EDIT

package eu.etaxonomy.cdm.vaadin.view.dbstatus;

import com.vaadin.ui.AbstractLayout;

import com.vaadin.ui.AbstractOrderedLayout;

import com.vaadin.ui.Button;

import com.vaadin.ui.CustomComponent;

import com.vaadin.ui.HorizontalLayout;

import com.vaadin.ui.Window;

import eu.etaxonomy.cdm.vaadin.presenter.dbstatus.settings.SettingsPresenter;

@SuppressWarnings("serial")

public abstract class AbstractSettingsDialogWindow extends CustomComponent {

	protected Button okButton;

	protected Button cancelButton;

	protected final SettingsPresenter presenter;

	protected Window window;

	protected AbstractOrderedLayout mainLayout;

	public AbstractSettingsDialogWindow() {

        buildMainLayout();

        presenter = new SettingsPresenter();

        init();

	}

	protected abstract AbstractLayout buildMainLayout();

	protected abstract void init();

	protected HorizontalLayout createOkCancelButtons() {

		HorizontalLayout buttonToolBar = new HorizontalLayout();

	    // cancelButton

	    cancelButton = new Button();

	    cancelButton.setCaption("Cancel");

	    cancelButton.setImmediate(true);

	    cancelButton.addStyleName("dialogButton");

	    buttonToolBar.addComponent(cancelButton);

	    // okButton

	    okButton = new Button();

	    okButton.setCaption("OK");

	    okButton.setImmediate(true);

	    okButton.addStyleName("dialogButton");

	    buttonToolBar.addComponent(okButton);

		return buttonToolBar;

	}

	public Window createWindow() {

	    window = new Window();

	    window.setModal(true);

	    window.setWidth("60%");

	    window.setHeight("80%");

	    window.setCaption("Distribution Settings");

	    window.setContent(mainLayout);

	    return window;

	}

	/**

	 * Update OK/Cancel button depending on {@link #isValid()}

	 */

	protected void updateButtons(){

		okButton.setEnabled(isValid());

	}

	/**

	 * Evaluates if this dialog has all necessary values set in

	 * a correct state

	 * @return <code>true</code> if the status of this dialog is valid

	 */

	protected abstract boolean isValid();

}