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<?php
/**
* Base class for simple HTML_QuickForm2 elements (not Containers)
*
* PHP version 5
*
* LICENSE:
*
* Copyright (c) 2006-2010, Alexey Borzov <avb@php.net>,
* Bertrand Mansion <golgote@mamasam.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * The names of the authors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* 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.
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version SVN: $Id: Element.php 299706 2010-05-24 18:32:37Z avb $
* @link http://pear.php.net/package/HTML_QuickForm2
*/
/**
* Base class for all HTML_QuickForm2 elements
*/
// require_once 'HTML/QuickForm2/Node.php';
/**
* Abstract base class for simple QuickForm2 elements (not Containers)
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @version Release: @package_version@
*/
abstract class HTML_QuickForm2_Element extends HTML_QuickForm2_Node
{
public function setName($name)
{
$this->attributes['name'] = (string)$name;
$this->updateValue();
return $this;
}
/**
* Generates hidden form field containing the element's value
*
* This is used to pass the frozen element's value if 'persistent freeze'
* feature is on
*
* @return string
*/
protected function getPersistentContent()
{
if (!$this->persistent || null === ($value = $this->getValue())) {
return '';
}
return '<input type="hidden"' . self::getAttributesString(array(
'name' => $this->getName(),
'value' => $value,
'id' => $this->getId()
)) . ' />';
}
/**
* Called when the element needs to update its value from form's data sources
*
* The default behaviour is to go through the complete list of the data
* sources until the non-null value is found.
*/
public function updateValue()
{
$name = $this->getName();
foreach ($this->getDataSources() as $ds) {
if (null !== ($value = $ds->getValue($name))) {
$this->setValue($value);
return;
}
}
}
/**
* Renders the element using the given renderer
*
* @param HTML_QuickForm2_Renderer Renderer instance
* @return HTML_QuickForm2_Renderer
*/
public function render(HTML_QuickForm2_Renderer $renderer)
{
foreach ($this->rules as $rule) {
if ($rule[1] & HTML_QuickForm2_Rule::RUNAT_CLIENT) {
$renderer->getJavascriptBuilder()->addRule($rule[0]);
}
}
$renderer->renderElement($this);
return $renderer;
}
/**
* Returns Javascript code for getting the element's value
*
* @return string
*/
public function getJavascriptValue()
{
return "qf.form.getValue(document.getElementById('" . $this->getId() . "'))";
}
}
?>
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