tim/prune/function/PhotoPopupFunction.java

   1 package tim.prune.function;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Component;
   5 import java.awt.Dimension;
   6 import java.awt.FlowLayout;
   7 import java.awt.event.ActionEvent;
   8 import java.awt.event.ActionListener;
   9 import java.awt.event.KeyEvent;
  10 import java.awt.event.KeyListener;
  11 import java.awt.event.WindowAdapter;
  12 import java.awt.event.WindowEvent;
  13
  14 import javax.swing.JButton;
  15 import javax.swing.JDialog;
  16 import javax.swing.JFrame;
  17 import javax.swing.JLabel;
  18 import javax.swing.JPanel;
  19 import tim.prune.App;
  20 import tim.prune.DataSubscriber;
  21 import tim.prune.GenericFunction;
  22 import tim.prune.I18nManager;
  23 import tim.prune.UpdateMessageBroker;
  24 import tim.prune.data.Photo;
  25 import tim.prune.gui.PhotoThumbnail;
  26
  27 /**
  28  * Class to show a popup window for a photo
  29  */
  30 public class PhotoPopupFunction extends GenericFunction implements DataSubscriber
  31 {
  32         /** popup window */
  33         private JFrame _frame = null; // would be a JDialog but that doesn't allow max button
  34         /** label for filename */
  35         private JLabel _label = null;
  36         /** Photo thumbnail */
  37         private PhotoThumbnail _photoThumb = null;
  38
  39         /**
  40          * Constructor
  41          * @param inApp app object
  42          */
  43         public PhotoPopupFunction(App inApp)
  44         {
  45                 super(inApp);
  46         }
  47
  48         /**
  49          * Get the name key
  50          */
  51         public String getNameKey() {
  52                 return "function.photopopup";
  53         }
  54
  55         /**
  56          * Show the screen
  57          */
  58         public void begin()
  59         {
  60                 if (_frame == null)
  61                 {
  62                         _frame = new JFrame(I18nManager.getText(getNameKey()));
  63                         _frame.setIconImage(_parentFrame.getIconImage());
  64                         _frame.getContentPane().add(makeContents());
  65                         _frame.pack();
  66                         _frame.setLocationRelativeTo(_parentFrame);
  67                         _frame.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
  68                         _frame.addWindowListener(new WindowAdapter() {
  69                                 public void windowClosed(WindowEvent e) {
  70                                         UpdateMessageBroker.removeSubscriber(PhotoPopupFunction.this);
  71                                         super.windowClosed(e);
  72                                 }
  73                         });
  74                 }
  75                 initFrame();
  76                 final Photo photo = _app.getTrackInfo().getCurrentPhoto();
  77                 if (photo.getWidth() <= 0 || photo.getHeight() <= 0)
  78                 {
  79                         _frame.setVisible(false);
  80                         _app.showErrorMessageNoLookup(getNameKey(), I18nManager.getText("error.showphoto.failed")
  81                          + " : " + photo.getName());
  82                 }
  83                 else
  84                 {
  85                         _frame.setVisible(true);
  86                         // Add listener to Broker
  87                         UpdateMessageBroker.addSubscriber(this);
  88                 }
  89         }
  90
  91         /**
  92          * Initialise the frame to show the current photo
  93          */
  94         private void initFrame()
  95         {
  96                 Photo photo = _app.getTrackInfo().getCurrentPhoto();
  97                 if (photo == null)
  98                 {
  99                         _frame.setTitle("GpsPrune - " + I18nManager.getText("details.nophoto"));
 100                         _label.setText(I18nManager.getText("details.nophoto"));
 101                 }
 102                 else
 103                 {
 104                         _frame.setTitle(photo.getName());
 105                         _label.setText("'" + photo.getName() + "' ("
 106                                 + photo.getWidth() + " x " + photo.getHeight() + ")");
 107                 }
 108                 _photoThumb.setPhoto(photo);
 109         }
 110
 111         /**
 112          * @return the contents of the window as a Component
 113          */
 114         private Component makeContents()
 115         {
 116                 JPanel mainPanel = new JPanel();
 117                 mainPanel.setLayout(new BorderLayout());
 118                 _label = new JLabel("Photo popup");
 119                 mainPanel.add(_label, BorderLayout.NORTH);
 120                 _photoThumb = new PhotoThumbnail(false); // specify not in details panel
 121                 _photoThumb.setPreferredSize(new Dimension(300, 300));
 122                 mainPanel.add(_photoThumb, BorderLayout.CENTER);
 123                 // Close button at bottom
 124                 JPanel okPanel = new JPanel();
 125                 okPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 126                 JButton okButton = new JButton(I18nManager.getText("button.ok"));
 127                 okButton.addActionListener(new ActionListener()
 128                 {
 129                         public void actionPerformed(ActionEvent e) {
 130                                 _frame.dispose();
 131                         }
 132                 });
 133                 okButton.addKeyListener(new KeyListener() {
 134                         public void keyPressed(KeyEvent e) {
 135                                 if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {_frame.dispose();}
 136                         }
 137                         public void keyTyped(KeyEvent e) {}
 138                         public void keyReleased(KeyEvent e) {}
 139                 });
 140                 okPanel.add(okButton);
 141                 mainPanel.add(okPanel, BorderLayout.SOUTH);
 142                 return mainPanel;
 143         }
 144
 145         public void dataUpdated(byte inUpdateType)
 146         {
 147                 // Update photo if selection changes
 148                 if ((inUpdateType & DataSubscriber.SELECTION_CHANGED) > 0)
 149                 {
 150                         initFrame();
 151                 }
 152         }
 153
 154         public void actionCompleted(String inMessage) {}
 155 }