import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextPane;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.text.AbstractDocument;
import javax.swing.text.BoxView;
import javax.swing.text.ComponentView;
import javax.swing.text.Element;
import javax.swing.text.IconView;
import javax.swing.text.LabelView;
import javax.swing.text.ParagraphView;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledEditorKit;
import javax.swing.text.View;
import javax.swing.text.ViewFactory;
public class TextPaneTable extends JFrame
{
private JPanel contentPane;
private JTable table;
/**
* Launch the application.
*/
public static void main(String[] args)
{
EventQueue.invokeLater(new Runnable()
{
public void run()
{
try
{
TextPaneTable frame = new TextPaneTable();
frame.setVisible(true);
} catch (Exception e)
{
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public TextPaneTable()
{
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
contentPane.setLayout(new BorderLayout(0, 0));
setContentPane(contentPane);
JScrollPane scrollPane = new JScrollPane();
contentPane.add(scrollPane, BorderLayout.CENTER);
table = new JTable();
table.setModel(new DefaultTableModel(
new Object[][] {
{"Hallo\nWelt", "Welt Hallo"},
{"Welt", "Hallo"},
{"Hallo \nHallo\nHallo\nWelt", "Welt"},
{"Welt Hallo", "Hallo\n\n\nWelt"},
{"Hallo\n\nWelt", "Welt"},
{"Welt", null},
},
new String[] {
"New column", "New column"
}
));
scrollPane.setViewportView(table);
table.setDefaultRenderer(Object.class, new TableCellRenderer()
{
JTextPane textPane=new JTextPane();
{
textPane.setEditorKit(new MyEditorKit());
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
{
if(value!=null)
{
textPane.setText(value.toString());
}
else
{
textPane.setText(null);
}
int height=textPane.getPreferredSize().height;
if(table.getRowHeight(row)<height)
{
table.setRowHeight(row, height);
}
return textPane;
}
});
}
class MyEditorKit extends StyledEditorKit {
public ViewFactory getViewFactory() {
return new StyledViewFactory();
}
class StyledViewFactory implements ViewFactory {
public View create(Element elem) {
String kind = elem.getName();
if (kind != null) {
if (kind.equals(AbstractDocument.ContentElementName)) {
return new LabelView(elem);
} else if (kind.equals(AbstractDocument.ParagraphElementName)) {
return new ParagraphView(elem);
} else if (kind.equals(AbstractDocument.SectionElementName)) {
return new CenteredBoxView(elem, View.Y_AXIS);
} else if (kind.equals(StyleConstants.ComponentElementName)) {
return new ComponentView(elem);
} else if (kind.equals(StyleConstants.IconElementName)) {
return new IconView(elem);
}
}
return new LabelView(elem);
}
}
}
class CenteredBoxView extends BoxView {
public CenteredBoxView(Element elem, int axis) {
super(elem,axis);
}
protected void layoutMajorAxis(int targetSpan, int axis, int[] offsets, int[] spans) {
super.layoutMajorAxis(targetSpan,axis,offsets,spans);
int textBlockHeight = 0;
int offset = 0;
for (int i = 0; i < spans.length; i++) {
textBlockHeight+= spans[i];
}
offset = (targetSpan - textBlockHeight) / 2;
for (int i = 0; i < offsets.length; i++) {
offsets[i] += offset;
}
}
}
}
