/// <summary>
/// Overloaded constructor that accepts a reference to a collection of dashboad items. Presumably, this is the collection used by the Dashboard Panel.
/// </summary>
/// <param name="dashboardItems">Collection of dashboard items to edit.</param>
public DashboardPanelProperties(DashboardPanel parent)
{
int counter = 0;
_parent = parent;
InitializeComponent();
// Populate our list of choices
foreach (Type nextHandlerType in ELM327Connection.LoadedHandlerTypes)
{
HandlerWrapper wrapper = new HandlerWrapper(nextHandlerType);
if (wrapper.HandlerCategory == HandlerCategory.REAL_TIME_STATUS)
{
_panelPropertyOptions.Add(new PanelPropertyOption(wrapper, _panelPropertyOptions.Count));
}
}
// Move items to their positions and mark the selected ones
foreach (String nextHandlerName in ((String)Properties.ApplicationSettings.Default[Variables.SETTINGS_DASHBOARD_HANDLERS]).Split(Variables.SETTINGS_SEPARATOR))
{
String actualHandlerName = String.Copy(nextHandlerName);
bool isShown = false;
if (actualHandlerName.Length > 0)
{
if (actualHandlerName[0] == '+')
{
isShown = true;
actualHandlerName = actualHandlerName.Substring(1);
}
for(int i = 0; i < _panelPropertyOptions.Count; i++)
{
PanelPropertyOption nextOption = _panelPropertyOptions[i];
if (nextOption.HandlerWrapper.HandlerType.Name.Equals(actualHandlerName))
{
_panelPropertyOptions[i].IsChecked = isShown;
_panelPropertyOptions[i].Position = counter;
_panelPropertyOptions.Move(i, counter++);
break;
}
}
}
}
// Set the columns
_columns = _parent.Columns;
OnPropertyChanged("PanelPropertyOptions");
OnPropertyChanged("Columns");
}
/// <summary>
/// Adds a handler to the list of available handlers. This is a necessary step before accepting and/or fulfilling any
/// requests/responses that are processed by this handler.
/// </summary>
/// <param name="handlerType">The Type metaclass for the Handler to be added.</param>
/// <returns>True if the Handler is successfully added; otherwise, false.</returns>
public bool AddHandler(Type handlerType)
{
HandlerWrapper newHandlerWrapper = null;
// Ensure the type provided is actually an IHandler type
if (typeof(IHandler).IsAssignableFrom(handlerType))
{
// Create a new HandlerWrapper of the provided type
try
{
newHandlerWrapper = new HandlerWrapper(handlerType);
}
catch (Exception e)
{
log.Error("An exception occurred while attempting to create a HandlerWrapper object from Type [" + handlerType.AssemblyQualifiedName + "].", e);
return false;
}
// Ensure the Handler does not already exist in the handler dictionary and add it
if(_loadedHandlers.ContainsKey(handlerType.Name) || !(_loadedHandlers.TryAdd(handlerType.Name, newHandlerWrapper)))
{
log.Error("An attempt was made to add a preexisting Handler to the Dictionary of loaded handlers.");
return false;
}
// If we made it here, we were successful
return true;
}
else
{
// Log a failed attempt
log.Error("An attempt was made to add an object as a Handler that did not implement the IHandler interface.");
}
return false;
}
public PanelPropertyOption(HandlerWrapper wrapper, int position)
{
_handlerWrapper = wrapper;
_isChecked = false;
_position = position;
}