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1 /* |
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2 * Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Japanese user dictionary Model class. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 |
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22 // INCLUDE FILES |
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23 #include "UdictModel.h" |
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24 #include "UdictModel.inl" |
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25 #include <PtiEngine.h> |
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26 |
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27 // CONSTANTS |
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28 const TInt KItemListGranularity(8); |
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29 _LIT(KPanicCatModel, "UserDictModel"); |
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30 |
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31 // ============================ MEMBER FUNCTIONS =============================== |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // CUserDictModel::NewL |
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35 // Two-phased constructor. |
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36 // ----------------------------------------------------------------------------- |
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37 // |
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38 CUserDictModel* CUserDictModel::NewL() |
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39 { |
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40 CUserDictModel* self = new(ELeave) CUserDictModel; |
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41 CleanupStack::PushL(self); |
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42 self->ConstructL(); |
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43 CleanupStack::Pop(); |
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44 |
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45 return self; |
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46 } |
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47 |
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48 // Destructor |
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49 CUserDictModel::~CUserDictModel() |
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50 { |
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51 delete iItemList; |
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52 delete iPtiEngine; |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CUserDictModel::AddNewWordL |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 TInt CUserDictModel::AddNewWordL(const TUDictElement& aItem) |
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60 { |
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61 User::LeaveIfError(IsDictionaryFull() ? KErrDiskFull : KErrNone); |
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62 |
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63 // Checks the word list if the entry is not registered to it. |
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64 TInt index(0); |
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65 TWordListKey key; |
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66 if (iItemList->Count() > 0 && !iItemList->FindIsq(aItem, key, index)) |
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67 { |
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68 User::Leave(KErrAlreadyExists); |
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69 } |
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70 |
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71 // Adds a new entry to the User dictionary. |
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72 User::LeaveIfError( |
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73 iPtiEngine->AddUserDictionaryEntry(const_cast<TUDictElement&>(aItem))); |
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74 |
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75 // Adds a new entry to the registered word list. |
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76 iItemList->InsertL(index, aItem); |
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77 |
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78 return index; |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // CUserDictModel::DeleteWordL |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 void CUserDictModel::DeleteWordL(TInt aIndex) |
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86 { |
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87 ReloadDictInfoL(); |
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88 const TUDictElement& item = ListItem(aIndex); |
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89 |
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90 // Removes the entry from the User dictionary. |
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91 TInt err(iPtiEngine->RemoveEntryFromUserDictionary( |
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92 const_cast<TUDictElement&>(item))); |
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93 // KErrNotFound means the entry is incorrect. It should be ASSERT. |
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94 __ASSERT_ALWAYS(err != KErrNotFound, User::Panic(KPanicCatModel, err)); |
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95 |
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96 // Removes the entry from the registered word list. |
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97 iItemList->Delete(aIndex); |
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98 } |
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99 |
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100 // ----------------------------------------------------------------------------- |
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101 // CUserDictModel::ModifyWordL |
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102 // ----------------------------------------------------------------------------- |
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103 // |
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104 TInt CUserDictModel::ModifyWordL(TInt aIndex, const TUDictElement& aItem) |
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105 { |
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106 TInt index = AddNewWordL(aItem); |
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107 if (index <= aIndex) |
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108 { |
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109 DeleteWordL(aIndex + 1); |
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110 } |
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111 else |
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112 { |
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113 DeleteWordL(aIndex); |
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114 index--; |
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115 } |
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116 return index; |
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117 } |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // CUserDictModel::InitListL |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 void CUserDictModel::InitListL() |
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124 { |
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125 iItemList->Reset(); |
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126 |
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127 TUDictElement entry; |
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128 TInt i(0); |
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129 // Copies the User dictionary entries to iItemList. |
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130 while (iPtiEngine->GetUserDictionaryEntry(i, entry) == KErrNone) |
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131 { |
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132 iItemList->AppendL(entry); |
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133 i++; |
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134 } |
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135 |
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136 // Sorts the word list by Unicode collation algorithm. |
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137 TWordListKey key; |
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138 iItemList->Sort(key); |
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139 |
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140 SetChangeNotice(EFalse); |
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141 } |
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142 |
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143 // ----------------------------------------------------------------------------- |
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144 // CUserDictModel::CUserDictModel |
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145 // C++ default constructor can NOT contain any code, that |
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146 // might leave. |
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147 // ----------------------------------------------------------------------------- |
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148 // |
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149 CUserDictModel::CUserDictModel() |
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150 { |
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151 } |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // CUserDictModel::ConstructL |
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155 // Symbian 2nd phase constructor can leave. |
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156 // ----------------------------------------------------------------------------- |
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157 // |
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158 void CUserDictModel::ConstructL() |
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159 { |
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160 iPtiEngine = CPtiEngine::NewL(ETrue); |
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161 User::LeaveIfError( |
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162 iPtiEngine->ActivateLanguageL(ELangJapanese, EPtiEngineHiraganaKanji)); |
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163 iDictionary = |
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164 iPtiEngine->DefaultUserDictionary(EPtiEngineHiraganaKanji); |
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165 User::LeaveIfNull(iDictionary); |
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166 |
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167 iItemList = new (ELeave) CUserDictList(KItemListGranularity); |
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168 } |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CUserDictModel::TWordListKey::TWordListKey |
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172 // ----------------------------------------------------------------------------- |
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173 // |
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174 CUserDictModel::TWordListKey::TWordListKey() |
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175 :TKeyArrayFix(0, ECmpCollated) |
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176 { |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CUserDictModel::TWordListKey::Compare |
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181 // ----------------------------------------------------------------------------- |
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182 // |
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183 TInt CUserDictModel::TWordListKey::Compare(TInt aLeft,TInt aRight) const |
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184 { |
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185 TUDictElement* left = static_cast<TUDictElement*>(At(aLeft)); |
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186 TUDictElement* right = static_cast<TUDictElement*>(At(aRight)); |
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187 |
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188 TInt res(left->Reading().CompareC(right->Reading())); |
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189 if (res == 0) |
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190 { |
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191 res = left->Word().CompareC(right->Word()); |
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192 } |
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193 return res; |
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194 } |
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195 |
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196 // ----------------------------------------------------------------------------- |
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197 // CUserDictModel::MdcaCount |
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198 // ----------------------------------------------------------------------------- |
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199 // |
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200 TInt CUserDictModel::MdcaCount() const |
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201 { |
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202 return iItemList->Count(); |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // CUserDictModel::MdcaPoint |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 TPtrC16 CUserDictModel::MdcaPoint(TInt aIndex) const |
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210 { |
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211 TPtrC16 ptr(iItemList->At(aIndex).ListItemText()); |
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212 return ptr; |
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213 } |
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214 |
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215 // End of File |