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annotate src/xlsx/xlsxdrawing.cpp @ 1:93d3106bb9a4

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Add qt xlsx library
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 22 Mar 2016 10:38:08 +0100
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93d3106bb9a4 Add qt xlsx library
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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
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26 #include "xlsxdrawing_p.h"
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27 #include "xlsxdrawinganchor_p.h"
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28 #include "xlsxabstractsheet.h"
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29
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30 #include <QXmlStreamWriter>
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31 #include <QXmlStreamReader>
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32 #include <QBuffer>
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33
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34 namespace QXlsx {
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35
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36 Drawing::Drawing(AbstractSheet *sheet, CreateFlag flag)
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37 :AbstractOOXmlFile(flag), sheet(sheet)
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38 {
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39 workbook = sheet->workbook();
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40 }
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41
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42 Drawing::~Drawing()
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43 {
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44 qDeleteAll(anchors);
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45 }
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46
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47 void Drawing::saveToXmlFile(QIODevice *device) const
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48 {
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49 relationships()->clear();
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50
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51 QXmlStreamWriter writer(device);
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52
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53 writer.writeStartDocument(QStringLiteral("1.0"), true);
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54 writer.writeStartElement(QStringLiteral("xdr:wsDr"));
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55 writer.writeAttribute(QStringLiteral("xmlns:xdr"), QStringLiteral("http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing"));
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56 writer.writeAttribute(QStringLiteral("xmlns:a"), QStringLiteral("http://schemas.openxmlformats.org/drawingml/2006/main"));
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57
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58 foreach (DrawingAnchor *anchor, anchors)
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59 anchor->saveToXml(writer);
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60
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61 writer.writeEndElement();//xdr:wsDr
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62 writer.writeEndDocument();
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63 }
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64
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65 bool Drawing::loadFromXmlFile(QIODevice *device)
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66 {
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67 QXmlStreamReader reader(device);
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68 while (!reader.atEnd()) {
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69 reader.readNextStartElement();
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70 if (reader.tokenType() == QXmlStreamReader::StartElement) {
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71 if (reader.name() == QLatin1String("absoluteAnchor")) {
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72 DrawingAbsoluteAnchor * anchor = new DrawingAbsoluteAnchor(this);
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73 anchor->loadFromXml(reader);
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74 } else if (reader.name() == QLatin1String("oneCellAnchor")) {
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75 DrawingOneCellAnchor * anchor = new DrawingOneCellAnchor(this);
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76 anchor->loadFromXml(reader);
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77 } else if (reader.name() == QLatin1String("twoCellAnchor")) {
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78 DrawingTwoCellAnchor * anchor = new DrawingTwoCellAnchor(this);
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79 anchor->loadFromXml(reader);
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80 }
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81 }
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82 }
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83
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84 return true;
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85 }
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86
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87 } // namespace QXlsx
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