fix(views): no results listing output should show if empty item views

fixes #9917

views/default/page/components/gallery.php

@@ -24,11 +24,7 @@
 $no_results = elgg_extract('no_results', $vars, '');
 
 if (!$items && $no_results) {
-	if ($no_results instanceof Closure) {
-		echo $no_results();
-		return;
-	}
-	echo "<p class='elgg-no-results'>$no_results</p>";
+	echo elgg_view('page/components/no_results', $vars);
 	return;
 }
 
@@ -72,7 +68,12 @@
 	echo $nav;
 }
 
-echo elgg_format_element('ul', ['class' => $list_classes], $list_items);
+if (empty($list_items) && $no_results) {
+	// there are scenarios where item views do not output html. In those cases show the no results info
+	echo elgg_view('page/components/no_results', $vars);
+} else {
+	echo elgg_format_element('ul', ['class' => $list_classes], $list_items);
+}
 
 if ($position == 'after' || $position == 'both') {
 	echo $nav;

views/default/page/components/list.php

@@ -26,11 +26,7 @@
 $no_results = elgg_extract('no_results', $vars, '');
 
 if (!$items && $no_results) {
-	if ($no_results instanceof Closure) {
-		echo $no_results();
-		return;
-	}
-	echo "<p class='elgg-no-results'>$no_results</p>";
+	echo elgg_view('page/components/no_results', $vars);
 	return;
 }
 
@@ -81,7 +77,12 @@
 	echo $nav;
 }
 
-echo elgg_format_element('ul', ['class' => $list_classes], $list_items);
+if (empty($list_items) && $no_results) {
+	// there are scenarios where item views do not output html. In those cases show the no results info
+	echo elgg_view('page/components/no_results', $vars);
+} else {
+	echo elgg_format_element('ul', ['class' => $list_classes], $list_items);
+}
 
 if ($position == 'after' || $position == 'both') {
 	echo $nav;

views/default/page/components/no_results.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * No results view
+ *
+ * @uses $vars['no_results'] Message to display if no results (string|Closure)
+ */
+$no_results = elgg_extract('no_results', $vars);
+if (empty($no_results)) {
+	return;
+}
+
+if ($no_results instanceof Closure) {
+	echo $no_results();
+	return;
+}
+
+echo "<p class='elgg-no-results'>$no_results</p>";