org.pepstock.jem.gwt.client.Footer.java Source code

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Here is the source code for org.pepstock.jem.gwt.client.Footer.java

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/**
JEM, the BEE - Job Entry Manager, the Batch Execution Environment
Copyright (C) 2012-2015  Marco "Fuzzo" Cuccato
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version.
    
This program 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.pepstock.jem.gwt.client;

import org.pepstock.jem.gwt.client.about.AboutPanel;
import org.pepstock.jem.gwt.client.commons.Images;
import org.pepstock.jem.gwt.client.commons.ServiceAsyncCallback;
import org.pepstock.jem.gwt.client.commons.SharedObjects;
import org.pepstock.jem.gwt.client.commons.Styles;
import org.pepstock.jem.gwt.client.commons.Toast;
import org.pepstock.jem.gwt.client.notify.NotifyPanel;
import org.pepstock.jem.gwt.client.services.Services;
import org.pepstock.jem.log.MessageLevel;
import org.pepstock.jem.node.About;

import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;

/**
 * This is the footer element of Jem home screen
 * @author Marco "Fuzzo" Cuccato
 */
public class Footer extends HorizontalPanel implements ResizeCapable {

    static {
        Styles.INSTANCE.common().ensureInjected();
    }

    private final HTML license = new HTML(SharedObjects.LICENSE);

    // 16px of images plus 6 for padding
    private static final int NOTIFY_IMAGE_SIZE = 22;

    /**
     *
     */
    public Footer() {
        license.addStyleName(Styles.INSTANCE.common().footer());
        license.addClickHandler(new FooterClickHandler());

        Image image = new Image(Images.INSTANCE.notifySmall());
        image.setTitle("Messages history");
        image.addStyleName(Styles.INSTANCE.common().notifyImage());
        image.addClickHandler(new ClickHandler() {

            @Override
            public void onClick(ClickEvent event) {
                // sets data to table to show it
                NotifyPanel p = new NotifyPanel();
                p.center();
            }
        });

        add(license);
        add(image);
    }

    /* (non-Javadoc)
     * @see org.pepstock.jem.gwt.client.ResizeCapable#onResize(int, int)
     */
    @Override
    public void onResize(int availableWidth, int availableHeight) {
        license.setSize(Sizes.toString(availableWidth - NOTIFY_IMAGE_SIZE), Sizes.toString(availableHeight));
    }

    private static class FooterClickHandler implements ClickHandler {
        @Override
        public void onClick(ClickEvent event) {
            Scheduler scheduler = Scheduler.get();
            scheduler.scheduleDeferred(new AboutCommand());
        }

        private static class AboutCommand implements ScheduledCommand {

            @Override
            public void execute() {
                Services.INFO_SERVICE.getAbout(new ServiceAsyncCallback<About>() {

                    @Override
                    public void onJemFailure(Throwable caught) {
                        new Toast(MessageLevel.ERROR, caught.getMessage(), "Search error!").show();
                    }

                    @Override
                    public void onJemSuccess(About result) {
                        // sets data to table to show it
                        AboutPanel p = new AboutPanel(result);
                        p.center();
                    }

                    @Override
                    public void onJemExecuted() {
                        // do nothing
                    }
                });
            }
        }
    }

}