Mercurial > clickerconvert

annotate src/converter.cpp @ 65:defd29b9f25a

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Converter: Unescape IMG and Latex references
author Andre Heinecke <andre.heinecke@intevation.de>
date Fri, 26 Aug 2016 15:26:17 +0200
parents 4d65e654abf7
children dab9c19252bd
rev   line source
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1 /* Copyright (C) 2016 by ETH Zürich
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8
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9 #include "converter.h"
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10 #include <QDebug>
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11 #include <QRegularExpression>
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12 #include <QRegularExpressionMatch>
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13 #include <QTextDocument>
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14 #include <QPrinter>
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15 #include <QImage>
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16 #include <QPainter>
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17
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18 #include "xlsxdocument.h"
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19 #include "xlsxconditionalformatting.h"
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20
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21 #include "constants.h"
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22
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23 QTXLSX_USE_NAMESPACE
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24
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25 Converter::Converter(const QString &input, const QStringList &outputs,
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26 const QString &title):
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27 QThread(Q_NULLPTR),
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28 mInput(input),
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29 mOutputs(outputs),
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30 mTitle(title)
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31 {
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32 mTitleFmt.setFontUnderline(Format::FontUnderlineSingle);
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33 mTitleFmt.setFontSize(18);
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34 mTitleFmt.setFontName("Calibri");
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35 mTitleFmt.setFontBold(true);
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36 mTitleFmt.setVerticalAlignment(Format::AlignTop);
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37
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38
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39 mQuestionFmt.setFontSize(11);
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40 mQuestionFmt.setFontName("Calibri");
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41 mQuestionFmt.setFontBold(true);
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42 mQuestionFmt.setTopBorderStyle(Format::BorderThin);
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43 mQuestionFmt.setBottomBorderStyle(Format::BorderThin);
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44 mQuestionFmt.setTextWarp(true);
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45
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46 mAnswerChoiceFmt.setFontSize(11);
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47 mAnswerChoiceFmt.setFontName("Calibri");
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48 mAnswerChoiceFmt.setHorizontalAlignment(Format::AlignLeft);
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49 mAnswerChoiceFmt.setTextWarp(true);
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50
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51 mChoiceTextFmt = mAnswerChoiceFmt;
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52 mChoiceTextFmt.setVerticalAlignment(Format::AlignVCenter);
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53
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54 mChoiceVotesFmt = mChoiceTextFmt;
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55 mChoiceVotesFmt.setFontSize(10);
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56
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57 mFreeTextFmt = mQuestionFmt;
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58 mFreeTextFmt.setFontBold(false);
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59
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60 mAnswerTextFmt = mQuestionFmt;
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61 mAnswerTextFmt.setVerticalAlignment(Format::AlignVCenter);
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62 mAnswerTextFmt.setHorizontalAlignment(Format::AlignLeft);
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63
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64 mTitleStyle = QStringLiteral("<tr><td colspan='3' style='vertical-align: top;"
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65 "font-weight: bold; text-decoration:underline; font-size: 18pt;'>"
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66 "%1</td></tr><tr/>");
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67 mQuestionStyle = QStringLiteral("<tr><td colspan='3' style='font-size: 11pt;font-weight: bold;'"
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68 "><hr/>%1<hr/></td></tr>");
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69 mAnswerChoiceStyle= QStringLiteral("<tr><td colspan='3' style='text-align: left; font-size: 11pt;'>Answer</td></tr>");
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70 mChoiceTextStyle= QStringLiteral("<tr><td align='right' style='vertical-align: middle; font-size:11pt;'>%1</td>");
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71 mChoiceVotesStyle = QStringLiteral("<td style='text-align: left;vertical-algin: center;"
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72 "font-size:10pt;'</td>%1</td></tr>");
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73 mAnswerTextStyle = QStringLiteral("<tr><td colspan='3' style='font-weight: bold;vertical-algin: middle;"
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74 "font-size:11pt;'>Answer<hr/></td></tr>");
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75 mFreeTextStyle = QStringLiteral("<tr><td colspan='3'; font-size:11pt;'>%1<hr/></td></tr>");
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76 mEmptyRow = QStringLiteral("<tr style='height: %1px'/>").arg(CHOICE_ROW_HEIGHT);
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77 }
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78
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79 void Converter::run()
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80 {
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81 QFile infile;
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82
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83 if (mInput.isEmpty()) {
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84 if (!infile.open(stdin, QIODevice::ReadOnly)) {
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85 mErrors << tr("Failed to open standard input and no input file provided.");
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86 return;
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87 }
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88 } else {
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89 infile.setFileName(mInput);
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90 if (!infile.open(QIODevice::ReadOnly)) {
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91 mErrors << tr("Failed to open %1 for reading.").arg(mInput);
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92 return;
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93 }
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94 }
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95 QTextStream instream(&infile);
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96
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97 QList<QFile*> outfiles;
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98
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99 if (mOutputs.isEmpty()) {
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100 QFile *outfile = new QFile();
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101 if (!outfile->open(stdout, QIODevice::WriteOnly)) {
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102 mErrors << tr("Failed to open standard output and no output file provided.");
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103 return;
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104 }
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105 outfiles << outfile;
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106 }
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107 foreach (const QString &fileName, mOutputs) {
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108 QFile *outfile = new QFile();
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109 outfile->setFileName(fileName);
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110 if (!outfile->open(QIODevice::WriteOnly)) {
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111 mErrors << tr("Failed to open %1 for writing.").arg(fileName);
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112 return;
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113 }
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114 outfiles << outfile;
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115 }
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116 convertToXSLX(instream, outfiles);
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117 }
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118
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119 static void makeBar(QTextStream &html, double percent, QTextDocument &doc)
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120 {
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121 QImage image(QSize(IMAGE_WIDTH, 25), QImage::Format_RGB32);
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122 QPainter painter(&image);
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123 QRect rect = image.rect();
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124 if (percent) {
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125 rect.setRight(rect.right() / (100. / percent));
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126 painter.fillRect(rect, QColor(BAR_COLOR));
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127 rect.setLeft(rect.right());
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128 }
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129 qDebug() << "Filled " << rect << " with color";
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130 rect.setRight(IMAGE_WIDTH);
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131 painter.fillRect(rect, Qt::white);
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132 qDebug() << "Filled " << rect << " with white";
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133 doc.addResource(QTextDocument::ImageResource, QUrl(QStringLiteral("internal://bar%1.png").arg((int)percent)),
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134 QVariant(image));
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135 html << QStringLiteral("<td style='vertical-align: middle'><img src=\"internal://bar%1.png\"/></td>").arg((int)percent);
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136 return;
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137 }
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138
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139 static void unescapeRegex(QString &str, const QRegularExpression &exp)
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140 {
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141 QRegularExpressionMatch match = exp.match(str);
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142 while (match.hasMatch()) {
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143 str.replace(match.capturedStart(), match.capturedLength(), match.captured(1));
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144 match = exp.match(str);
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145 }
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146 }
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147
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148 static void unescapeString(QString &str)
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149 {
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150 static const QRegularExpression imgEx(IMAGE_PATTERN);
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151 static const QRegularExpression texEx(LATEX_PATTERN);
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152
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153 unescapeRegex(str, imgEx);
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154 unescapeRegex(str, texEx);
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155 }
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156
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157 void Converter::convertToXSLX(QTextStream& instream, QList<QFile *>outputs)
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158 {
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159 Document xlsx;
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160 QTextDocument doc;
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161 QString htmlString;
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162 QTextStream html (&htmlString);
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163
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164 ConditionalFormatting bars;
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165
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166 bars.addDataBarRule(QColor(0xFF, 0x99, 0x33), ConditionalFormatting::VOT_Num,
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167 "0", ConditionalFormatting::VOT_Num, "100", false);
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168
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169 const double colWidth[] = COLUMN_WIDTHS;
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170 double sum = 0;
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171
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172 for (int i = 1; i <= COLUMN_CNT; i++) {
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173 xlsx.setColumnWidth(i, colWidth[i-1]);
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174 sum += colWidth[i-1];
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175 }
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176
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177 /* For the merged cell wordwrap trick. */
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178 xlsx.setColumnWidth(26, sum + 1);
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179 xlsx.setColumnHidden(26, true);
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180
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181 int row = 1;
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182 html << "<html><meta http-equiv=\"Content-Type\" content=\"text/html;charset=UTF-8\">"
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183 "<body><table border=\"0\" width:\"100%\">";
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184 html << QStringLiteral("<tr><th width=\"%1%\"></th>").arg(HTML_COL1_PERCENT);
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185 html << QStringLiteral("<th width=\"%1%\"></th>").arg(HTML_COL2_PERCENT);
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186 html << QStringLiteral("<th width=\"%1%\"></th>").arg(HTML_COL3_PERCENT);
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187
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188 const QString title = mTitle.isEmpty() ? DEFAULT_TITLE : mTitle;
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189 // Set the title of the Questionaire
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190 xlsx.write(row++, 1, title, mTitleFmt);
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191 html << mTitleStyle.arg(title.toHtmlEscaped());
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192 xlsx.mergeCells("A1:C1");
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193 xlsx.setRowHeight(1, TITLE_ROW_HEIGHT);
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194
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195 QString input = instream.readAll();
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196
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197 QRegularExpression questionEx(QUESTION_PATTERN);
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198 QRegularExpression choiceEx(CHOICE_PATTERN);
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199 QRegularExpression choiceAltEx(CHOICE_UNFILLED_PATTERN);
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200 QRegularExpression freetxtEx(FREETXT_PATTERN);
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201 QRegularExpression firstQuestionEx(FIRST_QUESTION_PATTERN);
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202
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203 input.replace("\r\n", "\n");
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204 input.replace("\n\r", "\n");
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205 input.replace("#NAME?\n", "");
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206
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207 QRegularExpressionMatch match = firstQuestionEx.match(input);
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208 bool foundSomething = false;
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209 int cursor = match.capturedEnd();
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210 while (match.hasMatch() && cursor != -1) {
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211 /* We've matched a question pattern. With the answer
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212 line */
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213 if (!match.lastCapturedIndex() == 2) {
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214 /* Should not happen without misconfiguration. */
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215 mErrors << "Internal parser error.";
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216 return;
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217 }
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218 foundSomething = true;
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219 QString question = match.captured(1).trimmed();
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220 unescapeString(question);
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221 const QString answerLine = match.captured(2).trimmed();
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222 xlsx.write(row, 2, QString(" "), mQuestionFmt);
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223 xlsx.write(row, 3, QString(" "), mQuestionFmt);
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224 xlsx.write(row++, 1, question, mQuestionFmt);
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225 html << mQuestionStyle.arg(question.toHtmlEscaped());
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226
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227 if (answerLine == QStringLiteral(CHOICE_IDENTIFIER)) {
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228 xlsx.setRowHeight(row, CHOICE_ROW_HEIGHT);
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229 xlsx.write(row++, 1, "Answer", mAnswerChoiceFmt);
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230 html << mAnswerChoiceStyle;
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231 int firstChoiceRow = row;
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232 int lastChoiceRow = row;
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233 repeat:
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234 QRegularExpressionMatch choiceMatch = choiceEx.match(input, cursor);
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235 while (choiceMatch.hasMatch() && choiceMatch.capturedStart() == cursor + 1) {
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236 /* We use the cursor here to keep track of the state. Only if an answer
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237 follows immediately behind the last answer we treat it as valid as
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238 otherwise we can't figure out when the next question begins. */
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239 cursor = choiceMatch.capturedEnd();
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240
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241 /* Write the values */
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242 QString choiceName = choiceMatch.captured(1).trimmed();
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243 if (choiceName.startsWith("=")) {
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244 choiceName = " " + choiceName;
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245 }
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246 unescapeString(choiceName);
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247 xlsx.write(row, 1, choiceName, mChoiceTextFmt);
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248 html << mChoiceTextStyle.arg(choiceName.toHtmlEscaped());
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249 qDebug() << "Captured for choice: " << choiceMatch.captured(0);
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250 bool ok;
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251 QString percentStr = choiceMatch.captured("percent");
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252 double percent;
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253 if (percentStr.isEmpty()) {
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254 percent = 0;
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255 ok = true;
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256 } else {
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257 percent = percentStr.toDouble(&ok);
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258 }
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259 if (!ok) {
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260 mErrors << "Unparsable number in string: " + choiceMatch.captured();
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261 percent = 0;
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262 percentStr = QString();
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263 /* PercentStr was not a number. */
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264 }
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265 makeBar(html, percent, doc);
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266 xlsx.write(row, 2, percent == 0 ? QVariant() : percent);
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267 const QString numStr = choiceMatch.captured("num");
23
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268 const QString numVotesString = QString("%1% | %2 Number of votes").
55
aaaf8cdbc85c Make percent string formatting more flexible
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diff changeset
269 arg(percentStr.isEmpty() ? QStringLiteral("0") : percentStr).
aaaf8cdbc85c Make percent string formatting more flexible
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diff changeset
270 arg(numStr.isEmpty() ? QStringLiteral("0") : numStr);
25
e5c5ebfa4205 Refactor to centralise html tags
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diff changeset
271 html << mChoiceVotesStyle.arg(numVotesString.toHtmlEscaped());
23
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272 xlsx.write(row, 3, numVotesString, mChoiceVotesFmt);
3
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273 xlsx.setRowHeight(row, CHOICE_ROW_HEIGHT);
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274 /* As long as we can match a choice which is either before the next question
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275 or before the end of the document */
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276 choiceMatch = choiceEx.match(input, cursor);
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277 row++;
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diff changeset
278 lastChoiceRow++;
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279 }
38
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280 choiceMatch = choiceAltEx.match(input, cursor);
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281 bool additionalFound = false;
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282 while (choiceMatch.hasMatch() && choiceMatch.capturedStart() <= cursor + 1) {
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283 additionalFound = true;
65
defd29b9f25a Converter: Unescape IMG and Latex references
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diff changeset
284 QString choice = choiceMatch.captured(1);
38
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285 cursor = choiceMatch.capturedEnd();
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286 /* Alternative answer that is just a list of strings */
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diff changeset
287 unescapeString(choice);
38
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288 qDebug() << "Caputured unfilled choice: " << choice;
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289 html << mChoiceTextStyle.arg(choice.toHtmlEscaped());
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290 makeBar(html, 0, doc);
39
41cd27a64365 Write empty columns for XSLX to avoid strange 0 formatting
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291 xlsx.write(row, 2, QVariant());
38
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292 const QString numVotesString = QStringLiteral("Keine eingegangenen Antworten");
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293 html << mChoiceVotesStyle.arg(numVotesString.toHtmlEscaped());
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294 xlsx.write(row, 3, numVotesString, mChoiceVotesFmt);
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295 xlsx.setRowHeight(row, CHOICE_ROW_HEIGHT);
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296 row++;
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297 lastChoiceRow++;
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298 choiceMatch = choiceAltEx.match(input, cursor);
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299 QRegularExpressionMatch realMatch = choiceEx.match(input, cursor);
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300 if (choiceMatch.hasMatch() && choiceMatch.capturedStart() == realMatch.capturedStart()) {
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301 /* We have a real match so back to the other pattern. */
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302 break;
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303 }
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304 }
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305 if (additionalFound) {
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306 goto repeat;
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307 }
3
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308 bars.addRange(QString("B%1:B%2").arg(firstChoiceRow).arg(lastChoiceRow));
13
101ee762f021 Add commented out Grouping
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diff changeset
309 // xlsx.groupRows(firstChoiceRow - 2, lastChoiceRow - 1, false);
3
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310 } else if (answerLine == QStringLiteral(TEXT_IDENTIFIER)) {
6
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311 QRegularExpressionMatch textMatch = freetxtEx.match(input, cursor);
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diff changeset
312 xlsx.setRowHeight(row, CHOICE_ROW_HEIGHT);
21
0b66b10a287d Add german translation
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diff changeset
313 xlsx.write(row++, 1, "Answer", mAnswerTextFmt);
25
e5c5ebfa4205 Refactor to centralise html tags
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diff changeset
314 html << mAnswerTextStyle;
23
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diff changeset
315
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diff changeset
316 /* To handle the workaround for quotes in answers we store
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317 * the number of rows and only afterwards create the html rows. */
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diff changeset
318 int firstFreeRow = row;
6
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diff changeset
319 while (textMatch.hasMatch()) {
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diff changeset
320 if (textMatch.capturedStart() != cursor + 1) {
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diff changeset
321 /* The format allows unescaped quotes in the text.
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322 This makes a workaround neccessary. If we have
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
323 an Unquoted string between the next quoted string
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diff changeset
324 and that Unquoted string is before the next question
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diff changeset
325 we append the unquoted string and the next quoted string
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diff changeset
326 with Quotes in the Row.*/
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diff changeset
327 QRegularExpressionMatch nextQuestion = questionEx.match(input, cursor);
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diff changeset
328 if (nextQuestion.hasMatch() &&
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diff changeset
329 nextQuestion.capturedStart() < textMatch.capturedEnd()) {
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diff changeset
330 /* The next question comes before the textMatch so we really have
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diff changeset
331 a new question. */
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diff changeset
332 break;
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diff changeset
333 }
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diff changeset
334 const QString lastRow = xlsx.read(row - 1, 26).toString();
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diff changeset
335 int unquotedLen = textMatch.capturedStart() - cursor;
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336 const QString unquoted = input.mid(cursor, unquotedLen);
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337 qDebug() << "Found inner quoted string: " << unquoted;
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diff changeset
338 /* Now combine */
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diff changeset
339 const QString combined = QString("%1\"%2\"%3").arg(lastRow).
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340 arg(unquoted).
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341 arg(textMatch.captured(1).trimmed());
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diff changeset
342 qDebug() << "Last row: " << lastRow;
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diff changeset
343 qDebug() << "Next Question is at: " << nextQuestion.capturedStart();
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diff changeset
344 qDebug() << "Text match is: " << textMatch.captured(1).trimmed();
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345 qDebug() << "cursor is at: " << cursor;
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diff changeset
346 qDebug() << "text match starts at: " << textMatch.capturedStart();
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diff changeset
347 xlsx.write(row - 1, 26, combined, mFreeTextFmt);
12
21f11f988115 Make sure strings don't start with = and duplicate text instead of formula
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diff changeset
348 xlsx.write(row - 1, 1, combined, mFreeTextFmt);
6
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diff changeset
349 cursor = textMatch.capturedEnd();
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diff changeset
350 textMatch = freetxtEx.match(input, cursor);
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diff changeset
351 continue;
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diff changeset
352 }
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diff changeset
353 cursor = textMatch.capturedEnd();
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diff changeset
354
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diff changeset
355 QString text = textMatch.captured(1).trimmed();
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diff changeset
356 qDebug() << "Found free text: " << text;
12
21f11f988115 Make sure strings don't start with = and duplicate text instead of formula
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diff changeset
357 if (text.startsWith("=")) {
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diff changeset
358 text = " " + text;
21f11f988115 Make sure strings don't start with = and duplicate text instead of formula
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diff changeset
359 }
6
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diff changeset
360
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diff changeset
361 /* Merge the cells */
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diff changeset
362 xlsx.mergeCells(QString("A%1:C%1").arg(row), mFreeTextFmt);
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diff changeset
363
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diff changeset
364 /* Merged cells ignore wordwrap the following trick is based on:
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
365 http://excel.tips.net/T003207_Automatic_Row_Height_For_Merged_Cells_with_Text_Wrap.html
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diff changeset
366 */
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diff changeset
367 /* Write the values */
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diff changeset
368 xlsx.write(QString("Z%1").arg(row), text, mFreeTextFmt);
12
21f11f988115 Make sure strings don't start with = and duplicate text instead of formula
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diff changeset
369 xlsx.write(row, 1, text, mFreeTextFmt);
6
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diff changeset
370 row++;
23
927794e3cc52 Add HTML output and some pdf support
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diff changeset
371
6
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diff changeset
372 textMatch = freetxtEx.match(input, cursor);
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diff changeset
373 }
23
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diff changeset
374 for (int i = firstFreeRow; i < row; i++) {
25
e5c5ebfa4205 Refactor to centralise html tags
Andre Heinecke <andre.heinecke@intevation.de>
parents: 23
diff changeset
375 html << mFreeTextStyle.arg(xlsx.read(i, 1).toString().toHtmlEscaped());
23
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diff changeset
376 }
3
8b4c49c92451 Add initial implementation that handles choices
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parents:
diff changeset
377 }
8b4c49c92451 Add initial implementation that handles choices
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parents:
diff changeset
378 /* Insert Empty row. */
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diff changeset
379 xlsx.setRowHeight(row++, CHOICE_ROW_HEIGHT);
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parents:
diff changeset
380 match = questionEx.match(input, cursor);
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diff changeset
381 cursor = match.capturedEnd();
25
e5c5ebfa4205 Refactor to centralise html tags
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diff changeset
382 html << mEmptyRow;
3
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diff changeset
383 }
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parents:
diff changeset
384 xlsx.addConditionalFormatting(bars);
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parents:
diff changeset
385
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parents:
diff changeset
386 if (!foundSomething) {
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Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
387 mErrors << tr("Failed to parse input document.");
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parents:
diff changeset
388 }
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parents:
diff changeset
389
23
927794e3cc52 Add HTML output and some pdf support
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diff changeset
390 html << "</table></body></html>";
38
5354cbda7188 Fix HTML Layout. Support multiple formats at once. More handling.
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diff changeset
391 doc.setHtml(htmlString);
23
927794e3cc52 Add HTML output and some pdf support
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parents: 21
diff changeset
392
38
5354cbda7188 Fix HTML Layout. Support multiple formats at once. More handling.
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diff changeset
393 /* Fixup images for html */
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diff changeset
394 QRegularExpression htmlRe = QRegularExpression("<td style='vertical-align: middle'><img src=\"internal://bar(\\d+).png\"/></td>");
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diff changeset
395 htmlString.replace(htmlRe, QStringLiteral("<td style='background:linear-gradient(to right,"
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Andre Heinecke <andre.heinecke@intevation.de>
parents: 35
diff changeset
396 BAR_COLOR ", " BAR_COLOR " \\1%, #ffffff \\1%)'></td>"));
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Andre Heinecke <andre.heinecke@intevation.de>
parents: 35
diff changeset
397
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diff changeset
398 foreach (QFile *output, outputs) {
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diff changeset
399 const QString fName = output->fileName().toLower();
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400 if (fName.endsWith(".html")) {
5354cbda7188 Fix HTML Layout. Support multiple formats at once. More handling.
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401 QTextStream outstream(output);
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402 outstream << htmlString;
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403 output->close();
5354cbda7188 Fix HTML Layout. Support multiple formats at once. More handling.
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404 } else if (fName.endsWith(".pdf")) {
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405 output->close();
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406 QPrinter printer(QPrinter::PrinterResolution);
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407 printer.setOutputFormat(QPrinter::PdfFormat);
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408 printer.setPaperSize(QPrinter::A4);
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409 printer.setOutputFileName(output->fileName());
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410 /*
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411 QPageLayout layout = printer.pageLayout();
5354cbda7188 Fix HTML Layout. Support multiple formats at once. More handling.
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412 layout.setUnits(QPageLayout::Millimeter);
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413 layout.setMargins(QMarginsF(20, 20, 20, 20));
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414 printer.setPageLayout(layout);
5354cbda7188 Fix HTML Layout. Support multiple formats at once. More handling.
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415 doc.setPageSize(printer.pageRect().size());
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Andre Heinecke <andre.heinecke@intevation.de>
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416 */
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Andre Heinecke <andre.heinecke@intevation.de>
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417 doc.print(&printer);
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Andre Heinecke <andre.heinecke@intevation.de>
parents: 35
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418 } else {
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419 if (!xlsx.saveAs(output)) {
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420 mErrors << tr("Saving the XLSX document failed.");
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Andre Heinecke <andre.heinecke@intevation.de>
parents: 35
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421 }
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Andre Heinecke <andre.heinecke@intevation.de>
parents: 35
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422 output->close();
5354cbda7188 Fix HTML Layout. Support multiple formats at once. More handling.
Andre Heinecke <andre.heinecke@intevation.de>
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423 }
23
927794e3cc52 Add HTML output and some pdf support
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
424 }
3
8b4c49c92451 Add initial implementation that handles choices
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
425 }
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