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<?php |
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namespace Boekkooi\Bundle\JqueryValidationBundle\Twig; |
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use Boekkooi\Bundle\JqueryValidationBundle\Form\FormRuleContext; |
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use Boekkooi\Bundle\JqueryValidationBundle\Form\Util\FormHelper; |
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use Symfony\Component\Form\FormView; |
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use Twig_Extension; |
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use Twig_SimpleFunction; |
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/** |
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* @author Warnar Boekkooi <[email protected]> |
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*/ |
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class JqueryValidationExtension extends Twig_Extension |
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{ |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getFunctions() |
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{ |
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return array( |
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new Twig_SimpleFunction( |
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'form_jquery_validation', |
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array($this, 'renderJavascript'), |
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array('needs_environment' => true, 'pre_escape' => array('html', 'js'), 'is_safe' => array('html', 'js')) |
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), |
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); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getName() |
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{ |
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return 'boekkooi_jquery_validation'; |
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} |
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public function renderJavascript(\Twig_Environment $twig, FormView $view) |
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{ |
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if (!isset($view->vars['rule_context'])) { |
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return ''; |
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} |
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/** @var \Boekkooi\Bundle\JqueryValidationBundle\Form\FormRuleContext $rootContext */ |
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$template = 'BoekkooiJqueryValidationBundle:Form:form_validate.js.twig'; |
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$rootContext = $context = $view->vars['rule_context']; |
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$rootView = $view; |
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// The given view is not the root form |
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if ($view->parent !== null) { |
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$template = 'BoekkooiJqueryValidationBundle:Form:dynamic_validate.js.twig'; |
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$rootView = FormHelper::getViewRoot($view); |
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$rootContext = $rootView->vars['rule_context']; |
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} |
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// Create template variables |
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$templateVars = array( |
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'form' => $rootView, |
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'fields' => $this->fieldRulesViewData($context), |
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'validation_groups' => $this->validationGroupsViewData($rootContext), |
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); |
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$templateVars['enforce_validation_groups'] = count($templateVars['validation_groups']) > 1; |
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$templateVars['enabled_validation_groups'] = count($rootContext->getButtons()) === 0 ? $templateVars['validation_groups'] : array(); |
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// Only add buttons from the root form |
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if ($view->parent === null) { |
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$templateVars['buttons'] = $this->buttonsViewData($context); |
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} |
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$js = $twig->render($template, $templateVars); |
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return preg_replace('/\s+/', ' ', $js); |
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} |
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protected function validationGroupsViewData(FormRuleContext $context) |
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{ |
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$it = new \RecursiveIteratorIterator( |
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new \RecursiveArrayIterator($context->getGroups()) |
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); |
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return array_unique(array_filter(iterator_to_array($it, false))); |
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} |
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/** |
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* Transform the buttons in the given form into a array that can easily be used by twig. |
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* |
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* @param FormRuleContext $context |
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* @return array |
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*/ |
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protected function buttonsViewData(FormRuleContext $context) |
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{ |
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$buttonNames = $context->getButtons(); |
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$buttons = array(); |
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foreach ($buttonNames as $name) { |
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$groups = $context->getGroup($name); |
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$buttons[] = array( |
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'name' => $name, |
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'cancel' => count($groups) === 0, |
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'validation_groups' => $groups, |
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); |
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} |
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return $buttons; |
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} |
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protected function fieldRulesViewData(FormRuleContext $context) |
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{ |
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$fields = array(); |
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foreach ($context->all() as $name => $rules) { |
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$fields[] = array( |
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'name' => $name, |
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'rules' => $rules, |
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); |
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} |
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return $fields; |
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} |
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} |
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boekkooi /
JqueryValidationBundle
