Problème d'hypertexte avec une JTable
Salut à tous,
J'ai un problème avec un lien hypertexte sur une JTable, le code fonctionne sur un simple label mais pas avec ma JTable.
Voici ma classe complète fonctionnel :
Code:
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|
package table;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.Desktop;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.concurrent.ExecutionException;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;
import javax.swing.SwingUtilities;
import javax.swing.SwingWorker;
import javax.swing.border.LineBorder;
import javax.swing.table.DefaultTableModel;
public class TestLinkPerso extends JFrame
{
private static final long serialVersionUID = 1L;
private static final String LABEL_TEXT = "For further information visit:";
private static String A_VALID_LINK;
private static final String A_HREF = "<a href=\"";
private static final String HREF_CLOSED = "\">";
private static final String HREF_END = "</a>";
private static final String HTML = "<html>";
private static final String HTML_END = "</html>";
private JTable table;
private JScrollPane elevator;
private JPopupMenu popupMenu;
private JMenuItem menuItemCopyAll;
private JMenuItem menuItemRemoveAll;
public TestLinkPerso() {
this.setTitle("HTML link via a JLabel");
this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
table = new JTable();
final DefaultTableModel model = (DefaultTableModel) table.getModel();
model.addColumn("Links");
/*table.getColumnModel().getColumn(0)
.setCellRenderer(new CustomTableCellRenderer(label));
*/
table.setAutoCreateRowSorter(true);
table.setEnabled(false);
//table.setBackground(Color.lightGray);
//table.setGridColor(Color.lightGray);
table.setBorder(new LineBorder(new Color(0, 0, 0), 1, true));
table.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
table.getSelectionModel().clearSelection();
// constructs the popupMenu
popupMenu = new JPopupMenu();
menuItemCopyAll = new JMenuItem("Copy All Rows");
menuItemRemoveAll = new JMenuItem("Remove All Rows");
//menuItemCopyAll.addActionListener(new Events());
menuItemCopyAll.setToolTipText("Click to copy all lines");
//menuItemRemoveAll.addActionListener(new Events());
menuItemRemoveAll.setToolTipText("Click to remove all lines");
popupMenu.add(this.menuItemCopyAll);
popupMenu.add(this.menuItemRemoveAll);
// sets the popup menu for the table
table.setComponentPopupMenu(this.popupMenu);
//table.addMouseListener(new MouseReleased(table));
final Container contentPane = getContentPane();
contentPane.setLayout(new BorderLayout());
JPanel panNorth = new JPanel();
final JPanel panSouth = new JPanel();
final JLabel label = new JLabel(LABEL_TEXT);
panNorth.add(label);
final JTextField text = new JTextField(10);
panNorth.add(text);
JButton button = new JButton("Show Link");
button.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent e)
{
if (!text.getText().isEmpty())
{
A_VALID_LINK = "http://"+ text.getText();
JLabel link = new JLabel();
link.setText(A_VALID_LINK);
link.setToolTipText("Click to go to : "+ A_VALID_LINK);
if (isBrowsingSupported())
{
JPanel panel = createPane(link, new LinkMouseListener());
panSouth.add(panel);
}
else if (!isBrowsingSupported())
{
JOptionPane.showMessageDialog(null,"This links is unsupported");
}
}
contentPane.add(panSouth, BorderLayout.SOUTH);
pack();
}
});
contentPane.add(panNorth, BorderLayout.NORTH);
contentPane.add(button);
pack();
}
private JPanel createPane(JLabel label, MouseListener ml)
{
DefaultTableModel model = (DefaultTableModel) table.getModel();
assert ml != null;
label.setText(htmlIfy(linkIfy(label.getText())));
label.setCursor(new Cursor(Cursor.HAND_CURSOR));
label.addMouseListener(ml);
//"<a href=\"http://www.google.fr\">Url</a>"
model.insertRow(0, new Object[]{label.getText()});
table.repaint();
// NOTE 2: Using a custom cell renderer
table.setDefaultRenderer(String.class, new CustomTableCellRenderer(label));
// Add into a scrollpane / regular pane
elevator = new JScrollPane(table,
JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
elevator.getViewport().setBackground(Color.WHITE);
JPanel panel = new JPanel();
panel.add(elevator);
return panel;
}
private static boolean isBrowsingSupported() {
if (!Desktop.isDesktopSupported()) {
return false;
}
boolean result = false;
Desktop desktop = Desktop.getDesktop();
if (desktop.isSupported(Desktop.Action.BROWSE)) {
result = true;
}
return result;
}
private static class LinkMouseListener extends MouseAdapter
{
@Override
public void mouseClicked(MouseEvent evt)
{
JLabel l = (JLabel) evt.getSource();
try {
URI uri = new URI(TestLinkPerso.getPlainLink(l.getText()));
(new LinkRunner(uri)).execute();
} catch (URISyntaxException use) {
throw new AssertionError(use + ": " + l.getText()); // NOI18N
}
}
}
private static class LinkRunner extends SwingWorker<Void, Void> {
private final URI uri;
private LinkRunner(URI u)
{
if (u == null) {
throw new NullPointerException();
}
uri = u;
}
@Override
protected Void doInBackground() throws Exception
{
Desktop desktop = Desktop.getDesktop();
desktop.browse(uri);
return null;
}
@Override
protected void done()
{
try {
get();
} catch (ExecutionException ee) {
handleException(uri, ee);
} catch (InterruptedException ie) {
handleException(uri, ie);
}
}
private static void handleException(URI u, Exception e)
{
JOptionPane
.showMessageDialog(
null,
"Sorry, a problem occurred while trying to open this link in your system's standard browser.",
"A problem occured", JOptionPane.ERROR_MESSAGE);
}
}
private static String getPlainLink(String s) {
return s.substring(s.indexOf(A_HREF) + A_HREF.length(),
s.indexOf(HREF_CLOSED));
}
// WARNING
// This method requires that s is a plain string that requires
// no further escaping
private static String linkIfy(String s) {
return A_HREF.concat(s).concat(HREF_CLOSED).concat(s).concat(HREF_END);
}
// WARNING
// This method requires that s is a plain string that requires
// no further escaping
private static String htmlIfy(String s) {
return HTML.concat(s).concat(HTML_END);
}
/**
* @param args
* the command line arguments
*/
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new TestLinkPerso().setVisible(true);
}
});
}
} |
N'hésitez pas pour les idée de customisation du code.
Et la classe CustomTableCellRenderer :
Code:
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package table;
import java.awt.Color;
import java.awt.Component;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.logging.Logger;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
/**
* <h1>Custom table cell</h1>
* <p>Change of color of messages info</p>
*
* @author t0163126
*/
public class CustomTableCellRenderer extends DefaultTableCellRenderer
{
private static final long serialVersionUID = 1L;
private static final Logger LOGGER = Logger.getLogger(TableLabel.class
.getName());
private JLabel label;
public CustomTableCellRenderer(JLabel label) {
this.label = label;
}
@Override
protected void setValue(Object value)
{
super.setValue(value);
String val = (String) value;
if (val.contains(".fr"))
{
this.setForeground(Color.blue);
}
else if (val.contains(".com"))
{
this.setForeground(Color.green);
}
}
public Component getTableCellRendererComponent(JTable table,
Object value, boolean isSelected, boolean hasFocus, int row,
int column)
{
LOGGER.info("Rendering (" + row + "," + column + ") - "
+ value.toString() + " as a label");
label = new JLabel(value.toString());
try {
// BTW: Ensure you are allowed to use the icons -
// This page seems to allow their use;
// http://www.iconarchive.com/show/hat-icons-by-rob-sanders/Hat-cowboy-black-icon.html
label.setIcon(new ImageIcon(new URL(
"http://www.iconarchive.com/icons/rob-sanders/hat/32/Hat-cowboy-black-icon.png")));
} catch (MalformedURLException mfe) {
LOGGER.severe("Aargh I cannot find the icon");
}
return label;
}
} |
Merci :) :)
