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<?php |
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/** |
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* Combines form inputs into a key-value pair |
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*/ |
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class DMSJsonField extends CompositeField |
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{ |
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public function __construct($name, $children = null) |
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{ |
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$this->setName($name); |
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if ($children instanceof FieldList || is_array($children)) { |
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foreach ($children as $child) { |
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$this->setChildName($child); |
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} |
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} else { |
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$children = is_array(func_get_args()) ? func_get_args() : array(); |
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if (!empty($children)) { |
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array_shift($children); |
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} |
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foreach ($children as $child) { |
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$this->setChildName($child); |
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} |
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} |
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parent::__construct($children); |
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} |
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/** |
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* Sets the name of the child object |
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* |
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* @param FormField $child |
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*/ |
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private function setChildName($child) |
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{ |
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$child->setName("{$this->getName()}[{$child->getName()}]"); |
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} |
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public function hasData() |
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{ |
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return true; |
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} |
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/** |
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* Override parent's behaviour as it's no longer required |
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* |
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* @param array $list |
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* @param bool $saveableOnly |
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*/ |
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public function collateDataFields(&$list, $saveableOnly = false) |
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{ |
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} |
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/** |
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* Recursively removed empty key-value pairs from $haystack |
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* |
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* @param $haystack |
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* |
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* @return mixed |
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*/ |
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public function arrayFilterEmptyRecursive($haystack) |
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{ |
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foreach ($haystack as $key => $value) { |
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if (is_array($value)) { |
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$haystack[$key] = $this->arrayFilterEmptyRecursive($haystack[$key]); |
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} |
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if (empty($haystack[$key])) { |
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unset($haystack[$key]); |
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} |
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} |
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return $haystack; |
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} |
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/** |
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* Overrides parent behaviour to remove empty elements |
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* |
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* @return mixed|null|string |
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*/ |
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public function dataValue() |
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{ |
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$result = null; |
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if (is_array($this->value)) { |
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$this->value = $this->arrayFilterEmptyRecursive($this->value); |
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$result = (!empty($this->value)) ? Convert::array2json($this->value) : $result; |
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} else { |
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$result = parent::dataValue(); |
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} |
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return $result; |
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} |
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/** |
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* Sets the value |
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* @param mixed $value |
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* |
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* @return $this |
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*/ |
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public function setValue($value) |
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{ |
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$this->value = $value; |
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if (is_string($value) && !empty($value)) { |
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$value = Convert::json2array($value); |
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} elseif (!is_array($value)) { |
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$value = array($value); |
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} |
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$pattern = "/^{$this->getName()}\[(.*)\]$/"; |
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foreach ($this->children as $c) { |
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$title = $c->getName(); |
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preg_match($pattern, $title, $matches); |
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if (!empty($matches[1]) && isset($value[$matches[1]])) { |
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$c->setValue($value[$matches[1]]); |
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} |
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} |
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return $this; |
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} |
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} |
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silverstripe /
silverstripe-dms
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.