Joomla-Sermon-Distributor/admin/models/fields/localfiles.php

<?php
/*--------------------------------------------------------------------------------------------------------|  www.vdm.io  |------/
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    \ \    / /      | |   |  __ \               | |                                | |   |  \/  |    | | | |             | |
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/-------------------------------------------------------------------------------------------------------------------------------/

	@version		1.3.0
	@build			23rd December, 2015
	@created		22nd October, 2015
	@package		Sermon Distributor
	@subpackage		localfiles.php
	@author			Llewellyn van der Merwe <https://www.vdm.io/>	
	@copyright		Copyright (C) 2015. All Rights Reserved
	@license		GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html 
	
	A sermon distributor that links to Dropbox. 
                                                             
/-----------------------------------------------------------------------------------------------------------------------------*/

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

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

/**
 * Localfiles Form Field class for the Sermondistributor component
 */
class JFormFieldLocalfiles extends JFormFieldList
{
	/**
	 * The localfiles field type.
	 *
	 * @var		string
	 */
	public $type = 'localfiles'; 
	/**
	 * Override to add new button
	 *
	 * @return  string  The field input markup.
	 *
	 * @since   3.2
	 */
	protected function getInput()
	{
		// [7943] see if we should add buttons
		$setButton = $this->getAttribute('button');
		// [7945] get html
		$html = parent::getInput();
		// [7947] if true set button
		if ($setButton === 'true')
		{
			$user = JFactory::getUser();
			// [7951] only add if user allowed to create 
			if ($user->authorise('core.create', 'com_sermondistributor'))
			{
				// [7969] get the input from url
				$jinput = JFactory::getApplication()->input;
				// [7971] get the view name & id
				$values = $jinput->getArray(array(
					'id' => 'int',
					'view' => 'word'
				));
				// [7976] check if new item
				$ref = '';
				if (!is_null($values['id']) && strlen($values['view']))
				{
					// [7980] only load referal if not new item.
					$ref = '&amp;ref=' . $values['view'] . '&amp;refid=' . $values['id'];
				}
				// [7983] build the button
				$button = '<a class="btn btn-small btn-success"
					href="index.php?option=com_sermondistributor&amp;view=&amp;layout=edit'.$ref.'" >
					<span class="icon-new icon-white"></span>' . JText::_('COM_SERMONDISTRIBUTOR_NEW') . '</a>';
				// [7987] return the button attached to input field
				return $html . $button;
			}
		}
		return $html;
	}

	/**
	 * Method to get a list of options for a list input.
	 *
	 * @return	array		An array of JHtml options.
	 */
	public function getOptions()
	{
		// get local folder
		$localfolder = JComponentHelper::getParams('com_sermondistributor')->get('localfolder', JPATH_ROOT.'/images');
		// set the default
		$options[] = JHtml::_('select.option', '', JText::sprintf('Please add files to (%s)',$localfolder));
		// inport all needed classes
		jimport('joomla.filesystem.file');
		jimport('joomla.filesystem.folder');
		// setup the folder if it does not exist
		if (!JFolder::exists($localfolder))
		{
			JFolder::create($localfolder);
		}
		// now check if there are files in the folder
		if ($files = JFolder::files($localfolder))
		{
			$options = array();
			foreach ($files as $file)
			{
				$options[] = JHtml::_('select.option', $file, $file);
			}
		}
		return $options;
	}
}