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<?php |
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namespace kalanis\kw_forms\Controls; |
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/** |
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* Class Select |
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* @package kalanis\kw_forms\Controls |
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* Form element for selection - dropdown menu |
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*/ |
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class Select extends AControl |
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{ |
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protected string $templateInput = '<select %2$s>%3$s</select>'; |
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/** |
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* Create element of form entry Select |
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* @param string $alias |
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* @param string|int|float|null $value |
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* @param string $label |
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* @param iterable<string, string|int|float|SelectOptgroup|SelectOption|iterable<string, string|SelectOption>> $children |
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* @return $this |
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*/ |
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public function set(string $alias, $value = null, string $label = '', iterable $children = []): self |
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{ |
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// transfer child values arrays to option group or single entries into options |
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foreach ($children as $childAlias => $child) { |
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if (is_iterable($child)) { |
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$this->addGroup(strval($childAlias), $child, strval($childAlias)); |
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} elseif ($child instanceof SelectOptgroup) { |
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$this->addChild($child, $childAlias); |
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} elseif ($child instanceof SelectOption) { |
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$this->addChild($child, $childAlias); |
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} else { |
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$this->addOption(strval($childAlias), $childAlias, strval($child)); |
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} |
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} |
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$this->setEntry($alias, '', $label); |
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$this->setValue($value); |
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$this->setAttribute('id', $this->getKey()); |
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return $this; |
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} |
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/** |
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* Add group into select |
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* @param string $alias |
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* @param iterable<string, string|SelectOption> $values |
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* @param string $label |
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* @return SelectOptgroup |
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*/ |
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public function addGroup(string $alias, iterable $values, string $label = '') |
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{ |
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$options = new SelectOptgroup(); |
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$options->set($alias, $label, $values); |
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$this->addChild($options, $alias); |
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return $options; |
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} |
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/** |
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* Add simple option into select |
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* @param string $alias |
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* @param string $value |
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* @param string $label |
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* @return SelectOption |
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*/ |
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public function addOption(string $alias, $value, string $label = '') |
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{ |
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$option = new SelectOption(); |
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$option->setEntry($alias, $value, $label); |
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$this->addChild($option, $alias); |
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return $option; |
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} |
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public function getValue() |
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{ |
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foreach ($this->children as $child) { |
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if ($child instanceof AControl) { |
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$returnValues = $child->getValue(); |
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if (!empty($returnValues)) { |
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return $returnValues; |
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} |
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} |
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} |
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return ''; |
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} |
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public function setValue($value): void |
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{ |
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foreach ($this->children as $child) { |
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if ($child instanceof AControl) { |
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$child->setValue($value); |
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} |
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} |
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} |
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} |
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alex-kalanis /
kw_forms
