/// <summary>
/// Creates any child controls necessary to render the field, such as a label control, link control, or text box control.
/// </summary>
protected override void CreateChildControls()
{
AutocompleteLookupField lookupFieldPicker = (AutocompleteLookupField)this.Field;
using (SPWeb web = Web.Site.OpenWeb(lookupFieldPicker.LookupWebId))
{
SPList lookupList = web.Lists[new Guid(lookupFieldPicker.LookupList)];
AutocompleteControl control = Page.LoadControl(autocompleteAscxPath) as AutocompleteControl;
Controls.Add(control);
this.lookupEditor = control.FindControl("autocomplete") as TextBox;
this.lookupIDs = control.FindControl("LookupIDs") as HiddenField;
string lookupListName = lookupList.Title;
StringBuilder listBuilder = ValidateListOrFieldName(lookupListName);
lookupListName = listBuilder.ToString();
control.LookupListName = lookupListName;
string internalFieldName = ((SPFieldLookup)(lookupFieldPicker)).LookupField;
string lookupFieldName = lookupList.Fields.GetField(internalFieldName).Title;
StringBuilder fieldBuilder = ValidateListOrFieldName(lookupFieldName);
lookupFieldName = fieldBuilder.ToString();
control.LookupFieldName = lookupFieldName;
control.SiteUrl = web.Url;
control.Filter = Filter ?? lookupFieldPicker.GetFieldAttribute("Filter");
if (lookupFieldPicker.AllowMultipleValues)
{
control.IsMultiLookup = true;
}
else
{
control.IsMultiLookup = false;
}
}
base.CreateChildControls();
}
/// <summary>
/// Sets the field control value.
/// </summary>
/// <param name="value">The value.</param>
private void SetFieldControlValue(object value)
{
this.lookupEditor.Text = string.Empty;
AutocompleteLookupField lookupFieldPicker = (AutocompleteLookupField)this.Field;
if (this.ControlMode == SPControlMode.New && lookupEditor.Text.Length == 0)
{
//string strValue = ParseDefaultValue(lookupFieldPicker.CustomDefaultValue);
//if (strValue == null)
return;
}
else
{
if (value == null || value.ToString() == "")
{
return;
}
if (lookupFieldPicker.AllowMultipleValues)
{
SPFieldLookupValueCollection lookupValues = value as SPFieldLookupValueCollection;
foreach (SPFieldLookupValue lookupValue in lookupValues)
{
string text = new SPFieldLookupValue(lookupValue.ToString()).LookupValue;
this.lookupEditor.Text += text + "; ";
int ID = new SPFieldLookupValue(lookupValue.ToString()).LookupId;
this.lookupIDs.Value += text + "[" + ID + "]" + "; ";
}
}
else
{
SPFieldLookupValue lookupValue = value as SPFieldLookupValue;
this.lookupEditor.Text = lookupValue.LookupValue;
this.lookupIDs.Value = this.lookupEditor.Text + "[" + lookupValue.LookupId + "]";
}
}
}