/// <ToBeCompleted></ToBeCompleted>
protected Attribute[] GetPropertyAttributes(IPropertyController controller, PropertyDescriptor descriptor)
{
if (controller == null)
{
throw new ArgumentNullException("controller");
}
if (descriptor == null)
{
throw new ArgumentNullException("descriptor");
}
try {
int attrCount = descriptor.Attributes.Count;
BrowsableAttribute browsableAttr = descriptor.Attributes[typeof(BrowsableAttribute)] as BrowsableAttribute;
ReadOnlyAttribute readOnlyAttr = descriptor.Attributes[typeof(ReadOnlyAttribute)] as ReadOnlyAttribute;
DescriptionAttribute descriptionAttr = descriptor.Attributes[typeof(DescriptionAttribute)] as DescriptionAttribute;
RequiredPermissionAttribute requiredPermissionAttr = descriptor.Attributes[typeof(RequiredPermissionAttribute)] as RequiredPermissionAttribute;
if (requiredPermissionAttr != null)
{
object propertyOwner = GetPropertyOwner(descriptor);
Permission permission = requiredPermissionAttr.Permission;
// Check if property is viewable
if (!IsGranted(controller, permission, SecurityAccess.Modify, propertyOwner))
{
// Hide if PropertyDisplayMode is 'Hidden' and 'View' access is not granted,
// otherwise set peroperty to readonly
if (controller.PropertyDisplayMode == NonEditableDisplayMode.Hidden &&
!IsGranted(controller, permission, SecurityAccess.View, propertyOwner))
{
browsableAttr = BrowsableAttribute.No;
}
else
{
readOnlyAttr = ReadOnlyAttribute.Yes;
descriptionAttr = GetNotGrantedDescription(descriptionAttr, permission);
}
}
}
// Now copy all attributes
int cnt = descriptor.Attributes.Count;
List <Attribute> result = new List <Attribute>(attrCount);
// Add stored/modified attributes first
if (browsableAttr != null)
{
result.Add(browsableAttr);
}
if (readOnlyAttr != null)
{
result.Add(readOnlyAttr);
}
if (descriptionAttr != null)
{
result.Add(descriptionAttr);
}
if (requiredPermissionAttr != null)
{
result.Add(requiredPermissionAttr);
}
// Copy all other attributes
for (int i = 0; i < cnt; ++i)
{
// Skip stored/modified attributes
if (descriptor.Attributes[i] is BrowsableAttribute)
{
continue;
}
else if (descriptor.Attributes[i] is ReadOnlyAttribute)
{
continue;
}
else if (descriptor.Attributes[i] is DescriptionAttribute)
{
continue;
}
else if (descriptor.Attributes[i] is EditorAttribute)
{
if (readOnlyAttr != null && readOnlyAttr.IsReadOnly)
{
continue;
}
}
result.Add(descriptor.Attributes[i]);
}
return(result.ToArray());
} catch (Exception) {
throw;
}
}
/// <summary>
/// Initializes a new instance of <see cref="T:Dataweb.NShape.Advanced.PropertyDescriptorDg" />
/// </summary>
public PropertyDescriptorDg(IPropertyController controller, PropertyDescriptor descriptor, Attribute[] attributes)
: base(descriptor.Name, attributes)
{
this.descriptor = descriptor;
this.controller = controller;
// We have to store the attributes and return their values in the appropriate
// methods because if we don't, modifying the readonly attribute will not work
browsableAttr = Attributes[typeof(BrowsableAttribute)] as BrowsableAttribute;
readOnlyAttr = Attributes[typeof(ReadOnlyAttribute)] as ReadOnlyAttribute;
descriptionAttr = Attributes[typeof(DescriptionAttribute)] as DescriptionAttribute;
permissionAttr = descriptor.Attributes[typeof(RequiredPermissionAttribute)] as RequiredPermissionAttribute;
}
