src/be/nikiroo/utils/ui/ProgressBar.java

   1 package be.nikiroo.utils.ui;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.event.ActionEvent;
   5 import java.awt.event.ActionListener;
   6 import java.util.ArrayList;
   7 import java.util.List;
   8
   9 import javax.swing.JLabel;
  10 import javax.swing.JPanel;
  11 import javax.swing.JProgressBar;
  12 import javax.swing.SwingUtilities;
  13
  14 import be.nikiroo.utils.Progress;
  15
  16 public class ProgressBar extends JPanel {
  17         private static final long serialVersionUID = 1L;
  18
  19         private JProgressBar bar;
  20         private JLabel label;
  21         private List<ActionListener> listeners;
  22
  23         public ProgressBar() {
  24                 bar = new JProgressBar();
  25                 label = new JLabel();
  26                 listeners = new ArrayList<ActionListener>();
  27
  28                 setLayout(new BorderLayout());
  29         }
  30
  31         public void setProgress(Progress pg) {
  32                 if (pg == null) {
  33                         setPresent(false);
  34                 } else {
  35                         label.setText(pg.getName());
  36                         bar.setMinimum(pg.getMin());
  37                         bar.setMaximum(pg.getMax());
  38                         bar.setValue(pg.getProgress());
  39
  40                         pg.addProgressListener(new Progress.ProgressListener() {
  41                                 public void progress(final Progress progress, final String name) {
  42                                         SwingUtilities.invokeLater(new Runnable() {
  43                                                 public void run() {
  44                                                         label.setText(name);
  45                                                         bar.setValue(progress.getProgress());
  46
  47                                                         if (progress.isDone()) {
  48                                                                 for (ActionListener listener : listeners) {
  49                                                                         listener.actionPerformed(new ActionEvent(
  50                                                                                         ProgressBar.this, 0, "done"));
  51                                                                 }
  52                                                         }
  53                                                 }
  54                                         });
  55                                 }
  56                         });
  57
  58                         setPresent(true);
  59                 }
  60         }
  61
  62         public void addActioListener(ActionListener l) {
  63                 listeners.add(l);
  64         }
  65
  66         public void clearActionListeners() {
  67                 listeners.clear();
  68         }
  69
  70         private void setPresent(boolean present) {
  71                 removeAll();
  72
  73                 if (present) {
  74                         add(label, BorderLayout.NORTH);
  75                         add(bar, BorderLayout.CENTER);
  76                 }
  77
  78                 validate();
  79                 repaint();
  80         }
  81 }