FIX: Replace link field

src/ClassReplacement/SlideImage.php

@@ -0,0 +1,350 @@
+<?php
+
+namespace Dynamic\FlexSlider\Model;
+
+use function GuzzleHttp\Psr7\parse_request;
+use gorriecoe\Embed\Models\Embed;
+use gorriecoe\Link\Models\Link;
+use gorriecoe\LinkField\LinkField;
+use SilverStripe\AssetAdmin\Forms\UploadField;
+use SilverStripe\Assets\Image;
+use SilverStripe\CMS\Model\SiteTree;
+use SilverStripe\Dev\Debug;
+use SilverStripe\Forms\CompositeField;
+use SilverStripe\Forms\DropdownField;
+use SilverStripe\Forms\FieldList;
+use SilverStripe\Forms\TreeDropdownField;
+use SilverStripe\ORM\DataObject;
+use SilverStripe\Security\Permission;
+use SilverStripe\Security\PermissionProvider;
+use UncleCheese\DisplayLogic\Forms\Wrapper;
+
+/**
+ * Class SlideImage
+ * @package Dynamic\FlexSlider\Model
+ * @property string $Name
+ * @property string $Headline
+ * @property string $Description
+ * @property int $SortOrder
+ * @property string $SlideType
+ * @property int $ImageID
+ * @property int $VideoID
+ * @property int $PageID
+ * @property int $PageLinkID
+ * @property int $LinkID
+ */
+class SlideImage extends DataObject implements PermissionProvider
+{
+    /**
+     * @var string
+     */
+    private static $singular_name = 'Slide';
+
+    /**
+     * @var string
+     */
+    private static $plural_name = 'Slides';
+
+    /**
+     * @var array
+     */
+    private static $db = [
+        'Name' => 'Varchar(255)',
+        'Headline' => 'Varchar(255)',
+        'Description' => 'Text',
+        'SortOrder' => 'Int',
+        'SlideType' => 'Varchar',
+    ];
+
+    /**
+     * @var array
+     */
+    private static $has_one = [
+        'Image' => Image::class,
+        'Video' => Embed::class,
+        'Page' => \Page::class,
+        'PageLink' => SiteTree::class,
+        'SlideLink' => Link::class,
+    ];
+
+    /**
+     * @var array
+     */
+    private static $owns = [
+        'Image',
+    ];
+
+    /**
+     * @var string
+     */
+    private static $table_name = 'SlideImage';
+
+    /**
+     * @var string
+     */
+    private static $default_sort = 'SortOrder';
+
+    /**
+     * Adds Publish button to SlideImage record
+     *
+     * @var bool
+     */
+    private static $versioned_gridfield_extensions = true;
+
+    /**
+     * @var array
+     */
+    private static $defaults = [
+        'SlideType' => 'Image',
+    ];
+
+    /**
+     * @var array
+     */
+    private static $summary_fields = [
+        'Image.CMSThumbnail' => 'Image',
+        'Name' => 'Name',
+    ];
+
+    /**
+     * @var array
+     */
+    private static $searchable_fields = [
+        'Name',
+        'Headline',
+        'Description',
+    ];
+
+    /**
+     * @var int
+     */
+    private static $image_size_limit = 512000;
+
+    /**
+     * @var array
+     */
+    private static $slide_types = [
+        'Image',
+        'Video',
+        'Text',
+    ];
+
+    /**
+     * @param bool $includerelations
+     * @return array
+     */
+    public function fieldLabels($includerelations = true)
+    {
+        $labels = parent::fieldLabels($includerelations);
+
+        $labels['Name'] = _t(__CLASS__ . '.NAME', 'Name');
+        $labels['Headline'] = _t(__CLASS__ . '.HEADLINE', 'Headline');
+        $labels['Description'] = _t(__CLASS__ . '.DESCRIPTION', 'Description');
+        $labels['SlideLinkID'] =  _t(__CLASS__ . '.PAGE_LINK', "Call to action link");
+        $labels['Image'] = _t(__CLASS__ . '.IMAGE', 'Image');
+        $labels['SlideType'] = _t(__CLASS__ . '.SlideType', 'Image or Video');
+        $labels['Video'] = _t(__CLASS__ . '.VideoLabel', 'Video URL');
+
+        return $labels;
+    }
+
+    /**
+     * @return \SilverStripe\Forms\FieldList
+     */
+    public function getCMSFields()
+    {
+        $this->beforeUpdateCMSFields(function ($fields) {
+            $fields->removeByName([
+                'ShowSlide',
+                'SortOrder',
+                'PageID',
+                'Image',
+                'SlideType',
+                'Video',
+                'VideoID',
+                'SlideLinkID',
+            ]);
+
+            // Name
+            $fields->dataFieldByName('Name')
+                ->setDescription(
+                    _t(__CLASS__ . '.INTERNAL_USE', 'for internal reference only')
+                );
+
+            // Headline
+            $fields->dataFieldByName('Headline')
+                ->setDescription(
+                    _t(__CLASS__ . '.USED_IN_TEMPLATE', 'optional, used in template')
+                );
+
+            // Description
+            $fields->dataFieldByName('Description')
+                ->setDescription(
+                    _t(__CLASS__ . '.USED_IN_TEMPLATE', 'optional, used in template')
+                );
+
+            // Page link
+            $fields->replaceField(
+                'PageLinkID',
+                LinkField::create('SlideLink', $this->fieldLabel('SlideLinkID'), $this)
+            );
+
+            // Image
+            $image = UploadField::create('Image', $this->fieldLabel('Image'))
+                ->setFolderName('Uploads/SlideImages');
+
+            $image->getValidator()->setAllowedExtensions(['jpg', 'jpeg', 'png', 'gif']);
+
+            $fields->addFieldToTab(
+                'Root.Main',
+                CompositeField::create(FieldList::create(
+                    DropdownField::create('SlideType', $this->fieldLabel('SlideType'))
+                        ->setSource($this->getTypeSource()),
+                    Wrapper::create(
+                        $image
+                    )->displayIf('SlideType')->isEqualTo('Image')->orIf('SlideType')->isEqualTo('Video')->end(),
+                    Wrapper::create(
+                        $videoField = HasOneButtonField::create(
+                            'Video',
+                            'Video',
+                            $this
+                        )
+                            ->setDescription(_t(__CLASS__ . '.VideoDescription', 'Supported links: YouTube, Vimeo'))
+                    )->displayIf('SlideType')->isEqualTo('Video')->end()
+                ))->setName('MediaFields'),
+                'Description'
+            );
+        });
+
+        $fields = parent::getCMSFields();
+
+        $this->extend('updateSlideImageFields', $fields);
+
+        return $fields;
+    }
+
+    /**
+     * @return \SilverStripe\ORM\ValidationResult
+     */
+    public function validate()
+    {
+        $result = parent::validate();
+
+        if (!$this->Name) {
+            $result->addError(
+                _t(__CLASS__ . '.NAME_REQUIRED', 'A Name is required before you can save')
+            );
+        }
+
+        $types = $this->getTypeSource();
+
+        if (isset($types['Video']) && $this->SlideType == 'Video' && !$this->VideoID) {
+            $result->addError(
+                _t(__CLASS__ . '.VIDEO_REQUIRED', 'An Video Link is required before you can save')
+            );
+        }
+
+        if (isset($types['Image']) && $this->SlideType == 'Image' && !$this->ImageID) {
+            $result->addError(
+                _t(__CLASS__ . '.IMAGE_REQUIRED', 'An Image is required before you can save')
+            );
+        }
+
+        if (isset($types['Text']) && $this->SlideType == 'Text' && !$this->Description) {
+            $result->addError(
+                _t(__CLASS__ . '.DESCRIPTION_REQUIRED', 'A Description is required before you can save')
+            );
+        }
+
+        return $result;
+    }
+
+    /**
+     * @return array
+     */
+    public function providePermissions()
+    {
+        return [
+            'Slide_EDIT' => 'Slide Edit',
+            'Slide_DELETE' => 'Slide Delete',
+            'Slide_CREATE' => 'Slide Create',
+        ];
+    }
+
+    /**
+     * @param null $member
+     * @param array $context
+     *
+     * @return bool|int
+     */
+    public function canCreate($member = null, $context = [])
+    {
+        return Permission::check('Slide_CREATE', 'any', $member);
+    }
+
+    /**
+     * @param null $member
+     * @param array $context
+     *
+     * @return bool|int
+     */
+    public function canEdit($member = null, $context = [])
+    {
+        return Permission::check('Slide_EDIT', 'any', $member);
+    }
+
+    /**
+     * @param null $member
+     * @param array $context
+     *
+     * @return bool|int
+     */
+    public function canDelete($member = null, $context = [])
+    {
+        return Permission::check('Slide_DELETE', 'any', $member);
+    }
+
+    /**
+     * @param null $member
+     * @param array $context
+     *
+     * @return bool
+     */
+    public function canView($member = null, $context = [])
+    {
+        return true;
+    }
+
+    /**
+     * @return array
+     */
+    public function getTypeSource()
+    {
+        $types = $this->config()->get('slide_types');
+        asort($types);
+        return array_combine($types, $types);
+    }
+
+    /**
+     * @param null $template
+     * @param null $customFields
+     * @return \SilverStripe\ORM\FieldType\DBHTMLText
+     */
+    public function renderWith($template = null, $customFields = null)
+    {
+        if ($template === null) {
+            $template = static::class;
+            $template = ($this->SlideType) ? $template . "_{$this->SlideType}" : '';
+        }
+
+        return parent::renderWith($template);
+    }
+
+    /**
+     * @return \SilverStripe\ORM\FieldType\DBHTMLText
+     */
+    public function forTemplate()
+    {
+        return $this->renderWith();
+    }
+}