src/tim/prune/function/PasteCoordinates.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.JComboBox;
  16 import javax.swing.JDialog;
  17 import javax.swing.JLabel;
  18 import javax.swing.JOptionPane;
  19 import javax.swing.JPanel;
  20 import javax.swing.JTextField;
  21 import javax.swing.SwingConstants;
  22
  23 import tim.prune.App;
  24 import tim.prune.GenericFunction;
  25 import tim.prune.I18nManager;
  26 import tim.prune.config.Config;
  27 import tim.prune.data.Altitude;
  28 import tim.prune.data.DataPoint;
  29 import tim.prune.data.Field;
  30 import tim.prune.data.Latitude;
  31 import tim.prune.data.Longitude;
  32 import tim.prune.data.Unit;
  33 import tim.prune.data.UnitSetLibrary;
  34 import tim.prune.gui.GuiGridLayout;
  35
  36 /**
  37  * Class to provide the function to paste coordinates
  38  * - see wikipedia, opencaching.de, waymarking.com etc
  39  */
  40 public class PasteCoordinates extends GenericFunction
  41 {
  42         private JDialog _dialog = null;
  43         private JTextField _nameField = null;
  44         private JTextField _coordField = null;
  45         private JButton _okButton = null;
  46         private JComboBox<String> _altUnitsDropDown;
  47
  48
  49         /**
  50          * Constructor
  51          * @param inApp application object for callback
  52          */
  53         public PasteCoordinates(App inApp)
  54         {
  55                 super(inApp);
  56         }
  57
  58         /** Get the name key */
  59         public String getNameKey() {
  60                 return "function.pastecoordinates";
  61         }
  62
  63         /**
  64          * Begin the function
  65          */
  66         public void begin()
  67         {
  68                 // Make dialog window
  69                 if (_dialog == null)
  70                 {
  71                         _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
  72                         _dialog.setLocationRelativeTo(_parentFrame);
  73                         _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
  74                         _dialog.getContentPane().add(makeDialogComponents());
  75                         _dialog.pack();
  76                 }
  77                 // MAYBE: Paste clipboard into the edit field
  78                 _coordField.setText("");
  79                 _nameField.setText("");
  80                 boolean useMetres = (Config.getUnitSet().getAltitudeUnit() == UnitSetLibrary.UNITS_METRES);
  81                 _altUnitsDropDown.setSelectedIndex(useMetres?0:1);
  82                 enableOK();
  83                 _dialog.setVisible(true);
  84         }
  85
  86
  87         /**
  88          * Create dialog components
  89          * @return Panel containing all gui elements in dialog
  90          */
  91         private Component makeDialogComponents()
  92         {
  93                 JPanel dialogPanel = new JPanel();
  94                 dialogPanel.setLayout(new BorderLayout(0, 10));
  95                 dialogPanel.add(new JLabel(I18nManager.getText("dialog.pastecoordinates.desc")), BorderLayout.NORTH);
  96                 JPanel mainPanel = new JPanel();
  97                 GuiGridLayout grid = new GuiGridLayout(mainPanel);
  98                 _coordField = new JTextField("", 25);
  99                 // Listeners to enable/disable ok button
 100                 KeyAdapter keyListener = new KeyAdapter() {
 101                         /** Key released */
 102                         public void keyReleased(KeyEvent inE) {
 103                                 enableOK();
 104                                 if (inE.getKeyCode() == KeyEvent.VK_ESCAPE) {
 105                                         _dialog.dispose();
 106                                 }
 107                         }
 108                 };
 109                 MouseAdapter mouseListener = new MouseAdapter() {
 110                         public void mouseReleased(MouseEvent inE) {
 111                                 enableOK();
 112                         };
 113                 };
 114                 _coordField.addKeyListener(keyListener);
 115                 _coordField.addMouseListener(mouseListener);
 116                 JLabel coordLabel = new JLabel(I18nManager.getText("dialog.pastecoordinates.coords"));
 117                 coordLabel.setHorizontalAlignment(SwingConstants.RIGHT);
 118                 grid.add(coordLabel);
 119                 grid.add(_coordField);
 120                 // Altitude format (if any)
 121                 JLabel formatLabel = new JLabel(I18nManager.getText("dialog.openoptions.altitudeunits"));
 122                 formatLabel.setHorizontalAlignment(SwingConstants.RIGHT);
 123                 grid.add(formatLabel);
 124                 final String[] altunits = {I18nManager.getText("units.metres"), I18nManager.getText("units.feet")};
 125                 _altUnitsDropDown = new JComboBox<String>(altunits);
 126                 grid.add(_altUnitsDropDown);
 127                 // Waypoint name
 128                 JLabel nameLabel = new JLabel(I18nManager.getText("dialog.pointnameedit.name"));
 129                 nameLabel.setHorizontalAlignment(SwingConstants.RIGHT);
 130                 grid.add(nameLabel);
 131                 _nameField = new JTextField("", 12);
 132                 grid.add(_nameField);
 133                 dialogPanel.add(mainPanel, BorderLayout.CENTER);
 134                 // button panel at bottom
 135                 JPanel buttonPanel = new JPanel();
 136                 buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 137                 _okButton = new JButton(I18nManager.getText("button.ok"));
 138                 ActionListener okListener = new ActionListener() {
 139                         public void actionPerformed(ActionEvent e)
 140                         {
 141                                 if (_okButton.isEnabled()) {finish();}
 142                         }
 143                 };
 144                 _okButton.addActionListener(okListener);
 145                 _okButton.setEnabled(false);
 146                 _coordField.addActionListener(okListener);
 147                 _nameField.addActionListener(okListener);
 148                 buttonPanel.add(_okButton);
 149                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 150                 cancelButton.addActionListener(new ActionListener() {
 151                         public void actionPerformed(ActionEvent e)
 152                         {
 153                                 _dialog.dispose();
 154                         }
 155                 });
 156                 buttonPanel.add(cancelButton);
 157                 dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
 158                 dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
 159                 return dialogPanel;
 160         }
 161
 162         /**
 163          * Enable or disable the OK button based on the contents of the text field
 164          */
 165         private void enableOK()
 166         {
 167                 String text = _coordField.getText();
 168                 _okButton.setEnabled(text != null && text.length() > 6
 169                         && (text.indexOf(' ') >= 0 || text.indexOf(',') >= 0));
 170         }
 171
 172         /**
 173          * Finish the dialog when OK pressed
 174          */
 175         private void finish()
 176         {
 177                 DataPoint point = null;
 178                 // Try to split using commas
 179                 String[] items = _coordField.getText().split(",");
 180                 if (items.length == 2) {
 181                         point = parseValues(items[0].trim(), items[1].trim(), null);
 182                 }
 183                 else if (items.length == 3) {
 184                         point = parseValues(items[0].trim(), items[1].trim(), items[2].trim());
 185                 }
 186                 else {
 187                         // Splitting with commas didn't work, so try spaces
 188                         items = _coordField.getText().split(" ");
 189                         if (items.length == 2) {
 190                                 point = parseValues(items[0], items[1], null);
 191                         }
 192                         else if (items.length == 3 && items[1].length() == 1) {
 193                                 point = parseValues(items[0], items[2], null);
 194                         }
 195                         else if (items.length == 4) {
 196                                 point = parseValues(items[0] + " " + items[1],
 197                                         items[2] + " " + items[3], null);
 198                         }
 199                         else if (items.length == 6) {
 200                                 point = parseValues(items[0] + " " + items[1] + " " + items[2],
 201                                         items[3] + " " + items[4] + " " + items[5], null);
 202                         }
 203                         else if (items.length == 8) {
 204                                 point = parseValues(items[0] + " " + items[1] + " " + items[2] + " " + items[3],
 205                                         items[4] + " " + items[5] + " " + items[6] + " " + items[7], null);
 206                         }
 207                 }
 208
 209                 if (point == null) {
 210                         JOptionPane.showMessageDialog(_parentFrame,
 211                                 I18nManager.getText("dialog.pastecoordinates.nothingfound"),
 212                                 I18nManager.getText(getNameKey()), JOptionPane.ERROR_MESSAGE);
 213                 }
 214                 else {
 215                         // See if name was entered
 216                         String name = _nameField.getText();
 217                         if (name != null && name.length() > 0) {
 218                                 point.setFieldValue(Field.WAYPT_NAME, name, false);
 219                         }
 220                         // Pass information back to App to complete function
 221                         _app.createPoint(point);
 222                         _dialog.dispose();
 223                 }
 224         }
 225
 226
 227         /**
 228          * Try to parse the three given Strings into lat, lon and alt
 229          * @param inValue1 first value (either lat/lon)
 230          * @param inValue2 second value (either lon/lat)
 231          * @param inValue3 altitude value or null if absent
 232          * @return DataPoint object or null if failed
 233          */
 234         private DataPoint parseValues(String inValue1, String inValue2, String inValue3)
 235         {
 236                 // Check for parseable altitude
 237                 Altitude alt = null;
 238                 if (inValue3 != null)
 239                 {
 240                         // Look at altitude units dropdown
 241                         final Unit altUnit = (_altUnitsDropDown.getSelectedIndex()==0?
 242                                 UnitSetLibrary.UNITS_METRES : UnitSetLibrary.UNITS_FEET);
 243                         alt = new Altitude(inValue3, altUnit);
 244                         if (!alt.isValid()) {alt = null;}
 245                 }
 246                 // See if value1 can be lat and value2 lon:
 247                 Latitude coord1 = new Latitude(inValue1);
 248                 Longitude coord2 = new Longitude(inValue2);
 249                 if (coord1.isValid() && !coord1.getCardinalGuessed()
 250                         && coord2.isValid() && !coord2.getCardinalGuessed())
 251                 {
 252                         return new DataPoint(coord1, coord2, alt);
 253                 }
 254                 // Now see if lat/lon are reversed
 255                 Longitude coord3 = new Longitude(inValue1);
 256                 Latitude coord4 = new Latitude(inValue2);
 257                 if (coord3.isValid() && !coord3.getCardinalGuessed()
 258                         && coord4.isValid() && !coord4.getCardinalGuessed())
 259                 {
 260                         // reversed order
 261                         return new DataPoint(coord4, coord3, alt);
 262                 }
 263                 // Didn't work without guessing cardinals, so accept latitude, longitude order (if valid)
 264                 if (coord1.isValid() && coord2.isValid()) {
 265                         return new DataPoint(coord1, coord2, alt);
 266                 }
 267                 // Or accept other order (if valid)
 268                 if (coord3.isValid() && coord4.isValid()) {
 269                         // reversed order
 270                         return new DataPoint(coord4, coord3, alt);
 271                 }
 272                 // Couldn't be parsed either way
 273                 return null;
 274         }
 275 }