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HOWTO: Use BestFit() in tree like mode
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mgampi View Drop Down
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Points: 1198 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mgampi Quote  Post ReplyReply Direct Link To This Post Topic: HOWTO: Use BestFit() in tree like mode
    Posted: 27 April 2011 at 4:10am
Hi:

I can't figure out how to use CXTPReportHeader::BestFit() in tree-like control mode. It works very well in simple mode, but in tree-like mode with collapsed nodes the calculated column width is wrong. It seems as if only visible rows are considered.
How can I calculate the required width over all rows whether they are collapsed or not?
First expanding all nodes and then collapsing them again on startup/reload is no option because this would take a long time to process.

TIA
Martin

Product: Xtreme Toolkit v 19.0.0, new Projects v 19.1.0
Platform: Windows 10 v 1909 (64bit)
Language: VC++ 2017
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ChrisBamford View Drop Down
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Points: 8 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ChrisBamford Quote  Post ReplyReply Direct Link To This Post Posted: 29 June 2011 at 5:34am
Hi, I have a similar issue to this with version 13.4.2.

I have a tree structure that can be up to 4 levels deep, e.g.:

Parent
+- Child1
 +- Child2
  +- Child3
   +- Child4


The issue for me is that after calling BestFit for all columns on a report control, the second column (which is the tree column, is not resized as I would expect.  Following is an example screenshot.


Here is the code I'm using to call BestFit

CXTPReportColumns * pColumns = pthis->m_xtFileList.GetColumns();
pthis->m_xtFileList.GetReportHeader()->BestFit(pColumns->GetAt(1));
pthis->m_xtFileList.GetReportHeader()->BestFit(pColumns->GetAt(2));
pthis->m_xtFileList.GetReportHeader()->BestFit(pColumns->GetAt(3));
pthis->m_xtFileList.GetReportHeader()->BestFit(pColumns->GetAt(4));


pthis is a pointer to the current dialog.

And here is the code I'm using to create the columns:

m_xtFileList.AddColumn(new CXTPReportColumn(0, _T("Delete"), 20, TRUE, 0));
m_xtFileList.AddColumn(new CXTPReportColumn(1, _T("Filename"), 250, TRUE));
m_xtFileList.AddColumn(new CXTPReportColumn(2, _T("Type"), 125, TRUE));
m_xtFileList.AddColumn(new CXTPReportColumn(3, _T("Created"), 75, TRUE));
m_xtFileList.AddColumn(new CXTPReportColumn(4, _T("File Size"), 100, TRUE));

m_xtFileList.GetColumns()->Find(2)->SetTreeColumn(TRUE);
m_xtFileList.GetColumns()->Find(0)->GetEditOptions()->m_bAllowEdit = FALSE;
m_xtFileList.GetColumns()->Find(1)->GetEditOptions()->m_bAllowEdit = FALSE;
m_xtFileList.GetColumns()->Find(2)->GetEditOptions()->m_bAllowEdit = FALSE;
m_xtFileList.GetColumns()->Find(3)->GetEditOptions()->m_bAllowEdit = FALSE;
m_xtFileList.GetColumns()->Find(4)->GetEditOptions()->m_bAllowEdit = FALSE;
m_xtFileList.GetColumns()->Find(4)->SetAlignment(xtpColumnTextRight);
m_xtFileList.GetColumns()->Find(4)->SetHeaderAlignment(DT_RIGHT);

m_xtFileList.GetReportHeader()->SetAutoColumnSizing(TRUE);
m_xtFileList.GetReportHeader()->AllowColumnResize(TRUE);
m_xtFileList.GetReportHeader()->AllowColumnRemove(FALSE);
m_xtFileList.GetReportHeader()->AllowColumnReorder(FALSE);
m_xtFileList.SetMultipleSelection(FALSE);
m_xtFileList.FocusSubItems(FALSE);
m_xtFileList.GetPaintManager()->SetColumnStyle(xtpReportColumnOffice2007);
m_xtFileList.Populate();


Hopefully I've not broken any forum rules in this post.  Many thanks for any help/advice that can be provided.

Chris.
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ChrisBamford View Drop Down
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Points: 8 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ChrisBamford Quote  Post ReplyReply Direct Link To This Post Posted: 30 June 2011 at 9:22am
Hi,

One work around I have found, which is not a perfect solution, is to find the deepest leaf in the tree and then add a child record to that leaf (call this pChild for example).

This helps force the column width of the parent record of pChild to be something more appropriate.

Thx, Chris.
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ABuenger View Drop Down
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Points: 1075 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ABuenger Quote  Post ReplyReply Direct Link To This Post Posted: 30 June 2011 at 12:56pm
Hi Martin and Chris,

could you create a small sample that demonstrates your problem and then attach it to a new ticket or here?

Andre
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