public Control GetConfigurationControl(
AlteryxGuiToolkit.Document.Properties docProperties,
XmlElement eConfig,
XmlElement[] eIncomingMetaInfo,
int nToolId,
string strToolName)
{
// Call LoadFromConfiguration to get the xml file name and field information from eConfig.
XmlInputConfiguration xmlConfig = XmlInputConfiguration.LoadFromConfiguration(eConfig);
if (xmlConfig == null)
{
return(this);
}
// Populate the ComboBox with field names
// If there is no incoming connection, use what is stored
string selectedField = xmlConfig.SelectedField;
if (eIncomingMetaInfo == null || eIncomingMetaInfo[0] == null)
{
string fieldNames = xmlConfig.FieldNames;
string[] arrFieldNames = fieldNames.Split(',');
comboboxFilenameField.Items.Clear();
foreach (string fieldName in arrFieldNames)
{
comboboxFilenameField.Items.Add(fieldName);
}
// Select the saved field
if (!string.IsNullOrWhiteSpace(selectedField))
{
int selectedIndex = comboboxFilenameField.FindStringExact(selectedField);
if (selectedIndex > 0)
{
comboboxFilenameField.SelectedIndex = selectedIndex;
}
}
}
else
{
comboboxFilenameField.Items.Clear();
var xmlElementMetaInfo = eIncomingMetaInfo[0];
var xmlElementRecordInfo = xmlElementMetaInfo.FirstChild;
foreach (XmlElement elementChild in xmlElementRecordInfo)
{
string fieldName = elementChild.GetAttribute("name");
string fieldType = elementChild.GetAttribute("type");
if (isStringType(fieldType))
{
comboboxFilenameField.Items.Add(fieldName);
}
}
// If the selectedField matches a possible field in the combo box,
// make it the selected field.
// If the selectedField does not match, do not select anything and
// blank the selectedField.
if (!string.IsNullOrWhiteSpace(selectedField))
{
int selectedIndex = comboboxFilenameField.FindStringExact(selectedField);
if (selectedIndex == -1)
{
// Not Found
XmlElement xmlElementSelectedField = XmlHelpers.GetOrCreateChildNode(eConfig, Constants.SELECTEDFIELDKEY);
xmlElementSelectedField.InnerText = "";
}
else
{
// Found
comboboxFilenameField.SelectedIndex = selectedIndex;
}
}
} // end of "if (eIncomingMetaInfo == null || eIncomingMetaInfo[0] == null)"
return(this);
}