Add data validation read/write support

2013-10-29 16:54:26 +08:00
parent 5adda5735a
commit e283a0af7f
16 changed files with 947 additions and 4 deletions
@@ -0,0 +1,9 @@
+TARGET = datavalidation
+
+#include(../../../src/xlsx/qtxlsx.pri)
+QT+=xlsx
+
+CONFIG   += console
+CONFIG   -= app_bundle
+
+SOURCES += main.cpp
@@ -0,0 +1,22 @@
+#include <QtCore>
+#include "xlsxdocument.h"
+#include "xlsxdatavalidation.h"
+
+QTXLSX_USE_NAMESPACE
+
+int main()
+{
+    Document xlsx;
+    xlsx.write("A1", "A2 and A3:E5 only accept the number between 33 and 99");
+
+    //![1]
+    DataValidation validation(DataValidation::Whole, DataValidation::Between, "33", "99");
+    validation.addRange("A2");
+    validation.addRange("A3:E5");
+    validation.setPromptMessage("Please Input Integer between 33 and 99");
+    xlsx.addDataValidation(validation);
+    //![1]
+
+    xlsx.save();
+    return 0;
+}
@@ -5,5 +5,6 @@ SUBDIRS = hello style \
    mergecells \
    rowcolumn \
    numberformat \
-    readwrite
+    readwrite \
+    datavalidation

@@ -28,7 +28,10 @@ HEADERS += $$PWD/xlsxdocpropscore_p.h \
    $$PWD/xlsxdocument.h \
    $$PWD/xlsxdocument_p.h \
    $$PWD/xlsxcell.h \
-    $$PWD/xlsxcell_p.h
+    $$PWD/xlsxcell_p.h \
+    $$PWD/xlsxdatavalidation.h \
+    $$PWD/xlsxdatavalidation_p.h \
+    $$PWD/xlsxcellrange.h

 SOURCES += $$PWD/xlsxdocpropscore.cpp \
    $$PWD/xlsxdocpropsapp.cpp \
@@ -48,4 +51,6 @@ SOURCES += $$PWD/xlsxdocpropscore.cpp \
    $$PWD/xlsxxmlreader.cpp \
    $$PWD/xlsxzipreader.cpp \
    $$PWD/xlsxdocument.cpp \
-    $$PWD/xlsxcell.cpp
+    $$PWD/xlsxcell.cpp \
+    $$PWD/xlsxdatavalidation.cpp \
+    $$PWD/xlsxcellrange.cpp
@@ -23,6 +23,8 @@
 **
 ****************************************************************************/
 #ifndef XLSXCELL_P_H
+#define XLSXCELL_P_H
+
 #include "xlsxglobal.h"
 #include "xlsxcell.h"

@@ -44,6 +46,5 @@ public:
 };

 QT_END_NAMESPACE_XLSX
-#define XLSXCELL_P_H

 #endif // XLSXCELL_P_H
@@ -0,0 +1,119 @@
+/****************************************************************************
+** Copyright (c) 2013 Debao Zhang <hello@debao.me>
+** All right reserved.
+**
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+****************************************************************************/
+#include "xlsxcellrange.h"
+#include "xlsxutility_p.h"
+#include <QString>
+#include <QPoint>
+#include <QStringList>
+QT_BEGIN_NAMESPACE_XLSX
+/*!
+    \class CellRange
+
+    \brief The CellRange class provides a way to
+
+    \inmodule QtXlsx
+
+    The CellRange class stores the top left and bottom
+    right rows and columns of a range in a worksheet.
+*/
+
+/*!
+    Constructs an range, i.e. a range
+    whose rowCount() and columnCount() are 0.
+*/
+CellRange::CellRange()
+    : top(-1), left(-1), bottom(-2), right(-2)
+{
+}
+
+/*!
+    Constructs the range from the given \a top, \a
+    left, \a bottom and \a right rows and columns.
+
+    \sa topRow(), leftColumn(), bottomRow(), rightColumn()
+*/
+CellRange::CellRange(int top, int left, int bottom, int right)
+    : top(top), left(left), bottom(bottom), right(right)
+{
+}
+
+/*!
+    \overload
+    Constructs the range form the given \a range string.
+*/
+CellRange::CellRange(const QString &range)
+{
+    QStringList rs = range.split(QLatin1Char(':'));
+    if (rs.size() == 2) {
+        QPoint start = xl_cell_to_rowcol(rs[0]);
+        QPoint end = xl_cell_to_rowcol(rs[1]);
+        top = start.x();
+        left = start.y();
+        bottom = end.x();
+        right = end.y();
+    } else {
+        QPoint p = xl_cell_to_rowcol(rs[0]);
+        top = p.x();
+        left = p.y();
+        bottom = p.x();
+        right = p.y();
+    }
+}
+
+/*!
+    Constructs a the range by copying the given \a
+    other range.
+*/
+CellRange::CellRange(const CellRange &other)
+    : top(other.top), left(other.left), bottom(other.bottom), right(other.right)
+{
+}
+
+/*!
+    Destroys the range.
+*/
+CellRange::~CellRange()
+{
+}
+
+/*!
+     Convert the range to string notation, such as "A1:B5".
+*/
+QString CellRange::toString() const
+{
+    if (left == -1 || top == -1)
+        return QString();
+
+    if (left == right && top == bottom) {
+        //Single cell
+        return xl_rowcol_to_cell(top, left);
+    }
+
+    QString cell_1 = xl_rowcol_to_cell(top, left);
+    QString cell_2 = xl_rowcol_to_cell(bottom, right);
+    return cell_1 + QLatin1String(":") + cell_2;
+}
+
+QT_END_NAMESPACE_XLSX
@@ -0,0 +1,54 @@
+/****************************************************************************
+** Copyright (c) 2013 Debao Zhang <hello@debao.me>
+** All right reserved.
+**
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+****************************************************************************/
+#ifndef QXLSX_XLSXCELLRANGE_H
+#define QXLSX_XLSXCELLRANGE_H
+#include "xlsxglobal.h"
+
+QT_BEGIN_NAMESPACE_XLSX
+
+class Q_XLSX_EXPORT CellRange
+{
+public:
+    CellRange();
+    CellRange(int firstRow, int firstColumn, int lastRow, int lastColumn);
+    CellRange(const QString &range);
+    CellRange(const CellRange &other);
+    ~CellRange();
+
+    QString toString() const;
+    inline int firstRow() const { return top; }
+    inline int lastRow() const { return bottom; }
+    inline int firstColumn() const { return left; }
+    inline int lastColumn() const { return right; }
+    inline int rowCount() const { return bottom - top + 1; }
+    inline int columnCount() const { return right - left + 1; }
+
+private:
+    int top, left, bottom, right;
+};
+
+QT_END_NAMESPACE_XLSX
+
+#endif // QXLSX_XLSXCELLRANGE_H
@@ -0,0 +1,302 @@
+/****************************************************************************
+** Copyright (c) 2013 Debao Zhang <hello@debao.me>
+** All right reserved.
+**
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+****************************************************************************/
+
+#include "xlsxdatavalidation.h"
+#include "xlsxdatavalidation_p.h"
+#include "xlsxworksheet.h"
+#include "xlsxcellrange.h"
+
+QT_BEGIN_NAMESPACE_XLSX
+
+DataValidationPrivate::DataValidationPrivate()
+    :validationType(DataValidation::None), validationOperator(DataValidation::Between)
+    , errorStyle(DataValidation::Stop), allowBlank(false), isPromptMessageVisible(true)
+    , isErrorMessageVisible(true)
+{
+
+}
+
+DataValidationPrivate::DataValidationPrivate(DataValidation::ValidationType type, DataValidation::ValidationOperator op, const QString &formula1, const QString &formula2, bool allowBlank)
+    :validationType(type), validationOperator(op)
+    , errorStyle(DataValidation::Stop), allowBlank(allowBlank), isPromptMessageVisible(true)
+    , isErrorMessageVisible(true), formula1(formula1), formula2(formula2)
+{
+
+}
+
+DataValidationPrivate::DataValidationPrivate(const DataValidationPrivate &other)
+    :QSharedData(other)
+    , validationType(DataValidation::None), validationOperator(DataValidation::Between)
+    , errorStyle(DataValidation::Stop), allowBlank(false), isPromptMessageVisible(true)
+    , isErrorMessageVisible(true)
+{
+
+}
+
+DataValidationPrivate::~DataValidationPrivate()
+{
+
+}
+
+/*!
+ * \class DataValidation
+ *
+ * The data validation can be applied to a single cell or a range of cells.
+ */
+
+/*!
+ * \enum DataValidation::ValidationType
+ *
+ * The enum type defines the type of data that you wish to validate.
+ *
+ * \value None the type of data is unrestricted. This is the same as not applying a data validation.
+ * \value Whole restricts the cell to integer values. Means "Whole number"?
+ * \value Decimal restricts the cell to decimal values.
+ * \value List restricts the cell to a set of user specified values.
+ * \value Date restricts the cell to date values.
+ * \value Time restricts the cell to time values.
+ * \value TextLength restricts the cell data based on an integer string length.
+ * \value Custom restricts the cell based on an external Excel formula that returns a true/false value.
+ */
+
+/*!
+ * \enum DataValidation::ValidationOperator
+ *
+ *  The enum type defines the criteria by which the data in the
+ *  cell is validated
+ *
+ * \value Between
+ * \value NotBetween
+ * \value Equal
+ * \value NotEqual
+ * \value LessThan
+ * \value LessThanOrEqual
+ * \value GreaterThan
+ * \value GreaterThanOrEqual
+ */
+
+/*!
+ * \enum DataValidation::ErrorStyle
+ *
+ *  The enum type defines the type of error dialog that
+ *  is displayed.
+ *
+ * \value Error
+ * \value Warning
+ * \value Information
+ */
+
+/*!
+ * Construct a data validation object
+ */
+DataValidation::DataValidation(ValidationType type, ValidationOperator op, const QString &formula1, const QString &formula2, bool allowBlank)
+    :d(new DataValidationPrivate(type, op, formula1, formula2, allowBlank))
+{
+
+}
+
+/*!
+    Construct a data validation object
+*/
+DataValidation::DataValidation()
+    :d(new DataValidationPrivate())
+{
+
+}
+
+/*!
+    \internal
+*/
+DataValidation::DataValidation(const DataValidation &other)
+    :d(other.d)
+{
+
+}
+
+/*!
+ * Destroy the object.
+ */
+DataValidation::~DataValidation()
+{
+}
+
+DataValidation::ValidationType DataValidation::validationType() const
+{
+    return d->validationType;
+}
+
+DataValidation::ValidationOperator DataValidation::validationOperator() const
+{
+    return d->validationOperator;
+}
+
+DataValidation::ErrorStyle DataValidation::errorStyle() const
+{
+    return d->errorStyle;
+}
+
+QString DataValidation::formula1() const
+{
+    return d->formula1;
+}
+
+QString DataValidation::formula2() const
+{
+    return d->formula2;
+}
+
+bool DataValidation::allowBlank() const
+{
+    return d->allowBlank;
+}
+
+QString DataValidation::errorMessage() const
+{
+    return d->errorMessage;
+}
+
+QString DataValidation::errorMessageTitle() const
+{
+    return d->errorMessageTitle;
+}
+
+QString DataValidation::promptMessage() const
+{
+    return d->promptMessage;
+}
+
+QString DataValidation::promptMessageTitle() const
+{
+    return d->promptMessageTitle;
+}
+
+bool DataValidation::isPromptMessageVisible() const
+{
+    return d->isPromptMessageVisible;
+}
+
+bool DataValidation::isErrorMessageVisible() const
+{
+    return d->isErrorMessageVisible;
+}
+
+QList<CellRange> DataValidation::ranges() const
+{
+    return d->ranges;
+}
+
+void DataValidation::setValidationType(DataValidation::ValidationType type)
+{
+    d->validationType = type;
+}
+
+void DataValidation::setValidationOperator(DataValidation::ValidationOperator op)
+{
+    d->validationOperator = op;
+}
+
+void DataValidation::setErrorStyle(DataValidation::ErrorStyle es)
+{
+    d->errorStyle = es;
+}
+
+void DataValidation::setFormula1(const QString &formula)
+{
+    d->formula1 = formula;
+}
+
+void DataValidation::setFormula2(const QString &formula)
+{
+    d->formula2 = formula;
+}
+
+void DataValidation::setErrorMessage(const QString &error, const QString &title)
+{
+    d->errorMessage = error;
+    d->errorMessageTitle = title;
+}
+
+void DataValidation::setPromptMessage(const QString &prompt, const QString &title)
+{
+    d->promptMessage = prompt;
+    d->promptMessageTitle = title;
+}
+
+void DataValidation::setAllowBlank(bool enable)
+{
+    d->allowBlank = enable;
+}
+
+void DataValidation::setPromptMessageVisible(bool visible)
+{
+    d->isPromptMessageVisible = visible;
+}
+
+void DataValidation::setErrorMessageVisible(bool visible)
+{
+    d->isErrorMessageVisible = visible;
+}
+
+/*!
+    Add the \a cell which the DataValidation will apply to.
+ */
+void DataValidation::addCell(const QString &cell)
+{
+    d->ranges.append(CellRange(cell));
+}
+
+/*!
+    \overload
+ */
+void DataValidation::addCell(int row, int col)
+{
+    d->ranges.append(CellRange(row, col, row, col));
+}
+
+/*!
+    Add the \a range which the DataValidation will apply to.
+ */
+void DataValidation::addRange(const QString &range)
+{
+    d->ranges.append(CellRange(range));
+}
+
+/*!
+    \overload
+ */
+void DataValidation::addRange(int firstRow, int firstCol, int lastRow, int lastCol)
+{
+    d->ranges.append(CellRange(firstRow, firstCol, lastRow, lastCol));
+}
+
+/*!
+    \overload
+ */
+void DataValidation::addRange(const CellRange &range)
+{
+    d->ranges.append(range);
+}
+
+QT_END_NAMESPACE_XLSX
@@ -0,0 +1,118 @@
+/****************************************************************************
+** Copyright (c) 2013 Debao Zhang <hello@debao.me>
+** All right reserved.
+**
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+****************************************************************************/
+#ifndef QXLSX_XLSXDATAVALIDATION_H
+#define QXLSX_XLSXDATAVALIDATION_H
+
+#include "xlsxglobal.h"
+#include <QSharedDataPointer>
+#include <QString>
+#include <QList>
+
+QT_BEGIN_NAMESPACE_XLSX
+
+class Worksheet;
+class CellRange;
+
+class DataValidationPrivate;
+class Q_XLSX_EXPORT DataValidation
+{
+public:
+    enum ValidationType
+    {
+        None,
+        Whole,
+        Decimal,
+        List,
+        Date,
+        Time,
+        TextLength,
+        Custom
+    };
+
+    enum ValidationOperator
+    {
+        Between,
+        NotBetween,
+        Equal,
+        NotEqual,
+        LessThan,
+        LessThanOrEqual,
+        GreaterThan,
+        GreaterThanOrEqual
+    };
+
+    enum ErrorStyle
+    {
+        Stop,
+        Warning,
+        Information
+    };
+
+    DataValidation();
+    DataValidation(ValidationType type, ValidationOperator op=Between, const QString &formula1=QString()
+            , const QString &formula2=QString(), bool allowBlank=false);
+    DataValidation(const DataValidation &other);
+    ~DataValidation();
+
+    ValidationType validationType() const;
+    ValidationOperator validationOperator() const;
+    ErrorStyle errorStyle() const;
+    QString formula1() const;
+    QString formula2() const;
+    bool allowBlank() const;
+    QString errorMessage() const;
+    QString errorMessageTitle() const;
+    QString promptMessage() const;
+    QString promptMessageTitle() const;
+    bool isPromptMessageVisible() const;
+    bool isErrorMessageVisible() const;
+    QList<CellRange> ranges() const;
+
+    void setValidationType(ValidationType type);
+    void setValidationOperator(ValidationOperator op);
+    void setErrorStyle(ErrorStyle es);
+    void setFormula1(const QString &formula);
+    void setFormula2(const QString &formula);
+    void setErrorMessage(const QString &error, const QString &title=QString());
+    void setPromptMessage(const QString &prompt, const QString &title=QString());
+    void setAllowBlank(bool enable);
+    void setPromptMessageVisible(bool visible);
+    void setErrorMessageVisible(bool visible);
+
+    void addCell(const QString &cell);
+    void addCell(int row, int col);
+    void addRange(const QString &range);
+    void addRange(int firstRow, int firstCol, int lastRow, int lastCol);
+    void addRange(const CellRange &range);
+
+    //needed by QSharedDataPointer!!
+    DataValidation &operator=(const DataValidation &other);
+private:
+    QSharedDataPointer<DataValidationPrivate> d;
+};
+
+QT_END_NAMESPACE_XLSX
+
+#endif // QXLSX_XLSXDATAVALIDATION_H
@@ -0,0 +1,57 @@
+/****************************************************************************
+** Copyright (c) 2013 Debao Zhang <hello@debao.me>
+** All right reserved.
+**
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+****************************************************************************/
+
+#ifndef XLSXDATAVALIDATION_P_H
+#define XLSXDATAVALIDATION_P_H
+#include "xlsxdatavalidation.h"
+#include <QSharedData>
+
+QT_BEGIN_NAMESPACE_XLSX
+
+class Q_XLSX_EXPORT  DataValidationPrivate : public QSharedData
+{
+public:
+    DataValidationPrivate();
+    DataValidationPrivate(DataValidation::ValidationType type, DataValidation::ValidationOperator op, const QString &formula1, const QString &formula2, bool allowBlank);
+    DataValidationPrivate(const DataValidationPrivate &other);
+    ~DataValidationPrivate();
+
+    DataValidation::ValidationType validationType;
+    DataValidation::ValidationOperator validationOperator;
+    DataValidation::ErrorStyle errorStyle;
+    bool allowBlank;
+    bool isPromptMessageVisible;
+    bool isErrorMessageVisible;
+    QString formula1;
+    QString formula2;
+    QString errorMessage;
+    QString errorMessageTitle;
+    QString promptMessage;
+    QString promptMessageTitle;
+    QList<CellRange> ranges;
+};
+
+QT_END_NAMESPACE_XLSX
+#endif // XLSXDATAVALIDATION_P_H
@@ -182,6 +182,16 @@ bool Document::setColumn(int colFirst, int colLast, double width, Format *format
    return currentWorksheet()->setColumn(colFirst, colLast, width, format, hidden);
 }

+/*!
+ * \brief Add a data validation rule for current worksheet
+ * \param validation
+ * \return
+ */
+bool Document::addDataValidation(const DataValidation &validation)
+{
+    return currentWorksheet()->addDataValidation(validation);
+}
+
 /*!
 * Returns a Cell object based on the given \a pos.
 */
@@ -39,6 +39,7 @@ class Worksheet;
 class Package;
 class Format;
 class Cell;
+class DataValidation;

 class DocumentPrivate;
 class Q_XLSX_EXPORT Document : public QObject
@@ -60,6 +61,7 @@ public:
    int unmergeCells(const QString &range);
    bool setRow(int row, double height, Format* format=0, bool hidden=false);
    bool setColumn(int colFirst, int colLast, double width, Format* format=0, bool hidden=false);
+    bool addDataValidation(const DataValidation &validation);

    Cell *cellAt(const QString &cell) const;
    Cell *cellAt(int row, int col) const;
@@ -34,6 +34,7 @@
 #include "xlsxstyles_p.h"
 #include "xlsxcell.h"
 #include "xlsxcell_p.h"
+#include "xlsxcellrange.h"

 #include <QVariant>
 #include <QDateTime>
@@ -526,6 +527,16 @@ int Worksheet::writeHyperlink(int row, int column, const QUrl &url, Format *form
    return error;
 }

+bool Worksheet::addDataValidation(const DataValidation &validation)
+{
+    Q_D(Worksheet);
+    if (validation.ranges().isEmpty() || validation.validationType()==DataValidation::None)
+        return false;
+
+    d->dataValidationsList.append(validation);
+    return true;
+}
+
 int Worksheet::insertImage(int row, int column, const QImage &image, const QPointF &offset, double xScale, double yScale)
 {
    Q_D(Worksheet);
@@ -673,6 +684,7 @@ void Worksheet::saveToXmlFile(QIODevice *device)
    writer.writeEndElement();//sheetData

    d->writeMergeCells(writer);
+    d->writeDataValidation(writer);
    d->writeHyperlinks(writer);
    d->writeDrawings(writer);

@@ -791,6 +803,82 @@ void WorksheetPrivate::writeMergeCells(XmlStreamWriter &writer)
    writer.writeEndElement(); //mergeCells
 }

+void WorksheetPrivate::writeDataValidation(XmlStreamWriter &writer)
+{
+    if (dataValidationsList.isEmpty())
+        return;
+
+    static QMap<DataValidation::ValidationType, QString> typeMap;
+    static QMap<DataValidation::ValidationOperator, QString> opMap;
+    static QMap<DataValidation::ErrorStyle, QString> esMap;
+    if (typeMap.isEmpty()) {
+        typeMap.insert(DataValidation::None, QStringLiteral("none"));
+        typeMap.insert(DataValidation::Whole, QStringLiteral("whole"));
+        typeMap.insert(DataValidation::Decimal, QStringLiteral("decimal"));
+        typeMap.insert(DataValidation::List, QStringLiteral("list"));
+        typeMap.insert(DataValidation::Date, QStringLiteral("date"));
+        typeMap.insert(DataValidation::Time, QStringLiteral("time"));
+        typeMap.insert(DataValidation::TextLength, QStringLiteral("textLength"));
+        typeMap.insert(DataValidation::Custom, QStringLiteral("custom"));
+
+        opMap.insert(DataValidation::Between, QStringLiteral("between"));
+        opMap.insert(DataValidation::NotBetween, QStringLiteral("notBetween"));
+        opMap.insert(DataValidation::Equal, QStringLiteral("equal"));
+        opMap.insert(DataValidation::NotEqual, QStringLiteral("notEqual"));
+        opMap.insert(DataValidation::LessThan, QStringLiteral("lessThan"));
+        opMap.insert(DataValidation::LessThanOrEqual, QStringLiteral("lessThanOrEqual"));
+        opMap.insert(DataValidation::GreaterThan, QStringLiteral("greaterThan"));
+        opMap.insert(DataValidation::GreaterThanOrEqual, QStringLiteral("greaterThanOrEqual"));
+
+        esMap.insert(DataValidation::Stop, QStringLiteral("stop"));
+        esMap.insert(DataValidation::Warning, QStringLiteral("warning"));
+        esMap.insert(DataValidation::Information, QStringLiteral("information"));
+    }
+
+    writer.writeStartElement(QStringLiteral("dataValidations"));
+    writer.writeAttribute(QStringLiteral("count"), QString::number(dataValidationsList.size()));
+
+    foreach (DataValidation validation, dataValidationsList) {
+        writer.writeStartElement(QStringLiteral("dataValidation"));
+        if (validation.validationType() != DataValidation::None)
+            writer.writeAttribute(QStringLiteral("type"), typeMap[validation.validationType()]);
+        if (validation.errorStyle() != DataValidation::Stop)
+            writer.writeAttribute(QStringLiteral("errorStyle"), esMap[validation.errorStyle()]);
+        if (validation.validationOperator() != DataValidation::Between)
+            writer.writeAttribute(QStringLiteral("operator"), opMap[validation.validationOperator()]);
+        if (validation.allowBlank())
+            writer.writeAttribute(QStringLiteral("allowBlank"), QStringLiteral("1"));
+//        if (validation.dropDownVisible())
+//            writer.writeAttribute(QStringLiteral("showDropDown"), QStringLiteral("1"));
+        if (validation.isPromptMessageVisible())
+            writer.writeAttribute(QStringLiteral("showInputMessage"), QStringLiteral("1"));
+        if (validation.isErrorMessageVisible())
+            writer.writeAttribute(QStringLiteral("showErrorMessage"), QStringLiteral("1"));
+        if (!validation.errorMessageTitle().isEmpty())
+            writer.writeAttribute(QStringLiteral("errorTitle"), validation.errorMessageTitle());
+        if (!validation.errorMessage().isEmpty())
+            writer.writeAttribute(QStringLiteral("error"), validation.errorMessage());
+        if (!validation.promptMessageTitle().isEmpty())
+            writer.writeAttribute(QStringLiteral("promptTitle"), validation.promptMessageTitle());
+        if (!validation.promptMessage().isEmpty())
+            writer.writeAttribute(QStringLiteral("prompt"), validation.promptMessage());
+
+        QStringList sqref;
+        foreach (CellRange range, validation.ranges())
+            sqref.append(range.toString());
+        writer.writeAttribute(QStringLiteral("sqref"), sqref.join(QLatin1Char(' ')));
+
+        if (!validation.formula1().isEmpty())
+            writer.writeTextElement(QStringLiteral("formula1"), validation.formula1());
+        if (!validation.formula2().isEmpty())
+            writer.writeTextElement(QStringLiteral("formula2"), validation.formula2());
+
+        writer.writeEndElement(); //dataValidation
+    }
+
+    writer.writeEndElement(); //dataValidations
+}
+
 void WorksheetPrivate::writeHyperlinks(XmlStreamWriter &writer)
 {
    if (urlTable.isEmpty())
@@ -1374,6 +1462,116 @@ void WorksheetPrivate::readMergeCells(XmlStreamReader &reader)
        qDebug("read merge cells error");
 }

+void WorksheetPrivate::readDataValidations(XmlStreamReader &reader)
+{
+    Q_ASSERT(reader.name() == QLatin1String("dataValidations"));
+    QXmlStreamAttributes attributes = reader.attributes();
+    int count = attributes.value(QLatin1String("count")).toInt();
+
+    while(!(reader.name() == QLatin1String("dataValidations")
+            && reader.tokenType() == QXmlStreamReader::EndElement)) {
+        reader.readNextStartElement();
+        if (reader.tokenType() == QXmlStreamReader::StartElement
+                && reader.name() == QLatin1String("dataValidation")) {
+            readDataValidation(reader);
+        }
+    }
+
+    if (dataValidationsList.size() != count)
+        qDebug("read data validation error");
+}
+
+void WorksheetPrivate::readDataValidation(XmlStreamReader &reader)
+{
+    Q_ASSERT(reader.name() == QLatin1String("dataValidation"));
+
+    static QMap<QString, DataValidation::ValidationType> typeMap;
+    static QMap<QString, DataValidation::ValidationOperator> opMap;
+    static QMap<QString, DataValidation::ErrorStyle> esMap;
+    if (typeMap.isEmpty()) {
+        typeMap.insert(QStringLiteral("none"), DataValidation::None);
+        typeMap.insert(QStringLiteral("whole"), DataValidation::Whole);
+        typeMap.insert(QStringLiteral("decimal"), DataValidation::Decimal);
+        typeMap.insert(QStringLiteral("list"), DataValidation::List);
+        typeMap.insert(QStringLiteral("date"), DataValidation::Date);
+        typeMap.insert(QStringLiteral("time"), DataValidation::Time);
+        typeMap.insert(QStringLiteral("textLength"), DataValidation::TextLength);
+        typeMap.insert(QStringLiteral("custom"), DataValidation::Custom);
+
+        opMap.insert(QStringLiteral("between"), DataValidation::Between);
+        opMap.insert(QStringLiteral("notBetween"), DataValidation::NotBetween);
+        opMap.insert(QStringLiteral("equal"), DataValidation::Equal);
+        opMap.insert(QStringLiteral("notEqual"), DataValidation::NotEqual);
+        opMap.insert(QStringLiteral("lessThan"), DataValidation::LessThan);
+        opMap.insert(QStringLiteral("lessThanOrEqual"), DataValidation::LessThanOrEqual);
+        opMap.insert(QStringLiteral("greaterThan"), DataValidation::GreaterThan);
+        opMap.insert(QStringLiteral("greaterThanOrEqual"), DataValidation::GreaterThanOrEqual);
+
+        esMap.insert(QStringLiteral("stop"), DataValidation::Stop);
+        esMap.insert(QStringLiteral("warning"), DataValidation::Warning);
+        esMap.insert(QStringLiteral("information"), DataValidation::Information);
+    }
+
+    DataValidation validation;
+    QXmlStreamAttributes attrs = reader.attributes();
+
+    QString sqref = attrs.value(QLatin1String("sqref")).toString();
+    foreach (QString range, sqref.split(QLatin1Char(' ')))
+        validation.addRange(range);
+
+    if (attrs.hasAttribute(QLatin1String("type"))) {
+        QString t = attrs.value(QLatin1String("type")).toString();
+        validation.setValidationType(typeMap.contains(t) ? typeMap[t] : DataValidation::None);
+    }
+    if (attrs.hasAttribute(QLatin1String("errorStyle"))) {
+        QString es = attrs.value(QLatin1String("errorStyle")).toString();
+        validation.setErrorStyle(esMap.contains(es) ? esMap[es] : DataValidation::Stop);
+    }
+    if (attrs.hasAttribute(QLatin1String("operator"))) {
+        QString op = attrs.value(QLatin1String("operator")).toString();
+        validation.setValidationOperator(opMap.contains(op) ? opMap[op] : DataValidation::Between);
+    }
+    if (attrs.hasAttribute(QLatin1String("allowBlank"))) {
+        validation.setAllowBlank(true);
+    } else {
+        validation.setAllowBlank(false);
+    }
+    if (attrs.hasAttribute(QLatin1String("showInputMessage"))) {
+        validation.setPromptMessageVisible(true);
+    } else {
+        validation.setPromptMessageVisible(false);
+    }
+    if (attrs.hasAttribute(QLatin1String("showErrorMessage"))) {
+        validation.setErrorMessageVisible(true);
+    } else {
+        validation.setErrorMessageVisible(false);
+    }
+
+    QString et = attrs.value(QLatin1String("errorTitle")).toString();
+    QString e = attrs.value(QLatin1String("error")).toString();
+    if (!e.isEmpty() || !et.isEmpty())
+        validation.setErrorMessage(e, et);
+
+    QString pt = attrs.value(QLatin1String("promptTitle")).toString();
+    QString p = attrs.value(QLatin1String("prompt")).toString();
+    if (!p.isEmpty() || !pt.isEmpty())
+        validation.setPromptMessage(p, pt);
+
+    //find the end
+    while(!(reader.name() == QLatin1String("dataValidation") && reader.tokenType() == QXmlStreamReader::EndElement)) {
+        reader.readNextStartElement();
+        if (reader.tokenType() == QXmlStreamReader::StartElement) {
+            if (reader.name() == QLatin1String("formula1")) {
+                validation.setFormula1(reader.readElementText());
+            } else if (reader.name() == QLatin1String("formula2")) {
+                validation.setFormula2(reader.readElementText());
+            }
+        }
+    }
+
+    dataValidationsList.append(validation);
+}
+
 bool Worksheet::loadFromXmlFile(QIODevice *device)
 {
    Q_D(Worksheet);
@@ -1409,6 +1607,8 @@ bool Worksheet::loadFromXmlFile(QIODevice *device)
                d->readSheetData(reader);
            } else if (reader.name() == QLatin1String("mergeCells")) {
                d->readMergeCells(reader);
+            } else if (reader.name() == QLatin1String("dataValidations")) {
+                d->readDataValidations(reader);
            }
        }
    }
@@ -43,6 +43,7 @@ class Package;
 class Workbook;
 class Format;
 class Drawing;
+class DataValidation;
 struct XlsxImageData;

 class WorksheetPrivate;
@@ -61,6 +62,8 @@ public:
    int writeDateTime(int row, int column, const QDateTime& dt, Format *format=0);
    int writeHyperlink(int row, int column, const QUrl &url, Format *format=0, const QString &display=QString(), const QString &tip=QString());

+    bool addDataValidation(const DataValidation &validation);
+
    Cell *cellAt(const QString &row_column) const;
    Cell *cellAt(int row, int column) const;

@@ -27,6 +27,7 @@
 #include "xlsxglobal.h"
 #include "xlsxworksheet.h"
 #include "xlsxcell.h"
+#include "xlsxdatavalidation.h"

 #include <QImage>
 #include <QSharedPointer>
@@ -177,6 +178,7 @@ public:
    void writeMergeCells(XmlStreamWriter &writer);
    void writeHyperlinks(XmlStreamWriter &writer);
    void writeDrawings(XmlStreamWriter &writer);
+    void writeDataValidation(XmlStreamWriter &writer);
    int rowPixelsSize(int row);
    int colPixelsSize(int col);
    XlsxObjectPositionData objectPixelsPosition(int col_start, int row_start, double x1, double y1, double width, double height);
@@ -186,6 +188,8 @@ public:
    void readSheetData(XmlStreamReader &reader);
    void readColumnsInfo(XmlStreamReader &reader);
    void readMergeCells(XmlStreamReader &reader);
+    void readDataValidations(XmlStreamReader &reader);
+    void readDataValidation(XmlStreamReader &reader);

    SharedStrings *sharedStrings() const;

@@ -203,6 +207,8 @@ public:
    QMap<int, QSharedPointer<XlsxColumnInfo> > colsInfoHelper;
    QList<QPair<QString, QString> > drawingLinks;

+    QList<DataValidation> dataValidationsList;
+
    int xls_rowmax;
    int xls_colmax;
    int xls_strmax;
@@ -3,6 +3,7 @@

 #include "xlsxworksheet.h"
 #include "xlsxcell.h"
+#include "xlsxdatavalidation.h"
 #include "private/xlsxworksheet_p.h"
 #include "private/xlsxxmlreader_p.h"
 #include "private/xlsxsharedstrings_p.h"
@@ -24,6 +25,7 @@ private Q_SLOTS:

    void testWriteCells();
    void testWriteHyperlinks();
+    void testWriteDataValidations();
    void testMerge();
    void testUnMerge();

@@ -31,6 +33,7 @@ private Q_SLOTS:
    void testReadColsInfo();
    void testReadRowsInfo();
    void testReadMergeCells();
+    void testReadDataValidations();
 };

 WorksheetTest::WorksheetTest()
@@ -164,6 +167,20 @@ void WorksheetTest::testWriteHyperlinks()
    QCOMPARE(sheet.d_ptr->sharedStrings()->getSharedString(4), QStringLiteral("xyz@debao.me?subject=Test"));
 }

+void WorksheetTest::testWriteDataValidations()
+{
+    QXlsx::Worksheet sheet("", 1, 0);
+    QXlsx::DataValidation validation(QXlsx::DataValidation::Whole);
+    validation.setFormula1("10");
+    validation.setFormula2("100");
+    validation.addCell("A1");
+    validation.addCell("C2:C4");
+    sheet.addDataValidation(validation);
+
+    QByteArray xmldata = sheet.saveToXmlData();
+    QVERIFY(xmldata.contains("<dataValidation type=\"whole\" showInputMessage=\"1\" showErrorMessage=\"1\" sqref=\"A1 C2:C4\"><formula1>10</formula1><formula2>100</formula2></dataValidation>"));
+ }
+
 void WorksheetTest::testMerge()
 {
    QXlsx::Worksheet sheet("", 1, 0);
@@ -285,6 +302,23 @@ void WorksheetTest::testReadMergeCells()
    QCOMPARE(sheet.d_ptr->merges[0].row_end, 4);
 }

+void WorksheetTest::testReadDataValidations()
+{
+    const QByteArray xmlData = "<dataValidations count=\"2\">"
+            "<dataValidation type=\"whole\" showInputMessage=\"1\" showErrorMessage=\"1\" sqref=\"A1 C2:C4\"><formula1>10</formula1><formula2>100</formula2></dataValidation>"
+            "<dataValidation type=\"whole\" showInputMessage=\"1\" showErrorMessage=\"1\" sqref=\"A1 C2:C4\"><formula1>10</formula1><formula2>100</formula2></dataValidation>"
+            "</dataValidations>";
+
+    QXlsx::XmlStreamReader reader(xmlData);
+    reader.readNextStartElement();//current node is dataValidations
+
+    QXlsx::Worksheet sheet("", 1, 0);
+    sheet.d_ptr->readDataValidations(reader);
+
+    QCOMPARE(sheet.d_ptr->dataValidationsList.size(), 2);
+    QCOMPARE(sheet.d_ptr->dataValidationsList[0].validationType(), QXlsx::DataValidation::Whole);
+}
+
 QTEST_APPLESS_MAIN(WorksheetTest)

 #include "tst_worksheet.moc"