Get label instead value select_one ODK-X

cmuchuchuti · February 8, 2021, 9:45am

Hi colleagues.

I am wondering if there is any way of getting the label instead of value from a select_one in ODK-X. The only way I think of now is to have a lot of if else statements and assign but for a long select_one dropdown this will be certainly time consuming. If anyone has a better way I would appreciate.

elmps2018 · February 8, 2021, 5:35pm

Hi @cmuchuchuti! Can you share a bit more about the problem? Do you mean you want to use the label rather than the value in the if statement? Or record the value rather than the label? You can always use the label as the value and then they are the same.

cmuchuchuti · February 8, 2021, 6:03pm

Thanks @elmps2018 for the response. I want to use the selected label as the instance name or refer to the actual label in the display.text of another question. I have an active survey already with live data so I didn’t want the option of change my value list which are currently integers.

W_Brunette · February 15, 2021, 11:44pm

You can used the odkData object to get information about the choices. These functions look like they might be helpful

github.com

odk-x/app-designer/blob/master/app/system/js/odkData.js#L1257


      
          
          
//
          // Effectively retrieves the object for the given data_value from
          // the displayChoicesList for the given elementPath. Equivalent to
          // searching through the '_displayChoicesList' value for the object
          // where object.data_value === choiceDataValue.
          //
          // The caller can then access the .display.title for the
          // text translation of this object or any custom property
          // associated with this choice data value (via the tableId form).
          getColumnChoiceDataValueObject:function(elementPath, choiceDataValue) {
              var that = this;
              var retVal = null;
          
          
    if (that.resultObj === null || that.resultObj === undefined) {
                  return retVal;
              }
          
          
    if (that.resultObj.metadata === null || that.resultObj.metadata === undefined) {
                  return retVal;
              }

github.com

odk-x/app-designer/blob/master/app/system/js/odkData.js#L1213


      
              return that.resultObj.metadata.canCreateRow;
          
          
},
          
          
//
          // Retrieves the list of choices for the given elementPath
          // or null if there is not a list of choices in the table
          // properties for this column. This is the already-JSON-parsed
          // value. The list order is the order in which these choices
          // should be presented in the selection-list.
          getColumnChoicesList:function(elementPath) {
              var that = this;
              var retVal = null;
          
          
    if (that.resultObj === null || that.resultObj === undefined) {
                  return retVal;
              }
          
          
    if (that.resultObj.metadata === null || that.resultObj.metadata === undefined) {
                  return retVal;
              }