/*
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999-2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. 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.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Struts", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * ITS 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package es.ejie.frmk.presentacion.iu.taglib.html;


import javax.servlet.jsp.JspException;

import org.apache.struts.util.RequestUtils;
import org.apache.struts.util.ResponseUtils;

import es.ejie.frmk.infraestructura.traza.Q70TraceLevel;
import es.ejie.frmk.infraestructura.traza.Q70Traza;
import es.ejie.frmk.presentacion.iu.taglib.base.Q70Constants;

/**
 * Convenience base class for the various input tags for text fields.
 *
 * @author Craig R. McClanahan
 */

public abstract class Q70BaseFieldTag extends Q70BaseInputTag 
{
	/**
	 * Instancia del log de trazas
	 */
	private static Q70Traza tr = Q70Traza.getSingleton();


    // ----------------------------------------------------- Instance Variables

    /**
     * Comma-delimited list of content types that a server processing this form
     * will handle correctly.  This property is defined only for the
     * <code>file</code> tag, but is implemented here because it affects the
     * rendered HTML of the corresponding &lt;input&gt; tag.
     */
    protected String accept = null;

    public String getAccept() {
        return (this.accept);
    }

    public void setAccept(String accept) {
        this.accept = accept;
    }

    /**
     * The name of the bean containing our underlying property.
     */
    protected String name = Q70Constants.BEAN_KEY;

    public String getName() {
        return (this.name);
    }

    public void setName(String name) {
        this.name = name;
    }

    /**
     * The "redisplay contents" flag (used only on <code>password</code>).
     */
    protected boolean redisplay = true;

    public boolean getRedisplay() {
        return (this.redisplay);
    }

    public void setRedisplay(boolean redisplay) {
        this.redisplay = redisplay;
    }

    /**
     * The type of input field represented by this tag (text, password, or
     * hidden).
     */
    protected String type = null;

    // --------------------------------------------------------- Public Methods

    /**
     * Generate the required input tag.
     * <p>
     * Support for indexed property since Struts 1.1
     *
     * @exception JspException if a JSP exception has occurred
     */
    public int doStartTag() throws JspException 
    {
		if (tr.isTraceActive())	tr.trace(COMPONENTE, Q70TraceLevel.DEBUG, "Generando tag de tipo " + this.getClass().toString());

		if (type!=null && !type.equals("hidden")) {
		
			int displayMode = getDisplayMode();
				
			if (displayMode == Q70Constants.MODE_NOTDISPLAYED ) {
				type = "hidden";
			} else if (displayMode == Q70Constants.MODE_READONLY ){
				setDisabled(true);
			}
		}
		

        // Print this field to our output writer
        ResponseUtils.write(pageContext, renderFieldElement() );

        // Continue processing this page       
		// Devuelve EVAL_BODY_TAG. Es un int para evitar errores de deprecacion 
		// en compilacion al usar j2ee 1.3
		return 2;

    }



    /**
     * Release any acquired resources.
     */
    public void release() {

        super.release();
        accept = null;
        name = Q70Constants.BEAN_KEY;
        redisplay = true;

    }

	
	protected String renderFieldElement() throws JspException {

		// Create an appropriate "input" element based on our parameters
		StringBuffer results = new StringBuffer("<input type=\"");
		results.append(type);
		results.append("\" name=\"");
		// * @since Struts 1.1
		if (indexed)
			prepareIndex(results, name);
		results.append(property);
		results.append("\"");
		if (accesskey != null) {
			results.append(" accesskey=\"");
			results.append(accesskey);
			results.append("\"");
		}
		if (accept != null) {
			results.append(" accept=\"");
			results.append(accept);
			results.append("\"");
		}
		if (maxlength != null) {
			results.append(" maxlength=\"");
			results.append(maxlength);
			results.append("\"");
		}
		if (cols != null) {
			results.append(" size=\"");
			results.append(cols);
			results.append("\"");
		}
		if (tabindex != null) {
			results.append(" tabindex=\"");
			results.append(tabindex);
			results.append("\"");
		}
		results.append(" value=\"");
		
		if (value != null) {
			results.append(ResponseUtils.filter(value));	
		} else if (redisplay || !"password".equals(type)) {
			Object value = RequestUtils.lookup(pageContext, name, property, null);
			if (value == null)
				value = "";
			results.append(ResponseUtils.filter(value.toString()));
			
		}
		results.append("\"");      
		
		results.append(prepareEventHandlers());	
		results.append(prepareStyles());
		results.append(getElementClose());

		return results.toString();

	}


}
