src/tim/prune/function/AddAltitudeOffset.java

   1 package tim.prune.function;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.FlowLayout;
   5 import java.awt.event.ActionEvent;
   6 import java.awt.event.ActionListener;
   7 import java.awt.event.KeyAdapter;
   8 import java.awt.event.KeyEvent;
   9 import java.awt.event.MouseAdapter;
  10
  11 import javax.swing.BorderFactory;
  12 import javax.swing.JButton;
  13 import javax.swing.JDialog;
  14 import javax.swing.JLabel;
  15 import javax.swing.JPanel;
  16 import javax.swing.JTextField;
  17
  18 import tim.prune.App;
  19 import tim.prune.GenericFunction;
  20 import tim.prune.I18nManager;
  21 import tim.prune.config.Config;
  22 import tim.prune.data.Field;
  23 import tim.prune.data.Unit;
  24 import tim.prune.data.UnitSetLibrary;
  25
  26 /**
  27  * Class to provide the function to add an altitude offset to a track range
  28  */
  29 public class AddAltitudeOffset extends GenericFunction
  30 {
  31         private JDialog _dialog = null;
  32         private JLabel _descLabel = null;
  33         private JTextField _editField = null;
  34         private JButton _okButton = null;
  35         private Unit _altUnit = null;
  36
  37
  38         /**
  39          * Constructor
  40          * @param inApp application object for callback
  41          */
  42         public AddAltitudeOffset(App inApp)
  43         {
  44                 super(inApp);
  45         }
  46
  47         /** Get the name key */
  48         public String getNameKey() {
  49                 return "function.addaltitudeoffset";
  50         }
  51
  52         /**
  53          * Begin the function
  54          */
  55         public void begin()
  56         {
  57                 int selStart = _app.getTrackInfo().getSelection().getStart();
  58                 int selEnd = _app.getTrackInfo().getSelection().getEnd();
  59                 if (!_app.getTrackInfo().getTrack().hasData(Field.ALTITUDE, selStart, selEnd))
  60                 {
  61                         _app.showErrorMessage(getNameKey(), "dialog.addaltitude.noaltitudes");
  62                         return;
  63                 }
  64                 // Make dialog window
  65                 if (_dialog == null)
  66                 {
  67                         _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
  68                         _dialog.setLocationRelativeTo(_parentFrame);
  69                         _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
  70                         _dialog.getContentPane().add(makeDialogComponents());
  71                         _dialog.pack();
  72                 }
  73                 // Set label according to altitude units
  74                 setLabelText();
  75                 // Select the contents of the edit field
  76                 _editField.selectAll();
  77                 _dialog.setVisible(true);
  78         }
  79
  80
  81         /**
  82          * Create dialog components
  83          * @return Panel containing all gui elements in dialog
  84          */
  85         private JPanel makeDialogComponents()
  86         {
  87                 JPanel dialogPanel = new JPanel();
  88                 dialogPanel.setLayout(new BorderLayout());
  89                 JPanel mainPanel = new JPanel();
  90                 _descLabel = new JLabel(I18nManager.getText("dialog.addaltitude.desc") + " (ft)");
  91                 // Note, this label will be reset at each run
  92                 mainPanel.add(_descLabel);
  93                 _editField = new JTextField("0", 6);
  94                 // Listeners to enable/disable ok button
  95                 KeyAdapter keyListener = new KeyAdapter() {
  96                         /** Key released */
  97                         public void keyReleased(KeyEvent arg0) {
  98                                 _okButton.setEnabled(Math.abs(getOffset()) > 0.001);
  99                         }
 100                 };
 101                 MouseAdapter mouseListener = new MouseAdapter() {
 102                         public void mouseReleased(java.awt.event.MouseEvent arg0) {
 103                                 _okButton.setEnabled(Math.abs(getOffset()) > 0.001);
 104                         }
 105                 };
 106                 _editField.addKeyListener(keyListener);
 107                 _editField.addMouseListener(mouseListener);
 108                 mainPanel.add(_editField);
 109                 dialogPanel.add(mainPanel, BorderLayout.CENTER);
 110                 // button panel at bottom
 111                 JPanel buttonPanel = new JPanel();
 112                 buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 113                 _okButton = new JButton(I18nManager.getText("button.ok"));
 114                 ActionListener okListener = new ActionListener() {
 115                         public void actionPerformed(ActionEvent e)
 116                         {
 117                                 finish();
 118                         }
 119                 };
 120                 _okButton.addActionListener(okListener);
 121                 _okButton.setEnabled(false);
 122                 _editField.addActionListener(okListener);
 123                 buttonPanel.add(_okButton);
 124                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 125                 cancelButton.addActionListener(new ActionListener() {
 126                         public void actionPerformed(ActionEvent e)
 127                         {
 128                                 _dialog.dispose();
 129                         }
 130                 });
 131                 buttonPanel.add(cancelButton);
 132                 dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
 133                 dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
 134                 return dialogPanel;
 135         }
 136
 137         /**
 138          * Get the value of the altitude to add
 139          * @return entered altitude offset as numeric value
 140          */
 141         private double getOffset()
 142         {
 143                 double ans = 0.0;
 144                 try {
 145                         ans = Double.parseDouble(_editField.getText());
 146                 }
 147                 catch (Exception e) {}
 148                 return ans;
 149         }
 150
 151         /**
 152          * Set the label text according to the current units
 153          */
 154         private void setLabelText()
 155         {
 156                 _altUnit = UnitSetLibrary.UNITS_FEET;
 157                 if (Config.getUnitSet().getAltitudeUnit().isStandard()) {
 158                         _altUnit = UnitSetLibrary.UNITS_METRES;
 159                 }
 160                 final String unitKey = _altUnit.getShortnameKey();
 161                 _descLabel.setText(I18nManager.getText("dialog.addaltitude.desc") + " (" + I18nManager.getText(unitKey) + ")");
 162         }
 163
 164         /**
 165          * Finish the dialog when OK pressed
 166          */
 167         private void finish()
 168         {
 169                 // Pass information back to App to complete function
 170                 _app.finishAddAltitudeOffset(_editField.getText(), _altUnit);
 171                 _dialog.dispose();
 172         }
 173 }