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[Dictionary.git] / src / com / hughes / android / dictionary / PreferenceActivity.java
1 // Copyright 2011 Google Inc. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package com.hughes.android.dictionary;
16
17 import android.app.AlertDialog;
18 import android.content.SharedPreferences;
19 import android.os.Bundle;
20 import android.os.Build;
21 import android.os.Environment;
22 import android.preference.ListPreference;
23 import android.preference.PreferenceManager;
24
25 import java.io.File;
26 import java.util.List;
27
28 public class PreferenceActivity extends android.preference.PreferenceActivity
29     implements SharedPreferences.OnSharedPreferenceChangeListener {
30
31     static boolean prefsMightHaveChanged = false;
32
33     @SuppressWarnings("deprecation")
34     @Override
35     public void onCreate(Bundle savedInstanceState) {
36         final DictionaryApplication application = (DictionaryApplication) getApplication();
37         setTheme(application.getSelectedTheme().themeId);
38         
39         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
40         if (prefs.getString(getString(R.string.quickdicDirectoryKey), "").equals("")) {
41             prefs.edit().putString(getString(R.string.quickdicDirectoryKey), application.getDictDir().getAbsolutePath()).commit();
42         }
43         if (prefs.getString(getString(R.string.wordListFileKey), "").equals("")) {
44             prefs.edit().putString(getString(R.string.wordListFileKey), application.getWordListFile().getAbsolutePath()).commit();
45         }
46
47         /**
48          * @author Dominik Köppl Preference: select default dictionary As this
49          *         list is dynamically generated, we have to do it in this
50          *         fashion
51          */
52         super.onCreate(savedInstanceState);
53         addPreferencesFromResource(R.xml.preferences);
54         ListPreference defaultDic = (ListPreference) findPreference(getResources().getString(
55                 R.string.defaultDicKey));
56         List<DictionaryInfo> dicts = application.getDictionariesOnDevice(null);
57
58         final CharSequence[] entries = new CharSequence[dicts.size()];
59         final CharSequence[] entryvalues = new CharSequence[dicts.size()];
60
61         for (int i = 0; i < entries.length; ++i)
62         {
63             entries[i] = dicts.get(i).dictInfo;
64             entryvalues[i] = dicts.get(i).uncompressedFilename;
65         }
66
67         defaultDic.setEntries(entries);
68         defaultDic.setEntryValues(entryvalues);
69
70         prefs.registerOnSharedPreferenceChangeListener(this);
71     }
72
73     @Override
74     public void onContentChanged() {
75         super.onContentChanged();
76     }
77
78     @Override
79     public void onSharedPreferenceChanged(SharedPreferences p, String v) {
80         final DictionaryApplication application = (DictionaryApplication)getApplication();
81         File dictDir = application.getDictDir();
82         if (!dictDir.isDirectory() || !dictDir.canWrite()) {
83             String dirs = "";
84             String externalDir = Environment.getExternalStorageDirectory().getAbsolutePath();
85             if (new File(externalDir).canWrite())
86                 dirs += "\n" + externalDir + "/quickDic";
87             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
88                 File[] files = getApplicationContext().getExternalFilesDirs(null);
89                 for (File f : files) {
90                     if (f.canWrite())
91                         dirs += "\n" + f.getAbsolutePath();
92                 }
93             } else {
94                 String externalFilesDir = getApplicationContext().getExternalFilesDir(null).getAbsolutePath();
95                 if (new File(externalFilesDir).canWrite())
96                     dirs += "\n" + externalFilesDir;
97             }
98             new AlertDialog.Builder(this).setTitle(getString(R.string.error))
99                 .setMessage("Chosen directory not writeable, try one of" + dirs)
100                     .setNeutralButton("Close", null).show();
101         }
102     }
103 }