annotate src/libqxt/qxtcsvmodel.cpp @ 96:a9e72af2e6fa 1.2

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author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 29 Jun 2015 15:40:19 +0200
parents 5923d569167b
children
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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(), header_tt(), 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 QStringList header_tt;
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55 int maxColumn;
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56 QxtCsvModel::QuoteMode quoteMode;
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57 };
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58
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59 /*!
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60 Creates an empty QxtCsvModel with parent \a parent.
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61 */
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62 QxtCsvModel::QxtCsvModel(QObject *parent) : QAbstractTableModel(parent)
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63 {
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64 QXT_INIT_PRIVATE(QxtCsvModel);
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65 }
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66
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67 /*!
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68 Creates a QxtCsvModel with the parent \a parent and content loaded from \a file.
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69
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70 See \a setSource for information on the \a withHeader and \a separator properties, or
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71 if you need control over the quoting method or codec used to parse the file.
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72
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73 \sa setSource
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74 */
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75 QxtCsvModel::QxtCsvModel(QIODevice *file, QObject *parent, bool withHeader, QChar separator) : QAbstractTableModel(parent)
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76 {
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77 QXT_INIT_PRIVATE(QxtCsvModel);
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78 setSource(file, withHeader, separator);
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79 }
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80
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81 /*!
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82 \overload
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83
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84 Creates a QxtCsvModel with the parent \a parent and content loaded from \a file.
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85
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86 See \a setSource for information on the \a withHeader and \a separator properties, or
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87 if you need control over the quoting method or codec used to parse the file.
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88
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89 \sa setSource
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90 */
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91 QxtCsvModel::QxtCsvModel(const QString filename, QObject *parent, bool withHeader, QChar separator) : QAbstractTableModel(parent)
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92 {
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93 QXT_INIT_PRIVATE(QxtCsvModel);
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94 QFile src(filename);
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95 setSource(&src, withHeader, separator);
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96 }
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97
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98 QxtCsvModel::~QxtCsvModel()
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99 {}
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100
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101 /*!
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102 \reimp
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103 */
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104 int QxtCsvModel::rowCount(const QModelIndex& parent) const
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105 {
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106 if (parent.row() != -1 && parent.column() != -1) return 0;
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107 return qxt_d().csvData.count();
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108 }
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109
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110 /*!
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111 \reimp
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112 */
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113 int QxtCsvModel::columnCount(const QModelIndex& parent) const
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114 {
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115 if (parent.row() != -1 && parent.column() != -1) return 0;
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116 return qxt_d().maxColumn;
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117 }
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118
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119 /*!
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120 \reimp
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121 */
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122 QVariant QxtCsvModel::data(const QModelIndex& index, int role) const
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123 {
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124 if(index.parent() != QModelIndex()) return QVariant();
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125 if(role == Qt::DisplayRole || role == Qt::EditRole || role == Qt::UserRole) {
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126 if(index.row() < 0 || index.column() < 0 || index.row() >= rowCount())
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127 return QVariant();
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128 const QStringList& row = qxt_d().csvData[index.row()];
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129 if(index.column() >= row.length())
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130 return QVariant();
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131 return row[index.column()];
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132 }
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133 return QVariant();
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134 }
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135
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136 /*!
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137 \reimp
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138 */
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139 QVariant QxtCsvModel::headerData(int section, Qt::Orientation orientation, int role) const
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140 {
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141 if(section < qxt_d().header.count() && orientation == Qt::Horizontal && (role == Qt::DisplayRole || role == Qt::EditRole || role == Qt::UserRole))
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142 return qxt_d().header[section];
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143 else if (section < qxt_d().header_tt.count() && role == Qt::ToolTipRole) {
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144 return qxt_d().header_tt[section];
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145 } else
1
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146 return QAbstractTableModel::headerData(section, orientation, role);
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147 }
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148
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149 /*!
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150 \overload
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151
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152 Reads in a CSV file from the provided \a file using \a codec.
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153 */
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154 void QxtCsvModel::setSource(const QString filename, bool withHeader, QChar separator, QTextCodec* codec)
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155 {
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156 QFile src(filename);
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157 setSource(&src, withHeader, separator, codec);
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158 }
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159
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160 /*!
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161 Reads in a CSV file from the provided \a file using \a codec.
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162
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163 The value of \a separator will be used to delimit fields, subject to the specified \a quoteMode.
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164 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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165 horizontal header.
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166
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167 \sa quoteMode
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168 */
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169 void QxtCsvModel::setSource(QIODevice *file, bool withHeader, QChar separator, QTextCodec* codec)
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170 {
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171 QxtCsvModelPrivate* d_ptr = &qxt_d();
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172 bool headerSet = !withHeader;
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173 if(!file->isOpen())
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174 file->open(QIODevice::ReadOnly);
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175 if(withHeader)
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176 d_ptr->maxColumn = 0;
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177 else
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178 d_ptr->maxColumn = d_ptr->header.size();
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179 d_ptr->csvData.clear();
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180 QStringList row;
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181 QString field;
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182 QChar quote;
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183 QChar ch, buffer(0);
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184 bool readCR = false;
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185 int idx_nr = 1; // XXX added for retraceit
1
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186 QTextStream stream(file);
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187 if(codec) {
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188 stream.setCodec(codec);
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189 } else {
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190 stream.setAutoDetectUnicode(true);
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191 }
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192 while(!stream.atEnd()) {
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193 if(buffer != QChar(0)) {
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194 ch = buffer;
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195 buffer = QChar(0);
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196 } else {
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197 stream >> ch;
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198 }
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199 if(ch == '\n' && readCR)
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200 continue;
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201 else if(ch == '\r')
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202 readCR = true;
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203 else
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204 readCR = false;
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205 if(ch != separator && (ch.category() == QChar::Separator_Line || ch.category() == QChar::Separator_Paragraph || ch.category() == QChar::Other_Control)) {
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206 row << field;
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207 field.clear();
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208 if(!row.isEmpty()) {
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209 row.insert(0, headerSet ? QString::number(idx_nr++) : QString::fromLatin1("#Index Nr.")); // XXX added for retraceit
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210 if(!headerSet) {
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211 d_ptr->header = row;
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212 headerSet = true;
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213 } else {
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214 d_ptr->csvData.append(row);
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215 }
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216 if(row.length() > d_ptr->maxColumn) {
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217 d_ptr->maxColumn = row.length();
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218 }
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219 }
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220 row.clear();
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221 } else if((d_ptr->quoteMode & DoubleQuote && ch == '"') || (d_ptr->quoteMode & SingleQuote && ch == '\'')) {
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222 quote = ch;
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223 do {
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224 stream >> ch;
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225 if(ch == '\\' && d_ptr->quoteMode & BackslashEscape) {
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226 stream >> ch;
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227 } else if(ch == quote) {
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228 if(d_ptr->quoteMode & TwoQuoteEscape) {
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229 stream >> buffer;
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230 if(buffer == quote) {
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231 buffer = QChar(0);
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232 field.append(ch);
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233 continue;
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234 }
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235 }
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236 break;
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237 }
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238 field.append(ch);
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239 } while(!stream.atEnd());
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240 } else if(ch == separator) {
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241 row << field;
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242 field.clear();
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243 } else {
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244 field.append(ch);
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245 }
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246 }
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247 if(!field.isEmpty())
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248 row << field;
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249 if(!row.isEmpty()) {
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0c05958d254c (issue 13, 6) Add constant index number column to data and view
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250 row.insert(0, headerSet ? QString::number(idx_nr++) : QString::fromLatin1("#Index Nr.")); // XXX added for relayit
1
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251 if(!headerSet)
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252 d_ptr->header = row;
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253 else
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254 d_ptr->csvData.append(row);
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255 }
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256 file->close();
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257 }
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258
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259 /*!
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260 Sets the horizontal headers of the model to the values provided in \a data.
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261 */
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262 void QxtCsvModel::setHeaderData(const QStringList& data)
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263 {
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264 qxt_d().header = data;
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265 emit headerDataChanged(Qt::Horizontal, 0, data.count());
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266 }
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267
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268 /*!
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269 \reimp
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270 */
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271 bool QxtCsvModel::setHeaderData(int section, Qt::Orientation orientation, const QVariant& value, int role)
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272 {
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273 if(section < 0) return false; // Bogus input
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274 while(section > qxt_d().header.size()) {
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275 qxt_d().header << QString();
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276 }
81
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277 while(section >= qxt_d().header_tt.size()) {
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278 qxt_d().header_tt << QString();
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279 }
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280 qDebug() << "Sect " << section << " size " << qxt_d().header_tt.size();
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281 if(orientation != Qt::Horizontal) return false; // We don't support the vertical header
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282 if(role == Qt::ToolTipRole) {
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283 qxt_d().header_tt[section] = value.toString();
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diff changeset
284 emit headerDataChanged(Qt::Horizontal, section, section);
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diff changeset
285 return true;
5923d569167b Make Header tooltips configurable
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diff changeset
286 }
5923d569167b Make Header tooltips configurable
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diff changeset
287 if(role != Qt::DisplayRole && role != Qt::EditRole) return false; // We don't support any other roles
1
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288 qxt_d().header[section] = value.toString();
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289 emit headerDataChanged(Qt::Horizontal, section, section);
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290 return true;
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291 }
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292
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293 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
294 \reimp
7a2637c3eb83 Add csv parser from libqxt
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295 */
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
296 bool QxtCsvModel::setData(const QModelIndex& index, const QVariant& data, int role)
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297 {
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298 if (index.parent() != QModelIndex()) return false;
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299
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300 if(role == Qt::DisplayRole || role == Qt::EditRole || role == Qt::UserRole) {
7a2637c3eb83 Add csv parser from libqxt
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301 if(index.row() >= rowCount() || index.column() >= columnCount() || index.row() < 0 || index.column() < 0) return false;
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302 QStringList& row = qxt_d().csvData[index.row()];
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303 while(row.length() <= index.column())
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304 row << QString();
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305 row[index.column()] = data.toString();
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diff changeset
306 emit dataChanged(index, index);
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diff changeset
307 return true;
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308 }
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309 return false;
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310 }
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311
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312 /*!
7a2637c3eb83 Add csv parser from libqxt
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313 \reimp
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314 */
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315 bool QxtCsvModel::insertRow(int row, const QModelIndex& parent)
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316 {
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317 return insertRows(row, 1, parent);
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318 }
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319
7a2637c3eb83 Add csv parser from libqxt
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320 /*!
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
321 \reimp
7a2637c3eb83 Add csv parser from libqxt
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322 */
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diff changeset
323 bool QxtCsvModel::insertRows(int row, int count, const QModelIndex& parent)
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324 {
7a2637c3eb83 Add csv parser from libqxt
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325 if (parent != QModelIndex() || row < 0) return false;
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326 emit beginInsertRows(parent, row, row + count);
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327 QxtCsvModelPrivate& d_ptr = qxt_d();
7a2637c3eb83 Add csv parser from libqxt
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328 if(row >= rowCount()) {
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329 for(int i = 0; i < count; i++) d_ptr.csvData << QStringList();
7a2637c3eb83 Add csv parser from libqxt
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330 } else {
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331 for(int i = 0; i < count; i++) d_ptr.csvData.insert(row, QStringList());
7a2637c3eb83 Add csv parser from libqxt
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332 }
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333 emit endInsertRows();
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334 return true;
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335 }
7a2637c3eb83 Add csv parser from libqxt
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parents:
diff changeset
336
7a2637c3eb83 Add csv parser from libqxt
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337 /*!
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
338 \reimp
7a2637c3eb83 Add csv parser from libqxt
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339 */
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
340 bool QxtCsvModel::removeRow(int row, const QModelIndex& parent)
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341 {
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342 return removeRows(row, 1, parent);
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343 }
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
344
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345 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
346 \reimp
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
347 */
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
348 bool QxtCsvModel::removeRows(int row, int count, const QModelIndex& parent)
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diff changeset
349 {
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diff changeset
350 if (parent != QModelIndex() || row < 0) return false;
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diff changeset
351 if (row >= rowCount()) return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
352 if (row + count >= rowCount()) count = rowCount() - row;
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
353 emit beginRemoveRows(parent, row, row + count);
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diff changeset
354 QxtCsvModelPrivate& d_ptr = qxt_d();
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diff changeset
355 for (int i = 0;i < count;i++)
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356 d_ptr.csvData.removeAt(row);
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357 emit endRemoveRows();
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358 return true;
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359 }
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360
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diff changeset
361 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
362 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
363 */
7a2637c3eb83 Add csv parser from libqxt
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parents:
diff changeset
364 bool QxtCsvModel::insertColumn(int col, const QModelIndex& parent)
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parents:
diff changeset
365 {
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366 return insertColumns(col, 1, parent);
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diff changeset
367 }
7a2637c3eb83 Add csv parser from libqxt
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parents:
diff changeset
368
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
369 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
370 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
371 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
372 bool QxtCsvModel::insertColumns(int col, int count, const QModelIndex& parent)
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diff changeset
373 {
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
374 if (parent != QModelIndex() || col < 0) return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
375 beginInsertColumns(parent, col, col + count - 1);
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
376 QxtCsvModelPrivate& d_ptr = qxt_d();
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diff changeset
377 for(int i = 0; i < rowCount(); i++) {
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diff changeset
378 QStringList& row = d_ptr.csvData[i];
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diff changeset
379 while(col >= row.length()) row.append(QString());
7a2637c3eb83 Add csv parser from libqxt
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diff changeset
380 for(int j = 0; j < count; j++) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
381 row.insert(col, QString());
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diff changeset
382 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
383 }
81
5923d569167b Make Header tooltips configurable
Andre Heinecke <andre.heinecke@intevation.de>
parents: 40
diff changeset
384 for(int i = 0; i < count ;i++) {
1
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diff changeset
385 d_ptr.header.insert(col, QString());
81
5923d569167b Make Header tooltips configurable
Andre Heinecke <andre.heinecke@intevation.de>
parents: 40
diff changeset
386 d_ptr.header_tt.insert(col, QString());
5923d569167b Make Header tooltips configurable
Andre Heinecke <andre.heinecke@intevation.de>
parents: 40
diff changeset
387 }
1
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diff changeset
388 d_ptr.maxColumn += count;
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
389 endInsertColumns();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
390 return true;
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
391 }
7a2637c3eb83 Add csv parser from libqxt
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parents:
diff changeset
392
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
393 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
394 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
395 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
396 bool QxtCsvModel::removeColumn(int col, const QModelIndex& parent)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
397 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
398 return removeColumns(col, 1, parent);
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
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
401 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
402 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
403 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
404 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
405 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
406 if (parent != QModelIndex() || col < 0) return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
407 if (col >= columnCount()) return false;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
408 if (col + count >= columnCount()) count = columnCount() - col;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
409 emit beginRemoveColumns(parent, col, col + count);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
410 QxtCsvModelPrivate& d_ptr = qxt_d();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
411 QString before, after;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
412 for(int i = 0; i < rowCount(); i++) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
413 for(int j = 0; j < count; j++) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
414 d_ptr.csvData[i].removeAt(col);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
415 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
416 }
81
5923d569167b Make Header tooltips configurable
Andre Heinecke <andre.heinecke@intevation.de>
parents: 40
diff changeset
417 for(int i = 0; i < count; i++) {
1
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
418 d_ptr.header.removeAt(col);
81
5923d569167b Make Header tooltips configurable
Andre Heinecke <andre.heinecke@intevation.de>
parents: 40
diff changeset
419 d_ptr.header_tt.removeAt(col);
5923d569167b Make Header tooltips configurable
Andre Heinecke <andre.heinecke@intevation.de>
parents: 40
diff changeset
420 }
1
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
421 emit endRemoveColumns();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
422 return true;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
423 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
424
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
425 static QString qxt_addCsvQuotes(QxtCsvModel::QuoteMode mode, QString field)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
426 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
427 bool addDoubleQuotes = ((mode & QxtCsvModel::DoubleQuote) && field.contains('"'));
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
428 bool addSingleQuotes = ((mode & QxtCsvModel::SingleQuote) && field.contains('\''));
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
429 bool quoteField = (mode & QxtCsvModel::AlwaysQuoteOutput) || addDoubleQuotes || addSingleQuotes;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
430 if(quoteField && !addDoubleQuotes && !addSingleQuotes) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
431 if(mode & QxtCsvModel::DoubleQuote)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
432 addDoubleQuotes = true;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
433 else if(mode & QxtCsvModel::SingleQuote)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
434 addSingleQuotes = true;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
435 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
436 if(mode & QxtCsvModel::BackslashEscape) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
437 if(addDoubleQuotes)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
438 return '"' + field.replace("\\", "\\\\").replace("\"", "\\\"") + '"';
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
439 if(addSingleQuotes)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
440 return '\'' + field.replace("\\", "\\\\").replace("'", "\\'") + '\'';
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
441 } else {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
442 if(addDoubleQuotes)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
443 return '"' + field.replace("\"", "\"\"") + '"';
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
444 if(addSingleQuotes)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
445 return '\'' + field.replace("'", "''") + '\'';
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
446 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
447 return field;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
448 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
449
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
450 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
451 Outputs the content of the model as a CSV file to the device \a dest using \a codec.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
452
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
453 Fields in the output file will be separated by \a separator. Set \a withHeader to true
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
454 to output a row of headers at the top of the file.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
455 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
456 void QxtCsvModel::toCSV(QIODevice* dest, bool withHeader, QChar separator, QTextCodec* codec) const
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
457 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
458 const QxtCsvModelPrivate& d_ptr = qxt_d();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
459 int row, col, rows, cols;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
460 rows = rowCount();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
461 cols = columnCount();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
462 QString data;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
463 if(!dest->isOpen()) dest->open(QIODevice::WriteOnly | QIODevice::Truncate);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
464 QTextStream stream(dest);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
465 if(codec) stream.setCodec(codec);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
466 if(withHeader) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
467 data = "";
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
468 for(col = 0; col < cols; ++col) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
469 if(col > 0) data += separator;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
470 data += qxt_addCsvQuotes(d_ptr.quoteMode, d_ptr.header.at(col));
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 stream << data << endl;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
473 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
474 for(row = 0; row < rows; ++row)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
475 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
476 const QStringList& rowData = d_ptr.csvData[row];
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
477 data = "";
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
478 for(col = 0; col < cols; ++col) {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
479 if(col > 0) data += separator;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
480 if(col < rowData.length())
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
481 data += qxt_addCsvQuotes(d_ptr.quoteMode, rowData.at(col));
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
482 else
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
483 data += qxt_addCsvQuotes(d_ptr.quoteMode, QString());;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
484 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
485 stream << data << endl;
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:
diff changeset
487 stream << flush;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
488 dest->close();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
489 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
490
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
491 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
492 \overload
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
493
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
494 Outputs the content of the model as a CSV file to the file specified by \a filename using \a codec.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
495
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
496 Fields in the output file will be separated by \a separator. Set \a withHeader to true
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
497 to output a row of headers at the top of the file.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
498 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
499 void QxtCsvModel::toCSV(const QString filename, bool withHeader, QChar separator, QTextCodec* codec) const
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
500 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
501 QFile dest(filename);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
502 toCSV(&dest, withHeader, separator, codec);
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
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
505 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
506 \reimp
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
507 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
508 Qt::ItemFlags QxtCsvModel::flags(const QModelIndex& index) const
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
509 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
510 return Qt::ItemIsEditable | QAbstractTableModel::flags(index);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
511 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
512
7a2637c3eb83 Add csv parser from libqxt
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 * Returns the current quoting mode.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
515 * \sa setQuoteMode
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
516 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
517 QxtCsvModel::QuoteMode QxtCsvModel::quoteMode() const
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
518 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
519 return qxt_d().quoteMode;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
520 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
521
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
522 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
523 * Sets the current quoting mode. The default quoting mode is BothQuotes | BackslashEscape.
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 * The quoting mode determines what kinds of quoting is used for reading and writing CSV files.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
526 * \sa quoteMode
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
527 * \sa QuoteOption
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
528 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
529 void QxtCsvModel::setQuoteMode(QuoteMode mode)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
530 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
531 qxt_d().quoteMode = mode;
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
532 }
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 Sets the content of the cell at row \a row and column \a column to \a value.
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
536
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
537 \sa text
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
538 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
539 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
540 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
541 setData(index(row, column), value);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
542 }
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 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
546
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
547 \sa setText
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
548 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
549 QString QxtCsvModel::text(int row, int column) const
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
550 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
551 return data(index(row, column)).toString();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
552 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
553
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
554 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
555 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
556
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
557 \sa headerText
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
558 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
559 void QxtCsvModel::setHeaderText(int column, const QString& value)
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
560 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
561 setHeaderData(column, Qt::Horizontal, value);
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
562 }
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
563
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
564 /*!
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
565 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
566
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
567 \sa setText
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
568 */
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
569 QString QxtCsvModel::headerText(int column) const
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
570 {
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
571 return headerData(column, Qt::Horizontal).toString();
7a2637c3eb83 Add csv parser from libqxt
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
572 }
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