HiddenViewHelper.php

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<?php

/*                                                                        *
 * This script belongs to the FLOW3 package "Fluid".                      *
 *                                                                        *
 * It 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 3 of the License, or (at your *
 * option) any later version.                                             *
 *                                                                        *
 * This script is distributed in the hope that it will be useful, but     *
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN-    *
 * TABILITY 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 the script.                                         *
 * If not, see http://www.gnu.org/licenses/lgpl.html                      *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

/**
 * Renders an <input type="hidden" ...> tag.
 *
 * = Examples =
 *
 * <code title="Example">
 * <f:form.hidden name="myHiddenValue" value="42" />
 * </code>
 * <output>
 * <input type="hidden" name="myHiddenValue" value="42" />
 * </output>
 *
 * You can also use the "property" attribute if you have bound an object to the form.
 * See <f:form> for more documentation.
 *
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3 or later
 * @api
 */
class Tx_Fluid_ViewHelpers_Form_HiddenViewHelper extends Tx_Fluid_ViewHelpers_Form_AbstractFormFieldViewHelper {

    /**
     * @var string
     */
    protected $tagName = 'input';

    /**
     * Initialize the arguments.
     *
     * @return void
     * @author Sebastian Kurfürst <sebastian@typo3.org>
     * @api
     */
    public function initializeArguments() {
        parent::initializeArguments();
        $this->registerUniversalTagAttributes();
    }

    /**
     * Renders the hidden field.
     *
     * @return string
     * @author Sebastian Kurfürst <sebastian@typo3.org>
     * @api
     */
    public function render() {
        $name = $this->getName();
        $this->registerFieldNameForFormTokenGeneration($name);

        $this->tag->addAttribute('type', 'hidden');
        $this->tag->addAttribute('name', $name);
        $this->tag->addAttribute('value', $this->getValue());

        return $this->tag->render();
    }
}


?>