Slider improvements on/off/hide fields

app/_config/extensions.yml

@@ -11,6 +11,10 @@ SilverStripe\Blog\Model\BlogPost:
   extensions:
     - Site\Extensions\BlogPostExtension
 
+Dynamic\FlexSlider\Model\SlideImage:
+  extensions:
+  - Site\Extensions\SlideImageExtension
+
 SilverStripe\Core\Injector\Injector:
   SilverStripe\UserForms\Model\UserDefinedForm:
     class: Site\Extensions\CMSMain_HiddenClass

app/src/Elements/SliderElement.php

@@ -9,7 +9,13 @@
 namespace Site\Elements;
 
 use Dynamic\Elements\Flexslider\Elements\ElementSlideshow;
+use Dynamic\FlexSlider\Model\SlideImage;
 use Dynamic\FlexSlider\ORM\FlexSlider;
+use SilverStripe\Core\Injector\Injector;
+use SilverStripe\Forms\CheckboxField;
+use SilverStripe\Forms\LiteralField;
+use SilverStripe\Forms\ReadonlyField;
+use Symbiote\GridFieldExtensions\GridFieldEditableColumns;
 
 class SliderElement extends ElementSlideshow
 {
@@ -25,8 +31,70 @@ class SliderElement extends ElementSlideshow
         FlexSlider::class,
     ];
 
+    private static $owns = [
+        'Slides',
+    ];
+
+    private $items;
+
     public function getType()
     {
         return self::$singular_name;
     }
+
+    public function getCMSFields()
+    {
+        $fields = parent::getCMSFields();
+
+        // remove in case you don't need to provide this functionality
+        $fields->removeByName([
+            'ConfigHD',
+            'Animation',
+            'Loop',
+            'Animate',
+            'ThumbnailNav',
+            'SliderControlNav',
+            'SliderDirectionNav',
+            'CarouselControlNav',
+            'CarouselDirectionNav',
+            'CarouselThumbnailCt',
+        ]);
+
+        $grid = $fields->dataFieldByName('Slides');
+        $config = $grid->getConfig();
+
+        $columns = new GridFieldEditableColumns();
+        $columns->setDisplayFields([
+            'Hide'  => [
+                'title' => 'Hide it?',
+                'field' => CheckboxField::class,
+            ],
+        ]);
+
+        $config->addComponent($columns);
+
+        return $fields;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getSlideShow()
+    {
+        if($this->items) {
+            return $this->items;
+        }
+
+        $date = date('Y-m-d H:i:s');
+        $this->items = $this->Slides()->filter([
+            'Hide' => '0',
+        ])->filterByCallback(function($item, $list) use ($date) {
+            $on = $item->getField('DateOn');
+            $off = $item->getField('DateOff');
+
+            return ($on <= $date) && (!$off || $off > $date);
+        })->sort('SortOrder');
+
+        return $this->items;
+    }
 }

app/src/Extensions/SlideImageExtension.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: tony
+ * Date: 6/30/18
+ * Time: 11:37 PM
+ */
+
+namespace Site\Extensions;
+
+use Sheadawson\Linkable\Forms\LinkField;
+use Sheadawson\Linkable\Models\Link;
+use SilverStripe\Forms\CheckboxField;
+use SilverStripe\Forms\DatetimeField;
+use SilverStripe\Forms\FieldList;
+use SilverStripe\Forms\TextField;
+use SilverStripe\Forms\ToggleCompositeField;
+use SilverStripe\ORM\DataExtension;
+
+class SlideImageExtension extends DataExtension
+{
+    private static $db = [
+        'Hide' => 'Boolean(0)',
+        'DateOn' => 'Datetime',
+        'DateOff' => 'Datetime',
+    ];
+
+    public function updateCMSFields(FieldList $fields)
+    {
+        parent::updateCMSFields($fields);
+
+        $fields->removeByName([
+            'PageLinkID',
+            'Hide',
+            'DateOn',
+            'DateOff',
+        ]);
+
+        $fields->addFieldToTab('Root.Main', ToggleCompositeField::create(
+            'ConfigHD',
+            'Slide Settings', [
+                CheckboxField::create('Hide', 'Hide this slide? (That will hide the slide regardless of start/end fields)'),
+                DatetimeField::create('DateOn', 'When would you like to start showing the slide?'),
+                DatetimeField::create('DateOff', 'When would you like to stop showing the slide?'),
+            ]
+        ));
+    }
+}