public FrmCustomUpdateCreator()
{
InitializeComponent();
customUpdateElementViewer1.ElementDoubleClick += new CustomUpdateElementViewer.CustomUpdateElementViewer.ElementDoubleClickEventHandler(addElement);
ExecutableElement executableElement = new ExecutableElement();
customUpdateElementViewer1.AddElement(executableElement);
ScriptElement scriptElement = new ScriptElement();
customUpdateElementViewer1.AddElement(scriptElement);
TextFileElement textFileElement = new TextFileElement();
customUpdateElementViewer1.AddElement(textFileElement);
FileElement fileElement = new FileElement();
customUpdateElementViewer1.AddElement(fileElement);
FolderElement folderElement = new FolderElement();
customUpdateElementViewer1.AddElement(folderElement);
ServiceElement serviceElement = new ServiceElement();
customUpdateElementViewer1.AddElement(serviceElement);
RegistryKeyElement RegKeyElement = new RegistryKeyElement();
customUpdateElementViewer1.AddElement(RegKeyElement);
RegistryElement RegElement = new RegistryElement();
customUpdateElementViewer1.AddElement(RegElement);
VariableElement variableElement = new VariableElement();
customUpdateElementViewer1.AddElement(variableElement);
PowerManagementElement powerElement = new PowerManagementElement();
customUpdateElementViewer1.AddElement(powerElement);
WaitElement waitElement = new WaitElement();
customUpdateElementViewer1.AddElement(waitElement);
KillProcessElement killElement = new KillProcessElement();
customUpdateElementViewer1.AddElement(killElement);
ReturnCodeElement returnCodeElement = new ReturnCodeElement();
customUpdateElementViewer1.AddElement(returnCodeElement);
lnkLblHelp.Enabled = System.IO.File.Exists("Custom Updates.pdf");
}
/// <summary>
/// Retrieve an instance of the element registered with the highest pripority.
/// </summary>
/// <param name="instanceType">Instance type.</param>
/// <param name="args">Arguments to create the instance.</param>
/// <typeparam name="TInterface">The interface to query.</typeparam>
public virtual TInterface Retrieve <TInterface> (InstanceType instanceType = InstanceType.New, params object [] args)
{
CheckInterfaceExists(typeof(TInterface));
RegistryElement element = elements [typeof(TInterface)].OrderByDescending(e => e.Priority).First();
return(GetInstance <TInterface> (element, instanceType, args));
}
/// <summary>
/// Register the specified interfac, type and priority in runtime.
/// </summary>
/// <param name="interfac">Interfac.</param>
/// <param name="type">Type.</param>
/// <param name="priority">Priority.</param>
public void Register(Type interfac, Type type, int priority = 0)
{
if (!elements.ContainsKey(interfac))
{
elements [interfac] = new List <RegistryElement> ();
}
RegistryElement element = new RegistryElement(type, priority);
AddElement(interfac, element);
Log.Information(string.Format("Registered {0} in {1} with priority {2}", type, interfac, priority));
}
void AddElement(Type interfac, RegistryElement element)
{
int index = elements [interfac].FindIndex(elem => elem.Priority == element.Priority);
if (index != -1)
{
Log.Error("Two items registered with the same priority." +
$"Replacing {elements [interfac] [index]} with {element}");
elements [interfac] [index] = element;
}
else
{
elements [interfac].Add(element);
}
}
T GetInstance <T> (RegistryElement element, InstanceType instanceType, params object [] args)
{
T instance;
if (instanceType == InstanceType.New ||
instanceType == InstanceType.Default && element.Instance == null)
{
instance = (T)Activator.CreateInstance(element.Type, args);
if (instanceType == InstanceType.Default)
{
element.Instance = instance;
}
}
else
{
instance = (T)element.Instance;
}
return(instance);
}
/// <summary>
/// register a new element with an instance object for a given interface with a priority in runtime
/// </summary>
/// <param name="interfac">Interfac.</param>
/// <param name="instance">The instance of the registered interface.</param>
/// <param name="priority">Priority.</param>
public void Register(Type interfac, object instance, int priority = 0)
{
if (!interfac.IsAssignableFrom(instance.GetType()))
{
throw new InvalidOperationException("Registered instance does not implement the proper interface");
}
if (!elements.ContainsKey(interfac))
{
elements [interfac] = new List <RegistryElement> ();
}
RegistryElement element = new RegistryElement(instance.GetType(), priority);
element.Instance = instance;
AddElement(interfac, element);
Log.Information(string.Format("Registered instance of type {0} in {1} with priority {2}", instance.GetType(), interfac, priority));
}
