window.cpp Example File

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  #include <QtWidgets>

  #include "window.h"
  #include "colorlisteditor.h"

  Window::Window()
  {
      QItemEditorFactory *factory = new QItemEditorFactory;

      QItemEditorCreatorBase *colorListCreator =
          new QStandardItemEditorCreator<ColorListEditor>();

      factory->registerEditor(QVariant::Color, colorListCreator);

      QItemEditorFactory::setDefaultFactory(factory);

      createGUI();
  }

  void Window::createGUI()
  {
      QList<QPair<QString, QColor> > list;
      list << QPair<QString, QColor>(tr("Alice"), QColor("aliceblue")) <<
              QPair<QString, QColor>(tr("Neptun"), QColor("aquamarine")) <<
              QPair<QString, QColor>(tr("Ferdinand"), QColor("springgreen"));

      QTableWidget *table = new QTableWidget(3, 2);
      table->setHorizontalHeaderLabels(QStringList() << tr("Name")
                                                     << tr("Hair Color"));
      table->verticalHeader()->setVisible(false);
      table->resize(150, 50);

      for (int i = 0; i < 3; ++i) {
          QPair<QString, QColor> pair = list.at(i);

          QTableWidgetItem *nameItem = new QTableWidgetItem(pair.first);
          QTableWidgetItem *colorItem = new QTableWidgetItem;
          colorItem->setData(Qt::DisplayRole, pair.second);

          table->setItem(i, 0, nameItem);
          table->setItem(i, 1, colorItem);
      }
      table->resizeColumnToContents(0);
      table->horizontalHeader()->setStretchLastSection(true);

      QGridLayout *layout = new QGridLayout;
      layout->addWidget(table, 0, 0);

      setLayout(layout);

      setWindowTitle(tr("Color Editor Factory"));
  }