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<?php |
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namespace Maknz\Slack\BlockElement; |
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use InvalidArgumentException; |
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use Maknz\Slack\CompositionObject\Option; |
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class RadioButtons extends Options |
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{ |
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/** |
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* Block type. |
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* |
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* @var string |
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*/ |
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protected $type = 'radio_buttons'; |
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/** |
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* Whether one of the radio buttons is initially selected. |
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* |
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* @var bool |
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*/ |
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protected $hasInitialOption = false; |
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/** |
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* Internal attribute to property map. |
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* |
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* @var array |
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*/ |
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protected static $availableAttributes = [ |
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'action_id' => 'action_id', |
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'options' => 'options', |
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'confirm' => 'confirm', |
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]; |
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/** |
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* Get the intially selected option. |
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* |
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* @return \Maknz\Slack\CompositionObject\Option|null |
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*/ |
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public function getInitialOption() |
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{ |
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foreach ($this->getOptions() as $option) { |
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if ($option->isInitiallySelected()) { |
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return $option; |
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} |
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} |
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return null; |
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} |
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/** |
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* Add an option to the radio buttons. |
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* |
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* @param mixed $option |
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* |
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* @return $this |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function addOption($option) |
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{ |
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if ((is_array($option) && ! empty($option['selected'])) |
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|| ($option instanceof Option && ! $option->isInitiallySelected()) |
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) { |
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if ($this->hasInitialOption) { |
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throw new InvalidArgumentException('Only one option can be initially selected'); |
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} |
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$this->hasInitialOption = true; |
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} |
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return parent::addOption($option); |
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} |
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/** |
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* Clear options available. |
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* |
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* @return $this |
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*/ |
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public function clearOptions() |
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{ |
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$this->hasInitialOption = false; |
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return parent::clearOptions(); |
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} |
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/** |
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* Convert the block to its array representation. |
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* |
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* @return array |
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*/ |
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1 |
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public function toArray() |
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{ |
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$data = [ |
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'type' => $this->getType(), |
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'action_id' => $this->getActionId(), |
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'options' => $this->getOptionsAsArrays(), |
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]; |
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if ($this->hasInitialOption) { |
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$initialOption = $this->getInitialOption(); |
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1 |
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if ($initialOption !== null) { |
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$data['initial_option'] = $initialOption->toArray(); |
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} |
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} |
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$confirm = $this->getConfirm(); |
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1 |
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if ($confirm !== null) { |
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$data['confirm'] = $confirm->toArray(); |
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} |
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return $data; |
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} |
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} |
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php-slack /
slack
