I have the following TableCellRenderer
(NOT DefaultTableCellRenderer
) which allows me to skip lines in my JTable
's cells:
import java.awt.Color;
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.UIManager;
import javax.swing.table.TableCellRenderer;
public class MyCellRenderer extends JTextArea implements TableCellRenderer {
Color highlightBackground = (Color) UIManager.get("Table.selectionBackground");
public MyCellRenderer() {
setLineWrap(true);
setWrapStyleWord(true);
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
setText((String) value); //or something in value, like value.getNote()...
setSize(table.getColumnModel().getColumn(column).getWidth(), getPreferredSize().height);
if (table.getRowHeight(row) != getPreferredSize().height) {
table.setRowHeight(row, getPreferredSize().height);
}
if (table.isRowSelected(row)) {
this.setBackground(highlightBackground);
} else {
this.setBackground(Color.WHITE);
}
return this;
}
}
I would just like to change the horizontal alignment of this renderer. (Meaning the cells would have the text in their center or right, right now it's left).
Here's how I use this TableCellRenderer :
Table.getColumnModel().getColumn(1).setCellRenderer(new MyCellRenderer());
I Have found the answer, thanks TT. for the hints, I simply removed the custom constructor and its linewrap, extended JTextPane, and added a few lines of code. For anyone who needs a class that allows skipping lines & setting horizontal alignment of cells, here's the code:
import java.awt.Color;
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.JTextPane;
import javax.swing.UIManager;
import javax.swing.table.TableCellRenderer;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledDocument;
public class MyCellRenderer extends JTextPane implements TableCellRenderer {
Color highlightBackground = (Color) UIManager.get("Table.selectionBackground");
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
setText((String) value);//or something in value, like value.getNote()...
setSize(table.getColumnModel().getColumn(column).getWidth(),
getPreferredSize().height);
if (table.getRowHeight(row) != getPreferredSize().height) {
table.setRowHeight(row, getPreferredSize().height);
}
if (table.isRowSelected(row)) {
this.setBackground(highlightBackground);
} else {
this.setBackground(Color.WHITE);
}
//Added lines
StyledDocument doc = this.getStyledDocument();
SimpleAttributeSet center = new SimpleAttributeSet();
StyleConstants.setAlignment(center, StyleConstants.ALIGN_CENTER);
doc.setParagraphAttributes(0, doc.getLength(), center, false);
//Added Lines
return this;
}
}