🚀 go-pugleaf

JComboBox only works inside containers that have a JRootPane as the drop
downlist uses the LayeredPane. So it will work in things that extend JFrame
or JDialog but not things that just extend Frame or Dialog.

bl wrote:

> Where is the appropriate place to submit a bug report or look for other
> existing bug reports?
>
> I have been unable to get JB3 to allow me to put a combo box inside a
> table cell/column if I use DecoratedFrame as the top level frame.  The
> programs compile and run, but clicking on the dropdown control causes
> a brief flash of the menu, it never becomes accessible.
>
> Here is the simplest version of the code I was able to create that shows
>
> the problem.
>
> Taking this code and simply replacing "DecoratedFrame" with "JFrame"
> and then adding the 2 appropriate "getContentPane()" calls, makes it
> work fine.  The code here, when compiled on my system, will not let
> me access the ComboBox.  Is there something I'm not understanding about
> the interactions between Swing components and JB components?
>
> thanks for any help,
> b
> blincoln@ssesco.com
>
> --
>
> import java.awt.*;
> import java.awt.event.*;
> import com.borland.jbcl.control.*;
> import com.borland.jbcl.layout.*;
> import javax.swing.*;
> import javax.swing.table.*;
>
> public class Frame1 extends DecoratedFrame {
>   XYLayout xYLayout2 = new XYLayout();
>   BevelPanel bevelPanel1 = new BevelPanel();
>   BorderLayout borderLayout1 = new BorderLayout();
>   JScrollPane jScrollPane1 = new JScrollPane();
>   JTable jTable1;
>
>   //Construct the frame
>   public Frame1() {
>     try  {
>       jbInit();
>     }
>     catch(Exception e) {
>       e.printStackTrace();
>     }
>   }
>
>   //Component initialization
>   private void jbInit() throws Exception  {
>     jTable1 = new JTable(new MyTableModel());
>     this.setLayout(borderLayout1);
>     this.setSize(new Dimension(529, 360));
>     TableColumn column = null;
>     SetUpPopup(jTable1.getColumnModel().getColumn(3));
>     bevelPanel1.setLayout(xYLayout2);
>     this.add(bevelPanel1, BorderLayout.CENTER);
>     bevelPanel1.add(jScrollPane1, new XYConstraints(16, 50, 468, 101));
>     jScrollPane1.getViewport().add(jTable1, null);
>
>   }
>   //File | Exit action performed
>   public void fileExit_actionPerformed(ActionEvent e) {
>     System.exit(0);
>   }
>   class MyTableModel extends AbstractTableModel
>   {
>               final String[] columnNames = { "A", "B", "C", "D", "E" };
>               String  [][] Data = { { "11","12","13","14","15"} ,
> {"21","22","23","24","25"} } ;
>               public int getColumnCount() { return columnNames.length; }
>
>               public int getRowCount() {  return 2;   }
>
>               public String getColumnName(int col) {  return
> columnNames[col];   }
>
>               public Object getValueAt(int row, int col)
>              {   return Data[row][col];
>               }
>
>               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)
>        {   return true;              }
>
>          public void setValueAt(Object value, int row, int col)
>   {   Data[row][col] = (String) value;
>     }
>   }
>
>   public void SetUpPopup(TableColumn myCol)
>   {
>         //Set up the editor for the Num Bytes cells.
>         JComboBox JCB = new JComboBox();
>         JCB.addItem("4");
>         JCB.addItem("2");
>         JCB.addItem("1");
>        JCB.addItem("this is too");
>         myCol.setCellEditor(new DefaultCellEditor(JCB));
>         DefaultTableCellRenderer renderer = new
> DefaultTableCellRenderer();
>         myCol.setCellRenderer(renderer);
>
>     }
>
>   public static void main(String[] args) {
>     Frame1 frame = new Frame1();
>     if (packFrame)
>       frame.pack();
>     else
>       frame.validate();
>     frame.setVisible(true);
>  }
> }