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annotate src/xlsx/xlsxchartsheet.cpp @ 39:41cd27a64365

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Write empty columns for XSLX to avoid strange 0 formatting Excel shows a pretty large bar for zero values
author Andre Heinecke <andre.heinecke@intevation.de>
date Fri, 15 Apr 2016 15:24:07 +0200
parents 93d3106bb9a4
children
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1
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1 /****************************************************************************
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2 ** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
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3 ** All right reserved.
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4 **
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5 ** Permission is hereby granted, free of charge, to any person obtaining
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6 ** a copy of this software and associated documentation files (the
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7 ** "Software"), to deal in the Software without restriction, including
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8 ** without limitation the rights to use, copy, modify, merge, publish,
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9 ** distribute, sublicense, and/or sell copies of the Software, and to
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10 ** permit persons to whom the Software is furnished to do so, subject to
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11 ** the following conditions:
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12 **
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13 ** The above copyright notice and this permission notice shall be
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14 ** included in all copies or substantial portions of the Software.
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15 **
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16 ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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17 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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18 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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19 ** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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20 ** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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21 ** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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22 ** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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23 **
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24 ****************************************************************************/
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25 #include "xlsxchartsheet.h"
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26 #include "xlsxchartsheet_p.h"
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27 #include "xlsxworkbook.h"
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28 #include "xlsxutility_p.h"
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29 #include "xlsxdrawing_p.h"
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30 #include "xlsxdrawinganchor_p.h"
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31 #include "xlsxchart.h"
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32
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33 #include <QXmlStreamReader>
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34 #include <QXmlStreamWriter>
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35 #include <QDir>
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36
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37 QT_BEGIN_NAMESPACE_XLSX
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38
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39 ChartsheetPrivate::ChartsheetPrivate(Chartsheet *p, Chartsheet::CreateFlag flag)
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40 : AbstractSheetPrivate(p, flag), chart(0)
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41 {
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42
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43 }
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44
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45 ChartsheetPrivate::~ChartsheetPrivate()
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46 {
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47 }
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48
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49 /*!
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50 \class Chartsheet
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51 \inmodule QtXlsx
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52 \brief Represent one chartsheet in the workbook.
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53 */
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54
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55 /*!
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56 * \internal
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57 */
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58 Chartsheet::Chartsheet(const QString &name, int id, Workbook *workbook, CreateFlag flag)
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59 :AbstractSheet(name, id, workbook, new ChartsheetPrivate(this, flag))
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60 {
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61 setSheetType(ST_ChartSheet);
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62
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63 if (flag == Chartsheet::F_NewFromScratch) {
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64 d_func()->drawing = QSharedPointer<Drawing>(new Drawing(this, flag));
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65
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66 DrawingAbsoluteAnchor *anchor = new DrawingAbsoluteAnchor(drawing(), DrawingAnchor::Picture);
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67
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68 anchor->pos = QPoint(0, 0);
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69 anchor->ext = QSize(9293679, 6068786);
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70
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71 QSharedPointer<Chart> chart = QSharedPointer<Chart>(new Chart(this, flag));
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72 chart->setChartType(Chart::CT_Bar);
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73 anchor->setObjectGraphicFrame(chart);
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74
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75 d_func()->chart = chart.data();
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76 }
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77 }
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78
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79 /*!
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80 * \internal
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81 *
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82 * Make a copy of this sheet.
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83 */
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84
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85 Chartsheet *Chartsheet::copy(const QString &distName, int distId) const
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86 {
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87 //:Todo
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88 Q_UNUSED(distName)
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89 Q_UNUSED(distId)
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90 return 0;
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91 }
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92
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93 /*!
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94 * Destroys this workssheet.
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95 */
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96 Chartsheet::~Chartsheet()
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97 {
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98 }
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99
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100 /*!
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101 * Returns the chart object of the sheet.
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102 */
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103 Chart *Chartsheet::chart()
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104 {
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105 Q_D(Chartsheet);
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106
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107 return d->chart;
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108 }
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109
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110 void Chartsheet::saveToXmlFile(QIODevice *device) const
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111 {
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112 Q_D(const Chartsheet);
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113 d->relationships->clear();
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114
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115 QXmlStreamWriter writer(device);
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116
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117 writer.writeStartDocument(QStringLiteral("1.0"), true);
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118 writer.writeDefaultNamespace(QStringLiteral("http://schemas.openxmlformats.org/spreadsheetml/2006/main"));
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119 writer.writeNamespace(QStringLiteral("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), QStringLiteral("r"));
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120 writer.writeStartElement(QStringLiteral("chartsheet"));
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121
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122 writer.writeStartElement(QStringLiteral("sheetViews"));
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123 writer.writeEmptyElement(QStringLiteral("sheetView"));
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124 writer.writeAttribute(QStringLiteral("workbookViewId"), QString::number(0));
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125 writer.writeAttribute(QStringLiteral("zoomToFit"), QStringLiteral("1"));
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126 writer.writeEndElement(); //sheetViews
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127
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128 int idx = d->workbook->drawings().indexOf(d->drawing.data());
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129 d->relationships->addWorksheetRelationship(QStringLiteral("/drawing"), QStringLiteral("../drawings/drawing%1.xml").arg(idx+1));
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130
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131 writer.writeEmptyElement(QStringLiteral("drawing"));
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132 writer.writeAttribute(QStringLiteral("r:id"), QStringLiteral("rId%1").arg(d->relationships->count()));
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133
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134 writer.writeEndElement();//chartsheet
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135 writer.writeEndDocument();
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136 }
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137
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138 bool Chartsheet::loadFromXmlFile(QIODevice *device)
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139 {
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140 Q_D(Chartsheet);
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141
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142 QXmlStreamReader reader(device);
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143 while (!reader.atEnd()) {
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144 reader.readNextStartElement();
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145 if (reader.tokenType() == QXmlStreamReader::StartElement) {
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146 if (reader.name() == QLatin1String("drawing")) {
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147 QString rId = reader.attributes().value(QStringLiteral("r:id")).toString();
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148 QString name = d->relationships->getRelationshipById(rId).target;
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149 QString path = QDir::cleanPath(splitPath(filePath())[0] + QLatin1String("/") + name);
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150 d->drawing = QSharedPointer<Drawing>(new Drawing(this, F_LoadFromExists));
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151 d->drawing->setFilePath(path);
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152 }
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153 }
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154 }
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155
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156 return true;
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157 }
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158
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159 QT_END_NAMESPACE_XLSX
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