52 lines
1.1 KiB
PHP
52 lines
1.1 KiB
PHP
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<?php namespace ProcessWire;
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/**
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* A WireArray of Inputfield instances, as used by InputfieldWrapper.
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*
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* The default numeric indexing of a WireArray is not overridden.
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*
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* ProcessWire 3.x, Copyright 2016 by Ryan Cramer
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* https://processwire.com
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*
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*/
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class InputfieldsArray extends WireArray {
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/**
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* Per WireArray interface, only Inputfield instances are accepted.
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*
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* @param Wire $item
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* @return bool
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*
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*/
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public function isValidItem($item) {
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return $item instanceof Inputfield;
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}
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/**
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* Extends the find capability of WireArray to descend into the Inputfield children
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*
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* @param string $selector
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* @return WireArray|InputfieldsArray
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*
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*/
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public function find($selector) {
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$a = parent::find($selector);
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foreach($this as $item) {
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if(!$item instanceof InputfieldWrapper) continue;
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$children = $item->children();
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if(count($children)) $a->import($children->find($selector));
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}
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return $a;
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}
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public function makeBlankItem() {
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return null; // Inputfield is abstract, so there is nothing to return here
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}
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public function usesNumericKeys() {
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return true;
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}
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}
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