/*
  Copyright (C) 2006-2007 Helge Hess

  This file is part of JOPE.

  JOPE 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, or (at your option) any
  later version.

  JOPE 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 JOPE; see the file COPYING.  If not, write to the
  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

package org.opengroupware.jope.appserver.elements;

import java.util.Map;

import org.opengroupware.jope.appserver.core.WOAssociation;
import org.opengroupware.jope.appserver.core.WOContext;
import org.opengroupware.jope.appserver.core.WOElement;
import org.opengroupware.jope.appserver.core.WOResponse;

/**
 * WOHiddenField
 * <p>
 * Create HTML form hidden field.
 * <p>
 * Sample:<pre>
 *   Firstname: WOHiddenField {
 *     name  = "hideme";
 *     value = notAPassword;
 *   }</pre>
 * 
 * Renders:<pre>
 *   &lt;input type="hidden" name="hideme" value="abc123" /&gt;</pre>
 * <p>
 * Bindings (WOInput):<pre>
 *   id       [in] - string
 *   name     [in] - string
 *   value    [io] - object
 *   disabled [in] - boolean</pre>
 */
public class WOHiddenField extends WOInput {

  public WOHiddenField
    (String _name, Map<String, WOAssociation> _assocs, WOElement _template)
  {
    super(_name, _assocs, _template);
  }

  /* responder */

  @Override
  public void appendToResponse(WOResponse _r, WOContext _ctx) {
    if (_ctx.isRenderingDisabled())
      return;

    Object cursor = _ctx.cursor(); 
    if (this.disabled != null) {
      if (this.disabled.booleanValueInComponent(cursor))
        return;
    }
    
    _r.appendBeginTag("input",
        "type", "hidden",
        "name", this.elementNameInContext(_ctx));

    String lid = this.eid!=null ? this.eid.stringValueInComponent(cursor):null;
    if (lid != null) _r.appendAttribute("id", lid);
    
    if (this.value != null) {
      String s = this.value.stringValueInComponent(cursor);
      if (s != null)
        _r.appendAttribute("value", s);
    }
    
    if (this.coreAttributes != null)
      this.coreAttributes.appendToResponse(_r, _ctx);
    this.appendExtraAttributesToResponse(_r, _ctx);
    // TODO: otherTagString
    
    _r.appendBeginTagClose(_ctx.closeAllElements());
  }
}