/*
 * Copyright (c) 2002-2006 JGoodies Karsten Lentzsch. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 *  o Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer. 
 *     
 *  o Redistributions in binary form must reproduce the above copyright notice, 
 *    this list of conditions and the following disclaimer in the documentation 
 *    and/or other materials provided with the distribution. 
 *     
 *  o Neither the name of JGoodies Karsten Lentzsch nor the names of 
 *    its contributors may be used to endorse or promote products derived 
 *    from this software without specific prior written permission. 
 *     
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

package com.jgoodies.binding.tests;

import javax.swing.*;
import javax.swing.AbstractButton;
import javax.swing.JCheckBox;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JRadioButton;

import junit.framework.TestCase;

import com.jgoodies.binding.adapter.Bindings;
import com.jgoodies.binding.value.ValueHolder;
import com.jgoodies.binding.value.ValueModel;

/**
 * A test case for class {@link Bindings}.
 * 
 * @author  Jeanette Winzenburg
 * @author  Karsten Lentzsch
 * @version $Revision: 1.5 $
 */
public final class BindingsTest extends TestCase {
    

    private static final String TEXT_WITH_NEWLINE = 
        "First line\nsecond line";
    
    private static final String TEXT_WITHOUT_NEWLINE = 
        TEXT_WITH_NEWLINE.replace('\n', ' ');
    
    
    
    /**
     * Checks that the enablement of a JCheckBox is in synch 
     * with the enablement of its model after Binding#bind.
     */
    public void testCheckBoxEnablementInSynchWithModel() {
        JCheckBox box = new JCheckBox();
        box.setEnabled(false);
        Bindings.bind(box, new ValueHolder());
        assertButtonEnablementInSynchWithModel(box);
    }
    

    /**
     * Checks that the enablement of a JCheckBoxMenuItem is in synch 
     * with the enablement of its model after Binding#bind.
     */
    public void testCheckBoxItemEnablementInSynchWithModel() {
        JCheckBoxMenuItem item = new JCheckBoxMenuItem();
        item.setEnabled(false);
        Bindings.bind(item, new ValueHolder());
        assertButtonEnablementInSynchWithModel(item);
    }
    

    /**
     * Checks that the enablement of a JRadioButton is in synch 
     * with the enablement of its model after Binding#bind.
     */
    public void testRadioButtonEnablementInSynchWithModel() {
        JRadioButton radio = new JRadioButton();
        radio.setEnabled(false);
        Bindings.bind(radio, new ValueHolder(), null);
        assertButtonEnablementInSynchWithModel(radio);
    }
    

    /**
     * Checks that the enablement of a JRadioButtonMenuItem is in synch 
     * with the enablement of its model after Binding#bind.
     */
    public void testRadioButtonMenuItemEnablementInSynchWithModel() {
        JRadioButtonMenuItem item = new JRadioButtonMenuItem();
        item.setEnabled(false);
        Bindings.bind(item, new ValueHolder(), null);
        assertButtonEnablementInSynchWithModel(item);
    }
    
    
    public void testBoundTextAreaRetainsNewlines() {
        ValueModel subject = new ValueHolder(TEXT_WITH_NEWLINE);
        JTextArea textArea = new JTextArea();
        Bindings.bind(textArea, subject);
        assertEquals("The text area's text contains newlines.",
                TEXT_WITH_NEWLINE, textArea.getText());
    }
    
    
    public void testBoundTextFieldFiltersNewlines() {
        ValueModel subject = new ValueHolder(TEXT_WITH_NEWLINE);
        JTextField textField = new JTextField();
        Bindings.bind(textField, subject);
        assertEquals("The text field's text contains no newlines.",
                TEXT_WITHOUT_NEWLINE, textField.getText());
    }
    
    
    // Helper Code ************************************************************
    
    /**
     * Checks that the enablement of the given button is in synch
     * with the enablement of its model, an instance of ToggleButtonModel.
     * 
     * @param button  the button to check
     */
    private void assertButtonEnablementInSynchWithModel(AbstractButton button) {
        assertEquals("Enabled state of component and model must be in synch.", 
                button.isEnabled(), 
                button.getModel().isEnabled());
    }
    

}

