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<?php
/**
* @package OSEmbed
* @contact www.joomlashack.com, help@joomlashack.com
* @copyright 2020-2022 Joomlashack.com. All rights reserved
* @license https://www.gnu.org/licenses/gpl.html GNU/GPL
*
* This file is part of OSEmbed.
*
* OSEmbed is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* OSEmbed is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OSEmbed. If not, see <https://www.gnu.org/licenses/>.
*/
use Alledia\OSEmbed\Free\Helper;
use Embera\Embera;
use Joomla\CMS\Factory;
use Joomla\CMS\Form\FormField;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\CMS\Plugin\PluginHelper;
defined('_JEXEC') or die();
class OsembedFormFieldProviders extends FormField
{
protected $layout = null;
protected $renderLabelLayout = null;
/**
* @inheritDoc
*/
public function setup(SimpleXMLElement $element, $value, $group = null)
{
if ($return = parent::setup($element, $value, $group)) {
if (defined('OSEMBED_LOADED') == false) {
$includePath = JPATH_PLUGINS . '/content/osembed/include.php';
$return = is_file($includePath) && include $includePath;
}
}
$this->hidden = true;
return $return;
}
/**
* @inheritDoc
*/
protected function getInput()
{
if (PluginHelper::isEnabled('content', 'osembed')) {
$providerLists = Factory::getApplication()->triggerEvent('onOsembedProviders');
$providerNames = [];
foreach ($providerLists as $providers) {
foreach ($providers as $host => $provider) {
$providerParts = explode('\\', $provider);
$providerName = array_pop($providerParts);
if (!isset($providerNames[$providerName])) {
$providerNames[$providerName] = [];
}
$providerNames[$providerName][] = $host;
}
}
if ($providerNames) {
$hostCount = Text::plural(
'PLG_CONTENT_OSEMBED_PROVIDER_HOST_COUNT',
count($providerNames, COUNT_RECURSIVE) - count($providerNames)
);
$header = sprintf(
'<div class="alert alert-info">%s<br>%s</div>',
Text::plural('PLG_CONTENT_OSEMBED_PROVIDER_COUNT', count($providerNames), $hostCount),
Text::sprintf('PLG_CONTENT_OSEMBED_EMBERA_VERSION', Embera::VERSION)
);
return $header . $this->displayProviders($providerNames);
}
Log::add(Text::_('PLG_CONTENT_OSEMBED_ERROR_NO_PROVIDERS_LOG'), Log::WARNING, Helper::LOG_SYSTEM);
return sprintf(
'<span class="alert alert-error">%s</span>',
Text::_('PLG_CONTENT_OSEMBED_ERROR_NO_PROVIDERS')
);
}
return sprintf(
'<span class="alert alert-warning">%s</span>',
Text::_('PLG_CONTENT_OSEMBED_WARNING_DISABLED')
);
}
/**
* @param string[][] $providerNames
*
* @return string
*/
protected function displayProviders(array $providerNames)
{
ksort($providerNames, SORT_NATURAL | SORT_FLAG_CASE);
$tableStart = [
'<div class="span6 col-md-6">',
'<table class="table table-striped" style="border: 1px solid #ddd">',
'<thead>',
'<tr>',
sprintf('<th>%s</th>', Text::_('PLG_CONTENT_OSEMBED_PROVIDER')),
sprintf('<th>%s</th>', Text::_('PLG_CONTENT_OSEMBED_PROVIDER_HOSTS')),
'</tr>',
'</thead>',
'<tbody>'
];
$tableEnd = [
'</tbody>',
'</table>',
'</div>'
];
$html = [];
$columns = $this->createColumns($providerNames);
foreach ($columns as $providerNames) {
$row = 0;
$html = array_merge($html, $tableStart);
foreach ($providerNames as $providerName => $hosts) {
$html[] = sprintf(
'<tr class="%s"><td style="width: 5%%">%s</td><td>%s</td></tr>',
'row' . $row++,
$providerName,
join('<br>', $hosts)
);
}
$html = array_merge($html, $tableEnd);
}
return sprintf('<div class="row-fluid">%s</div>', join("\n", $html));
}
/**
* @inheritDoc
*/
protected function getLayoutData()
{
return [];
}
/**
* Split $list into two roughly even columns accounting
* for the number of items in each element of $list
*
* @param string[][] $list
*
* @return string[][][]
*/
protected function createColumns(array $list)
{
$columns = array_chunk($list, ceil(count($list) / 2), true);
$countDiff = (int)((($this->getHostCount($columns[0]) - $this->getHostCount($columns[1])) / 2) / 2);
if ($countDiff && $countDiff < (count($list) / 4)) {
// Even out the columns only if it's a relatively minor difference
if ($countDiff > 0) {
// Move end of column 1 to top of column 2
$move = array_slice($columns[0], -$countDiff, null, true);
$columns[0] = array_slice($columns[0], 0, count($columns[0]) - $countDiff, true);
$columns[1] = array_merge($move, $columns[1]);
} elseif ($countDiff < 0) {
// Move top of column 2 to bottom of column 1
$countDiff = abs($countDiff);
$move = array_slice($columns[1], 0, $countDiff, true);
$columns[1] = array_slice($columns[1], $countDiff, null, true);
$columns[0] = array_merge($columns[0], $move);
}
}
return $columns;
}
/**
* @param string[][] $providers
*
* @return int
*/
protected function getHostCount(array $providers)
{
return (int)array_sum(
array_map(
function ($hosts) {
return count($hosts);
},
$providers
)
);
}
}