[FreeShisen] / src / de / cwde / freeshisen / SettingsActivity.java

package de.cwde.freeshisen;

import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.content.res.Resources;
import android.os.Bundle;
import android.preference.*;

public class SettingsActivity extends PreferenceActivity
implements OnSharedPreferenceChangeListener {

        private ShisenSho app;

        private static final String KEY_PREF_DIFF = "pref_diff";
        private static final String KEY_PREF_SIZE = "pref_size";
        private static final String KEY_PREF_TILE = "pref_tile";
        //private static final String KEY_PREF_GRAV = "pref_grav";
        //private static final String KEY_PREF_TIME = "pref_time";

        @SuppressWarnings("deprecation")
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                app = ShisenSho.app();
                addPreferencesFromResource(R.xml.preferences);
                SharedPreferences sharedPreferences = getPreferenceScreen().getSharedPreferences();

                sharedPreferences.registerOnSharedPreferenceChangeListener(this);
                updateSummary(sharedPreferences, KEY_PREF_DIFF, KEY_PREF_DIFF, R.array.difficulties);
                updateSummary(sharedPreferences, KEY_PREF_SIZE, KEY_PREF_SIZE, R.array.sizes);
                updateTileSummary(sharedPreferences, KEY_PREF_TILE);
        }

        @Override
        public void onBackPressed() {
                app.checkForChangedOptions();
                super.onBackPressed();
        }

        @SuppressWarnings("deprecation")
        @Override
        protected void onResume() {
                super.onResume();
                getPreferenceScreen().getSharedPreferences()
                .registerOnSharedPreferenceChangeListener(this);
        }

        @SuppressWarnings("deprecation")
        @Override
        protected void onPause() {
                super.onPause();
                getPreferenceScreen().getSharedPreferences()
                .unregisterOnSharedPreferenceChangeListener(this);
        }

        public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
                updateSummary(sharedPreferences, key, KEY_PREF_DIFF, R.array.difficulties);
                updateSummary(sharedPreferences, key, KEY_PREF_SIZE, R.array.sizes);
                updateTileSummary(sharedPreferences, key);
        }

        private void updateSummary(SharedPreferences sharedPreferences, String changedkey, String mykey, int myresource) {
                if (changedkey.equals(mykey)) {
                        // FIXME: handle NumberFormatException here?
                        int i = Integer.parseInt(sharedPreferences.getString(changedkey, "1"));

                        Resources res = getResources();
                        String[] mystrings = res.getStringArray(myresource);
                        String name = mystrings[i-1];

                        @SuppressWarnings("deprecation")
                        Preference myPref = findPreference(changedkey);
                        myPref.setSummary("Currently: " + name);
                }
        }

        private void updateTileSummary(SharedPreferences sharedPreferences, String changedkey) {
                if (changedkey.equals(KEY_PREF_TILE)) {
                        String name = sharedPreferences.getString(KEY_PREF_TILE, "classic");

                        @SuppressWarnings("deprecation")
                        Preference myPref = findPreference(KEY_PREF_TILE);
                        myPref.setSummary("Current Tileset: " + name);
                }
        }

}