public override object ConvertBack(object value, Type targetType,
object parameter, System.Globalization.CultureInfo culture)
{
ResizeElementCommand resizeElementCommand = (ResizeElementCommand)ResizeElementCommandFactory.Factory().Create(diagramController);
resizeElementCommand.ViewHelper = viewHelper;
resizeElementCommand.Width = viewHelper.Width;
double d;
if (double.TryParse((string)value, out d))
{
if (d.Equals(viewHelper.Height) || d < 0)
{
return(value);
}
resizeElementCommand.Height = d;
}
else
{
return(value);
}
resizeElementCommand.Execute();
return(value);
}
/// <summary>
/// Creates <see cref="ResizeElementCommand"/> that resizes an element on the diagram
/// </summary>
/// <param name="width">new width</param>
/// <param name="height">new height</param>
/// <param name="viewHelper">viewHelper of the moved element</param>
/// <param name="diagramController">diagram controller</param>
/// <returns>Creates <see cref="ResizeElementCommand"/> that resizes an element on the diagram</returns>
public static ResizeElementCommand CreateResizeCommand(double width, double height, PositionableElementViewHelper viewHelper, DiagramController diagramController)
{
ResizeElementCommand resizeElementCommand = (ResizeElementCommand)ResizeElementCommandFactory.Factory().Create(diagramController);
resizeElementCommand.Width = width;
resizeElementCommand.Height = height;
resizeElementCommand.ViewHelper = viewHelper;
return(resizeElementCommand);
}
/// <summary>
/// Alters size of an element on the diagram
/// </summary>
/// <param name="width">new width</param>
/// <param name="height">new height</param>
/// <param name="viewHelper">viewHelper of the moved element</param>
/// <param name="diagramController">diagram controller</param>
public static void ResizeElement(double width, double height, PositionableElementViewHelper viewHelper, DiagramController diagramController)
{
ResizeElementCommand resizeElementCommand = CreateResizeCommand(width, height, viewHelper, diagramController);
resizeElementCommand.Execute();
}
