Add footer to public page template

Signed-off-by: Julius Härtl <jus@bitgrid.net>

core/templates/layout.public.php

@@ -76,6 +76,11 @@
 	<div id="content" class="app-<?php p($_['appid']) ?>" role="main">
 		<?php print_unescaped($_['content']); ?>
 	</div>
+	<?php if($template->getFooterVisible()) { ?>
+	<footer>
+		<p class="info"><?php print_unescaped($theme->getLongFooter()); ?></p>
+	</footer>
+	<?php } ?>
 </div>
 
 </body>

lib/public/AppFramework/Http/Template/PublicTemplateResponse.php

@@ -37,6 +37,7 @@ class PublicTemplateResponse extends TemplateResponse {
 	private $headerTitle = '';
 	private $headerDetails = '';
 	private $headerActions = [];
+	private $footerVisible = true;
 
 	/**
 	 * PublicTemplateResponse constructor.
@@ -128,6 +129,20 @@ class PublicTemplateResponse extends TemplateResponse {
 		return array_slice($this->headerActions, 1);
 	}
 
+	/**
+	 * @since 14.0.0
+	 */
+	public function setFooterVisible(bool $visible = false) {
+		$this->footerVisible = $visible;
+	}
+
+	/**
+	 * @since 14.0.0
+	 */
+	public function getFooterVisible(): bool {
+		return $this->footerVisible;
+	}
+
 	/**
 	 * @return string
 	 * @since 14.0.0