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Filename : k2parameter.php
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<?php
/**
 * @version     2.8.x
 * @package     K2
 * @author      JoomlaWorks http://www.joomlaworks.net
 * @copyright   Copyright (c) 2006 - 2017 JoomlaWorks Ltd. All rights reserved.
 * @license     GNU/GPL license: http://www.gnu.org/copyleft/gpl.html
 */

// no direct access
defined('_JEXEC') or die;

if (K2_JVERSION == '30')
{
    class K2Parameter
    {
        function __construct($data, $path = '', $namespace)
        {
            $this->namespace = $namespace;
            $this->values = new JRegistry($data);
        }

        function get($path, $default = null)
        {
            return $this->values->get($this->namespace.$path, $default);
        }

    }

}
else
{

    jimport('joomla.html.parameter');

    /**
     * Parameter handler
     *
     * @package     Joomla.Framework
     * @subpackage      Parameter
     * @since       1.5
     */
    class K2Parameter extends JParameter
    {

        /**
         * optional namespace
         *
         * @access  private
         * @var     array
         * @since   1.5
         */
        var $namespace = null;

        /**
         * Constructor
         *
         * @access  protected
         * @param   string The raw parms text
         * @param   string Path to the xml setup file
         * @param   string Namespace to the xml setup file
         * @since   1.5
         */
        function __construct($data, $path = '', $namespace)
        {
            parent::__construct('_default');

            // Set base path
            $this->_elementPath[] = JPATH_COMPONENT_ADMINISTRATOR.'/elements';

            if (trim($data))
            {
                $this->loadINI($data);
            }

            if ($path)
            {
                @$this->loadSetupFile($path);
            }

            if ($namespace)
            {
                $this->namespace = $namespace;
            }

            $this->_raw = $data;

            if (K2_JVERSION != '15')
            {
                $this->bind($data);
            }
        }

        /**
         * Get a value
         *
         * @access  public
         * @param   string The name of the param
         * @param   mixed The default value if not found
         * @return  string
         * @since   1.5
         */
        function get($key, $default = '', $group = '_default')
        {
            if (K2_JVERSION != '15')
            {
                return parent::get($this->namespace.$key, $default);
            }
            $value = $this->getValue($group.'.'.$this->namespace.$key);
            $result = (empty($value) && ($value !== 0) && ($value !== '0')) ? $default : $value;
            //if($group != '_default') { echo ($group); }
            return $result;
        }

        /**
         * Render a parameter type
         *
         * @param   object  A param tag node
         * @param   string  The control name
         * @return  array   Any array of the label, the form element and the tooltip
         * @since   1.5
         */
        function getParam(&$node, $control_name = 'params', $group = '_default')
        {
            //get the type of the parameter
            $type = $node->attributes('type');

            //remove any occurance of a mos_ prefix
            $type = str_replace('mos_', '', $type);

            $element = $this->loadElement($type);

            // error happened
            if ($element === false)
            {
                $result = array();
                $result[0] = $node->attributes('name');
                $result[1] = JText::_('K2_ELEMENT_NOT_DEFINED_FOR_TYPE').' = '.$type;
                $result[5] = $result[0];
                return $result;
            }

            //get value
            $value = $this->get($node->attributes('name'), $node->attributes('default'), $group);

            //set name
            $node->_attributes['name'] = $this->namespace.$node->_attributes['name'];

            return $element->render($node, $value, $control_name);
        }

        /**
         * Get a registry value
         *
         * @access  public
         * @param   string  $regpath    Registry path (e.g. joomla.content.showauthor)
         * @param   mixed   $default    Optional default value
         * @return  mixed   Value of entry or null
         * @since   1.5
         */
        function getValue($regpath, $default = null)
        {
            $result = $default;

            // Explode the registry path into an array
            if ($nodes = explode('.', $regpath))
            {
                // Get the namespace
                //$namespace = array_shift($nodes);
                $count = count($nodes);
                if ($count < 2)
                {
                    $namespace = $this->_defaultNameSpace;
                    $nodes[1] = $nodes[0];
                }
                else
                {
                    $namespace = $nodes[0];
                }

                if (isset($this->_registry[$namespace]))
                {
                    $ns = &$this->_registry[$namespace]['data'];
                    $pathNodes = $count - 1;

                    //for ($i = 0; $i < $pathNodes; $i ++) {
                    for ($i = 1; $i < $pathNodes; $i++)
                    {
                        if ((isset($ns->$nodes[$i])))
                            $ns = &$ns->$nodes[$i];
                    }

                    if (isset($ns->$nodes[$i]))
                    {
                        $result = $ns->$nodes[$i];
                    }
                }
            }
            return $result;
        }

        /**
         * Render
         *
         * @access  public
         * @param   string  The name of the control, or the default text area if a setup file is not found
         * @return  string  HTML
         * @since   1.5
         */
        function render($name = 'params', $group = '_default')
        {
            if (!isset($this->_xml[$group]))
            {
                return false;
            }

            $params = $this->getParams($name, $group);
            $html = array();
            $html[] = '<table class="paramlist admintable" cellspacing="1">';

            if ($description = $this->_xml[$group]->attributes('description'))
            {
                // add the params description to the display
                $desc = JText::_($description);
                $html[] = '<tr><td class="paramlist_description" colspan="2">'.$desc.'</td></tr>';
            }

            foreach ($params as $param)
            {
                $html[] = '<tr>';

                if ($param[0])
                {
                    $html[] = '<td class="paramlist_key"><span class="editlinktip">'.$param[0].'</span></td>';
                    $html[] = '<td class="paramlist_value">'.$param[1].'</td>';
                }
                else
                {
                    $html[] = '<td class="paramlist_value" colspan="2">'.$param[1].'</td>';
                }

                $html[] = '</tr>';
            }

            if (count($params) < 1)
            {
                $html[] = "<tr><td colspan=\"2\"><i>".(K2_JVERSION != '15') ? JText::_('JLIB_HTML_NO_PARAMETERS_FOR_THIS_ITEM') : JText::_('There are no Parameters for this item')."</i></td></tr>";
            }

            $html[] = '</table>';

            return implode("\n", $html);
        }

    }

}