edu.nps.moves.mmowgli.modules.cards.EditCardTextWindow.java Source code

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Here is the source code for edu.nps.moves.mmowgli.modules.cards.EditCardTextWindow.java

Source

/*
  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.cards;

import com.vaadin.server.Page;
import com.vaadin.ui.*;
import com.vaadin.ui.Button.ClickEvent;

/**
 * EditCardTextWindow.java
 * Created on May 3, 2010
 * Updated on 12 Mar, 2014
 *
 * MOVES Institute
 * Naval Postgraduate School, Monterey, CA, USA
 * www.nps.edu
 *
 * @author Mike Bailey, jmbailey@nps.edu
 * @version $Id$
 */
public class EditCardTextWindow extends Window {
    private static final long serialVersionUID = -8217172020066011334L;

    private Button saveButt, cancelButt;

    private TextArea ta;
    private int characterLimit = 140;

    public EditCardTextWindow() {
        this(null);
    }

    public EditCardTextWindow(String text) {
        this(text, null);
    }

    public EditCardTextWindow(String text, Integer charLim) {
        super("Edit card text");

        if (charLim != null)
            characterLimit = charLim;

        setModal(true);
        VerticalLayout layout = new VerticalLayout();
        setContent(layout);
        layout.setMargin(true);
        layout.setSpacing(true);
        ta = new TextArea();
        ta.setRows(10);
        ta.setColumns(50);
        if (text != null) {
            ta.setValue(text);
            ta.selectAll();
        } else
            ta.setInputPrompt("Type card text here");
        layout.addComponent(ta);

        HorizontalLayout buttHL = new HorizontalLayout();
        buttHL.setSpacing(true);

        WindowCloser closeListener = new WindowCloser(this);
        cancelButt = new Button("Cancel", closeListener);
        buttHL.addComponent(cancelButt);

        saveButt = new Button("Save", closeListener);
        saveButt.addClickListener(closeListener);
        buttHL.addComponent(saveButt);

        layout.addComponent(buttHL);

        layout.setSizeUndefined(); // does a "pack"
        UI.getCurrent().addWindow(this);
        ta.focus();
    }

    public String results = null;

    @SuppressWarnings("serial")
    private class WindowCloser implements Button.ClickListener {
        Window w;

        WindowCloser(Window w) {
            this.w = w;
        }

        public void buttonClick(ClickEvent event) {
            if (event.getButton() == saveButt) {
                results = ta.getValue().toString();
                if (results.length() > characterLimit) {
                    new Notification("Entry too long.",
                            "The limit is " + characterLimit + ".<br/>You entered " + results.length()
                                    + " characters.",
                            Notification.Type.ERROR_MESSAGE, true).show(Page.getCurrent());
                    return;
                }
            } else
                results = null;
            UI.getCurrent().removeWindow(w);
        }
    }
}