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<?php
/**
* Element: Categories
* Displays a selectbox of available categories (needs sections element)
*
* @package NoNumber Framework
* @version 12.11.6
*
* @author Peter van Westen <peter@nonumber.nl>
* @link http://www.nonumber.nl
* @copyright Copyright © 2012 NoNumber All Rights Reserved
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
*/
defined('_JEXEC') or die;
class nnFieldCategories
{
function getInput($name, $id, $value, $params)
{
$this->params = $params;
global $CT_filter_sectionid;
$db = JFactory::getDBO();
$count = 0;
$script = '<script language="javascript" type="text/javascript">' . "\n";
$script .= 'var sectioncategories = [];' . "\n";
$script .= 'sectioncategories[' . $count++ . '] = ["-1","-1","- ' . JText::_('Select section') . ' -"];' . "\n";
$script .= 'sectioncategories[' . $count++ . '] = ["0","0","' . JText::_('Uncategorized') . '"];' . "\n";
$query = 'SELECT id, title FROM #__sections WHERE published = 1 AND scope = "content" ORDER BY ordering';
$db->setQuery($query);
$sections = $db->loadObjectList();
$sec_count = count($sections);
for ($i = 0; $i < $sec_count; $i++) {
$query = 'SELECT c.id, c.title'
. ' FROM #__categories AS c'
. ' LEFT JOIN #__sections AS s'
. ' ON s.id = c.section'
. ' WHERE c.published = 1'
. ' AND s.id = ' . $sections[$i]->id
. ' ORDER BY c.ordering';
$db->setQuery($query);
$categories = $db->loadObjectList();
$cat_count = count($categories);
if ($cat_count > 1) {
$script .= 'sectioncategories[' . $count++ . '] = ["' . $sections[$i]->id . '","-1","- ' . JText::_('Select category') . ' -"];' . "\n";
}
for ($j = 0; $j < $cat_count; $j++) {
$title = explode("\n", wordwrap($categories[$j]->title, 86, "\n"));
$title = $title['0'];
$title = ($title != $categories[$j]->title) ? $title . '...' : $title;
$script .= 'sectioncategories[' . $count++ . '] = ["' . $sections[$i]->id . '","' . $categories[$j]->id . '","' . $title . '"];' . "\n";
}
}
$script .= '</script>';
$categories = array();
if ($CT_filter_sectionid >= 0) {
$query = 'SELECT cc.id AS value, cc.title AS text, section'
. ' FROM #__categories AS cc'
. ' INNER JOIN #__sections AS s ON s.id = cc.section'
. ' WHERE cc.section = ' . $db->quote($CT_filter_sectionid)
. ' ORDER BY s.ordering, cc.ordering';
$db->setQuery($query);
$cats = $db->loadObjectList();
if (count($cats) > 1) {
$categories[] = JHtml::_('select.option', '-1', '- ' . JText::_('Select category') . ' -');
}
$categories = array_merge($categories, $cats);
} else {
$categories[] = JHtml::_('select.option', '-1', '- ' . JText::_('Select section') . ' -');
}
return $script . JHtml::_('select.genericlist', $categories, $name . '[]', 'class="inputbox" size="1"', 'value', 'text', $value, $id);
}
private function def($val, $default = '')
{
return (isset($this->params[$val]) && (string) $this->params[$val] != '') ? (string) $this->params[$val] : $default;
}
}
class JElementNN_Categories extends JElement
{
var $_name = 'Categories';
function fetchElement($name, $value, &$node, $control_name)
{
$this->_nnfield = new nnFieldCategories;
return $this->_nnfield->getInput($control_name . '[' . $name . ']', $control_name . $name, $value, $node->attributes());
}
}