<?php

/**
 * @package		Joomla.Administrator
 * @subpackage	com_coalawebtraffic
 * @copyright	Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
 * @license		GNU General Public License version 2 or later; see LICENSE.txt
 */
defined('JPATH_BASE') or die;

/**
 * Supports an HTML select list of categories
 *
 * @package		Joomla.Administrator
 * @subpackage	com_coalawebtraffic
 * @since		1.6
 */
class JFormFieldOrdering extends JFormField {

    /**
     * The form field type.
     *
     * @var		string
     * @since	1.6
     */
    protected $type = 'Ordering';

    /**
     * Method to get the field input markup.
     *
     * @return	string	The field input markup.
     * @since	1.6
     */
    protected function getInput() {
        // Initialize variables.
        $html = array();
        $attr = '';

        // Initialize some field attributes.
        $attr .= $this->element['class'] ? ' class="' . (string) $this->element['class'] . '"' : '';
        $attr .= ((string) $this->element['disabled'] == 'true') ? ' disabled="disabled"' : '';
        $attr .= $this->element['size'] ? ' size="' . (int) $this->element['size'] . '"' : '';

        // Initialize JavaScript field attributes.
        $attr .= $this->element['onchange'] ? ' onchange="' . (string) $this->element['onchange'] . '"' : '';

        // Get some field values from the form.
        $weblinkId = (int) $this->form->getValue('id');
        $categoryId = (int) $this->form->getValue('catid');

        // Build the query for the ordering list.
        $query = 'SELECT ordering AS value, title AS text' .
                ' FROM #__cwtraffic_knownips' .
                ' WHERE catid = ' . (int) $categoryId .
                ' ORDER BY ordering';

        // Create a read-only list (no name) with a hidden input to store the value.
        if ((string) $this->element['readonly'] == 'true') {
            $html[] = JHtml::_('list.ordering', '', $query, trim($attr), $this->value, $weblinkId ? 0 : 1);
            $html[] = '<input type="hidden" name="' . $this->name . '" value="' . $this->value . '"/>';
        }
        // Create a regular list.
        else {
            $html[] = JHtml::_('list.ordering', $this->name, $query, trim($attr), $this->value, $weblinkId ? 0 : 1);
        }

        return implode($html);
    }

}