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<?php |
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/** |
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* StartGeneratedWithDataObjectAnnotator |
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* @method DataList|HeaderGalleryImage[] HeaderGallery |
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* EndGeneratedWithDataObjectAnnotator |
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*/ |
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class HeaderGalleryExtension extends DataExtension |
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{ |
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private static $has_many = array( |
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'HeaderGallery' => 'HeaderGalleryImage' |
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); |
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/** |
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* Limit the number of displayed header images |
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* If set to 1 we have a single upload field |
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* @var int |
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*/ |
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private static $limit_header_images = 0; |
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private static $delete_permission = "CMS_ACCESS_CMSMain"; |
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public function updateCMSFields(FieldList $fields) |
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{ |
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/** |
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* @var GridFieldConfig $conf |
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*/ |
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$conf = GridFieldConfig_RecordEditor::create(10); |
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$conf->addComponent(new GridFieldSortableRows('SortOrder')); |
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$conf->addComponent(new GridFieldGalleryTheme('Attachment')); |
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$conf->addComponent(new GridFieldBulkUpload()); |
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$conf->getComponentByType('GridFieldBulkUpload')->setUfSetup('setFolderName', 'header'); |
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if (class_exists('GridFieldPaginatorWithShowAll')) { |
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$conf->removeComponentsByType('GridFieldPaginator'); |
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$conf->addComponent(new GridFieldPaginatorWithShowAll(10)); |
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} |
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$fields->addFieldToTab( |
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"Root." . _t('HeaderGalleryExtension.GalleryTabName', 'Header Gallery'), |
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Gridfield::create( |
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'HeaderGallery', |
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_t('HeaderGalleryExtension.GalleryFieldTitle', 'Gallery in header'), |
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$this->owner->HeaderGallery(), |
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$conf |
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) |
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); |
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} |
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/** |
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* Helper for getting the header gallery in the template |
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* Tries to find the current gallery, falls back to parent pages and home-page or SiteConfig if it has a standard gallery |
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* @return null|void |
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*/ |
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public function getHeaderPics() |
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{ |
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$owner = $this->getGalleryOwner(); |
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if (!$owner->ID) { |
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return; |
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} |
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if (isset($owner->ID) && $owner->HeaderGallery()->count() > 0) { |
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return $owner->HeaderGallery(); |
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} |
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if ($owner->ParentID && $gallery = $this->getGalleryOfParent($owner)) { |
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return $gallery; |
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} |
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return $this->getDefaultHeaderPics(); |
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} |
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public function getGalleryOwner() |
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{ |
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$owner = $this->owner; |
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//overwrite owner in Translatable or Subsite setups |
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$this->owner->extend('updateGalleryOwner', $owner); |
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return $owner; |
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} |
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public function getGalleryOfParent($owner) |
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{ |
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$Parent = $owner->Parent(); |
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return (is_object($Parent) && $Parent->ID != 0) |
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? $Parent->getHeaderPics() |
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: null; |
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} |
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/** |
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* Helper to get the default header pics from e.g. SiteConfig |
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* @return DataList|null|SS_Limitable |
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*/ |
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public function getDefaultHeaderPics() |
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{ |
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$default = null; |
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$this->owner->extend('updateDefaultHeaderPics', $default); |
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if (!$default && class_exists('SiteConfig')) { |
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$siteconfig = SiteConfig::current_site_config(); |
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if ($siteconfig->hasMethod('HeaderGallery')) { |
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$default = $this->LimitGalleryItems($siteconfig->HeaderGallery()); |
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} |
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} |
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return $default; |
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} |
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/** |
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* limits the number of displayed items |
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* |
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* @param DataList $galleryList |
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* @return DataList|SS_Limitable |
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*/ |
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protected function LimitGalleryItems(DataList $galleryList) |
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{ |
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$limit = Config::inst()->get('HeaderGalleryExtension', 'limit_header_images'); |
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return $limit ? $galleryList->limit($limit) : $galleryList; |
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} |
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} |
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wernerkrauss /
silverstripe-header-gallery
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You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.