/// <summary>
/// Shows the form as a dialog with the specified database field.
/// </summary>
/// <param name="owner">The owner window.</param>
/// <param name="field">The database field.</param>
/// <returns>The dialog result.</returns>
public DialogResult ShowDialog(IWin32Window owner, DbField field)
{
// Select the server an table.
this.control.Field = field;
// Set the dialog name.
this.Text = "{0} Field Properties".FormatWith(field.DisplayName);
// Open the dialog.
return base.ShowDialog(owner);
}
/// <summary>
/// Opens the dialog and compares a database field with the information received from a database server.
/// </summary>
/// <param name="owner">The owner window.</param>
/// <param name="field">The database field.</param>
/// <param name="name">The field name.</param>
/// <param name="type">The field type.</param>
/// <param name="length">The field length.</param>
/// <param name="precision">The field precision.</param>
/// <param name="scale">The field scale.</param>
/// <param name="nullable">The field is nullable.</param>
/// <returns>The dialog result.</returns>
public DialogResult ShowDialog(
IWin32Window owner,
DbField field,
string name,
string type,
int length,
int precision,
int scale,
bool? nullable)
{
// Set the control.
this.control.Compare(field, name, type, length, precision, scale, nullable);
// Open the dialog.
return base.ShowDialog(owner);
}
/// <summary>
/// Compares a database field with the information received from a database server.
/// </summary>
/// <param name="field">The database field.</param>
/// <param name="name">The field name.</param>
/// <param name="type">The field type.</param>
/// <param name="length">The field length.</param>
/// <param name="precision">The field precision.</param>
/// <param name="scale">The field scale.</param>
/// <param name="nullable">The field is nullable.</param>
public void Compare(
DbField field,
string name,
string type,
int length,
int precision,
int scale,
bool? nullable)
{
this.rowName.Cells[0].Value = field.DisplayName;
this.rowName.Cells[1].Value = name;
this.rowTypeLocal.Cells[0].Value = field.LocalType;
this.rowTypeDatabase.Cells[0].Value = field.DatabaseType;
this.rowTypeDatabase.Cells[1].Value = type;
this.rowLength.Cells[1].Value = length;
this.rowPrecision.Cells[1].Value = precision;
this.rowScale.Cells[1].Value = scale;
this.rowNullable.Cells[0].Value = field.IsNullable ? "Yes" : "No";
this.rowNullable.Cells[1].Value = nullable.HasValue ? nullable.Value ? "Yes" : "No" : "(unknown)";
}
// Protected methods.
/// <summary>
/// An event handler called when a new field has been set.
/// </summary>
/// <param name="oldField">The old field.</param>
/// <param name="newField">The new field.</param>
protected virtual void OnFieldSet(DbField oldField, DbField newField)
{
// If the field has not changed, do nothing.
if (oldField == newField) return;
if (null != newField)
{
this.labelTitle.Text = "No field selected";
this.tabControl.Visible = false;
}
else
{
this.labelTitle.Text = newField.DisplayName;
this.textBoxNameLocal.Text = newField.LocalName;
this.textBoxNameDatabase.Text = newField.HasName ? newField.GetDatabaseName() : string.Empty;
this.textBoxNameDisplay.Text = newField.DisplayName;
this.textBoxTypeLocal.Text = newField.LocalType;
this.textBoxTypeDatabase.Text = newField.DatabaseType;
this.textBoxDescription.Text = newField.Description;
this.checkBoxNullable.Checked = newField.IsNullable;
this.checkBoxConfigured.Checked = newField.HasName;
this.pictureBox.Image = newField.HasName ? Resources.FieldSuccess_32 : Resources.FieldWarning_32;
this.tabControl.Visible = true;
}
this.tabControl.SelectedTab = this.tabPageGeneral;
if (this.Focused)
{
this.textBoxNameLocal.Select();
this.textBoxNameLocal.SelectionStart = 0;
this.textBoxNameLocal.SelectionLength = 0;
}
}
/// <summary>
/// Returns the full database field name for the given table, local field name and default database.
/// </summary>
/// <param name="field">The field.</param>
/// <param name="tableName">The table name.</param>
/// <returns>The field name as a string.</returns>
private static string GetFieldName(DbField field, string tableName)
{
// Return the field name made of the database name, schema name, table name, and field name.
return "{0}.[{1}]".FormatWith(tableName, field.GetDatabaseName());
}
