src/tim/prune/function/srtm/ConfigureSrtmSources.java

   1 package tim.prune.function.srtm;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Dimension;
   5 import java.awt.FlowLayout;
   6 import java.awt.event.ActionEvent;
   7 import java.awt.event.ActionListener;
   8 import java.util.Base64;
   9
  10 import javax.swing.BorderFactory;
  11 import javax.swing.Box;
  12 import javax.swing.BoxLayout;
  13 import javax.swing.JButton;
  14 import javax.swing.JCheckBox;
  15 import javax.swing.JDialog;
  16 import javax.swing.JLabel;
  17 import javax.swing.JOptionPane;
  18 import javax.swing.JPanel;
  19
  20 import tim.prune.App;
  21 import tim.prune.GenericFunction;
  22 import tim.prune.I18nManager;
  23 import tim.prune.config.Config;
  24 import tim.prune.function.browser.BrowserLauncher;
  25
  26 /**
  27  * Configure SRTM sources, including authentication for the NASA Earthdata systems
  28  * @author fperrin, activityworkshop
  29  */
  30 public class ConfigureSrtmSources extends GenericFunction
  31 {
  32         private JDialog _dialog = null;
  33         private JCheckBox _oneSecondCheck = null;
  34         private boolean _oneSecondOriginallyOn = false;
  35         private String _authString = null;
  36         private JButton _okButton = null;
  37
  38
  39         /**
  40          * Constructor
  41          * @param inApp App object
  42          */
  43         public ConfigureSrtmSources(App inApp) {
  44                 super(inApp);
  45         }
  46
  47         /** @return name key */
  48         public String getNameKey() {
  49                 return "function.configuresrtmsources";
  50         }
  51
  52         /**
  53          * Function entry point
  54          */
  55         public void begin()
  56         {
  57                 if (_dialog == null)
  58                 {
  59                         _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
  60                         _dialog.setLocationRelativeTo(_parentFrame);
  61                         // Create Gui and show it
  62                         _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
  63                         _dialog.getContentPane().add(makeDialogComponents());
  64                         _dialog.pack();
  65                 }
  66                 prefillCurrentAuth();
  67                 _dialog.setVisible(true);
  68         }
  69
  70         /**
  71          * Make the dialog components
  72          * @return the GUI components for the dialog
  73          */
  74         private JPanel makeDialogComponents()
  75         {
  76                 JPanel dialogPanel = new JPanel();
  77                 dialogPanel.setLayout(new BorderLayout());
  78
  79                 // Make a central panel with boxes for each of 3-second and 1-second sources
  80                 JPanel mainPanel = new JPanel();
  81                 mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
  82                 JPanel introPanel = new JPanel();
  83                 introPanel.setLayout(new BoxLayout(introPanel, BoxLayout.Y_AXIS));
  84                 introPanel.add(new JLabel(I18nManager.getText("dialog.configuresrtm.intro1")));
  85                 introPanel.add(new JLabel(I18nManager.getText("dialog.configuresrtm.intro2")));
  86                 mainPanel.add(introPanel);
  87                 mainPanel.add(Box.createRigidArea(new Dimension(0, 10)));
  88
  89                 // 3-second source
  90                 JPanel threeSecondPanel = new JPanel();
  91                 threeSecondPanel.setBorder(BorderFactory.createTitledBorder(""));
  92                 threeSecondPanel.setLayout(new BoxLayout(threeSecondPanel, BoxLayout.Y_AXIS));
  93                 JCheckBox threeSecondCheck = new JCheckBox(I18nManager.getText("dialog.configuresrtm.threesecond"));
  94                 threeSecondCheck.setSelected(true);
  95                 threeSecondCheck.setEnabled(false);
  96                 threeSecondPanel.add(threeSecondCheck);
  97                 threeSecondPanel.add(new JLabel(I18nManager.getText("dialog.configuresrtm.threesecond.desc")));
  98
  99                 mainPanel.add(threeSecondPanel);
 100                 mainPanel.add(Box.createRigidArea(new Dimension(0, 10)));
 101
 102                 // 1-second source
 103                 JPanel oneSecondPanel = new JPanel();
 104                 oneSecondPanel.setBorder(BorderFactory.createTitledBorder(""));
 105                 oneSecondPanel.setLayout(new BoxLayout(oneSecondPanel, BoxLayout.Y_AXIS));
 106
 107                 _oneSecondCheck = new JCheckBox(I18nManager.getText("dialog.configuresrtm.onesecond"));
 108                 _oneSecondCheck.setSelected(true);
 109                 oneSecondPanel.add(_oneSecondCheck);
 110                 _oneSecondCheck.addActionListener(new ActionListener() {
 111                         public void actionPerformed(ActionEvent inEvent) {
 112                                 if (_oneSecondCheck.isSelected()) {
 113                                         setupEarthdataAuth();
 114                                 }
 115                                 _okButton.setEnabled(_oneSecondCheck.isSelected() != _oneSecondOriginallyOn);
 116                         }
 117                 });
 118                 oneSecondPanel.add(new JLabel(I18nManager.getText("dialog.configuresrtm.onesecond.desc1")));
 119                 oneSecondPanel.add(new JLabel(I18nManager.getText("dialog.configuresrtm.onesecond.desc2")));
 120
 121                 mainPanel.add(oneSecondPanel);
 122                 mainPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
 123                 dialogPanel.add(mainPanel, BorderLayout.CENTER);
 124
 125                 // ok / cancel buttons at bottom
 126                 JPanel buttonPanel = new JPanel();
 127                 buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 128                 _okButton = new JButton(I18nManager.getText("button.ok"));
 129                 _okButton.addActionListener(new ActionListener() {
 130                         public void actionPerformed(ActionEvent e) {
 131                                 finish();
 132                         }
 133                 });
 134                 buttonPanel.add(_okButton);
 135                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 136                 cancelButton.addActionListener(new ActionListener() {
 137                         public void actionPerformed(ActionEvent e) {
 138                                 _dialog.dispose();
 139                         }
 140                 });
 141                 buttonPanel.add(cancelButton);
 142                 dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
 143                 dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
 144                 return dialogPanel;
 145         }
 146
 147         /**
 148          * User has activated the 1-second checkbox, so we need to ask for username / password details
 149          * and save the result
 150          */
 151         private void setupEarthdataAuth()
 152         {
 153                 Object[] buttonTexts = {I18nManager.getText("button.yes"), I18nManager.getText("button.no")};
 154                 int showWebsiteAnswer = JOptionPane.showOptionDialog(_parentFrame,
 155                         I18nManager.getText("dialog.configuresrtm.showregistrationwebsite"),
 156                         I18nManager.getText(getNameKey()), JOptionPane.YES_NO_OPTION,
 157                         JOptionPane.QUESTION_MESSAGE, null, buttonTexts, buttonTexts[1]);
 158                 if (showWebsiteAnswer == JOptionPane.YES_OPTION) {
 159                         BrowserLauncher.launchBrowser("https://urs.earthdata.nasa.gov/users/new");
 160                 }
 161                 // Now get the registered user id
 162                 Object userId = JOptionPane.showInputDialog(_app.getFrame(),
 163                         I18nManager.getText("dialog.configuresrtm.userid"),
 164                         I18nManager.getText(getNameKey()),
 165                         JOptionPane.QUESTION_MESSAGE, null, null, "");
 166                 if (userId == null || userId.equals(""))
 167                 {
 168                         _oneSecondCheck.setSelected(false);
 169                         return;
 170                 }
 171                 Object password = JOptionPane.showInputDialog(_app.getFrame(),
 172                         I18nManager.getText("dialog.configuresrtm.password"),
 173                         I18nManager.getText(getNameKey()),
 174                         JOptionPane.QUESTION_MESSAGE, null, null, "");
 175                 if (password == null || password.equals(""))
 176                 {
 177                         _oneSecondCheck.setSelected(false);
 178                         return;
 179                 }
 180                 String authString = Base64.getEncoder().encodeToString((userId.toString() + ":" + password.toString()).getBytes());
 181                 if (isAuthValid(authString)) {
 182                         _authString = authString;
 183                 }
 184                 else
 185                 {
 186                         JOptionPane.showMessageDialog(_dialog, I18nManager.getText("dialog.configuresrtm.loginfailed"),
 187                                 I18nManager.getText(getNameKey()), JOptionPane.ERROR_MESSAGE);
 188                         _oneSecondCheck.setSelected(false);
 189                 }
 190         }
 191
 192         /**
 193          * React to 'OK' being pressed, to save the config
 194          */
 195         private void finish()
 196         {
 197                 if (_oneSecondCheck.isSelected())
 198                 {
 199                         if (_authString != null) {
 200                                 Config.setConfigString(Config.KEY_EARTHDATA_AUTH, _authString);
 201                         }
 202                 }
 203                 else {
 204                         Config.setConfigString(Config.KEY_EARTHDATA_AUTH, null);
 205                 }
 206                 _dialog.dispose();
 207         }
 208
 209         /**
 210          * Init the dialog according to the saved authentication config
 211          */
 212         private void prefillCurrentAuth()
 213         {
 214                 _oneSecondCheck.setSelected(isAuthValid(Config.getConfigString(Config.KEY_EARTHDATA_AUTH)));
 215                 _authString = null;
 216                 _oneSecondOriginallyOn = _oneSecondCheck.isSelected();
 217                 _okButton.setEnabled(false);
 218         }
 219
 220         /**
 221          * Check the given config string for successful authentication using the NASA server
 222          */
 223         private boolean isAuthValid(String inConfigString)
 224         {
 225                 // TODO: Use this string to login to NASA server and check success or failure
 226                 return inConfigString != null && !inConfigString.isEmpty();
 227         }
 228 }