1 | /* |
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2 | |
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3 | Copyright 2014 S. Razi Alavizadeh |
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4 | Copyright 2012-2015 Adam Reichold |
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5 | Copyright 2012 Michał Trybus |
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6 | |
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7 | This file is part of qpdfview. |
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8 | |
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9 | qpdfview is free software: you can redistribute it and/or modify |
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10 | it under the terms of the GNU General Public License as published by |
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11 | the Free Software Foundation, either version 2 of the License, or |
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12 | (at your option) any later version. |
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13 | |
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14 | qpdfview is distributed in the hope that it will be useful, |
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15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | GNU General Public License for more details. |
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18 | |
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19 | You should have received a copy of the GNU General Public License |
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20 | along with qpdfview. If not, see <http://www.gnu.org/licenses/>. |
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21 | |
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22 | */ |
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23 | |
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24 | #include "database.h" |
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25 | |
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26 | #include <QApplication> |
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27 | #include <QCryptographicHash> |
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28 | #include <QDateTime> |
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29 | #include <QDebug> |
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30 | #include <QDir> |
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31 | |
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32 | #if QT_VERSION >= QT_VERSION_CHECK(5,0,0) |
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33 | |
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34 | #include <QStandardPaths> |
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35 | |
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36 | #else |
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37 | |
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38 | #include <QDesktopServices> |
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39 | |
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40 | #endif // QT_VERSION |
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41 | |
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42 | #ifdef WITH_SQL |
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43 | |
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44 | #include <QSqlError> |
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45 | #include <QSqlQuery> |
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46 | |
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47 | #endif // WITH_SQL |
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48 | |
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49 | #include "settings.h" |
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50 | #include "documentview.h" |
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51 | #include "bookmarkmodel.h" |
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52 | |
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53 | #ifdef WITH_SQL |
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54 | |
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55 | namespace |
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56 | { |
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57 | |
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58 | using namespace qpdfview; |
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59 | |
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60 | class Transaction |
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61 | { |
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62 | public: |
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63 | Transaction(QSqlDatabase& database) : |
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64 | m_database(database), |
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65 | m_committed(false) |
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66 | { |
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67 | if(s_current != 0) |
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68 | { |
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69 | return; |
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70 | } |
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71 | |
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72 | if(!m_database.transaction()) |
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73 | { |
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74 | throw m_database.lastError(); |
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75 | } |
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76 | |
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77 | s_current = this; |
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78 | } |
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79 | |
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80 | ~Transaction() throw() |
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81 | { |
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82 | if(s_current != this) |
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83 | { |
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84 | return; |
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85 | } |
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86 | |
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87 | if(!m_committed) |
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88 | { |
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89 | m_database.rollback(); |
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90 | } |
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91 | |
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92 | s_current = 0; |
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93 | } |
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94 | |
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95 | void commit() |
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96 | { |
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97 | if(s_current != this) |
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98 | { |
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99 | return; |
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100 | } |
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101 | |
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102 | if(!m_database.commit()) |
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103 | { |
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104 | throw m_database.lastError(); |
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105 | } |
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106 | |
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107 | m_committed = true; |
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108 | } |
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109 | |
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110 | private: |
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111 | Q_DISABLE_COPY(Transaction) |
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112 | |
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113 | QSqlDatabase& m_database; |
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114 | bool m_committed; |
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115 | |
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116 | static Transaction* s_current; |
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117 | |
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118 | }; |
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119 | |
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120 | Transaction* Transaction::s_current = 0; |
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121 | |
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122 | class Query |
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123 | { |
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124 | private: |
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125 | template< typename T > |
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126 | class BindValue |
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127 | { |
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128 | private: |
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129 | friend class Query; |
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130 | |
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131 | explicit BindValue(const T& value) : m_value(value) {} |
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132 | |
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133 | public: |
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134 | inline operator QVariant() const |
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135 | { |
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136 | return Conversion< T >::convert(m_value); |
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137 | } |
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138 | |
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139 | private: |
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140 | const T& m_value; |
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141 | |
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142 | template< typename S, bool Defined = QMetaTypeId2< S >::Defined > |
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143 | struct Conversion |
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144 | { |
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145 | static inline QVariant convert(const S& value) |
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146 | { |
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147 | return QVariant(value); |
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148 | } |
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149 | }; |
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150 | |
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151 | template< typename S > |
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152 | struct Conversion< S, false > |
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153 | { |
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154 | static inline QVariant convert(const S& value) |
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155 | { |
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156 | return QVariant(static_cast< uint >(value)); |
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157 | } |
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158 | }; |
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159 | |
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160 | }; |
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161 | |
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162 | public: |
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163 | class Value |
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164 | { |
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165 | private: |
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166 | friend class Query; |
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167 | |
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168 | explicit Value(const QVariant& value) : m_value(value) {} |
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169 | |
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170 | public: |
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171 | template< typename T > |
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172 | inline operator T() const |
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173 | { |
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174 | return Conversion< T >::convert(m_value); |
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175 | } |
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176 | |
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177 | private: |
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178 | const QVariant m_value; |
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179 | |
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180 | template< typename T, bool Defined = QMetaTypeId2< T >::Defined > |
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181 | struct Conversion |
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182 | { |
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183 | static inline T convert(const QVariant& value) |
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184 | { |
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185 | return value.value< T >(); |
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186 | } |
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187 | }; |
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188 | |
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189 | template< typename T > |
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190 | struct Conversion< T, false > |
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191 | { |
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192 | static inline T convert(const QVariant& value) |
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193 | { |
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194 | return static_cast< T >(value.value< uint >()); |
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195 | } |
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196 | }; |
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197 | |
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198 | }; |
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199 | |
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200 | public: |
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201 | Query(QSqlDatabase& database) : |
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202 | m_query(database), |
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203 | m_bindValueIndex(0), |
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204 | m_valueIndex(0) |
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205 | { |
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206 | } |
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207 | |
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208 | void prepare(const QString& query) |
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209 | { |
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210 | if(!m_query.prepare(query)) |
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211 | { |
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212 | throw m_query.lastError(); |
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213 | } |
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214 | |
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215 | m_bindValueIndex = 0; |
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216 | } |
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217 | |
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218 | void exec() |
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219 | { |
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220 | if(!m_query.exec()) |
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221 | { |
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222 | throw m_query.lastError(); |
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223 | } |
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224 | |
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225 | m_bindValueIndex = 0; |
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226 | } |
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227 | |
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228 | void exec(const QString& query) |
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229 | { |
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230 | if(!m_query.exec(query)) |
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231 | { |
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232 | throw m_query.lastError(); |
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233 | } |
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234 | |
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235 | m_bindValueIndex = 0; |
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236 | } |
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237 | |
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238 | Query& operator <<(const QVariant& value) |
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239 | { |
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240 | m_query.bindValue(m_bindValueIndex++, value); |
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241 | |
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242 | return *this; |
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243 | } |
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244 | |
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245 | template< typename T > |
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246 | Query& operator <<(const T& value) |
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247 | { |
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248 | m_query.bindValue(m_bindValueIndex++, BindValue< T >(value)); |
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249 | |
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250 | return *this; |
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251 | } |
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252 | |
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253 | bool nextRecord() |
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254 | { |
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255 | if(!m_query.isActive()) |
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256 | { |
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257 | throw m_query.lastError(); |
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258 | } |
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259 | |
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260 | m_valueIndex = 0; |
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261 | |
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262 | return m_query.next(); |
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263 | } |
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264 | |
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265 | Value nextValue() |
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266 | { |
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267 | return Value(m_query.value(m_valueIndex++)); |
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268 | } |
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269 | |
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270 | private: |
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271 | Q_DISABLE_COPY(Query) |
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272 | |
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273 | QSqlQuery m_query; |
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274 | int m_bindValueIndex; |
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275 | int m_valueIndex; |
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276 | |
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277 | }; |
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278 | |
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279 | inline QByteArray hashFilePath(const QString& filePath) |
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280 | { |
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281 | return QCryptographicHash::hash(filePath.toUtf8(), QCryptographicHash::Sha1).toBase64(); |
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282 | } |
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283 | |
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284 | } // anonymous |
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285 | |
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286 | #endif // WITH_SQL |
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287 | |
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288 | namespace qpdfview |
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289 | { |
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290 | |
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291 | Database* Database::s_instance = 0; |
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292 | |
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293 | Database* Database::instance() |
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294 | { |
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295 | if(s_instance == 0) |
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296 | { |
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297 | s_instance = new Database(qApp); |
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298 | } |
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299 | |
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300 | return s_instance; |
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301 | } |
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302 | |
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303 | Database::~Database() |
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304 | { |
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305 | s_instance = 0; |
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306 | } |
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307 | |
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308 | QStringList Database::loadInstanceNames() |
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309 | { |
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310 | QStringList instanceNames; |
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311 | |
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312 | #ifdef WITH_SQL |
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313 | |
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314 | try |
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315 | { |
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316 | Transaction transaction(m_database); |
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317 | Query query(m_database); |
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318 | |
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319 | query.exec("SELECT DISTINCT(instanceName) FROM tabs_v2"); |
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320 | |
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321 | while(query.nextRecord()) |
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322 | { |
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323 | const QString instanceName = query.nextValue(); |
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324 | |
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325 | if(!instanceName.isEmpty()) |
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326 | { |
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327 | instanceNames.append(instanceName); |
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328 | } |
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329 | } |
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330 | |
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331 | transaction.commit(); |
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332 | } |
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333 | catch(QSqlError& error) |
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334 | { |
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335 | qDebug() << error; |
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336 | } |
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337 | |
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338 | #endif // WITH_SQL |
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339 | |
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340 | return instanceNames; |
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341 | } |
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342 | |
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343 | void Database::restoreTabs(const RestoreTab& restoreTab) |
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344 | { |
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345 | #ifdef WITH_SQL |
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346 | |
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347 | try |
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348 | { |
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349 | Transaction transaction(m_database); |
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350 | Query query(m_database); |
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351 | |
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352 | query.prepare("SELECT filePath,currentPage,continuousMode,layoutMode,rightToLeftMode,scaleMode,scaleFactor,rotation,renderFlags,firstPage" |
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353 | " FROM tabs_v4 WHERE instanceName==?"); |
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354 | |
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355 | query << instanceName(); |
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356 | |
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357 | query.exec(); |
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358 | |
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359 | while(query.nextRecord()) |
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360 | { |
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361 | if(DocumentView* newTab = restoreTab(query.nextValue())) |
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362 | { |
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363 | const int page = query.nextValue(); |
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364 | |
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365 | newTab->setContinuousMode(query.nextValue()); |
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366 | newTab->setLayoutMode(query.nextValue()); |
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367 | newTab->setRightToLeftMode(query.nextValue()); |
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368 | |
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369 | newTab->setScaleMode(query.nextValue()); |
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370 | newTab->setScaleFactor(query.nextValue()); |
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371 | |
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372 | newTab->setRotation(query.nextValue()); |
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373 | newTab->setRenderFlags(query.nextValue()); |
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374 | |
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375 | newTab->setFirstPage(query.nextValue()); |
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376 | |
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377 | newTab->jumpToPage(page, false); |
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378 | } |
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379 | } |
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380 | |
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381 | transaction.commit(); |
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382 | } |
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383 | catch(QSqlError& error) |
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384 | { |
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385 | qDebug() << error; |
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386 | } |
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387 | |
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388 | #else |
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389 | |
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390 | Q_UNUSED(restoreTab); |
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391 | |
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392 | #endif // WITH_SQL |
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393 | } |
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394 | |
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395 | void Database::saveTabs(const QList< DocumentView* >& tabs) |
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396 | { |
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397 | #ifdef WITH_SQL |
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398 | |
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399 | try |
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400 | { |
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401 | Transaction transaction(m_database); |
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402 | Query query(m_database); |
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403 | |
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404 | query.prepare("DELETE FROM tabs_v4 WHERE instanceName==?"); |
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405 | |
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406 | query << instanceName(); |
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407 | |
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408 | query.exec(); |
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409 | |
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410 | query.prepare("INSERT INTO tabs_v4" |
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411 | " (filePath,instanceName,currentPage,continuousMode,layoutMode,rightToLeftMode,scaleMode,scaleFactor,rotation,renderFlags,firstPage)" |
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412 | " VALUES (?,?,?,?,?,?,?,?,?,?,?)"); |
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413 | |
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414 | foreach(const DocumentView* tab, tabs) |
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415 | { |
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416 | query << tab->fileInfo().absoluteFilePath() |
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417 | << instanceName() |
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418 | << tab->currentPage() |
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419 | |
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420 | << tab->continuousMode() |
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421 | << tab->layoutMode() |
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422 | << tab->rightToLeftMode() |
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423 | |
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424 | << tab->scaleMode() |
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425 | << tab->scaleFactor() |
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426 | |
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427 | << tab->rotation() |
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428 | << tab->renderFlags() |
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429 | |
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430 | << tab->firstPage(); |
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431 | |
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432 | query.exec(); |
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433 | } |
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434 | |
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435 | transaction.commit(); |
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436 | } |
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437 | catch(QSqlError& error) |
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438 | { |
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439 | qDebug() << error; |
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440 | } |
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441 | |
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442 | #else |
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443 | |
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444 | Q_UNUSED(tabs); |
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445 | |
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446 | #endif // WITH_SQL |
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447 | } |
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448 | |
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449 | void Database::clearTabs() |
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450 | { |
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451 | #ifdef WITH_SQL |
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452 | |
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453 | try |
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454 | { |
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455 | Transaction transaction(m_database); |
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456 | Query query(m_database); |
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457 | |
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458 | query.exec("DELETE FROM tabs_v4"); |
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459 | |
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460 | transaction.commit(); |
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461 | } |
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462 | catch(QSqlError& error) |
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463 | { |
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464 | qDebug() << error; |
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465 | } |
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466 | |
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467 | #endif // WITH_SQL |
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468 | } |
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469 | |
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470 | void Database::restoreBookmarks() |
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471 | { |
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472 | #ifdef WITH_SQL |
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473 | |
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474 | try |
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475 | { |
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476 | Transaction transaction(m_database); |
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477 | Query outerQuery(m_database); |
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478 | Query innerQuery(m_database); |
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479 | |
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480 | outerQuery.exec("SELECT DISTINCT(filePath) FROM bookmarks_v3"); |
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481 | |
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482 | innerQuery.prepare("SELECT page,label,comment,modified" |
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483 | " FROM bookmarks_v3 WHERE filePath==?"); |
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484 | |
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485 | while(outerQuery.nextRecord()) |
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486 | { |
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487 | const QString filePath = outerQuery.nextValue(); |
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488 | |
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489 | innerQuery << filePath; |
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490 | |
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491 | innerQuery.exec(); |
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492 | |
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493 | BookmarkModel* model = BookmarkModel::fromPath(filePath, true); |
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494 | |
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495 | while(innerQuery.nextRecord()) |
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496 | { |
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497 | const int page = innerQuery.nextValue(); |
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498 | const QString label = innerQuery.nextValue(); |
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499 | const QString comment = innerQuery.nextValue(); |
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500 | const QDateTime modified = innerQuery.nextValue(); |
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501 | |
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502 | model->addBookmark(BookmarkItem(page, label, comment, modified)); |
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503 | } |
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504 | } |
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505 | |
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506 | transaction.commit(); |
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507 | } |
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508 | catch(QSqlError& error) |
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509 | { |
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510 | qDebug() << error; |
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511 | } |
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512 | |
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513 | #endif // WITH_SQL |
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514 | } |
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515 | |
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516 | void Database::saveBookmarks() |
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517 | { |
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518 | #ifdef WITH_SQL |
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519 | |
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520 | try |
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521 | { |
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522 | Transaction transaction(m_database); |
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523 | Query query(m_database); |
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524 | |
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525 | query.exec("DELETE FROM bookmarks_v3"); |
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526 | |
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527 | if(Settings::instance()->mainWindow().restoreBookmarks()) |
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528 | { |
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529 | query.prepare("INSERT INTO bookmarks_v3" |
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530 | " (filePath,page,label,comment,modified)" |
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531 | " VALUES (?,?,?,?,?)"); |
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532 | |
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533 | foreach(const QString& filePath, BookmarkModel::knownPaths()) |
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534 | { |
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535 | const BookmarkModel* model = BookmarkModel::fromPath(filePath); |
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536 | |
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537 | for(int row = 0, rowCount = model->rowCount(); row < rowCount; ++row) |
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538 | { |
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539 | const QModelIndex index = model->index(row); |
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540 | |
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541 | query << filePath |
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542 | |
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543 | << index.data(BookmarkModel::PageRole) |
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544 | << index.data(BookmarkModel::LabelRole) |
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545 | << index.data(BookmarkModel::CommentRole) |
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546 | << index.data(BookmarkModel::ModifiedRole); |
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547 | |
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548 | query.exec(); |
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549 | } |
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550 | } |
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551 | } |
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552 | |
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553 | transaction.commit(); |
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554 | } |
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555 | catch(QSqlError& error) |
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556 | { |
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557 | qDebug() << error; |
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558 | } |
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559 | |
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560 | #endif // WITH_SQL |
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561 | } |
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562 | |
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563 | void Database::clearBookmarks() |
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564 | { |
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565 | #ifdef WITH_SQL |
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566 | |
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567 | try |
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568 | { |
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569 | Transaction transaction(m_database); |
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570 | Query query(m_database); |
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571 | |
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572 | query.exec("DELETE FROM bookmarks_v3"); |
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573 | |
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574 | transaction.commit(); |
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575 | } |
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576 | catch(QSqlError& error) |
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577 | { |
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578 | qDebug() << error; |
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579 | } |
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580 | |
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581 | #endif // WITH_SQL |
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582 | } |
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583 | |
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584 | void Database::restorePerFileSettings(DocumentView* tab) |
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585 | { |
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586 | #ifdef WITH_SQL |
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587 | |
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588 | if(!Settings::instance()->mainWindow().restorePerFileSettings()) |
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589 | { |
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590 | return; |
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591 | } |
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592 | |
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593 | try |
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594 | { |
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595 | Transaction transaction(m_database); |
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596 | Query query(m_database); |
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597 | |
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598 | query.prepare("SELECT currentPage,continuousMode,layoutMode,rightToLeftMode,scaleMode,scaleFactor,rotation,renderFlags,firstPage" |
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599 | " FROM perfilesettings_v4 WHERE filePath==?"); |
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600 | |
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601 | query << hashFilePath(tab->fileInfo().absoluteFilePath()); |
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602 | |
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603 | query.exec(); |
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604 | |
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605 | if(query.nextRecord()) |
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606 | { |
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607 | const int page = query.nextValue(); |
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608 | |
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609 | tab->setContinuousMode(query.nextValue()); |
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610 | tab->setLayoutMode(query.nextValue()); |
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611 | tab->setRightToLeftMode(query.nextValue()); |
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612 | |
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613 | tab->setScaleMode(query.nextValue()); |
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614 | tab->setScaleFactor(query.nextValue()); |
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615 | |
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616 | tab->setRotation(query.nextValue()); |
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617 | |
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618 | tab->setRenderFlags(query.nextValue()); |
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619 | |
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620 | tab->setFirstPage(query.nextValue()); |
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621 | |
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622 | tab->jumpToPage(page, false); |
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623 | } |
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624 | |
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625 | transaction.commit(); |
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626 | } |
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627 | catch(QSqlError& error) |
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628 | { |
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629 | qDebug() << error; |
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630 | } |
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631 | |
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632 | #else |
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633 | |
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634 | Q_UNUSED(tab); |
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635 | |
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636 | #endif // WITH_SQL |
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637 | } |
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638 | |
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639 | void Database::savePerFileSettings(const DocumentView* tab) |
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640 | { |
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641 | #ifdef WITH_SQL |
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642 | |
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643 | if(!Settings::instance()->mainWindow().restorePerFileSettings()) |
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644 | { |
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645 | return; |
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646 | } |
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647 | |
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648 | try |
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649 | { |
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650 | Transaction transaction(m_database); |
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651 | Query query(m_database); |
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652 | |
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653 | query.prepare("INSERT OR REPLACE INTO perfilesettings_v4" |
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654 | " (lastUsed,filePath,currentPage,continuousMode,layoutMode,rightToLeftMode,scaleMode,scaleFactor,rotation,renderFlags,firstPage)" |
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655 | " VALUES (strftime('%s','now'),?,?,?,?,?,?,?,?,?,?)"); |
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656 | |
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657 | query << hashFilePath(tab->fileInfo().absoluteFilePath()) |
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658 | << tab->currentPage() |
---|
659 | |
---|
660 | << tab->continuousMode() |
---|
661 | << tab->layoutMode() |
---|
662 | << tab->rightToLeftMode() |
---|
663 | |
---|
664 | << tab->scaleMode() |
---|
665 | << tab->scaleFactor() |
---|
666 | |
---|
667 | << tab->rotation() |
---|
668 | << tab->renderFlags() |
---|
669 | |
---|
670 | << tab->firstPage(); |
---|
671 | |
---|
672 | query.exec(); |
---|
673 | |
---|
674 | transaction.commit(); |
---|
675 | } |
---|
676 | catch(QSqlError& error) |
---|
677 | { |
---|
678 | qDebug() << error; |
---|
679 | } |
---|
680 | |
---|
681 | #else |
---|
682 | |
---|
683 | Q_UNUSED(tab); |
---|
684 | |
---|
685 | #endif // WITH_SQL |
---|
686 | } |
---|
687 | |
---|
688 | Database::Database(QObject* parent) : QObject(parent) |
---|
689 | { |
---|
690 | #ifdef WITH_SQL |
---|
691 | |
---|
692 | #if QT_VERSION >= QT_VERSION_CHECK(5,0,0) |
---|
693 | |
---|
694 | const QString path = QStandardPaths::writableLocation(QStandardPaths::DataLocation); |
---|
695 | |
---|
696 | #else |
---|
697 | |
---|
698 | const QString path = QDesktopServices::storageLocation(QDesktopServices::DataLocation); |
---|
699 | |
---|
700 | #endif // QT_VERSION |
---|
701 | |
---|
702 | QDir().mkpath(path); |
---|
703 | |
---|
704 | m_database = QSqlDatabase::addDatabase("QSQLITE"); |
---|
705 | m_database.setDatabaseName(QDir(path).filePath("database")); |
---|
706 | |
---|
707 | if(!m_database.open()) |
---|
708 | { |
---|
709 | qDebug() << m_database.lastError(); |
---|
710 | return; |
---|
711 | } |
---|
712 | |
---|
713 | try |
---|
714 | { |
---|
715 | Query query(m_database); |
---|
716 | |
---|
717 | query.exec("PRAGMA synchronous = OFF"); |
---|
718 | query.exec("PRAGMA journal_mode = MEMORY"); |
---|
719 | } |
---|
720 | catch(QSqlError& error) |
---|
721 | { |
---|
722 | qDebug() << error; |
---|
723 | } |
---|
724 | |
---|
725 | const QStringList tables = m_database.tables(); |
---|
726 | |
---|
727 | // tabs |
---|
728 | |
---|
729 | if(!tables.contains("tabs_v4")) |
---|
730 | { |
---|
731 | if(prepareTabs_v4()) |
---|
732 | { |
---|
733 | if(tables.contains("tabs_v3")) |
---|
734 | { |
---|
735 | migrateTabs_v3_v4(); |
---|
736 | } |
---|
737 | else if(tables.contains("tabs_v2")) |
---|
738 | { |
---|
739 | migrateTabs_v2_v4(); |
---|
740 | } |
---|
741 | else if(tables.contains("tabs_v1")) |
---|
742 | { |
---|
743 | migrateTabs_v1_v4(); |
---|
744 | } |
---|
745 | } |
---|
746 | } |
---|
747 | |
---|
748 | // bookmarks |
---|
749 | |
---|
750 | if(!tables.contains("bookmarks_v3")) |
---|
751 | { |
---|
752 | if(prepareBookmarks_v3()) |
---|
753 | { |
---|
754 | if(tables.contains("bookmarks_v2")) |
---|
755 | { |
---|
756 | migrateBookmarks_v2_v3(); |
---|
757 | } |
---|
758 | else if(tables.contains("bookmarks_v1")) |
---|
759 | { |
---|
760 | migrateBookmarks_v1_v3(); |
---|
761 | } |
---|
762 | } |
---|
763 | } |
---|
764 | |
---|
765 | // per-file settings |
---|
766 | |
---|
767 | if(!tables.contains("perfilesettings_v4")) |
---|
768 | { |
---|
769 | if(preparePerFileSettings_v4()) |
---|
770 | { |
---|
771 | if(tables.contains("perfilesettings_v3")) |
---|
772 | { |
---|
773 | migratePerFileSettings_v3_v4(); |
---|
774 | } |
---|
775 | else if(tables.contains("perfilesettings_v2")) |
---|
776 | { |
---|
777 | migratePerFileSettings_v2_v4(); |
---|
778 | } |
---|
779 | else if(tables.contains("perfilesettings_v1")) |
---|
780 | { |
---|
781 | migratePerFileSettings_v1_v4(); |
---|
782 | } |
---|
783 | } |
---|
784 | } |
---|
785 | |
---|
786 | limitPerFileSettings(); |
---|
787 | |
---|
788 | #endif // WITH_SQL |
---|
789 | } |
---|
790 | |
---|
791 | QString Database::instanceName() |
---|
792 | { |
---|
793 | return !qApp->objectName().isNull() ? qApp->objectName() : QString(""); |
---|
794 | } |
---|
795 | |
---|
796 | #ifdef WITH_SQL |
---|
797 | |
---|
798 | bool Database::prepareTabs_v4() |
---|
799 | { |
---|
800 | return prepareTable("CREATE TABLE tabs_v4 (" |
---|
801 | " filePath TEXT" |
---|
802 | " ,instanceName TEXT" |
---|
803 | " ,currentPage INTEGER" |
---|
804 | " ,continuousMode INTEGER" |
---|
805 | " ,layoutMode INTEGER" |
---|
806 | " ,rightToLeftMode INTEGER" |
---|
807 | " ,scaleMode INTEGER" |
---|
808 | " ,scaleFactor REAL" |
---|
809 | " ,rotation INTEGER" |
---|
810 | " ,renderFlags INTEGER" |
---|
811 | " ,firstPage INTEGER" |
---|
812 | " )"); |
---|
813 | } |
---|
814 | |
---|
815 | bool Database::prepareBookmarks_v3() |
---|
816 | { |
---|
817 | return prepareTable("CREATE TABLE bookmarks_v3 (" |
---|
818 | " filePath TEXT" |
---|
819 | " ,page INTEGER" |
---|
820 | " ,label TEXT" |
---|
821 | " ,comment TEXT" |
---|
822 | " ,modified DATETIME" |
---|
823 | " )"); |
---|
824 | } |
---|
825 | |
---|
826 | bool Database::preparePerFileSettings_v4() |
---|
827 | { |
---|
828 | return prepareTable("CREATE TABLE perfilesettings_v4 (" |
---|
829 | " lastUsed INTEGER" |
---|
830 | " ,filePath TEXT PRIMARY KEY" |
---|
831 | " ,currentPage INTEGER" |
---|
832 | " ,continuousMode INTEGER" |
---|
833 | " ,layoutMode INTEGER" |
---|
834 | " ,rightToLeftMode INTEGER" |
---|
835 | " ,scaleMode INTEGER" |
---|
836 | " ,scaleFactor REAL" |
---|
837 | " ,rotation INTEGER" |
---|
838 | " ,renderFlags INTEGER" |
---|
839 | " ,firstPage INTEGER" |
---|
840 | " )"); |
---|
841 | } |
---|
842 | |
---|
843 | void Database::migrateTabs_v3_v4() |
---|
844 | { |
---|
845 | migrateTable("INSERT INTO tabs_v4" |
---|
846 | " SELECT filePath,instanceName,currentPage,continuousMode,layoutMode,rightToLeftMode,scaleMode,scaleFactor,rotation,0,-1" |
---|
847 | " FROM tabs_v3", |
---|
848 | |
---|
849 | "DROP TABLE tabs_v3", |
---|
850 | |
---|
851 | "Migrated tabs from v3 to v4, dropping v3."); |
---|
852 | } |
---|
853 | |
---|
854 | void Database::migrateTabs_v2_v4() |
---|
855 | { |
---|
856 | migrateTable("INSERT INTO tabs_v4" |
---|
857 | " SELECT filePath,instanceName,currentPage,continuousMode,layoutMode,0,scaleMode,scaleFactor,rotation,0,-1" |
---|
858 | " FROM tabs_v2", |
---|
859 | |
---|
860 | "DROP TABLE tabs_v2" , |
---|
861 | |
---|
862 | "Migrated tabs from v2 to v4, dropping v2."); |
---|
863 | } |
---|
864 | |
---|
865 | void Database::migrateTabs_v1_v4() |
---|
866 | { |
---|
867 | migrateTable("INSERT INTO tabs_v4" |
---|
868 | " SELECT filePath,?,currentPage,continuousMode,layoutMode,0,scaleMode,scaleFactor,rotation,0,-1" |
---|
869 | " FROM tabs_v1", |
---|
870 | |
---|
871 | "DROP TABLE tabs_v1", |
---|
872 | |
---|
873 | "Migrated tabs from v1 to v4, dropping v1."); |
---|
874 | } |
---|
875 | |
---|
876 | void Database::migrateBookmarks_v2_v3() |
---|
877 | { |
---|
878 | migrateTable("INSERT INTO bookmarks_v3" |
---|
879 | " SELECT filePath,page,label,'',datetime('now')" |
---|
880 | " FROM bookmarks_v2", |
---|
881 | |
---|
882 | "DROP TABLE bookmarks_v2", |
---|
883 | |
---|
884 | "Migrated bookmarks from v2 to v3, dropping v2."); |
---|
885 | } |
---|
886 | |
---|
887 | void Database::migrateBookmarks_v1_v3() |
---|
888 | { |
---|
889 | try |
---|
890 | { |
---|
891 | Transaction transaction(m_database); |
---|
892 | Query outerQuery(m_database); |
---|
893 | Query innerQuery(m_database); |
---|
894 | |
---|
895 | outerQuery.exec("SELECT filePath,pages FROM bookmarks_v1"); |
---|
896 | |
---|
897 | innerQuery.prepare("INSERT INTO bookmarks_v3" |
---|
898 | " (filePath,page,label,comment,modified)" |
---|
899 | " VALUES (?,?,?,'',datetime('now'))"); |
---|
900 | |
---|
901 | while(outerQuery.nextRecord()) |
---|
902 | { |
---|
903 | const QString filePath = outerQuery.nextValue(); |
---|
904 | const QString pages = outerQuery.nextValue(); |
---|
905 | |
---|
906 | foreach(const QString& page, pages.split(",", QString::SkipEmptyParts)) |
---|
907 | { |
---|
908 | innerQuery << filePath |
---|
909 | << page |
---|
910 | << tr("Jump to page %1").arg(page); |
---|
911 | |
---|
912 | innerQuery.exec(); |
---|
913 | } |
---|
914 | } |
---|
915 | |
---|
916 | qWarning() << "Migrated bookmarks from v1 to v3, dropping v1."; |
---|
917 | |
---|
918 | outerQuery.exec("DROP TABLE bookmarks_v1"); |
---|
919 | |
---|
920 | transaction.commit(); |
---|
921 | } |
---|
922 | catch(QSqlError& error) |
---|
923 | { |
---|
924 | qDebug() << error; |
---|
925 | } |
---|
926 | } |
---|
927 | |
---|
928 | void Database::migratePerFileSettings_v3_v4() |
---|
929 | { |
---|
930 | migrateTable("INSERT INTO perfilesettings_v4" |
---|
931 | " SELECT lastUsed,filePath,currentPage,continuousMode,layoutMode,rightToLeftMode,scaleMode,scaleFactor,rotation,0,firstPage" |
---|
932 | " FROM perfilesettings_v3", |
---|
933 | |
---|
934 | "DROP TABLE perfilesettings_v3", |
---|
935 | |
---|
936 | "Migrated per-file settings from v3 to v4, dropping v3."); |
---|
937 | } |
---|
938 | |
---|
939 | void Database::migratePerFileSettings_v2_v4() |
---|
940 | { |
---|
941 | migrateTable("INSERT INTO perfilesettings_v4" |
---|
942 | " SELECT lastUsed,filePath,currentPage,continuousMode,layoutMode,rightToLeftMode,scaleMode,scaleFactor,rotation,0,-1" |
---|
943 | " FROM perfilesettings_v2", |
---|
944 | |
---|
945 | "DROP TABLE perfilesettings_v2", |
---|
946 | |
---|
947 | "Migrated per-file settings from v2 to v4, dropping v2."); |
---|
948 | } |
---|
949 | |
---|
950 | void Database::migratePerFileSettings_v1_v4() |
---|
951 | { |
---|
952 | migrateTable("INSERT INTO perfilesettings_v4" |
---|
953 | " SELECT lastUsed,filePath,currentPage,continuousMode,layoutMode,0,scaleMode,scaleFactor,rotation,0,-1" |
---|
954 | " FROM perfilesettings_v1", |
---|
955 | |
---|
956 | "DROP TABLE perfilesettings_v1", |
---|
957 | |
---|
958 | "Migrated per-file settings from v1 to v4, dropping v1."); |
---|
959 | } |
---|
960 | |
---|
961 | bool Database::prepareTable(const QString& prepare) |
---|
962 | { |
---|
963 | try |
---|
964 | { |
---|
965 | Transaction transaction(m_database); |
---|
966 | Query query(m_database); |
---|
967 | |
---|
968 | query.exec(prepare); |
---|
969 | |
---|
970 | transaction.commit(); |
---|
971 | return true; |
---|
972 | } |
---|
973 | catch(QSqlError& error) |
---|
974 | { |
---|
975 | qDebug() << error; |
---|
976 | return false; |
---|
977 | } |
---|
978 | } |
---|
979 | |
---|
980 | void Database::migrateTable(const QString& migrate, const QString& prune, const QString& warning) |
---|
981 | { |
---|
982 | try |
---|
983 | { |
---|
984 | Transaction transaction(m_database); |
---|
985 | Query query(m_database); |
---|
986 | |
---|
987 | query.exec(migrate); |
---|
988 | |
---|
989 | qWarning() << warning; |
---|
990 | |
---|
991 | query.exec(prune); |
---|
992 | |
---|
993 | transaction.commit(); |
---|
994 | } |
---|
995 | catch(QSqlError& error) |
---|
996 | { |
---|
997 | qDebug() << error; |
---|
998 | } |
---|
999 | } |
---|
1000 | |
---|
1001 | void Database::limitPerFileSettings() |
---|
1002 | { |
---|
1003 | try |
---|
1004 | { |
---|
1005 | Transaction transaction(m_database); |
---|
1006 | Query query(m_database); |
---|
1007 | |
---|
1008 | if(Settings::instance()->mainWindow().restorePerFileSettings()) |
---|
1009 | { |
---|
1010 | query.prepare("DELETE FROM perfilesettings_v4" |
---|
1011 | " WHERE filePath NOT IN (" |
---|
1012 | " SELECT filePath FROM perfilesettings_v4" |
---|
1013 | " ORDER BY lastUsed DESC LIMIT ?" |
---|
1014 | " )"); |
---|
1015 | |
---|
1016 | query << Settings::instance()->mainWindow().perFileSettingsLimit(); |
---|
1017 | |
---|
1018 | query.exec(); |
---|
1019 | } |
---|
1020 | else |
---|
1021 | { |
---|
1022 | query.exec("DELETE FROM perfilesettings_v4"); |
---|
1023 | } |
---|
1024 | |
---|
1025 | transaction.commit(); |
---|
1026 | } |
---|
1027 | catch(QSqlError& error) |
---|
1028 | { |
---|
1029 | qDebug() << error; |
---|
1030 | } |
---|
1031 | } |
---|
1032 | |
---|
1033 | #endif // WITH_SQL |
---|
1034 | |
---|
1035 | } // qpdfview |
---|