public void ConnectComponentValid(UIComponentBase component)
{
var type = component.GetType();
var attributes = default(IEnumerable <UIComponentDependencyAttribute>);
if (type.HasCustomAttributes <UIComponentDependencyAttribute>(false, out attributes))
{
foreach (var attribute in attributes)
{
var element = this.Configuration.GetElement <BooleanConfigurationElement>(
attribute.Section,
attribute.Element
);
if (element == null)
{
continue;
}
element.ConnectValue(value => component.IsComponentValid = this.IsComponentValid(type));
}
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (this.ContentControl.Content is FrameworkElement element)
{
UIDisposer.Dispose(element);
}
var configuration = value as UIComponentConfiguration;
if (configuration == null || string.IsNullOrEmpty(configuration.Component))
{
return(this.CreateSelector());
}
var component = default(UIComponentBase);
var control = Factory.CreateControl(configuration, out component);
if (control == null)
{
//If a plugin was uninstalled the control will be null.
return(this.CreateSelector());
}
this.Content = component;
return(control);
}
public static void SetContent(UIComponentContainer source, UIComponentBase value)
{
source.SetValue(ContentProperty, value);
}
public static void SetIsComponentEnabled(UIComponentBase source, bool value)
{
source.SetValue(IsComponentEnabledProperty, value);
}
public static bool GetIsComponentEnabled(UIComponentBase source)
{
return((bool)source.GetValue(IsComponentEnabledProperty));
}
public FrameworkElement CreateControl(UIComponentConfiguration configuration, out UIComponentBase component)
{
var type = this.GetComponentType(configuration.Component);
if (type == null || type == LayoutManager.PLACEHOLDER)
{
//A plugin was uninstalled.
component = null;
return(null);
}
component = ComponentActivator.Instance.Activate <UIComponentBase>(type);
if (component is IUIComponentPanel panel)
{
panel.Component = configuration;
}
//Some components expect to be hosted in a Grid (Artwork..)
//We might as well add a Rectangle to make the entire thing hit testable.
var grid = new Grid();
grid.Children.Add(new Rectangle()
{
Fill = Brushes.Transparent
});
grid.Children.Add(component);
return(grid);
}
