public Model.ViewModel.GridVM GetGridViewModelForObject(IQueryable <object> collection, string objectId, string objectType, string bindingPath, CollectionViewModelParameters parameters)
{
var gv = new Model.ViewModel.GridVM();
gv.PropertyValue = $"{collection.Cast<object>().FirstOrDefault()?.GetType().Name}[{collection.Count()}]";
var firstElement = collection.Cast <object>().FirstOrDefault();
if (firstElement == null)
{
return(gv);
}
var elementType = firstElement.GetType();
var elementIdPropertyName = dataService.GetIdPropertyName(elementType);
var propertyInfos = viewConfigurationService.GetGridCollumnInPropertyGrid(elementType, elementIdPropertyName);
var idProperty = elementType.GetProperty(elementIdPropertyName);
bool isFirst = true;
var page = collection.Skip(parameters.Page * parameters.PageSize).Take(parameters.PageSize);
int iRow = 0;
foreach (var element in page)
{
var row = new RowViewModel();
row.Cells = new CellViewModel[propertyInfos.Length];
var rowId = idProperty.GetValue(element);
row.Id = rowId?.ToString();
row.ElementTypeFullName = helper.GetTypeName(elementType);
row.EditUrl = helper.GetEditUrlForClass(row.Id, elementType);
for (int i = 0; i < propertyInfos.Length; i++)
{
var cellProperty = propertyInfos[i];
var cellValue = cellProperty.GetValue(element);
var cellPropertyType = cellProperty.PropertyType;
var cellType = helper.CheckPropType(cellPropertyType);
if (isFirst)
{
var cvm = new ColumnViewModel()
{
BindingPath = cellProperty.Name, Header = cellProperty.Name
};
gv.Columns.Add(cvm);
}
var cell = new CellViewModel()
{
IsBigString = helper.IsBigString(cellValue, BaseService.EnumPreviewType.Grid),
Value = helper.GetPreview(cellValue, BaseService.EnumPreviewType.Grid)
};
cell.MainObjectId = objectId;
cell.MainObjectType = objectType;
cell.BindingPath = $"{bindingPath}[{iRow}].{cellProperty.Name}";
row.Cells[i] = cell;
if (cellType == PropertyTypes.Class)
{
if (cellValue != null)
{
var valueType = cellValue.GetType();
var idPropName = dataService.GetIdPropertyName(valueType);
var idProp = valueType.GetProperty(idPropName);
var id = idProp.GetValue(cellValue)?.ToString();
cell.EditUrl = helper.GetEditUrlForClass(id, valueType);
}
}
else if (cellType == PropertyTypes.Collection)
{
cell.EditUrl = helper.GetEditUrlForCollection(helper.GetCollectionElementType(cellPropertyType), rowId, elementType);
}
}
gv.Rows.Add(row);
isFirst = false;
iRow++;
}
return(gv);
}
public Model.ViewModel.GridVM GetGridViewModelForType(string collectionTypeName, string parentObjectId, string parentType, CollectionViewModelParameters parameters)
{
var collection = dataService.GetCollection(collectionTypeName, parentObjectId, parentType, parameters);
return(GetGridViewModelForObject(collection, null, collectionTypeName, "Collection", parameters));
}
/// <summary>
/// Zwraca dzieci obiektu - dla obiektu hierarchicznego
/// </summary>
/// <param name="objectId"></param>
/// <param name="type"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public virtual IQueryable <object> GetChildrenCollection(string objectId, string typeFullname, CollectionViewModelParameters parameters)
{
return(null);
}
/// <summary>
/// Zwraca kolekcję obiektów
/// </summary>
/// <param name="collectionTypeName"></param>
/// <param name="objectId"></param>
/// <param name="objectType"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public virtual IQueryable <object> GetCollection(string collectionTypeName, string objectId, string objectType, CollectionViewModelParameters parameters)
{
return(new List <object>().AsQueryable());
}
/// <summary>
/// Helper do pobierania obiektów z EF
/// </summary>
/// <param name="objectId"></param>
/// <param name="collectionTypeName"></param>
/// <param name="parameters"></param>
/// <param name="processesContext"></param>
/// <returns></returns>
public virtual IQueryable <object> GetChildrenCollectionDb(object objectId, string collectionTypeName, CollectionViewModelParameters parameters, object processesContext)
{
var set = GetDbSet(collectionTypeName, processesContext);
var query = (IQueryable <object>)System.Linq.Queryable.Cast <object>(set);
var dane = query.ToList();
return(dane.AsQueryable <object>());
}
public TreeListViewModel GetTreeList(string objectId, string typeFullname, CollectionViewModelParameters parameters)
{
var collection = dataService.GetChildrenCollection(objectId, typeFullname, parameters);
return(GetTreeListViewModel(collection, parameters));
}
