add help button to ical export for android, fixes #402

config/config.default.php

@@ -32,6 +32,9 @@ return [
         'Contact' => env('CONTACT_EMAIL', 'mailto:ticket@c3heaven.de'),
     ],
     
+    // Link to documentation/help
+    'documentation_url' => 'https://engelsystem.de/doc/',
+
     // Email config
     'email'                   => [
         // Can be mail, smtp, sendmail or log
@@ -74,7 +77,7 @@ return [
     'home_site'               => 'news',
 
     // Number of News shown on one site
-    'display_news'            => 6,
+    'display_news'            => 10,
 
     // Users are able to sign up
     'registration_enabled'    => (bool)env('REGISTRATION_ENABLED', true),

includes/pages/user_shifts.php

@@ -289,7 +289,7 @@ function ical_hint()
 {
     $user = auth()->user();
 
-    return heading(__('iCal export'), 2)
+    return heading(__('iCal export') . ' ' . button_help('user/ical'), 2)
         . '<p>' . sprintf(
             __('Export your own shifts. <a href="%s">iCal format</a> or <a href="%s">JSON format</a> available (please keep secret, otherwise <a href="%s">reset the api key</a>).'),
             page_link_to('ical', ['key' => $user->api_key]),

includes/sys_template.php

@@ -378,6 +378,17 @@ function button_glyph($href, $glyph, $class = '')
     return button($href, glyph($glyph), $class);
 }
 
+/**
+ * Rendert einen Knopf, der zur Hilfe eines bestimmten Themas führt.
+ * 
+ * @param string $topic documentation resource (like user/), is appended to documentation url.
+ * @return string
+ */
+function button_help($topic = '')
+{
+    return button(config('documentation_url') . $topic, glyph('question-sign'), 'btn-sm');
+}
+
 /**
  * Rendert eine Toolbar mit Knöpfen
  *