HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Commit - r1387:122ce0e59427

Header data to QML custom model demo

Tero Ahola -

r1387:122ce0e59427

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r1387:122ce0e59427

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doc/images/demos_qmlcustommodel.png created 644 binary 0 0

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demos/qmlcustommodel/customtablemodel.cpp +18 -4

             #include <QVector>
             #include <QRect>
             #include <QColor>
+            #include <QDebug>
             CustomTableModel::CustomTableModel(QObject *parent) :
                 QAbstractTableModel(parent),
                     return QVariant();
                 if (orientation == Qt::Horizontal) {
-                    if (section % 2 == 0)
+                    if (m_rowHeaders.count() > section)
-                        return "x";
+                        return m_rowHeaders[section];
                     else
-                        return "y";
+                        return QAbstractTableModel::headerData(section, orientation, role);
                 } else {
-                    return QString("%1").arg(section + 1);
+                    return QAbstractTableModel::headerData(section, orientation, role);
                 }
             }
+            bool CustomTableModel::setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role)
+            {
+                if (orientation == Qt::Horizontal) {
+                    while (m_rowHeaders.count() <= section)
+                        m_rowHeaders.append(QVariant());
+                    m_rowHeaders.replace(section, value);
+                } else {
+                    return QAbstractTableModel::setHeaderData(section, orientation, value, role);
+                }
+                emit headerDataChanged(orientation, section, section);
+                return true;
+            }
             QVariant CustomTableModel::data(const QModelIndex &index, int role) const
             {
                 if (role == Qt::DisplayRole) {

demos/qmlcustommodel/customtablemodel.h +2 0

                 int rowCount ( const QModelIndex & parent = QModelIndex() ) const;
                 int columnCount ( const QModelIndex & parent = QModelIndex() ) const;
                 QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const;
+                bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role = Qt::EditRole);
                 QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
                 bool setData ( const QModelIndex & index, const QVariant & value, int role = Qt::EditRole );
                 Qt::ItemFlags flags ( const QModelIndex & index ) const;
             private:
                 QList<QVector<QVariant> * > m_data;
+                QList<QVariant> m_rowHeaders;
                 int m_columnCount;
                 int m_rowCount;
             };

demos/qmlcustommodel/declarativemodel.cpp +13 -1

             {
             }
+            QString DeclarativeTableModelElement::rowHeader()
+            {
+                return m_rowHeader;
+            }
+            void DeclarativeTableModelElement::setRowHeader(QString header)
+            {
+                m_rowHeader = header;
+            }
             QVariantList DeclarativeTableModelElement::values()
             {
                 return m_values;
             {
                 foreach (QObject *child, children()) {
                     if (qobject_cast<DeclarativeTableModelElement *>(child)) {
-                        append(qobject_cast<DeclarativeTableModelElement *>(child)->values());
+                        DeclarativeTableModelElement *element = qobject_cast<DeclarativeTableModelElement *>(child);
+                        append(element->values());
+                        setHeaderData(rowCount() - 1, Qt::Horizontal, element->rowHeader());
                     }
                 }
             }

demos/qmlcustommodel/declarativemodel.h +4 0

             class DeclarativeTableModelElement : public QObject
             {
                 Q_OBJECT
+                Q_PROPERTY(QString rowHeader READ rowHeader WRITE setRowHeader)
                 Q_PROPERTY(QVariantList values READ values WRITE setValues)
             public:
                 explicit DeclarativeTableModelElement(QObject *parent = 0);
+                QString rowHeader();
+                void setRowHeader(QString header);
                 QVariantList values();
                 void setValues(QVariantList values);
             private:
+                QString m_rowHeader;
                 QVariantList m_values;
             };

demos/qmlcustommodel/qml/qmlcustommodel/main.qml +11 -12

             import QmlCustomModel 1.0
             Rectangle {
-                width: parent.width
+                anchors.fill: parent
-                height: parent.heigh
                 //![1]
                 ChartView {
                     //![2]
                     CustomModel {
                         id: customModel
-                        CustomModelElement { values: [0, "Manufacturer", 0, 1, 2, 3, 4] }
+                        CustomModelElement { rowHeader: ""; values: [0, "Manufacturer", 0, 1, 2, 3, 4] }
-                        CustomModelElement { values: [1, "Volkswagen", 10.3, 12.0, 12.8, 13.0, 13.8] }
+                        CustomModelElement { rowHeader: "Volkswagen"; values: [1, "Volkswagen", 10.3, 12.0, 12.8, 13.0, 13.8] }
-                        CustomModelElement { values: [2, "Toyota", 13.8, 13.5, 16.2, 13.7, 10.7] }
+                        CustomModelElement { rowHeader: "Toyota"; values: [2, "Toyota", 13.8, 13.5, 16.2, 13.7, 10.7] }
-                        CustomModelElement { values: [3, "Ford", 6.4, 7.1, 8.9, 8.2, 8.6] }
+                        CustomModelElement { rowHeader: "Ford"; values: [3, "Ford", 6.4, 7.1, 8.9, 8.2, 8.6] }
-                        CustomModelElement { values: [4, "Skoda", 4.7, 5.8, 6.9, 8.3, 8.2] }
+                        CustomModelElement { rowHeader: "Skoda"; values: [4, "Skoda", 4.7, 5.8, 6.9, 8.3, 8.2] }
-                        CustomModelElement { values: [5, "Volvo", 7.1, 6.7, 6.5, 6.3, 7.0] }
+                        CustomModelElement { rowHeader: "Volvo"; values: [5, "Volvo", 7.1, 6.7, 6.5, 6.3, 7.0] }
-                        CustomModelElement { values: [6, "Others", 57.7, 54.9, 48.7, 50.5, 51.7] }
+                        CustomModelElement { rowHeader: "Others"; values: [6, "Others", 57.7, 54.9, 48.7, 50.5, 51.7] }
                     }
                     //![2]
                         HXYModelMapper {
                             model: customModel
                             xRow: 0
-                            yRow: 2
+                            yRow: 3
                             first: 2
                         }
                     }
                         HXYModelMapper {
                             model: customModel
                             xRow: 0
-                            yRow: 3
+                            yRow: 4
                             first: 2
                         }
                     }
                         HXYModelMapper {
                             model: customModel
                             xRow: 0
-                            yRow: 4
+                            yRow: 5
                             first: 2
                         }
                     }

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