48 lines
1.0 KiB
PHP
48 lines
1.0 KiB
PHP
<?php
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/**
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* A list of formfields which allows for iterative processing of nested composite fields
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*/
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class UserFormsFieldList extends FieldList implements UserFormsFieldContainer
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{
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public function processNext(EditableFormField $field)
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{
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$formField = $field->getFormField();
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if (!$formField) {
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return $this;
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}
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$this->push($formField);
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if ($formField instanceof UserFormsFieldContainer) {
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return $formField->setParent($this);
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}
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return $this;
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}
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public function getParent()
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{
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// Field list does not have a parent
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return null;
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}
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public function setParent(UserFormsFieldContainer $parent)
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{
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return $this;
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}
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/**
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* Remove all empty steps
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*/
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public function clearEmptySteps()
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{
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foreach ($this as $field) {
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if ($field instanceof UserFormsStepField && count($field->getChildren()) === 0) {
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$this->remove($field);
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}
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}
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}
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}
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