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Code for Color Editor Factory Example

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package com.trolltech.examples;

import java.util.*;

import com.trolltech.qt.*;
import com.trolltech.qt.core.*;
import com.trolltech.qt.gui.*;

class ColorListEditor extends QComboBox {
    public ColorListEditor() {
        this(null);
    }

    public ColorListEditor(QWidget widget) {
        super(widget);

        populateList();
    }

    @QtPropertyUser()
    @QtPropertyReader()
    public final QColor color() {
        return (QColor) itemData(currentIndex(), Qt.ItemDataRole.DecorationRole);
    }

    @QtPropertyWriter()
    public final void setColor(QColor color) {
        setCurrentIndex(findData(color, Qt.ItemDataRole.DecorationRole));
    }

    private void populateList() {
        List<String> colorNames = QColor.colorNames();

        for (int i = 0; i < colorNames.size(); ++i) {
            QColor color = new QColor(colorNames.get(i));

            insertItem(i, colorNames.get(i));
            setItemData(i, color, Qt.ItemDataRole.DecorationRole);
        }

    }
}

@QtJambiExample(name="Color Editor Factory")
public class ColorEditorFactory extends QWidget {

    QItemEditorCreatorBase colorListCreator;
    QItemEditorFactory factory;
    public ColorEditorFactory() {
        this(null);

        factory = new QItemEditorFactory();
        colorListCreator = new QStandardItemEditorCreator(ColorListEditor.class);

        factory.registerEditor(QVariant.Color, colorListCreator);
        QItemEditorFactory.setDefaultFactory(factory);

        createGUI();
    }

    public ColorEditorFactory(QWidget parent) {
        super(parent);
    }

    private void createGUI() {
        List<QPair<String, QColor>> list = new ArrayList<QPair<String, QColor>>();
        list.add(new QPair<String, QColor> (tr("Alice"), new QColor("aliceblue")));
        list.add(new QPair<String, QColor>(tr("Neptun"), new QColor("aquamarine")));
        list.add(new QPair<String, QColor>(tr("Ferdinand"), new QColor("springgreen")));

        QTableWidget table = new QTableWidget(3, 2);
        table.setHorizontalHeaderLabels(Arrays.asList(new String[] { "Name", "Hair color" } ));
        table.verticalHeader().setVisible(false);
        table.resize(150, 50);

        for (int i = 0; i < list.size(); ++i) {
            QPair<String, QColor> pair = list.get(i);

            QTableWidgetItem nameItem = new QTableWidgetItem(pair.first);
            QTableWidgetItem colorItem = new QTableWidgetItem();
            colorItem.setData(Qt.ItemDataRole.DisplayRole, pair.second);

            table.setItem(i, 0, nameItem);
            table.setItem(i, 1, colorItem);
        }
        table.resizeColumnToContents(0);
        table.horizontalHeader().resizeSection(1, 150);

        QGridLayout layout = new QGridLayout();
        layout.addWidget(table, 0, 0);

        setLayout(layout);

        setWindowTitle(tr("Color Editor Factory"));
        setWindowIcon(new QIcon("classpath:com/trolltech/images/qt-logo.png"));
    }


    public static void main(String args[]) {
        QApplication.initialize(args);

        ColorEditorFactory window = new ColorEditorFactory();
        window.show();

        QApplication.exec();
    }
}


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Qt Jambi 4.5.2_01