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<?php |
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|
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namespace FluentForm\App\Services\FormBuilder; |
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|
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use FluentForm\App\Helpers\Helper; |
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use FluentForm\Framework\Helpers\ArrayHelper; |
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|
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class FormBuilder |
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{ |
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/** |
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* The Applivcation instance |
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* @var Framework\Foundation\Application |
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*/ |
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protected $app = null; |
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|
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/** |
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* Conditional logic for elements |
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* @var array |
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*/ |
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public $conditions = array(); |
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|
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/** |
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* Validation rules for elements |
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* @var array |
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*/ |
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public $validationRules = array(); |
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|
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public $tabIndex = 1; |
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|
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public $fieldLists = []; |
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|
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/** |
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* Construct the form builder instance |
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* @param Framework\Foundation\Application $app |
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*/ |
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public function __construct($app) |
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{ |
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$this->app = $app; |
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} |
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|
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/** |
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* Render the form |
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* @param \StdClass $form [Form entry from database] |
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* @return mixed |
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*/ |
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public function build($form, $extraCssClass = '', $instanceCssClass = '') |
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{ |
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$hasStepWrapper = isset($form->fields['stepsWrapper']) && $form->fields['stepsWrapper']; |
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|
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$labelPlacement = $form->settings['layout']['labelPlacement']; |
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|
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$formClass = "frm-fluent-form fluent_form_{$form->id} ff-el-form-{$labelPlacement}"; |
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|
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if ($extraCssClass) $formClass .= " {$extraCssClass}"; |
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|
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if ($hasStepWrapper) { |
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$formClass .= ' ff-form-has-steps'; |
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} |
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|
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if ($extraFormClass = Helper::formExtraCssClass($form)) { |
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$formClass .= ' ' . $extraFormClass; |
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} |
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|
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$formBody = $this->buildFormBody($form); |
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|
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$formClass = apply_filters('fluentform_form_class', $formClass, $form); |
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|
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if ($form->has_payment) { |
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$formClass .= ' fluentform_has_payment'; |
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} |
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|
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$formAttributes = apply_filters('fluent_form_html_attributes', [ |
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'data-form_id' => $form->id, |
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'id' => 'fluentform_'.$form->id, |
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'class' => $formClass, |
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'data-form_instance' => $instanceCssClass |
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], $form); |
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|
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$formAtts = $this->buildAttributes($formAttributes); |
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|
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ob_start(); |
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|
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echo "<div class='fluentform fluentform_wrapper_".$form->id."'>"; |
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|
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do_action('fluentform_before_form_render', $form); |
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|
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echo "<form ".$formAtts.">"; |
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|
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do_action('fluentform_form_element_start', $form); |
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|
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echo "<input type='hidden' name='__fluent_form_embded_post_id' value='" . get_the_ID() . "' />"; |
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|
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wp_nonce_field( |
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'fluentform-submit-form', |
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'_fluentform_' . $form->id . '_fluentformnonce', |
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true, |
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true |
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); |
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|
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echo $formBody; |
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|
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echo "</form><div id='fluentform_" . $form->id . "_errors' class='ff-errors-in-stack "; |
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|
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echo $extraCssClass . "_errors " . $instanceCssClass . "_errors'></div></div>"; |
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|
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do_action('fluentform_after_form_render', $form); |
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|
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return ob_get_clean(); |
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} |
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|
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|
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public function buildFormBody($form) |
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{ |
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$hasStepWrapper = isset($form->fields['stepsWrapper']) && $form->fields['stepsWrapper']; |
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|
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ob_start(); |
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|
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$stepCounter = 1; |
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|
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foreach ($form->fields['fields'] as $item) { |
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|
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if ($hasStepWrapper && $item['element'] == 'form_step') { |
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$stepCounter++; |
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} |
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|
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$this->setUniqueIdentifier($item); |
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|
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$item = apply_filters('fluentform_before_render_item', $item, $form); |
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|
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do_action('fluentform_render_item_' . $item['element'], $item, $form); |
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|
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$this->extractValidationRules($item); |
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|
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$this->extractConditionalLogic($item); |
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} |
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|
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if ($hasStepWrapper) { |
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do_action( |
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'fluentform_render_item_step_end', $form->fields['stepsWrapper']['stepEnd'], $form |
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); |
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} |
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|
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do_action('fluentform_render_item_submit_button', $form->fields['submitButton'], $form); |
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|
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$content = ob_get_clean(); |
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|
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|
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if ($hasStepWrapper) { |
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$startElement = $form->fields['stepsWrapper']['stepStart']; |
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|
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$steps = ArrayHelper::get($startElement, 'settings.step_titles'); |
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|
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// check if $stepCounter == count() |
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if ($stepCounter > count($steps)) { |
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$fillCount = $stepCounter - count($steps); |
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foreach (range(1, $fillCount) as $item) { |
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$steps[] = ''; |
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} |
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$startElement['settings']['step_titles'] = $steps; |
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} |
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|
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$this->setUniqueIdentifier($startElement); |
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|
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ob_start(); |
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|
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do_action('fluentform_render_item_step_start', $startElement, $form); |
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|
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$stepStatrt = ob_get_clean(); |
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|
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$content = $stepStatrt.$content; |
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} |
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|
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return $content; |
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} |
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|
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/** |
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* Set unique name/data-name for an element |
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* @param array &$item |
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* @return void |
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*/ |
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protected function setUniqueIdentifier(&$item) |
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{ |
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if (isset($item['columns'])) { |
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foreach ($item['columns'] as &$column) { |
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foreach ($column['fields'] as &$field) { |
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$this->setUniqueIdentifier($field); |
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} |
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} |
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} else { |
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if (!isset($item['attributes']['name'])) { |
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$item['attributes']['name'] = $item['element'] . '-' . uniqid(rand(), true); |
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} |
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$item['attributes']['data-name'] = $item['attributes']['name']; |
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$this->fieldLists[] = $item['element']; |
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} |
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} |
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|
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/** |
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* Recursively extract validation rules from a given element |
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* @param array $item |
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* @return void |
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*/ |
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protected function extractValidationRules($item) |
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{ |
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if (isset($item['columns'])) { |
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foreach ($item['columns'] as $column) { |
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foreach ($column['fields'] as $field) { |
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$this->extractValidationRules($field); |
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} |
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} |
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} elseif (isset($item['fields'])) { |
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$rootName = $item['attributes']['name']; |
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foreach ($item['fields'] as $key => $innerItem) { |
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if ($item['element'] == 'address' || $item['element'] == 'input_name') { |
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$itemName = $innerItem['attributes']['name']; |
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$innerItem['attributes']['name'] = $rootName . '[' . $itemName . ']'; |
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} else { |
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if ($item['element'] == 'input_repeat' || $item['element'] == 'repeater_field') { |
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if(!empty($innerItem['settings']['validation_rules']['email'])) { |
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unset($innerItem['settings']['validation_rules']['email']); |
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} |
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$innerItem['attributes']['name'] = $rootName . '[' . $key . ']'; |
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} else { |
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$innerItem['attributes']['name'] = $rootName; |
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} |
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} |
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$this->extractValidationRule($innerItem); |
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} |
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} elseif ($item['element'] == 'tabular_grid') { |
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$gridName = $item['attributes']['name']; |
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$gridRows = $item['settings']['grid_rows']; |
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$gridType = $item['settings']['tabular_field_type']; |
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foreach ($gridRows as $rowKey => $rowValue) { |
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if ($gridType == 'radio') { |
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$item['attributes']['name'] = $gridName . '[' . $rowKey . ']'; |
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$this->extractValidationRule($item); |
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} else { |
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$item['attributes']['name'] = $gridName . '[' . $rowKey . ']'; |
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$this->extractValidationRule($item); |
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} |
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} |
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} elseif ($item['element'] == 'chained_select') { |
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$chainedSelectName = $item['attributes']['name']; |
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foreach ($item['settings']['data_source']['headers'] as $select) { |
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$item['attributes']['name'] = $chainedSelectName . '[' . $select . ']'; |
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$this->extractValidationRule($item); |
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} |
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} else { |
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$this->extractValidationRule($item); |
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} |
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} |
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|
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/** |
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* Extract validation rules from a given element |
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* @param array $item |
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* @return void |
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*/ |
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protected function extractValidationRule($item) |
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{ |
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if (isset($item['settings']['validation_rules'])) { |
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$rules = $item['settings']['validation_rules']; |
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foreach ($rules as $ruleName => $rule) { |
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if(isset($rule['message'])) { |
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$rules[$ruleName]['message'] = apply_filters('fluentform_validation_message_'.$ruleName, $rule['message'], $item); |
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$rules[$ruleName]['message'] = apply_filters('fluentform_validation_message_'.$item['element'].'_'.$ruleName, $rule['message'], $item); |
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} |
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} |
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$rules = apply_filters('fluentform_item_rules_' . $item['element'], $rules, $item); |
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$this->validationRules[ $item['attributes']['name'] ] = $rules; |
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} |
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} |
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|
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/** |
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* Extract conditipnal logic from a given element |
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* @param array $item |
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* @return void |
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*/ |
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protected function extractConditionalLogic($item) |
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{ |
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// If container like element, then recurse |
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if (isset($item['columns'])) { |
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foreach ($item['columns'] as $column) { |
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foreach ($column['fields'] as $field) { |
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$this->extractConditionalLogic($field); |
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} |
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} |
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} elseif (isset($item['settings']['conditional_logics'])) { |
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$conditionals = $item['settings']['conditional_logics']; |
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if (isset($conditionals['status'])) { |
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if ($conditionals['status'] && $conditionals['conditions']) { |
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$this->conditions[$item['attributes']['data-name']] = $item['settings']['conditional_logics']; |
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} |
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} |
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} |
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} |
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|
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/** |
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* Build attributes for any html element |
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* @param array $attributes |
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* @return string [Compiled key='value' attributes] |
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*/ |
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protected function buildAttributes($attributes, $form = null) |
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{ |
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$atts = ''; |
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foreach ($attributes as $key => $value) { |
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if ($value || $value === 0 || $value === '0') { |
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$value = htmlspecialchars($value); |
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$atts .= $key.'="'.$value.'" '; |
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} |
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} |
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return $atts; |
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} |
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} |
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|
