/** * @param ModelInterface $viewModel * @param callable $addToViewFromModel */ protected function addChildrenToView(ModelInterface $viewModel, $addToViewFromModel) { if ($viewModel->hasChildren()) { foreach ($viewModel->getChildren() as $child) { $addToViewFromModel($child); $this->addChildrenToView($child, $addToViewFromModel); } } }
/** * @inheritDoc */ public function add($blockId, ModelInterface $block) { $block->setOption('block_id', $blockId); if ($block->hasChildren()) { foreach ($block->getChildren() as $childBlock) { $childBlockId = $this->determineAnonymousBlockId($childBlock); $childBlock->setCaptureTo($blockId . LayoutInterface::CAPTURE_TO_DELIMITER . $childBlock->captureTo()); $this->add($childBlockId, $childBlock); } if ($block instanceof ClearableModelInterface) { $block->clearChildren(); } } $this->blocks[$blockId] = $block; return $this; }
/** * Retrieve values from a model and recurse its children to build a data structure * * @param Model $model * @param bool $mergeWithVariables Whether or not to merge children with * the variables of the $model * @return array */ protected function recurseModel(Model $model, $mergeWithVariables = true) { $values = []; if ($mergeWithVariables) { $values = $model->getVariables(); } if ($values instanceof Traversable) { $values = ArrayUtils::iteratorToArray($values); } if (!$model->hasChildren()) { return $values; } $mergeChildren = $this->mergeUnnamedChildren(); foreach ($model as $child) { $captureTo = $child->captureTo(); if (!$captureTo && !$mergeChildren) { // We don't want to do anything with this child continue; } $childValues = $this->recurseModel($child); if ($captureTo) { // Capturing to a specific key // TODO please complete if append is true. must change old // value to array and append to array? $values[$captureTo] = $childValues; } elseif ($mergeChildren) { // Merging values with parent $values = array_replace_recursive($values, $childValues); } } return $values; }
/** * Recursively processes all ViewModels and returns output. * * @param string|ModelInterface $model A ViewModel instance. * @param null|array|\Traversable $values Values to use when rendering. If none * provided, uses those in the composed * variables container. * @return string Console output. */ public function render($model, $values = null) { if (!$model instanceof ModelInterface) { return ''; } $result = ''; $options = $model->getOptions(); foreach ($options as $setting => $value) { $method = 'set' . $setting; if (method_exists($this, $method)) { $this->{$method}($value); } unset($method, $setting, $value); } unset($options); $values = $model->getVariables(); if (isset($values['result'])) { // filter and append the result $result .= $this->getFilterChain()->filter($values['result']); } if ($model->hasChildren()) { // recursively render all children foreach ($model->getChildren() as $child) { $result .= $this->render($child, $values); } } return $result; }
/** * Recursively processes all ViewModels and returns output. * * @param string|ModelInterface $model A ViewModel instance. * @param null|array|\Traversable $values Values to use when rendering. If * none provided, uses those in the composed variables container. * @return string Console output. */ public function render($model, $values = null) { $result = ''; if (!$model instanceof ModelInterface) { // View model is required by this renderer return $result; } // If option keys match setters, pass values to those methods. foreach ($model->getOptions() as $setting => $value) { $method = 'set' . $setting; if (method_exists($this, $method)) { $this->{$method}($value); } } // Render children first if ($model->hasChildren()) { // recursively render all children foreach ($model->getChildren() as $child) { $result .= $this->render($child, $values); } } // Render the result, if present. $values = $model->getVariables(); if (isset($values['result']) && !isset($this->filterChain)) { // append the result verbatim $result .= $values['result']; } if (isset($values['result']) && isset($this->filterChain)) { // filter and append the result $result .= $this->getFilterChain()->filter($values['result']); } return $result; }