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<?php |
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/** |
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* |
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* @package sitemaker |
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* @copyright (c) 2018 Daniel A. (blitze) |
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* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 |
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* |
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*/ |
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namespace blitze\content\blocks; |
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class swiper extends recent |
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{ |
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/** @var \blitze\sitemaker\services\util */ |
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protected $util; |
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/** @var string */ |
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protected $tpl_name = 'swiper'; |
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/** |
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* Constructor |
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* |
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* @param \phpbb\config\db $config Config object |
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* @param \phpbb\language\language $language Language Object |
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* @param \blitze\content\services\types $content_types Content types object |
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* @param \blitze\content\services\fields $fields Content fields object |
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* @param \blitze\sitemaker\services\date_range $date_range Date Range Object |
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* @param \blitze\sitemaker\services\forum\data $forum Forum Data object |
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* @param \blitze\sitemaker\services\util $util Sitemaker utility object |
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*/ |
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public function __construct(\phpbb\config\db $config, \phpbb\language\language $language, \blitze\content\services\types $content_types, \blitze\content\services\fields $fields, \blitze\sitemaker\services\date_range $date_range, \blitze\sitemaker\services\forum\data $forum, \blitze\sitemaker\services\util $util) |
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{ |
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parent::__construct($config, $language, $content_types, $fields, $date_range, $forum); |
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$this->util = $util; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get_config(array $settings) |
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{ |
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$config = parent::get_config($settings); |
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$direction_options = array('horizontal' => 'SWIPER_DIRECTION_HORIZONTAL', 'vertical' => 'SWIPER_DIRECTION_VERTICAL'); |
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$effect_options = array('slide' => 'SWIPER_EFFECT_SLIDE', 'fade' => 'SWIPER_EFFECT_FADE', 'coverflow' => 'SWIPER_EFFECT_COVERFLOW', 'flip' => 'SWIPER_EFFECT_FLIP'); |
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$pagination_options = array('' => 'SWIPER_PAGINATION_NONE', 'bullets' => 'SWIPER_PAGINATION_BULLETS', 'fraction' => 'SWIPER_PAGINATION_FRACTION', 'progressbar' => 'SWIPER_PAGINATION_PROGRESSBAR'); |
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$theme_options = array('default' => 'SWIPER_THEME_DEFAULT', 'white' => 'SWIPER_THEME_WHITE', 'black' => 'SWIPER_THEME_BLACK'); |
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$text_pos_options = array('top' => 'SWIPER_TEXT_POSITION_TOP', 'left' => 'SWIPER_TEXT_POSITION_LEFT', 'center' => 'SWIPER_TEXT_POSITION_CENTER', 'right' => 'SWIPER_TEXT_POSITION_RIGHT', 'bottom' => 'SWIPER_TEXT_POSITION_BOTTOM', 'after' => 'SWIPER_TEXT_POSITION_AFTER', 'random' => 'SWIPER_TEXT_POSITION_RANDOM'); |
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return array_merge($config, array( |
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'layout' => '', |
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'legend3' => 'SWIPER_SLIDESHOW', |
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'navigation' => array('lang' => 'SWIPER_NAVIGATION', 'validate' => 'bool', 'type' => 'radio:yes_no', 'default' => 1), |
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'theme' => array('lang' => 'SWIPER_THEME', 'validate' => 'string', 'type' => 'select', 'options' => $theme_options, 'default' => ''), |
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'pagination' => array('lang' => 'SWIPER_PAGINATION', 'validate' => 'string', 'type' => 'select', 'options' => $pagination_options, 'default' => 1), |
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'effect' => array('lang' => 'SWIPER_EFFECT', 'validate' => 'string', 'type' => 'select', 'options' => $effect_options, 'default' => 'slide'), |
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'parallax' => array('lang' => 'SWIPER_PARALLAX_IMAGE_URL', 'validate' => 'string', 'type' => 'text', 'default' => ''), |
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'direction' => array('lang' => 'SWIPER_DIRECTION', 'validate' => 'string', 'type' => 'select:1:0:direction', 'options' => $direction_options, 'default' => 'horizontal', 'append' => '<div id="direction-vertical" class="error small">' . $this->language->lang('SWIPER_HEIGHT_REQUIRED') . '</div>'), |
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'height' => array('lang' => 'SWIPER_HEIGHT', 'validate' => 'int:0', 'type' => 'number:0', 'default' => 0, 'append' => 'PIXEL'), |
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'thumbs' => array('lang' => 'SWIPER_THUMBNAILS', 'validate' => 'bool', 'type' => 'radio:yes_no', 'default' => 0), |
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'loop' => array('lang' => 'SWIPER_LOOP', 'validate' => 'bool', 'type' => 'radio:yes_no', 'default' => 1), |
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'autoplay' => array('lang' => 'SWIPER_AUTOPLAY', 'validate' => 'int:0', 'type' => 'number:0', 'default' => 0, 'append' => 'MILLISECONDS'), |
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'legend4' => 'SWIPER_SLIDES', |
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'text_position' => array('lang' => 'SWIPER_TEXT_POSITION', 'validate' => 'string', 'type' => 'select', 'options' => $text_pos_options, 'default' => ''), |
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'slides-per-view' => array('lang' => 'SWIPER_SLIDES_PER_VIEW', 'validate' => 'int:1', 'type' => 'number:1', 'default' => 1), |
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'slides-per-group' => array('lang' => 'SWIPER_SLIDES_PER_GROUP', 'validate' => 'int:1', 'type' => 'number:1', 'default' => 1), |
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'space-between' => array('lang' => 'SWIPER_SPACE_BETWEEN_SLIDES', 'validate' => 'int:0', 'type' => 'number:0', 'default' => 10, 'append' => 'PIXEL'), |
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'set-wrapper-size' => array('lang' => 'SWIPER_EQUAL_HEIGHT_SLIDES', 'validate' => 'bool', 'type' => 'radio:yes_no', 'default' => 1), |
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'auto-height' => array('lang' => 'SWIPER_AUTO_HEIGHT', 'validate' => 'bool', 'type' => 'radio:yes_no', 'default' => 0), |
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'centered-slides' => array('lang' => 'SWIPER_CENTERED', 'validate' => 'bool', 'type' => 'radio:yes_no', 'default' => 0), |
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'free-mode' => array('lang' => 'SWIPER_FREE_MODE', 'validate' => 'bool', 'type' => 'radio:yes_no', 'explain' => true, 'default' => 0), |
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)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function display(array $bdata, $edit_mode = false) |
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{ |
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$this->util->add_assets(array( |
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'js' => array( |
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'@blitze_content/vendor/swiper/dist/js/swiper.min.js', |
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'@blitze_content/assets/blocks/swiper.min.js', |
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), |
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'css' => array( |
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'@blitze_content/assets/blocks/swiper.min.css', |
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) |
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)); |
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$this->ptemplate->assign_vars(array( |
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'ID' => $bdata['bid'], |
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'SETTINGS' => $bdata['settings'], |
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)); |
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return parent::display($bdata, $edit_mode); |
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} |
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} |
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If you return a value from a function or method, it should be a sub-type of the type that is given by the parent type f.e. an interface, or abstract method. This is more formally defined by the Lizkov substitution principle, and guarantees that classes that depend on the parent type can use any instance of a child type interchangably. This principle also belongs to the SOLID principles for object oriented design.
Let’s take a look at an example:
Our function
my_function
expects aPost
object, and outputs the author of the post. The base classPost
returns a simple string and outputting a simple string will work just fine. However, the child classBlogPost
which is a sub-type ofPost
instead decided to return anobject
, and is therefore violating the SOLID principles. If aBlogPost
were passed tomy_function
, PHP would not complain, but ultimately fail when executing thestrtoupper
call in its body.