private void OpenContextMenu(object sender)
{
//Generate the available ones based on the selected object
IComponentContainer target = SelectedObject as IComponentContainer;
Button button = sender as Button;
if (target != null && button != null)
{
ComponentDescriptor[] options = target.GetAvailableComponents();
IInspectableComponent[] behaviours = target.GetInspectableComponents();
ContextMenu menu = button.ContextMenu;
menu.Items.Clear();
//Get them sorted by group
var groupedOptions = options.GroupBy(item => item.Group,
(key, group) => new { Group = key, Components = group });
foreach (var group in groupedOptions)
{
MenuItem menuItem = new MenuItem();
menuItem.Header = group.Group;
menu.Items.Add(menuItem);
foreach (var component in group.Components)
{
//Ignore the ones that cant be removed
if (!component.Removable)
{
continue;
}
//Change the tooltip based on two cases
//If the component already exists on the object and its unique, disable and show "Behaviour already added"
//If the component is removable and not unique just show the description of it
bool isEnabled = true;
string tooltip = string.Empty;
//Check if the behaviour already exists
if (behaviours.Any(b => options.Any(o => b.GetType() == o.ComponentType)) && component.Unique)
{
isEnabled = false;
tooltip = "Behaviour already added";
}
else
{
tooltip = component.Description;
}
MenuItem child = new MenuItem();
child.Header = component.Title;
child.IsEnabled = isEnabled;
//Setup click handler
if (isEnabled)
{
child.Click += (s, args) => { AddComponentToCurrentTarget(target, component); };
}
menuItem.Items.Add(child);
}
}
}
}