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<?php |
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namespace SilverStripe\ElementalBlocks\Block; |
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use SilverStripe\CMS\Model\SiteTree; |
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use SilverStripe\Core\Convert; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\Forms\HTMLEditor\TinyMCEConfig; |
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use SilverStripe\View\ArrayData; |
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use SilverStripe\View\Requirements; |
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class BannerBlock extends FileBlock |
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{ |
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private static $icon = 'font-icon-block-banner'; |
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private static $db = [ |
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'Content' => 'HTMLText', |
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'CallToActionLink' => 'Link', |
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]; |
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private static $singular_name = 'banner'; |
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private static $plural_name = 'banners'; |
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private static $table_name = 'S_EB_BannerBlock'; |
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public function getType() |
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{ |
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return _t(__CLASS__ . '.BlockType', 'Banner'); |
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} |
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public function getCMSFields() |
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{ |
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$this->beforeUpdateCMSFields(function (FieldList $fields) { |
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// Remove default scaffolded relationship fields |
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$fields->removeByName('CallToActionLinkID'); |
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// Move the file upload field to be before the content |
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$upload = $fields->fieldByName('Root.Main.File'); |
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$fields->insertBefore('Content', $upload); |
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// Set the height of the content fields |
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$fields->fieldByName('Root.Main.Content')->setRows(5); |
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}); |
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// Ensure TinyMCE's javascript is loaded before the blocks overrides |
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Requirements::javascript(TinyMCEConfig::get()->getScriptURL()); |
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Requirements::javascript('silverstripe/elemental-blocks:client/dist/js/bundle.js'); |
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Requirements::css('silverstripe/elemental-blocks:client/dist/styles/bundle.css'); |
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return parent::getCMSFields(); |
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} |
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/** |
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* For the frontend, return a parsed set of data for use in templates |
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* |
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* @return ArrayData|null |
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*/ |
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public function CallToActionLink() |
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{ |
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return $this->decodeLinkData($this->getField('CallToActionLink')); |
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} |
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/** |
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* Add the banner content instead of the image title |
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* |
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* {@inheritDoc} |
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*/ |
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public function getSummary() |
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{ |
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if ($this->File() && $this->File()->exists()) { |
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return $this->getSummaryThumbnail() . $this->dbObject('Content')->Summary(20); |
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} |
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return ''; |
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} |
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/** |
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* Given a set of JSON data, decode it, attach the relevant Page object and return as ArrayData |
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* |
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* @param string $linkJson |
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* @return ArrayData|null |
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*/ |
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protected function decodeLinkData($linkJson) |
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{ |
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if (!$linkJson || $linkJson === 'null') { |
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return; |
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} |
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$data = ArrayData::create(Convert::json2obj($linkJson)); |
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// Link page, if selected |
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if ($data->PageID) { |
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$data->setField('Page', self::get_by_id(SiteTree::class, $data->PageID)); |
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} |
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return $data; |
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} |
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} |
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silverstripe /
silverstripe-elemental-blocks
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