CFL in Matrix tab event

Hi All,
In my addon i hava a matix.In that first column when i press tab a list of items window should be get opened(from ITEM MASTER DATA) in a CFL,can anybody suggest me some coding for this????
regards,
shangai.

Hi
oForm.Freeze(True)
                                    Dim cflevent As SAPbouiCOM.ChooseFromListEvent = pVal
                                    Dim oCFLEvento As SAPbouiCOM.ChooseFromList
                                    Dim strUid As String = cflevent.ChooseFromListUID
                                    oCFLEvento = oForm.ChooseFromLists.Item(strUid)
                                    Dim oDataTable As SAPbouiCOM.DataTable = cflevent.SelectedObjects
                                    Try
                                        If strUid = CFL1 Then
                                            Try
                                                oMatrix.Columns.Item("col0").Cells.Item(pVal.Row).Specific.string = oDataTable.GetValue(0, 0)
                                            Catch ex As Exception
                                            End Try
                                        End If
Thanks..

Similar Messages

Cfl in matrix

Please any one help me how to add the cfl this matrix.
oNewItem = oOrderForm.Items.Add("Matrix1", SAPbouiCOM.BoFormItemTypes.it_MATRIX)
        oNewItem.Left = 100
        oNewItem.Width = 350
        oNewItem.Top = oItem.Top + (i - 1) * 25
        oNewItem.Height = 100
        oNewItem.Visible = True
        oMatrix = oNewItem.Specific
        oColumns = oMatrix.Columns
        oNewItem.FromPane = 9
        oNewItem.ToPane = 9
        oColumn = oColumns.Add("#", SAPbouiCOM.BoFormItemTypes.it_EDIT)
        oColumn.TitleObject.Caption = "#"
        oColumn.Width = 30
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        '// Add a column for BP Card Code
        oColumn = oColumns.Add("DSCardCode", SAPbouiCOM.BoFormItemTypes.it_COMBO_BOX)
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        oColumn.Width = 150
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Dear lakshmi narayanan,
First you need add the CFL before using it
           Dim oCFLs As SAPbouiCOM.ChooseFromListCollection
            oCFLs = oForm.ChooseFromLists
            Dim oCFL As SAPbouiCOM.ChooseFromList
            Dim oCFLCreationParams As SAPbouiCOM.ChooseFromListCreationParams
            oCFLCreationParams = SBO_Application.CreateObject(SAPbouiCOM.BoCreatableObjectType.cot_ChooseFromListCreationParams)
            oCFLCreationParams.MultiSelection = False
            oCFLCreationParams.ObjectType = "2"
            oCFLCreationParams.UniqueID = "CFL1"
            oCFL = oCFLs.Add(oCFLCreationParams)
then add the CLF into the Column
       ' Adding a User Data Source
        oForm.DataSources.UserDataSources.Add("EditDS", SAPbouiCOM.BoDataType.dt_SHORT_TEXT)
       ' Bind the Column with the UserDataSources
        oColumn.DataBind.SetBound(True, "", "EditDS")
        oColumn.ChooseFromListUID = "CFL1"
        oColumn.ChooseFromListAlias = "CardCode"
Best Regards
Jane Jing
SAP Business One Forums team

Filtering CFL on Matrix

Hi to all,
How can i filter the System CFL which is in Matrix Column. I have filtered the System CFL in Form but unable to do in CFL of Matrix.
What i am trying to do is Filtering The Project Code CFL in A/R Invoice
Here is the code i have
if (pVal.FormTypeEx == "133" & pVal.ColUID == "4")
                    if (pVal.InnerEvent & pVal.Before_Action)
                        BubbleEvent = false;
                        SAPbouiCOM.Form oForm;
                        SAPbouiCOM.Column oColumn;
                        SAPbouiCOM.ChooseFromList oCFL = null;
                        SAPbouiCOM.Conditions oCons = null;
                        try
                            oForm = SboApplication.Forms.Item(pVal.FormUID);
                            oCFL = (SAPbouiCOM.ChooseFromList)oForm.ChooseFromLists.Item("26");
                            //AddChooseFromList();
                            oCons = oCFL.GetConditions();
                            if (oCons.Count == 0)
                                SAPbouiCOM.Condition oCon = null;
                                oCon = oCons.Add();
                                oCon.Alias = "PrjCode";
                                oCon.Operation = SAPbouiCOM.BoConditionOperation.co_EQUAL;
                                oCon.CondVal = "000021";
                                oCFL.SetConditions(oCons);
                            BubbleEvent = true;
                        catch (Exception ex)
with regards
Bikram

hi maskey,
thanks for your reply, i have got the solution, the problem is due to the use same object in two different fields. i got the solutions.
regards
Bikram

Manually dispatching a keyboard tab event on a form does not work

Hi,
I am trying to solve the following issue:
I have a form that is sitting on a TitleWindow. This is a popup window. I have a TextInput field. After clicking on the TextInput field when I try to paste something on it, nothing happens the first time and it works i.e. I am able to paste when I do a cntrl V the second time (I am trying to solve this weired behavior). When I use the keyboard to tab to the TextInput field I am able to paste using cntrl V the first time itself.
Therefore, I am trying to manually dispatch a tab keyboard event on a form using the following code and this does not work. I have 2 TextInput component on the form and I want the cursor to be on the second TextInput component.
I have a have a key down handler and I can see that the event that comes in is a tab event, but on the UI the cursor does not position itself correctly.
myForm.setFocus();
myForm.dispatchEvent(
new KeyboardEvent(KeyboardEvent.KEY_UP, true, false, Keyboard.TAB,Keyboard.TAB ))
Am I missing something?
Appreciate your help.
Thanks
Lilly

No I am not trying to change the text programmatically. I have added a click event handler and a paste event handler on the textinput. I checked the differences in the properties of event and did not see anything that is different.
I have a hunch that it has something to do with the fact that this form is sitting on a popup window.

TAB event on Grid

Hi All,
I have taken one grid in that grid i bind four column in grid.
I want how to give TAB event on first column and bind automaticaly link button for details.
Like Purchasing - A/P module in Purchase order page.
In that in grid 'Item No' column give TAB open item no list and with this open Ling button for details of that item no.
Thanks,

Hi
Please see the Purchasing A/P module in that module plz open Purchase order form.
In Purchase order form when i give TAB on Vendor textbox open BP code and after when i select code it shows in that textbox and also shows the link button. When i click on link button opens details of related code.
And also in that form on grid of first column 'item no' give TAB open 'item no' list after selecting item no it shos in that column and link button also. And when i click on link button open details related to item no means another form.
I want do same thing.For that what i do.
I used two textbox txt_cstcode and txt_cstnm. When i give TAB on txt_cstcode open customer code list and also when i select it shows in that textbox. In this i want when i select code that time i want show link button like where used in purchase order form on vendor textbox. And i also want show details on that link button.
And i also bind grid in this i want same as what used in grid of purchase order form.
Thanks

CFL and Matrix

Hello,Team
I want to use CFL (object-id =171 emp details) in matrix column.
It is not getting copied values from CFL into matrix cell i used to do in normal textbox(not in matrix) but i dont know how to do with matrix
i trie like this.
If oCFL.UniqueID = "EMP" Then
oDH.setvalue ("U_Name", 0,oDT.GetValue("lastName", 0))
but not working
In normal text box this code is working.
By
Firos.C
Edited by: firoz101 on Jul 31, 2009 11:28 AM
Edited by: firoz101 on Jul 31, 2009 11:29 AM

Firoz
after setting the data to dbdatasource, call a SetLineData() or LoadFromDataSource() method for the matrix object.
Anoop

How to resue a tab (event) in PCUI?

Hi
I want to add a tab (event), which is in Blueprint application A, to a tab group in Application B.
what is the steps to realize it?
Thanks

To solve the problem, you have to add a new entry in the Application Set B ( in the scenario that you want to add the tab in application A to application B). The new entry should contain the model access class for the structure used by the field group of the tab. You can simply copy the entry for the structure from Application set A to Application set B if you are using the same structure.
To recap,
1. Find the event for the specific tab in the tab group of application A
2. Add the event to the tab group of application B
3. Copy the entry for the event in the application layout of application A to application B
4. Add the model access data for the structure in application set B
If the tab is exactly the same, you don't need to create any Z stuff.

CFL in matrix + manual values adding

Hi experts
I've got a matrix with CFL column. I can choose items via CFL but I would also like to write an item index manually. When I do so and press TAB I cannot lost focus on particular cell in the column, beacuse the program does not recognize the index. I bind the column with DBDataSource.
Shall I change sth in CFL creation parameters or do what?
Thanks in advance

Well it works with any item in the form, but when it comes to matrix it doesn't.
I must bind column with DbDataSource and maybe that's the reason. However I cannot bind it with userdatasource, beacuse then I cannot change once written value - the source stays with 1st version.
So I suppose DBdatasource is necessary, though as I mentioned I cannot put values manually then.
Am I doing something wrong or what?

CFL on matrix

Hi all,
Can someone help me?
When i select the row on my CFL popup i get nothing on my edit Textbox (it's a matrix column). At beginning i got the error "La référence d'objet n'est pas définie à une instance d'un objet" but now this error has desappear.
I have used screen painter to add the CFL.
Regards.

Hi,
I don't get the error message now but when i click on select button in the A/R Invoice popup i don't get something in my matrix column.
This is my choosefromlist item event code :
                    If pVal.EventType = SAPbouiCOM.BoEventTypes.et_CHOOSE_FROM_LIST Then
                        Dim oEdit As SAPbouiCOM.EditText
                        Dim oCFLEvento As SAPbouiCOM.IChooseFromListEvent
                        oCFLEvento = pVal
                        Dim sCFL_ID As String
                        sCFL_ID = oCFLEvento.ChooseFromListUID
                        Dim oCFL As SAPbouiCOM.ChooseFromList
                        oCFL = oForm.ChooseFromLists.Item(sCFL_ID)
                        If oCFLEvento.BeforeAction = False Then
                            Dim oDataTable As SAPbouiCOM.DataTable
                            oDataTable = oCFLEvento.SelectedObjects
                            'Dim val As String
                            Try
                                With oForm.DataSources.DBDataSources.Item("@FTACT")
                                    .SetValue("U_Fact", .Offset, oDataTable.GetValue(0, 0))
                                End With
                            Catch ex As Exception
                            End Try
                            If (pVal.ItemUID = "mtx_13") And (pVal.ColUID = "V_2") Then
                                Try
                                    oEdit = oForm.Items.Item("V_2").Specific
                                    oEdit.Value = oDataTable.GetValue(0, 0)
                                Catch ex As Exception
                                End Try
                            End If
                        End If
                    End If
Regards.

Catch Ctrl+Tab event

Hi guys,
I have created a UDO and I would like to be able to catch an event when the user presses ctrl+Tab in one of the matrix columns. How can I do this?
Thanks,
Costas

On the KEY_DOWN event you can check for modifiers - something like this:
if (pVal.CharPressed == 9 && pVal.Modifiers == SAPbouiCOM.BoModifiersEnum.mt_CTRL)
Obviously you need to add conditions to check the event is happening on the matrix, and on the column you want.

"Leave tab" event for tabs in TabStrip UI

Hi
I want to check that some input fields are valid and force users do not change Tab in TabStrip (until enter valid values for required fields) but I do not know is it possible this in Webdynpro? Does anybody know which is this event and may I use it in my WD Application?
In TabStrip there is action for OnSelect event but this is event when user enters in Tab. I need event when user exits the tab.

In BSP the tabStrip has a value "selection" which if you read the tabStrip to see the tab they selected you can store that value.
Then check if the fields are filled in if so then pass the stored value back to the "selection" parameter and if not give the name of the tab they were currently on back to the "selection" parameter.

Copied down row entries by CFL in Matrix

hello expert
i created one form which have one matrix and one add row button.matrix have three colum like name,lname and age.name colum have CFL.when i added one then one more row and selected contend of cfl in it work fine but after adding two row when i go to change the content of first row by cfl . its copied the entries of down row not select the coosing entries .pls help me sir
                                                                   thanx a lot

Hello expert
   for CFL i used this coading
                        If oCFL.UniqueID = "CFL_17" Then
                            Dim i As Integer
                            Dim j As Integer
                            Dim val1 As String
                            Dim val2 As String
                            Dim val3, val4 As String
                            Dim val5 As Integer
                            Dim oRecordSet As SAPbobsCOM.Recordset = objMain.objCompany.GetBusinessObject(SAPbobsCOM.BoObjectTypes.BoRecordset)
                            oMatrix = oForm.Items.Item("orad1").Specific
                            val1 = oDataTable.GetValue("Code", 0)
                            val2 = oDataTable.GetValue("U_TName", 0)
                            val3 = oDataTable.GetValue("U_TName", 0)
                            val4 = oDataTable.GetValue("U_TType", 0)
                            val5 = 1
                            For i = 0 To oDataTable.Rows.Count - 1
                                oMatrix.FlushToDataSource()
                                oForm.DataSources.DBDataSources.Add("@PACK8")
                                oForm.DataSources.DBDataSources.Item("@PACK8").SetValue("U_IRid", pVal.Row - 1, val1)
                                oForm.DataSources.DBDataSources.Item("@PACK8").SetValue("U_IRName", pVal.Row - 1, val2.ToString.Trim())
                                oForm.DataSources.DBDataSources.Item("@PACK8").SetValue("U_IRDesc", pVal.Row - 1, val3.ToString.Trim())
                                oForm.DataSources.DBDataSources.Item("@PACK8").SetValue("U_IRType", pVal.Row - 1, val4.ToString.Trim())
                                oForm.DataSources.DBDataSources.Item("@PACK8").SetValue("U_Qty", pVal.Row - 1, val5)
                                Dim RS As SAPbobsCOM.Recordset
                                RS = objMain.objCompany.GetBusinessObject(SAPbobsCOM.BoObjectTypes.BoRecordset)
                                RS.DoQuery("Select T2.ListName,T0.PriceList,T0.Price from ITM1 T0,OITM T1,OPLN T2 where T0.ItemCode = T1.ItemCode and T2.BASE_NUM=T0.PriceList and T1.ItemName='" & val4 & "' ")
                                RS.MoveFirst()
                                If (colItemRPriceList.ValidValues.Count <= 0) Then
                                    While RS.EoF = False
                                        Dim a, b As String
                                        a = RS.Fields.Item("PriceList").Value
                                        b = RS.Fields.Item("Price").Value
                                        colItemRPriceList.ValidValues.Add(RS.Fields.Item("ListName").Value, RS.Fields.Item("Price").Value)
                                        'colItemPriceList.Columns.Item("V_7").Cells.Item(pVal.Row).Specific.ValidValues.Add(RS.Fields.Item("PriceList").Value, RS.Fields.Item("Price").Value)
                                        RS.MoveNext()
                                    End While
                                End If
                                oMatrix.LoadFromDataSource()
                                oMatrix.SetLineData(pVal.Row)
                                If Not i = oDataTable.Rows.Count - 1 Then
                                    oMatrix.AddRow()
                                End If
                            Next
                        End If

Cfl for matrix

hi friends
i had created a form with a matrix and an editbox. i can apply the cfl for the editbox but i cant use the same for the first column of the matrix...can anyone provide any sample coding for this process
thanks and regards
manoj nagaraj

Hi
Look this. I think this code is complete.
Best regards
Sierdna S.
Public Sub SBO_CreateForm(...)
'... add controls to form, matrix, matrix columns,...
Call AddChooseFromList(oForm)
oForm.Visible = True
End Sub
Private Sub AddChooseFromList(ByRef oForm As SAPbouiCOM.Form)
Try
    Dim oCFLs As SAPbouiCOM.ChooseFromListCollection
    Dim oCons As SAPbouiCOM.Conditions
    Dim oCon As SAPbouiCOM.Condition
    oCFLs = oForm.ChooseFromLists
    Dim oCFL As SAPbouiCOM.ChooseFromList
    Dim oCFLCreationParams As SAPbouiCOM.ChooseFromListCreationParams
    oCFLCreationParams = SBO_Application.CreateObject(SAPbouiCOM.BoCreatableObjectType.cot_ChooseFromListCreationParams)
    ' CFL for Items ------------------------------
    oCFLCreationParams.MultiSelection = False
    oCFLCreationParams.ObjectType = 4
    ' Item Code
    oCFLCreationParams.UniqueID = "cflIC"
    oCFL = oCFLs.Add(oCFLCreationParams)
    oCons = oCFL.GetConditions()
    oCon = oCons.Add()
    ' Item Name
    oCFLCreationParams.UniqueID = "cflIN"
    oCFL = oCFLs.Add(oCFLCreationParams)
    oCons = oCFL.GetConditions()
    oCon = oCons.Add()
    ' CFL button
    oCFLCreationParams.UniqueID = "cflIB"
    oCFL = oCFLs.Add(oCFLCreationParams)
    oCons = oCFL.GetConditions()
    oCon = oCons.Add()
    Catch ex As Exception
      ' log exception
    Finally
      System.GC.Collect() 'Release the handle to the table
    End Try
End Function
Public Sub ManageItemEvent(ByVal FormUID As String, ByRef pVal As SAPbouiCOM.ItemEvent, ByRef BubbleEvent As Boolean)
Dim oForm As SAPbouiCOM.Form
oForm = SBO_Application.Forms.Item(FormUID)
Select Case pVal.EventType
    Case BoEventTypes.et_CHOOSE_FROM_LIST
      If Not pVal.BeforeAction Then
     Dim oCFLEvento As SAPbouiCOM.IChooseFromListEvent
     oCFLEvento = pVal
     Dim sCFL_ID As String
     sCFL_ID = oCFLEvento.ChooseFromListUID
     Dim oCFL As SAPbouiCOM.ChooseFromList
     oCFL = oForm.ChooseFromLists.Item(sCFL_ID)
     Dim oDataTable As SAPbouiCOM.DataTable
     oDataTable = oCFLEvento.SelectedObjects
     Dim sCode As String = ""
     Dim sName As String = ""
     Try
       sCode = oDataTable.GetValue(0, 0) ' Code
       sName = oDataTable.GetValue(1, 0) ' Name
     Catch ex As Exception
       sCode = ""
       sName = ""
       ' log exception
     End Try
     ' Rows
     If (pVal.ColUID = "colICode") Or (pVal.ColUID = "colIName") Then
       oForm.DataSources.DBDataSources.Item("@USER_TABLE").SetValue("U_ItemCode", pVal.Row, sCode)
       oForm.DataSources.DBDataSources.Item("@USER_TABLE").SetValue("U_ItemName", pVal.Row, sName)
       Call UpdateCells(oForm, pVal.Row, sCode, sName)
     End If
      End If
End Select
oForm = Nothing
End Sub
Private Function UpdateCells(ByRef oForm As SAPbouiCOM.Form, ByVal iRow As Integer, _
                    ByVal sCode As String, ByVal sName As String) As Boolean
Dim b As Boolean = True
Try
    Dim oMatrix As SAPbouiCOM.Matrix
    Dim oColumn As SAPbouiCOM.Column
    Dim oCell As SAPbouiCOM.Cell
    Dim oEdit As SAPbouiCOM.EditText
    ' MatrixID
    oMatrix = oForm.Items.Item(MatrixID).Specific
    oColumn = oMatrix.Columns.Item("colICode")
    oCell = oColumn.Cells.Item(iRow)
    oEdit = oCell.Specific
    oEdit.String = sCode
    oColumn = Nothing
    oCell = Nothing
    oEdit = Nothing
    oColumn = oMatrix.Columns.Item("colIName")
    oCell = oColumn.Cells.Item(iRow)
    oEdit = oCell.Specific
    oEdit.String = sName
    oColumn = Nothing
    oCell = Nothing
    oEdit = Nothing
    oMatrix = Nothing
Catch ex As Exception
    b = False
    ' log exception
Finally
    System.GC.Collect() 'Release the handle to the table
End Try
Return b
End Function

JTabbedPane detect close tab event.

How can I get a title of tab which user just close (in JTabbedPane)?? I tried ContainerListener and componentRemoved method, but I can't get appropriate String with title.
Any ideas?

One way is to use a change listener:
import java.awt.Dimension;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class GetDeletedTab
private static JTabbedPane tabbedPane = new JTabbedPane();
private static String[] workDays =
    "Monday", "Tuesday", "Wednesday", "Thursday", "Friday"
private static int currentIndex = -1;
private static int previousIndex = -1;
private static void createAndShowUI()
    for (String day : workDays)
      tabbedPane.addTab(day, new JPanel());
    currentIndex = tabbedPane.getSelectedIndex();
    tabbedPane.addChangeListener(new ChangeListener()
      public void stateChanged(ChangeEvent e)
        int index = tabbedPane.getSelectedIndex();
        if (index != currentIndex)
          previousIndex = currentIndex;
          currentIndex = index;
          if (previousIndex != -1)
            String currTabTitle = tabbedPane.getTitleAt(currentIndex);
            String prevTabTitle = tabbedPane.getTitleAt(previousIndex);
            System.out.println("Previous Tab Title was: " + prevTabTitle );
            System.out.println("Current Tab Title is: " + currTabTitle);
            System.out.println();
    JFrame frame = new JFrame("GetDeletedTab");
    JPanel cPane = (JPanel)frame.getContentPane();
    cPane.setPreferredSize(new Dimension(600, 400));
    cPane.add(tabbedPane);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
public static void main(String[] args)
    java.awt.EventQueue.invokeLater(new Runnable()
      public void run()
        createAndShowUI();
}

Override TAB event on components

I need to override the tab functionality on the last component on a panel. Below is the code, but it dosent work. Is there a problem with the approach ? Any help is appreciated.
     component.getInputMap()
               .put(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0),
                    "LastComponentTabAction");
     Action lastComponentAction = new AbstractAction("LastComponentTabAction"){
          public void actionPerformed(ActionEvent e) {
          log.error("e.getActionCommand1()" + e.getActionCommand());
     component.getActionMap().put("LastComponentTabAction",lastComponentAction);
I dont see the log message.
Ravi

Ravi,
The following code should work for you. It's generally not a good idea to override KeyboardFocusManager. If you are trying to log all user input, perhaps you should consider writing your own EventQueue. Also, please not that the code provide is just skeleton, to give an example. If you are to use this method I would further modify LogTabKeyboardFocusManager.
-Muel
import java.awt.Component;
import java.awt.Container;
import java.awt.DefaultKeyboardFocusManager;
import java.awt.KeyboardFocusManager;
import java.awt.event.ActionEvent;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.BoxLayout;
import javax.swing.InputMap;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
public class TabTest extends JFrame {
     public TabTest() {
          super("Tab test");
          setDefaultCloseOperation(EXIT_ON_CLOSE);
          Container cont = getContentPane();
          BoxLayout layout = new BoxLayout(cont, BoxLayout.Y_AXIS);
          cont.setLayout(layout);
          JComponent last = null;
          for (int i=0; i<5; i++) {
               JTextField field = new JTextField();
               if (i == 4) last = field;
               cont.add(field);
          String action = "LastComponentTabAction";
          InputMap map = last.getInputMap(JComponent.WHEN_FOCUSED);
          map.put(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0), action);
          map.put(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, InputEvent.SHIFT_MASK), action);
          Action lastComponentAction = new AbstractAction(action) {
               public void actionPerformed(ActionEvent e) {
                    System.out.println("e.getActionCommand1()" + e.getActionCommand());
          last.getActionMap().put(action,lastComponentAction);
          KeyboardFocusManager.setCurrentKeyboardFocusManager(new LogTabKeyboardFocusManager(last));
          last.getActionMap().put(action,lastComponentAction);
          pack();
          setSize(200, getHeight());
          setLocationRelativeTo(null);
          setVisible(true);
     public static void main(String[] args) {
          new TabTest();
     protected static class LogTabKeyboardFocusManager extends DefaultKeyboardFocusManager {
          private JComponent comp;
          public LogTabKeyboardFocusManager(JComponent comp) {
               this.comp = comp;
          public void processKeyEvent(Component focusedComponent, KeyEvent e) {
               if (focusedComponent != comp) {
                    super.processKeyEvent(focusedComponent, e);
               else {
                    if (e.getKeyCode() == KeyEvent.VK_TAB && e.getID() == KeyEvent.KEY_PRESSED) {
                         if (e.isShiftDown()) {
                              focusPreviousComponent(comp);
                         else {
                              focusNextComponent(comp);
}

CFL in Matrix tab event

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