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annotate src/libqxt/qxtcsvmodel.cpp @ 6:031ce03cfdf2

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author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 25 Mar 2015 14:24:55 +0100
parents 7a2637c3eb83
children 73efe717b944
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2 /****************************************************************************
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3 ** Copyright (c) 2006 - 2011, the LibQxt project.
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4 ** See the Qxt AUTHORS file for a list of authors and copyright holders.
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5 ** All rights reserved.
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6 **
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7 ** Redistribution and use in source and binary forms, with or without
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8 ** modification, are permitted provided that the following conditions are met:
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9 ** * Redistributions of source code must retain the above copyright
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10 ** notice, this list of conditions and the following disclaimer.
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11 ** * Redistributions in binary form must reproduce the above copyright
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12 ** notice, this list of conditions and the following disclaimer in the
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13 ** documentation and/or other materials provided with the distribution.
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14 ** * Neither the name of the LibQxt project nor the
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15 ** names of its contributors may be used to endorse or promote products
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16 ** derived from this software without specific prior written permission.
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17 **
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18 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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19 ** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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20 ** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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21 ** DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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22 ** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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23 ** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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24 ** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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25 ** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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26 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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27 ** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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28 **
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29 ** <http://libqxt.org> <foundation@libqxt.org>
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30 *****************************************************************************/
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31
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32 /*!
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33 \class QxtCsvModel
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34 \inmodule QxtCore
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35 \brief The QxtCsvModel class provides a QAbstractTableModel for CSV Files
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36 */
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37
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38
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39
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40 #include "qxtcsvmodel.h"
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41 #include <QFile>
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42 #include <QTextStream>
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43 #include <QDebug>
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44
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45 class QxtCsvModelPrivate : public QxtPrivate<QxtCsvModel>
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46 {
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47 public:
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48 QxtCsvModelPrivate() : csvData(), header(), maxColumn(0), quoteMode(QxtCsvModel::DefaultQuoteMode)
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49 {}
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50 QXT_DECLARE_PUBLIC(QxtCsvModel)
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51
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52 QList<QStringList> csvData;
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53 QStringList header;
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54 int maxColumn;
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55 QxtCsvModel::QuoteMode quoteMode;
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56 };
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57
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58 /*!
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59 Creates an empty QxtCsvModel with parent \a parent.
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60 */
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61 QxtCsvModel::QxtCsvModel(QObject *parent) : QAbstractTableModel(parent)
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62 {
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63 QXT_INIT_PRIVATE(QxtCsvModel);
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64 }
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65
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66 /*!
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67 Creates a QxtCsvModel with the parent \a parent and content loaded from \a file.
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68
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69 See \a setSource for information on the \a withHeader and \a separator properties, or
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70 if you need control over the quoting method or codec used to parse the file.
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71
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72 \sa setSource
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73 */
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74 QxtCsvModel::QxtCsvModel(QIODevice *file, QObject *parent, bool withHeader, QChar separator) : QAbstractTableModel(parent)
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75 {
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76 QXT_INIT_PRIVATE(QxtCsvModel);
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77 setSource(file, withHeader, separator);
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78 }
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79
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80 /*!
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81 \overload
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82
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83 Creates a QxtCsvModel with the parent \a parent and content loaded from \a file.
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84
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85 See \a setSource for information on the \a withHeader and \a separator properties, or
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86 if you need control over the quoting method or codec used to parse the file.
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87
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88 \sa setSource
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89 */
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90 QxtCsvModel::QxtCsvModel(const QString filename, QObject *parent, bool withHeader, QChar separator) : QAbstractTableModel(parent)
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91 {
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92 QXT_INIT_PRIVATE(QxtCsvModel);
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93 QFile src(filename);
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94 setSource(&src, withHeader, separator);
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95 }
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96
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97 QxtCsvModel::~QxtCsvModel()
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98 {}
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99
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100 /*!
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101 \reimp
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102 */
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103 int QxtCsvModel::rowCount(const QModelIndex& parent) const
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104 {
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105 if (parent.row() != -1 && parent.column() != -1) return 0;
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106 return qxt_d().csvData.count();
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107 }
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108
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109 /*!
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110 \reimp
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111 */
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112 int QxtCsvModel::columnCount(const QModelIndex& parent) const
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113 {
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114 if (parent.row() != -1 && parent.column() != -1) return 0;
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115 return qxt_d().maxColumn;
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116 }
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117
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118 /*!
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119 \reimp
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120 */
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121 QVariant QxtCsvModel::data(const QModelIndex& index, int role) const
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122 {
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123 if(index.parent() != QModelIndex()) return QVariant();
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124 if(role == Qt::DisplayRole || role == Qt::EditRole || role == Qt::UserRole) {
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125 if(index.row() < 0 || index.column() < 0 || index.row() >= rowCount())
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126 return QVariant();
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127 const QStringList& row = qxt_d().csvData[index.row()];
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128 if(index.column() >= row.length())
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129 return QVariant();
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130 return row[index.column()];
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131 }
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132 return QVariant();
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133 }
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134
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135 /*!
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136 \reimp
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137 */
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138 QVariant QxtCsvModel::headerData(int section, Qt::Orientation orientation, int role) const
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139 {
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140 if(section < qxt_d().header.count() && orientation == Qt::Horizontal && (role == Qt::DisplayRole || role == Qt::EditRole || role == Qt::UserRole))
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141 return qxt_d().header[section];
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142 else
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143 return QAbstractTableModel::headerData(section, orientation, role);
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144 }
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145
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146 /*!
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147 \overload
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148
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149 Reads in a CSV file from the provided \a file using \a codec.
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150 */
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151 void QxtCsvModel::setSource(const QString filename, bool withHeader, QChar separator, QTextCodec* codec)
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152 {
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153 QFile src(filename);
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154 setSource(&src, withHeader, separator, codec);
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155 }
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156
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157 /*!
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158 Reads in a CSV file from the provided \a file using \a codec.
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159
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160 The value of \a separator will be used to delimit fields, subject to the specified \a quoteMode.
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161 If \a withHeader is set to true, the first line of the file will be used to populate the model's
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162 horizontal header.
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163
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164 \sa quoteMode
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165 */
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166 void QxtCsvModel::setSource(QIODevice *file, bool withHeader, QChar separator, QTextCodec* codec)
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167 {
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168 QxtCsvModelPrivate* d_ptr = &qxt_d();
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169 bool headerSet = !withHeader;
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170 if(!file->isOpen())
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171 file->open(QIODevice::ReadOnly);
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172 if(withHeader)
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173 d_ptr->maxColumn = 0;
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174 else
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175 d_ptr->maxColumn = d_ptr->header.size();
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176 d_ptr->csvData.clear();
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177 QStringList row;
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178 QString field;
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179 QChar quote;
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180 QChar ch, buffer(0);
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181 bool readCR = false;
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182 QTextStream stream(file);
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183 if(codec) {
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184 stream.setCodec(codec);
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185 } else {
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186 stream.setAutoDetectUnicode(true);
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187 }
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188 while(!stream.atEnd()) {
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189 if(buffer != QChar(0)) {
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190 ch = buffer;
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191 buffer = QChar(0);
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192 } else {
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193 stream >> ch;
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194 }
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195 if(ch == '\n' && readCR)
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196 continue;
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197 else if(ch == '\r')
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198 readCR = true;
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199 else
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200 readCR = false;
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201 if(ch != separator && (ch.category() == QChar::Separator_Line || ch.category() == QChar::Separator_Paragraph || ch.category() == QChar::Other_Control)) {
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202 row << field;
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203 field.clear();
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204 if(!row.isEmpty()) {
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205 if(!headerSet) {
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206 d_ptr->header = row;
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207 headerSet = true;
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208 } else {
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209 d_ptr->csvData.append(row);
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210 }
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211 if(row.length() > d_ptr->maxColumn) {
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212 d_ptr->maxColumn = row.length();
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213 }
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214 }
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215 row.clear();
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216 } else if((d_ptr->quoteMode & DoubleQuote && ch == '"') || (d_ptr->quoteMode & SingleQuote && ch == '\'')) {
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217 quote = ch;
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218 do {
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219 stream >> ch;
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220 if(ch == '\\' && d_ptr->quoteMode & BackslashEscape) {
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221 stream >> ch;
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222 } else if(ch == quote) {
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223 if(d_ptr->quoteMode & TwoQuoteEscape) {
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224 stream >> buffer;
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225 if(buffer == quote) {
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226 buffer = QChar(0);
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227 field.append(ch);
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228 continue;
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229 }
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230 }
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231 break;
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232 }
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233 field.append(ch);
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234 } while(!stream.atEnd());
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235 } else if(ch == separator) {
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236 row << field;
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237 field.clear();
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238 } else {
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239 field.append(ch);
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240 }
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241 }
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242 if(!field.isEmpty())
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243 row << field;
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244 if(!row.isEmpty()) {
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245 if(!headerSet)
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246 d_ptr->header = row;
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247 else
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248 d_ptr->csvData.append(row);
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249 }
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250 file->close();
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251 }
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252
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253 /*!
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254 Sets the horizontal headers of the model to the values provided in \a data.
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255 */
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256 void QxtCsvModel::setHeaderData(const QStringList& data)
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257 {
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258 qxt_d().header = data;
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259 emit headerDataChanged(Qt::Horizontal, 0, data.count());
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260 }
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261
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262 /*!
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263 \reimp
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264 */
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265 bool QxtCsvModel::setHeaderData(int section, Qt::Orientation orientation, const QVariant& value, int role)
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266 {
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267 if(orientation != Qt::Horizontal) return false; // We don't support the vertical header
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268 if(role != Qt::DisplayRole || role != Qt::EditRole) return false; // We don't support any other roles
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269 if(section < 0) return false; // Bogus input
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270 while(section > qxt_d().header.size()) {
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271 qxt_d().header << QString();
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272 }
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273 qxt_d().header[section] = value.toString();
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274 emit headerDataChanged(Qt::Horizontal, section, section);
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275 return true;
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276 }
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277
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278 /*!
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279 \reimp
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280 */
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281 bool QxtCsvModel::setData(const QModelIndex& index, const QVariant& data, int role)
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282 {
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283 if (index.parent() != QModelIndex()) return false;
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284
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diff changeset
285 if(role == Qt::DisplayRole || role == Qt::EditRole || role == Qt::UserRole) {
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parents:
diff changeset
286 if(index.row() >= rowCount() || index.column() >= columnCount() || index.row() < 0 || index.column() < 0) return false;
7a2637c3eb83 Add csv parser from libqxt
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parents:
diff changeset
287 QStringList& row = qxt_d().csvData[index.row()];
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
288 while(row.length() <= index.column())
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
289 row << QString();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
290 row[index.column()] = data.toString();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
291 emit dataChanged(index, index);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
292 return true;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
293 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
294 return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
295 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
296
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
297 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
298 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
299 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
300 bool QxtCsvModel::insertRow(int row, const QModelIndex& parent)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
301 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
302 return insertRows(row, 1, parent);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
303 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
304
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
305 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
306 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
307 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
308 bool QxtCsvModel::insertRows(int row, int count, const QModelIndex& parent)
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
309 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
310 if (parent != QModelIndex() || row < 0) return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
311 emit beginInsertRows(parent, row, row + count);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
312 QxtCsvModelPrivate& d_ptr = qxt_d();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
313 if(row >= rowCount()) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
314 for(int i = 0; i < count; i++) d_ptr.csvData << QStringList();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
315 } else {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
316 for(int i = 0; i < count; i++) d_ptr.csvData.insert(row, QStringList());
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
317 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
318 emit endInsertRows();
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
319 return true;
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
320 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
321
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
322 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
323 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
324 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
325 bool QxtCsvModel::removeRow(int row, const QModelIndex& parent)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
326 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
327 return removeRows(row, 1, parent);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
328 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
329
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
330 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
331 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
332 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
333 bool QxtCsvModel::removeRows(int row, int count, const QModelIndex& parent)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
334 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
335 if (parent != QModelIndex() || row < 0) return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
336 if (row >= rowCount()) return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
337 if (row + count >= rowCount()) count = rowCount() - row;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
338 emit beginRemoveRows(parent, row, row + count);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
339 QxtCsvModelPrivate& d_ptr = qxt_d();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
340 for (int i = 0;i < count;i++)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
341 d_ptr.csvData.removeAt(row);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
342 emit endRemoveRows();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
343 return true;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
344 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
345
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
346 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
347 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
348 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
349 bool QxtCsvModel::insertColumn(int col, const QModelIndex& parent)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
350 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
351 return insertColumns(col, 1, parent);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
352 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
353
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
354 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
355 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
356 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
357 bool QxtCsvModel::insertColumns(int col, int count, const QModelIndex& parent)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
358 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
359 if (parent != QModelIndex() || col < 0) return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
360 beginInsertColumns(parent, col, col + count - 1);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
361 QxtCsvModelPrivate& d_ptr = qxt_d();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
362 for(int i = 0; i < rowCount(); i++) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
363 QStringList& row = d_ptr.csvData[i];
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
364 while(col >= row.length()) row.append(QString());
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
365 for(int j = 0; j < count; j++) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
366 row.insert(col, QString());
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
367 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
368 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
369 for(int i = 0; i < count ;i++)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
370 d_ptr.header.insert(col, QString());
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
371 d_ptr.maxColumn += count;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
372 endInsertColumns();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
373 return true;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
374 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
375
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
376 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
377 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
378 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
379 bool QxtCsvModel::removeColumn(int col, const QModelIndex& parent)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
380 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
381 return removeColumns(col, 1, parent);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
382 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
383
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
384 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
385 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
386 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
387 bool QxtCsvModel::removeColumns(int col, int count, const QModelIndex& parent)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
388 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
389 if (parent != QModelIndex() || col < 0) return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
390 if (col >= columnCount()) return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
391 if (col + count >= columnCount()) count = columnCount() - col;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
392 emit beginRemoveColumns(parent, col, col + count);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
393 QxtCsvModelPrivate& d_ptr = qxt_d();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
394 QString before, after;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
395 for(int i = 0; i < rowCount(); i++) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
396 for(int j = 0; j < count; j++) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
397 d_ptr.csvData[i].removeAt(col);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
398 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
399 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
400 for(int i = 0; i < count; i++)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
401 d_ptr.header.removeAt(col);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
402 emit endRemoveColumns();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
403 return true;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
404 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
405
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
406 static QString qxt_addCsvQuotes(QxtCsvModel::QuoteMode mode, QString field)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
407 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
408 bool addDoubleQuotes = ((mode & QxtCsvModel::DoubleQuote) && field.contains('"'));
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
409 bool addSingleQuotes = ((mode & QxtCsvModel::SingleQuote) && field.contains('\''));
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
410 bool quoteField = (mode & QxtCsvModel::AlwaysQuoteOutput) || addDoubleQuotes || addSingleQuotes;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
411 if(quoteField && !addDoubleQuotes && !addSingleQuotes) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
412 if(mode & QxtCsvModel::DoubleQuote)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
413 addDoubleQuotes = true;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
414 else if(mode & QxtCsvModel::SingleQuote)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
415 addSingleQuotes = true;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
416 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
417 if(mode & QxtCsvModel::BackslashEscape) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
418 if(addDoubleQuotes)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
419 return '"' + field.replace("\\", "\\\\").replace("\"", "\\\"") + '"';
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
420 if(addSingleQuotes)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
421 return '\'' + field.replace("\\", "\\\\").replace("'", "\\'") + '\'';
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
422 } else {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
423 if(addDoubleQuotes)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
424 return '"' + field.replace("\"", "\"\"") + '"';
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
425 if(addSingleQuotes)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
426 return '\'' + field.replace("'", "''") + '\'';
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
427 }
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parents:
diff changeset
428 return field;
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parents:
diff changeset
429 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
430
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
431 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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432 Outputs the content of the model as a CSV file to the device \a dest using \a codec.
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diff changeset
433
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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434 Fields in the output file will be separated by \a separator. Set \a withHeader to true
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diff changeset
435 to output a row of headers at the top of the file.
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
436 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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437 void QxtCsvModel::toCSV(QIODevice* dest, bool withHeader, QChar separator, QTextCodec* codec) const
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438 {
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439 const QxtCsvModelPrivate& d_ptr = qxt_d();
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440 int row, col, rows, cols;
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Andre Heinecke <andre.heinecke@intevation.de>
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441 rows = rowCount();
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Andre Heinecke <andre.heinecke@intevation.de>
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442 cols = columnCount();
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443 QString data;
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444 if(!dest->isOpen()) dest->open(QIODevice::WriteOnly | QIODevice::Truncate);
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445 QTextStream stream(dest);
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Andre Heinecke <andre.heinecke@intevation.de>
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446 if(codec) stream.setCodec(codec);
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447 if(withHeader) {
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Andre Heinecke <andre.heinecke@intevation.de>
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448 data = "";
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449 for(col = 0; col < cols; ++col) {
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450 if(col > 0) data += separator;
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Andre Heinecke <andre.heinecke@intevation.de>
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451 data += qxt_addCsvQuotes(d_ptr.quoteMode, d_ptr.header.at(col));
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452 }
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Andre Heinecke <andre.heinecke@intevation.de>
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453 stream << data << endl;
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Andre Heinecke <andre.heinecke@intevation.de>
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454 }
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
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455 for(row = 0; row < rows; ++row)
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Andre Heinecke <andre.heinecke@intevation.de>
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456 {
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457 const QStringList& rowData = d_ptr.csvData[row];
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458 data = "";
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Andre Heinecke <andre.heinecke@intevation.de>
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459 for(col = 0; col < cols; ++col) {
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460 if(col > 0) data += separator;
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Andre Heinecke <andre.heinecke@intevation.de>
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461 if(col < rowData.length())
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Andre Heinecke <andre.heinecke@intevation.de>
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462 data += qxt_addCsvQuotes(d_ptr.quoteMode, rowData.at(col));
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463 else
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Andre Heinecke <andre.heinecke@intevation.de>
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464 data += qxt_addCsvQuotes(d_ptr.quoteMode, QString());;
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465 }
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Andre Heinecke <andre.heinecke@intevation.de>
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466 stream << data << endl;
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Andre Heinecke <andre.heinecke@intevation.de>
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467 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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468 stream << flush;
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Andre Heinecke <andre.heinecke@intevation.de>
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469 dest->close();
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Andre Heinecke <andre.heinecke@intevation.de>
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470 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
471
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
472 /*!
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Andre Heinecke <andre.heinecke@intevation.de>
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473 \overload
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Andre Heinecke <andre.heinecke@intevation.de>
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474
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Andre Heinecke <andre.heinecke@intevation.de>
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475 Outputs the content of the model as a CSV file to the file specified by \a filename using \a codec.
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
476
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
477 Fields in the output file will be separated by \a separator. Set \a withHeader to true
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
478 to output a row of headers at the top of the file.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
479 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
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480 void QxtCsvModel::toCSV(const QString filename, bool withHeader, QChar separator, QTextCodec* codec) const
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
481 {
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Andre Heinecke <andre.heinecke@intevation.de>
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482 QFile dest(filename);
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Andre Heinecke <andre.heinecke@intevation.de>
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483 toCSV(&dest, withHeader, separator, codec);
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Andre Heinecke <andre.heinecke@intevation.de>
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484 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
485
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
486 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
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487 \reimp
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Andre Heinecke <andre.heinecke@intevation.de>
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488 */
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
489 Qt::ItemFlags QxtCsvModel::flags(const QModelIndex& index) const
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Andre Heinecke <andre.heinecke@intevation.de>
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490 {
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Andre Heinecke <andre.heinecke@intevation.de>
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491 return Qt::ItemIsEditable | QAbstractTableModel::flags(index);
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Andre Heinecke <andre.heinecke@intevation.de>
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492 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
493
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
494 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
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495 * Returns the current quoting mode.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
496 * \sa setQuoteMode
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Andre Heinecke <andre.heinecke@intevation.de>
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497 */
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
498 QxtCsvModel::QuoteMode QxtCsvModel::quoteMode() const
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
499 {
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
500 return qxt_d().quoteMode;
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
501 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
502
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
503 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
504 * Sets the current quoting mode. The default quoting mode is BothQuotes | BackslashEscape.
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
505 *
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
506 * The quoting mode determines what kinds of quoting is used for reading and writing CSV files.
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
507 * \sa quoteMode
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
508 * \sa QuoteOption
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
509 */
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
510 void QxtCsvModel::setQuoteMode(QuoteMode mode)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
511 {
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
512 qxt_d().quoteMode = mode;
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
513 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
514
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
515 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
516 Sets the content of the cell at row \a row and column \a column to \a value.
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
517
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
518 \sa text
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
519 */
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
520 void QxtCsvModel::setText(int row, int column, const QString& value)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
521 {
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
522 setData(index(row, column), value);
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
523 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
524
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
525 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
526 Fetches the content of the cell at row \a row and column \a column.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
527
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
528 \sa setText
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
529 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
530 QString QxtCsvModel::text(int row, int column) const
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
531 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
532 return data(index(row, column)).toString();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
533 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
534
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
535 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
536 Sets the content of the header for column \a column to \a value.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
537
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
538 \sa headerText
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
539 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
540 void QxtCsvModel::setHeaderText(int column, const QString& value)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
541 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
542 setHeaderData(column, Qt::Horizontal, value);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
543 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
544
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
545 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
546 Fetches the content of the cell at row \a row and column \a column.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
547
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
548 \sa setText
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
549 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
550 QString QxtCsvModel::headerText(int column) const
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
551 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
552 return headerData(column, Qt::Horizontal).toString();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
553 }
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