annotate src/com/five_ten_sg/connectbot/HostEditorActivity.java @ 128:377357365d68

host editor database values override summary text only if non-empty
author Carl Byington <carl@five-ten-sg.com>
date Thu, 19 Jun 2014 09:42:09 -0700
parents 69db8af9508d
children 50e1dead04a1
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1 /*
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2 * ConnectBot: simple, powerful, open-source SSH client for Android
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3 * Copyright 2007 Kenny Root, Jeffrey Sharkey
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4 *
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5 * Licensed under the Apache License, Version 2.0 (the "License");
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6 * you may not use this file except in compliance with the License.
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7 * You may obtain a copy of the License at
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8 *
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9 * http://www.apache.org/licenses/LICENSE-2.0
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10 *
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11 * Unless required by applicable law or agreed to in writing, software
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12 * distributed under the License is distributed on an "AS IS" BASIS,
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13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 * See the License for the specific language governing permissions and
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15 * limitations under the License.
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16 */
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17
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18 package com.five_ten_sg.connectbot;
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19
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20 import java.nio.charset.Charset;
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21 import java.util.Arrays;
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22 import java.util.HashMap;
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23 import java.util.LinkedList;
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24 import java.util.List;
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25 import java.util.HashMap;
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26 import java.util.Map;
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27 import java.util.Map.Entry;
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28 import java.util.Set;
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29
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30 import com.five_ten_sg.connectbot.bean.HostBean;
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31 import com.five_ten_sg.connectbot.service.TerminalBridge;
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32 import com.five_ten_sg.connectbot.service.TerminalManager;
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33 import com.five_ten_sg.connectbot.util.HostDatabase;
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34 import com.five_ten_sg.connectbot.util.PubkeyDatabase;
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35 import android.content.ComponentName;
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36 import android.content.ContentValues;
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37 import android.content.Context;
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38 import android.content.Intent;
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39 import android.content.ServiceConnection;
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40 import android.content.SharedPreferences;
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41 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
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42 import android.database.Cursor;
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43 import android.database.sqlite.SQLiteDatabase;
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44 import android.os.Bundle;
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45 import android.os.IBinder;
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46 import android.preference.CheckBoxPreference;
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47 import android.preference.ListPreference;
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48 import android.preference.Preference;
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49 import android.preference.PreferenceActivity;
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50 import android.util.Log;
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51
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52 public class HostEditorActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener {
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53 public class CursorPreferenceHack implements SharedPreferences {
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54 protected final String table;
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55 protected final long id;
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56
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57 protected Map<String, String> values = new HashMap<String, String>();
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58 protected Map<String, CharSequence> summaries = new HashMap<String, CharSequence>();
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59
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60 public CursorPreferenceHack(String table, long id) {
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61 this.table = table;
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62 this.id = id;
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63 cacheValues();
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64 }
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65
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66 protected final void cacheValues() {
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67 // fill a cursor and cache the values locally
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68 // this makes sure we dont have any floating cursor to dispose later
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69 SQLiteDatabase db = hostdb.getReadableDatabase();
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70 Cursor cursor = db.query(table, null, "_id = ?",
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71 new String[] { String.valueOf(id) }, null, null, null);
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72
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73 if (cursor.moveToFirst()) {
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74 for (int i = 0; i < cursor.getColumnCount(); i++) {
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75 String key = cursor.getColumnName(i);
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76
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77 if (key.equals(HostDatabase.FIELD_HOST_HOSTKEY)) continue;
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78
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79 String value = cursor.getString(i);
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80 values.put(key, value);
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81 }
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82 }
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83
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84 cursor.close();
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85 db.close();
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86 }
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87
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88 public boolean contains(String key) {
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89 return values.containsKey(key);
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90 }
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91
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92 public class Editor implements SharedPreferences.Editor {
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93
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94 private ContentValues update = new ContentValues();
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95
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96 public SharedPreferences.Editor clear() {
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97 Log.d(this.getClass().toString(), "clear()");
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98 update = new ContentValues();
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99 return this;
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100 }
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101
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102 public boolean commit() {
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103 //Log.d(this.getClass().toString(), "commit() changes back to database");
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104 SQLiteDatabase db = hostdb.getWritableDatabase();
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105 db.update(table, update, "_id = ?", new String[] { String.valueOf(id) });
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106 db.close();
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107 // make sure we refresh the parent cached values
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108 cacheValues();
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109
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110 // and update any listeners
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111 for (OnSharedPreferenceChangeListener listener : listeners) {
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112 listener.onSharedPreferenceChanged(CursorPreferenceHack.this, null);
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113 }
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114
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115 return true;
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116 }
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117
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118 // Gingerbread compatibility
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119 public void apply() {
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120 commit();
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121 }
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122
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123 public android.content.SharedPreferences.Editor putBoolean(String key, boolean value) {
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124 return this.putString(key, Boolean.toString(value));
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125 }
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126
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127 public android.content.SharedPreferences.Editor putFloat(String key, float value) {
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128 return this.putString(key, Float.toString(value));
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129 }
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130
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131 public android.content.SharedPreferences.Editor putInt(String key, int value) {
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132 return this.putString(key, Integer.toString(value));
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133 }
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134
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135 public android.content.SharedPreferences.Editor putLong(String key, long value) {
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136 return this.putString(key, Long.toString(value));
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137 }
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138
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139 public android.content.SharedPreferences.Editor putString(String key, String value) {
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140 //Log.d(this.getClass().toString(), String.format("Editor.putString(key=%s, value=%s)", key, value));
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141 update.put(key, value);
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142 return this;
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143 }
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144
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145 public android.content.SharedPreferences.Editor remove(String key) {
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146 //Log.d(this.getClass().toString(), String.format("Editor.remove(key=%s)", key));
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147 update.remove(key);
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148 return this;
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149 }
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150
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151 public android.content.SharedPreferences.Editor putStringSet(String key, Set<String> value) {
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152 throw new UnsupportedOperationException("HostEditor Prefs do not support Set<String>");
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153 }
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154 }
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155
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156
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157 public Editor edit() {
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158 //Log.d(this.getClass().toString(), "edit()");
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159 return new Editor();
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160 }
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161
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162 public Map<String, ?> getAll() {
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163 return values;
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164 }
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165
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166 public boolean getBoolean(String key, boolean defValue) {
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167 return Boolean.valueOf(this.getString(key, Boolean.toString(defValue)));
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168 }
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169
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170 public float getFloat(String key, float defValue) {
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171 return Float.valueOf(this.getString(key, Float.toString(defValue)));
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172 }
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173
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174 public int getInt(String key, int defValue) {
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175 return Integer.valueOf(this.getString(key, Integer.toString(defValue)));
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176 }
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177
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178 public long getLong(String key, long defValue) {
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179 return Long.valueOf(this.getString(key, Long.toString(defValue)));
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180 }
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181
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182 public String getString(String key, String defValue) {
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183 //Log.d(this.getClass().toString(), String.format("getString(key=%s, defValue=%s)", key, defValue));
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184 if (!values.containsKey(key)) return defValue;
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185
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186 return values.get(key);
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187 }
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188
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189 public Set<String> getStringSet(String key, Set<String> defValue) {
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190 throw new ClassCastException("HostEditor Prefs do not support Set<String>");
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191 }
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192
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193 protected List<OnSharedPreferenceChangeListener> listeners = new LinkedList<OnSharedPreferenceChangeListener>();
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194
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195 public void registerOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) {
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196 listeners.add(listener);
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197 }
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198
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199 public void unregisterOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) {
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200 listeners.remove(listener);
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201 }
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202
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203 }
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204
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205 @Override
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206 public SharedPreferences getSharedPreferences(String name, int mode) {
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207 //Log.d(this.getClass().toString(), String.format("getSharedPreferences(name=%s)", name));
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208 return this.pref;
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209 }
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210
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211 protected static final String TAG = "ConnectBot.HostEditorActivity";
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212
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213 protected HostDatabase hostdb = null;
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214 private PubkeyDatabase pubkeydb = null;
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215
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216 private CursorPreferenceHack pref;
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217 private ServiceConnection connection;
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218
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219 private HostBean host;
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220 private boolean enableSSHFeatures;
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221 private boolean enable5250Features;
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222 private boolean enableAsyncFeatures;
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223
0
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224 protected TerminalBridge hostBridge;
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225
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226 @Override
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227 public void onCreate(Bundle icicle) {
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228 super.onCreate(icicle);
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229 long hostId = this.getIntent().getLongExtra(Intent.EXTRA_TITLE, -1);
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230 // TODO: we could pass through a specific ContentProvider uri here
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231 //this.getPreferenceManager().setSharedPreferencesName(uri);
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232 this.hostdb = new HostDatabase(this);
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233 this.pubkeydb = new PubkeyDatabase(this);
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234 host = hostdb.findHostById(hostId);
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235 enableSSHFeatures = host.isSSH();
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236 enable5250Features = host.is5250();
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237 enableAsyncFeatures = host.isAsync();
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238 connection = new ServiceConnection() {
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239 public void onServiceConnected(ComponentName className, IBinder service) {
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240 TerminalManager bound = ((TerminalManager.TerminalBinder) service).getService();
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241 hostBridge = bound.getConnectedBridge(host);
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242 }
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243 public void onServiceDisconnected(ComponentName name) {
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244 hostBridge = null;
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245 }
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246 };
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247 this.pref = new CursorPreferenceHack(HostDatabase.TABLE_HOSTS, hostId);
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248 this.pref.registerOnSharedPreferenceChangeListener(this);
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249 this.addPreferencesFromResource(R.xml.host_prefs);
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250 // get all the text summaries
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251 getSummaries();
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252 // disable all preferences that are not applicable to this host
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253 findPreference(HostDatabase.FIELD_HOST_PUBKEYID).setEnabled(enableSSHFeatures);
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254 findPreference(HostDatabase.FIELD_HOST_USEAUTHAGENT).setEnabled(enableSSHFeatures);
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255 findPreference(HostDatabase.FIELD_HOST_POSTLOGIN).setEnabled(!enable5250Features);
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256 findPreference(HostDatabase.FIELD_HOST_COMPRESSION).setEnabled(enableSSHFeatures);
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257 findPreference(HostDatabase.FIELD_HOST_HTTPPROXY).setEnabled(enableAsyncFeatures);
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258 findPreference(HostDatabase.FIELD_HOST_WANTSESSION).setEnabled(enableSSHFeatures);
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259 findPreference(HostDatabase.FIELD_HOST_USERNAME).setEnabled(enableSSHFeatures || enable5250Features);
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260 findPreference(HostDatabase.FIELD_HOST_EMULATION).setEnabled(!enable5250Features);
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261 findPreference(HostDatabase.CATEGORY_5250).setEnabled(enable5250Features);
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262 findPreference(HostDatabase.CATEGORY_X11).setEnabled(enableSSHFeatures);
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263 // add all existing pubkeys to our listpreference for user to choose from
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264 // TODO: may be an issue here when this activity is recycled after adding a new pubkey
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265 // TODO: should consider moving into onStart, but we dont have a good way of resetting the listpref after filling once
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266 ListPreference pubkeyPref = (ListPreference)findPreference(HostDatabase.FIELD_HOST_PUBKEYID);
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267 List<CharSequence> pubkeyNicks = new LinkedList<CharSequence> (Arrays.asList(pubkeyPref.getEntries()));
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268 pubkeyNicks.addAll(pubkeydb.allValues(PubkeyDatabase.FIELD_PUBKEY_NICKNAME));
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269 pubkeyPref.setEntries(pubkeyNicks.toArray(new CharSequence[pubkeyNicks.size()]));
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270 List<CharSequence> pubkeyIds = new LinkedList<CharSequence> (Arrays.asList(pubkeyPref.getEntryValues()));
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271 pubkeyIds.addAll(pubkeydb.allValues("_id"));
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272 pubkeyPref.setEntryValues(pubkeyIds.toArray(new CharSequence[pubkeyIds.size()]));
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273 // Populate the character set encoding list with all available
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diff changeset
274 final ListPreference charsetPref = (ListPreference)findPreference(HostDatabase.FIELD_HOST_ENCODING);
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275
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276 if (CharsetHolder.isInitialized()) {
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277 initCharsetPref(charsetPref);
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278 }
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279 else {
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280 String[] currentCharsetPref = new String[1];
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281 currentCharsetPref[0] = charsetPref.getValue();
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282 charsetPref.setEntryValues(currentCharsetPref);
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283 charsetPref.setEntries(currentCharsetPref);
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284 new Thread(new Runnable() {
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285 public void run() {
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286 initCharsetPref(charsetPref);
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287 }
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288 }).start();
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289 }
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290
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291 this.updateSummaries();
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292 }
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293
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294 @Override
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295 public void onStart() {
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296 super.onStart();
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297 bindService(new Intent(this, TerminalManager.class), connection, Context.BIND_AUTO_CREATE);
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298
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299 if (this.hostdb == null)
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300 this.hostdb = new HostDatabase(this);
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301
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302 if (this.pubkeydb == null)
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303 this.pubkeydb = new PubkeyDatabase(this);
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304 }
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305
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diff changeset
306 @Override
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diff changeset
307 public void onStop() {
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308 super.onStop();
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diff changeset
309 unbindService(connection);
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310
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311 if (this.hostdb != null) {
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312 this.hostdb.close();
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313 this.hostdb = null;
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314 }
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315
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diff changeset
316 if (this.pubkeydb != null) {
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diff changeset
317 this.pubkeydb.close();
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318 this.pubkeydb = null;
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319 }
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320 }
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321
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diff changeset
322 private void getSummaries() {
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diff changeset
323 // get all the original text summaries
0
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324 for (String key : this.pref.values.keySet()) {
127
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diff changeset
325 Preference pref = this.findPreference(key);
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326 if (pref == null) continue;
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327 if (pref instanceof CheckBoxPreference) continue;
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328 CharSequence value = this.pref.getSummary(key, "");
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329 summaries.put(key, value);
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330 }
127
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331 }
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332
127
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333 private void updateSummaries() {
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334 // for all text preferences, set hint as current database value if it is non-empty
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335 for (String key : this.pref.values.keySet()) {
0
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336 Preference pref = this.findPreference(key);
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337 if (pref == null) continue;
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338 if (pref instanceof CheckBoxPreference) continue;
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339 CharSequence value = this.pref.getString(key, "");
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340
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341 if (key.equals(HostDatabase.FIELD_HOST_PUBKEYID)) {
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342 try {
127
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343 int pubkeyId = Integer.parseInt(value.toString());
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344
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345 if (pubkeyId >= 0)
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346 pref.setSummary(pubkeydb.getNickname(pubkeyId));
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347 else if (pubkeyId == HostDatabase.PUBKEYID_ANY)
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348 pref.setSummary(R.string.list_pubkeyids_any);
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349 else if (pubkeyId == HostDatabase.PUBKEYID_NEVER)
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350 pref.setSummary(R.string.list_pubkeyids_none);
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351
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352 continue;
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353 }
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354 catch (NumberFormatException nfe) {
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355 // Fall through.
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356 }
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357 }
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358 else if (pref instanceof ListPreference) {
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359 ListPreference listPref = (ListPreference) pref;
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360 int entryIndex = listPref.findIndexOfValue(value);
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361 if (entryIndex >= 0) value = listPref.getEntries()[entryIndex];
0
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362 }
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363
127
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364 if ((value == null) || value.length() == 0)) value = summaries.get(key);
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365 pref.setSummary(value);
0
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366 }
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367 }
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368
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369 private void initCharsetPref(final ListPreference charsetPref) {
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370 charsetPref.setEntryValues(CharsetHolder.getCharsetIds());
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371 charsetPref.setEntries(CharsetHolder.getCharsetNames());
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372 }
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373
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374 public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
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375 // update values on changed preference
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376 this.updateSummaries();
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377
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378 // Our CursorPreferenceHack always send null keys, so try to set charset anyway
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379 if (hostBridge != null)
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380 hostBridge.setCharset(sharedPreferences
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381 .getString(HostDatabase.FIELD_HOST_ENCODING, HostDatabase.ENCODING_DEFAULT));
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382 }
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383
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384 public static class CharsetHolder {
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385 private static boolean initialized = false;
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386
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387 private static CharSequence[] charsetIds;
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388 private static CharSequence[] charsetNames;
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389
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390 public static CharSequence[] getCharsetNames() {
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391 if (charsetNames == null)
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392 initialize();
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393
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394 return charsetNames;
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395 }
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396
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397 public static CharSequence[] getCharsetIds() {
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398 if (charsetIds == null)
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diff changeset
399 initialize();
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400
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401 return charsetIds;
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402 }
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parents:
diff changeset
403
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parents:
diff changeset
404 private synchronized static void initialize() {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
405 if (initialized)
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
406 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
407
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
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diff changeset
408 List<CharSequence> charsetIdsList = new LinkedList<CharSequence>();
0ce5cc452d02 initial version
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parents:
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409 List<CharSequence> charsetNamesList = new LinkedList<CharSequence>();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
410
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
411 for (Entry<String, Charset> entry : Charset.availableCharsets().entrySet()) {
0ce5cc452d02 initial version
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parents:
diff changeset
412 Charset c = entry.getValue();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
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diff changeset
413
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
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diff changeset
414 if (c.canEncode() && c.isRegistered()) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
415 String key = entry.getKey();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
416
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
417 if (key.startsWith("cp")) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
418 // Custom CP437 charset changes
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
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diff changeset
419 charsetIdsList.add("CP437");
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
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420 charsetNamesList.add("CP437");
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
421 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
422
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
423 charsetIdsList.add(entry.getKey());
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
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diff changeset
424 charsetNamesList.add(c.displayName());
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
425 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
426 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
427
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
428 charsetIds = charsetIdsList.toArray(new CharSequence[charsetIdsList.size()]);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
429 charsetNames = charsetNamesList.toArray(new CharSequence[charsetNamesList.size()]);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
430 initialized = true;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
431 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
432
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
433 public static boolean isInitialized() {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
434 return initialized;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
435 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
436 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
437 }