🚀 go-pugleaf

Thank you very much for helping me, you save my life
Regards
Hilde

"John P. McGrath" wrote:

> On Tue, 28 Mar 2000 16:47:40 -0600, Fam. Moreno-Lehmann wrote:
>
> > I have a labelCellRender for a JTable, because I want to display
> > an imageIcon depending on something. Everything works fine except
> > that when I select the cell, the selectionColor does not show,
> > so you can�t see which cell is being selected.
>    :
>    :
> > class labelCellRenderer  extends JLabel implements TableCellRenderer {
> >   public labelCellRenderer() {
> >       super();
> >   }
> >   public Component getTableCellRendererComponent( JTable table,
> >       Object value, boolean isSelected, boolean hasFocus,
> >       int row, int column )
> >   {
> >      if(value==null) { return this;}
> >      if(value instanceof Detail) {
> >         Detail detail = (Detail)value;
> >         int level = detail.getLevel();
> >         String description = detail.getDescription();
> >         setText(description);
> >         this.setIcon(image[level]);}
> >       }
> > }
>
> Your CellRenderer is not doing anything with the "isSelected" argument,
> which is what tells the renderer that it should render the cell as
> selected.  The normal thing to do here would be to set the background of
> the label to the selection color.
>
> It would also be normal to draw a focus indicator if the "hasFocus"
> argument is true.  Here, the normal thing is to draw a box around the
> cell, using a dashed line.
>
> But there is no need to mess with either the selection or the focus,
> since this is already implemented in the DefaultTableCellRenderer class.
> Try the following code, instead:
>
>     class labelCellRenderer extends DefaultTableCellRenderer {
>         protected void setValue(Object value) {
>             if (value instanceof Detail) {
>                 Detail detail = (Detail) value;
>                 int level = detail.getLevel();
>                 String description = detail.getDescription();
>                 setText(description);
>                 setIcon(image[level]);
>             }
>         }
>     }
>
> --
> John P. McGrath
> <JPMcGrath@fast.net>
> <jpm@nscs.fast.net>