C++ QTableView::setModel方法代码示例

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    TableModel *model = new TableModel(4, 2, &app);

//! [0]
    QTableView *firstTableView = new QTableView;
    QTableView *secondTableView = new QTableView;
//! [0]

//! [1]
    firstTableView->setModel(model);
    secondTableView->setModel(model);
//! [1]

    firstTableView->horizontalHeader()->setModel(model);

    for (int row = 0; row < 4; ++row) {
        for (int column = 0; column < 2; ++column) {
            QModelIndex index = model->index(row, column, QModelIndex());
            model->setData(index, QVariant(QString("(%1, %2)").arg(row).arg(column)));
        }
    }

//! [2]
    secondTableView->setSelectionModel(firstTableView->selectionModel());
//! [2]

    firstTableView->setWindowTitle("First table view");
    secondTableView->setWindowTitle("Second table view");
    firstTableView->show();
    secondTableView->show();
    return app.exec();
}

void UserForm::  loadTables()
{
    createTableModels();
    QTableView* productsView = ui->tableView;
    productsView->setModel(productsModel);
    productsView->setColumnHidden(0, true);

    QTableView* ordersView = ui->tableViewOrders;
    ordersView->setModel(ordersModel);
}

/*!
    Create and return the table used to visualize digital signals.
*/
QTableView* UiDigitalGenerator::createTable()
{
    // Deallocation: "Qt Object trees" (See UiMainWindow)
    QTableView* table = new QTableView(this);

    QItemSelectionModel* m = table->selectionModel();
    if (m != NULL) delete m;
    table->setModel(mSignals);

    // Deallocation: "Qt Object trees" (See UiMainWindow)
    DigitalDelegate* delegate = new DigitalDelegate(this);
    QAbstractItemDelegate* d = table->itemDelegate();
    if (d != NULL) delete d;
    table->setItemDelegate(delegate);

    table->resizeColumnsToContents();
    table->resizeRowsToContents();

    connect(table->selectionModel(),
            SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
            this,
            SLOT(handleSelectionChanged(QItemSelection,QItemSelection)));


    return table;
}

void MainWindow::loadNetwork() 
{
    setWindowTitle("Qt-dtnet - " + ws.networkFilename);

    delete networkToolBox;
    networkToolBox = new QToolBox();
    ui->dockProperties->setWidget(networkToolBox);

    QTableView *propertiesTree;

    std::map<std::string,Population>::iterator i;
    for (i = ws.net->populations.begin(); i != ws.net->populations.end(); ++i)
    {
        propertiesTree = new QTableView();
        propertiesTree->setAlternatingRowColors(false);
        propertiesTree->setSelectionBehavior( QAbstractItemView::SelectRows );
        propertiesTree->setWordWrap( false );
//        propertiesTree->setAnimated( false );
        networkToolBox->addItem(propertiesTree, QString::fromStdString(i->first));
        propertiesModel = new PropModel( &(i->second) );    
        propertiesTree->setModel(propertiesModel);
    }
	
	networkView->replaceNetwork( ws.net );
	networkView->show();
    
    if ( ws.trial->isReady() && ws.net->isReady() ) ui->actionRun_Simulation->setEnabled( true );   
}

int main(int argc, char *argv[])
{
  std::cout << "Enter." << std::endl;
  QApplication app(argc, argv);

  QStandardItemModel model(4, 2);
  QTableView tableView;
  tableView.setModel(&model);

  ComboBoxDelegate delegate;
  //tableView.setItemDelegate(&delegate);
  tableView.setItemDelegateForColumn(1, &delegate); // Column 0 can take any value, column 1 can only take values up to 8.

  //tableView.horizontalHeader()->setStretchLastSection(true);


  for (int row = 0; row < 4; ++row)
  {
      for (int column = 0; column < 2; ++column)
      {
          QModelIndex index = model.index(row, column, QModelIndex());
          model.setData(index, QVariant((row+1) * (column+1)));
      }
  }


  tableView.show();
  return app.exec();
}

int main(int argc, char* argv[])
{
    QApplication app(argc, argv);

    QFrame frame;
    QVBoxLayout verticalLayout;
    QLineEdit filterText;

    ProblemsTableModel submissions;

    // add data here

    QSortFilterProxyModel proxy;
    proxy.setSortCaseSensitivity(Qt::CaseInsensitive);
    proxy.setFilterCaseSensitivity(Qt::CaseInsensitive);
    proxy.setSourceModel(&submissions);
    // sort and filter by "Full name" column
    proxy.setFilterKeyColumn(2);

    QTableView tableView;
    tableView.setModel(&proxy);
    tableView.setSortingEnabled(true);

    verticalLayout.addWidget(&filterText);
    verticalLayout.addWidget(&tableView);
    frame.setLayout(&verticalLayout);

    QObject::connect(&filterText, &QLineEdit::textChanged, &proxy, &QSortFilterProxyModel::setFilterFixedString);

    frame.show();

    return app.exec();
}

ErrorListView::ErrorListView(QWidget* parent)
  : QWidget(parent),
    m_model(0)
{
    m_model = new ErrorListModel(this);
    
    QTableView* tableView = new QTableView;
    
    tableView->setItemDelegate(new ItemDelegate);
    tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
    tableView->setAlternatingRowColors(true);
    tableView->setShowGrid(false);
    tableView->verticalHeader()->hide();
    
    tableView->setModel(m_model);
    
#ifdef STROMX_STUDIO_QT4
    tableView->horizontalHeader()->setResizeMode(ErrorListModel::TIME, QHeaderView::Interactive);
    tableView->horizontalHeader()->setResizeMode(ErrorListModel::DESCRIPTION, QHeaderView::Stretch);
#else
    tableView->horizontalHeader()->setSectionResizeMode(ErrorListModel::TIME, QHeaderView::Interactive);
    tableView->horizontalHeader()->setSectionResizeMode(ErrorListModel::DESCRIPTION, QHeaderView::Stretch);
#endif // STROMX_STUDIO_QT4
    
    QPushButton* clearButton = new QPushButton(tr("Clear error log"));
    connect(clearButton, SIGNAL(clicked()), m_model, SLOT(clear()));
    QHBoxLayout* buttonLayout = new QHBoxLayout;
    buttonLayout->addWidget(clearButton);
    buttonLayout->addStretch();
    
    QVBoxLayout* mainLayout = new QVBoxLayout;
    mainLayout->addWidget(tableView);
    mainLayout->addLayout(buttonLayout);
    setLayout(mainLayout);
}

int main( int argc, char* argv[] )
{
  QApplication app( argc, argv );

  // Open the addressbook file in the working directory 
  QFile file("addressbook.csv");
  if ( !file.open(QIODevice::ReadOnly|QIODevice::Text) )
	  return 1;

  // Read its content into a string
  QString addresses = QString::fromUtf8(file.readAll());
  AddressbookModel model(addresses);

  QListView listView;
  listView.setModel(&model);
  listView.setModelColumn(0);
  listView.show();

  QTreeView treeView;
  treeView.setModel(&model);
  treeView.show();

  QTableView tableView;
  tableView.setModel(&model);
  tableView.show();

  return app.exec();
}

void tst_QItemDelegate::QTBUG4435_keepSelectionOnCheck()
{
    QStandardItemModel model(3, 1);
    for (int i = 0; i < 3; ++i) {
        QStandardItem *item = new QStandardItem(QLatin1String("Item ") + QString::number(i));
        item->setCheckable(true);
        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled);
        model.setItem(i, item);
    }
    QTableView view;
    view.setModel(&model);
    view.setItemDelegate(new TestItemDelegate);
    view.show();
    view.selectAll();
    QVERIFY(QTest::qWaitForWindowExposed(&view));
    QStyleOptionViewItem option;
    option.rect = view.visualRect(model.index(0, 0));
    // mimic QStyledItemDelegate::initStyleOption logic
    option.features = QStyleOptionViewItem::HasDisplay | QStyleOptionViewItem::HasCheckIndicator;
    option.checkState = Qt::CheckState(model.index(0, 0).data(Qt::CheckStateRole).toInt());
    const int checkMargin = qApp->style()->pixelMetric(QStyle::PM_FocusFrameHMargin, 0, 0) + 1;
    QPoint pos = qApp->style()->subElementRect(QStyle::SE_ViewItemCheckIndicator, &option, 0).center()
                 + QPoint(checkMargin, 0);
    QTest::mouseClick(view.viewport(), Qt::LeftButton, Qt::ControlModifier, pos);
    QTRY_VERIFY(view.selectionModel()->isColumnSelected(0, QModelIndex()));
    QCOMPARE(model.item(0)->checkState(), Qt::Checked);
}

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QDirModel model;

    QTreeView tree;
    QListView list;
    QTableView table;

    tree.setModel(&model);
    list.setModel(&model);
    table.setModel(&model);

    tree.setSelectionMode(QAbstractItemView::MultiSelection);
    list.setSelectionModel(tree.selectionModel());
    table.setSelectionModel(tree.selectionModel());

    QObject::connect(&tree,SIGNAL(doubleClicked(QModelIndex)),&list,SLOT(setRootIndex(QModelIndex)));
    QObject::connect(&tree,SIGNAL(doubleClicked(QModelIndex)),&table,SLOT(setRootIndex(QModelIndex)));

    QSplitter *splitter = new QSplitter;
    splitter->addWidget(&tree);
    splitter->addWidget(&list);
    splitter->addWidget(&table);
    splitter->setWindowTitle(QObject::tr("Model/View"));
    splitter->show();
    
    return a.exec();
}

int main( int argc, char *argv[] )
{
    QApplication app( argc, argv );

    QSqlDatabase db = QSqlDatabase::addDatabase( "QSQLITE" );
    db.setDatabaseName( "testdatabase.db" );

    if( !db.open() )
    {
        qDebug() << db.lastError();
        qFatal( "Failed to connect." );
    }

    QSqlQuery qry;
    qry.prepare( "CREATE TABLE IF NOT EXISTS names (id INTEGER UNIQUE PRIMARY KEY, "
            "firstname VARCHAR(30), "
            "lastname VARCHAR(30))" );
    if( !qry.exec() )
    {
        qDebug() << qry.lastError();
        qFatal( "Failed to create the table" );
    }

    qry.prepare( "INSERT INTO names (id, firstname, lastname) "
            "VALUES (:id, :firstname, :lastname)" );
    qry.bindValue( ":id", 1 );
    qry.bindValue( ":firstname", "John" );
    qry.bindValue( ":lastname", "Doe" );
    if( !qry.exec() )
    {
        qDebug() << qry.lastError();
        qFatal( "Failed to insert" );
    }

    QSqlTableModel *model = new QSqlTableModel();

    model->setTable( "names" );
    model->setFilter( "lastname = 'Doe'" );
    model->select();

    // if removeColumn is enabled, the table won't be editable, this
    // is a bug under this old version
    //model->removeColumn( 0 );

    QTableView *view = new QTableView();
    //view->setColumnHidden( 0, true );
    view->setModel( model );
    view->show();

    /*
    QSqlQueryModel *model = new QSqlQueryModel();
    model->setQuery( "SELECT firstname, lastname FROM names" );

    QTableView *view = new QTableView();
    view->setModel( model );
    view->show();
    */

    return app.exec();
}

//! [0]
int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QStandardItemModel model(4, 2);
    QTableView tableView;
    tableView.setModel(&model);

    SpinBoxDelegate delegate;
    tableView.setItemDelegate(&delegate);
//! [0]

    tableView.horizontalHeader()->setStretchLastSection(true);

//! [1]
    for (int row = 0; row < 4; ++row) {
        for (int column = 0; column < 2; ++column) {
            QModelIndex index = model.index(row, column, QModelIndex());
            model.setData(index, QVariant((row+1) * (column+1)));
        }
//! [1] //! [2]
    }
//! [2]

//! [3]
    tableView.setWindowTitle(QObject::tr("Spin Box Delegate"));
    tableView.show();
    return app.exec();
}

void AddressWidget::setupTabs()
{
    QStringList groups;
    groups << "ABC" << "DEF" << "GHI" << "JKL" << "MNO" << "PQR" << "STU" << "VW" << "XYZ";

    for (int i = 0; i < groups.size(); ++i) {
        QString str = groups.at(i);
        
        proxyModel = new QSortFilterProxyModel(this);
        proxyModel->setSourceModel(table);
        proxyModel->setDynamicSortFilter(true);
    
        QTableView *tableView = new QTableView;
        tableView->setModel(proxyModel);
        tableView->setSortingEnabled(true);
        tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
        tableView->horizontalHeader()->setStretchLastSection(true);
        tableView->verticalHeader()->hide();
        tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
        tableView->setSelectionMode(QAbstractItemView::SingleSelection);

        QString newStr = QString("^[%1].*").arg(str);

        proxyModel->setFilterRegExp(QRegExp(newStr, Qt::CaseInsensitive));
        proxyModel->setFilterKeyColumn(0);
        proxyModel->sort(0, Qt::AscendingOrder);
    
        connect(tableView->selectionModel(),
            SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
            this, SIGNAL(selectionChanged(QItemSelection)));

        addTab(tableView, str);
    }
}

void ReceiveCoinsDialog::setModel(WalletModel *_model)
{
    this->model = _model;

    if(_model && _model->getOptionsModel())
    {
        _model->getRecentRequestsTableModel()->sort(RecentRequestsTableModel::Date, Qt::DescendingOrder);
        connect(_model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
        updateDisplayUnit();

        QTableView* tableView = ui->recentRequestsView;

        tableView->verticalHeader()->hide();
        tableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
        tableView->setModel(_model->getRecentRequestsTableModel());
        tableView->setAlternatingRowColors(true);
        tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
        tableView->setSelectionMode(QAbstractItemView::ContiguousSelection);
        tableView->setColumnWidth(RecentRequestsTableModel::Date, DATE_COLUMN_WIDTH);
        tableView->setColumnWidth(RecentRequestsTableModel::Label, LABEL_COLUMN_WIDTH);
        tableView->setColumnWidth(RecentRequestsTableModel::Amount, AMOUNT_MINIMUM_COLUMN_WIDTH);

        connect(tableView->selectionModel(),
            SIGNAL(selectionChanged(QItemSelection, QItemSelection)), this,
            SLOT(recentRequestsView_selectionChanged(QItemSelection, QItemSelection)));
        // Last 2 columns are set by the columnResizingFixer, when the table geometry is ready.
        columnResizingFixer = new GUIUtil::TableViewLastColumnResizingFixer(tableView, AMOUNT_MINIMUM_COLUMN_WIDTH, DATE_COLUMN_WIDTH, this);
    }

void ConvolveMatrixEffectConfigWidget::editKernel()
{
    if (!m_effect) {
        return;
    }

    QVector<qreal> oldKernel = m_effect->kernel();
    QPoint kernelSize = m_effect->order();
    m_matrixModel->setMatrix(oldKernel, kernelSize.y(), kernelSize.x());
    connect(m_matrixModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(kernelChanged()));

    QPointer<QDialog> dlg = new QDialog(this);
    QTableView *table = new QTableView(dlg);
    table->setModel(m_matrixModel);
    table->horizontalHeader()->hide();
    table->horizontalHeader()->setResizeMode(QHeaderView::Stretch);
    table->verticalHeader()->hide();
    table->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
    QVBoxLayout *mainLayout = new QVBoxLayout;
    dlg->setLayout(mainLayout);
    mainLayout->addWidget(table);
    if (dlg->exec() == QDialog::Accepted) {
        m_effect->setKernel(m_matrixModel->matrix());
        emit filterChanged();
    } else {
        m_effect->setKernel(oldKernel);
    }
    delete dlg;

    disconnect(m_matrixModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(kernelChanged()));
}