88 lines
1.8 KiB
PHP
88 lines
1.8 KiB
PHP
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<?php
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/**
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* @package Joomla.Platform
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* @subpackage Form
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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JFormHelper::loadFieldClass('list');
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/**
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* Form Field class for the Joomla Platform.
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* Provides a select list of integers with specified first, last and step values.
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*
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* @package Joomla.Platform
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* @subpackage Form
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* @since 11.1
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*/
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class JFormFieldInteger extends JFormFieldList
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{
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/**
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* The form field type.
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*
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* @var string
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* @since 11.1
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*/
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protected $type = 'Integer';
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/**
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* Method to get the field options.
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*
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* @return array The field option objects.
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*
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* @since 11.1
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*/
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protected function getOptions()
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{
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$options = array();
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// Initialize some field attributes.
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$first = (int) $this->element['first'];
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$last = (int) $this->element['last'];
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$step = (int) $this->element['step'];
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// Sanity checks.
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if ($step == 0)
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{
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// Step of 0 will create an endless loop.
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return $options;
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}
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elseif ($first < $last && $step < 0)
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{
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// A negative step will never reach the last number.
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return $options;
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}
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elseif ($first > $last && $step > 0)
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{
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// A position step will never reach the last number.
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return $options;
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}
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elseif ($step < 0)
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{
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// Build the options array backwards.
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for ($i = $first; $i >= $last; $i += $step)
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{
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$options[] = JHtml::_('select.option', $i);
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}
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}
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else
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{
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// Build the options array.
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for ($i = $first; $i <= $last; $i += $step)
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{
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$options[] = JHtml::_('select.option', $i);
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}
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}
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// Merge any additional options in the XML definition.
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$options = array_merge(parent::getOptions(), $options);
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return $options;
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}
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}
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