Can't displaying combo box list - combobox

Question

I have a problem with a combo box, I can't display the data inside the combo, I have to do right click before a left click to show my data, but with a just a left click its not possible.
The below image show the first case(when I do a left click)
.
The below image show the second case(when I do a right click before the left click)
Thanks for help

Answer 1

/**
* Configure the renderer appropriately with the status of the
* Drawing object.
*/
public Component getListCellRendererComponent( JList list,
Object value,
int index,
boolean isSelected,
boolean cellHasFocus ) {
Component theResult = super.getListCellRendererComponent( list, value, index, isSelected, cellHasFocus );
System.out.println("theResult : "+theResult.toString());
System.out.println("déb methode getLi class AWICombo => value "+value+" ,index "+index+" ,isSelected "+isSelected+",celhasFocus "+cellHasFocus);
// display crash in combo box with jdk 1.3 : setOpaque(true) solves the problem.
//( (JComponent) theResult ).setOpaque( true );
//setOpaque( true );
if ( index == -1 ) {
System.out.println("In if index == -1");
return theResult;
}
try {
System.out.println("In try bloc 1");
boolean notEmpty = false;
AWCState theObjectToDisplay = null;
try {
System.out.println("In try bloc 2");
System.out.println("index " +index);
System.out.println("theModel call :" +theModel.toString());
theObjectToDisplay = (AWCState) theModel.theComboValues.elementAt( index );
System.out.println("theObjectToDisplay => "+theObjectToDisplay.toString());
System.out.println("dans conbobox "+index);
} catch ( java.lang.ArrayIndexOutOfBoundsException aioobe ) {
aioobe.printStackTrace();
}
// test if the first square of the conbo box is empty for doen't set the tool tips
if ( theObjectToDisplay != null ) {
System.out.println("In if 1");
if ( theObjectToDisplay.toString() != null ) {
System.out.println("In if 2");
if ( value.toString().compareTo( theObjectToDisplay.toString() ) != 0 ) {
System.out.println("In if 3");
if ( value.toString().compareTo( "" ) != 0 ) {
System.out.println("In if 4");
theObjectToDisplay = (AWCState) theModel.theComboValues.elementAt( index - 1 );
notEmpty = true;
}
} else {
System.out.println("In else 1");
notEmpty = true;
}
}
} else {
System.out.println("In else 2");
theObjectToDisplay = (AWCState) theModel.theComboValues.elementAt( index - 1 );
notEmpty = true;
}
if ( isSelected ) {
System.out.println("In if isSelected "+list.getSelectionBackground());
System.out.println("In if isSelected "+list.getSelectionForeground());
setBackground( list.getSelectionBackground() );
setForeground( list.getSelectionForeground() );
setToolTip( list, notEmpty, theObjectToDisplay, value );
} else {
setBackground( list.getBackground() );
setForeground( list.getForeground() );
}
setFont( list.getFont() );
if ( value == null ) {
System.out.println("In if value == null");
setText("");
}
else {
setText(value.toString());
}
// object is not obsolete
if ( theObjectToDisplay == null || theObjectToDisplay.getStatus().equals( AWCConstants.OFFICIAL ) ) {
System.out.println("object is not obsolete theObjectToDisplay=>"+theObjectToDisplay.toString());
return theResult;
}
// object is obsolete
if ( index == 1 ) {
return theResult;
}
if ( !isSelected ) {
theResult.setBackground( Color.red );
} else {
theResult.setBackground( new Color( 155, 100, 155 ) );
}
}
catch ( NullPointerException npe ) {
npe.printStackTrace();
}
catch ( java.lang.ArrayIndexOutOfBoundsException aioobe ) {
aioobe.printStackTrace();
}
System.out.println("end of function");
return theResult;
}