Current File : /home/vacivi36/intranet.vacivitta.com.br/protected/humhub/modules/topic/widgets/TopicPicker.php
<?php
/**
* @link https://www.humhub.org/
* @copyright Copyright (c) 2017 HumHub GmbH & Co. KG
* @license https://www.humhub.com/licences
*
*/
namespace humhub\modules\topic\widgets;
use humhub\modules\content\components\ContentContainerActiveRecord;
use humhub\modules\content\helpers\ContentContainerHelper;
use humhub\modules\topic\permissions\AddTopic;
use humhub\modules\content\widgets\ContentTagPicker;
use humhub\modules\topic\models\Topic;
use Yii;
use yii\helpers\Url;
/**
* This InputWidget class can be used to add a topic picker input field. The topic picker field is only
* rendered if there are topics available or if the user is allowed to create topics.
*/
class TopicPicker extends ContentTagPicker
{
/**
* @inheritdoc
*/
public $itemClass = Topic::class;
/**
* @inheritdoc
*/
public $minInput = 2;
/**
* @inheritdoc
*/
public $showDefaults = true;
/**
* @inheritdoc
*/
public function init()
{
$this->contentContainer = $this->contentContainer ?: ContentContainerHelper::getCurrent();
if (!$this->url && $this->contentContainer) {
$this->url = $this->contentContainer->createUrl('/topic/topic/search');
} else {
$this->url = Url::to(['/topic/topic/search']);
}
$this->addOptions = static::canAddTopic($this->contentContainer);
parent::init();
}
/**
* @inheritdoc
*/
public function run()
{
if(!static::canAddTopic($this->contentContainer) && !static::hasTopics($this->contentContainer)) {
return $this->emptyResult();
}
return parent::run();
}
/**
* Determines if a topicpicker should be rendered for the current user. This is only the case if there are topics
* available for the given container or the user is allowed to create topics.
*
* @param ContentContainerActiveRecord|null $container
* @return bool
*/
public static function showTopicPicker(ContentContainerActiveRecord $container = null)
{
return static::canAddTopic($container) || static::hasTopics($container);
}
/**
* Determines if the current user is allowed to add topics on this container.
*
* @return bool
* @since 1.6
*/
private static function canAddTopic(ContentContainerActiveRecord $container = null)
{
return $container && $container->can(AddTopic::class);
}
/**
* Checks if there are topics available on this container.
*
* @return bool
*/
private static function hasTopics(ContentContainerActiveRecord $container = null)
{
if(!$container) {
return (bool) Topic::find()->count();
}
return (bool) Topic::findByContainer($container)->count();
}
/**
* @inheritdoc
* @param $tags
* @return array
*/
public static function jsonResult($tags)
{
$result = parent::jsonResult($tags);
foreach($result as $key => $tag) {
$result[$key]['image'] = Yii::$app->getModule('topic')->icon;
}
return $result;
}
/**
* @inheritdoc
*/
public function getItemImage($item)
{
return Yii::$app->getModule('topic')->icon;
}
/**
* @inheritdoc
*/
protected function getData()
{
$result = parent::getData();
$allowMultiple = $this->maxSelection !== 1;
$result['placeholder'] = Yii::t('TopicModule.widgets_TopicPicker', 'Select {n,plural,=1{topic} other{topics}}', ['n' => ($allowMultiple) ? 2 : 1]);
$result['placeholder-more'] = Yii::t('TopicModule.widgets_TopicPicker', 'Select topic...');
$result['no-result'] = Yii::t('TopicModule.widgets_TopicPicker', 'No topics found for the given query');
if ($this->maxSelection) {
$result['maximum-selected'] = Yii::t('TopicModule.widgets_TopicPicker', 'This field only allows a maximum of {n,plural,=1{# topic} other{# topics}}', ['n' => $this->maxSelection]);
}
return $result;
}
}
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