これは一例ですが、参考になれば幸いです
「nom」(テキスト)、「prenom」(テキスト)、「image」(テキストとしてのURL)の3つの列を持つテーブル「mytable」を含むsqliteデータベースがあるとします。
--------------------------- PRESENCEMODEL.h
#include <QSqlTableModel>
typedef QHash<int,QByteArray> qMyHash ;
class PresenceModel : public QSqlTableModel {
Q_OBJECT
Q_PROPERTY(QStringList dictionary READ dictionary NOTIFY dictionaryChanged)
Q_PROPERTY(QString filterString READ filterString WRITE setFilterString NOTIFY filterStringChanged)
Q_PROPERTY(qMyHash roles READ roles NOTIFY rolesChanged)
public:
PresenceModel(QSqlDatabase, QObject* parent = 0);
void generateRoleNames();
QString filterString() const { return p_filterString; }
void setFilterString(const QString&);
Q_INVOKABLE QStringList getData(int currentRow);
QVariant data(const QModelIndex&, int role) const;
Q_INVOKABLE void insert(const QString& url, const QString& title);
void populate();
QHash<int, QByteArray> roleNames() const;
Q_INVOKABLE void p_setTable(const QString &tableName);
QStringList dictionary() const;
void setDictionary(const QStringList &value);
QHash<int, QByteArray> roles() const;
Q_SIGNALS:
void dataChanged();
void gotData();
void rolesChanged();
private:
enum ColumnRH {
nom= Qt::UserRole + 1,
prenom= Qt::UserRole + 2,
image= Qt::UserRole + 3
};
QHash<int, QByteArray> p_roles;
QString p_filterString;
QStringList p_dictionary;
};
--------------------------- PRESENCEMODEL.cpp
#include "presencemodel.h"
#include <QtCore/QDateTime>
#include <QtSql/QSqlError>
#include <QtSql/QSqlQuery>
#include <QtSql/QSqlRecord>
#include <QDebug>
PresenceModel::PresenceModel(QSqlDatabase database, QObject *parent)
: QSqlTableModel(parent, database)
{
}
void PresenceModel::generateRoleNames()
{
p_roles[nom] = "nom";
p_roles[prenom] = "prenom";
p_roles[image] = "image";
}
void PresenceModel::populate()
{
select();
}
void PresenceModel::insert(const QString& url, const QString& title)
{
}
QVariant PresenceModel::data(const QModelIndex& index, int role) const
{
if (role < Qt::UserRole)
return QSqlQueryModel::data(index, role);
const int columnId = role - Qt::UserRole;
const QModelIndex modelIndex = createIndex(index.row(), columnId-1);
return QSqlTableModel::data(modelIndex, Qt::DisplayRole);
}
QStringList PresenceModel::getData(int currentRow)
{
QStringList rowDataList;
for (int i=0;i<columnCount();i++)
rowDataList.append(data(this->index(currentRow,i),Qt::DisplayRole).toString());
emit gotData();
return rowDataList;
}
QHash<int, QByteArray> PresenceModel::roleNames() const
{
return p_roles;
}
QHash<int, QByteArray> PresenceModel::roles() const
{
return roleNames();
}
--------------------------- main.cpp
int main(int argc, char *argv[])
{
QGuiApplication app(argc, argv);
QQmlApplicationEngine engine;
QSqlDatabase m_database = QSqlDatabase::addDatabase("QSQLITE");
m_database.setDatabaseName("/.../mydatabase.sqlite");
PresenceModel *p_pModel= new PresenceModel(m_database);
p_pModel->setTable("mytable");
m_database.open();
QQmlContext *ctxt = engine.rootContext();
ctxt->setContextProperty("ppModel", (PresenceModel*) p_pModel);
engine.load(QUrl("qrc:/main.qml"));
return app.exec();
}
QML
--------------------------- main.qml
Rectangle {
Component.OnCompleted : ppModel.populate()
TableView{
id:tableview_actes
TableViewColumn{ role: "nom" ; title: "nom" ; width: 330 }
TableViewColumn{ role: "prenom" ; title: "prénom" ; width: 65}
TableViewColumn{ role: "image" ; title: "Photo" ; width:65}
model:ppModel
onCurrentRowChanged: {
var list= myModel.getData(currentRow) // invoke c++ function
console.log(list[0])
}
Listview{
model:ppModel
delegate:
Item {
Text{
text: nom + " " +prenom // our roles
}
Image{
source : image // image : url in our table
}
}
}
}
}