tim/prune/function/settings/SaveConfig.java

   1 package tim.prune.function.settings;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Component;
   5 import java.awt.FlowLayout;
   6 import java.awt.GridLayout;
   7 import java.awt.Rectangle;
   8 import java.awt.event.ActionEvent;
   9 import java.awt.event.ActionListener;
  10 import java.io.File;
  11 import java.io.FileOutputStream;
  12 import java.io.IOException;
  13 import java.util.Enumeration;
  14 import java.util.Properties;
  15
  16 import javax.swing.BorderFactory;
  17 import javax.swing.JButton;
  18 import javax.swing.JDialog;
  19 import javax.swing.JFileChooser;
  20 import javax.swing.JLabel;
  21 import javax.swing.JPanel;
  22
  23 import tim.prune.App;
  24 import tim.prune.GenericFunction;
  25 import tim.prune.I18nManager;
  26 import tim.prune.config.Config;
  27
  28 /**
  29  * Class to provide the function to save the config settings
  30  */
  31 public class SaveConfig extends GenericFunction
  32 {
  33         private JDialog _dialog = null;
  34
  35         /**
  36          * Constructor
  37          * @param inApp application object for callback
  38          */
  39         public SaveConfig(App inApp)
  40         {
  41                 super(inApp);
  42         }
  43
  44         /** Get the name key */
  45         public String getNameKey() {
  46                 return "function.saveconfig";
  47         }
  48
  49         /**
  50          * Begin the function
  51          */
  52         public void begin()
  53         {
  54                 // Make new dialog window (don't reuse it)
  55                 _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
  56                 _dialog.setLocationRelativeTo(_parentFrame);
  57                 _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
  58                 _dialog.getContentPane().add(makeDialogComponents());
  59                 _dialog.pack();
  60                 _dialog.setVisible(true);
  61         }
  62
  63
  64         /**
  65          * Create dialog components
  66          * @return Panel containing all gui elements in dialog
  67          */
  68         private Component makeDialogComponents()
  69         {
  70                 JPanel dialogPanel = new JPanel();
  71                 dialogPanel.setLayout(new BorderLayout());
  72                 dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
  73                 JLabel descLabel = new JLabel(I18nManager.getText("dialog.saveconfig.desc"));
  74                 dialogPanel.add(descLabel, BorderLayout.NORTH);
  75
  76                 // Grid panel in centre
  77                 JPanel mainPanel = new JPanel();
  78                 mainPanel.setLayout(new GridLayout(0, 2, 15, 2));
  79                 mainPanel.setBorder(BorderFactory.createEmptyBorder(5, 15, 5, 15));
  80                 Properties conf = Config.getAllConfig();
  81                 Enumeration<Object> keys = conf.keys();
  82                 while (keys.hasMoreElements())
  83                 {
  84                         String key = keys.nextElement().toString();
  85                         String keyLabel = I18nManager.getText("dialog.saveconfig." + key);
  86                         if (!keyLabel.equals("dialog.saveconfig." + key))
  87                         {
  88                                 mainPanel.add(new JLabel(keyLabel));
  89                                 String val = conf.getProperty(key);
  90                                 String tipText = val;
  91                                 if (Config.isKeyBoolean(key)) {
  92                                         val = Config.getConfigBoolean(key)?I18nManager.getText("dialog.about.yes"):I18nManager.getText("dialog.about.no");
  93                                 }
  94                                 else if (val != null && val.length() > 30) {
  95                                         val = val.substring(0, 30) + " ...";
  96                                 }
  97                                 JLabel label = new JLabel(val);
  98                                 label.setToolTipText(tipText);
  99                                 mainPanel.add(label);
 100                         }
 101                 }
 102                 dialogPanel.add(mainPanel, BorderLayout.CENTER);
 103
 104                 // button panel at bottom
 105                 JPanel buttonPanel = new JPanel();
 106                 buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 107                 JButton okButton = new JButton(I18nManager.getText("button.ok"));
 108                 okButton.addActionListener(new ActionListener() {
 109                         public void actionPerformed(ActionEvent e)
 110                         {
 111                                 finish();
 112                         }
 113                 });
 114                 buttonPanel.add(okButton);
 115                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 116                 cancelButton.addActionListener(new ActionListener() {
 117                         public void actionPerformed(ActionEvent e)
 118                         {
 119                                 _dialog.dispose();
 120                                 _dialog = null;
 121                         }
 122                 });
 123                 buttonPanel.add(cancelButton);
 124                 dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
 125                 return dialogPanel;
 126         }
 127
 128
 129         /**
 130          * Finish the dialog when OK pressed
 131          */
 132         private void finish()
 133         {
 134                 File configFile = Config.getConfigFile();
 135                 if (configFile == null) {configFile = Config.HOME_CONFIG_FILE;}
 136                 JFileChooser chooser = new JFileChooser(configFile.getAbsoluteFile().getParent());
 137                 chooser.setSelectedFile(configFile);
 138                 int response = chooser.showSaveDialog(_parentFrame);
 139                 if (response == JFileChooser.APPROVE_OPTION)
 140                 {
 141                         File saveFile = chooser.getSelectedFile();
 142                         saveConfig(saveFile);
 143                 }
 144                 _dialog.dispose();
 145                 _dialog = null;
 146         }
 147
 148         /**
 149          * Autosave the settings file without any prompts
 150          */
 151         public void silentSave()
 152         {
 153                 saveConfig(Config.getConfigFile());
 154         }
 155
 156         /**
 157          * Actually save the config file
 158          * @param inSaveFile file to save to
 159          */
 160         private void saveConfig(File inSaveFile)
 161         {
 162                 // Set current window position in config
 163                 Rectangle currBounds = _app.getFrame().getBounds();
 164                 String windowBounds = "" + currBounds.x + "x" + currBounds.y + "x"
 165                         + currBounds.width + "x" + currBounds.height;
 166                 Config.setConfigString(Config.KEY_WINDOW_BOUNDS, windowBounds);
 167
 168                 // TODO: Check for null inSaveFile, then just call finish() ?
 169                 FileOutputStream outStream = null;
 170                 try
 171                 {
 172                         outStream = new FileOutputStream(inSaveFile);
 173                         Config.getAllConfig().store(outStream, "GpsPrune config file");
 174                 }
 175                 catch (IOException ioe) {
 176                         _app.showErrorMessageNoLookup(getNameKey(),
 177                                 I18nManager.getText("error.save.failed") + " : " + ioe.getMessage());
 178                 }
 179                 catch (NullPointerException npe) {} // no config file given
 180                 finally {
 181                         try {outStream.close();} catch (Exception e) {}
 182                 }
 183         }
 184 }