1.1.1: add UI component for Progress

[fanfix.git] / src / be / nikiroo / utils / ui / ProgressBar.java

diff --git a/src/be/nikiroo/utils/ui/ProgressBar.java b/src/be/nikiroo/utils/ui/ProgressBar.java
new file mode 100644 (file)
index 0000000..2abd2b7
--- /dev/null
+++ b/src/be/nikiroo/utils/ui/ProgressBar.java
@@ -0,0 +1,81 @@
+package be.nikiroo.utils.ui;
+
+import java.awt.BorderLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JProgressBar;
+import javax.swing.SwingUtilities;
+
+import be.nikiroo.utils.Progress;
+
+public class ProgressBar extends JPanel {
+       private static final long serialVersionUID = 1L;
+
+       private JProgressBar bar;
+       private JLabel label;
+       private List<ActionListener> listeners;
+
+       public ProgressBar() {
+               bar = new JProgressBar();
+               label = new JLabel();
+               listeners = new ArrayList<ActionListener>();
+
+               setLayout(new BorderLayout());
+       }
+
+       public void setProgress(Progress pg) {
+               if (pg == null) {
+                       setPresent(false);
+               } else {
+                       label.setText(pg.getName());
+                       bar.setMinimum(pg.getMin());
+                       bar.setMaximum(pg.getMax());
+                       bar.setValue(pg.getProgress());
+
+                       pg.addProgressListener(new Progress.ProgressListener() {
+                               public void progress(final Progress progress, final String name) {
+                                       SwingUtilities.invokeLater(new Runnable() {
+                                               public void run() {
+                                                       label.setText(name);
+                                                       bar.setValue(progress.getProgress());
+
+                                                       if (progress.isDone()) {
+                                                               for (ActionListener listener : listeners) {
+                                                                       listener.actionPerformed(new ActionEvent(
+                                                                                       ProgressBar.this, 0, "done"));
+                                                               }
+                                                       }
+                                               }
+                                       });
+                               }
+                       });
+
+                       setPresent(true);
+               }
+       }
+
+       public void addActioListener(ActionListener l) {
+               listeners.add(l);
+       }
+
+       public void clearActionListeners() {
+               listeners.clear();
+       }
+
+       private void setPresent(boolean present) {
+               removeAll();
+
+               if (present) {
+                       add(label, BorderLayout.NORTH);
+                       add(bar, BorderLayout.CENTER);
+               }
+
+               validate();
+               repaint();
+       }
+}