68 lines
2.3 KiB
PHP
68 lines
2.3 KiB
PHP
<?php declare(strict_types=1);
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class RandomImage extends Extension
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{
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/** @var RandomImageTheme */
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protected $theme;
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public function onPageRequest(PageRequestEvent $event)
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{
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global $page;
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if ($event->page_matches("random_image")) {
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if ($event->count_args() == 1) {
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$action = $event->get_arg(0);
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$search_terms = [];
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} elseif ($event->count_args() == 2) {
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$action = $event->get_arg(0);
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$search_terms = Tag::explode($event->get_arg(1));
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} else {
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throw new SCoreException("Error: too many arguments.");
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}
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$image = Image::by_random($search_terms);
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if (!$image) {
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throw new SCoreException(
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"Couldn't find any images randomly",
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Tag::implode($search_terms)
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);
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}
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if ($action === "download") {
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if (!is_null($image)) {
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send_event(new ImageDownloadingEvent($image, $image->get_image_filename(), $image->get_mime_type()));
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}
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} elseif ($action === "view") {
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send_event(new DisplayingImageEvent($image));
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} elseif ($action === "widget") {
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$page->set_mode(PageMode::DATA);
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$page->set_type(MIME_TYPE_HTML);
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$page->set_data($this->theme->build_thumb_html($image));
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}
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}
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}
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public function onSetupBuilding(SetupBuildingEvent $event)
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{
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$sb = new SetupBlock("Random Image");
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$sb->add_bool_option("show_random_block", "Show Random Block: ");
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$event->panel->add_block($sb);
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}
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public function onPostListBuilding(PostListBuildingEvent $event)
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{
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global $config, $page;
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if ($config->get_bool("show_random_block")) {
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$image = Image::by_random($event->search_terms);
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if (!is_null($image)) {
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$this->theme->display_random($page, $image);
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}
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}
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}
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public function onPageSubNavBuilding(PageSubNavBuildingEvent $event)
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{
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if ($event->parent=="posts") {
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$event->add_nav_link("posts_random", new Link('random_image/view'), "Random Image");
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}
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}
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}
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