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<?php |
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/** |
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* extends Blog |
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* |
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*/ |
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class BlogSharedCategoriesExtension extends DataExtension |
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{ |
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public function updateCMSFields(FieldList $fields) |
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{ |
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$fields->removeByName("Categories"); |
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$fields->removeByName("Tags"); |
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$fields->addFieldsToTab( |
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"Root.Categorisation", |
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array( |
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GridField::create( |
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"Categories", |
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"Categories", |
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$this->owner->Categories(), |
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GridFieldConfig_RecordEditor ::create() |
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) |
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) |
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); |
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$fields->addFieldsToTab( |
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"Root.Tags", |
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array( |
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GridField::create( |
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"Tags", |
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"Tags", |
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$this->owner->Tags(), |
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GridFieldConfig_RecordEditor ::create() |
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) |
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) |
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); |
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} |
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/** |
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* |
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* @return DataList |
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*/ |
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public function UsedCategories() |
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{ |
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$categories = BlogCategory::get() |
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->filter(array('BlogID' => $this->owner->ID)) |
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->sort(array('Title' => 'ASC')); |
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foreach ($categories as $category) { |
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if ($category->BlogPosts()->count() == 0) { |
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$categories = $categories->exclude(array('BlogCategory.ID' => $category->ID)); |
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} |
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} |
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return $categories; |
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} |
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/** |
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* overrules has_many method |
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* to return ALL categories |
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* |
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* @return DataList |
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*/ |
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public function UsedTags() |
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{ |
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$tags = BlogTag::get(); |
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foreach ($tags as $tag) { |
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if ($tag->BlogPosts()->count() == 0) { |
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$tags = $tags->exclude(array('BlogTag.ID' => $tag->ID)); |
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} |
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} |
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return $tags; |
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} |
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/** |
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* overrules has_many method |
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* to return ALL categories |
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* |
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* @return DataList |
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*/ |
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public function Tags() |
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{ |
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return BlogTag::get(); |
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} |
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/** |
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* overrules has_many method |
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* to return ALL categories |
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* |
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* @return DataList |
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*/ |
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public function Categories() |
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{ |
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return BlogCategory::get(); |
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} |
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/** |
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* overrules has_many method |
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* to return ALL categories |
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* |
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* @return DataList |
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*/ |
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public function getTags() |
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{ |
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return BlogTag::get(); |
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} |
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/** |
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* overrules has_many method |
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* to return ALL categories |
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* |
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* @return DataList |
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*/ |
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public function getCategories() |
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{ |
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return BlogCategory::get(); |
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} |
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} |
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sunnysideup /
silverstripe-blog_shared_categorisation
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.