Qiang Xue
12 years ago
5 changed files with 388 additions and 267 deletions
@ -1,235 +0,0 @@
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<?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\base; |
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use Yii; |
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use yii\helpers\Html; |
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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 ViewContent extends Component |
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{ |
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const POS_HEAD = 1; |
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const POS_BEGIN = 2; |
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const POS_END = 3; |
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const TOKEN_HEAD = '<![CDATA[YII-BLOCK-HEAD]]>'; |
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const TOKEN_BODY_BEGIN = '<![CDATA[YII-BLOCK-BODY-BEGIN]]>'; |
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const TOKEN_BODY_END = '<![CDATA[YII-BLOCK-BODY-END]]>'; |
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public $assetBundles; |
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public $title; |
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public $metaTags; |
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public $linkTags; |
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public $css; |
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public $cssFiles; |
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public $js; |
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public $jsFiles; |
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public $jsInHead; |
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public $jsFilesInHead; |
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public $jsInBody; |
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public $jsFilesInBody; |
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public function reset() |
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{ |
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$this->assetBundles = null; |
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$this->title = null; |
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$this->metaTags = null; |
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$this->linkTags = null; |
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$this->css = null; |
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$this->cssFiles = null; |
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$this->js = null; |
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$this->jsFiles = null; |
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$this->jsInHead = null; |
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$this->jsFilesInHead = null; |
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$this->jsInBody = null; |
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$this->jsFilesInBody = null; |
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} |
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private $_assetManager; |
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/** |
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* @return \yii\web\AssetManager |
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*/ |
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public function getAssetManager() |
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{ |
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return $this->_assetManager ?: Yii::$app->getAssets(); |
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} |
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public function setAssetManager($value) |
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{ |
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$this->_assetManager = $value; |
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} |
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public function begin() |
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{ |
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ob_start(); |
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ob_implicit_flush(false); |
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} |
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public function end() |
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{ |
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$content = ob_get_clean(); |
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echo $this->populate($content); |
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} |
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public function beginBody() |
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{ |
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echo self::TOKEN_BODY_BEGIN; |
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} |
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public function endBody() |
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{ |
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echo self::TOKEN_BODY_END; |
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} |
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public function head() |
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{ |
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echo self::TOKEN_HEAD; |
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} |
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public function registerAssetBundle($name) |
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{ |
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if (!isset($this->assetBundles[$name])) { |
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$am = $this->getAssetManager(); |
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$bundle = $am->getBundle($name); |
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if ($bundle !== null) { |
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$this->assetBundles[$name] = false; |
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$bundle->registerAssets($this, $am); |
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$this->assetBundles[$name] = true; |
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} else { |
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throw new InvalidConfigException("Unknown asset bundle: $name"); |
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} |
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} elseif ($this->assetBundles[$name] === false) { |
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throw new InvalidConfigException("A cyclic dependency is detected for bundle '$name'."); |
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} |
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} |
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public function registerMetaTag($options, $key = null) |
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{ |
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if ($key === null) { |
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$this->metaTags[] = Html::tag('meta', '', $options); |
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} else { |
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$this->metaTags[$key] = Html::tag('meta', '', $options); |
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} |
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} |
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public function registerLinkTag($options, $key = null) |
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{ |
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if ($key === null) { |
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$this->linkTags[] = Html::tag('link', '', $options); |
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} else { |
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$this->linkTags[$key] = Html::tag('link', '', $options); |
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} |
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} |
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public function registerCss($css, $options = array(), $key = null) |
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{ |
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$key = $key ?: $css; |
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$this->css[$key] = Html::style($css, $options); |
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} |
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public function registerCssFile($url, $options = array(), $key = null) |
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{ |
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$key = $key ?: $url; |
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$this->cssFiles[$key] = Html::cssFile($url, $options); |
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} |
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public function registerJs($js, $options = array(), $key = null) |
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{ |
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$position = isset($options['position']) ? $options['position'] : self::POS_END; |
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unset($options['position']); |
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$key = $key ?: $js; |
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$html = Html::script($js, $options); |
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if ($position == self::POS_END) { |
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$this->js[$key] = $html; |
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} elseif ($position == self::POS_HEAD) { |
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$this->jsInHead[$key] = $html; |
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} elseif ($position == self::POS_BEGIN) { |
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$this->jsInBody[$key] = $html; |
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} else { |
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throw new InvalidParamException("Unknown position: $position"); |
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} |
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} |
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public function registerJsFile($url, $options = array(), $key = null) |
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{ |
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$position = isset($options['position']) ? $options['position'] : self::POS_END; |
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unset($options['position']); |
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$key = $key ?: $url; |
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$html = Html::jsFile($url, $options); |
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if ($position == self::POS_END) { |
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$this->jsFiles[$key] = $html; |
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} elseif ($position == self::POS_HEAD) { |
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$this->jsFilesInHead[$key] = $html; |
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} elseif ($position == self::POS_BEGIN) { |
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$this->jsFilesInBody[$key] = $html; |
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} else { |
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throw new InvalidParamException("Unknown position: $position"); |
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} |
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} |
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protected function populate($content) |
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{ |
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return strtr($content, array( |
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self::TOKEN_HEAD => $this->getHeadHtml(), |
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self::TOKEN_BODY_BEGIN => $this->getBodyBeginHtml(), |
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self::TOKEN_BODY_END => $this->getBodyEndHtml(), |
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)); |
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} |
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protected function getHeadHtml() |
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{ |
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$lines = array(); |
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if (!empty($this->metaTags)) { |
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$lines[] = implode("\n", $this->cssFiles); |
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} |
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if (!empty($this->linkTags)) { |
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$lines[] = implode("\n", $this->cssFiles); |
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} |
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if (!empty($this->cssFiles)) { |
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$lines[] = implode("\n", $this->cssFiles); |
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} |
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if (!empty($this->css)) { |
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$lines[] = implode("\n", $this->css); |
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} |
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if (!empty($this->jsFilesInHead)) { |
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$lines[] = implode("\n", $this->jsFilesInHead); |
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} |
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if (!empty($this->jsInHead)) { |
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$lines[] = implode("\n", $this->jsInHead); |
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} |
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return implode("\n", $lines); |
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} |
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protected function getBodyBeginHtml() |
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{ |
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$lines = array(); |
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if (!empty($this->jsFilesInBody)) { |
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$lines[] = implode("\n", $this->jsFilesInBody); |
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} |
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if (!empty($this->jsInHead)) { |
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$lines[] = implode("\n", $this->jsInBody); |
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} |
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return implode("\n", $lines); |
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} |
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protected function getBodyEndHtml() |
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{ |
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$lines = array(); |
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if (!empty($this->jsFiles)) { |
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$lines[] = implode("\n", $this->jsFiles); |
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} |
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if (!empty($this->js)) { |
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$lines[] = implode("\n", $this->js); |
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} |
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return implode("\n", $lines); |
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} |
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} |
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