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<?php
/**
 * @package    Joomla.Component.Builder
 *
 * @created    30th April, 2015
 * @author     Llewellyn van der Merwe
<http://www.joomlacomponentbuilder.com>
 * @github     Joomla Component Builder
<https://github.com/vdm-io/Joomla-Component-Builder>
 * @copyright  Copyright (C) 2015 Vast Development Method. All rights
reserved.
 * @license    GNU General Public License version 2 or later; see
LICENSE.txt
 */

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

// import the list field type
jimport('joomla.form.helper');
JFormHelper::loadFieldClass('list');

/**
 * Servers Form Field class for the Componentbuilder component
 */
class JFormFieldServers extends JFormFieldList
{
	/**
	 * The servers field type.
	 *
	 * @var		string
	 */
	public $type = 'servers';

	/**
	 * Override to add new button
	 *
	 * @return  string  The field input markup.
	 *
	 * @since   3.2
	 */
	protected function getInput()
	{
		// see if we should add buttons
		$set_button = $this->getAttribute('button');
		// get html
		$html = parent::getInput();
		// if true set button
		if ($set_button === 'true')
		{
			$button = array();
			$script = array();
			$button_code_name = $this->getAttribute('name');
			// get the input from url
			$app = JFactory::getApplication();
			$jinput = $app->input;
			// get the view name & id
			$values = $jinput->getArray(array(
				'id' => 'int',
				'view' => 'word'
			));
			// check if new item
			$ref = '';
			$refJ = '';
			if (!is_null($values['id']) &&
strlen($values['view']))
			{
				// only load referral if not new item.
				$ref = '&amp;ref=' . $values['view'] .
'&amp;refid=' . $values['id'];
				$refJ = '&ref=' . $values['view'] .
'&refid=' . $values['id'];
				// get the return value.
				$_uri = (string) JUri::getInstance();
				$_return = urlencode(base64_encode($_uri));
				// load return value.
				$ref .= '&amp;return=' . $_return;
				$refJ .= '&return=' . $_return;
			}
			// get button label
			$button_label = trim($button_code_name);
			$button_label = preg_replace('/_+/', ' ',
$button_label);
			$button_label = preg_replace('/\s+/', ' ',
$button_label);
			$button_label = preg_replace("/[^A-Za-z ]/", '',
$button_label);
			$button_label = ucfirst(strtolower($button_label));
			// get user object
			$user = JFactory::getUser();
			// only add if user allowed to create server
			if ($user->authorise('server.create',
'com_componentbuilder') && $app->isAdmin()) // TODO
for now only in admin area.
			{
				// build Create button
				$button[] = '<a
id="'.$button_code_name.'Create" class="btn
btn-small btn-success hasTooltip"
title="'.JText::sprintf('COM_COMPONENTBUILDER_CREATE_NEW_S',
$button_label).'" style="border-radius: 0px 4px 4px 0px;
padding: 4px 4px 4px 7px;"
					href="index.php?option=com_componentbuilder&amp;view=server&amp;layout=edit'.$ref.'"
>
					<span class="icon-new
icon-white"></span></a>';
			}
			// only add if user allowed to edit server
			if ($user->authorise('server.edit',
'com_componentbuilder') && $app->isAdmin()) // TODO
for now only in admin area.
			{
				// build edit button
				$button[] = '<a
id="'.$button_code_name.'Edit" class="btn
btn-small hasTooltip"
title="'.JText::sprintf('COM_COMPONENTBUILDER_EDIT_S',
$button_label).'" style="display: none; padding: 4px 4px 4px
7px;" href="#" >
					<span class="icon-edit"></span></a>';
				// build script
				$script[] = "
					jQuery(document).ready(function() {
						jQuery('#adminForm').on('change',
'#jform_".$button_code_name."',function (e) {
							e.preventDefault();
							var ".$button_code_name."Value =
jQuery('#jform_".$button_code_name."').val();
							".$button_code_name."Button(".$button_code_name."Value);
						});
						var ".$button_code_name."Value =
jQuery('#jform_".$button_code_name."').val();
						".$button_code_name."Button(".$button_code_name."Value);
					});
					function ".$button_code_name."Button(value) {
						if (value > 0) {
							// hide the create button
							jQuery('#".$button_code_name."Create').hide();
							// show edit button
							jQuery('#".$button_code_name."Edit').show();
							var url =
'index.php?option=com_componentbuilder&view=servers&task=server.edit&id='+value+'".$refJ."';
							jQuery('#".$button_code_name."Edit').attr('href',
url);
						} else {
							// show the create button
							jQuery('#".$button_code_name."Create').show();
							// hide edit button
							jQuery('#".$button_code_name."Edit').hide();
						}
					}";
			}
			// check if button was created for server field.
			if (is_array($button) && count($button) > 0)
			{
				// Load the needed script.
				$document = JFactory::getDocument();
				$document->addScriptDeclaration(implode(' ',$script));
				// return the button attached to input field.
				return '<div class="input-append">' .$html .
implode('',$button).'</div>';
			}
		}
		return $html;
	}

	/**
	 * Method to get a list of options for a list input.
	 *
	 * @return	array    An array of JHtml options.
	 */
	protected function getOptions()
	{
		$db = JFactory::getDBO();
		$query = $db->getQuery(true);
		$query->select($db->quoteName(array('a.id','a.name','a.protocol'),array('id','name',
'protocol')));
		$query->from($db->quoteName('#__componentbuilder_server',
'a'));
		$query->where($db->quoteName('a.published') . '
>= 1');
		$query->order('a.name ASC');
		$db->setQuery((string)$query);
		$items = $db->loadObjectList();
		$options = array();
		if ($items)
		{
			$options[] = JHtml::_('select.option', '',
'Select an option');
			foreach($items as $item)
			{
			$item->protocol = ($item->protocol == 2) ?
JText::_('SFTP') : JText::_('FTP');
				$options[] = JHtml::_('select.option', $item->id,
$item->name.' ['.$item->protocol.']');
			}
		}
		return $options;
	}
}