public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
_editorService = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (_editorService != null)
{
if (context.Instance != null)
{
// CR modifying to accomodate PropertyBag
Type instanceType = null;
object objinfo = null;
TypeHelper.GetAssociativeEntityContextInstanceObject(context, ref objinfo, ref instanceType);
var associativeEntity = (AssociativeEntity)objinfo;
_lstProperties.Items.Clear();
_lstProperties.Items.Add("(None)");
if (context.PropertyDescriptor.DisplayName == "Primary Object" ||
(context.PropertyDescriptor.DisplayName == "Secondary Object" &&
associativeEntity.RelationType == ObjectRelationType.ManyToMany))
{
foreach (var obj in GeneratorController.Current.CurrentUnit.CslaObjects)
{
if (RelationRulesEngine.IsAllowedEntityObject(obj))
{
_lstProperties.Items.Add(obj.ObjectName);
}
}
}
if (context.PropertyDescriptor.DisplayName == "Primary Collection Type Name" ||
(context.PropertyDescriptor.DisplayName == "Secondary Collection Type Name" &&
associativeEntity.RelationType == ObjectRelationType.ManyToMany))
{
foreach (var obj in GeneratorController.Current.CurrentUnit.CslaObjects)
{
if (RelationRulesEngine.IsAllowedEntityCollection(obj))
{
_lstProperties.Items.Add(obj.ObjectName);
}
}
}
if (context.PropertyDescriptor.DisplayName == "Primary Item Type Name" ||
(context.PropertyDescriptor.DisplayName == "Secondary Item Type Name" &&
associativeEntity.RelationType == ObjectRelationType.ManyToMany))
{
foreach (var obj in GeneratorController.Current.CurrentUnit.CslaObjects)
{
if (RelationRulesEngine.IsAllowedEntityCollectionItem(obj))
{
_lstProperties.Items.Add(obj.ObjectName);
}
}
}
_lstProperties.Sorted = true;
if (context.PropertyDescriptor.DisplayName == "Primary Object" && associativeEntity.MainObject != null)
{
if (_lstProperties.Items.Contains(associativeEntity.MainObject))
{
_lstProperties.SelectedItem = associativeEntity.MainObject;
}
}
else if (context.PropertyDescriptor.DisplayName == "Secondary Object" && associativeEntity.SecondaryObject != null)
{
if (_lstProperties.Items.Contains(associativeEntity.SecondaryObject))
{
_lstProperties.SelectedItem = associativeEntity.SecondaryObject;
}
}
else if (context.PropertyDescriptor.DisplayName == "Primary Collection Type Name" && associativeEntity.MainCollectionTypeName != null)
{
if (_lstProperties.Items.Contains(associativeEntity.MainCollectionTypeName))
{
_lstProperties.SelectedItem = associativeEntity.MainCollectionTypeName;
}
}
else if (context.PropertyDescriptor.DisplayName == "Secondary Collection Type Name" && associativeEntity.SecondaryCollectionTypeName != null)
{
if (_lstProperties.Items.Contains(associativeEntity.SecondaryCollectionTypeName))
{
_lstProperties.SelectedItem = associativeEntity.SecondaryCollectionTypeName;
}
}
else if (context.PropertyDescriptor.DisplayName == "Primary Item Type Name" && associativeEntity.MainItemTypeName != null)
{
if (_lstProperties.Items.Contains(associativeEntity.MainItemTypeName))
{
_lstProperties.SelectedItem = associativeEntity.MainItemTypeName;
}
}
else if (context.PropertyDescriptor.DisplayName == "Secondary Item Type Name" && associativeEntity.SecondaryItemTypeName != null)
{
if (_lstProperties.Items.Contains(associativeEntity.SecondaryItemTypeName))
{
_lstProperties.SelectedItem = associativeEntity.SecondaryItemTypeName;
}
}
else
{
_lstProperties.SelectedItem = "(None)";
}
_editorService.DropDownControl(_lstProperties);
if (_lstProperties.SelectedIndex < 0 || _lstProperties.SelectedItem.ToString() == "(None)")
{
return(string.Empty);
}
return(_lstProperties.SelectedItem.ToString());
}
}
return(value);
}
