WindowImpl.java example

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jo-widgets-master
/*
 * Copyright (c) 2010, Michael 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
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the jo-widgets.org nor the
 * 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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package org.jowidgets.spi.impl.swt.common.widgets;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ShellEvent;
import org.eclipse.swt.events.ShellListener;
import org.eclipse.swt.widgets.Shell;
import org.jowidgets.common.widgets.factory.IGenericWidgetFactory;
import org.jowidgets.spi.impl.swt.common.image.SwtImageRegistry;
import org.jowidgets.spi.widgets.IWindowSpi;

public class WindowImpl extends SwtWindow implements IWindowSpi {

    private boolean programaticDispose;

    public WindowImpl(
        final IGenericWidgetFactory factory,
        final Shell window,
        final boolean isCloseable,
        final SwtImageRegistry imageRegistry) {
        super(factory, window, imageRegistry);

        this.programaticDispose = false;

        getUiReference().addShellListener(new ShellListener() {

            @Override
            public void shellActivated(final ShellEvent e) {
                getWindowObservableDelegate().fireWindowActivated();
            }

            @Override
            public void shellDeactivated(final ShellEvent e) {
                getWindowObservableDelegate().fireWindowDeactivated();
            }

            @Override
            public void shellIconified(final ShellEvent e) {
                getWindowObservableDelegate().fireWindowIconified();
            }

            @Override
            public void shellDeiconified(final ShellEvent e) {
                getWindowObservableDelegate().fireWindowDeiconified();
            }

            @Override
            public void shellClosed(final ShellEvent e) {
                //Do not close the shell when 'X' is pressed, except
                //dispose method was invoked
                if (!programaticDispose) {
                    e.doit = false;
                    if (isCloseable) {
                        final boolean veto = getWindowObservableDelegate().fireWindowClosing();
                        if (!veto && !getUiReference().isDisposed()) {
                            getUiReference().setVisible(false);
                        }
                        else {
                            return;
                        }
                    }
                    else {
                        return;
                    }
                }
                getWindowObservableDelegate().fireWindowClosed();
            }
        });

        getUiReference().setBackgroundMode(SWT.INHERIT_DEFAULT);
    }

    @Override
    public void dispose() {
        if (!getUiReference().isDisposed()) {
            programaticDispose = true;
            if (isVisible()) {
                setVisible(false);
            }
            getUiReference().dispose();
            programaticDispose = false;
        }
    }

    @Override
    public boolean isVisible() {
        return getUiReference().isVisible();
    }
}