package org.autoplot.jythonsupport.ui; import java.awt.Cursor; import java.awt.Desktop; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.io.IOException; import java.net.URI; import java.net.URISyntaxException; import java.net.URL; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JLabel; import org.das2.util.LoggerManager; import org.das2.util.filesystem.HtmlUtil; /** * check for links in label. * @author jbf */ public final class JLinkyLabel extends JLabel { private final Logger logger= LoggerManager.getLogger("jython.editor"); URI uri; public JLinkyLabel( URL context, String label ) { super(label); List uu= HtmlUtil.getLinks( context, label ); if ( uu.size()>0 ) { try { uri= uu.get(0).toURI(); } catch (URISyntaxException ex) { logger.log(Level.INFO, "Unable to use URL: {0}", uu.get(0)); uri= null; } } else if ( uu.size()>1 ) { uri= null; } addMouseListener( myMouseLister() ); } private MouseListener myMouseLister() { return new MouseListener() { @Override public void mouseClicked(MouseEvent e) { if ( uri!=null ) { try { Desktop.getDesktop().browse( uri ); } catch (IOException ex) { logger.log(Level.SEVERE, null, ex); } } } @Override public void mousePressed(MouseEvent e) { } @Override public void mouseReleased(MouseEvent e) { } @Override public void mouseEntered(MouseEvent e) { if ( uri!=null ) { JLinkyLabel.this.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR)); setToolTipText( uri.toString() ); } } @Override public void mouseExited(MouseEvent e) { if ( uri!=null ) { JLinkyLabel.this.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); setToolTipText( null ); } } }; } }