git.gag.com Git - debian/openrocket/blob - android/src/net/sf/openrocket/android/PreferencesActivity.java

   1 package net.sf.openrocket.android;\r
   2 \r
   3 import net.sf.openrocket.R;\r
   4 import net.sf.openrocket.android.util.AndroidLogWrapper;\r
   5 import net.sf.openrocket.unit.UnitGroup;\r
   6 import android.content.SharedPreferences;\r
   7 import android.os.Bundle;\r
   8 import android.preference.Preference;\r
   9 import android.preference.PreferenceManager;\r
  10 \r
  11 public class PreferencesActivity extends android.preference.PreferenceActivity \r
  12 {\r
  13 \r
  14         \r
  15         @Override\r
  16         protected void onCreate( Bundle savedInstanceState ) {\r
  17                 super.onCreate( savedInstanceState );\r
  18                 addPreferencesFromResource(R.xml.preferences);\r
  19                 \r
  20                 PreferenceManager prefManager = getPreferenceManager();\r
  21                 {\r
  22                         String key = getApplication().getResources().getString(R.string.PreferenceUnitLengthOption);\r
  23                         Preference pref = prefManager.findPreference(key);\r
  24                         new UnitPreferenceListener(pref, UnitGroup.UNITS_LENGTH, "Current value ");\r
  25                         \r
  26                 }\r
  27                 {\r
  28                         String key = getApplication().getResources().getString(R.string.PreferenceUnitMassOption);\r
  29                         Preference pref = prefManager.findPreference(key);\r
  30                         new UnitPreferenceListener(pref, UnitGroup.UNITS_MASS, "Current value ");\r
  31                         \r
  32                 }\r
  33                 {\r
  34                         String key = getApplication().getResources().getString(R.string.PreferenceUnitVelocityOption);\r
  35                         Preference pref = prefManager.findPreference(key);\r
  36                         new UnitPreferenceListener(pref, UnitGroup.UNITS_VELOCITY, "Current value ");\r
  37                         \r
  38                 }\r
  39                 {\r
  40                         String key = getApplication().getResources().getString(R.string.PreferenceUnitDistanceOption);\r
  41                         Preference pref = prefManager.findPreference(key);\r
  42                         new UnitPreferenceListener(pref, UnitGroup.UNITS_DISTANCE, "Current value ");\r
  43                         \r
  44                 }\r
  45         }\r
  46 \r
  47         @Override\r
  48         protected void onDestroy() {\r
  49                 super.onDestroy();\r
  50         }\r
  51 \r
  52         /**\r
  53          * This method is to be called from Application setup to pull the saved preference\r
  54          * values into the various datastructures used in OpenRocket.\r
  55          * This method is located in this class because it is probably best to have as much\r
  56          * of the code in the same place as possible.\r
  57          * @param sharedPreferences\r
  58          */\r
  59         public static void initializePreferences( android.app.Application app, SharedPreferences sharedPreferences ) {\r
  60                 \r
  61                 String unitLength = app.getResources().getString(R.string.PreferenceUnitLengthOption);\r
  62                 String len = sharedPreferences.getString(unitLength, "cm");\r
  63                 UnitGroup.UNITS_LENGTH.setDefaultUnit( len );\r
  64                 \r
  65                 AndroidLogWrapper.d(PreferencesActivity.class, "Chaning mass");\r
  66                 String unitMass = app.getResources().getString(R.string.PreferenceUnitMassOption);\r
  67                 String mass = sharedPreferences.getString(unitMass, "g");\r
  68                 UnitGroup.UNITS_MASS.setDefaultUnit( mass );\r
  69                 \r
  70                 String unitVelocity = app.getResources().getString(R.string.PreferenceUnitVelocityOption);\r
  71                 String velocity = sharedPreferences.getString(unitVelocity, "m/s");\r
  72                 UnitGroup.UNITS_VELOCITY.setDefaultUnit( velocity );\r
  73                 \r
  74                 String unitDistance = app.getResources().getString(R.string.PreferenceUnitDistanceOption);\r
  75                 String distance = sharedPreferences.getString(unitDistance, "m");\r
  76                 UnitGroup.UNITS_DISTANCE.setDefaultUnit( distance );\r
  77                 \r
  78         }\r
  79 \r
  80         private class UnitPreferenceListener implements Preference.OnPreferenceChangeListener {\r
  81 \r
  82                 private UnitGroup matchedGroup;\r
  83                 private String message;\r
  84                 private Preference pref;\r
  85                 \r
  86                 private UnitPreferenceListener( Preference pref, UnitGroup unit, String message) {\r
  87                         this.pref = pref;\r
  88                         this.matchedGroup = unit;\r
  89                         this.message = message;\r
  90                         pref.setSummary(message + unit.getDefaultUnit().getUnit());\r
  91                         // todo figure out how to setSummary - need to get initial value.\r
  92                         pref.setOnPreferenceChangeListener(this);\r
  93                 }\r
  94                 \r
  95                 @Override\r
  96                 public boolean onPreferenceChange(Preference preference, Object newValue) {\r
  97                         matchedGroup.setDefaultUnit((String)newValue);\r
  98                         preference.setSummary(message + newValue);\r
  99                         return true;\r
 100                 }\r
 101                 \r
 102         }\r
 103         \r
 104 }\r