/// <summary>
/// Sets the specified array as the items of the collection.
/// </summary>
/// <param name="editValue">The collection to edit.</param>
/// <param name="value">An array of objects to set as the collection items.</param>
/// <returns>
/// The newly created collection object or, otherwise, the collection indicated by the <paramref name="editValue"/> parameter.
/// </returns>
protected override object SetItems(object editValue, object[] value)
{
object result = base.SetItems(editValue, value);
IComponentChangeService svc = _context.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
INameController controller = editValue as INameController;
if (controller != null && svc != null && (editValue is ChartAreaCollection || editValue is LegendCollection))
{
IList newList = (IList)result;
bool elementsRemoved = false;
foreach (ChartNamedElement element in controller.Snapshot)
{
if (newList.IndexOf(element) < 0)
{
elementsRemoved = true;
}
}
if (elementsRemoved)
{
svc.OnComponentChanging(this._chart, null);
ChartNamedElement defaultElement = (ChartNamedElement)(newList.Count > 0 ? newList[0] : null);
foreach (ChartNamedElement element in controller.Snapshot)
{
if (newList.IndexOf(element) < 0)
{
controller.OnNameReferenceChanged(new NameReferenceChangedEventArgs(element, defaultElement));
}
}
svc.OnComponentChanged(this._chart, null, null, null);
}
}
return(result);
}
private void Awake()
{
_nameController = new NameController();
_nameController.Initialize(new NameData(), _nameView);
_nameController.SetName("user");
_nameController.ActivateInput += OnActivateInput;
_inputNameController = new InputNameController();
_inputNameController.Initialize(new InputNameData(), _inputNameView);
_inputNameController.TextInput += OnTextInput;
}
/// <summary>
/// Edit object's value.
/// </summary>
/// <param name="context">Descriptor context.</param>
/// <param name="provider">Service provider.</param>
/// <param name="value">Value to edit.</param>
/// <returns>The new value of the object.</returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
_context = context;
if (context != null && context.Instance != null)
{
// Save current control type descriptor context
_chart = context.Instance as Chart;
}
INameController controller = value as INameController;
bool isReferenceCollection = controller != null && (value is ChartAreaCollection || value is LegendCollection);
try
{
if (isReferenceCollection)
{
controller.DoSnapshot(true,
new EventHandler <NameReferenceChangedEventArgs>(OnNameReferenceChanging),
new EventHandler <NameReferenceChangedEventArgs>(OnNameReferenceChanged)
);
controller.IsColectionEditing = true;
}
return(base.EditValue(context, provider, value));;
}
finally
{
if (isReferenceCollection)
{
controller.IsColectionEditing = false;
controller.DoSnapshot(false,
new EventHandler <NameReferenceChangedEventArgs>(OnNameReferenceChanging),
new EventHandler <NameReferenceChangedEventArgs>(OnNameReferenceChanged)
);
}
}
}