/// <summary>
/// Refreshes the control palette with appropriate controls based on the difficulty setting. This
/// must be called each time the user changes the difficulty setting in the application.
/// </summary>
public void RefreshPalette(OptionDifficultySetting setting)
{
// Show or hide the heat stream button based on the setting
if ((new HeatStream(-1)).IsAvailableWithDifficulty(setting))
{
HeatStreamButton.Visibility = System.Windows.Visibility.Visible;
}
else
{
HeatStreamButton.Visibility = System.Windows.Visibility.Collapsed;
}
// Now we use reflection to create the process unit buttons
// First clear the content in the process unit stack panel
ProcessUnitsPanel.Children.Clear();
// We will create potentially multiple stack panels for rows of buttons
StackPanel spPUs = null;
// Keep track of how many buttons we create
int puBtns = 0;
// Use reflection to find appropriate process units and streams for the palette
Assembly a = typeof(Logic.AbstractProcessUnit).Assembly;
foreach (Type t in a.GetTypes())
{
// Ignore abstract types
if (t.IsAbstract)
{
continue;
}
// We only are interested in types that inherit from AbstractProcessUnit
if (t.IsSubclassOf(typeof(AbstractProcessUnit)) && !t.IsAbstract)
{
// We've found a potential process unit, but we need to make sure that
// it can be created under the specified difficulty setting
AbstractProcessUnit unit =
Activator.CreateInstance(t, (int)-1) as AbstractProcessUnit;
if (unit.IsAvailableWithDifficulty(setting))
{
if (0 == (puBtns % m_buttonsPerRow))
{
// Create a new row
spPUs = new StackPanel();
spPUs.Orientation = Orientation.Horizontal;
// Add the first button to it
spPUs.Children.Add(CreateButton(
ProcessUnitControl.GetIconSource(t), unit.Description, t));
ProcessUnitsPanel.Children.Add(spPUs);
}
else
{
spPUs.Children.Add(CreateButton(
ProcessUnitControl.GetIconSource(t), unit.Description, t));
}
puBtns++;
}
}
}
}
/// <summary>
/// Returns a boolean value indicating whether or not the processing unit should be available
/// with the specified difficulty setting.
/// TODO: Remove and use logic in AbstractProcessUnit.
/// </summary>
public virtual bool IsAvailableWithDifficulty(OptionDifficultySetting difficulty)
{
return(m_pu.IsAvailableWithDifficulty(difficulty));
}