JTable with Images

Hi,
I have created a Table in which each cell is displayed with Images.I am not able to select a cell. Is it possible to select an Image in a cell?
Please give me a suggestion.
Regards
senthil

Since you know how to display the images, I take it that you have developped a custom TableCellRenderer.
Pretty sure that you are able to select the cell as usual - just check the table.isSelected(...) - most probably the problem is that you don't see it ;-)I completely agree with the queen of Aegypt on the likely cause of your problem, except she probably meant you should check the value of the boolean isSelected argument that is passed to your renderer's getTableCellRendererComponent(...) method, and render the image differently if it is true.

Similar Messages

JTable with ImageIcons does not react to even handling

Hi.
I have a populated JTable with ONLY ImageIcons in it. I need to generate event responses on mouseClicks. However, any event listener I associate with this, nothing seems to be happening.
(Somehow, I'm guess the ImageIcons - which are rendered on a JLabel, are/is the source of all troubles!!)
The code is below :
import java.io.File;
import java.awt.Point;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Container;
import java.awt.Component;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.ImageIcon;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel;
import javax.swing.table.TableColumn;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.AbstractTableModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
*     Entry point for the Images Table.
*     @author Raj Gaurav
public class SpecialCharacterDialog extends JDialog{
     String collectionString[] = null;
     ImageIcon suite[] = null;
     public SpecialCharacterDialog() {
          Container contentPane = getContentPane();
          //     Create the Table Model and create the Table from the model
          MyTableModel model = new MyTableModel();
          JTable table = new JTable(model);
          table.setDefaultRenderer(ImageIcon.class, new CustomCellRenderer());
          table.setCellSelectionEnabled(true);
          table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
ListSelectionModel rowSM = table.getSelectionModel();
rowSM.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
//Ignore extra messages.
if (e.getValueIsAdjusting()) return;
ListSelectionModel lsm = (ListSelectionModel)e.getSource();
if (lsm.isSelectionEmpty()) {
System.out.println("No rows are selected.");
} else {
int selectedRow = lsm.getMinSelectionIndex();
System.out.println("Row " + selectedRow
+ " is now selected.");
          //     Add the table to the contentPane
          JScrollPane pane = new JScrollPane(table);
          contentPane.add(pane);
*     This class contains all the DATA information, the ImageIcons
*     needed for display.
class SymbolCollection {
     final static int NUMBER_OF_COLUMNS = 15;
     private String collectionString[] = null;
     private ImageIcon suite[] = null;
     *     Constructor : Initialises all the ImageIcon and their Names.
     public SymbolCollection() {
          File f = new File("C:\\Test\\Images");
          collectionString = f.list();
          int numberOfImages = collectionString.length;
          suite = new ImageIcon[numberOfImages];
          for(int i = 0;i < numberOfImages; i++) {
               suite[i] = new ImageIcon("C:\\Test\\images" + File.separator + collectionString);
     *     Returns the total number of images in "images" folder.
     public int getTotalNumberOfImages() {
          return suite.length;
     *     Returns the target ImageIcon.
     public ImageIcon getImageIconAt(int number) {
          return suite[number];
     *     Returns the target ImageIcon Name.
     public String getImageIconNameAt(int number) {
          return collectionString[number];
     *     Returns an array of ALL the ImageIcons available.
     public ImageIcon[] getImageIcons() {
          return suite;
     *     Returns an array of ALL the ImageIcon names available
     public String[] getImageIconNames() {
          return collectionString;
     *     Returns TRUE for all cells
     public boolean isEditable(int row, int col) {
          return true;
*     Defines the table model for the tabel.
class MyTableModel extends AbstractTableModel {
     private SymbolCollection collection = null;
     private Object data[][] = null;
     *     Constructor for the TableModel. Initialises the "data" field for table.
     public MyTableModel() {
          int countOfImages = 0;
          collection = new SymbolCollection();
          data = new Object[getRowCount()][SymbolCollection.NUMBER_OF_COLUMNS];
          for(int i = 0; i < getRowCount(); i++) {
               for(int j = 0; j < SymbolCollection.NUMBER_OF_COLUMNS; j++) {
                    if(countOfImages == collection.getTotalNumberOfImages()) {
                         break;
                    data[i][j] = collection.getImageIconAt(countOfImages);
                    countOfImages++;
     *     Returns the number of rows for this table.
     *     It is calculated as : TotalNumber/NumberOfColumns if remainder is ZERO or,
     *                              TotalNumber/NumberOfColumns + 1 if not.
     public int getRowCount() {
          int numberOfRows = collection.getTotalNumberOfImages()/SymbolCollection.NUMBER_OF_COLUMNS;
          if(numberOfRows == 0) {
               return numberOfRows;
          else {
               return numberOfRows + 1;
     *     Returns the number of Columns for this table
     public int getColumnCount() {
          return SymbolCollection.NUMBER_OF_COLUMNS;
     *     Returns the CLASS data type for this table
     public Class getColumnClass(int col) {
          return collection.getImageIconAt(0).getClass();
     *     Returns the table data at (row, col).
     public Object getValueAt(int row, int col) {
          return data[row][col];
*     Renders the table to display images in individual cells
class CustomCellRenderer extends JLabel implements TableCellRenderer {
     public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int col) {
          setIcon((ImageIcon)value);
          return this;

Hi.
I have a populated JTable with ONLY ImageIcons in it. I need to generate event responses on mouseClicks. However, any event listener I associate with this, nothing seems to be happening.
(Somehow, I'm guess the ImageIcons - which are rendered on a JLabel, are/is the source of all troubles!!)
The code is below :
import java.io.File;
import java.awt.Point;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Container;
import java.awt.Component;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.ImageIcon;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel;
import javax.swing.table.TableColumn;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.AbstractTableModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
*     Entry point for the Images Table.
*     @author Raj Gaurav
public class SpecialCharacterDialog extends JDialog{
     String collectionString[] = null;
     ImageIcon suite[] = null;
     public SpecialCharacterDialog() {
          Container contentPane = getContentPane();
          //     Create the Table Model and create the Table from the model
          MyTableModel model = new MyTableModel();
          JTable table = new JTable(model);
          table.setDefaultRenderer(ImageIcon.class, new CustomCellRenderer());
          table.setCellSelectionEnabled(true);
          table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
ListSelectionModel rowSM = table.getSelectionModel();
rowSM.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
//Ignore extra messages.
if (e.getValueIsAdjusting()) return;
ListSelectionModel lsm = (ListSelectionModel)e.getSource();
if (lsm.isSelectionEmpty()) {
System.out.println("No rows are selected.");
} else {
int selectedRow = lsm.getMinSelectionIndex();
System.out.println("Row " + selectedRow
+ " is now selected.");
          //     Add the table to the contentPane
          JScrollPane pane = new JScrollPane(table);
          contentPane.add(pane);
*     This class contains all the DATA information, the ImageIcons
*     needed for display.
class SymbolCollection {
     final static int NUMBER_OF_COLUMNS = 15;
     private String collectionString[] = null;
     private ImageIcon suite[] = null;
     *     Constructor : Initialises all the ImageIcon and their Names.
     public SymbolCollection() {
          File f = new File("C:\\Test\\Images");
          collectionString = f.list();
          int numberOfImages = collectionString.length;
          suite = new ImageIcon[numberOfImages];
          for(int i = 0;i < numberOfImages; i++) {
               suite[i] = new ImageIcon("C:\\Test\\images" + File.separator + collectionString);
     *     Returns the total number of images in "images" folder.
     public int getTotalNumberOfImages() {
          return suite.length;
     *     Returns the target ImageIcon.
     public ImageIcon getImageIconAt(int number) {
          return suite[number];
     *     Returns the target ImageIcon Name.
     public String getImageIconNameAt(int number) {
          return collectionString[number];
     *     Returns an array of ALL the ImageIcons available.
     public ImageIcon[] getImageIcons() {
          return suite;
     *     Returns an array of ALL the ImageIcon names available
     public String[] getImageIconNames() {
          return collectionString;
     *     Returns TRUE for all cells
     public boolean isEditable(int row, int col) {
          return true;
*     Defines the table model for the tabel.
class MyTableModel extends AbstractTableModel {
     private SymbolCollection collection = null;
     private Object data[][] = null;
     *     Constructor for the TableModel. Initialises the "data" field for table.
     public MyTableModel() {
          int countOfImages = 0;
          collection = new SymbolCollection();
          data = new Object[getRowCount()][SymbolCollection.NUMBER_OF_COLUMNS];
          for(int i = 0; i < getRowCount(); i++) {
               for(int j = 0; j < SymbolCollection.NUMBER_OF_COLUMNS; j++) {
                    if(countOfImages == collection.getTotalNumberOfImages()) {
                         break;
                    data[i][j] = collection.getImageIconAt(countOfImages);
                    countOfImages++;
     *     Returns the number of rows for this table.
     *     It is calculated as : TotalNumber/NumberOfColumns if remainder is ZERO or,
     *                              TotalNumber/NumberOfColumns + 1 if not.
     public int getRowCount() {
          int numberOfRows = collection.getTotalNumberOfImages()/SymbolCollection.NUMBER_OF_COLUMNS;
          if(numberOfRows == 0) {
               return numberOfRows;
          else {
               return numberOfRows + 1;
     *     Returns the number of Columns for this table
     public int getColumnCount() {
          return SymbolCollection.NUMBER_OF_COLUMNS;
     *     Returns the CLASS data type for this table
     public Class getColumnClass(int col) {
          return collection.getImageIconAt(0).getClass();
     *     Returns the table data at (row, col).
     public Object getValueAt(int row, int col) {
          return data[row][col];
*     Renders the table to display images in individual cells
class CustomCellRenderer extends JLabel implements TableCellRenderer {
     public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int col) {
          setIcon((ImageIcon)value);
          return this;

Help needed on convert JTable to Image

Hi, all
I have made an application that can output a JTable with different colours in its every cells. Now I want to select the whole Table and put it as an Image to one of the Image Viewer Softwares(e.g. windows picture viewer).
Is there anyone knows how to do that?
Thanks in advance!
Regards,
swat.

Now I want to select the whole Table and put it as an
Image to one of the Image Viewer Softwares(e.g.
windows picture viewer). If you don't have to do it programmatically, and you are working on windows, select the window with the table, Alt-PrtScr will copy just that window into the clipboard, and you can paste it into many different apps, including image views, word, so on.

ComboBoxRenderer on JTable - incorrect image when pressed again

I have a JTable with a combobox (with images) the user can select an image from a dropdown box. the renderer I'm using (and I guess this is where I'm wrong) is this:
import java.awt.Component;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;
class ComboBoxRenderer extends JLabel implements ListCellRenderer
    public ComboBoxRenderer()
        setOpaque(true);
        setHorizontalAlignment(CENTER);
        setVerticalAlignment(CENTER);
    public Component getListCellRendererComponent
        JList list,
        Object value,
        int index,
        boolean isSelected,
        boolean cellHasFocus)
        if (isSelected)
           setBackground(list.getSelectionBackground());
           setForeground(list.getSelectionForeground());
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}The problem is this:
I have 3 images (1,2,3). Say the user choose image 1 for row 1, image 2 for row 2...image 3 for row 3.
If he wants to make a correction in row 1 (and change it to image 3) once he clicks the dropdown box he gets image 3 (?!) this is the last image he pressed. In other words, instead of getting the image he alrady pressed, he gets the last image he chose on the dropdown box.
Any idea?

No idea what you are talking about. Your question is about a JTable, but you code is about a JList.
If you need further help then you need to create a [url http://homepage1.nifty.com/algafield/sscce.html]Short, Self Contained, Compilable and Executable, Example Program that demonstrates the incorrect behaviour, because I can't guess exactly what you are doing based on the information provided.
And don't forget to use the [url http://forum.java.sun.com/help.jspa?sec=formatting]Code Formatting Tags so the code retains its original formatting.
I suggest you also start responding to previous questions berfore posting new questions.

I want to make a slideshow to view on my television with image's duration ranging from seconds to an hour or more and I want to use my iPhone or iPad mini to control the television through my Apple tv. I've been unable to locate an app that will do this.

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iPhoto for iPad is getting some terrible recent reviews. I tried a couple other free apps but they don't use Airplay.
I can do something like this with iPhoto and my MB Air, but it's kind of ugly to have the computer open in order to connect by Airplay to my Apple TV. I've thought the iPad or iPhone would be a lower profile controller.
Am I out of luck?

Thanks for your help. Since I'm uninterested in loading all my photos (the only option) into photostream, I won't be able to use the settings in ATV. I guess I'm just stuck with using iPhoto on my MB Air. Thanks again.
paul

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Hello, friends!
I need help solving following problem:
I need to create WYSIWYG editor, which just to enter text and image. Other options (like font-size, font-weight...) not need. Then when submit the form with richedit, all data in form with images must sent to server.
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Is this an Oracle question?

Online banking site now shows login page as text-only; on different computer it still shows page with images and clickables -- is there a fix?

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Try clearing your browser cache.
Tools > Clear Recent History... - hit Details and make sure only Cache is selected, then select Everything and hit the Clear Now button.

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Hi,
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ImageIcon Upload=new ImageIcon("images/Upload.gif");
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Button.addActionListener(new ActionListener()
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          int i=fileIn.read(buff);
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printout.writeBytes(content);
printout.flush ();
printout.close ();
Best Regards
Bikash

The errors are here:
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and here:
String content ="-----------------------------7d11e410e500f2\r\n"+"Con
ent-Disposition: form-data;"+"name=\"upload\";
filename=\""+aa+"\"\r\n"+"Content-Type:
application/octet-strem\r\n\r\n\r\n"+conffile+"--------
--------------------7d11e410e500f2--\r\n";
printout.writeBytes(content);conffie is sent to the server but
it's non possible to treat binary data as String!
Image files must be sent as byte[] NOT as String ......

Exception while Exporting Datagridview data with Images to Excel...

Hi Everyone,
I have datagridview in that 17 columns are text columns and 5 columns are Image columns,when I'm trying to export whole gridview data's along with images to EXCEL,getting "HRESULT:
0x800A03EC" Error..While debugging the code I'm getting the error on image column not able to export..
Can anybody help us to resolve this issue..
Here is my code which i used:
private void btnexportexcel_Click(object sender, EventArgs e)
try
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Excel.Workbook xlWorkBook;
Excel.Worksheet xlWorkSheet;
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releaseObject(xlWorkBook);
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MessageBox.Show("Excel file created , you can find the file " + savefile.FileName);
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MessageBox.Show("Invalid file type");
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MessageBox.Show("You did pick a location " + "to save file to");
catch (Exception ex)
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Thanks & Regards RAJENDRAN M

Hi Everyone,
I have datagridview in that 17 columns are text columns and 5 columns are Image columns,when I'm trying to export whole gridview data's along with images to EXCEL,getting "HRESULT:
0x800A03EC" Error..While debugging the code I'm getting the error on image column not able to export..
Can anybody help us to resolve this issue..
Here is my code which i used:
private void btnexportexcel_Click(object sender, EventArgs e)
try
SaveFileDialog savefile = new SaveFileDialog();
savefile.Filter = "Excel (*.xls)|*.xls";
if (savefile.ShowDialog() == DialogResult.OK)
if (!savefile.FileName.Equals(string.Empty))
FileInfo finfo = new FileInfo(savefile.FileName);
if (finfo.Extension.Equals(".xls"))
Excel.Application xlApp;
Excel.Workbook xlWorkBook;
Excel.Worksheet xlWorkSheet;
object misValue = System.Reflection.Missing.Value;
xlApp = new Excel.Application();
xlWorkBook = xlApp.Workbooks.Add(misValue);
xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(2) ;
int i = 0;
int j = 0;
for (i = 0; i <= dataGridView1.RowCount - 1; i++)
for (j = 0; j <= dataGridView1.ColumnCount - 1; j++)
DataGridViewCell cell = dataGridView1[j, i];
xlWorkSheet.Cells.Borders.LineStyle = Excel.XlLineStyle.xlContinuous;
xlWorkSheet.Columns.AutoFit();
if (cell.Value.GetType() == typeof(Bitmap))
string image =Convert.ToString(dataGridView1.CurrentRow.Cells[i].Value);
Excel.Range oRange = (Excel.Range)xlWorkSheet.Cells[i + 1, j + 1];
float Left = (float)((double)oRange.Left);
float Top = (float)((double)oRange.Top);
const float ImageSize = 32;
xlWorkSheet.Shapes.AddPicture(image, Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoCTrue, Left, Top, ImageSize, ImageSize);
oRange.RowHeight = ImageSize + 2;
else
xlWorkSheet.Cells[i + 1, j + 1] = cell.Value;
xlWorkBook.SaveAs(savefile.FileName, Excel.XlFileFormat.xlWorkbookNormal, misValue, misValue, misValue, misValue,
Excel.XlSaveAsAccessMode.xlExclusive, misValue, misValue, misValue, misValue, misValue);
xlWorkBook.Close(true, misValue, misValue);
xlApp.Quit();
releaseObject(xlWorkSheet);
releaseObject(xlWorkBook);
releaseObject(xlApp);
MessageBox.Show("Excel file created , you can find the file " + savefile.FileName);
else
MessageBox.Show("Invalid file type");
else
MessageBox.Show("You did pick a location " + "to save file to");
catch (Exception ex)
MessageBox.Show("Exception Occured", ex.Message);
Thanks & Regards RAJENDRAN M

Problem in creating client side PDF with image using flex and AlivePD

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I am having a similar and more serious problem. It takes a
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100k jpeg files being attached. The resulting PDF is too large to
email or process effectively. Does anyone know how to reduce
size/processing?

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When I print a text document with images the printer stops printing and cancels the print job when it starts to print any image.
Help
This question was solved.
View Solution.

Hey @sudiegal!
Thanks for posting on the HP Forums!
I would be happy to provide some suggestions that may resolve the issue. I can see that the printer cancels the jobs when you add a photo to you text document. The first thing I suggest is to remove the printer by resetting the print system. After the printer is removed re-add the printer and try printing the document again.
To reset the printing system:
1. Click the Apple icon at the top left of the computer
2. Click System Preferences
3. Click Printers and Scanners
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5. Click reset printing system dropdown
6. It may ask for Mac ID and will color wheel for a moment until the printer is removed
To re-add the printer:
1. Click the Apple icon at the top left of the computer
2. Click System Preferences
3. Click Printers and Scanners
4. Click the plus (+) icon under the printers list
5. Select your printer
6. Choose HP ENVY 7640 series in the dropdown next to "use" or "print using"
7. Click add
Please post back and let me know if this works out for you!
Cbert
I work on behalf of HP.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" at the bottom of this post to say “Thanks” for helping!

How to concatenate the values in single row with images or colours

hi all,
i am apex 4.2,
i tried to execute a plsql query for the values concatenate two values into same column
example in my table
i am having teachers list one can teach two or three subjects
in table i am saving like
teacher_id teacher_name salary subjects
1 ram 5000 science,maths
2 gang 4000 maths,science,english
but my report should come like
teacher_id teacher_name salary subjects
1 ram 5000 science maths i have to highlighting these subjects with images or with different colors
2 gang 4000 maths english science
can any one help me please
thanks & regards
pavan
Edited by: Pavan on Apr 9, 2012 4:15 AM
Edited by: Pavan on Apr 9, 2012 4:22 AM

First of all, i would split the subjects column.
If you for sure only need up to 3 subjects, you could make three columns subject1, subject2, subject3.
If you may have an indefinite number of subjects for each teacher, you might create a detail-table with the subjects for each teacher.
I also would create a list of values for the subjects, either based on static values or based on another table with the subjects allowed.
Now that the subject-names are fixed you could create a subject-image for each subject, named as the subject itself. Then you "construct" the image for each subject as
<img src="#APP_IMAGES##SUBJECT_NAME#.png"/>

I have created two related books in Lightroom 5 (Volumes 1 and 2) but my balance of page numbers is off. So I'd like to take some pages out of one book (complete with images) and paste them into the other. Is this possible?

I have created two related Blurb books in Lightroom 5 (Volumes 1 and 2) but my balance of page numbers is off. So I'd like to take some pages out of one book (complete with images) and paste them into the other. Is this possible?

Can you zip up a few of your GoPro images, upload them to dropbox.com and post a share link, here, so others can experiment with them, or do you mean this issue is global to all camera models?

How to populate a page with images in across/down direction?

Hi,
Does anyone know how to populate a page with images in across and down direction (for example 6 X 6 )? It seems that I cannot use data table because records are only running downward and each row can have one record.
Any suggestion would be appreciated. thanks.

Alex,
You can create your own tabular form using APEX_ITEM API's
Create report and you can put similar code to following
SELECT APEX_ITEM.TEXT(1,col1) pk1, APEX_ITEM.TEXT(2,col2) pk2 FROM your_tableSo data will be displayed in TEXT boxes as if it's a tabular form. Now you need to handle INSERT/UPDATE/DELETE processes manually. You can easily handle INSERT and DELETE. But handling UPDATE can be a nightmare. What if user has updated both the column values?
Updated details
One way out would be to use ROWID as Primary key to handle DELETE and UPDATE
SELECT APEX_ITEM.CHECKBOX(1,ROWID) tick, APEX_ITEM.TEXT(2,col1) pk1, APEX_ITEM.TEXT(3,col2) pk2 FROM your_tablebut yet I suggest to go for proper primary key..
Regards,
Hari
Edited by: Hari_639 on Dec 3, 2009 6:52 PM

How to use recursion with images

Ok, for this program I'm trying to recursively repeat an image 3 times with varying widths and heights, and I don't know how to do that with images. With rectangles and other shape objects it's easy because all I had to do was override the draw method, but with images I'm not sure what to override to allow me to repeat the drawing of it with a different height and width. Any help would be greatly appreciated.

Would I be able to work that in with recursion? Currently I have a JPanel with the paintComponent method being overridden, and I've tried setting up the paintComponent method to call itself to repaint the image, but I've realized everytime I resize the application's window paintComponent gets called again making the images go out of site. Is there a way to override the drawImage method to allow me to change the width and height of the image without causing the panel to repaint itself?

JTable with Images

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