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<?php defined('ABSPATH') or die; |
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|
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/** |
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* @package pixcustomify |
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* @category core |
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* @author Pixelgrade Team |
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* @copyright (c) 2013, Pixelgrade |
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*/ |
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class PixCustomifyFormFieldImpl extends PixCustomifyHTMLElementImpl implements PixCustomifyFormField { |
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|
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/** |
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* @param array config |
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*/ |
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static function instance($config = null) { |
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$i = new self; |
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$i->configure($config); |
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return $i; |
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} |
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|
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// Error Handling Helpers |
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// ------------------------------------------------------------------------ |
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|
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/** |
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* @return boolean true if field has errors |
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*/ |
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function has_errors() { |
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$form = $this->getmeta('form', null); |
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$errors = $form->errors_for($this->getmeta('name')); |
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return ! empty($errors); |
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} |
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|
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/** |
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* @return string first error message |
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*/ |
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function one_error() { |
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$form = $this->getmeta('form', null); |
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$errors = $form->errors_for($this->getmeta('name')); |
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return array_shift($errors); |
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} |
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|
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// Rendering |
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// ------------------------------------------------------------------------ |
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|
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/** |
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* Render field emulates wordpress template behaviour. First searches for |
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* name, then searches field type and so on. |
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* |
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* @return string |
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*/ |
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function render() { |
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$form = $this->getmeta('form'); |
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|
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// we reverse the order so that last added is first checked |
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$template_paths = array_reverse($form->getmeta('template-paths', array())); |
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|
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if (empty($template_paths)) { |
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throw new Exception('Missing template paths.'); |
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} |
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|
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// the following are the file patterns we look for |
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$patterns = array |
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( |
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'fields/'.$this->getmeta('name'), |
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'fields/'.$this->getmeta('type'), |
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$this->getmeta('name'), |
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$this->getmeta('type') |
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); |
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|
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foreach ($patterns as $pattern) { |
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foreach ($template_paths as $path) { |
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$dirpath = rtrim($path, '\\/').DIRECTORY_SEPARATOR; |
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if (file_exists($dirpath.$pattern.EXT)) { |
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return $this->render_template_file($dirpath.$pattern.EXT); |
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} |
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} |
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} |
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|
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throw new Exception('Failed to match any pattern for field ['.$this->getmeta('name').'] of type '.$this->getmeta('type', '[unknown]')); |
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} |
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|
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/** |
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* @param string template path |
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* @return string rendered field |
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*/ |
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protected function render_template_file($_template_filepath) { |
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// variables which we wish to expose to template |
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$field = $this; # $this will also work |
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$form = $this->getmeta('form'); |
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$name = $this->getmeta('name', null); |
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$label = $this->getmeta('label', null); |
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$default = $this->getmeta('default', null); |
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$desc = $this->getmeta('desc', ''); |
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$rendering = $this->getmeta('rendering', 'standard'); |
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|
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// cleaned name (names may be "something[]") |
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$idname = preg_replace('/[^a-zA-Z0-9_-]/', '', $name); |
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|
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ob_start(); |
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include $_template_filepath; |
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return ob_get_clean(); |
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} |
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|
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/** |
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* @return string |
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*/ |
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function __toString() { |
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return $this->render(); |
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} |
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|
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} # class |
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|
