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.provider.ContactsContract;
23 import android.util.AttributeSet;
24 
25 import com.android.contacts.common.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 
DisplayOrderPreference(Context context)36     public DisplayOrderPreference(Context context) {
37         super(context);
38         prepare();
39     }
40 
DisplayOrderPreference(Context context, AttributeSet attrs)41     public DisplayOrderPreference(Context context, AttributeSet attrs) {
42         super(context, attrs);
43         prepare();
44     }
45 
prepare()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(ContactsPreferences.DISPLAY_ORDER_PRIMARY),
55                 String.valueOf(ContactsPreferences.DISPLAY_ORDER_ALTERNATIVE),
56         });
57         setValue(String.valueOf(mPreferences.getDisplayOrder()));
58     }
59 
60     @Override
shouldPersist()61     protected boolean shouldPersist() {
62         return false;   // This preference takes care of its own storage
63     }
64 
65     @Override
getSummary()66     public CharSequence getSummary() {
67         switch (mPreferences.getDisplayOrder()) {
68             case ContactsPreferences.DISPLAY_ORDER_PRIMARY:
69                 return mContext.getString(R.string.display_options_view_given_name_first);
70             case ContactsPreferences.DISPLAY_ORDER_ALTERNATIVE:
71                 return mContext.getString(R.string.display_options_view_family_name_first);
72         }
73         return null;
74     }
75 
76     @Override
persistString(String value)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.
onPrepareDialogBuilder(Builder builder)88     protected void onPrepareDialogBuilder(Builder builder) {
89         super.onPrepareDialogBuilder(builder);
90         builder.setNegativeButton(null, null);
91     }
92 }
93