GroupInfo[] GetGroupInfos(int rowHandle) {
int rowLevel = GridControl.GetRowLevelByRowHandle(rowHandle);
GroupInfo[] groupInfo = new GroupInfo[rowLevel + 1];
int currentGroupRowHandle = rowHandle;
for(int i = rowLevel; i >= 0; i--) {
groupInfo[i] = new GroupInfo() {
Value = GridControl.GetGroupRowValue(currentGroupRowHandle),
FieldName = GridControl.SortInfo[i].FieldName
};
currentGroupRowHandle = GridControl.GetParentRowHandle(currentGroupRowHandle);
}
return groupInfo;
}
bool CanMoveSelectedRowsToGroup(DragDropManagerBase sourceManager, GroupInfo[] groupInfos, DependencyObject hitElement) {
if(GetRowElement(hitElement) == null)
return false;
foreach(object obj in sourceManager.DraggingRows) {
if(!ItemsSource.Contains(obj))
return true;
foreach(GroupInfo groupInfo in groupInfos) {
object value;
if(groupInfo.FieldName.Contains(".")) {
ComplexPropertyDescriptor complexDescr = new ComplexPropertyDescriptor(obj, groupInfo.FieldName);
value = complexDescr.GetValue(obj);
} else
value = TypeDescriptor.GetProperties(obj)[groupInfo.FieldName].GetValue(obj);
if(!object.Equals(value, groupInfo.Value))
return true;
}
}
return false;
}
