FEATURE #1528: add button for creating slider from gallery

modules/Gallery/Resources/lang/en/admin/content.php

@@ -1,5 +1,11 @@
 <?php
 return [
     'upload'                   => 'Upload photos',
-    'uploadAfterSavingGallery' => 'Uploading for this gallery is not available yet. You must create the gallery first and upload later.'
+    'uploadAfterSavingGallery' => 'Uploading for this gallery is not available yet. You must create the gallery first and upload later.',
+    'makeSlider'               => 'Make slider from this photogallery',
+    'orbitSliderMissing'       => 'Cannot create slider. Widget for slider is not installed.',
+    'invalidGallery'           => 'This content page is not a valid gallery page.',
+    'sliderFailed'             => 'Slider could not be created. Reason: :message',
+    'sliderCreated'            => 'Slider successfully created.',
+    'sliderEdit' => 'Slider settings',
 ];

modules/Gallery/Resources/views/admin/content/editUpload.blade.php

@@ -1,3 +1,12 @@
 <div class="row column">
     <a href="{{route('upload.overview', ['id' => $page->module_settings->directoryId])}}" class="button large expanded success">@lang('gallery::admin/content.upload')</a>
-</div>
+</div>
+
+<div class="row column text-center">
+    @if (!$extraData['slider'])
+        <a href="{{route('gallery.makeSlider', ['id' => $page->id])}}" class="button primary">@lang('gallery::admin/content.makeSlider')</a>
+    @else
+        <a href="{{route('widgets.edit', ['id' => $extraData['slider']])}}" class="button secondary">@lang('gallery::admin/content.sliderEdit')</a>
+    @endif
+</div>
+<div class="clearfix"></div>