C++ QTableView::setItemDelegateForColumn方法代码示例

CPropertiesDialog::CPropertiesDialog( QWidget *pwidgetParent, HODBCINSTPROPERTY hFirstProperty )
	: QDialog( pwidgetParent )
{
    QVBoxLayout *           playout                 = new QVBoxLayout;
    QTableView *            ptableview              = new QTableView;
    QFrame *                pframe                  = new QFrame;
    QDialogButtonBox *      pdialogbuttonbox        = new QDialogButtonBox( QDialogButtonBox::Cancel | QDialogButtonBox::Ok | QDialogButtonBox::Help );

    pframe->setFrameStyle( QFrame::HLine );

    ppropertiesmodel    = new CPropertiesModel( 0, hFirstProperty );
    ppropertiesdelegate = new CPropertiesDelegate;
    ptableview->setModel( ppropertiesmodel );
    ptableview->setItemDelegateForColumn ( 1, ppropertiesdelegate );
    ptableview->verticalHeader()->hide();

    connect( pdialogbuttonbox, SIGNAL(accepted()), this, SLOT(accept()) );
    connect( pdialogbuttonbox, SIGNAL(rejected()), this, SLOT(reject()) );

    playout->addWidget( ptableview, 10 );
    playout->addWidget( pframe );
    playout->addWidget( pdialogbuttonbox );

    setWindowIcon( QPixmap( xpmODBC ) );
    setLayout( playout );

    doLoadState();
}

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();
}

DivePlannerWidget::DivePlannerWidget(QWidget *parent, Qt::WindowFlags f) : QWidget(parent, f)
{
	ui.setupUi(this);
	ui.dateEdit->setDisplayFormat(getDateFormat());
	ui.tableWidget->setTitle(tr("Dive planner points"));
	ui.tableWidget->setModel(DivePlannerPointsModel::instance());
	DivePlannerPointsModel::instance()->setRecalc(true);
	ui.tableWidget->view()->setItemDelegateForColumn(DivePlannerPointsModel::GAS, new AirTypesDelegate(this));
	ui.cylinderTableWidget->setTitle(tr("Available gases"));
	ui.cylinderTableWidget->setModel(CylindersModel::instance());
	QTableView *view = ui.cylinderTableWidget->view();
	view->setColumnHidden(CylindersModel::START, true);
	view->setColumnHidden(CylindersModel::END, true);
	view->setColumnHidden(CylindersModel::DEPTH, false);
	view->setItemDelegateForColumn(CylindersModel::TYPE, new TankInfoDelegate(this));
	connect(ui.cylinderTableWidget, SIGNAL(addButtonClicked()), DivePlannerPointsModel::instance(), SLOT(addCylinder_clicked()));
	connect(ui.tableWidget, SIGNAL(addButtonClicked()), DivePlannerPointsModel::instance(), SLOT(addStop()));

	connect(CylindersModel::instance(), SIGNAL(dataChanged(QModelIndex, QModelIndex)),
		GasSelectionModel::instance(), SLOT(repopulate()));
	connect(CylindersModel::instance(), SIGNAL(rowsInserted(QModelIndex, int, int)),
		GasSelectionModel::instance(), SLOT(repopulate()));
	connect(CylindersModel::instance(), SIGNAL(rowsRemoved(QModelIndex, int, int)),
		GasSelectionModel::instance(), SLOT(repopulate()));
	connect(CylindersModel::instance(), SIGNAL(dataChanged(QModelIndex, QModelIndex)),
		plannerModel, SIGNAL(cylinderModelEdited()));
	connect(CylindersModel::instance(), SIGNAL(rowsInserted(QModelIndex, int, int)),
		plannerModel, SIGNAL(cylinderModelEdited()));
	connect(CylindersModel::instance(), SIGNAL(rowsRemoved(QModelIndex, int, int)),
		plannerModel, SIGNAL(cylinderModelEdited()));

	ui.tableWidget->setBtnToolTip(tr("Add dive data point"));
	connect(ui.startTime, SIGNAL(timeChanged(QTime)), plannerModel, SLOT(setStartTime(QTime)));
	connect(ui.dateEdit, SIGNAL(dateChanged(QDate)), plannerModel, SLOT(setStartDate(QDate)));
	connect(ui.ATMPressure, SIGNAL(valueChanged(int)), this, SLOT(atmPressureChanged(int)));
	connect(ui.atmHeight, SIGNAL(valueChanged(int)), this, SLOT(heightChanged(int)));
	connect(ui.salinity, SIGNAL(valueChanged(double)), this, SLOT(salinityChanged(double)));
	connect(DivePlannerPointsModel::instance(), SIGNAL(startTimeChanged(QDateTime)), this, SLOT(setupStartTime(QDateTime)));

	// Creating (and canceling) the plan
	replanButton = ui.buttonBox->addButton(tr("Save new"), QDialogButtonBox::ActionRole);
	connect(replanButton, SIGNAL(clicked()), plannerModel, SLOT(saveDuplicatePlan()));
	connect(ui.buttonBox, SIGNAL(accepted()), plannerModel, SLOT(savePlan()));
	connect(ui.buttonBox, SIGNAL(rejected()), plannerModel, SLOT(cancelPlan()));
	QShortcut *closeKey = new QShortcut(QKeySequence(Qt::Key_Escape), this);
	connect(closeKey, SIGNAL(activated()), plannerModel, SLOT(cancelPlan()));

	// This makes shure the spinbox gets a setMinimum(0) on it so we can't have negative time or depth.
	ui.tableWidget->view()->setItemDelegateForColumn(DivePlannerPointsModel::DEPTH, new SpinBoxDelegate(0, INT_MAX, 1, this));
	ui.tableWidget->view()->setItemDelegateForColumn(DivePlannerPointsModel::RUNTIME, new SpinBoxDelegate(0, INT_MAX, 1, this));
	ui.tableWidget->view()->setItemDelegateForColumn(DivePlannerPointsModel::DURATION, new SpinBoxDelegate(0, INT_MAX, 1, this));
	ui.tableWidget->view()->setItemDelegateForColumn(DivePlannerPointsModel::CCSETPOINT, new DoubleSpinBoxDelegate(0, 2, 0.1, this));

	/* set defaults. */
	ui.ATMPressure->setValue(1013);
	ui.atmHeight->setValue(0);

	setMinimumWidth(0);
	setMinimumHeight(0);
}

void SettingsDialog::on_pbPosition_clicked()
{
  QScopedPointer< Gui::Dialog > dialog(new Gui::Dialog(Gui::Dialog::CenterOfScreen,this));
  PositionModel *model = new PositionModel(dialog.data());
  QTableView *view = new QTableView(dialog.data());
  QItemSelectionModel *selectionModel = new QItemSelectionModel(model,dialog.data());

  dialog->setWindowTitle(tr("Set position"));

  QVBoxLayout *layout = new QVBoxLayout;
  QDialogButtonBox *dialogButtons = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
                                                         Qt::Horizontal,dialog.data());
  connect(dialogButtons,SIGNAL(accepted()),dialog.data(),SLOT(accept()));
  connect(dialogButtons,SIGNAL(rejected()),dialog.data(),SLOT(reject()));

  view->setModel(model);
  view->setItemDelegateForColumn(0,new PositionLabelDelegate);
  view->setItemDelegateForColumn(1,new PositionDelegate(QApplication::palette()));
  view->setSelectionBehavior(QAbstractItemView::SelectRows);
  view->setSelectionMode(QAbstractItemView::SingleSelection);
  view->setSelectionModel(selectionModel);
  view->verticalHeader()->setVisible(false);
  view->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
  view->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
  view->setEditTriggers(QAbstractItemView::NoEditTriggers);

  layout->addWidget(view);
  layout->addWidget(dialogButtons);
  dialog->setLayout(layout);
  dialog->resize(700,500);
  connect(dialog.data(),SIGNAL(executed()),view,SLOT(resizeColumnsToContents()));
  connect(dialog.data(),SIGNAL(executed()),view,SLOT(resizeRowsToContents()));

  selectionModel->select(model->index(pbPosition->property("wallPosition").toInt(),0),
                         QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
  view->scrollTo(model->index(pbPosition->property("wallPosition").toInt(),0));
  if (dialog->exec() == QDialog::Accepted)
  {
    Wally::Application::Position p = static_cast<Wally::Application::Position> (selectionModel->currentIndex().row());
    pbPosition->setProperty("wallPosition",static_cast<int> (p));
    pbPosition->setText(positionToString(p).replace("&","&&"));
    settingsModified();
  }
}

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    //QListView view;
    QTableView view;
    view.setSortingEnabled(false);
    view.horizontalHeader()->setStretchLastSection(true);
    view.horizontalHeader()->setVisible(false);
    view.verticalHeader()->setVisible(false);

    MillionRows model(Q_NULLPTR);

    view.setModel(&model);
    view.setAlternatingRowColors(true);
    view.setStyleSheet("alternate-background-color: green;background-color: white;");
    view.setItemDelegateForColumn(0, new TableStyleDelegate());

    view.resizeRowsToContents(); // impact performance - force call sizeHint
    view.show();

    return a.exec();
}

int main(int argc, char ** argv) {
    QApplication app{argc, argv};
    QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
    db.setDatabaseName(":memory:");
    if (! db.open()) return 1;
    db.exec("create table example (name text, inuse numeric);");
    db.exec("insert into example (name, inuse) values "
            "('Zaphod', 0), ('Beeblebrox', 1);");

    QSqlTableModel model;
    model.setTable("example");
    model.select();

    BoolProxy proxy{1};
    proxy.setSourceModel(&model);

    QTableView ui;
    YesNoDelegate delegate;
    ui.setItemDelegateForColumn(1, &delegate);
    ui.setModel(&proxy);
    ui.show();
    return app.exec();
}

int main( int argc, char **argv )
{
  QApplication app( argc, argv );
  
  QTableView table;

  QStandardItemModel model( 10, 2 ); 
  for( int r=0; r<10; ++r )
  {
    QStandardItem *item = new QStandardItem( QString("Row %1").arg(r+1) );
    item->setEditable( false ); 
    model.setItem( r, 0, item );
    
    model.setItem( r, 1, new QStandardItem( QString::number((r*30)%100 )) );  
  }
  table.setModel( &model );
  
  BarDelegate delegate;
  table.setItemDelegateForColumn( 1, &delegate );

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

    OLD_MAIN(QWidget* pParent = nullptr)
        : QMainWindow(pParent)
    {
        Q_INIT_RESOURCE(Resources);

        // Settings persistence
        ReadSettings();

        // Appearance LUT
        PlayerApperances appearances;

        // Build player table model from file
        PlayerTableModel* playerTableModel = new PlayerTableModel(this);
        playerTableModel->LoadHittingProjections(appearances);
        playerTableModel->LoadPitchingProjections(appearances);
        playerTableModel->CalculateHittingScores();
        playerTableModel->CalculatePitchingScores();
        playerTableModel->InitializeTargetValues();

        // Draft delegate
        DraftDelegate* draftDelegate = new DraftDelegate(playerTableModel);
        LinkDelegate* linkDelegate = new LinkDelegate(this);
        TagDelegate* tagDelegate = new TagDelegate(this);

        // Hitter sort-model
        PlayerSortFilterProxyModel* hitterSortFilterProxyModel = new PlayerSortFilterProxyModel(Player::Hitter);
        hitterSortFilterProxyModel->setSourceModel(playerTableModel);
        hitterSortFilterProxyModel->setSortRole(PlayerTableModel::RawDataRole);

        // Hitter table view
        QTableView* hitterTableView = MakeTableView(hitterSortFilterProxyModel, true, PlayerTableModel::COLUMN_Z);
        hitterTableView->setItemDelegateForColumn(FindColumn(hitterSortFilterProxyModel, PlayerTableModel::COLUMN_DRAFT_BUTTON), draftDelegate);
        hitterTableView->setItemDelegateForColumn(FindColumn(hitterSortFilterProxyModel, PlayerTableModel::COLUMN_ID_LINK), linkDelegate);
        hitterTableView->setItemDelegateForColumn(FindColumn(hitterSortFilterProxyModel, PlayerTableModel::COLUMN_FLAG), tagDelegate);
        hitterTableView->setEditTriggers(QAbstractItemView::DoubleClicked | QAbstractItemView::SelectedClicked);

        // Context menu
        QMenu* contextMenu = new QMenu();
        contextMenu->addAction("&Remove Player");

        // Apply to hitter table view
        hitterTableView->setContextMenuPolicy(Qt::CustomContextMenu);
        connect(hitterTableView, &QWidget::customContextMenuRequested, [=](const QPoint& pos) {
            QPoint globalPos = hitterTableView->mapToGlobal(pos);
            QAction* selectedItem = contextMenu->exec(globalPos);
            if (selectedItem) {
                auto proxyIndex = hitterTableView->indexAt(pos);
                auto srcIndex = hitterSortFilterProxyModel->mapToSource(proxyIndex);
                playerTableModel->RemovePlayer(srcIndex.row());
            }
        });

        // Pitcher sort-model
        PlayerSortFilterProxyModel* pitcherSortFilterProxyModel = new PlayerSortFilterProxyModel(Player::Pitcher);
        pitcherSortFilterProxyModel->setSourceModel(playerTableModel);
        pitcherSortFilterProxyModel->setSortRole(PlayerTableModel::RawDataRole);
        
        // Pitcher table view
        QTableView* pitcherTableView = MakeTableView(pitcherSortFilterProxyModel, true, PlayerTableModel::COLUMN_Z);
        pitcherTableView->setItemDelegateForColumn(FindColumn(pitcherSortFilterProxyModel, PlayerTableModel::COLUMN_DRAFT_BUTTON), draftDelegate);
        pitcherTableView->setItemDelegateForColumn(FindColumn(pitcherSortFilterProxyModel, PlayerTableModel::COLUMN_ID_LINK), linkDelegate);
        pitcherTableView->setItemDelegateForColumn(FindColumn(pitcherSortFilterProxyModel, PlayerTableModel::COLUMN_FLAG), tagDelegate);
        pitcherTableView->setEditTriggers(QAbstractItemView::DoubleClicked | QAbstractItemView::SelectedClicked);

        // Top/Bottom splitter
        QSplitter* topBottomSplitter = new QSplitter(Qt::Vertical);
        topBottomSplitter->setContentsMargins(5, 5, 5, 5);

        // Hitter/Pitcher tab View
        enum PlayerTableTabs { Hitters, Pitchers, Unknown };
        QTabWidget* hitterPitcherTabs = new QTabWidget(this);
        hitterPitcherTabs->insertTab(PlayerTableTabs::Hitters, hitterTableView, "Hitters");
        hitterPitcherTabs->insertTab(PlayerTableTabs::Pitchers, pitcherTableView, "Pitchers");
        topBottomSplitter->addWidget(hitterPitcherTabs);

        // Tab lookup helper
        auto CaterogyToTab = [](uint32_t catergory) 
        {
            switch (catergory)
            {
            case Player::Hitter:
                return PlayerTableTabs::Hitters;
            case Player::Pitcher:
                return PlayerTableTabs::Pitchers;
            default:
                return PlayerTableTabs::Unknown;
            }
        };

        // Drafted filter action
        QAction* filterDrafted = new QAction(this);
        connect(filterDrafted, &QAction::toggled, hitterSortFilterProxyModel, &PlayerSortFilterProxyModel::OnFilterDrafted);
        connect(filterDrafted, &QAction::toggled, pitcherSortFilterProxyModel, &PlayerSortFilterProxyModel::OnFilterDrafted);
        filterDrafted->setText(tr("Drafted"));
        filterDrafted->setToolTip("Toggle Drafted Players");
        filterDrafted->setCheckable(true);
        filterDrafted->toggle();

        QAction* filterReplacement = new QAction(this);
        connect(filterReplacement, &QAction::toggled, hitterSortFilterProxyModel, &PlayerSortFilterProxyModel::OnFilterReplacement);
//.........这里部分代码省略.........

void ContributoriesWidget::addProject(QPair<Project*, Rate>* p)
{
    if(p == 0) {
        _modelProjects->append();
    } else {
        _modelProjects->append(*p);
    }
    QTableView* view = new QTableView();
    _modelsContributories << new WdgModels::ContributoriesTableModel();
    view->setModel(_modelsContributories.last());
    view->setEditTriggers(QAbstractItemView::DoubleClicked);
    view->setItemDelegateForColumn(0, new Delegates::TextareaDelegate());
    view->setItemDelegateForColumn(1, new Delegates::TextareaDelegate());
    view->setItemDelegateForColumn(2, new Delegates::DoubleSpinBoxDelegate());
    view->setItemDelegateForColumn(3, new Delegates::UnitComboDelegate());

    connect(view->itemDelegateForColumn(3),
            SIGNAL(closeEditor(QWidget*)),
            SLOT(updatePrice()));
    connect(view->itemDelegateForColumn(2),
            SIGNAL(closeEditor(QWidget*)),
            SLOT(updatePrice()));
    connect(view->itemDelegateForColumn(1),
            SIGNAL(closeEditor(QWidget*)),
            SLOT(updatePrice()));



    ui->stack->insertWidget(ui->stack->count(), view);
    responsiveContributoriesTable(view);
    emit updateUi();
}

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

    QStandardItemModel model(4,4);
    QTableView tableView;
    tableView.setModel(&model);
    DateDelegate dateDelegate;
    tableView.setItemDelegateForColumn(1,&dateDelegate);
    ComboDelegate comboDelegate;
    tableView.setItemDelegateForColumn(2,&comboDelegate);
    SpinDelegate spinDelegate;
    tableView.setItemDelegateForColumn(3,&spinDelegate);

    model.setHeaderData(0,Qt::Horizontal,QObject::tr("姓名"));
    model.setHeaderData(1,Qt::Horizontal,QObject::tr("生日"));
    model.setHeaderData(2,Qt::Horizontal,QObject::tr("职业"));
    model.setHeaderData(3,Qt::Horizontal,QObject::tr("收入"));

    QFile file("test.txt");
    if(file.open(QFile::ReadOnly|QFile::Text))
    {
        QTextStream stream(&file);
        QString line;

        model.removeRows(0,model.rowCount(QModelIndex()),QModelIndex());
        int row =0;
        do{
               line = stream.readLine();
               if(!line.isEmpty())
               {
                   model.insertRows(row,1,QModelIndex());
                   QStringList pieces = line.split(",",QString::SkipEmptyParts);
                   model.setData(model.index(row,0,QModelIndex()),pieces.value(0));
                   model.setData(model.index(row,1,QModelIndex()),pieces.value(1));
                   model.setData(model.index(row,2,QModelIndex()),pieces.value(2));
                   model.setData(model.index(row,3,QModelIndex()),pieces.value(3));
                   row++;
               }
        }while(!line.isEmpty());

        file.close();
    }
    tableView.setWindowTitle(QObject::tr("Delegate"));
    tableView.show();
    
    return a.exec();
}