package org.emdev.common.settings.base;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import org.emdev.BaseDroidApp;
import org.emdev.utils.enums.EnumUtils;
import org.emdev.utils.enums.ResourceConstant;
import org.json.JSONObject;
public class EnumPreferenceDefinition<E extends Enum<E> & ResourceConstant> extends BasePreferenceDefinition<E> {
private final Class<E> enumClass;
private final E defValue;
public EnumPreferenceDefinition(final Class<E> enumClass, final int keyRes, final int defValRef) {
super(keyRes);
this.enumClass = enumClass;
this.defValue = EnumUtils.getByResValue(enumClass, BaseDroidApp.context.getString(defValRef), null);
}
@Override
public E getPreferenceValue(final SharedPreferences prefs) {
return getPreferenceValue(prefs, defValue);
}
public E getPreferenceValue(final SharedPreferences prefs, final E defValue) {
if (!prefs.contains(key)) {
prefs.edit().putString(key, defValue.getResValue()).commit();
}
return EnumUtils.getByResValue(enumClass, prefs.getString(key, null), defValue);
}
public void setPreferenceValue(final Editor edit, final E value) {
if (value != null) {
edit.putString(key, value.getResValue());
} else {
edit.remove(key);
}
}
@Override
public void restore(final JSONObject root, final Editor edit) {
final String value = root.optString(key);
setPreferenceValue(edit, EnumUtils.getByName(enumClass, value, defValue));
}
}