Adding a row to a collapsed CXTPReportC&#111;ntrol

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Topic: Adding a row to a collapsed CXTPReportControl
Posted: 10 May 2010 at 5:15pm

In our application, we have a CXTPReportControl containing a potentially large number of rows. The problem I am having is that it appears that when a row is added into the tree, if the user has collapsed the tree, it gets expanded automatically. I would like to prevent this from happening. I put some breakpoints in the code, and CXTPReportRow::SetExpanded does not appear to be called...
-Craig

acwest

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Posted: 14 May 2010 at 4:59pm

So does anybody have any ideas on why my control is being expanded? Does anybody else have the same behavior?

Aaron

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Posted: 25 May 2010 at 3:25pm

Hi,

I am using ActiveX but I think it has same problem... Call Populate automatically expands all collapsed rows.

And to all other MFC users, why don't you reply on this? Only nagging about bugs/problems isn't what a forum is about, helping your fellow users thats what's a forum is for !!!!

Product: Xtreme SuitePro (ActiveX) version 15.0.2
Platform: Windows XP (32bit) - SP 2
Language: Visual Basic 6.0

Zero replies is not an option....

acwest

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Posted: 03 November 2010 at 4:25pm

I have just updated my project to use the latest version of the toolkit (13.4.2) and still see the same behaviour. Is there any way to have collapsed rows NOT expand?

Sneemaster View Drop Down

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Posted: 29 November 2010 at 12:32pm

I am also noticing the same problem. Are there any updates on this? Can we force-collapse the rows after we run the Populate command? If so, how do we determine if the rows were originally collapsed?

acwest

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Posted: 17 May 2011 at 4:32pm

My solution, if you can call it that, was to subclass the report control, and in my populate, get a list of all collapsed rows, then recollapse them, unless they contained new records, in which case, leave them expanded
CSubclassReportControl
{
...
    std::list<CXTPReportRecord*> m_NewRecords;
    CXTPReportRecord* AddRecord(CXTPReportRecord* pRecord)
    {
        POSITION pos = m_NewRecords.Find(pRecord);
        if (!pos)
            m_NewRecords.AddTail(pRecord);
        return __super::AddRecord(pRecord);
    }

    void Populate()
    {
        CList<CString> collapsedRows;
      CXTPReportRows *pRows = GetRows();
      for (int i = 0; i < pRows->GetCount(); i++)
        {
            CXTPReportRow *pRow = pRows->GetAt(i);
            if (pRow && pRow->IsGroupRow() && !pRow->IsExpanded())
            {
                CXTPReportGroupRow* pGroupRow = (CXTPReportGroupRow*) pRow;
                collapsedRows.AddTail(pGroupRow->GetCaption());
            }
        }
        __super::Populate();
        pRows = GetRows();
      for (int i = 0; i < pRows->GetCount(); i++)
        {
          CXTPReportRow *pRow = pRows->GetAt(i);
          if (pRow && pRow->IsGroupRow())
            {
              CXTPReportGroupRow* pGroupRow = (CXTPReportGroupRow*) pRow;
              CString caption = pGroupRow->GetCaption();
                POSITION pos = collapsedRows.Find(caption);
                if (pos)
                {
                    bool foundNew = false;
                    CXTPReportRows *pChilds = pRow->GetChilds();
                    for (int j = 0; j < pChilds->GetCount(); j++)
                  {
                  CXTPReportRow *pChild = pChilds->GetAt(j);
                        if (pChild)
                      {
                      CXTPReportRecord* pRecord = pChild->GetRecord();
                            POSITION pos = m_NewRecords.Find(pRecord);
                            if (pos)
                            {
                                m_NewRecords.RemoveAt(pos);
                                foundNew = true;
                                break;
                            }
                        }
                    }
                  if (!foundNew)
                  {
                      pGroupRow->SetExpanded(FALSE);
                  }
                    collapsedRows.RemoveAt(pos);
                }
            }
        }
        m_NewRecords.RemoveAll();
    }
};

ABuenger

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