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123 lines
3.4 KiB
123 lines
3.4 KiB
<?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\bootstrap; |
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use Yii; |
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use yii\helpers\Html; |
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/** |
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* NavBar renders a navbar HTML component. |
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* |
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* Any content enclosed between the [[begin()]] and [[end()]] calls of NavBar |
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* is treated as the content of the navbar. You may use widgets such as [[Nav]] |
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* or [[\yii\widgets\Menu]] to build up such content. For example, |
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* |
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* ```php |
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* use yii\bootstrap\NavBar; |
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* use yii\widgets\Menu; |
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* |
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* NavBar::begin(['brandLabel' => 'NavBar Test']); |
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* echo Nav::widget([ |
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* 'items' => [ |
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* ['label' => 'Home', 'url' => ['/site/index']], |
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* ['label' => 'About', 'url' => ['/site/about']], |
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* ], |
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* ]); |
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* NavBar::end(); |
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* ``` |
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* |
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* @see http://getbootstrap.com/components/#navbar |
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* @author Antonio Ramirez <amigo.cobos@gmail.com> |
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* @since 2.0 |
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*/ |
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class NavBar extends Widget |
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{ |
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/** |
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* @var string the text of the brand. Note that this is not HTML-encoded. |
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* @see http://getbootstrap.com/components/#navbar |
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*/ |
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public $brandLabel; |
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/** |
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* @param array|string $url the URL for the brand's hyperlink tag. This parameter will be processed by [[Html::url()]] |
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* and will be used for the "href" attribute of the brand link. If not set, [[\yii\web\Application::homeUrl]] will be used. |
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*/ |
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public $brandUrl; |
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/** |
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* @var array the HTML attributes of the brand link. |
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*/ |
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public $brandOptions = []; |
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/** |
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* @var string text to show for screen readers for the button to toggle the navbar. |
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*/ |
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public $screenReaderToggleText = 'Toggle navigation'; |
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/** |
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* @var bool whether the navbar content should be included in a `container` div which adds left and right padding. |
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* Set this to false for a 100% width navbar. |
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*/ |
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public $padded = true; |
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/** |
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* Initializes the widget. |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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$this->clientOptions = false; |
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Html::addCssClass($this->options, 'navbar'); |
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if ($this->options['class'] == 'navbar') { |
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Html::addCssClass($this->options, 'navbar-default'); |
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} |
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Html::addCssClass($this->brandOptions, 'navbar-brand'); |
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if (empty($this->options['role'])) { |
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$this->options['role'] = 'navigation'; |
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} |
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echo Html::beginTag('nav', $this->options); |
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if ($this->padded) { |
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echo Html::beginTag('div', ['class' => 'container']); |
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} |
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echo Html::beginTag('div', ['class' => 'navbar-header']); |
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echo $this->renderToggleButton(); |
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if ($this->brandLabel !== null) { |
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echo Html::a($this->brandLabel, $this->brandUrl === null ? Yii::$app->homeUrl : $this->brandUrl, $this->brandOptions); |
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} |
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echo Html::endTag('div'); |
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echo Html::beginTag('div', ['class' => "collapse navbar-collapse navbar-{$this->options['id']}-collapse"]); |
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} |
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/** |
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* Renders the widget. |
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*/ |
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public function run() |
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{ |
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echo Html::endTag('div'); |
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if ($this->padded) { |
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echo Html::endTag('div'); |
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} |
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echo Html::endTag('nav'); |
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BootstrapPluginAsset::register($this->getView()); |
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} |
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/** |
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* Renders collapsible toggle button. |
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* @return string the rendering toggle button. |
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*/ |
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protected function renderToggleButton() |
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{ |
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$bar = Html::tag('span', '', ['class' => 'icon-bar']); |
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$screenReader = '<span class="sr-only">'.$this->screenReaderToggleText.'</span>'; |
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return Html::button("{$screenReader}\n{$bar}\n{$bar}\n{$bar}", [ |
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'class' => 'navbar-toggle', |
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'data-toggle' => 'collapse', |
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'data-target' => ".navbar-{$this->options['id']}-collapse", |
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]); |
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} |
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}
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