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<?php
/**
* Class for <input type="image" /> elements
*
* 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: InputImage.php 300722 2010-06-24 10:15:52Z mansion $
* @link http://pear.php.net/package/HTML_QuickForm2
*/
/**
* Base class for <input> elements
*/
// require_once 'HTML/QuickForm2/Element/Input.php';
/**
* Class for <input type="image" /> elements
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @version Release: @package_version@
*/
class HTML_QuickForm2_Element_InputImage extends HTML_QuickForm2_Element_Input
{
protected $attributes = array('type' => 'image');
/**
* Coordinates of user click within the image, array contains keys 'x' and 'y'
* @var array
*/
protected $coordinates = null;
/**
* Image buttons can not be frozen
*
* @param bool Whether element should be frozen or editable. This
* parameter is ignored in case of image elements
* @return bool Always returns false
*/
public function toggleFrozen($freeze = null)
{
return false;
}
/**
* Image button's value cannot be set via this method
*
* @param mixed Element's value, this parameter is ignored
* @return HTML_QuickForm2_Element_InputImage
*/
public function setValue($value)
{
return $this;
}
/**
* Returns the element's value
*
* The value is only returned if the form was actually submitted and this
* image button was clicked. Returns null in all other cases.
*
* @return array|null An array with keys 'x' and 'y' containing the
* coordinates of user click if the image was clicked,
* null otherwise
*/
public function getValue()
{
return $this->getAttribute('disabled')? null: $this->applyFilters($this->coordinates);
}
/**
* Returns the HTML representation of the element
*
* The method changes the element's name to foo[bar][] if it was foo[bar]
* originally. If it is not done, then one of the click coordinates will be
* lost, see {@link http://bugs.php.net/bug.php?id=745}
*
* @return string
*/
public function __toString()
{
if (false === strpos($this->attributes['name'], '[') ||
'[]' == substr($this->attributes['name'], -2))
{
return parent::__toString();
} else {
$this->attributes['name'] .= '[]';
$html = parent::__toString();
$this->attributes['name'] = substr($this->attributes['name'], 0, -2);
return $html;
}
}
public function updateValue()
{
foreach ($this->getDataSources() as $ds) {
if ($ds instanceof HTML_QuickForm2_DataSource_Submit) {
$name = $this->getName();
if (false === strpos($name, '[') &&
null !== ($value = $ds->getValue($name . '_x')))
{
$this->coordinates = array(
'x' => $value,
'y' => $ds->getValue($name . '_y')
);
return;
} elseif (false !== strpos($name, '[')) {
if ('[]' == substr($name, -2)) {
$name = substr($name, 0, -2);
}
if (null !== ($value = $ds->getValue($name))) {
$this->coordinates = array(
'x' => $value[0],
'y' => $value[1]
);
return;
}
}
}
}
$this->coordinates = null;
}
}
?>
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