<?php
/**
 * @package    Joomla.Members.Manager
 *
 * @created    6th July, 2018
 * @author     Llewellyn van der Merwe <https://www.joomlacomponentbuilder.com/>
 * @github     Joomla Members Manager <https://github.com/vdm-io/Joomla-Members-Manager>
 * @copyright  Copyright (C) 2015. All Rights Reserved
 * @license    GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html
 */

// No direct access to this file
defined('_JEXEC') or die('Restricted access');

/**
 * Membersmanager View class for the Members
 */
class MembersmanagerViewMembers extends JViewLegacy
{
	// Overwriting JView display method
	function display($tpl = null)
	{		
		// get combined params of both component and menu
		$this->app = JFactory::getApplication();
		$this->params = $this->app->getParams();
		$this->menu = $this->app->getMenu()->getActive();
		// get the user object
		$this->user = JFactory::getUser();
		// Initialise variables.
		$this->items = $this->get('Items');
		$this->pagination = $this->get('Pagination');
		// load the google lib
		$this->document->addScript('https://www.gstatic.com/charts/loader.js', (MembersmanagerHelper::jVersion()->isCompatible('3.8.0')) ? array('version' => 'auto') : 'text/javascript');
		// load the chart current
		$this->document->addScriptDeclaration("google.charts.load('current');");

		// Set the toolbar
		$this->addToolBar();

		// set the document
		$this->_prepareDocument();

		// Check for errors.
		if (count($errors = $this->get('Errors')))
		{
			throw new Exception(implode("\n", $errors), 500);
		}

		parent::display($tpl);
	}

	/**
	 * Prepares the document
	 */
	protected function _prepareDocument()
	{

		// always make sure jquery is loaded.
		JHtml::_('jquery.framework');
		// Load the header checker class.
		require_once( JPATH_COMPONENT_SITE.'/helpers/headercheck.php' );
		// Initialize the header checker.
		$HeaderCheck = new membersmanagerHeaderCheck;

		// Load uikit options.
		$uikit = $this->params->get('uikit_load');
		// Set script size.
		$size = $this->params->get('uikit_min');

		// Load uikit version.
		$this->uikitVersion = $this->params->get('uikit_version', 2);

		// Use Uikit Version 2
		if (2 == $this->uikitVersion)
		{
			// Set css style.
			$style = $this->params->get('uikit_style');

			// The uikit css.
			if ((!$HeaderCheck->css_loaded('uikit.min') || $uikit == 1) && $uikit != 2 && $uikit != 3)
			{
				$this->document->addStyleSheet(JURI::root(true) .'/media/com_membersmanager/uikit-v2/css/uikit'.$style.$size.'.css', (MembersmanagerHelper::jVersion()->isCompatible('3.8.0')) ? array('version' => 'auto') : 'text/css');
			}
			// The uikit js.
			if ((!$HeaderCheck->js_loaded('uikit.min') || $uikit == 1) && $uikit != 2 && $uikit != 3)
			{
				$this->document->addScript(JURI::root(true) .'/media/com_membersmanager/uikit-v2/js/uikit'.$size.'.js', (MembersmanagerHelper::jVersion()->isCompatible('3.8.0')) ? array('version' => 'auto') : 'text/javascript');
			}
		}
		// Use Uikit Version 3
		elseif (3 == $this->uikitVersion)
		{
			// The uikit css.
			if ((!$HeaderCheck->css_loaded('uikit.min') || $uikit == 1) && $uikit != 2 && $uikit != 3)
			{
				$this->document->addStyleSheet(JURI::root(true) .'/media/com_membersmanager/uikit-v3/css/uikit'.$size.'.css', (MembersmanagerHelper::jVersion()->isCompatible('3.8.0')) ? array('version' => 'auto') : 'text/css');
			}
			// The uikit js.
			if ((!$HeaderCheck->js_loaded('uikit.min') || $uikit == 1) && $uikit != 2 && $uikit != 3)
			{
				$this->document->addScript(JURI::root(true) .'/media/com_membersmanager/uikit-v3/js/uikit'.$size.'.js', (MembersmanagerHelper::jVersion()->isCompatible('3.8.0')) ? array('version' => 'auto') : 'text/javascript');
			}
		}
		// load the meta description
		if ($this->params->get('menu-meta_description'))
		{
			$this->document->setDescription($this->params->get('menu-meta_description'));
		}
		// load the key words if set
		if ($this->params->get('menu-meta_keywords'))
		{
			$this->document->setMetadata('keywords', $this->params->get('menu-meta_keywords'));
		}
		// check the robot params
		if ($this->params->get('robots'))
		{
			$this->document->setMetadata('robots', $this->params->get('robots'));
		}
		// add the document default css file
		$this->document->addStyleSheet(JURI::root(true) .'/components/com_membersmanager/assets/css/members.css', (MembersmanagerHelper::jVersion()->isCompatible('3.8.0')) ? array('version' => 'auto') : 'text/css');
	}

	/**
	 * Setting the toolbar
	 */
	protected function addToolBar()
	{
		// adding the joomla toolbar to the front
		JLoader::register('JToolbarHelper', JPATH_ADMINISTRATOR.'/includes/toolbar.php');
		
		// set help url for this view if found
		$help_url = MembersmanagerHelper::getHelpUrl('members');
		if (MembersmanagerHelper::checkString($help_url))
		{
			JToolbarHelper::help('COM_MEMBERSMANAGER_HELP_MANAGER', false, $help_url);
		}
		// now initiate the toolbar
		$this->toolbar = JToolbar::getInstance();
	}

	/**
	 * Escapes a value for output in a view script.
	 *
	 * @param   mixed  $var  The output to escape.
	 *
	 * @return  mixed  The escaped value.
	 */
	public function escape($var, $sorten = false, $length = 40)
	{
		// use the helper htmlEscape method instead.
		return MembersmanagerHelper::htmlEscape($var, $this->_charset, $sorten, $length);
	}
}
