src/tim/prune/function/PlusCodeFunction.java

   1 package tim.prune.function;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Component;
   5 import java.awt.FlowLayout;
   6 import java.awt.event.ActionEvent;
   7 import java.awt.event.ActionListener;
   8 import java.awt.event.KeyAdapter;
   9 import java.awt.event.KeyEvent;
  10 import java.awt.event.MouseAdapter;
  11 import java.awt.event.MouseEvent;
  12
  13 import javax.swing.BorderFactory;
  14 import javax.swing.JButton;
  15 import javax.swing.JDialog;
  16 import javax.swing.JLabel;
  17 import javax.swing.JOptionPane;
  18 import javax.swing.JPanel;
  19 import javax.swing.JTextField;
  20 import javax.swing.SwingConstants;
  21
  22 import tim.prune.App;
  23 import tim.prune.GenericFunction;
  24 import tim.prune.I18nManager;
  25 import tim.prune.data.Field;
  26 import tim.prune.function.olc.OlcArea;
  27 import tim.prune.function.olc.OlcDecoder;
  28 import tim.prune.gui.GuiGridLayout;
  29
  30 /**
  31  * Class to provide the function to parse
  32  * OpenLocationCodes, or PlusCodes
  33  */
  34 public class PlusCodeFunction extends GenericFunction
  35 {
  36         private JDialog _dialog = null;
  37         private JTextField _codeField = null;
  38         private JButton _okButton = null;
  39
  40
  41         /**
  42          * Constructor
  43          * @param inApp application object for callback
  44          */
  45         public PlusCodeFunction(App inApp)
  46         {
  47                 super(inApp);
  48         }
  49
  50         /** Get the name key */
  51         public String getNameKey() {
  52                 return "function.enterpluscode";
  53         }
  54
  55         /**
  56          * Begin the function
  57          */
  58         public void begin()
  59         {
  60                 // Make dialog window
  61                 if (_dialog == null)
  62                 {
  63                         _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
  64                         _dialog.setLocationRelativeTo(_parentFrame);
  65                         _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
  66                         _dialog.getContentPane().add(makeDialogComponents());
  67                         _dialog.pack();
  68                 }
  69                 // MAYBE: Paste clipboard into the edit field
  70                 _codeField.setText("");
  71                 enableOK();
  72                 _dialog.setVisible(true);
  73         }
  74
  75
  76         /**
  77          * Create dialog components
  78          * @return Panel containing all gui elements in dialog
  79          */
  80         private Component makeDialogComponents()
  81         {
  82                 JPanel dialogPanel = new JPanel();
  83                 dialogPanel.setLayout(new BorderLayout(0, 10));
  84                 dialogPanel.add(new JLabel(I18nManager.getText("dialog.pluscode.desc")), BorderLayout.NORTH);
  85                 JPanel mainPanel = new JPanel();
  86                 GuiGridLayout grid = new GuiGridLayout(mainPanel);
  87                 _codeField = new JTextField("", 12);
  88                 // Listeners to enable/disable ok button
  89                 KeyAdapter keyListener = new KeyAdapter() {
  90                         /** Key released */
  91                         public void keyReleased(KeyEvent inE) {
  92                                 enableOK();
  93                                 if (inE.getKeyCode() == KeyEvent.VK_ESCAPE) {
  94                                         _dialog.dispose();
  95                                 }
  96                         }
  97                 };
  98                 MouseAdapter mouseListener = new MouseAdapter() {
  99                         public void mouseReleased(MouseEvent inE) {
 100                                 enableOK();
 101                         }
 102                 };
 103                 _codeField.addKeyListener(keyListener);
 104                 _codeField.addMouseListener(mouseListener);
 105                 JLabel codeLabel = new JLabel(I18nManager.getText("dialog.pluscode.code"));
 106                 codeLabel.setHorizontalAlignment(SwingConstants.RIGHT);
 107                 grid.add(codeLabel);
 108                 grid.add(_codeField);
 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                                 if (_okButton.isEnabled()) {finish();}
 118                         }
 119                 };
 120                 _okButton.addActionListener(okListener);
 121                 _okButton.setEnabled(false);
 122                 _codeField.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          * Enable or disable the OK button based on the contents of the text field
 139          */
 140         private void enableOK()
 141         {
 142                 String text = _codeField.getText();
 143                 _okButton.setEnabled(text != null && text.length() > 7
 144                         && text.indexOf(' ') < 0 && text.indexOf(',') < 0);
 145         }
 146
 147         /**
 148          * Finish the dialog when OK pressed
 149          */
 150         private void finish()
 151         {
 152                 OlcArea area = OlcDecoder.decode(_codeField.getText());
 153
 154                 if (area == null)
 155                 {
 156                         JOptionPane.showMessageDialog(_parentFrame,
 157                                 I18nManager.getText("dialog.pluscode.nothingfound"),
 158                                 I18nManager.getText(getNameKey()), JOptionPane.ERROR_MESSAGE);
 159                 }
 160                 else if (loadTrack(area))
 161                 {
 162                         _dialog.dispose();
 163                 }
 164         }
 165
 166         /**
 167          * Load the generated points from the given area
 168          * @param inArea rectangular area
 169          * @return true on success
 170          */
 171         private boolean loadTrack(OlcArea inArea)
 172         {
 173                 if (inArea == null)
 174                 {
 175                         return false;
 176                 }
 177
 178                 final Field[] fields = {Field.LATITUDE, Field.LONGITUDE, Field.WAYPT_NAME};
 179                 _app.autoAppendNextFile();
 180
 181                 if (inArea.minLat == inArea.maxLat && inArea.minLon == inArea.maxLon)
 182                 {
 183                         String[][] pointData = new String[1][];
 184                         pointData[0] = new String[3]; // lat, long, name
 185                         pointData[0][0] = "" + inArea.minLat;
 186                         pointData[0][1] = "" + inArea.minLon;
 187                         pointData[0][2] = _codeField.getText();
 188                         _app.informDataLoaded(fields, pointData, null, null);
 189                 }
 190                 else
 191                 {
 192                         String[][] pointData = new String[6][];
 193                         for (int i=0; i<5; i++)
 194                         {
 195                                 pointData[i] = new String[3]; // lat, long, name
 196                                 pointData[i][0] = "" + ((i%4==0 || i==3) ? inArea.minLat : inArea.maxLat);
 197                                 pointData[i][1] = "" + ((i%4==0 || i==1) ? inArea.minLon : inArea.maxLon);
 198                                 pointData[i][2] = null;
 199                         }
 200                         // Middle point with name
 201                         pointData[5] = new String[3]; // lat, long, name
 202                         pointData[5][0] = "" + ((inArea.minLat + inArea.maxLat) / 2.0);
 203                         pointData[5][1] = "" + ((inArea.minLon + inArea.maxLon) / 2.0);
 204                         pointData[5][2] = _codeField.getText();
 205                         _app.informDataLoaded(fields, pointData, null, null);
 206                 }
 207                 return true;
 208         }
 209 }