/*
 * $Id$
 *
 * Copyright (C) 2003-2015 JNode.org
 *
 * This library 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 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; If not, write to the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package org.jnode.apps.debug;

import charva.awt.BorderLayout;
import charva.awt.Color;
import charva.awt.FlowLayout;
import charva.awt.Toolkit;
import charvax.swing.JFrame;
import charvax.swing.JPanel;
import charvax.swing.border.LineBorder;
import charvax.swing.border.TitledBorder;
import java.util.Vector;

/**
 * @author blind
 */
public class TC extends JFrame {
    private RootObjectPanel rootObjectPanel;
    private PropertiesPanel propertiesPane;
    private ListPanel resultPane;
    private JPanel contentPane;

    public TC() {
        super("JNode Test Client");
        initialize();
        setLocation(0, 0);
        setSize(80, 24);
        validate();
    }

    private void initialize() {
        contentPane = (JPanel) getContentPane();
        setBackground(Color.black);
        setForeground(Color.cyan);
        contentPane.setLayout(new BorderLayout());
        JPanel northPanel = new JPanel();
        northPanel.setLayout(new FlowLayout());
        northPanel.add(getRootObjectPanel());
        northPanel.add(getPropertiesPane());
        contentPane.add(northPanel, BorderLayout.NORTH);
        contentPane.add(getResultPane(), BorderLayout.CENTER);
        getRootObjectPanel().fill();
    }

    protected RootObjectPanel getRootObjectPanel() {
        if (rootObjectPanel == null) {
            rootObjectPanel = new RootObjectPanel(38, 10) {
                public void elementSelected(Object o) {
                    getPropertiesPane().fillPanel(o);
                }
            };
            rootObjectPanel.setBorder(new LineBorder(Color.green));
            rootObjectPanel.setBorder(new TitledBorder(new LineBorder(
                Color.green), "root objects"));
        }
        return rootObjectPanel;
    }

    protected PropertiesPanel getPropertiesPane() {
        if (propertiesPane == null) {
            propertiesPane = new PropertiesPanel(38, 10) {
                public void elementSelected(Object o) {
                    Object result = null;
                    try {
                        if (o instanceof ObjectFieldPair) {
                            ObjectFieldPair ofp = (ObjectFieldPair) o;
                            result = ofp.getField().get(ofp.getObject());
                        }
                        if (o instanceof ObjectMethodPair) {
                            ObjectMethodPair omp = (ObjectMethodPair) o;
                            //TODO: support for methods that take arguments
                            result = omp.getMethod().invoke(omp.getObject());
                        }
                    } catch (Exception ex) {
                        addResultItem(ex);
                    }
                    addResultItem(result);
                }
            };
            //propertiesPane.setBorder(new LineBorder(Color.green));
            propertiesPane.setBorder(new TitledBorder(new LineBorder(
                Color.green), "fields & methods"));
        }
        return propertiesPane;
    }

    private ListPanel getResultPane() {
        if (resultPane == null) {
            resultPane = new ListPanel(75, 10) {
                public void elementSelected(Object o) {
                    if (o != null) {
                        final Vector<ListElement> newList = new Vector<ListElement>();
                        newList.addElement(new ListElement(o, getElementLabel(o)));
                        getRootObjectPanel().setList(newList);
                    }
                }
            };
            resultPane.setBorder(new LineBorder(Color.green));
            resultPane.setForeground(Color.cyan);
            resultPane.setBorder(new TitledBorder(new LineBorder(
                Color.green), "values"));
        }
        return resultPane;
    }

    protected void addResultItem(Object o) {
        Vector<ListElement> resultList = getResultPane().getList();
        if (resultList == null) {
            resultList = new Vector<ListElement>();
        }
        String label = (o == null) ? "null" : o.getClass().getName() + " [" + o.toString() + "]";
        resultList.addElement(new ListElement(o, label));
        getResultPane().setList(resultList);
        getResultPane().positionToLastRow();
    }

    public static void main(String[] args) {
        Toolkit.getDefaultToolkit().register(); //JNODE
        TC tc = new TC();
        tc.setVisible(true);
    }
}