how to select the entire row of a Jtable using Defaultcellrenderer which changes the color of the line

Question

Hello, I’m working with Jtables and on such a Jtable I needed to leave some lines in differentiated colors, so I implemented the method

class cellRenderModel extends DefaultTableCellRenderer {

/**
 *
 */
private static final long serialVersionUID = 1L;

ModelCartao mCard;

public cellRenderModel(ModelCartao mc) {
    this.mCard = mc;
}

@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
    JLabel label = (JLabel) super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
    Color c = Color.WHITE;
    if (mCard.isCor(row)) {//Verifica se é para pintar ou não (funcionando perfeitamente!)
        c = Color.GREEN;
        label.setBackground(c);
    } else {
        c = Color.WHITE;
        label.setBackground(c);
    }
    return label;
}
}

And left as table defaultRender

minhaTabela.setDefaultRenderer(Object.class,new cellRenderModel(mCard));

The problem:

before the implementation of this method, as selected by Jtable, he selected the entire line (leave the selected line in blue) as is the Jtable standard. However, after formatted as described, it lost this feature, I would like it to come back as before, that it selects the entire line as it clicks or presses up or down.

And another problem: when I click on the table, it shows a "focus" on the cell, like a blue slightly more emblematic than the common selection, around such a cell, but when the table loses focus, this feature also disappears, only coming back when it regains focus again, I’d like to make that appear all the time. and if possible, change also.

NOTE: I tried to add this mouseListener but it didn’t work:

minhaTabela.addMouseListener(new MouseListener() {
        @Override
        public void mouseReleased(MouseEvent e) {
            int row = minhaTabela.getSelectedRow();
            int col = minhaTabela.getSelectedColumn();
            tbFin.setRowSelectionInterval(row,row);
            tbFin.setColumnSelectionInterval(col,col);
        }

        @Override
        public void mouseClicked(MouseEvent e) {
        }

        @Override
        public void mousePressed(MouseEvent e) {
        }

        @Override
        public void mouseEntered(MouseEvent e) {
        }

        @Override
        public void mouseExited(MouseEvent e) {
        }
    });

here are my Jtable’s "settings":

tb.getTableHeader().setReorderingAllowed(false);
    tb.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
    tb.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
    tb.getTableHeader().setResizingAllowed(false);
    tb.setColumnSelectionAllowed(true);
    tb.setRowSelectionAllowed(true);
    tb.setDefaultRenderer(Object.class, new celRenderModel(mCard));
    tb.setCellSelectionEnabled(false);
    tb.setRowSelectionAllowed(true);

From Now, thank you!

Answer 1

way I found to solve my problem:

class celRenderModel extends DefaultTableCellRenderer {

/**
 *
 */
private static final long serialVersionUID = 1L;

ModelCartao mCard;

public celRenderModel(ModelCartao mc) {
    this.mCard = mc;
}

@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {

    Color c = Color.WHITE;
    if (mCard.isCor(row)) {//Verifica se é para pintar ou não (funcionando perfeitamente!)
        c = Color.GREEN;
        setBackground(c);
    } else {
        c = Color.WHITE;
        setBackground(c);
    }
    return super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
}
}

I hope this helps anyone with that same doubt!!!

Answer 2

It’s simple. Delete these lines below. One of them must have been created automatically by the IDE in the table construction:

jTable.getColumnModel(). getSelectionModel(). setSelectionMode(javax.swing.Listselectionmodel.MULTIPLE_INTERVAL_SELECTION);

OR jTable.getColumnModel(). getSelectionModel(). setSelectionMode(javax.swing.Listselectionmodel.SINGLE_SELECTION);

OR

jTable.getColumnModel(). getSelectionModel(). setSelectionMode(javax.swing.Listselectionmodel.SINGLE_INTERVAL_SELECTION);

In doing so, the entire line is selected.

Answer 3

Have you tried setRowSelectionAllowed(true) in his Jtable instance?

I suggest you take a look at the Java documentation http://docs.oracle.com/javase/6/docs/api/javax/swing/JTable.html#setRowSelectionAllowed(Boolean)

And also read this tutorial sbore the Table components in Java http://docs.oracle.com/javase/tutorial/uiswing/components/table.html

I hope this has helped you :)