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<?php |
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/** |
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* This class does load the information from the parent page in the SiteTree. |
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* |
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* If you are keen to avoid extensions (to save resources) please see the end of this file for the method to copy into |
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* your Page.php |
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*/ |
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class InheritageBySiteTreeExtension extends Extension |
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{ |
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/** |
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* Does nothing else than just calling the parent, if exists, and returning $dbField or calling itself again. |
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* |
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* @throws Exception |
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* @param string $dbField |
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* @return null|string|DataList |
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*/ |
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public function getFromParentPage($dbField) |
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{ |
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if (!is_string($dbField)) { |
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throw new Exception('You can only give strings to getFromParentPage'); |
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} |
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$result = null; |
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// if this isn't the top level page... |
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$parentPage = $this->owner->Parent(); |
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if ($parentPage) { |
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// ... check if it has this field... |
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if ($parentPage->hasField($dbField)) { |
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$result = $parentPage->$dbField; |
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} else if (get_class($parentPage) != 'SiteTree') { |
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// ... if not call its parent. |
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$result = $parentPage->getFromParentPage($dbField); |
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} |
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} |
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return $result; |
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} |
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} |
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/** |
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* Does nothing else than just calling the parent, if exists, and returning $dbField or calling itself again. |
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* |
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* @see https://www.github.com/bringyourownideas/inheritage-by-sitetree |
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* |
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* @throws Exception |
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* @param string $dbField |
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* @return null|string|DataList |
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*/ |
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/* |
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public function getFromParentPage($dbField) |
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{ |
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if (!is_string($dbField)) { |
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throw new Exception('You can only give strings to getFromParentPage'); |
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} |
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$result = null; |
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// if this isn't the top level page... |
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$parentPage = $this->Parent(); |
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if ($parentPage) { |
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// ... check if it has this field... |
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if ($parentPage->hasField($dbField)) { |
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$result = $parentPage->$dbField; |
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} else { |
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// ... if not call its parent. |
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$result = $parentPage->getFromParentPage($dbField); |
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} |
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} |
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return $result; |
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} |
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*/ |
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bringyourownideas /
inheritage-by-sitetree
This check marks calls to methods that do not seem to exist on an object.
This is most likely the result of a method being renamed without all references to it being renamed likewise.