org.ow2.petals.client.swt.dialogs.AboutDialog.java Source code

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Here is the source code for org.ow2.petals.client.swt.dialogs.AboutDialog.java

Source

/****************************************************************************
 *
 * Copyright (c) 2012, Linagora
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *****************************************************************************/

package org.ow2.petals.client.swt.dialogs;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Shell;
import org.ow2.petals.client.swt.ImageIds;

/**
 * A dialog that gives information about this component.
 * @author Vincent Zurczak - Linagora
 */
public class AboutDialog extends Dialog {

    private final Image petalsImg;

    /**
     * Constructor.
     * @param parentShell
     */
    public AboutDialog(Shell parentShell) {
        super(parentShell);
        setShellStyle(SWT.SHELL_TRIM);
        this.petalsImg = JFaceResources.getImage(ImageIds.PETALS_SPLASH);
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog
     * #close()
     */
    @Override
    public boolean close() {

        boolean result = super.close();
        if (this.petalsImg != null && !this.petalsImg.isDisposed())
            this.petalsImg.dispose();

        return result;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog
     * #createDialogArea(org.eclipse.swt.widgets.Composite)
     */
    @Override
    protected Control createDialogArea(Composite parent) {

        getShell().setText("About");

        Composite container = new Composite(parent, SWT.NONE);
        container.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));
        container.setLayout(new GridLayout(2, false));
        GridDataFactory.fillDefaults().hint(700, SWT.DEFAULT).applyTo(container);

        // The image
        Label imgLabel = new Label(container, SWT.NONE);
        imgLabel.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));
        imgLabel.setImage(this.petalsImg);

        // The "about" text
        Composite subContainer = new Composite(container, SWT.NONE);
        subContainer.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));
        GridLayoutFactory.swtDefaults().margins(0, 0).applyTo(subContainer);
        subContainer.setLayoutData(new GridData(GridData.FILL_BOTH));

        Label aboutLabel = new Label(subContainer, SWT.WRAP);
        aboutLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        aboutLabel.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));
        aboutLabel.setText("\n\nPetals Client Component\n\n"
                + "This user interface was created by a Petals component.\n"
                + "It will run as long as the component is deployed in Petals ESB.\n"
                + "The Petals Client Component is a small utility program that aims at defining, sending and saving requests for Petals services.\n");

        Link visitUsLink = new Link(subContainer, SWT.NONE);
        visitUsLink.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));
        visitUsLink.setText("\nVisit Petals ESB at <a>http://petals.ow2.org</a>\n"
                + "Visit Petals Link at <a>http://petalslink.com</a>\n"
                + "Get more information about Linagora at <a>http://linagora.com</a>");

        aboutLabel = new Label(subContainer, SWT.WRAP);
        aboutLabel.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));
        aboutLabel.setText("\n\"Petals Link\" is a registered Trademark of Linagora.\n"
                + "(c) Copyright Linagora, 2012 - All Rights Reserved\n");

        return container;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog
     * #createButtonBar(org.eclipse.swt.widgets.Composite)
     */
    @Override
    protected Control createButtonBar(Composite parent) {

        Control control = super.createButtonBar(parent);
        control.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));
        parent.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));

        Button b = getButton(Dialog.OK);
        if (b != null)
            b.setFocus();

        return control;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog
     * #createButton(org.eclipse.swt.widgets.Composite, int, java.lang.String, boolean)
     */
    @Override
    protected Button createButton(Composite parent, int id, String label, boolean defaultButton) {
        return id == Dialog.CANCEL ? null : super.createButton(parent, id, label, defaultButton);
    }
}