Add shortwiki entries when viewing a single tag

ext/index/theme.php

@@ -37,6 +37,8 @@ and of course start organising your images :-)
      */
     public function display_page(Page $page, array $images)
     {
+        $this->display_shortwiki($page);
+
         $this->display_page_header($page, $images);
 
         $nav = $this->build_navigation($this->page_number, $this->total_pages, $this->search_terms);
@@ -102,6 +104,36 @@ and of course start organising your images :-)
         return $table;
     }
 
+    protected function display_shortwiki(Page $page)
+    {
+        global $config;
+
+        if (class_exists('Wiki') && $config->get_bool(WikiConfig::TAG_SHORTWIKIS)) {
+            if (count($this->search_terms) == 1) {
+                $st = Tag::implode($this->search_terms);
+
+                $wikiPage = Wiki::get_page($st);
+                $short_wiki_description = '';
+                if ($wikiPage->id != -1) {
+                    // only show first line of wiki
+                    $short_wiki_description = explode("\n", $wikiPage->body, 2)[0];
+
+                    $tfe = new TextFormattingEvent($short_wiki_description);
+                    send_event($tfe);
+                    $short_wiki_description = $tfe->formatted;
+                }
+                $wikiLink = make_link("wiki/$st");
+                if (class_exists('TagCategories')) {
+                    $this->tagcategories = new TagCategories;
+                    $tag_category_dict = $this->tagcategories->getKeyedDict();
+                    $st = $this->tagcategories->getTagHtml(html_escape($st), $tag_category_dict);
+                }
+                $short_wiki_description = '<h2>'.$st.'&nbsp;<a href="'.$wikiLink.'"><sup>ⓘ</sup></a></h2>'.$short_wiki_description;
+                $page->add_block(new Block(null, $short_wiki_description, "main", 0, "short-wiki-description"));
+            }
+        }
+    }
+
     /**
      * #param Image[] $images
      */

ext/wiki/main.php

@@ -96,11 +96,31 @@ class WikiPage
     }
 }
 
+abstract class WikiConfig
+{
+    const TAG_SHORTWIKIS = "shortwikis_on_tags";
+}
+
 class Wiki extends Extension
 {
     /** @var WikiTheme */
     protected $theme;
 
+    public function onInitExt(InitExtEvent $event)
+    {
+        global $config;
+        $config->set_default_bool(WikiConfig::TAG_SHORTWIKIS, false);
+    }
+
+    // Add a block to the Board Config / Setup
+    public function onSetupBuilding(SetupBuildingEvent $event)
+    {
+        $sb = new SetupBlock("Wiki");
+        $sb->add_bool_option(WikiConfig::TAG_SHORTWIKIS, "Show shortwiki entry when searching for a single tag: ");
+
+        $event->panel->add_block($sb);
+    }
+
     public function onDatabaseUpgrade(DatabaseUpgradeEvent $event)
     {
         global $database;

themes/danbooru/index.theme.php

@@ -7,6 +7,8 @@ class CustomIndexTheme extends IndexTheme
      */
     public function display_page(Page $page, array $images)
     {
+        $this->display_shortwiki($page);
+
         global $config;
 
         if (count($this->search_terms) == 0) {

themes/danbooru/style.css

@@ -87,6 +87,12 @@ margin:auto;
 text-align:center;
 width:256px;
 }
+#short-wiki-description {
+padding:0 1.5em;
+}
+#short-wiki-description h2 {
+padding-bottom:0.2em;
+}
 FOOTER {
 clear:both;
 color:#CCCCCC;

themes/danbooru2/index.theme.php

@@ -7,6 +7,8 @@ class CustomIndexTheme extends IndexTheme
      */
     public function display_page(Page $page, array $images)
     {
+        $this->display_shortwiki($page);
+
         $this->display_page_header($page, $images);
 
         $nav = $this->build_navigation($this->page_number, $this->total_pages, $this->search_terms);

themes/danbooru2/style.css

@@ -99,6 +99,13 @@ border-top:medium none;
 text-align:center;
 font-size:0.75em;
 }
+#short-wiki-description {
+padding:0 2em;
+font-size:1.2em;
+}
+#short-wiki-description h2 {
+padding-bottom:0.2em;
+}
 FOOTER {
 clear:both;
 border-top:solid 1px #E7E7F7;

themes/default/style.css

@@ -148,6 +148,13 @@ ARTICLE TABLE {
 *                     specific page types                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
+#short-wiki-description > .blockbody {
+	padding-bottom: 15px;
+}
+#short-wiki-description h2 {
+	margin: 0 0 0.4em;
+}
+
 #pagelist {
 	margin-top: 32px;
 }

themes/futaba/style.css

@@ -84,6 +84,14 @@ TABLE.tag_list>TBODY>TR>TD:after {
 *                     specific page types                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
+#short-wiki-description > .blockbody {
+	padding-bottom: 15px;
+	font-size: 1.1em;
+}
+#short-wiki-description h2 {
+	margin: 0 0 0.4em;
+}
+
 .doubledash {
 	color: #D9BFB7;
 	vertical-align: top;

themes/warm/style.css

@@ -170,6 +170,13 @@ ARTICLE TABLE {
 *                     specific page types                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
+#short-wiki-description > .blockbody {
+	padding-bottom: 15px;
+}
+#short-wiki-description h2 {
+	margin: 0 0 0.4em;
+}
+
 #pagelist {
 	margin-top: 32px;
 }