129 lines
2.7 KiB
PHP
129 lines
2.7 KiB
PHP
<?php
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namespace Illuminate\View\Concerns;
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use Illuminate\Support\HtmlString;
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trait ManagesComponents
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{
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/**
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* The components being rendered.
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*
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* @var array
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*/
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protected $componentStack = [];
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/**
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* The original data passed to the component.
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*
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* @var array
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*/
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protected $componentData = [];
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/**
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* The slot contents for the component.
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*
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* @var array
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*/
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protected $slots = [];
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/**
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* The names of the slots being rendered.
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*
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* @var array
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*/
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protected $slotStack = [];
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/**
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* Start a component rendering process.
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*
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* @param string $name
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* @param array $data
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* @return void
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*/
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public function startComponent($name, array $data = [])
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{
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if (ob_start()) {
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$this->componentStack[] = $name;
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$this->componentData[$this->currentComponent()] = $data;
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$this->slots[$this->currentComponent()] = [];
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}
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}
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/**
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* Render the current component.
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*
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* @return string
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*/
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public function renderComponent()
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{
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$name = array_pop($this->componentStack);
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return $this->make($name, $this->componentData($name))->render();
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}
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/**
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* Get the data for the given component.
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*
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* @param string $name
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* @return array
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*/
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protected function componentData($name)
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{
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return array_merge(
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$this->componentData[count($this->componentStack)],
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['slot' => new HtmlString(trim(ob_get_clean()))],
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$this->slots[count($this->componentStack)]
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);
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}
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/**
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* Start the slot rendering process.
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*
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* @param string $name
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* @param string|null $content
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* @return void
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*/
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public function slot($name, $content = null)
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{
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if (count(func_get_args()) == 2) {
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$this->slots[$this->currentComponent()][$name] = $content;
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} else {
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if (ob_start()) {
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$this->slots[$this->currentComponent()][$name] = '';
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$this->slotStack[$this->currentComponent()][] = $name;
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}
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}
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}
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/**
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* Save the slot content for rendering.
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*
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* @return void
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*/
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public function endSlot()
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{
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last($this->componentStack);
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$currentSlot = array_pop(
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$this->slotStack[$this->currentComponent()]
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);
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$this->slots[$this->currentComponent()]
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[$currentSlot] = new HtmlString(trim(ob_get_clean()));
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}
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/**
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* Get the index for the current component.
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*
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* @return int
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*/
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protected function currentComponent()
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{
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return count($this->componentStack) - 1;
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}
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}
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