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