tim/prune/load/MediaLoadProgressDialog.java

   1 package tim.prune.load;
   2
   3 import java.awt.event.ActionEvent;
   4 import java.awt.event.ActionListener;
   5
   6 import javax.swing.BorderFactory;
   7 import javax.swing.BoxLayout;
   8 import javax.swing.JButton;
   9 import javax.swing.JDialog;
  10 import javax.swing.JFrame;
  11 import javax.swing.JLabel;
  12 import javax.swing.JPanel;
  13 import javax.swing.JProgressBar;
  14
  15 import tim.prune.I18nManager;
  16 import tim.prune.function.Cancellable;
  17
  18 /**
  19  * Class to show a progress dialog for loading media.
  20  * Used for regular photo / audio loads plus the async
  21  * loading function.
  22  */
  23 public class MediaLoadProgressDialog
  24 {
  25         private JDialog _progressDialog   = null;
  26         private JProgressBar _progressBar = null;
  27         private JFrame _parentFrame = null;
  28         private Cancellable _function = null;
  29
  30         /**
  31          * Constructor
  32          * @param inParentFrame parent frame for creating dialog
  33          * @param inFunction function which can be cancelled
  34          */
  35         public MediaLoadProgressDialog(JFrame inParentFrame, Cancellable inFunction)
  36         {
  37                 _parentFrame = inParentFrame;
  38                 _function = inFunction;
  39         }
  40
  41         /**
  42          * Create the dialog to show the progress
  43          */
  44         private void createProgressDialog()
  45         {
  46                 _progressDialog = new JDialog(_parentFrame, I18nManager.getText("dialog.jpegload.progress.title"));
  47                 _progressDialog.setLocationRelativeTo(_parentFrame);
  48                 _progressBar = new JProgressBar(0, 100);
  49                 _progressBar.setValue(0);
  50                 _progressBar.setStringPainted(true);
  51                 _progressBar.setString("");
  52                 JPanel panel = new JPanel();
  53                 panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
  54                 panel.setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));
  55                 panel.add(new JLabel(I18nManager.getText("dialog.jpegload.progress")));
  56                 panel.add(_progressBar);
  57                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
  58                 cancelButton.addActionListener(new ActionListener() {
  59                         public void actionPerformed(ActionEvent e)
  60                         {
  61                                 _function.cancel();
  62                         }
  63                 });
  64                 panel.add(cancelButton);
  65                 _progressDialog.getContentPane().add(panel);
  66                 _progressDialog.pack();
  67                 _progressDialog.setVisible(true);
  68         }
  69
  70         /**
  71          * Show the dialog in indeterminate mode, before limits are calculated
  72          */
  73         public void show()
  74         {
  75                 if (_progressDialog == null)
  76                 {
  77                         createProgressDialog();
  78                         _progressBar.setIndeterminate(true);
  79                 }
  80         }
  81
  82         /**
  83          * Update the progress bar
  84          * @param inCurrent current value
  85          * @param inMax maximum value
  86          */
  87         public void showProgress(int inCurrent, int inMax)
  88         {
  89                 if (_progressDialog == null)
  90                         createProgressDialog();
  91                 if (_progressBar.isIndeterminate())
  92                         _progressBar.setIndeterminate(false);
  93                 if (inMax > 0)
  94                         _progressBar.setMaximum(inMax);
  95                 _progressBar.setValue(inCurrent);
  96                 _progressBar.setString("" + inCurrent + " / " + _progressBar.getMaximum());
  97                 // TODO: Need to repaint?
  98         }
  99
 100         /**
 101          * Close the dialog
 102          */
 103         public void close()
 104         {
 105                 if (_progressDialog != null)
 106                         _progressDialog.dispose();
 107         }
 108 }