/// <summary>
/// Binds the grid.
/// </summary>
private void BindGrid()
{
if (!_blockContextIsValid)
{
return;
}
var dataContext = GetDataContext();
var settings = OnStoreFilterSettings();
var items = OnGetListDataSource(dataContext, settings, ListGridControl.SortProperty);
ListGridControl.DataSource = items;
ListGridControl.DataBind();
// The Grid has built-in functionality to prevent deletion of system-protected items if the Data Source implements an "IsSystem" flag.
// If this option is enforced, verify that the data source is correctly configured to support this feature.
if (this.ShowItemDelete &&
this.PreventSystemItemDelete &&
items != null)
{
var enumerator = (( IEnumerable )items).GetEnumerator();
if (enumerator.MoveNext())
{
var item = enumerator.Current;
if (item != null)
{
var pi = item.GetType().GetProperty("IsSystem");
if (pi == null)
{
// Show a non-fatal configuration error.
ShowNotificationError("Configuration Error: Data Source should implement property \"IsSystem\".");
}
}
}
}
}
/// <summary>
/// Set the properties of the main grid.
/// </summary>
private void InitializeGrid()
{
ListGridControl.DataKeyNames = new string[] { "Id" };
ListGridControl.RowItemText = _entityType.FriendlyName;
ListGridControl.ExportSource = ExcelExportSource.DataSource;
ListGridControl.HideDeleteButtonForIsSystem = this.PreventSystemItemDelete;
ListGridControl.Actions.AddClick += gList_Add;
ListGridControl.GridRebind += gList_GridRebind;
ListGridControl.AllowSorting = !this.ShowItemReorder;
// Show Reorder handle
if (this.ShowItemReorder)
{
_reorderColumn = new ReorderField();
ListGridControl.Columns.Insert(0, _reorderColumn);
ListGridControl.GridReorder += gList_GridReorder;
}
// Verify block authorization
bool canAddEditDelete = IsUserAuthorized(Authorization.EDIT);
bool canAdministrate = IsUserAuthorized(Authorization.ADMINISTRATE);
ListGridControl.Actions.ShowAdd = this.ShowItemAdd && canAddEditDelete;
if (canAddEditDelete)
{
ListGridControl.RowSelected += gList_Edit;
}
// Show Security button
if (this.ShowItemSecurity &&
canAdministrate)
{
_securityColumn = ListGridControl.ColumnsOfType <SecurityField>().FirstOrDefault();
if (_securityColumn == null)
{
_securityColumn = new SecurityField();
ListGridControl.Columns.Add(_securityColumn);
}
_securityColumn.EntityTypeId = _entityType.Id;
}
// Show Delete button
ListGridControl.IsDeleteEnabled = this.ShowItemDelete && canAddEditDelete;
if (this.ShowItemDelete &&
canAddEditDelete)
{
_deleteColumn = ListGridControl.ColumnsOfType <DeleteField>().FirstOrDefault();
if (_deleteColumn == null)
{
_deleteColumn = new DeleteField();
_deleteColumn.Click += gList_Delete;
ListGridControl.Columns.Add(_deleteColumn);
}
}
// Perform additional customization of the list grid if required.
OnConfigureListGrid(this.ListGridControl);
}