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[nikiroo-utils.git] / src / jexer / demos / DemoTreeViewWindow.java

/*
 * Jexer - Java Text User Interface
 *
 * License: LGPLv3 or later
 *
 * This module is licensed under the GNU Lesser General Public License
 * Version 3.  Please see the file "COPYING" in this directory for more
 * information about the GNU Lesser General Public License Version 3.
 *
 *     Copyright (C) 2015  Kevin Lamonte
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) 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 Lesser General Public
 * License along with this program; if not, see
 * http://www.gnu.org/licenses/, or write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
 * @version 1
 */
package jexer.demos;

import java.io.IOException;

import jexer.*;
import jexer.event.*;

/**
 * This window demonstates the TTreeView widget.
 */
public class DemoTreeViewWindow extends TWindow {

    /**
     * Hang onto my TTreeView so I can resize it with the window.
     */
    private TTreeView treeView;

    /**
     * Public constructor.
     *
     * @param parent the main application
     */
    public DemoTreeViewWindow(TApplication parent) throws IOException {
        super(parent, "Tree View", 0, 0, 44, 16, TWindow.RESIZABLE);

        // Load the treeview with "stuff"
        treeView = addTreeView(1, 1, 40, 12);
        new TDirectoryTreeItem(treeView, ".", true);
    }

    /**
     * Handle window/screen resize events.
     *
     * @param resize resize event
     */
    @Override
    public void onResize(TResizeEvent resize) {
        if (resize.getType() == TResizeEvent.Type.WIDGET) {
            // Resize the text field
            treeView.setWidth(resize.getWidth() - 4);
            treeView.setHeight(resize.getHeight() - 4);
            treeView.reflow();
            return;
        }

        // Pass to children instead
        for (TWidget widget: getChildren()) {
            widget.onResize(resize);
        }
    }

}