//  Copyright 2004 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.apache.tapestry.contrib.form;

import org.apache.tapestry.BaseComponent;
import org.apache.tapestry.IBinding;

/**
 * Provides a mask edit HTML &lt;input type="text"&gt; form element.
 * <p>
 * Mask edit field validates the text the user enters against a 
 * mask that encodes the valid forms the text can take. The mask can 
 * also format text that is displayed to the user.
 * <p>
 * <table border="1" cellpadding="2">
 *  <tr>
 *   <th>Mask character</th><th>Meaning in mask</th>
 *  </tr>
 *  <tr>
 *   <td>&nbsp;l</td><td>&nbsp;Mixed case letter character [a..z, A..Z]</td>
 *  </tr>
 *  <tr>
 *   <td>&nbsp;L</td><td>&nbsp;Upper case letter character [A..Z]</td>
 *  </tr>
 *  <tr>
 *   <td>&nbsp;a</td><td>&nbsp;Mixed case alpha numeric character [a..z, A..Z, 0..1]</td>
 *  </tr>
 *  <tr>
 *   <td>&nbsp;A</td><td>&nbsp;Upper case alpha numeric character [A..Z, 0..9]</td>
 *  </tr>
 *  <tr>
 *   <td>&nbsp;#</td><td>&nbsp;Numeric character [0..9]</td>
 *  </tr>
 *  <tr>
 *   <td>&nbsp;_</td><td>&nbsp;Reserved character for display, do not use.</td>
 *  </tr>
 *  <tr>
 *   <td>&nbsp;others</td><td>&nbsp;Non editable character for display.</td>
 *  </tr>
 * </table> 
 * <p>
 * This component requires JavaScript to be enabled in the client browser.
 * <p>
 * [<a href="../../../../../ComponentReference/MaskEdit.html">Component Reference</a>]
 *
 * @author Malcolm Edgar
 * @version $Id$
 * @since 2.3
 *
 **/

public class MaskEdit extends BaseComponent
{
    private String _mask;
    private IBinding _valueBinding;
    private boolean _disabled;

    public String getMask()
    {
        return _mask;
    }

    public void setMask(String mask)
    {
        _mask = mask;
    }
    
    public String getValue()
    {
        if (_valueBinding != null) {
            return _valueBinding.getString();
        } else {
            return null;
        }
    }

    public void setValue(String value)
    {
        _valueBinding.setString(value);
    }

    public IBinding getValueBinding()
    {
        return _valueBinding;
    }

    public void setValueBinding(IBinding valueBinding)
    {
        _valueBinding = valueBinding;
    }

    public boolean isDisabled()
    {
        return _disabled;
    }

    public void setDisabled(boolean disabled)
    {
        _disabled = disabled;
    }        
}