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

NO CONTENT: new file 100644, binary diff hidden

demos/qmlcustommodel/customtablemodel.cpp +19 -5

              #include <QVector>
              #include <QRect>
              #include <QColor>
+             #include <QDebug>
              CustomTableModel::CustomTableModel(QObject *parent) :
                  QAbstractTableModel(parent),
                  return m_columnCount;
              }
-             QVariant CustomTableModel::headerData (int section, Qt::Orientation orientation, int role ) const
+             QVariant CustomTableModel::headerData(int section, Qt::Orientation orientation, int role) const
              {
                  if (role != Qt::DisplayRole)
                      return QVariant();
                  if (orientation == Qt::Horizontal) {
-                     if (section % 2 == 0)
-                         return "x";
+                     if (m_rowHeaders.count() > section)
+                         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 +3 -1

                  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;
+                 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
-                 height: parent.heigh
+                 anchors.fill: parent
                  //![1]
                  ChartView {
                      //![2]
                      CustomModel {
                          id: customModel
-                         CustomModelElement { values: [0, "Manufacturer", 0, 1, 2, 3, 4] }
-                         CustomModelElement { 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 { 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 { 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: ""; values: [0, "Manufacturer", 0, 1, 2, 3, 4] }
+                         CustomModelElement { rowHeader: "Volkswagen"; values: [1, "Volkswagen", 10.3, 12.0, 12.8, 13.0, 13.8] }
+                         CustomModelElement { rowHeader: "Toyota"; values: [2, "Toyota", 13.8, 13.5, 16.2, 13.7, 10.7] }
+                         CustomModelElement { rowHeader: "Ford"; values: [3, "Ford", 6.4, 7.1, 8.9, 8.2, 8.6] }
+                         CustomModelElement { rowHeader: "Skoda"; values: [4, "Skoda", 4.7, 5.8, 6.9, 8.3, 8.2] }
+                         CustomModelElement { rowHeader: "Volvo"; values: [5, "Volvo", 7.1, 6.7, 6.5, 6.3, 7.0] }
+                         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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