Reg: col to rows-
Hi Experts,
I've a scenario like the below -
Input data:
STORE
QUARTER1
QUARTER2
QUARTER3
QUARTER4
shop1
100
300
500
700
shop2
250
450
650
850
Expected Output:
Quarter
Shop-1
Shop-2
1
100
250
2
300
450
3
500
650
4
700
850
I guess (but not sure) - will UNPIVOT function help in achieving this.
I'm refering this - http://www.oracle-base.com/articles/11g/pivot-and-unpivot-operators-11gr1.php#unpivot but not able to figure out its exact usage.
Could you please help me with this?
Help much appreciated.
-- Ranit
(Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production)
ranitB wrote:
Thanks a lot Ramin. The output got is as expected.
Could you please explain the working of your query?
Just formatted your query:
select * from (
select store, q, val from t
UNPIVOT(
val for q in(q1, q2, q3, q4)
PIVOT( max(val) for store in('shop1' sh1, 'shop2' sh2)
first we are unpivoting your data :
select store, q, val from t
UNPIVOT(
val for q in(q1, q2, q3, q4)
val is the virtual column name for unpivoted data (you can gave any name)
shop1
Q1
100
shop1
Q2
300
shop1
Q3
500
shop1
Q4
700
shop2
Q1
250
shop2
Q2
450
shop2
Q3
650
shop2
Q4
850
Then we need pivot data for column store and for this in inline view we pivot data :
select * from (
select store, q, val from t
UNPIVOT( val for q in(q1, q2, q3, q4)
PIVOT( max(val) for store in('shop1' sh1, 'shop2' sh2));
Ramin Hashimzade
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Col-to-Rows needed for MINUS later
Query 1
SCOTT@orcl>SELECT CUST_NAME, DOD_PROD_CODE, to_char(DOD_DOH_NO,999999) DOD_DOH_no,
2 to_char(DOH_SO_REF_NO,999999) DOH_SO_REF_NO
3 FROM DELIVERY_ORDER_HEADER, DELIVERY_ORDER_DETAIL, CUSTOMER_MASTER
4 WHERE DOH_NO = DOD_DOH_NO
5 AND DOH_PARTY_CODE = CUST_CODE
6 AND DOH_SO_REF_NO = 13
7 ORDER BY 2;
CUST_N DOD_PROD_CODE DOD_DOH DOH_SO_
ENERGY P01033691.1 11 13
ENERGY P01033691.5 11 13
ENERGY P01033691.5 12 13
ENERGY P01033691.7 11 13
ENERGY P01033691.7 12 13
ENERGY P01033691.8 12 13
ENERGY P0140000014 11 13
ENERGY P01400012 11 13
8 rows selected.Query 2
SCOTT@orcl>SELECT CUST_NAME, SALEVD_PROD_CODE, SALEVH_DO_REF_NO,
2 to_char(SALEVH_SO_REF_NO,999999) SALEVH_SO_REF_NO
3 FROM SALES_INVOICE_HEADER, SALES_INVOICE_DETAIL,CUSTOMER_MASTER
4 WHERE SALEVH_NO = SALEVD_SALEVH_NO
5 AND SALEVH_PARTY_CODE = CUST_CODE
6 AND SALEVH_SO_REF_NO = 13
7 ORDER BY 2;
CUST_N SALEVD_PROD_COD SALEVH_DO_ SALEVH_
ENERGY P01033691.1 11,12 13
ENERGY P01033691.5 11,12 13
ENERGY P01033691.7 11,12 13
ENERGY P01033691.8 11,12 13
ENERGY P0140000014 11,12 13
ENERGY P01400012 11,12 13
6 rows selected.i want Query No.2 to be exactly returning the same number of rows, like Query No.1 - 8 Rows.
for example, in Query 1, there are 2 rows returned for product code P01033691.5 & P01033691.7,
whereas in Query 2 they are shown on single rows.
This is not the only case, the situaton may change where there can be more than 2 or just 1 values (in this case 11,12)
for SALEVH_DO_REF_NO Col. in Query 2.
i want to always break Col-to-Rows for Query 2,
based on the DOD_PROD_CODE & DOD_DOH_NO of Query 1 matching with SALEVD_PROD_CODE, SALEVH_DO_REF_NO of Query 2 .
so that it will become easier finally to use MINUS between both Queries like this;
Query 3
SELECT CUST_NAME, DOD_PROD_CODE, to_char(DOD_DOH_NO,999999) DOD_DOH_no,
to_char(DOH_SO_REF_NO,999999) DOH_SO_REF_NO
FROM DELIVERY_ORDER_HEADER, DELIVERY_ORDER_DETAIL, CUSTOMER_MASTER
WHERE DOH_NO = DOD_DOH_NO
AND DOH_PARTY_CODE = CUST_CODE
AND DOH_SO_REF_NO = 13
MINUS
SELECT CUST_NAME, SALEVD_PROD_CODE, SALEVH_DO_REF_NO,
to_char(SALEVH_SO_REF_NO,999999) SALEVH_SO_REF_NO
FROM SALES_INVOICE_HEADER, SALES_INVOICE_DETAIL,CUSTOMER_MASTER
WHERE SALEVH_NO = SALEVD_SALEVH_NO
AND SALEVH_PARTY_CODE = CUST_CODE
AND SALEVH_SO_REF_NO = 13as per the above data the Query3 should not return any rows, but lets say a row gets added to Query 1 result,
i mean a new DOD_DOH_NO for the same DOH_SO_REF_NO. a 9th row for example;
ENERGY P01400012 13 13
and theres is no Invoice done, then Query 3 should return just 1 row which is just the above 1, the 9th row.
any help will be highly appreciated. TYMr. Massimo,
Your Query MUST return rows and those should be the following 8 rows;
CUST_NAME SALEVD_PROD_COD SALEVH_ SALEVH_
ENERGY P01033691.1 11 13
ENERGY P01033691.5 11 13
ENERGY P01033691.7 11 13
ENERGY P01400012 11 13
ENERGY P0140000014 11 13
ENERGY P01033691.5 12 13
ENERGY P01033691.7 12 13
ENERGY P01033691.8 12 13
8 rows selected.
Your Latest Query returned no rows at all;
SCOTT@orcl>SELECT CUST_NAME, DOD_PROD_CODE, to_char(DOD_DOH_NO,999999) DOD_DOH_no,
2 to_char(DOH_SO_REF_NO,999999) DOH_SO_REF_NO
3 FROM DELIVERY_ORDER_HEADER doh, DELIVERY_ORDER_DETAIL dod, CUSTOMER_MASTER c
4 WHERE DOH_NO = DOD_DOH_NO
5 AND DOH_PARTY_CODE = CUST_CODE
6 AND 0 = (select count(0) FROM SALES_INVOICE_HEADER, SALES_INVOICE_DETAIL,CUSTOMER_MASTER c2
7 WHERE SALEVH_NO = SALEVD_SALEVH_NO
8 AND SALEVH_PARTY_CODE = CUST_CODE
9 AND SALEVH_SO_REF_NO = DOH_SO_REF_NO
10 AND c2.CUST_NAME=c.CUST_NAME
11 AND SALEVD_PROD_CODE = DOD_PROD_CODE
12 AND regexp_like(SALEVH_DO_REF_NO ,'(^|,)'||to_char(DOD_DOH_NO,999999)||'(,|$)')
13 AND to_char(SALEVH_SO_REF_NO,999999) = to_char(DOH_SO_REF_NO,999999))
14 AND 0 < (select count(0) FROM SALES_INVOICE_HEADER, SALES_INVOICE_DETAIL
15 WHERE SALEVH_NO = SALEVD_SALEVH_NO
16 AND SALEVH_SO_REF_NO = DOH_SO_REF_NO
17 AND regexp_like(SALEVH_DO_REF_NO ,'(^|,)'||to_char(DOD_DOH_NO,999999)||'(,|$)'));
no rows selectedi will rephrase and putting my case again. i am sure this time you;ll have better grasp on it.
These are the records for Items actually Delivered,columns are;
Customer Name = CUST_NAME
Item Code = DOD_PROD_CODE
Deliver Order No. = DOD_DOH_NO (NUMBER)
Sales Order Ref. No. = DOH_SO_REF_NO
SELECT CUST_NAME, DOD_PROD_CODE, to_char(DOD_DOH_NO,999999) DOD_DOH_no,
to_char(DOH_SO_REF_NO,999999) DOH_SO_REF_NO,DOD_QTY_DISPATCHED
FROM DELIVERY_ORDER_HEADER, DELIVERY_ORDER_DETAIL, CUSTOMER_MASTER
WHERE DOH_NO = DOD_DOH_NO
AND DOH_PARTY_CODE = CUST_CODE
ORDER BY 3;
CUST_NAME DOD_PROD_CODE DOD_DOH DOH_SO_ DOD_QTY_DISPATCHED
TOPAZ P01400034 9 14 4
TOPAZ P01025299.5 9 14 8
TOPAZ P01025299.7 9 14 15
TOPAZ P0140000010 9 14 2
TOPAZ P01025299.2 9 14 10
TOPAZ P01025299.9 9 14 10
TOPAZ P01025299.3 9 14 10
ENERGY P01033691.1 11 13 2
ENERGY P01033691.5 11 13 4
ENERGY P01033691.5 12 13 4
ENERGY P01033691.7 11 13 5
ENERGY P01033691.7 12 13 5
ENERGY P01033691.8 12 13 5
ENERGY P01400012 11 13 3
ENERGY P0140000014 11 13 10
ENERGY P01033691.7 13 13 2
ENERGY P01033691.8 13 13 5
17 rows selected.
Query No. 2
The following are the Invoice issued for the Items Delivered above.
Not all Invoices have been issued, still left, are for DOD_DOH_NO 9 & 13.
The columns are ;
Customer Name = CUST_NAME
Item Code = SALEVD_PROD_CODE
Invoice Deliver Order Ref.No. = SALEVH_DO_REF_NO (VARCHAR2)
Sales Order Ref. No. = SALEVH_SO_REF_NO
SELECT SUBSTR(CUST_NAME,9,6) CUST_NAME, SALEVD_PROD_CODE, SALEVH_DO_REF_NO,
to_char(SALEVH_SO_REF_NO,999999) SALEVH_SO_REF_NO
FROM SALES_INVOICE_HEADER, SALES_INVOICE_DETAIL,CUSTOMER_MASTER
WHERE SALEVH_NO = SALEVD_SALEVH_NO
AND SALEVH_PARTY_CODE = CUST_CODE;
CUST_N SALEVD_PROD_COD SALEVH_DO_ SALEVH_ SALEVD_QTY
ENERGY P01033691.1 11,12 13 2
ENERGY P01033691.5 11,12 13 8
ENERGY P01033691.7 11,12 13 10
ENERGY P01033691.8 11,12 13 5
ENERGY P01400012 11,12 13 3
ENERGY P0140000014 11,12 13 10
6 rows selected.
Note: SALEVH_DO_REF_NO is VARCHAR2 field, that i have used save DOD_DOH_NO (type NUMBER) values,
in comma separated manner, offering user to club more than 1 Delivery Orders on a single Invoice.
Therefore i want a query that will turn Query2 result to something like;
CUST_NAME SALEVD_PROD_COD SALEVH_ SALEVH_
ENERGY P01033691.1 11 13
ENERGY P01033691.5 11 13
ENERGY P01033691.7 11 13
ENERGY P01400012 11 13
ENERGY P0140000014 11 13
ENERGY P01033691.5 12 13
ENERGY P01033691.7 12 13
ENERGY P01033691.8 12 13
8 rows selected. -
Suppress COL and ROW based actual period and previous one
Hi!
Here is a problem I am trying to solve:
Lets say you have in COL a list of products and in ROW a list of client.
Most of the products bought by the client are the same month after month...
Most of the clients are the same month after month...
So I would like my COL to suppress depending on period N and period N-1 because my products hardly change. To add a new one, I will put the INSERT = Y in my expansion.
I would like my ROW to suppress depending on period N and period N-1 because in the long list of my clients, only some of them buy my products. To add new clients, I will put the INSERT = Y in my expansion.
I hope the definition of my problem above is good, here is how I try to solve it in my EVDRE;
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ExpandIn ROW | COL
Dimension Product | Client
MemberSet basmembers | basmembers
BeforeRange |
AfterRange |
Suppress [2009.JAN,2009.FEB ] | [2009.JAN,2009.FEB]
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When I have data in January, and I check February the expansion returns totaly empty!!
Thanks for your help
Nic
NB: I forgot to add that I am running SP3 v 5.0.502.03
Edited by: Nicolas Argente on Jul 16, 2008 4:22 PMFor your information, I also raised a ticket at SAP Support Portal from this problem. I will keep you updated with this problem.
Nic -
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I have A table after processing a file like
Building Person
B New
P AMit
B Old
P Raj
B Old
P akshay
B New
P Atul
Value B: Building
P: Person
there are Only Two Values for Building i.e. New,Old
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Building
Person
New
AMit
Old
Raj
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New
Atul
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Building
Person
New
null
null
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null
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null
null
akshay
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Atul
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How to pass multiple rows of data.
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Thanks
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Person--->node(cardinality 1..n)
FirstName-->Attribute
LastName-->Attribute.
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FName-->Attribute
LName-->Attribute
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Hi geeks.
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Regards ,
Kumar.
Edited by: Vinod Kumar on Aug 2, 2011 9:21 AMThis thread will assist you.
[Table control with non editable rows;
Make use of some flag for identifying the new records that will be appended in itab on the press of the button.
Then in PBO,
loop at itab with control tc cursor tc-current_line.
module editnewrow.
endloop.
module editnewrow output.
if itab-flag = 'X'.
loop at screen.
screen-input = 1.
modify screen.
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modify itab index tc_4000-current_line.
endif.
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CTRY DT WT
KSA 20-MAR-09 200
KSA 02-MAY-09 20
UAE 22-JAN-09 20
UAE 02-JAN-09 30
UAE 22-MAY-09 20
we can convrt the rows dt into columns like this (We have done month wise ..We can chage the query to do
data wise)
SELECT CTRY,
CASE TO_CHAR(DT,'MON-YYYY') WHEN 'JAN-2011' THEN SUM(WT) ELSE '' END AS 'JAN-2011',
CASE TO_CHAR(DT,'MON-YYYY') WHEN 'FEB-2011' THEN SUM(WT) ELSE '' END AS 'FEB-2011',
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CASE TO_CHAR(DT,'MON-YYYY') WHEN 'JUL-2011' THEN SUM(WT) ELSE '' END AS 'JUL-2011',
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Scenario -
A file has data in sorted order and it is inserted into Oracle table by SQL Loader (Direct-path load enabled).
If the table is queried (without any ORDER BY clause), is there a guarantee that the ordering will be same as in the text file?
I'm quite sure it's "NO" , and has been discussed several times that - without any explicit ORDER BY clause there's no guarantee that rows will be fetched in order.
But is there any way to demonstrate this?
I tried the below workout... (but rows were always fetched in the inserted order):
CREATE TABLE table_x
AS
SELECT /*+ APPEND */ LEVEL lvl
FROM dual
CONNECT BY LEVEL <= 10
ORDER BY 1 desc;
DECLARE
CURSOR cur_x
IS
SELECT lvl FROM table_x;
BEGIN
FOR j IN 1..100
LOOP
FOR i IN cur_x
LOOP
Dbms_Output.put_line(i.lvl);
END LOOP;
Dbms_Output.put_line('-------LOOP '||j||'------------');
END LOOP;
END;
Help much appreciated!
Thanks and Regards
-- Ranitone example could be:
drop table t;
create table t
as
select rownum id
from dual
connect by level <= 1000000;
select /*+ parallel(8) */ * from t where rownum < 30;
ID
262801
262802
262803
262804
262805
262806
262807
262808
262809
262810
262811
262812
262813
262814
262815
262816
262817
262818
262819
262820
262821
262822
262823
262824
262825
262826
262827
262828
262829
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getTblSearch().setAutoCreateColumnsFromModel(false);
getTblSearch().setColumnSelectionAllowed(false);
getTblSearch().setRowSelectionAllowed(true);
getTblSearch().setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
JTableHeader header8 = getTblSearch().getTableHeader();
ColumnHeaderListener colH8 = new ColumnHeaderListener();
colH8.setCallFrom("OrderApproval");
colH8.setOapproval(this);
header8.addMouseListener(colH8);
header8.setReorderingAllowed(false);
header8.setResizingAllowed(false);
getTblSearch().getColumn("Co #").setCellEditor(asCompCell);
getTblSearch().getColumn("Reg").setCellEditor(asRegCell);
getTblSearch().getColumn("Rep #").setCellEditor(asRepCell);
packColumns(getTblSearch(), 1);
getTblSearch().getColumnModel().getColumn(6).setPreferredWidth(240);
for(int i=0; i<searchEntries8.length; i++) {
getTblSearch().setValueAt(searchEntries8,0,i);
((GenericTextEditor)getTblSearch().getCellEditor(0,i)).setCellEditorValue(searchEntries8[i]);
scpSearch.add(new PopupContainer());
popupMenu = new JPopupMenu();
JMenuItem printFinalOrderMenu = new JMenuItem(PRINTFINALORDER_CMD);
printFinalOrderMenu.addActionListener(new PrintFinalOrderMenuListener());
popupMenu.add(printFinalOrderMenu);
MouseListener popupListener = new PopupListener();
getTblSearch().addMouseListener(popupListener);
scpSearch.setViewportView(getTblSearch());
scpSearch.getHorizontalScrollBar().setValue(scrPos);
setCursor(normalCursor);
Thank you all for your time n help.
Edited by: anjan_dev on Jan 29, 2008 2:14 PM
Edited by: anjan_dev on Jan 29, 2008 2:15 PM
Edited by: anjan_dev on Jan 29, 2008 2:16 PMThe issue is when I have one row already selected and then when I click on another row while holding the control key down. Our application needs an user to be able to select multiple rows at the same time.That is the default behaviour. I have no idea why it doesn't work for you.
Get rid of all your custom KeyEvent logic and try it again.
If you need further help then you need to create a "Short, Self Contained, Compilable and Executable, Example Program (SSCCE)", that demonstrates the incorrect behaviour.
http://homepage1.nifty.com/algafield/sscce.html
Don't forget to use the "Code Formatting Tags", so the posted code retains its original formatting.
http://forum.java.sun.com/help.jspa?sec=formatting -
Changing background color in JTable, only changes one row at a time...
I'm trying to change the color of rows when the 5th column meets certain criteria. I think I'm very close, but I've hit a wall.
What's happening is the row will change color as intended when the text in the 5th column is "KEY WORD", but when I type "KEY WORD" in a different column it will set the first row back to the regular colors. I can easily see why it's doing this, everytime something is changed it rerenders every cell, and the listener only checks the cell that was just changed if it met the "KEY WORD" condition, so it sets every cell (including the previous row that still meets the condition) to the normal colors. I can't come up with a good approach to changing the color for ALL rows that meet the condition. Any help would be appreciated.
In this part of the CellRenderer:
if (isSelected)
color = Color.red;
else
color = Color.blue;
if (hasFocus)
color = Color.yellow;
//row that meets special conditions
if(row == specRow && col == specCol)
color = color.white; I was thinking an approach would be to set them to their current color except for the one that meets special conditions, but the two problems with that are I can't figure out how to getColor() from the table, and I'm not sure how I would initially set the colors.
Here's the rest of the relevant code:
public void tableChanged(TableModelEvent e)
int firstRow = e.getFirstRow();
int lastRow = e.getLastRow();
int colIndex = e.getColumn();
if(colIndex == 4)
String value = (String)centerTable.getValueAt(firstRow, colIndex);
// check for our special selection criteria
if(value.equals("KEY WORD"))
for(int j = 0; j < centerTable.getColumnCount(); j++)
CellRenderer renderer =
(CellRenderer)centerTable.getCellRenderer(firstRow, j);
renderer.setSpecialSelection(firstRow, j);
import javax.swing.table.*;
import javax.swing.*;
import java.awt.Component;
import java.awt.Color;
public class CellRenderer extends DefaultTableCellRenderer
int specRow, specCol;
public CellRenderer()
specRow = -1;
specCol = -1;
public Component getTableCellRendererComponent(JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row, int col)
setHorizontalAlignment(JLabel.CENTER);
Color color = Color.green;
if (isSelected)
color = Color.red;
else
color = Color.blue;
if (hasFocus)
color = Color.yellow;
if(row == specRow && col == specCol)
color = color.white;
//setForeground(color);
setBackground(color);
setText((String)value);
return this;
public void setSpecialSelection(int row, int col)
specRow = row;
specCol = col;
}If I'm still stuck and more of my code is needed, I'll put together a smaller program that will isolate the problem tomorrow.That worked perfectly for what I was trying to do, but I've run into another problem. I'd like to change the row height when the conditions are met. What I discovered is that this creates an infinite loop since the resizing triggers the renderer, which resizes the row again, etc,. What would be the proper way to do this?
Here's the modified code from the program given in the link. All I did was declare the table for the class, and modify the if so I could add the "table.setRowHeight(row, 30);" line.
import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.border.*;
public class TableRowRenderingTip extends JPanel
JTable table;
public TableRowRenderingTip()
Object[] columnNames = {"Type", "Company", "Shares", "Price", "Boolean"};
Object[][] data =
{"Buy", "IBM", new Integer(1000), new Double(80.5), Boolean.TRUE},
{"Sell", "Dell", new Integer(2000), new Double(6.25), Boolean.FALSE},
{"Short Sell", "Apple", new Integer(3000), new Double(7.35), Boolean.TRUE},
{"Buy", "MicroSoft", new Integer(4000), new Double(27.50), Boolean.FALSE},
{"Short Sell", "Cisco", new Integer(5000), new Double(20), Boolean.TRUE}
DefaultTableModel model = new DefaultTableModel(data, columnNames)
public Class getColumnClass(int column)
return getValueAt(0, column).getClass();
JTabbedPane tabbedPane = new JTabbedPane();
tabbedPane.addTab("Alternating", createAlternating(model));
tabbedPane.addTab("Border", createBorder(model));
tabbedPane.addTab("Data", createData(model));
add( tabbedPane );
private JComponent createAlternating(DefaultTableModel model)
JTable table = new JTable( model )
public Component prepareRenderer(TableCellRenderer renderer, int row, int column)
Component c = super.prepareRenderer(renderer, row, column);
// Alternate row color
if (!isRowSelected(row))
c.setBackground(row % 2 == 0 ? getBackground() : Color.LIGHT_GRAY);
return c;
table.setPreferredScrollableViewportSize(table.getPreferredSize());
table.changeSelection(0, 0, false, false);
return new JScrollPane( table );
private JComponent createBorder(DefaultTableModel model)
JTable table = new JTable( model )
private Border outside = new MatteBorder(1, 0, 1, 0, Color.RED);
private Border inside = new EmptyBorder(0, 1, 0, 1);
private Border highlight = new CompoundBorder(outside, inside);
public Component prepareRenderer(TableCellRenderer renderer, int row, int column)
Component c = super.prepareRenderer(renderer, row, column);
JComponent jc = (JComponent)c;
// Add a border to the selected row
if (isRowSelected(row))
jc.setBorder( highlight );
return c;
table.setPreferredScrollableViewportSize(table.getPreferredSize());
table.changeSelection(0, 0, false, false);
return new JScrollPane( table );
public JComponent createData(DefaultTableModel model)
table = new JTable( model )
public Component prepareRenderer(TableCellRenderer renderer, int row, int column)
Component c = super.prepareRenderer(renderer, row, column);
// Color row based on a cell value
if (!isRowSelected(row))
c.setBackground(getBackground());
String type = (String)getModel().getValueAt(row, 0);
if ("Buy".equals(type)) {
table.setRowHeight(row, 30);
c.setBackground(Color.GREEN);
if ("Sell".equals(type)) c.setBackground(Color.YELLOW);
return c;
table.setPreferredScrollableViewportSize(table.getPreferredSize());
table.changeSelection(0, 0, false, false);
return new JScrollPane( table );
public static void main(String[] args)
SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
public static void createAndShowGUI()
JFrame.setDefaultLookAndFeelDecorated(true);
JFrame frame = new JFrame("Table Row Rendering");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add( new TableRowRenderingTip() );
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}Edited by: scavok on Apr 26, 2010 6:43 PM -
Comboboxes are not set on the 1st time a row is clicked in the dataTable
I have somewhat the following setup:
I have a DataTable that is filled with a listof objects, a actionListener is handeled when a row is clicked.
Under the Table there are two ComboBoxes (lets call them Category and Item) that get their values from lists of Objects. The values of the list that backs the Item combo depend on the selected value of the Category combo.
Lets assume the values look like this:
CategoryA
---ItemA1
---ItemA2
CategoryB
---ItemB1
---ItemB2
Together with some textboxes, they should represent the values of the clicked row in the Table.
Now the problem:
When the comboboxes have a different value than the row that is beïng selected the values of the comboboxes and textboxes are not set correctly until the 3rd time the row is clicked.
It also doesn't go into the onClickMehod in the backing bean before the 3rd click. This is checked by a logger.
an example:
before clicking, the category combo is set to "CategoryB", the Item combo is set to "ItemB1" and the textboxes are empty. The row that is going to be clicked has as its category "CategoryA" and as its Item "ItemA1"
1st click:
the form still shows the values like they were before clicking, the log doesn't show that the method is triggered
2nd click:
the Item combo is set to "ItemA1", the category is still set to "CategoryB", the textBoxes are still empty. The log still doesn't show that the method is triggered
3rd click:
the Category combo is set to "CategoryA", the Item combo is set to "ItemA1", the textboxes also have their correct values.
the code is as followed:
JSP:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html" %>
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core" %>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head></head>
<body>
<f:view>
<h:form binding="#{backingBean.pageLoad}">
<h:dataTable binding="#{backingBean.dataTable}" columnClasses="COL1, COL1, COL2, COL2, COL3" value="#{backingBean.myObjects}" var="myObject" width="100%" headerClass="HEADING" rowClasses="ROW1, ROW2" rows="10">
<h:column>
<f:facet name="header">
<h:commandLink actionListener="#{backingBean.sortDataList}" styleClass="rowHeader">
<f:attribute name="sortField" value="getItemCategory" />
<h:outputText value="Category"/>
</h:commandLink>
</f:facet>
<h:commandLink shape="rect" styleClass="rowtext" value="#{myObject.item.itemCategory.description}" actionListener="#{backingBean.rowSelect}" />
</h:column>
<h:column>
<f:facet name="header">
<h:commandLink actionListener="#{backingBean.sortDataList}" styleClass="rowHeader">
<f:attribute name="sortField" value="getItem" />
<h:outputText value="Item"/>
</h:commandLink>
</f:facet>
<h:commandLink shape="rect" styleClass="rowtext" value="#{myObject.item.name}" actionListener="#{backingBean.rowSelect}" />
</h:column>
<h:column>
<f:facet name="header">
<h:commandLink actionListener="#{backingBean.sortDataList}" styleClass="rowHeader">
<f:attribute name="sortField" value="getDescription" />
<h:outputText value="Certification"/>
</h:commandLink>
</f:facet>
<h:commandLink shape="rect" styleClass="rowtext" value="#{myObject.description}" actionListener="#{myObject.description}"/>
</h:column>
<f:facet name="footer">
<h:panelGroup style="text-align:right">
<h:commandButton value="first" action="#{backingBean.pageFirst}" disabled="#{backingBean.dataTable.first == 0}" />
<h:commandButton value="prev" action="#{backingBean.pagePrevious}" disabled="#{backingBean.dataTable.first == 0}" />
<h:commandButton value="next" action="#{backingBean.pageNext}" disabled="#{backingBean.dataTable.first + backingBean.dataTable.rows >= backingBean.dataTable.rowCount}" />
<h:commandButton value="last" action="#{backingBean.pageLast}" disabled="#{backingBean.dataTable.first + backingBean.dataTable.rows >= backingBean.dataTable.rowCount}" />
<h:commandButton value="Append New" action="#{backingBean.ClearFields}" />
</h:panelGroup>
</f:facet>
</h:dataTable>
<h:inputHidden value="#{backingBean.sortField}"/>
<h:inputHidden value="#{backingBean.sortAscending}"/>
<h:inputHidden value="#{backingBean.myObjectId}"/>
<br />
<br />
<table style="border-collapse: collapse; width:100%" cellpadding="3" border="1">
<tr>
<td style="text-align:left; width:20%; background-image:url('images/lbar.gif'); font-family:Arial; font-size:smaller; font-weight:bold" colspan="3">Detail</td>
</tr>
<tr>
<td style="text-align:right; width:20%; background-color:#CCCCCC; font-family:Arial; font-size:smaller; font-weight:bold">Category </td>
<td style="width:80%; background-color:#CCCCCC;font-weight:bold">
<h:selectOneMenu value="#{backingBean.selectedCategory}" onchange="submit();" valueChangeListener="#{backingBean.CategoryChange}">
<f:selectItems value="#{backingBean.selectedCategories}"/>
</h:selectOneMenu>
</td>
</tr>
<tr>
<td style="text-align:right; width:20%; background-color:#CCCCCC; font-family:Arial; font-size:smaller; font-weight:bold">Item id </td>
<td style="width:80%; background-color:#CCCCCC;font-weight:bold">
<h:selectOneMenu value="#{backingBean.selectedItem}">
<f:selectItems value="#{backingBean.selectedItems}"/>
</h:selectOneMenu>
</td>
</tr>
<tr>
<td style="text-align:right; width:20%; background-color:#CCCCCC; font-family:Arial; font-size:smaller; font-weight:bold">Item Description </td>
<td style="width:80%; background-color:#CCCCCC;font-weight:bold"> <h:inputTextarea value="#{backingBean.description}" cols="60" rows="5"/></td>
</tr>
</table>
</h:form>
</f:view>
</body>
</html>the backing bean:
public class BackingBean{
-- Declaration of properties --
public void rowSelect(ActionEvent event) {
// Get selected MyData item to be edited.
logger.debug("Select row");
FacesContext context = FacesContext.getCurrentInstance();
try
if ((sortField != null) && (myObjects != null)) {
Collections.sort(myObjects, new DTOComparator(sortField, sortAscending));
dataTable.saveState(context);
catch(Exception e){
logger.error(e.getLocalizedMessage(), e);
context.addMessage("ERROR", new FacesMessage(e.toString()));}
logger.debug("Setting fields");
myObject = (MyObject) dataTable.getRowData();
description = myObject.getDescription();
itemCategory = myObject.getItem().getItemCategory();
item = myObject.getItem();
docDisabled = !certified;
selectedCategory = itemCategory.getId();
myObjectId = myObject.getId();
logger.debug("Fields set");
public void sortDataList(ActionEvent event) {
String sortFieldAttribute = getAttribute(event, "sortField");
// Get and set sort field and sort order.
if (sortField != null && sortField.equals(sortFieldAttribute)) {
sortAscending = !sortAscending;
} else {
sortField = sortFieldAttribute;
sortAscending = true;
// Sort results.
if (sortField != null) {
Collections.sort(myObjects, new DTOComparator(sortField, sortAscending));
public void CategoryChange(ValueChangeEvent vce){
try {
logger.debug("SelectedIndexChange: Category: {}",vce.getNewValue().toString());
selectedCategory = Integer.parseInt(vce.getNewValue().toString());
logger.debug("SelectedIndexChange: Category");
itemCategory = itemCategoryService.retrieveItemCategoryById(selectedCategory);
logger.debug("Showing Category: {}", itemCategory.getDescription());
} catch (Exception e) {
logger.error("Error occured: {}",e.toString());
FacesContext context = FacesContext.getCurrentInstance();
context.addMessage("ERROR", new FacesMessage(e.toString()));
public List<SelectItem> getSelectedItems() {
selectedItems = new ArrayList<SelectItem>();
try
logger.debug("selectedCategory: {}",selectedCategory);
if (itemCategory!=null)
logger.debug("Category Object: {}",itemCategory.getId());
items.clear();
items.addAll(itemCategoryService.retrieveItemCategoryById(selectedCategory).getItems());
logger.debug("items recieved: {}",items.size());
for (int count = 0; count < items.size(); count++) {
selectedItems.add(new SelectItem(items.get(count).getSeq(),items.get(count).getName()));
catch (Exception e){
logger.error("Error occured: {}",e.toString());
FacesContext context = FacesContext.getCurrentInstance();
context.addMessage("ERROR", new FacesMessage(e.toString()));
return selectedItems;
public List<SelectItem> getSelectedCategories() {
selectedCategories = new ArrayList<SelectItem>();
try{
for (int count = 0; count < itemCategories.size(); count++) {
if (itemCategories.get(count).getItems().size() != 0)
selectedCategories.add(new SelectItem(itemCategories.get(count).getId(),itemCategories.get(count).getDescription()));
if (selectedCategory == 0)
selectedCategory = itemCategories.get(0).getId();
catch (Exception e){
logger.error("Error occured: {}",e.toString());
FacesContext context = FacesContext.getCurrentInstance();
context.addMessage("ERROR", new FacesMessage(e.toString()));
return selectedCategories;
-- other getters and setters --
}I've already tried to use the action attribute instead of the actionlistener attribute, also tried to add immediate="true" to all fields and columns.
Did try to add onclick="submit();" to the rows.
What can be done to fix it??
ps: the enviroment is JSF + Spring + HibernateThe <h:messages/> tag is where the validation exception is shown, but no validation is used on the form, no other exeptions are sown.
the List<Categories> is filled at a setPageLoad method which is bound to the form by <h:form binding="#{backingBean.pageLoad}">.
The List<SelectedItem> of the categories box is filled in its getter and filled with the values of the List<Categories>
And both the List<SelectedItem> of the items box and the List<Item> are filled in the getter of the List<SelectedItem> of the items box
so instead of that i should rewrite it to something like this:
public BackingBean() {
selectedCategories = new List<SelectedItem>();
selectedItems = new List<SelectedItem>();
categories = CategoryService.retrieveCategories(); //gets all categories
items = ItemService.retrieveItemsByCategory(selectedCategory); //gets the items
for (int count = 0; count < categories.size(); count++) {
selectedCategories.add(new SelectItem(categories.get(count).getId(),categories.get(count).getDescription()));
if (selectedCategory == 0){
selectedCategory = categories.get(0).getId();
for (int count = 0; count < items.size(); count++) {
selectedItems.add(new SelectItem(items.get(count).getId(),items.get(count).getDescription()));
if (selectedItem == 0){
selectedItem = items.get(0).getId();
public void CategoryChange(ValueChangeEvent vce){
try {
if (vce.getPhaseId() != PhaseId.INVOKE_APPLICATION) {
vce.setPhaseId(PhaseId.INVOKE_APPLICATION);
vce.queue();
} else {
FacesContext.getCurrentInstance().renderResponse();
selectedCategory = Integer.parseInt(vce.getNewValue().toString());
category = CategoryService.retrieveCategoryById(selectedCategory); // gets the category Object
} catch (Exception e) {
logger.error("Error occured: {}",e.toString());
FacesContext context = FacesContext.getCurrentInstance();
context.addMessage("ERROR", new FacesMessage(e.toString()));
public List<SelectItem> getSelectedCategories() {
return selectedCategories;
public void setSelectedCategories(List<SelectItem> selectedCategories) {
this.selectedCategories = selectedCategories;
public List<SelectItem> getSelectedItems() {
return selectedCategories;
public void setSelectedItems(List<SelectItem> selectedItems) {
this.selectedItems = selectedItems;
}The bean is request scoped.
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