|  | Home · Examples

# Code for Color Editor Factory Example

    /****************************************************************************
    **
    ** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
    **
    ** This file is part of Qt Jambi.
    **
    ** ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
    ** General Public Licensing requirements will be met:
    ** http://www.trolltech.com/products/qt/opensource.html
    **
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://www.trolltech.com/products/qt/licensing.html or contact the
    ** sales department at sales@trolltech.com.

    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ****************************************************************************/

    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();
        }
    }