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1 /* |
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2 * Copyright (c) 2002-2005 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: Class for handling searching for landmark categories with a certain name. |
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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 #include <EPos_CPosLmCatNameCriteria.h> |
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21 #include <epos_landmarkdatabasestructure.h> |
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22 #include <epos_poslmdatabaseutility.h> |
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23 #include "EPos_CPosLmLocalCatNameSearch.h" |
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24 |
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25 _LIT(KPosLmSqlSelectStringLike, "SELECT %S FROM %S WHERE %S LIKE '%S'"); |
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26 |
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27 // ============================ MEMBER FUNCTIONS =============================== |
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28 |
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29 // ----------------------------------------------------------------------------- |
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30 // ----------------------------------------------------------------------------- |
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31 // |
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32 CPosLmLocalCatNameSearch::CPosLmLocalCatNameSearch( |
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33 CPosLmLocalDatabase& aDatabase, |
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34 const CPosLmSearchCriteria& aCriteria, |
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35 const TPosLmLocalSortPref& aSortPref, |
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36 TInt aMaxNumOfMatches) |
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37 : CPosLmLocalSearchHandler( |
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38 aDatabase, aCriteria.CriteriaType(), aSortPref, aMaxNumOfMatches), |
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39 iSearchStatus(EPosSearchNotStarted) |
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40 { |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // ----------------------------------------------------------------------------- |
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45 // |
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46 void CPosLmLocalCatNameSearch::ConstructL( |
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47 const CPosLmSearchCriteria& aCriteria, |
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48 CPosLmDisplayData* aDisplayData) |
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49 { |
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50 const CPosLmCatNameCriteria& criteria = |
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51 static_cast<const CPosLmCatNameCriteria&>(aCriteria); |
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52 |
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53 ValidateCriteriaL(criteria); |
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54 |
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55 iCriteria = CPosLmCatNameCriteria::NewLC(); |
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56 CleanupStack::Pop(iCriteria); |
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57 |
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58 HBufC* embeddedText = PosLmDatabaseUtility::EmbedSingleQuoteCharactersLC( |
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59 criteria.SearchPattern()); |
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60 iCriteria->SetSearchPatternL(*embeddedText); |
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61 CleanupStack::PopAndDestroy(embeddedText); |
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62 |
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63 if (aDisplayData) |
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64 { |
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65 SetDisplayDataL(aDisplayData); |
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66 } |
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67 } |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 CPosLmLocalCatNameSearch* CPosLmLocalCatNameSearch::NewL( |
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73 CPosLmLocalDatabase& aDatabase, |
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74 const CPosLmSearchCriteria& aCriteria, |
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75 const TPosLmLocalSortPref& aSortPref, |
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76 CPosLmDisplayData* aDisplayData, |
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77 TInt aMaxNumOfMatches) |
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78 { |
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79 CPosLmLocalCatNameSearch* self = new (ELeave) CPosLmLocalCatNameSearch( |
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80 aDatabase, aCriteria, aSortPref, aMaxNumOfMatches); |
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81 CleanupStack::PushL(self); |
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82 self->ConstructL(aCriteria, aDisplayData); |
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83 CleanupStack::Pop(self); |
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84 |
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85 return self; |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // ----------------------------------------------------------------------------- |
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90 // |
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91 CPosLmLocalCatNameSearch::~CPosLmLocalCatNameSearch() |
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92 { |
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93 delete iCriteria; |
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94 } |
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95 |
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96 // ----------------------------------------------------------------------------- |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 void CPosLmLocalCatNameSearch::ValidateCriteriaL( |
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100 const CPosLmCatNameCriteria& aCriteria) |
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101 { |
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102 if (aCriteria.SearchPattern().Length() == 0) |
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103 { |
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104 User::Leave(KErrArgument); |
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105 } |
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106 } |
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107 |
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108 // ----------------------------------------------------------------------------- |
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109 // ----------------------------------------------------------------------------- |
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110 // |
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111 TBool CPosLmLocalCatNameSearch::IsValidForCategorySearch() const |
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112 { |
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113 return ETrue; |
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114 } |
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115 |
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116 // ----------------------------------------------------------------------------- |
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117 // ----------------------------------------------------------------------------- |
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118 // |
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119 TInt CPosLmLocalCatNameSearch::NextStepL( |
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120 TReal32& aProgress) |
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121 { |
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122 if (iSearchStatus == EPosSearchNotStarted) |
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123 { |
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124 PrepareSearchL(); |
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125 } |
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126 |
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127 if (iSearchStatus == EPosCatNameSearch) |
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128 { |
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129 SearchL(); |
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130 } |
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131 |
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132 return SearchStepCompletedL( |
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133 iSearchStatus == EPosSearchCompleted, aProgress); |
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134 } |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // ----------------------------------------------------------------------------- |
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138 // |
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139 void CPosLmLocalCatNameSearch::PrepareSearchL() |
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140 { |
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141 TInt numRowsInTable = GetRowCountL( KPosLmCategoryTable ); |
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142 |
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143 if ( numRowsInTable == 0 ) |
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144 { |
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145 iSearchStatus = EPosSearchCompleted; |
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146 } |
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147 else |
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148 { |
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149 iSearchStatus = EPosCatNameSearch; |
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150 PrepareCalculateProgress( numRowsInTable ); |
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151 PrepareQueryL(); |
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152 } |
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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 // |
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158 void CPosLmLocalCatNameSearch::PrepareQueryL() |
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159 { |
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160 HBufC* query = HBufC::NewLC( KPosLmSqlStatementMaxLen ); |
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161 |
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162 TPtrC searchPattern = iCriteria->SearchPattern(); |
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163 if ( HasDisplayData() ) |
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164 { |
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165 // request all fields |
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166 query->Des().Format( |
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167 KPosLmSqlSelectStringLike, |
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168 &KPosLmSqlAll, |
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169 &KPosLmCategoryTable, |
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170 &KPosLmCategoryNameCol, |
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171 &searchPattern ); |
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172 } |
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173 else |
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174 { |
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175 // request only ID column |
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176 query->Des().Format( |
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177 KPosLmSqlSelectStringLike, |
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178 &KPosLmCategoryIdCol, |
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179 &KPosLmCategoryTable, |
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180 &KPosLmCategoryNameCol, |
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181 &searchPattern ); |
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182 } |
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183 |
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184 if ( !HasDisplayData() && SortPref().SortType() == |
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185 TPosLmLocalSortPref::ECategorySorting ) |
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186 { |
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187 AppendSortToQueryL( query ); |
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188 } |
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189 |
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190 PrepareViewL( iView, *query ); |
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191 CleanupStack::PopAndDestroy( query ); |
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192 } |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // ----------------------------------------------------------------------------- |
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196 // |
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197 void CPosLmLocalCatNameSearch::SearchL() |
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198 { |
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199 if ( SearchViewL( iView, 1 ) || IsMaxMatchesFound() ) |
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200 { |
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201 iView.Close(); |
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202 iSearchStatus = EPosSearchCompleted; |
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203 } |
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204 } |
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205 |