/// <summary>
/// initialize link fields
/// </summary>
/// <param name="currRec"></param>
public void InitLinkFields(com.magicsoftware.unipaas.management.data.IRecord currRec)
{
//init the cureent rec fields that belong to the link
foreach (Field field in Fields)
{
bool isNull = field.isNull();
String result = field.getValue(false);;
field.getInitExpVal(ref result, ref isNull);
//this function knows to take either the null value or the defualt value
((Record)currRec).SetFieldValue(field.getId(), isNull, result);
field.invalidate(true, false);
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
internal override ReturnResultBase Execute()
{
if (Field.IsVirtual)
{
return(new ReturnResult());
}
// check the conditions which will allow the update
if (Field.IsLinkField)
{
LinkView linkView = TaskViews.LinkViews[Field.getDataviewHeaderId()];
IRecord record = DataviewSynchronizer.GetCurrentRecord();
if ((linkView.DataviewHeader.Mode == LnkMode.Write && linkView.GetPosition(record) == null) ||
linkView.DataviewHeader.Mode == LnkMode.Create)
{
return(new ReturnResult());
}
}
// update not allowed - return the error
return(new ReturnResult(MsgInterface.RT_STR_NON_MODIFIABLE));
}
/// <summary>
/// update link result
/// </summary>
/// <param name="curRec">current record</param>
/// <param name="ret">link success</param>
public void SetReturnValue(com.magicsoftware.unipaas.management.data.IRecord curRec, bool ret, bool recompute)
{
Field retFld = ReturnField;
if (retFld != null)
{
bool enforceValiableChange = retFld.getTask() != Task;
//if we are fetching first chunk we didn't updated the executuion stack yet
ClientManager.Instance.EventsManager.pushNewExecStacks();
//same as NonRecomputeVarChangeEvent on server fetch.cpp
//if the return field is numeric, then convert result value toNum() before passing to setValueAndStartRecompute().
string result = ret ? "1" : "0";
if (retFld.getType() == StorageAttribute.NUMERIC)
{
result = DisplayConvertor.Instance.toNum(result, new PIC(retFld.getPicture(), StorageAttribute.NUMERIC, 0), 0);
}
retFld.setValueAndStartRecompute(result, false, recompute, false, false, enforceValiableChange);
ClientManager.Instance.EventsManager.popNewExecStacks();
if (!recompute)
{
retFld.setModified();
}
retFld.invalidate(true, false);
// If field is from another task, need to update the display as well
if (retFld.getTask() != Task)
{
retFld.updateDisplay();
}
}
}
