edu.nps.moves.mmowgli.modules.administration.VideoChangerComponent.java Source code

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Here is the source code for edu.nps.moves.mmowgli.modules.administration.VideoChangerComponent.java

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/*
  Copyright (C) 2010-2014 Modeling Virtual Environments and Simulation
  (MOVES) Institute at the Naval Postgraduate School (NPS)
  http://www.MovesInstitute.org and http://www.nps.edu
     
  This file is part of Mmowgli.
      
  Mmowgli 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.
    
  Mmowgli 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 Mmowgli in the form of a file named COPYING.  If not,
  see <http://www.gnu.org/licenses/>
*/

package edu.nps.moves.mmowgli.modules.administration;

import java.lang.reflect.Method;

import com.vaadin.ui.*;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.themes.Reindeer;

import edu.nps.moves.mmowgli.db.Media;
import edu.nps.moves.mmowgli.db.MovePhase;
import edu.nps.moves.mmowgli.hibernate.HSess;
import edu.nps.moves.mmowgli.markers.HibernateClosed;
import edu.nps.moves.mmowgli.markers.HibernateOpened;
import edu.nps.moves.mmowgli.markers.MmowgliCodeEntry;

/**
 * VideoChangerComponent.java
 * Created on Apr 4, 2013
 *
 * MOVES Institute
 * Naval Postgraduate School, Monterey, CA, USA
 * www.nps.edu
 *
 * @author Mike Bailey, jmbailey@nps.edu
 * @version $Id$
 */
public class VideoChangerComponent extends HorizontalLayout implements ClickListener {
    private static final long serialVersionUID = -1085118491132091846L;

    private MovePhase mp;
    private Media currentMedia;
    private Method movePhaseSetter;
    private TextField roTF;

    VideoChangerComponent(MovePhase mp, String setterMethodName, Media m, GameDesignGlobals globs) {
        this.mp = mp;
        this.currentMedia = m;
        try {
            movePhaseSetter = MovePhase.class.getDeclaredMethod(setterMethodName, new Class<?>[] { Media.class });
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        setSpacing(true);
        setMargin(false);
        setSizeUndefined();

        addComponent(roTF = new TextField());
        roTF.addStyleName("m-textarea-greyborder");
        //tf.setColumns(20);
        roTF.setValue(currentMedia == null ? "" : currentMedia.getUrl());
        roTF.setReadOnly(true);
        Button butt;
        addComponent(butt = new Button("change", this));
        setComponentAlignment(butt, Alignment.MIDDLE_CENTER);
        butt.addStyleName(Reindeer.BUTTON_SMALL);
        butt.setReadOnly(globs.readOnlyCheck(false));
        butt.setEnabled(!butt.isReadOnly());
    }

    public void setNewPhase(MovePhase mp, Media m) {
        this.mp = mp;
        this.currentMedia = m;
        roTF.setReadOnly(false);
        roTF.setValue(currentMedia == null ? "" : currentMedia.getUrl());
        roTF.setReadOnly(true);
    }

    @Override
    public void buttonClick(ClickEvent event) {
        new EditYoutubeIdDialog().showDialog(this);
    }

    @SuppressWarnings("serial")
    public class EditYoutubeIdDialog extends Window {
        TextField tf;
        Button saveButt, cancelButt;

        public EditYoutubeIdDialog() {
            super("Enter new Youtube ID");
            setSizeUndefined();
            setWidth("285px");
            VerticalLayout vLay;
            setContent(vLay = new VerticalLayout());
            vLay.setSpacing(true);
            vLay.setMargin(true);

            vLay.addComponent(tf = new TextField("Youtube ID"));
            tf.setColumns(20);

            HorizontalLayout buttHLay;
            vLay.addComponent(buttHLay = new HorizontalLayout());
            buttHLay.setWidth("100%");
            buttHLay.setSpacing(true);
            Label lab;
            buttHLay.addComponent(lab = new Label());
            lab.setWidth("1px");
            buttHLay.setExpandRatio(lab, 1.0f);
            buttHLay.addComponent(cancelButt = new Button("Cancel", saveCancelListener));
            buttHLay.addComponent(saveButt = new Button("Save", saveCancelListener));
        }

        public void showDialog(Component parent) {
            UI.getCurrent().addWindow(this);
            center();
        }

        ClickListener saveCancelListener = new ClickListener() {
            @Override
            @MmowgliCodeEntry
            @HibernateOpened
            @HibernateClosed
            public void buttonClick(ClickEvent event) {
                if (event.getButton() == saveButt) {
                    String newUrl = tf.getValue().toString().trim();
                    if (currentMedia != null && newUrl.equals(currentMedia.getUrl()))
                        return;

                    HSess.init();
                    Media m;
                    if (newUrl.length() <= 0 && currentMedia != null) {
                        m = null;
                    } else if (currentMedia != null) {
                        m = new Media();
                        m.cloneFrom(currentMedia);
                        m.setUrl(newUrl);
                    } else {
                        m = Media.newYoutubeMedia(newUrl);
                    }

                    if (m != null)
                        Media.saveTL(m);
                    try {
                        movePhaseSetter.invoke(mp, m);
                    } catch (Exception e) {
                        throw new RuntimeException(e);
                    }
                    MovePhase.updateTL(mp);

                    currentMedia = m;
                    roTF.setReadOnly(false);
                    roTF.setValue(newUrl);
                    roTF.setReadOnly(true);

                    HSess.close();
                }
                UI.getCurrent().removeWindow(EditYoutubeIdDialog.this);
            }
        };
    }
}