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<?php |
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/** |
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* |
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* Topic Preview |
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* |
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* @copyright (c) 2013 Matt Friedman |
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* @license GNU General Public License, version 2 (GPL-2.0) |
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* |
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*/ |
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namespace vse\topicpreview\core; |
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use phpbb\config\config; |
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use phpbb\event\dispatcher_interface; |
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use phpbb\language\language; |
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use phpbb\template\template; |
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use phpbb\user; |
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use vse\topicpreview\core\trim\trim; |
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class display extends base |
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{ |
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/** @var int default width of topic preview */ |
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const PREVIEW_SIZE = 360; |
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/** @var int default height and width of topic preview avatars */ |
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const AVATAR_SIZE = 60; |
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/** @var dispatcher_interface */ |
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protected $dispatcher; |
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/** @var language */ |
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protected $language; |
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/** @var template */ |
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protected $template; |
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/** @var string phpBB root path */ |
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protected $root_path; |
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/** @var trim */ |
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protected $trim; |
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/** |
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* Constructor |
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* |
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* @param config $config Config object |
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* @param dispatcher_interface $dispatcher Event dispatcher object |
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* @param language $language Language object |
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* @param template $template Template object |
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* @param trim $trim Trim text object |
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* @param user $user User object |
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* @param string $root_path |
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*/ |
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public function __construct(config $config, dispatcher_interface $dispatcher, language $language, template $template, trim $trim, user $user, $root_path) |
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{ |
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$this->dispatcher = $dispatcher; |
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$this->language = $language; |
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$this->template = $template; |
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$this->trim = $trim; |
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$this->root_path = $root_path; |
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parent::__construct($config, $user); |
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$this->setup(); |
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} |
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/** |
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* Set up some common components |
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*/ |
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public function setup() |
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{ |
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// Load our language file (only needed if showing last post text) |
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if ($this->last_post_enabled()) |
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{ |
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$this->language->add_lang('topic_preview', 'vse/topicpreview'); |
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} |
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$this->template->assign_vars(array( |
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'S_TOPICPREVIEW' => $this->is_enabled(), |
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'TOPICPREVIEW_THEME' => $this->get_theme(), |
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'TOPICPREVIEW_DELAY' => $this->config['topic_preview_delay'], |
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'TOPICPREVIEW_DRIFT' => $this->config['topic_preview_drift'], |
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'TOPICPREVIEW_WIDTH' => !empty($this->config['topic_preview_width']) ? $this->config['topic_preview_width'] : self::PREVIEW_SIZE, |
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)); |
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} |
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/** |
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* Inject topic preview text into the template |
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* |
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* @param array $row Row data |
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* @param array $block Template vars array |
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* |
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* @return array Template vars array |
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*/ |
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public function display_topic_preview($row, $block) |
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{ |
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if (!$this->is_enabled()) |
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{ |
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return $block; |
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} |
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$block = array_merge($block, array( |
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'TOPIC_PREVIEW_FIRST_POST' => $this->get_text_helper($row, 'first_post_text'), |
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'TOPIC_PREVIEW_LAST_POST' => $this->get_text_helper($row, 'last_post_text'), |
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'TOPIC_PREVIEW_FIRST_AVATAR' => $this->get_user_avatar_helper($row, 'fp'), |
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'TOPIC_PREVIEW_LAST_AVATAR' => $this->get_user_avatar_helper($row, 'lp'), |
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)); |
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$tp_avatars = $this->avatars_enabled(); |
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/** |
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* EVENT to modify the topic preview display output before it gets inserted in the template block |
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* |
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* @event vse.topicpreview.display_topic_preview |
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* @var array row Topic row data |
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* @var array block Template vars array |
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* @var bool tp_avatars Display avatars setting |
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* @since 2.1.0 |
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*/ |
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$vars = array('row', 'block', 'tp_avatars'); |
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extract($this->dispatcher->trigger_event('vse.topicpreview.display_topic_preview', compact($vars))); |
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return $block; |
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} |
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/** |
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* Get topic preview text helper function |
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* This handles the trimming and censoring |
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* |
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* @param array $row User row data |
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* @param string $post The first or last post text column key |
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* |
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* @return string The trimmed and censored topic preview text |
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*/ |
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protected function get_text_helper($row, $post) |
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{ |
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// Ignore empty/unset text or when the last post is also the first (and only) post |
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if (empty($row[$post]) || ($post === 'last_post_text' && $row['topic_first_post_id'] === $row['topic_last_post_id'])) |
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{ |
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return ''; |
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} |
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return censor_text($this->trim->trim_text($row[$post], $this->config['topic_preview_limit'])); |
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} |
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/** |
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* Get user avatar helper function |
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* |
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* @param array $row User row data |
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* @param string $poster Type of poster, fp or lp |
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* |
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* @return string Avatar image |
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*/ |
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protected function get_user_avatar_helper($row, $poster) |
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{ |
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if (!$this->avatars_enabled()) |
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{ |
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return ''; |
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} |
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$avatar = ''; |
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if (!empty($row[$poster . '_avatar'])) |
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{ |
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$map = array( |
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'avatar' => $row[$poster . '_avatar'], |
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'avatar_type' => $row[$poster . '_avatar_type'], |
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'avatar_width' => $row[$poster . '_avatar_width'], |
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'avatar_height' => $row[$poster . '_avatar_height'], |
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); |
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$avatar = phpbb_get_user_avatar($map, 'USER_AVATAR', false, true); |
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} |
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// If avatar string is empty, fall back to no_avatar.gif |
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return $avatar ?: '<img class="avatar" src="' . $this->root_path . 'styles/' . rawurlencode($this->user->style['style_path']) . '/theme/images/no_avatar.gif" width="' . self::AVATAR_SIZE . '" height="' . self::AVATAR_SIZE . '" alt="' . $this->language->lang('USER_AVATAR') . '" />'; |
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} |
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/** |
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* Get user's style topic preview theme |
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* Fall back to no theme if expected theme not found |
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* |
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* @return mixed Theme name if theme file found, false otherwise |
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*/ |
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protected function get_theme() |
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{ |
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if (!empty($this->user->style['topic_preview_theme']) && file_exists($this->root_path . 'ext/vse/topicpreview/styles/all/theme/' . $this->user->style['topic_preview_theme'] . '.css')) |
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{ |
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return $this->user->style['topic_preview_theme']; |
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} |
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return false; |
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} |
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} |
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iMattPro /
topicpreview
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