Jtable return value of selecte row

Hy
I try to return from a class the value of the row selected in a Jtabel by mouse in an other caller class
Now I try a code like this :
table.addMouseListener (new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
if (e.getClickCount() == 1) {
JTable target = (JTable)e.getSource();
int row = target.getSelectedRow();
return row; // not possible
how can I take the value of row by return statement ?
thanks in advance
Dan

Don't use a MouseListener, use a SelectionListener: that's what it's for.

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POPUPKEY_FROM_QUERY returning value to wrong row

Hi,
I'm running Apex 3.0.1. I have a tabular report that I'm trying to add a popup from query that returns the key/code value (instead of the display value).
I can call the pop-up okay, but it's returning the value to the wrong table row. I can see in the naming of the Javascript functions that it's looking at the wrong row. For example, here are 4 rows in display order and the names of the Javascript function calls:
1. javascript:genList0_f15_1()
2. javascript:genList0_f15_3()
3. javascript:genList0_f15_2()
4. javascript:genList0_f15_0()
I can see in the function call that it's passing an index that doesn't match the displayed row number here:
"&p_element_index=" + escape ('1') + So if I click on the LOV icon for row 1 and select one of the LOV values, it will return the value to the second displayed row (zero-based index).
I've read here of some issues with not having all rows make the call (e.g. in this post from Patrick Wolf date_popup returning value to wrong row but all my rows have values.
The tabular report allows sorting by column headers, which I would guess is (at least part of) what's messing the function numbering? The query generates the rows, including the function calls, but the report displays in a different order?
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Thanks,
Stew
Good luck,
Stew
My Oracle Community blog: http://www.oraclecommunity.net/profiles/blog/list?user=stewstryker

Christina,
You hit the nail on the head! The tabular form region was defined as SQL Query - without the Updateable part! I'm not sure why I didn't have it that way from the start...
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Get values from selected row in a Table?

Hello.
I'm on VC 7.1 (the trial version downloaded from SDN).
I'm trying to figure out a way to retrieve some values from the currently selected row in a Table element through the output connector.
I have a web-service which returns results to the Table, and I want the user to be able to select one of the rows and then trigger another web-service call with some of the values from that row -- is this possible?
Also, I can't find any documentation that lists what can and can't be done with each UI element, is there something like this some where? (the Modeler's guide doesn't help, and the Reference guide seems to focus on menu items and what the VC screen looks like)
Thanks,
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Hi Alon
This is a very simple task.
You just need drag the service which you want to execute, after select row, in model.
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Display and return value in select list.

hi,
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select student_id from class_record where class_id =:p1_class_id and SECTION =:p1_section
minus
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Ooh, MINUS.... Can you not use a NOT EXISTS in this case, could have a big effect on the execution plan?
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AND   a.section    = :P1_SECTION
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http://www.munkyben.wordpress.com
Don't forget to mark replies helpful or correct ;)

JTable and getting the selected Row to display

Hi,
I am pasting a code below, in this code i am highlighting one row when loading the table, but since this Row is last, it does not get displayed unless the user scrolls down,
how can i make this row displayed, when i load the table first
I m using jdk1.4.1
import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
public class TestTableSelect extends JFrame
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setVisible(true);
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          table.getTableHeader().setReorderingAllowed(false);
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table.scrollRectToVisible(table.getCellRect(table.getSelectedRow(), 0, true);Put this after your table.setRowSelectionInterval(0,getSelectedIndex(data, input)) .
//David

Date_popup returning value to wrong row

I have looked at the thread below and still cannot get my code to work
Re: prevent certain rows in updateable report from being updated??
I have a tabular form that is used for a mass approval system for managers. In this tabular form the managers are allowed to change 2 fields...that status field which is a static lov and the approval date field. The approval date field will always be null when the user comes into the form so we have this field set automatically to the sysdate. The problem we are encountering is that when we change the date field to something other than sysdate the system will send the new date from the date picker to a different row. I found the thread above and tried to implement it in my code but it is still returning the data to the wrong row. I was trying to decipher the code and wasn't really sure about it so I thought I would put my code here in hopes that someone could help me. (NOTE - I don't really need the decode statement for the date_popup but if I didn't have it I would get an error so the first part of my decode statement shouldn't ever be hit cause we don't have an approval status of P.
Query Code
select
HTMLDB_ITEM.HIDDEN(1,EVAL."EVAL_ID") EVAL,
EVAL."EVAL_ID" EVAL_ID_DISPLAY,
HTMLDB_ITEM.SELECT_LIST(2,nvl(EVAL.APPROVE_MID,'Y'),'Approve;Y,Deny;N') MID_STATUS,
EVAL."EMP_ID",
EVAL."MID_BEHAVIOR_TOT_AVG",
EVAL."MID_PERF_TOT_AVG",
EVAL."FNAME" || ' ' || EVAL."LNAME" NAME,
EVAL."LOCK_FLAG_MID",
NVL(EVAL."SUPERVISOR_NAME", ' ') SUPERVISOR,
decode(EVAL.APPROVE_MID,'p',htmldb_item.text(3,to_char(eval.approve_mid_date,'dd-mon-yyyy'),null,null,'onfocus=this.blur()')||substr(htmldb_item.date_popup(3),1,0),htmldb_item.date_popup(3,NULL,NVL(eval.approve_mid_date,SYSDATE),'dd-mon-yyyy')) mid_date
from "#OWNER#"."EVAL", "#OWNER#"."EMPLOYEE", "#OWNER#"."TEMP_EMP"
WHERE EMPLOYEE."SUPERVISOR" = (SELECT POS_NUM FROM EMPLOYEE WHERE TEMP_EMP.CENUM = :APP_USER AND EMP_ID = TEMP_EMP.EMP_ID) AND EMPLOYEE.EMP_ID = EVAL.EMP_ID
Custom Submit Code
for i in 1..htmldb_application.g_f01.count
loop
update eval
set approve_mid = htmldb_application.g_f02(i)
where eval.eval_id = htmldb_application.g_f01(i);
commit;
IF :P72_DATE_OVERRIDE IS NULL THEN
update eval
set approve_mid_dATE = htmldb_application.g_f03(i)
where eval.eval_id = htmldb_application.g_f01(i);
commit;
ELSE
update eval
set approve_mid_date = :P72_DATE_OVERRIDE
where eval.eval_id = htmldb_application.g_f01(i);
end if;
commit;
end loop;
HELP PLEASE!!!!!
Thanks,
Amber

mtuser,
you have to be a little bit more patient, your initial postings was just a few hours ago.
About your problem, have a look at Re: prevent certain rows in updateable report from being updated??
I think it explains your problem and offers a solution for it.
Patrick
My APEX Blog: http://inside-apex.blogspot.com
The ApexLib Framework: http://apexlib.sourceforge.net
The APEX Builder Plugin: http://sourceforge.net/projects/apexplugin/

How do I get the values from a selected row.

I am using JDeveloper 9.0.5. On my page, I have placed a button within a table. The button has been assigned an event. The event is within my Action class. This class implements DataAction and has overriden the
processComponentEvents(DataActionContext actionContext);
method.
Question: While I am within the processComponentEvents method, is it possible to obtain the values of selected row?

Good Morning Jeffery,
First off thanks for your clear explanation. I have a few related questions as noted from your response:
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When the user selects the radio button for a particular row and then clicks on one the buttons, a built in event handler in UIX will set the current row in the model to be the user selected row. Therefore, your Struts action can operate on the currently selected model row.
When you drop a UIX table from the data control palette it is automatically set up in this way (with a single selection).
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1__5___10___15___0
2_20___25___30___1
3_35___40___45___1
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JTable resetting values

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Thanks so much!
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import javax.swing.JPanel.*;
import java.awt.*;                        //FOR CONTAINER CLASS
import java.awt.event.*;                  //FOR EVENT HANDLING
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import javax.swing.*;                     //FOR SWING COMPONENT CLASSES
import javax.swing.JPanel.*;
import java.awt.*;                        //FOR CONTAINER CLASS
import java.awt.event.*;                  //FOR EVENT HANDLING
import javax.swing.table.AbstractTableModel;
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                for(int y = 0; y < COLUMNS; ++y)
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Yah I know that is correct. However, I have to receive the variable row in order to set the user-defined number of rows for the table. I have to set rows equal to 2 in order to get around the error that I haven't instantiated the variable. Does that make sense?
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Possible bug ? - Default value for select list

4.2.1
Hi, I have one page with a couple of reports. I have a time period filter on top. Its a select list with values 7 days, 3 months and 12 months. Default value is set to 3 (where return values of select list is 1,2,3 resp).
Now in page 1 which has this select list, :P1_SELECT it has a report which shows counts of number of items purchased. When the user clicks on the count(hyperlinked column), it takes the user to another page which runs the details of the items and also uses the Page 1 select. It works fine when I change the time period. However, if I dont change the time period in the select list when I first login, althought I have set the default value to 3, the interactive report on page shows no data found, because the select list default value I guess it does not recognize.
Is this a bug?
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ryansun wrote:
4.2.1
Hi, I have one page with a couple of reports. I have a time period filter on top. Its a select list with values 7 days, 3 months and 12 months. Default value is set to 3 (where return values of select list is 1,2,3 resp).
Now in page 1 which has this select list, :P1_SELECT it has a report which shows counts of number of items purchased. When the user clicks on the count(hyperlinked column), it takes the user to another page which runs the details of the items and also uses the Page 1 select. It works fine when I change the time period. However, if I dont change the time period in the select list when I first login, althought I have set the default value to 3, the interactive report on page shows no data found, because the select list default value I guess it does not recognize.
Is this a bug?NO.
Default values is only populated on the clien side and NOT in the session.
This has been discussed thousands of times in the forum..found this with a simple search {message:id=4440597}

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Hi,
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OAViewObject itemVO = (OAViewObject)am.findViewObject("ItemsNotReturnedVO1");
OARow row = (OARow)itemVO.first();
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pageContext.putTransactionValue("vTraHeaderId", vHeaderID);
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pageContext.putTransactionValue("vTraTempId", vTempID);
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am.invokeMethod("waiveItemRequest", params);
row = (OARow)itemVO.next();
Below code in AM
public void waiveItemRequest(String vHeaderID, String vTempID){
try{
OADBTransactionImpl oadbtransactionimpl = (OADBTransactionImpl)getDBTransaction();
OracleCallableStatement oraclecallablestatement =
(OracleCallableStatement)oadbtransactionimpl.createCallableStatement(" { call xxitemreturn_pkg.waive_item(:1,:2) } ",1);
oraclecallablestatement.setInt(1, Integer.parseInt(vHeaderID));
oraclecallablestatement.setInt(2, Integer.parseInt(vTempID));
oraclecallablestatement.execute();
catch(Exception e){
e.printStackTrace();
Using 10g database, Jdeveloper 10.1.3.3.0

Hi Nadir,
The error is coming because you transient attribute is not updateable.
To make it updateable,
1) Open your VO
2) Go to Attributes
3) Select your transient attribute and make UPDATEABLE = Always.
Let me know, if this helps or you need further assistance.
Thanks
Saurabh

Overriding the SelectionForegroundColor of a selected row in a JTable

Hi
First, apologize for my poor English.
I looked for a similar topic in the forum, but coudn't find one.
What I want to achieve is this :
upon data contained in a column, I want the foreground color of the row to be gray. To do this, I write my own TableCellRenderer and it works perfectly except for the unique selected row of the table (single selection model) whose foreground color is the table's selectionForegroundColor.
I found a workaround...but the code is awful and leads to OutOfMemoryErrors.
Here is the code :
<
public Component getTableCellRendererComponent(JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row,
int column) {
     boolean isGrayColored = false;
     // some process to set whether the foreground color should be gray
     if (isGrayColored) {
          //table.setSelectionForeground(Color.gray);
          setForeground(Color.gray);
     } else {
          //table.setSelectionForeground(Color.black);
          setForeground((isSelected) ? table.getSelectionForeground() : table.getForeground());
     if (table != null && value == null && isSelected && hasFocus) {
          return this;
     } else {
          return super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
>
If I uncomment the lines "table.setSelectionForeground(..", I got the expected result.
Thanks for your help
Regards,

Try this:
      public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
         if (isSelected && hasFocus) {
            setForeground(Color.black);
         } else {
            setForeground(Color.gray);
         setText((value==null)?"":""+value);
         return this;
      };o)
V.V.
PS: If it helps, don't forget the dukes!

To change the font of a selected row in a Jtable

Hello,
Is it possible to change the font of a selected row in a jtable?
i.e. if all the table is set to a bold font, how would you change the font of the row selected to a normal (not bold) font?
thank you.

String will be left justified
Integer will be right justified
Date will be a simple date without the time.
As it will with this renderer.Only if your custom renderer duplicates the code
found in each of the above renderers. This is a waste
of time to duplicate code. The idea is to reuse code
not duplicate and debug again.
No, no, no there will be NO duplicated code.
A single renderer class can handle all types ofdata.
Sure you can fit a square peg into a round hole if
you work hard enough. Why does the JDK come with
separate renderers for Date, Integer, Double, Icon,
Boolean? So that, by default the rendering for common classes is done correctly.
Because its a better design then having code
with a bunch of "instanceof" checks and nested
if...else code.This is only required for customization BEYOND what the default renderers provide
>
And you would only have to use instanceof checkswhen you required custom
rendering for a particular classAgreed, but as soon as you do require custom
renderering you need to customize your renderer.
which you would also have to do with theprepareRenderer calls too
Not true. The code is the same whether you treat
every cell as a String or whether you use a custom
renderer for every cell. Here is the code to make the
text of the selected line(s) bold:
public Component prepareRenderer(TableCellRenderer
renderer, int row, int column)
Component c = super.prepareRenderer(renderer, row,
, column);
     if (isRowSelected(row))
          c.setFont( c.getFont().deriveFont(Font.BOLD) );
     return c;
}It will work for any renderer used by the table since
the prepareRenderer(...) method returns a Component.
There is no need to do any kind of "instanceof"
checking. It doesn't matter whether the cell is
renderered with the "Object" renderer or the
"Integer" renderer.
If the user wants to treat all columns as Strings or
treat individual columns as String, Integer, Data...,
then they only need to override the getColumnClass()
method. There is no change to the prepareRenderer()
code.
Have you actually tried the code to see how simple it
is?
I've posted my code. Why don't you post your solution
that will allow the user to bold the text of a Date,
Integer, and String data in separate column and then
let the poster decide.Well, I don't see a compilable, runnable demo anywhere in this thread. So here's one
import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Vector;
public class TableRendererDemo extends JFrame{
    String[] headers = {"String","Integer","Float","Boolean","Date"};
    private JTable table;
    public TableRendererDemo() {
        buildGUI();
    private void buildGUI() {
        JPanel mainPanel = (JPanel) getContentPane();
        mainPanel.setLayout(new BorderLayout());
        Vector headerVector = new Vector(Arrays.asList(headers));
         Vector data = createDataVector();
        DefaultTableModel tableModel = new DefaultTableModel(data, headerVector){
            public Class getColumnClass(int columnIndex) {
                return getValueAt(0,columnIndex).getClass();
        table = new JTable(tableModel);
//        table.setDefaultRenderer(Object.class, new MyTableCellRenderer());
        table.setDefaultRenderer(String.class, new MyTableCellRenderer());
        table.setDefaultRenderer(Integer.class, new MyTableCellRenderer());
        table.setDefaultRenderer(Float.class, new MyTableCellRenderer());
        table.setDefaultRenderer(Date.class, new MyTableCellRenderer());
        JScrollPane jsp = new JScrollPane(table);
        mainPanel.add(jsp, BorderLayout.CENTER);
        pack();
        setLocationRelativeTo(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    private Vector createDataVector(){
        Vector dataVector = new Vector();
        for ( int i = 0 ; i < 10; i++){
            Vector rowVector = new Vector();
            rowVector.add(new String("String "+i));
            rowVector.add(new Integer(i));
            rowVector.add(new Float(1.23));
            rowVector.add( (i % 2 == 0 ? Boolean.TRUE : Boolean.FALSE));
            rowVector.add(new Date());
            dataVector.add(rowVector);
        return dataVector;
    public static void main(String[] args) {
        Runnable runnable = new Runnable() {
            public void run() {
                TableRendererDemo tableRendererDemo = new TableRendererDemo();
                tableRendererDemo.setVisible(true);
        SwingUtilities.invokeLater(runnable);
    class MyTableCellRenderer extends DefaultTableCellRenderer{
        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
             super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
            if ( isSelected){
                setFont(getFont().deriveFont(Font.BOLD));
            else{
                setFont(getFont().deriveFont(Font.PLAIN));
            if ( value instanceof Date){
                SimpleDateFormat formatter =(SimpleDateFormat) SimpleDateFormat.getDateInstance(DateFormat.MEDIUM);
                setText(formatter.format((Date)value));
            if(value instanceof Number){
               setText(((Number)value).toString());
            return this;
}Hardly a "bunch of instanceof or nested loops. I only used the Date instanceof to allow date format to be specified/ modified. If it was left out the Date column would be "18 Apr 2005" ( DateFormat.MEDIUM, which is default).
Cheers
DB

Jtable return value of selecte row

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