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