org.ripla.web.demo.widgets.views.TreeWidgetsView.java Source code

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Here is the source code for org.ripla.web.demo.widgets.views.TreeWidgetsView.java

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/*******************************************************************************
 * Copyright (c) 2012-2013 RelationWare, Benno Luthiger
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * RelationWare, Benno Luthiger
 ******************************************************************************/

package org.ripla.web.demo.widgets.views;

import org.ripla.interfaces.IMessages;
import org.ripla.web.demo.widgets.Activator;
import org.ripla.web.demo.widgets.data.CountryBean;
import org.ripla.web.demo.widgets.data.CountryTree;
import org.ripla.web.util.Popup;

import com.vaadin.event.ItemClickEvent;
import com.vaadin.ui.Tree;
import com.vaadin.ui.VerticalLayout;

/**
 * The view to display the Vaadin tree widgets.
 * 
 * @author Luthiger
 */
@SuppressWarnings("serial")
public class TreeWidgetsView extends AbstractWidgetsView {

    /**
     * @param inCountryContainer
     */
    public TreeWidgetsView(final CountryTree inCountries) {
        super();

        final IMessages lMessages = Activator.getMessages();
        final VerticalLayout lLayout = initLayout(lMessages, "widgets.title.page.tree"); //$NON-NLS-1$

        final Tree lTree = new Tree(lMessages.getMessage("widgets.view.tree.title")); //$NON-NLS-1$
        lTree.setContainerDataSource(inCountries);
        lTree.setImmediate(true);
        lTree.addItemClickListener(new ItemClickEvent.ItemClickListener() {
            @Override
            public void itemClick(final ItemClickEvent inEvent) {
                final Object lItem = inEvent.getItemId();
                if (lItem instanceof CountryBean) {
                    Popup.displayPopup(lMessages.getMessage("widgets.view.tree.popup"), //$NON-NLS-1$
                            createCountryPopup((CountryBean) lItem), 260, 685);
                } else {
                    if (lTree.isExpanded(lItem)) {
                        lTree.collapseItem(lItem);
                    } else {
                        lTree.expandItem(lItem);
                    }
                }
            }
        });

        lLayout.addComponent(lTree);
    }

}