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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.contacts.preference;
     18 
     19 import android.app.AlertDialog.Builder;
     20 import android.content.Context;
     21 import android.preference.ListPreference;
     22 import android.provider.ContactsContract;
     23 import android.util.AttributeSet;
     24 
     25 import com.android.contacts.R;
     26 import com.android.contacts.common.preference.ContactsPreferences;
     27 
     28 /**
     29  * Custom preference: view-name-as (first name first or last name first).
     30  */
     31 public final class DisplayOrderPreference extends ListPreference {
     32 
     33     private ContactsPreferences mPreferences;
     34     private Context mContext;
     35 
     36     public DisplayOrderPreference(Context context) {
     37         super(context);
     38         prepare();
     39     }
     40 
     41     public DisplayOrderPreference(Context context, AttributeSet attrs) {
     42         super(context, attrs);
     43         prepare();
     44     }
     45 
     46     private void prepare() {
     47         mContext = getContext();
     48         mPreferences = new ContactsPreferences(mContext);
     49         setEntries(new String[]{
     50                 mContext.getString(R.string.display_options_view_given_name_first),
     51                 mContext.getString(R.string.display_options_view_family_name_first),
     52         });
     53         setEntryValues(new String[]{
     54                 String.valueOf(ContactsContract.Preferences.DISPLAY_ORDER_PRIMARY),
     55                 String.valueOf(ContactsContract.Preferences.DISPLAY_ORDER_ALTERNATIVE),
     56         });
     57         setValue(String.valueOf(mPreferences.getDisplayOrder()));
     58     }
     59 
     60     @Override
     61     protected boolean shouldPersist() {
     62         return false;   // This preference takes care of its own storage
     63     }
     64 
     65     @Override
     66     public CharSequence getSummary() {
     67         switch (mPreferences.getDisplayOrder()) {
     68             case ContactsContract.Preferences.DISPLAY_ORDER_PRIMARY:
     69                 return mContext.getString(R.string.display_options_view_given_name_first);
     70             case ContactsContract.Preferences.DISPLAY_ORDER_ALTERNATIVE:
     71                 return mContext.getString(R.string.display_options_view_family_name_first);
     72         }
     73         return null;
     74     }
     75 
     76     @Override
     77     protected boolean persistString(String value) {
     78         int newValue = Integer.parseInt(value);
     79         if (newValue != mPreferences.getDisplayOrder()) {
     80             mPreferences.setDisplayOrder(newValue);
     81             notifyChanged();
     82         }
     83         return true;
     84     }
     85 
     86     @Override
     87     // UX recommendation is not to show cancel button on such lists.
     88     protected void onPrepareDialogBuilder(Builder builder) {
     89         super.onPrepareDialogBuilder(builder);
     90         builder.setNegativeButton(null, null);
     91     }
     92 }
     93