How to add/remove table columns dynamically?

Please help urgently!

Don't access the view layout (UI element references) in action event handlers. You have to place this code in wdDoModifyView().
In the action handler, store the information needed (e.g. table column ID, insertion position, whatever) in some context attribute or in some member variable of the view.
In wdDoModifyView(), check if table modification should be done, get the table instance using view.getElement(<tableID>), use the IWDTable API to modify the table.
Finally, reset the flag or configuration data indicating that the table should have been modified.
This is not really elegant, but that's the way it is...
Armin

Similar Messages

How to control internal table columns dynamically based on input

i have 2 fields in the selection screen - user and tcode
we can give any number of tcodes as in put
based on requirement i need to display all the tcodes belongs to one user in one row
in other words
the out put table columns should increase dynamically based on number of tcodes entered
in the input
how to do this?
Edited by: tummala swapna on Apr 7, 2009 11:55 AM

This may be useful to you..
FIELD-SYMBOLS : <FS_TABLE> TYPE ANY TABLE.
DATA: DREF TYPE REF TO DATA,
      WA_DREF TYPE REF TO DATA,
      DY_LINE TYPE REF TO DATA,
      ITAB_TYPE TYPE REF TO CL_ABAP_TABLEDESCR,
      WA_TYPE TYPE REF TO CL_ABAP_STRUCTDESCR,
      STRUCT_TYPE TYPE REF TO CL_ABAP_STRUCTDESCR,
      ELEM_TYPE TYPE REF TO CL_ABAP_ELEMDESCR,
      COMP_TAB TYPE CL_ABAP_STRUCTDESCR=>COMPONENT_TABLE,
      COMP_FLD TYPE CL_ABAP_STRUCTDESCR=>COMPONENT,
      OTAB TYPE ABAP_SORTORDER_TAB,
      OLINE TYPE ABAP_SORTORDER.
BEGIN DYNAMIC STRUCTURE FOR FINAL INTERNAL TABLE @@@@@@@@@@@@@@@@@@
STRUCT_TYPE ?= CL_ABAP_TYPEDESCR=>DESCRIBE_BY_NAME('table or structure name').
COMP_TAB = STRUCT_TYPE->GET_COMPONENTS( ).
STRUCT_TYPE = CL_ABAP_STRUCTDESCR=>CREATE( COMP_TAB ).
ITAB_TYPE = CL_ABAP_TABLEDESCR=>CREATE( STRUCT_TYPE ).
CREATE DATA DREF TYPE HANDLE ITAB_TYPE.
ASSIGN DREF->* TO <FS_TABLE>.
END DYNAMIC STRUCTURE FOR FINAL INTERNAL TABLE @@@@@@@@@@@@@@@@@@

How to create table columns dynamically ?

Hi All,
I am working on an SSRS report that will show sales in the past 5 years. If the user selected to view sales of past 3 years he will only see 3 columns. so How can I create table columns dynamically at run time and how can I make sure that their dimensions
will adjust to fit the report page size.

Hi Developer life,
According to your description that you want to dynamically increase and decrease the numbers of the columns in the table, right?
As Jason A Long mentioned that we can use the matrix to do this and put the year field in the column group, amount fields(Numric values) in the details, add an filter to filter the data base on this column group, but if
the data in the DB not suitable to add to the matrix directly, you can use the unpivot function to turn the column name of year to a single row and then you can add it in the column group.
If there are too many columns in the column group, it will fit the page size automatically and display the extra columns in the next page.
Similar threads with details steps for your reference:
https://social.technet.microsoft.com/Forums/en-US/339965a1-8cca-41d8-83ef-c2548050799a/ssrs-dataset-column-metadata-dynamic-update?forum=sqlreportings
If your still have any problem, please try to provide us more details information, such as the data structure in the DB and the table structure you are currently designing.
Any question, please feel free to let me know.
Best Regards
Vicky Liu

How to add new field into dynamic internal table

Hello Expert.
how to add new field into dynamic internal table.
PARAMETERS: P_TABLE(30).    "table name
DATA: I_TAB TYPE REF TO DATA.
FIELD-SYMBOLS: <TAB> TYPE standard TABLE.
*Create dynamic FS
create DATA I_TAB TYPE TABLE OF (p_table).
ASSIGN I_TAB->* TO <TAB>.
SELECT * FROM (p_table) INTO TABLE <TAB>.
   here i want to add one more field into <TAB> at LAST position and my
   Field name = field_stype     and
   Field type    = 'LVC_T_STYL'
could you please helpme out .

Hi,
Please find the code below.You can add the field acc to your requirement.
Creating Dynamic internal table
TYPE-POOLS: slis.
FIELD-SYMBOLS: <t_dyntable> TYPE STANDARD TABLE, u201C Dynamic internal table name
               <fs_dyntable>,                     u201C Field symbol to create work area
               <fs_fldval> type any.              u201C Field symbol to assign values
PARAMETERS: p_cols(5) TYPE c.                     u201C Input number of columns
DATA:   t_newtable TYPE REF TO data,
        t_newline TYPE REF TO data,
        t_fldcat   TYPE slis_t_fldcat_alv,
        t_fldcat   TYPE lvc_t_fcat,
        wa_it_fldcat TYPE lvc_s_fcat,
        wa_colno(2) TYPE n,
        wa_flname(5) TYPE c.
Create fields .
DO p_cols TIMES.
    CLEAR wa_it_fldcat.
    move sy-index to wa_colno.
    concatenate 'COL'
                wa_colno
           into wa_flname.
    wa_it_fldcat-fieldname = wa_flname.
    wa_it_fldcat-datatype = 'CHAR'.
    wa_it_fldcat-intlen = 10.
    APPEND wa_it_fldcat TO t_fldcat.
ENDDO.
Create dynamic internal table and assign to FS
CALL METHOD cl_alv_table_create=>create_dynamic_table
    EXPORTING
      it_fieldcatalog = t_fldcat
    IMPORTING
      ep_table        = t_newtable.
ASSIGN t_newtable->* TO <t_dyntable>.
Create dynamic work area and assign to FS
CREATE DATA t_newline LIKE LINE OF <t_dyntable>.
ASSIGN t_newline->* TO <fs_dyntable>.
Populating Dynamic internal table
DATA: fieldname(20) TYPE c.
DATA: fieldvalue(10) TYPE c.
DATA: index(3) TYPE c.
DO p_cols TIMES.
    index = sy-index.
    MOVE sy-index TO wa_colno.
    CONCATENATE 'COL'
                wa_colno
           INTO wa_flname.
Set up fieldvalue
    CONCATENATE 'VALUE' index INTO
                fieldvalue.
    CONDENSE    fieldvalue NO-GAPS.
    ASSIGN COMPONENT wa_flname
        OF STRUCTURE <fs_dyntable> TO <fs_fldval>.
    <fs_fldval> = fieldvalue.
ENDDO.
Append to the dynamic internal table
APPEND <fs_dyntable> TO <t_dyntable>.
Displaying dynamic internal table using Grid.
DATA: wa_cat LIKE LINE OF fs_fldcat.
DO p_cols TIMES.
    CLEAR wa_cat.
    MOVE sy-index TO wa_colno.
    CONCATENATE 'COL'
                wa_colno
           INTO wa_flname.
    wa_cat-fieldname = wa_flname.
    wa_cat-seltext_s = wa_flname.
    wa_cat-outputlen = '10'.
    APPEND wa_cat TO fs_fldcat.
ENDDO.
Call ABAP List Viewer (ALV)
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
    EXPORTING
      it_fieldcat = fs_fldcat
    TABLES
      t_outtab    = <t_dyntable>.

How to add a new column (Project Number) in the action items table under NPD Module?

There are two projects with same name and created by same person in NPD.
So when it is displayed in "Action Items" table, It looks similar.
To avoid this, I need one more column (Project Number) to be added in the "Action Items" table and " Strategic briefs and projects" table.
So, How to add a new column (Project Number) in the "Action Items" table and " Strategic briefs and projects" table under NPD Module?
Please do the needful.

There is no out of the box configuration available to add columns to NPD action items. As always we welcome enhancement requests.
Thanks
Kelly

How to add an unique column to an existing table?

How to add an unique column to an existing table?
I have a large table which has no unique constraint. and I want to add an unique column for it. How to do it?
Does adding a sequence is a good choice? How to do it?
Thank you

Hi,
alter table tablename
add constraint contraint_name unique (columnname);but before that you need to check in the table.column there is no duplicate record exist.
Does adding a sequence is a good choice?
Your talking about unique constraint then yes.
Regards,
Taj

How to add a checkbox to dynamic itab so that i can select some records

How to add a checkbox to dynamic itab so that i can select some records in the alv and can display them in another alv using a button
I have requirement where i have to display the dynamic itab records in an alv ....Some records from this alv output has to be selected through checkbox provided in the first column .( I will get to know the structure of the itab only at runtime ,so iam using dynamic itab)

Hi,
   I tried and finally i got it , Just try for it.
type-pools : slis.
PARAMETERS : p_tab type dd02l-tabname.
data : ref_tabletype type REF TO cl_abap_tabledescr,
       ref_rowtype TYPE REF TO cl_abap_structdescr.
field-symbols : <lt_table> type   standard TABLE ,
       <fwa> type any,
       <field> type abap_compdescr.
data : lt_fcat type lvc_t_fcat,
       ls_fcat type lvc_s_fcat,
       lt_fldcat type SLIS_T_FIELDCAT_ALV,
       ls_fldcat like line of lt_fldcat.
data : ref_data type REF TO data,
        ref_wa type ref to data.
ref_rowtype ?= cl_abap_typedescr=>DESCRIBE_BY_name( p_name = p_tab ).
TRY.
CALL METHOD cl_abap_tabledescr=>create
EXPORTING
    p_line_type = ref_rowtype
receiving
    p_result     = ref_tabletype.
CATCH cx_sy_table_creation .
write : / 'Object Not Found'.
ENDTRY.
*creating object.
create data ref_data type handle ref_tabletype.
create data ref_wa type handle ref_rowtype.
*value assignment.
ASSIGN ref_data->* to <lt_table>.
assign ref_wa->* to <fwa>.
loop at ref_rowtype->components ASSIGNING <field>.
ls_fcat-fieldname = <field>-name.
ls_fcat-ref_table = p_tab.
append ls_fcat to lt_fcat.
if lt_fldcat[] is INITIAL.
    ls_fldcat-fieldname = 'CHECKBOX'.
    ls_fldcat-checkbox = 'X'.
    ls_fldcat-edit = 'X'.
    ls_fldcat-seltext_m = 'Checkbox'.
    append ls_fldcat to lt_fldcat.
endif.
clear ls_fldcat.
ls_fldcat-fieldname = <field>-name.
ls_fldcat-ref_tabname = p_tab.
append ls_fldcat to lt_fldcat.
endloop.
loop at lt_fldcat into ls_fldcat.
if sy-tabix = 1.
    ls_fldcat-checkbox = 'X'.
    ls_fldcat-edit = 'X'.
modify lt_fldcat FROM ls_fldcat
    TRANSPORTING checkbox edit.
endif.
endloop.
CALL METHOD cl_alv_table_create=>create_dynamic_table
EXPORTING
    it_fieldcatalog           = lt_fcat[]
IMPORTING
    ep_table                  = ref_data.
assign ref_data->* to <lt_table>.
select * FROM (p_tab) into table <lt_table>.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
   IT_FIELDCAT                       = lt_fldcat[]
TABLES
    t_outtab                          = <lt_table>.
Thanks & Regards,
Raghunadh .K

How to add a table(from TableRenderDemo) to a JFrame again

Hello again:
Thanks for stephen andrews's adivice, I follow your adivice to add code (it is in
EventHandeler of DrawCalendar class, and they indicated by ???????????), but it still not work, please check for me why, Thanks.
My problem
Please run my coding first, and get some view from my coding.
At the movement, I got a problem, I have not idea how to add a table(it is from TableRenderDemo) to JFrame when I click on the button(from DrawCalendar) of the numer 20, and I want the table disply under the buttons(from DrawCalendar).
Please help me to solve this problem, thanks.
*This program for add some buttons and a table on JFrame
import java.awt.*;
import javax.swing.*;public class TestMain extends JFrame{
private static TableRenderDemo tRD;
private static TestMain tM;
protected static Container c;
private static DrawCalendar dC;
public static void main(String[] args){
tM = new TestMain();
tM.setVisible(true);
     public TestMain(){
     super(" Test");
     setSize(800,600);
//set up layoutManager
c=getContentPane();
c.setLayout ( new GridLayout(3,1));
tRD=new TableRenderDemo();
dC=new DrawCalendar();
addItems();//add Buttons to JFrame
private void addItems(){
     c.add(dC); //add Buttons to JFrame
     //c.add(tRD); //add Table to JFrame
*This program for add some buttons to JPanel
*and add listeners to each button
*I want to display myTable under the buttons,
*when I click on number 20, but why it doesn't
*work, The coding for these part are indicated by ??????????????
[import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.GridLayout;
public class DrawCalendar extends JPanel {
     private static DrawCalendar dC;
     private static TestMain tM;
     private static TableRenderDemo myTable;
     private static GridLayout gL;
     private static final int nlen = 35;
    private static String names[] = new String[nlen];
private static JButton buttons[] = new JButton[nlen];
     public DrawCalendar(){
          gL=new GridLayout(5,7,0,0);
          setLayout(gL);
          assignValues();
          addJButton();
          registerListener();
//assign values to each button
     private void assignValues(){
          names = new String[35];
     for(int i = 0; i < names.length; i++)
     names[i] = Integer.toString(i + 1);
//create buttons and add them to Jpanel
private void addJButton(){
     buttons=new JButton[names.length];
     for (int i=0; i<names.length; i++){
     buttons=new JButton(names[i]);
     buttons[i].setBorder(null);
     buttons[i].setBackground(Color.white);
     buttons[i].setFont(new Font ("Palatino", 0,8));
add(buttons[i]);
//add listeners to each button
private void registerListener(){
     for(int i=0; i<35; i++)
          buttons[i].addActionListener(new EventHandler());
//I want to display myTable under the buttons,
//when I click on number 20, but why it doesn't
//work
private class EventHandler implements ActionListener{
     public void actionPerformed(ActionEvent e){
     for(int i=0; i<35; i++){
     if(i==20){                  //????????????????????
          tM=new TestMain(); //I want to display myTable under the buttons,
          tM.c.removeAll(); //when I click on number 20, but why it doesn't
          tM.c.add(dC); //work
          tM.c.add(myTable); //???????????????????????????????????????
          tM.validate();
     if(e.getSource()==buttons[i]){
     System.out.println("testing " + names[i]);
     break;
*This program create a table with some data
[import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableColumn;
import javax.swing.DefaultCellEditor;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class TableRenderDemo extends JScrollPane {
    private boolean DEBUG = true;
    public TableRenderDemo() {
      // super("TableRenderDemo");
        MyTableModel myModel = new MyTableModel();
        JTable table = new JTable(myModel);
        table.setPreferredScrollableViewportSize(new Dimension(700, 70));//500,70
         //Create the scroll pane and add the table to it.
         setViewportView(table);
        //Set up column sizes.
        initColumnSizes(table, myModel);
        //Fiddle with the Sport column's cell editors/renderers.
        setUpSportColumn(table.getColumnModel().getColumn(2));
* This method picks good column sizes.
* If all column heads are wider than the column's cells'
* contents, then you can just use column.sizeWidthToFit().
private void initColumnSizes(JTable table, MyTableModel model) {
TableColumn column = null;
Component comp = null;
int headerWidth = 0;
int cellWidth = 0;
Object[] longValues = model.longValues;
for (int i = 0; i < 5; i++) {
column = table.getColumnModel().getColumn(i);
try {
comp = column.getHeaderRenderer().
getTableCellRendererComponent(
null, column.getHeaderValue(),
false, false, 0, 0);
headerWidth = comp.getPreferredSize().width;
} catch (NullPointerException e) {
System.err.println("Null pointer exception!");
System.err.println(" getHeaderRenderer returns null in 1.3.");
System.err.println(" The replacement is getDefaultRenderer.");
comp = table.getDefaultRenderer(model.getColumnClass(i)).
getTableCellRendererComponent(
table, longValues[i],
false, false, 0, i);
cellWidth = comp.getPreferredSize().width;
if (DEBUG) {
System.out.println("Initializing width of column "
+ i + ". "
+ "headerWidth = " + headerWidth
+ "; cellWidth = " + cellWidth);
//XXX: Before Swing 1.1 Beta 2, use setMinWidth instead.
column.setPreferredWidth(Math.max(headerWidth, cellWidth));
public void setUpSportColumn(TableColumn sportColumn) {
//Set up the editor for the sport cells.
JComboBox comboBox = new JComboBox();
comboBox.addItem("Snowboarding");
comboBox.addItem("Rowing");
comboBox.addItem("Chasing toddlers");
comboBox.addItem("Speed reading");
comboBox.addItem("Teaching high school");
comboBox.addItem("None");
sportColumn.setCellEditor(new DefaultCellEditor(comboBox));
//Set up tool tips for the sport cells.
DefaultTableCellRenderer renderer =
new DefaultTableCellRenderer();
renderer.setToolTipText("Click for combo box");
sportColumn.setCellRenderer(renderer);
//Set up tool tip for the sport column header.
TableCellRenderer headerRenderer = sportColumn.getHeaderRenderer();
if (headerRenderer instanceof DefaultTableCellRenderer) {
((DefaultTableCellRenderer)headerRenderer).setToolTipText(
"Click the sport to see a list of choices");
class MyTableModel extends AbstractTableModel {
final String[] columnNames = {"First Name",
"Last Name",
"Sport",
"# of Years",
"Vegetarian"};
final Object[][] data = {
{"Mary ", "Campione",
"Snowboarding", new Integer(5), new Boolean(false)},
{"Alison", "Huml",
"Rowing", new Integer(3), new Boolean(true)},
{"Kathy", "Walrath",
"Chasing toddlers", new Integer(2), new Boolean(false)},
{"Sharon", "Zakhour",
"Speed reading", new Integer(20), new Boolean(true)},
{"Angela", "Lih",
"Teaching high school", new Integer(4), new Boolean(false)}
public final Object[] longValues = {"Angela", "Andrews",
"Teaching high school",
new Integer(20), Boolean.TRUE};
public int getColumnCount() {
return columnNames.length;
public int getRowCount() {
return data.length;
public String getColumnName(int col) {
return columnNames[col];
public Object getValueAt(int row, int col) {
return data[row][col];
* JTable uses this method to determine the default renderer/
* editor for each cell. If we didn't implement this method,
* then the last column would contain text ("true"/"false"),
* rather than a check box.
public Class getColumnClass(int c) {
return getValueAt(0, c).getClass();
* Don't need to implement this method unless your table's
* editable.
public boolean isCellEditable(int row, int col) {
//Note that the data/cell address is constant,
//no matter where the cell appears onscreen.
if (col < 2) {
return false;
} else {
return true;
* Don't need to implement this method unless your table's
* data can change.
public void setValueAt(Object value, int row, int col) {
if (DEBUG) {
System.out.println("Setting value at " + row + "," + col
+ " to " + value
+ " (an instance of "
+ value.getClass() + ")");
if (data[0][col] instanceof Integer
&& !(value instanceof Integer)) {
//With JFC/Swing 1.1 and JDK 1.2, we need to create
//an Integer from the value; otherwise, the column
//switches to contain Strings. Starting with v 1.3,
//the table automatically converts value to an Integer,
//so you only need the code in the 'else' part of this
//'if' block.
try {
data[row][col] = new Integer(value.toString());
fireTableCellUpdated(row, col);
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(TableRenderDemo.this,
"The \"" + getColumnName(col)
+ "\" column accepts only integer values.");
} else {
data[row][col] = value;
fireTableCellUpdated(row, col);
if (DEBUG) {
System.out.println("New value of data:");
printDebugData();
private void printDebugData() {
int numRows = getRowCount();
int numCols = getColumnCount();
for (int i=0; i < numRows; i++) {
System.out.print(" row " + i + ":");
for (int j=0; j < numCols; j++) {
System.out.print(" " + data[i][j]);
System.out.println();
System.out.println("--------------------------");

http://forum.java.sun.com/faq.jsp#format

How to test BLOB Table Column in BCBrowser??

Hi,
My requirement is to upload a file(pdf,doc,jpg, txt) into DB using ADF.
I use, Jdev 11.1.1.6, Oracle 10g XE.
For this, I created the following
1. A table as MyFilesTab(ID Number, FileName Varchar2(80), File BLOB)
2. An Entity Object MyFilesEO on MyFilesTab.
3. Generated a default view object: MyFilesVO
4. Application Module : TestAM with view instance "MyFiles"
But When I run TestAM, I see MyFiles as an Input textbox. So I cannot able to add a file that will be stored in my Table.
Please help me out.

Just to clarify, my previous post is related to title of this thread("How to test BLOB Table Column in BCBrowser??"),
and not to "My requirement is to upload a file(pdf,doc,jpg, txt) into DB using ADF"
Dario

How to add a new column to specific position

Hi,
How to add a new column to specified position in a existing table.
I have using the oracle database 10g.
This below code is not working in oracle 10 g
example:
ALTER TABLE EMPLOYEE ADD DEPT NUMBER FIRST:
ALTER TABLE EMPLOYEE ADD DEPT NUMBER AFTER JOB:
Please provide the correct syntax.

Hi,
When you add a column to the existing table, the column added i.e., for ex updatedon appers in the last. If you want the columns to be
displayed in Specific order. Just give the column names in the SELECT.. statement.
For your Information, But it is not good in Table design. Just to give something useful.
If you want to add a column at a specified position,
Rename the position column to the new column name
For Ex: (OLD_COLUMN_NAME-Hiredate)
ALTER TABLE EMP RENAME COLUMN OLD_COLUMN_NAME TO TEMP_HIREDATE;Add a New Column to Table
ALTER TABLE EMP ADD LAST_DATE DATE;Then, Alter the Table to rename the new column that is added.
ALTER TABLE EMP RENAME COLUMN LAST_DATE TO OLD_COLUMN_NAME;And, Rename TEMP_HIREDATE to your actual collumn.
ALTER TABLE EMP RENAME COLUMN TEMP_HIREDATE TO LAST_DATE;In practise, this won't be a good approach but you can get something useful about renaming the
column atleast.
Thanks,
Shankar

How to add a table(from TableRenderDemo) to a JFrame?

Hello:
Please run my coding first, and get some idea what's going on for my coding.
At the movement, I got a problem, I have not idea how to add a table(it is from TableRenderDemo) to JFrame when I click on the button(from DrawCalendar) of the numer 20, and I want the table disply under the buttons(from DrawCalendar).
Please help me to solve this problem, thanks.
/* this program for adding some Button to JPanel, and also adding some listeners to each button
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.GridLayout;
public class DrawCalendar extends JPanel {
private static DrawCalendar dC;
private static GridLayout gL;
private static Container c;
private static String names[]={"1","2","3","4","5","6","7","8","9","10","11","12","13","14",
"15","16","17","18","19","20","21","22","23","24","25","26",
"27","28","29","30","31","32","33","34","35"};
private static String num;
private static JButton buttons[];
public DrawCalendar(){
gL=new GridLayout(5,7,0,0);
setLayout(gL);
addJButton(); //add buttons to Panel
registerListener();//add Listener to buttons
//add Buttons to JButtons and put the label for each button
private void addJButton(){
buttons=new JButton[names.length];
for (int i=0; i<names.length; i++){
buttons=new JButton(names);
buttons.setBorder(null);
buttons.setBackground(Color.white);
buttons.setFont(new Font ("Palatino", 0,8));
add(buttons);
private void registerListener(){
for(int i=0; i<35; i++)
buttons.addActionListener(new EventHandler());//add EventHandler to each button
private class EventHandler implements ActionListener{
public void actionPerformed(ActionEvent e){
for(int i=0; i<35; i++){
if(e.getSource()==buttons){
System.out.println("testing " + names);
break;
/*The program for adding a table to JPanel
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableColumn;
import javax.swing.DefaultCellEditor;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.JScrollPane;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.JOptionPane;
import java.awt.*;
import java.awt.event.*;
public class TableRenderDemo extends JScrollPane {
private boolean DEBUG = true;
public TableRenderDemo() {
// super("TableRenderDemo");
MyTableModel myModel = new MyTableModel();
JTable table = new JTable(myModel);
table.setPreferredScrollableViewportSize(new Dimension(700, 70));//500,70
//Create the scroll pane and add the table to it.
//JScrollPane scrollPane = new JScrollPane(table);
setViewportView(table);
//Set up column sizes.
initColumnSizes(table, myModel);
//Fiddle with the Sport column's cell editors/renderers.
setUpSportColumn(table.getColumnModel().getColumn(2));
//Add the scroll pane to this window.
//getContentPane().add(scrollPane, BorderLayout.CENTER);
// addWindowListener(new WindowAdapter() {
// public void windowClosing(WindowEvent e) {
// System.exit(0);
* This method picks good column sizes.
* If all column heads are wider than the column's cells'
* contents, then you can just use column.sizeWidthToFit().
private void initColumnSizes(JTable table, MyTableModel model) {
TableColumn column = null;
Component comp = null;
int headerWidth = 0;
int cellWidth = 0;
Object[] longValues = model.longValues;
for (int i = 0; i < 5; i++) {
column = table.getColumnModel().getColumn(i);
try {
comp = column.getHeaderRenderer().
getTableCellRendererComponent(
null, column.getHeaderValue(),
false, false, 0, 0);
headerWidth = comp.getPreferredSize().width;
} catch (NullPointerException e) {
System.err.println("Null pointer exception!");
System.err.println(" getHeaderRenderer returns null in 1.3.");
System.err.println(" The replacement is getDefaultRenderer.");
comp = table.getDefaultRenderer(model.getColumnClass(i)).
getTableCellRendererComponent(
table, longValues,
false, false, 0, i);
cellWidth = comp.getPreferredSize().width;
if (DEBUG) {
System.out.println("Initializing width of column "
+ i + ". "
+ "headerWidth = " + headerWidth
+ "; cellWidth = " + cellWidth);
//XXX: Before Swing 1.1 Beta 2, use setMinWidth instead.
column.setPreferredWidth(Math.max(headerWidth, cellWidth));
public void setUpSportColumn(TableColumn sportColumn) {
//Set up the editor for the sport cells.
JComboBox comboBox = new JComboBox();
comboBox.addItem("Snowboarding");
comboBox.addItem("Rowing");
comboBox.addItem("Chasing toddlers");
comboBox.addItem("Speed reading");
comboBox.addItem("Teaching high school");
comboBox.addItem("None");
sportColumn.setCellEditor(new DefaultCellEditor(comboBox));
//Set up tool tips for the sport cells.
DefaultTableCellRenderer renderer =
new DefaultTableCellRenderer();
renderer.setToolTipText("Click for combo box");
sportColumn.setCellRenderer(renderer);
//Set up tool tip for the sport column header.
TableCellRenderer headerRenderer = sportColumn.getHeaderRenderer();
if (headerRenderer instanceof DefaultTableCellRenderer) {
((DefaultTableCellRenderer)headerRenderer).setToolTipText(
"Click the sport to see a list of choices");
class MyTableModel extends AbstractTableModel {
final String[] columnNames = {"First Name",
"Last Name",
"Sport",
"# of Years",
"Vegetarian"};
final Object[][] data = {
{"Mary ", "Campione",
"Snowboarding", new Integer(5), new Boolean(false)},
{"Alison", "Huml",
"Rowing", new Integer(3), new Boolean(true)},
{"Kathy", "Walrath",
"Chasing toddlers", new Integer(2), new Boolean(false)},
{"Sharon", "Zakhour",
"Speed reading", new Integer(20), new Boolean(true)},
{"Angela", "Lih",
"Teaching high school", new Integer(4), new Boolean(false)}
public final Object[] longValues = {"Angela", "Andrews",
"Teaching high school",
new Integer(20), Boolean.TRUE};
public int getColumnCount() {
return columnNames.length;
public int getRowCount() {
return data.length;
public String getColumnName(int col) {
return columnNames[col];
public Object getValueAt(int row, int col) {
return data[row][col];
* JTable uses this method to determine the default renderer/
* editor for each cell. If we didn't implement this method,
* then the last column would contain text ("true"/"false"),
* rather than a check box.
public Class getColumnClass(int c) {
return getValueAt(0, c).getClass();
* Don't need to implement this method unless your table's
* editable.
public boolean isCellEditable(int row, int col) {
//Note that the data/cell address is constant,
//no matter where the cell appears onscreen.
if (col < 2) {
return false;
} else {
return true;
* Don't need to implement this method unless your table's
* data can change.
public void setValueAt(Object value, int row, int col) {
if (DEBUG) {
System.out.println("Setting value at " + row + "," + col
+ " to " + value
+ " (an instance of "
+ value.getClass() + ")");
if (data[0][col] instanceof Integer
&& !(value instanceof Integer)) {
//With JFC/Swing 1.1 and JDK 1.2, we need to create
//an Integer from the value; otherwise, the column
//switches to contain Strings. Starting with v 1.3,
//the table automatically converts value to an Integer,
//so you only need the code in the 'else' part of this
//'if' block.
try {
data[row][col] = new Integer(value.toString());
fireTableCellUpdated(row, col);
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(TableRenderDemo.this,
"The \"" + getColumnName(col)
+ "\" column accepts only integer values.");
} else {
data[row][col] = value;
fireTableCellUpdated(row, col);
if (DEBUG) {
System.out.println("New value of data:");
printDebugData();
private void printDebugData() {
int numRows = getRowCount();
int numCols = getColumnCount();
for (int i=0; i < numRows; i++) {
System.out.print(" row " + i + ":");
for (int j=0; j < numCols; j++) {
System.out.print(" " + data[j]);
System.out.println();
System.out.println("--------------------------");
*This is a main progarm, it is for adding some buttons to Frame
import java.awt.*;
import javax.swing.*;
public class TestMain extends JFrame{
private static TableRenderDemo tRD;
private static TestMain tM;
private static Container c;
private static DrawCalendar dC;
public static void main(String[] args){
tM = new TestMain();
tM.setVisible(true);
public TestMain(){
super(" Test");
setSize(800,600);
//set up layoutManager
c=getContentPane();
c.setLayout ( new GridLayout(3,1));
tRD=new TableRenderDemo();
dC=new DrawCalendar();
addItems();//add Buttons to JFrame
private void addItems(){
//c.add(dC); //add Buttons to JFrame
c.add(tRD); //add Table to JFrame

http://forum.java.sun.com/faq.jsp#format

How to ADD reference table and make a field as currency field in dictionary

pls render some info on how to add refernce table and ref field if i want to make an added field as a currency or quantity field...

Hi Kiran,
It sounds like you are creating a "Z" table or structure and have defined a quantity (eg MENGE). But when you run the syntax check, the system is saying you need to define a reference table / field.
Well when you are in SE11, click on the "Currency / Quantity Fields" tab. You will see 2 columns called "Reference Table" and "Reference Field". These 2 columns define the unit of measure for the currency / qty.
If you have defined in your table MENGE and MEINS and the MEINS field is the unit of measure for the MENGE field you should define your fields as such (inthe Currency/Quantity Fields" tab:
Table - ZVBAP
MENGE MENGE_D QUAN ZVBAP MEINS
MEINS MEINS UNIT
Hope this makes sense.
Cheers,
Pat.
PS. Kindly assign Reward Points to the posts you find helpful.

How to add internal table fileds in Text module in smart forms

Hi Friends,
How to add internal table fileds in Text module in smart forms?
Thanks & Regards,
Vallamuthu.M

Hi Vallamuthu ,
how did you solve your problem?
thanks,

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Hello all,
I have a problem i need to create dynamically tables based on the no of records in the database. How can i create the table object using java code.
Please help.

Winston's blog will probably be helpful:
How to create a table component dynamically:
http://blogs.sun.com/roller/page/winston?entry=creating_dynamic_table
Adding components to a dynamically created table
http://blogs.sun.com/roller/page/winston?entry=dynamic_button_table
Lark
Creator Team

How to add a table layout in CRM Sales order?

dear all ,
anyone know how to add a table layout in CRM sales order customer tab that using the EEWB added?
can EEWB do this? i didn't find the appropriate business object......

Hi , Swapna
is you mail address right? can not send out.
first , you should have added one field using EEWB , then to EEWB , find the extension , double click on the task, there you will find a "object list" on the right, the list will give you many many very important information , you should look through .
then double click on the "screen: ..........EEW......." , layout , there you will find the field you have added in . and you can draw anything you want there , then back to the screen flow , write you flow logic in PBO and PAI .
about the global data definition, again to the "object list", you will find a "Report source code: ......................TOP". in there ,you can define all you data .
another thing if you want to save your input field to database tables that you draw (not by EEWB added)
two ways:
1. write update table directly in PAI module .
2. you can use this BADI : ORDER_SAVE , this is when you save the order to trigger the save action.

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