Newbie - setting column alignment in JXTreeTable

[jdnc-interest]

Greetings,

I am new to the swingx libraries and am trying to set the alignment for a column in a treetable. I have searched high and low with no luck so would appreciate any help.

Here is a snippet of what I'm trying to do:

JXTreeTable tree = new JXTreeTable();
....
TableColumn column = tree.getColumnModel().getColumn(1);
DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();
renderer.setAlignmentX(Component.CENTER_ALIGNMENT);
column.setCellRenderer(renderer);

Thanks,
Kip
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[jdnc-interest]

Hi. Highlighters are good for UI stuff:

[code]
import java.awt.Component;
import javax.swing.JLabel;
import javax.swing.SwingConstants;
import org.jdesktop.swingx.decorator.AbstractHighlighter;
import org.jdesktop.swingx.decorator.ComponentAdapter;
import org.jdesktop.swingx.decorator.HighlightPredicate;

/**
 *
 * @author Martin Miller
 */
public class AlignmentHighlighter extends AbstractHighlighter implements SwingConstants
{
    public int alignment;
   
    public AlignmentHighlighter(int alignment) {
        this(alignment, null);
    }
   
    public AlignmentHighlighter(int alignment, HighlightPredicate predicate) {
       super(predicate);
       this.alignment = alignment;
    }
   
    protected Component doHighlight(Component renderer, ComponentAdapter adapter) {
        applyAlignment(renderer, adapter);
        return renderer;
    }
   
    protected void applyAlignment(Component renderer, ComponentAdapter adapter) {
        ((JLabel)renderer).setHorizontalAlignment(alignment);
    }
}
[/code]

Example Usage:
[code]
addHighlighter(new AlignmentHighlighter(AlignmentHighlighter.CENTER,
            new ColumnHighlightPredicate(**column #***)));
[/code]
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[Kleopatra]

jdnc-interest@... schrieb:
> I am new to the swingx libraries and am trying to set the alignment for a column in a treetable. I have searched high and low with no luck so would appreciate any help.
>
>  

how about reading the javadoc of the classes in the renderer package ;-)

Alignment is (arguably, Martin - Highlighters are fine as well :-) part
of the default visual configuration and can be set in SwingX default
renderers like

[code]
treeTable.getColumn(1).setCellRenderer(
   new DefaultTableRenderer(null, JLabel.CENTER));
[/code]

(Note to myself: add constructors which take alignment as single parameter)


> DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();
> renderer.setAlignmentX(Component.CENTER_ALIGNMENT);
>  

- don't use core default renderers (they don't play nicely with SwingX
Highlighters)
- the not-working of the alignmentX has nothing to do with SwingX (I
think you should read up on the difference between alignmentX vs.
horizontalAlignment :-)

HTH
Jeanette

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[jdnc-interest]

Can't remember if this was ever mooted before but have you thought about logging or throwing a RTFMException<g> if anyone tried to attach one of the default core renderers to a JXComponent? or would that be taking the whole imperial thing too far? ;)

Aren't they OK if you don't use highlighters nor painters or the column sorting?
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