protected void tree_CustomCallback(object sender, DevExpress.Web.ASPxTreeList.TreeListCustomCallbackEventArgs e)
{
if (String.IsNullOrWhiteSpace(e.Argument))
{
return;
}
var param = e.Argument.Split(';');
if (param.Length < 2)
{
return;
}
var context = new NorthwindDataClassesDataContext();
var currentNode = context.Employees.Where(empl => empl.EmployeeID == Convert.ToInt32(param[0])).FirstOrDefault();
var copyNode = context.Employees.Where(empl => empl.EmployeeID == Convert.ToInt32(param[1])).FirstOrDefault();
if (ProcessNodes(tree.FindNodeByKeyValue(copyNode.EmployeeID.ToString()), currentNode.EmployeeID.ToString()))
{
copyNode.ReportsTo = currentNode.EmployeeID;
//coment the below line to enable updates
throw new CallbackException("Updates aren't allowed in online demo");
context.SubmitChanges();
tree.DataBind();
}
else
{
throw new CallbackException("You're trying to move a parent node to its child");
}
}
protected void ASPxTreeList1_CustomCallback(object sender, DevExpress.Web.ASPxTreeList.TreeListCustomCallbackEventArgs e)
{
//Guid guid = Guid.Parse(cbAccountType.Value.ToString());
//AccountType accountType = session.GetObjectByKey<AccountType>(guid);
//CriteriaOperator criteria = new BinaryOperator("AccountTypeId!Key",accountType.AccountTypeId);
//AccountXPO.Criteria = criteria.ToString();
//ASPxTreeList1.DataBind();
}
protected void PermissionsTree_CustomCallback(object sender, DevExpress.Web.ASPxTreeList.TreeListCustomCallbackEventArgs e)
{
PermissionsTree.UnselectAll();
if (RolesGrid.FocusedRowIndex > -1)
{
new Permission().ListRolePermissions((int)RolesGrid.GetRowValues(RolesGrid.FocusedRowIndex, "ID")).ForEach(p =>
{
PermissionsTree.FindNodeByKeyValue(p.ID.ToString()).Selected = true;
});
}
}
// drag-and-drop to reorder nodes
protected void ASPxTreeList1_CustomCallback(object sender, DevExpress.Web.ASPxTreeList.TreeListCustomCallbackEventArgs e)
{
ASPxTreeList tl = (ASPxTreeList)sender;
if (e.Argument.StartsWith("reorder:"))
{
string[] arg = e.Argument.Split(':');
SwapNodes(tl.FindNodeByKeyValue(arg[1]), tl.FindNodeByKeyValue(arg[2]));
tl.DataBind();
}
}
protected void TreeList_CustomCallback(object sender, DevExpress.Web.ASPxTreeList.TreeListCustomCallbackEventArgs e)
{
string[] callbackParams = e.Argument.Split('|');
bool isSwap = false;
int draggedKey = -1;
int targetKey = -1;
if (callbackParams.Length == 3 &&
Int32.TryParse(callbackParams[0], out draggedKey) &&
Int32.TryParse(callbackParams[1], out targetKey) &&
Boolean.TryParse(callbackParams[2], out isSwap) &&
isSwap)
{
dataHelper.SwapDataItems(dataHelper.Data.Find(i => i.Key == draggedKey), dataHelper.Data.Find(i => i.Key == targetKey));
TreeList.DataSource = dataHelper.Data;
((ASPxTreeList)sender).DataBind();
}
}
protected void ASPxTreeList1_CustomCallback(object sender, DevExpress.Web.ASPxTreeList.TreeListCustomCallbackEventArgs e)
{
}
protected void treeList_CallBack(object sender, DevExpress.Web.ASPxTreeList.TreeListCustomCallbackEventArgs e)
{
ASPxTreeList tree = sender as ASPxTreeList;
tree.RefreshVirtualTree();
}
