/*
 * Copyright (C) 2010 Brockmann Consult GmbH (info@brockmann-consult.de)
 *
 * This program 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 (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 General Public License along
 * with this program; if not, see http://www.gnu.org/licenses/
 */
package com.bc.ceres.swing.binding.internal;

import com.bc.ceres.binding.PropertyDescriptor;
import com.bc.ceres.swing.binding.Binding;
import com.bc.ceres.swing.binding.BindingContext;
import com.bc.ceres.swing.binding.ComponentAdapter;
import com.bc.ceres.swing.binding.PropertyEditor;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

/**
 * An editor for directory names using a file chooser dialog with file selection mode DIRECTORIES_ONLY.
 *
 * @author Olaf Danne
 */
public class DirectoryEditor extends PropertyEditor {

    @Override
    public boolean isValidFor(PropertyDescriptor propertyDescriptor) {
        return File.class.isAssignableFrom(propertyDescriptor.getType())
               && Boolean.TRUE.equals(propertyDescriptor.getAttribute("directory"));
    }

    @Override
    public JComponent createEditorComponent(PropertyDescriptor propertyDescriptor, BindingContext bindingContext) {
        final JTextField textField = new JTextField();
        final ComponentAdapter adapter = new TextComponentAdapter(textField);
        final Binding binding = bindingContext.bind(propertyDescriptor.getName(), adapter);
        final JPanel editorPanel = new JPanel(new BorderLayout(2, 2));
        editorPanel.add(textField, BorderLayout.CENTER);
        final JButton etcButton = new JButton("...");
        final Dimension size = new Dimension(26, 16);
        etcButton.setPreferredSize(size);
        etcButton.setMinimumSize(size);
        etcButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                final JFileChooser fileChooser = new JFileChooser();
                fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
                int i = fileChooser.showDialog(editorPanel, "Select");
                if (i == JFileChooser.APPROVE_OPTION && fileChooser.getSelectedFile() != null) {
                    binding.setPropertyValue(fileChooser.getSelectedFile());
                }
            }
        });
        editorPanel.add(etcButton, BorderLayout.EAST);
        return editorPanel;
    }
}