diff --git a/examples/tablemodelchart/tablewidget.cpp b/examples/tablemodelchart/tablewidget.cpp
index 44ec38a..6b7ace5 100644
--- a/examples/tablemodelchart/tablewidget.cpp
+++ b/examples/tablemodelchart/tablewidget.cpp
@@ -58,10 +58,12 @@ TableWidget::TableWidget(QWidget *parent)
     lineRadioButton = new QRadioButton("Line");
     splineRadioButton = new QRadioButton("Spline");
     scatterRadioButton = new QRadioButton("Scatter");
+    pieRadioButton = new QRadioButton("Pie");
 
     connect(lineRadioButton, SIGNAL(toggled(bool)), this, SLOT(updateChartType()));
     connect(splineRadioButton, SIGNAL(toggled(bool)), this, SLOT(updateChartType()));
     connect(scatterRadioButton, SIGNAL(toggled(bool)), this, SLOT(updateChartType()));
+    connect(pieRadioButton, SIGNAL(toggled(bool)), this, SLOT(updateChartType()));
     lineRadioButton->setChecked(true);
 
     // radio buttons layout
@@ -69,6 +71,7 @@ TableWidget::TableWidget(QWidget *parent)
     radioLayout->addWidget(lineRadioButton);
     radioLayout->addWidget(splineRadioButton);
     radioLayout->addWidget(scatterRadioButton);
+    radioLayout->addWidget(pieRadioButton);
 
     // create main layout
     QGridLayout* mainLayout = new QGridLayout;
@@ -107,8 +110,17 @@ void TableWidget::updateChartType()
         series = new QLineSeries;
     else if (splineRadioButton->isChecked())
         series = new QSplineSeries;
-    else
+    else if (scatterRadioButton->isChecked())
         series = new QScatterSeries;
+    else if (pieRadioButton->isChecked())
+    {
+        QPieSeries* pieSeries = new QPieSeries;
+        pieSeries->setModel(m_model);
+        pieSeries->setModelMapping(0,2, Qt::Vertical);
+        pieSeries->setLabelsVisible(true);
+        chartView->addSeries(pieSeries);
+        return;
+    }
 
     series->setModel(m_model);
     series->setModelMapping(0,1, Qt::Vertical);
diff --git a/examples/tablemodelchart/tablewidget.h b/examples/tablemodelchart/tablewidget.h
index 48ce2c9..5421e0b 100644
--- a/examples/tablemodelchart/tablewidget.h
+++ b/examples/tablemodelchart/tablewidget.h
@@ -35,6 +35,7 @@ public:
     QRadioButton* lineRadioButton;
     QRadioButton* splineRadioButton;
     QRadioButton* scatterRadioButton;
+    QRadioButton* pieRadioButton;
 };
 
 #endif // TABLEWIDGET_H
diff --git a/src/piechart/qpieseries.cpp b/src/piechart/qpieseries.cpp
index c0f311a..2611568 100644
--- a/src/piechart/qpieseries.cpp
+++ b/src/piechart/qpieseries.cpp
@@ -265,7 +265,7 @@ QList<QPieSlice*> QPieSeries::slices() const
 void QPieSeries::setPiePosition(qreal relativeHorizontalPosition, qreal relativeVerticalPosition)
 {
     if (relativeHorizontalPosition < 0.0 || relativeHorizontalPosition > 1.0 ||
-        relativeVerticalPosition < 0.0 || relativeVerticalPosition > 1.0)
+            relativeVerticalPosition < 0.0 || relativeVerticalPosition > 1.0)
         return;
 
     if (m_pieRelativeHorPos != relativeHorizontalPosition || m_pieRelativeVerPos != relativeVerticalPosition) {
@@ -531,6 +531,71 @@ void QPieSeries::updateDerivativeData()
     }
 }
 
+bool QPieSeries::setModel(QAbstractItemModel* model)
+{
+    // disconnect signals from old model
+    if(m_model)
+    {
+        disconnect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), 0, 0);
+        disconnect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), 0, 0);
+        disconnect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), 0, 0);
+    }
+
+    // set new model if not NULL and connect necessary signals from it
+    if(model)
+    {
+        m_model = model;
+        connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex, QModelIndex)));
+        connect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), this, SLOT(modelDataAdded(QModelIndex,int,int)));
+        connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), this, SLOT(modelDataRemoved(QModelIndex,int,int)));
+    }
+}
+
+void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation)
+{
+    m_mapValues = modelValuesLine;
+    m_mapLabels = modelLabelsLine;
+    m_mapOrientation = orientation;
+
+    if (m_model == NULL)
+        return;
+
+    if (m_mapOrientation == Qt::Vertical)
+        for (int i = 0; i < m_model->rowCount(); i++)
+            add(m_model->data(m_model->index(i, m_mapValues), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(i, m_mapLabels), Qt::DisplayRole).toString());
+    else
+        for (int i = 0; i < m_model->columnCount(); i++)
+            add(m_model->data(m_model->index(m_mapValues, i), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(m_mapLabels, i), Qt::DisplayRole).toString());
+
+
+}
+
+void QPieSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
+{
+    if (m_mapOrientation == Qt::Vertical)
+        //        slices().at(topLeft.row())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble());
+        if (topLeft.column() == m_mapValues)
+            slices().at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
+        else if (topLeft.column() == m_mapLabels)
+            slices().at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
+        else
+            //        slices().at(topLeft.column())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble());
+            if (topLeft.column() == m_mapValues)
+                slices().at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
+            else if (topLeft.column() == m_mapLabels)
+                slices().at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
+}
+
+void QPieSeries::modelDataAdded(QModelIndex parent, int start, int end)
+{
+    //
+}
+
+void QPieSeries::modelDataRemoved(QModelIndex parent, int start, int end)
+{
+    remove(slices().at(start));
+}
+
 #include "moc_qpieseries.cpp"
 
 QTCOMMERCIALCHART_END_NAMESPACE
diff --git a/src/piechart/qpieseries.h b/src/piechart/qpieseries.h
index e5fe20e..be6ef1a 100644
--- a/src/piechart/qpieseries.h
+++ b/src/piechart/qpieseries.h
@@ -82,6 +82,10 @@ public:
     QPieSlice* add(qreal value, QString name);
     void setLabelsVisible(bool visible = true);
 
+    // data from model
+    bool setModel(QAbstractItemModel* model);
+    void setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation = Qt::Vertical);
+
     // TODO: find slices?
     // QList<QPieSlice*> findByValue(qreal value);
     // ...
@@ -105,6 +109,11 @@ private Q_SLOTS: // TODO: should be private and not visible in the interface at 
     void sliceHoverEnter();
     void sliceHoverLeave();
 
+    // slots for updating pie when data in model changes
+    void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight);
+    void modelDataAdded(QModelIndex parent, int start, int end);
+    void modelDataRemoved(QModelIndex parent, int start, int end);
+
 private:
     void updateDerivativeData();
 
@@ -122,6 +131,11 @@ private:
     qreal m_pieStartAngle;
     qreal m_pieEndAngle;
     qreal m_total;
+
+    // model map
+    int m_mapValues;
+    int m_mapLabels;
+    Qt::Orientation m_mapOrientation;
 };
 
 QTCOMMERCIALCHART_END_NAMESPACE
diff --git a/src/qseries.h b/src/qseries.h
index 315d260..fb6dd79 100644
--- a/src/qseries.h
+++ b/src/qseries.h
@@ -32,7 +32,7 @@ public:
     };*/
 
 protected:
-    QSeries(QObject *parent = 0) : QObject(parent) {}
+    QSeries(QObject *parent = 0) : QObject(parent) {m_model = NULL;}
 
 public:
     virtual ~QSeries() {}
@@ -44,6 +44,9 @@ public:
     void setTitle(QString title) { m_title = title; }
     QString title() { return m_title; }
 
+protected:
+    QAbstractItemModel* m_model;
+
 private:
     QString m_title;
 };
diff --git a/src/xychart/qxyseries.cpp b/src/xychart/qxyseries.cpp
index f208419..ff3b7d9 100644
--- a/src/xychart/qxyseries.cpp
+++ b/src/xychart/qxyseries.cpp
@@ -50,7 +50,6 @@ QTCOMMERCIALCHART_BEGIN_NAMESPACE
 */
 QXYSeries::QXYSeries(QObject* parent):QSeries(parent)
 {
-    m_model = NULL;
     m_mapX = -1;
     m_mapY = -1;
     m_mapOrientation = Qt::Vertical;
@@ -268,7 +267,10 @@ QXYSeries& QXYSeries::operator<< (const QList<QPointF> points)
 
 void QXYSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
 {
-    emit pointReplaced(topLeft.row());
+    if (m_mapOrientation == Qt::Vertical)
+        emit pointReplaced(topLeft.row());
+    else
+        emit pointReplaced(topLeft.column());
 }
 
 void QXYSeries::modelDataAdded(QModelIndex parent, int start, int end)
diff --git a/src/xychart/qxyseries.h b/src/xychart/qxyseries.h
index 6b8c96b..06541ba 100644
--- a/src/xychart/qxyseries.h
+++ b/src/xychart/qxyseries.h
@@ -64,7 +64,7 @@ protected:
     QPen m_pen;
     QBrush m_brush;
 
-    QAbstractItemModel* m_model;
+//    QAbstractItemModel* m_model;
     int m_mapX;
     Qt::Orientation m_mapOrientation;
     int m_mapY;