public void InitializeWithField(SPField field)
{
EnsureChildControls();
CascadingLookupField _f = null;
try { _f = field as CascadingLookupField; }
catch { }
if (_f != null)
{
if (!IsPostBack)
{
cbxAllowMultiValue.Checked = _f.AllowMultipleValues;
txtQueryFilter.Text = (!string.IsNullOrEmpty(_f.QueryFilterAsString)) ?
SPHttpUtility.HtmlDecode(_f.QueryFilterAsString) : string.Empty;
cbxRecursiveFilter.Checked = _f.IsFilterRecursive;
TargetWebId = _f.LookupWebId.ToString();
TargetListId = _f.LookupList;
TargetColumnId = _f.LookupField;
TargetListViewId = _f.ListViewFilter;
}
}
if (!IsPostBack)
{
SetTargetWeb();
lblTargetWeb.Text = listTargetWeb.SelectedItem.Text;
lblTargetList.Text = listTargetList.SelectedItem.Text;
SetControlVisibility();
}
}
public void OnSaveChange(SPField field, bool isNewField)
{
CascadingLookupField _f = null;
try { _f = field as CascadingLookupField; }
catch { }
if (_f != null)
{
string s = txtQueryFilter.Text;
bool rec = cbxRecursiveFilter.Checked;
string view = (listTargetListView.SelectedIndex > -1) ?
listTargetListView.SelectedItem.Value : string.Empty;
string col = listTargetColumn.SelectedItem.Value;
string list = listTargetList.SelectedItem.Value;
bool multi = cbxAllowMultiValue.Checked;
if (isNewField)
{
SPSite _site = SPControl.GetContextSite(this.Context);
SPWeb _web = _site.OpenWeb(new Guid(listTargetWeb.SelectedItem.Value));
_f.LookupWebId = _web.ID;
_f.LookupList = list;
}
if (rdFilterOption.SelectedItem.Value == "Query")
{
_f.QueryFilterAsString = (!string.IsNullOrEmpty(s)) ? SPHttpUtility.HtmlEncode(s) : "";
_f.ListViewFilter = "";
}
else if (rdFilterOption.SelectedItem.Value == "ListView")
{
_f.ListViewFilter = (!string.IsNullOrEmpty(view)) ? view : "";
_f.QueryFilterAsString = "";
}
_f.LookupField = col;
_f.IsFilterRecursive = rec;
_f.UnlimitedLengthInDocumentLibrary = cbxUnlimitedLengthInDocLib.Checked;
_f.CountRelated = false;
_f.AllowMultipleValues = (_f.CountRelated) ? false : multi;
}
}
protected override void CreateChildControls()
{
if (this.Field != null && this.ControlMode != SPControlMode.Display)
{
if (!this.ChildControlsCreated)
{
CascadingLookupField field = this.Field as CascadingLookupField;
base.CreateChildControls();
MultiLookupPicker = (GroupedItemPicker)TemplateContainer.FindControl("MultiLookupPicker");
BuildAvailableItems(ref MultiLookupPicker);
SelectCandidate = (SPHtmlSelect)TemplateContainer.FindControl("SelectCandidate");
SelectResult = (SPHtmlSelect)TemplateContainer.FindControl("SelectResult");
AddButton = (HtmlButton)TemplateContainer.FindControl("AddButton");
RemoveButton = (HtmlButton)TemplateContainer.FindControl("RemoveButton");
}
}
}
protected override void CreateChildControls()
{
Initialize();
if (base.Field != null && base.ControlMode != SPControlMode.Display)
{
if (!this.ChildControlsCreated)
{
this.Controls.Clear();
this.Controls.Add(new LiteralControl("<span dir=\"none\">"));
CascadingLookupField field = base.Field as CascadingLookupField;
if (_availableItems != null && _availableItems.Count > 19 && IsExplorerOnWin())
{
CreateCustomSelect();
}
else
{
CreateStandardSelect();
}
this.Controls.Add(new LiteralControl("<br /></span>"));
}
}
}
internal static List <ListItem> GetAvailableValues(CascadingLookupField f, BaseFieldControl thisfield)
{
List <ListItem> _v = null;
List <SPListItem> items = new List <SPListItem>();
Guid fId = new Guid(f.LookupField);
SPList lookupList = SPContext.Current.Web.Lists[new Guid(f.LookupList)];
try
{
if (f.QueryFilter != null)
{
SPQuery query = new SPQuery();
query.Query = f.QueryFilter.Query;
Regex regex = new Regex(@"\[(.[^\[\]]+)");
foreach (string coluna in regex.Matches(query.Query).OfType <Match>().Select(m => m.Groups[1].Value)
.Where(m => m.ToUpper() != "HOJE" && m.ToUpper() != "EU"))
{
BaseFieldControl ctr = GetFieldControlByName(thisfield, coluna);
if (!(ctr is MultipleCascadingLookupFieldControl) && !(ctr is CascadingLookupFieldControl) && ctr.Controls[0] != null)
{
if (ctr.Controls[0] is ListControl)
{
(ctr.Controls[0] as ListControl).AutoPostBack = true;
}
else if (ctr.Controls[0] is TextBox)
{
(ctr.Controls[0] as TextBox).AutoPostBack = true;
}
}
string value = string.Empty;
if (ctr != null)
{
if (ctr.Value is SPFieldLookupValue)
{
value = ((SPFieldLookupValue)ctr.Value).LookupId.ToString();
}
else
{
value = ctr.Value.ToString();
}
}
else if (SPContext.Current.ListItem != null)
{
value = SPContext.Current.ListItem[coluna].ToString();
}
query.Query = query.Query.Replace(string.Format("[{0}]", coluna), value);
}
items = lookupList.GetItems(query).OfType <SPListItem>().ToList();
}
else
{
items = lookupList.Items.OfType <SPListItem>().ToList();
}
}
catch { }
//if (items.Count <= 0) { items = lookupList.Items.OfType<SPListItem>().ToList(); }
try
{
if (items.Count > 0)
{
_v = items
.Cast <SPListItem>()
.Where(e => e[e.Fields[fId].InternalName] != null)
.Select(e => new ListItem((
e.Fields[fId].GetFieldValueAsText(e[fId])), e.ID.ToString()))
.ToList <ListItem>();
}
}
catch { }
return(_v);
}