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.common.preference; 18 19 import android.app.AlertDialog.Builder; 20 import android.content.Context; 21 import android.preference.ListPreference; 22 import android.util.AttributeSet; 23 import com.android.contacts.common.R; 24 25 /** Custom preference: view-name-as (first name first or last name first). */ 26 public final class DisplayOrderPreference extends ListPreference { 27 28 private ContactsPreferences mPreferences; 29 private Context mContext; 30 DisplayOrderPreference(Context context)31 public DisplayOrderPreference(Context context) { 32 super(context); 33 prepare(); 34 } 35 DisplayOrderPreference(Context context, AttributeSet attrs)36 public DisplayOrderPreference(Context context, AttributeSet attrs) { 37 super(context, attrs); 38 prepare(); 39 } 40 prepare()41 private void prepare() { 42 mContext = getContext(); 43 mPreferences = new ContactsPreferences(mContext); 44 setEntries( 45 new String[] { 46 mContext.getString(R.string.display_options_view_given_name_first), 47 mContext.getString(R.string.display_options_view_family_name_first), 48 }); 49 setEntryValues( 50 new String[] { 51 String.valueOf(ContactsPreferences.DISPLAY_ORDER_PRIMARY), 52 String.valueOf(ContactsPreferences.DISPLAY_ORDER_ALTERNATIVE), 53 }); 54 setValue(String.valueOf(mPreferences.getDisplayOrder())); 55 } 56 57 @Override shouldPersist()58 protected boolean shouldPersist() { 59 return false; // This preference takes care of its own storage 60 } 61 62 @Override getSummary()63 public CharSequence getSummary() { 64 switch (mPreferences.getDisplayOrder()) { 65 case ContactsPreferences.DISPLAY_ORDER_PRIMARY: 66 return mContext.getString(R.string.display_options_view_given_name_first); 67 case ContactsPreferences.DISPLAY_ORDER_ALTERNATIVE: 68 return mContext.getString(R.string.display_options_view_family_name_first); 69 } 70 return null; 71 } 72 73 @Override persistString(String value)74 protected boolean persistString(String value) { 75 int newValue = Integer.parseInt(value); 76 if (newValue != mPreferences.getDisplayOrder()) { 77 mPreferences.setDisplayOrder(newValue); 78 notifyChanged(); 79 } 80 return true; 81 } 82 83 @Override 84 // UX recommendation is not to show cancel button on such lists. onPrepareDialogBuilder(Builder builder)85 protected void onPrepareDialogBuilder(Builder builder) { 86 super.onPrepareDialogBuilder(builder); 87 builder.setNegativeButton(null, null); 88 } 89 } 90