lwtreecustomviewsample.java

Zaval Light-Weight Visual Components Library (LwVCL) is a pure Java alternative to humble AWT-based

/**
 *     Caption: Zaval Light-Weight Visual Components Library
 *     $Revision: 2.79 $
 *     $Date: 2003/08/22 11:24:16 $
 *
 *     @author:     Andrei Vishnevsky
 *     @version:    3.50
 *
 * Zaval Light-Weight Visual Components Library (LwVCL) is a pure Java
 * alternative to humble AWT-based and SWING-based GUI interfaces for
 * wide ranges of platforms, including J2SE, PersonalJava and J2ME.
 *
 * Designed as light-weight but, alternatively to Swing, built separately
 * from AWT (not on top of the java.awt library like Swing), the LwVCL is
 * the good alternative to highly performant, memory-efficient, flexible
 * GUI solution for embedded, stand-alone and applet applications.
 *
 * For more info on this product read Zaval Light-Weight Visual Components Library Tutorial
 * (It comes within this package).
 * The latest product version is always available from the product's homepage:
 * http://www.zaval.org/products/lwvcl/
 * and from the SourceForge:
 * http://sourceforge.net/projects/zaval0003/
 *
 * Contacts:
 *   Support : [e-mail]
 *   Change Requests : [e-mail]
 *   Feedback : [e-mail]
 *   Other : [e-mail]
 *
 * Copyright (C) 2001-2003  Zaval Creative Engineering Group (http://www.zaval.org)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * (version 2) as published by the Free Software Foundation.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */
package org.zaval.lw.samples;

import java.awt.*;
import org.zaval.lw.*;
import org.zaval.lw.event.*;
import org.zaval.lw.grid.*;
import org.zaval.lw.tree.*;
import org.zaval.misc.*;
import org.zaval.data.*;

public class LwTreeCustomViewSample
extends LwSample
{

  public /*C#override*/ LwPanel createSamplePanel()
  {
    LwPanel r = new LwPanel();

    Item root = new Item("root");
    Tree data = new Tree(root);
    data.add (root, new Item("Child 1"));
    data.add (root, new Item("Child 2"));
    LwTree tree = new LwTree(data);

    tree.setViewProvider(new LwTreeCustomViewSample.LwCustomViewProvider());
    r.setLwLayout(new LwBorderLayout());
    r.add (LwBorderLayout.CENTER, tree);
    return r;
  }

  public static void main (String[] args) {
    runSampleApp(250, 180, new LwTreeCustomViewSample());
  }

  class LwCustomViewProvider
  implements LwViewProvider
  {
    public LwView getView(Drawable d, Object obj)
    {
       LwPanel panel = new  LwPanel();
       panel.setLwLayout(new LwFlowLayout());
       LwImage  icon = new LwImage("samples/img/lw.gif");
       String    value = (String)((Item)obj).getValue();
       LwLabel   title = new LwLabel(value);
       panel.add (icon);
       panel.add (title);
       return new LwCompRender(panel);
    }
  }
}