SwingWidgetsServiceProvider.java example

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/*
 * Copyright (c) 2010, grossmann
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
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 *   documentation and/or other materials provided with the distribution.
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 *   names of its contributors may be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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package org.jowidgets.spi.impl.swing.common;

import java.awt.Component;
import java.awt.Point;
import java.awt.Window;
import java.util.LinkedList;
import java.util.List;

import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;

import org.jowidgets.common.application.IApplicationRunner;
import org.jowidgets.common.image.IImageRegistry;
import org.jowidgets.common.threads.IUiThreadAccessCommon;
import org.jowidgets.common.types.Position;
import org.jowidgets.common.widgets.IComponentCommon;
import org.jowidgets.spi.IOptionalWidgetsFactorySpi;
import org.jowidgets.spi.IWidgetFactorySpi;
import org.jowidgets.spi.IWidgetsServiceProvider;
import org.jowidgets.spi.clipboard.IClipboardSpi;
import org.jowidgets.spi.image.IImageFactorySpi;
import org.jowidgets.spi.image.IImageHandleFactorySpi;
import org.jowidgets.spi.impl.swing.common.application.SwingApplicationRunnerFactory;
import org.jowidgets.spi.impl.swing.common.clipboard.SwingClipboard;
import org.jowidgets.spi.impl.swing.common.image.SwingImageFactory;
import org.jowidgets.spi.impl.swing.common.image.SwingImageHandleFactorySpi;
import org.jowidgets.spi.impl.swing.common.image.SwingImageRegistry;
import org.jowidgets.spi.impl.swing.common.threads.SwingUiThreadAccess;
import org.jowidgets.spi.impl.swing.common.util.PositionConvert;
import org.jowidgets.util.Assert;
import org.jowidgets.util.IFactory;

public class SwingWidgetsServiceProvider implements IWidgetsServiceProvider {

    private final IFactory<IApplicationRunner> applicationRunnerFactory;
    private final SwingImageHandleFactorySpi imageHandleFactorySpi;
    private final SwingImageRegistry imageRegistry;
    private final SwingImageFactory imageFactory;
    private final SwingWidgetFactory widgetFactory;
    private final SwingOptionalWidgetsFactory optionalWidgetsFactory;

    private SwingClipboard clipboard;

    public SwingWidgetsServiceProvider() {
        this(new SwingApplicationRunnerFactory());
    }

    public SwingWidgetsServiceProvider(final IFactory<IApplicationRunner> applicationRunnerFactory) {
        Assert.paramNotNull(applicationRunnerFactory, "applicationRunnerFactory");
        this.applicationRunnerFactory = applicationRunnerFactory;
        this.imageRegistry = SwingImageRegistry.getInstance();
        //workaround to avoid double image registration of toolkit is created more than once
        //TODO remove image registry singleton
        this.imageRegistry.clear();
        this.imageHandleFactorySpi = new SwingImageHandleFactorySpi(imageRegistry);
        this.imageFactory = new SwingImageFactory(imageHandleFactorySpi);
        this.widgetFactory = new SwingWidgetFactory(imageRegistry);
        this.optionalWidgetsFactory = new SwingOptionalWidgetsFactory();
    }

    @Override
    public IClipboardSpi getClipboard() {
        if (!SwingUtilities.isEventDispatchThread()) {
            throw new IllegalStateException("The clipboard must be created in the events dispatcher thread");
        }
        if (clipboard == null) {
            this.clipboard = new SwingClipboard();
        }
        return clipboard;
    }

    @Override
    public IImageRegistry getImageRegistry() {
        return imageRegistry;
    }

    @Override
    public IImageHandleFactorySpi getImageHandleFactory() {
        return imageHandleFactorySpi;
    }

    @Override
    public IImageFactorySpi getImageFactory() {
        return imageFactory;
    }

    @Override
    public IWidgetFactorySpi getWidgetFactory() {
        return widgetFactory;
    }

    @Override
    public IOptionalWidgetsFactorySpi getOptionalWidgetFactory() {
        return optionalWidgetsFactory;
    }

    @Override
    public IUiThreadAccessCommon createUiThreadAccess() {
        return new SwingUiThreadAccess();
    }

    @Override
    public IApplicationRunner createApplicationRunner() {
        return applicationRunnerFactory.create();
    }

    @Override
    public Object getActiveWindowUiReference() {
        for (final Window window : Window.getWindows()) {
            if (window.isActive()) {
                return window;
            }
        }
        return null;
    }

    @Override
    public List<Object> getAllWindowsUiReference() {
        final List<Object> result = new LinkedList<Object>();
        for (final Window window : Window.getWindows()) {
            if (window.isDisplayable()) {
                result.add(window);
            }
        }
        return result;
    }

    @Override
    public Position toScreen(final Position localPosition, final IComponentCommon component) {
        final Point result = PositionConvert.convert(localPosition);

        if ((component.getUiReference() instanceof JFrame)) {
            SwingUtilities.convertPointToScreen(result, ((JFrame) component.getUiReference()).getContentPane());
        }
        else if ((component.getUiReference() instanceof JDialog)) {
            SwingUtilities.convertPointToScreen(result, ((JDialog) component.getUiReference()).getContentPane());
        }
        else if ((component.getUiReference() instanceof Component)) {
            SwingUtilities.convertPointToScreen(result, (Component) component.getUiReference());
        }
        else {
            throw new IllegalArgumentException("UiReference of component must be instance of '" + Component.class.getName() + "'");
        }

        return PositionConvert.convert(result);
    }

    @Override
    public Position toLocal(final Position screenPosition, final IComponentCommon component) {
        final Point result = PositionConvert.convert(screenPosition);

        if ((component.getUiReference() instanceof JFrame)) {
            SwingUtilities.convertPointFromScreen(result, ((JFrame) component.getUiReference()).getContentPane());
        }
        else if ((component.getUiReference() instanceof JDialog)) {
            SwingUtilities.convertPointFromScreen(result, ((JDialog) component.getUiReference()).getContentPane());
        }
        else if ((component.getUiReference() instanceof Component)) {
            SwingUtilities.convertPointFromScreen(result, (Component) component.getUiReference());
        }
        else {
            throw new IllegalArgumentException("UiReference of component must be instance of '" + Component.class.getName() + "'");
        }

        return PositionConvert.convert(result);
    }
}