eu.esdihumboldt.hale.ui.util.wizard.HaleWizardDialog.java Source code

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Here is the source code for eu.esdihumboldt.hale.ui.util.wizard.HaleWizardDialog.java

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/*
 * Copyright (c) 2012 Data Harmonisation Panel
 * 
 * All rights reserved. This program and the accompanying materials are made
 * available under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     Data Harmonisation Panel <http://www.dhpanel.eu>
 */

package eu.esdihumboldt.hale.ui.util.wizard;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Shell;

/**
 * Wizard dialog which adds supports custom title images from
 * {@link TitleImageWizard}s.
 * 
 * @author Simon Templer
 */
public class HaleWizardDialog extends WizardDialog {

    /**
     * @see WizardDialog#WizardDialog(Shell, IWizard)
     */
    public HaleWizardDialog(Shell parentShell, IWizard newWizard) {
        super(parentShell, newWizard);
    }

    /**
     * Enables or disabled the help button.
     * 
     * @param enabled the new help button status
     */
    public void setHelpButtonEnabled(boolean enabled) {
        Button helpButton = getButton(IDialogConstants.HELP_ID);
        if (helpButton != null)
            helpButton.setEnabled(enabled);
    }

    /**
     * @see org.eclipse.jface.wizard.WizardDialog#close()
     */
    @Override
    public boolean close() {
        // Bug in WizardDialog: close tray first!
        if (getTray() != null)
            closeTray();
        return super.close();
    }

    /**
     * @see WizardDialog#configureShell(Shell)
     */
    @Override
    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);

        if (getWizard() instanceof TitleImageWizard) {
            TitleImageWizard tiw = (TitleImageWizard) getWizard();
            Image titleImage = tiw.getTitleImage();
            if (titleImage != null) {
                newShell.setImage(titleImage);
            }
        }
    }

}