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<?php |
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namespace hemio\html\Trait_; |
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/** |
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* |
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*/ |
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trait AppendageMaintainance |
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{ |
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/** |
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* @var array |
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*/ |
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protected $arrInheritableAppendages = []; |
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/** |
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* List of appendages that are explicitly defined on this object. They |
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* are not overwritten from appendages from object that are higher |
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* in the hierarchy. |
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* |
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* @var array |
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*/ |
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protected $arrIndividualAppendages = []; |
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/** |
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* |
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* @param string $key |
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* @param mixed $appendage |
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*/ |
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public function addInheritableAppendage($key, $appendage) |
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{ |
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$this->arrIndividualAppendages[$key] = true; |
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$this->storeInheritableAppendage($key, $appendage); |
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} |
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/** |
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* |
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* @param string $key |
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* @param mixed $appendage |
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*/ |
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public function leaveInheritableAppendage($key, $appendage) |
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{ |
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if (!$this->appendageIsIndividual($key)) { |
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$this->storeInheritableAppendage($key, $appendage); |
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} |
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} |
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/** |
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* |
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* @param string $key |
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* @param mixed $appendage |
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*/ |
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private function storeInheritableAppendage($key, $appendage) |
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{ |
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$this->arrInheritableAppendages[$key] = $appendage; |
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if ($this instanceof \hemio\html\Interface_\MaintainsChilds) { |
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foreach ($this as $child) { |
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if ($child instanceof \hemio\html\Interface_\MaintainsAppendages) { |
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$child->leaveInheritableAppendage($key, $appendage); |
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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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* @param string $key |
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* @return null|mixed |
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*/ |
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public function getInheritableAppendage($key) |
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{ |
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if (array_key_exists($key, $this->arrInheritableAppendages)) |
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return $this->arrInheritableAppendages[$key]; |
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else |
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return null; |
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} |
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/** |
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* |
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* @param string $key |
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* @return boolean |
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*/ |
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public function existsInheritableAppendage($key) |
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{ |
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return $this->getInheritableAppendage($key) !== null; |
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} |
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/** |
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* |
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* @param string $key |
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* @return boolean |
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*/ |
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public function appendageIsIndividual($key) |
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{ |
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return array_key_exists($key, $this->arrIndividualAppendages); |
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} |
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/** |
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* @return array All appendages with keys |
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*/ |
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public function getInheritableAppendages() |
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{ |
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return $this->arrInheritableAppendages; |
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} |
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} |
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qua-bla /
html
