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82 lines
2.1 KiB
PHP
82 lines
2.1 KiB
PHP
<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\widgets;
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use yii\base\InvalidConfigException;
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use yii\base\Widget;
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/**
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* ContentDecorator records all output between [[begin()]] and [[end()]] calls, passes it to the given view file
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* as `$content` and then echoes rendering result.
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*
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* ```php
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* <?php ContentDecorator::begin([
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* 'viewFile' => '@app/views/layouts/base.php',
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* 'params' => [],
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* 'view' => $this,
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* ]) ?>
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*
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* some content here
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*
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* <?php ContentDecorator::end() ?>
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* ```
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*
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* There are [[\yii\base\View::beginContent()]] and [[\yii\base\View::endContent()]] wrapper methods in the
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* [[\yii\base\View]] component to make syntax more friendly. In the view these could be used as follows:
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*
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* ```php
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* <?php $this->beginContent('@app/views/layouts/base.php') ?>
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*
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* some content here
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*
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* <?php $this->endContent() ?>
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* ```
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class ContentDecorator extends Widget
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{
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/**
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* @var string the view file that will be used to decorate the content enclosed by this widget.
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* This can be specified as either the view file path or [path alias](guide:concept-aliases).
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*/
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public $viewFile;
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/**
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* @var array the parameters (name => value) to be extracted and made available in the decorative view.
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*/
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public $params = [];
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/**
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* Starts recording a clip.
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*/
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public function init()
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{
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parent::init();
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if ($this->viewFile === null) {
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throw new InvalidConfigException('ContentDecorator::viewFile must be set.');
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}
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ob_start();
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ob_implicit_flush(false);
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}
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/**
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* Ends recording a clip.
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* This method stops output buffering and saves the rendering result as a named clip in the controller.
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*/
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public function run()
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{
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$params = $this->params;
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$params['content'] = ob_get_clean();
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// render under the existing context
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echo $this->view->renderFile($this->viewFile, $params);
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}
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}
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