107 lines
4.2 KiB
PHP
107 lines
4.2 KiB
PHP
<?php
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/**
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* A hidden button used to submit the form when the user presses Enter
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*
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* PHP version 5
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*
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* LICENSE:
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*
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* Copyright (c) 2006-2010, Alexey Borzov <avb@php.net>,
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* Bertrand Mansion <golgote@mamasam.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * The names of the authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @category HTML
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* @package HTML_QuickForm2
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* @author Alexey Borzov <avb@php.net>
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* @author Bertrand Mansion <golgote@mamasam.com>
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* @license http://opensource.org/licenses/bsd-license.php New BSD License
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* @version SVN: $Id: DefaultAction.php 293465 2010-01-12 18:24:37Z avb $
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* @link http://pear.php.net/package/HTML_QuickForm2
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*/
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/** Class for <input type="image" /> elements */
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// require_once 'HTML/QuickForm2/Element/InputImage.php';
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/**
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* A hidden button used to submit the form when the user presses Enter
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*
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* This element is used by {@link HTML_QuickForm2_Controller_Page::setDefaultAction()}
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* to define the action that will take place if the user presses Enter on one
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* of the form elements instead of explicitly clicking one of the submit
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* buttons. Injecting a hidden <input type="image" /> element is about the
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* only cross-browser way to achieve this.
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*
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* @category HTML
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* @package HTML_QuickForm2
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* @author Alexey Borzov <avb@php.net>
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* @author Bertrand Mansion <golgote@mamasam.com>
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* @version Release: @package_version@
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* @link http://www.alanflavell.org.uk/www/formquestion.html
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* @link http://muffinresearch.co.uk/archives/2005/12/08/fun-with-multiple-submit-buttons/
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*/
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class HTML_QuickForm2_Controller_DefaultAction
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extends HTML_QuickForm2_Element_InputImage
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{
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protected $attributes = array('type' => 'image', 'id' => '_qf_default',
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'width' => '1', 'height' => '1');
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/**
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* Disallow changing the 'id' attribute
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*
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* @param string Attribute name
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* @param string Attribute value, null if attribute is being removed
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*/
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protected function onAttributeChange($name, $value = null)
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{
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if ('id' == $name) {
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throw new HTML_QuickForm2_InvalidArgumentException(
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"Attribute 'id' is read-only"
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);
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}
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parent::onAttributeChange($name, $value);
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}
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/**
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* This element is rendered using renderHidden() method
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*
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* renderHidden() is used to
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* - prevent using the standard element template as this button is
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* expected to be hidden
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* - render it above all other submit buttons since hidden elements
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* are usually at the top of the form
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*
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* @param HTML_QuickForm2_Renderer Renderer instance
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* @return HTML_QuickForm2_Renderer
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*/
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public function render(HTML_QuickForm2_Renderer $renderer)
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{
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$renderer->renderHidden($this);
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return $renderer;
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}
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}
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?>
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