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<?php |
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/** |
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* @author Damian Dlugosz <[email protected]> |
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*/ |
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namespace Braincrafted\Bundle\BootstrapBundle\Twig; |
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use Twig_Extension; |
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use Twig_SimpleFunction; |
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class BootstrapButtonExtension extends Twig_Extension |
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{ |
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/** |
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* @var BootstrapIconExtension |
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*/ |
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private $iconExtension; |
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private $defaults = array( |
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'label' => '', |
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'icon' => false, |
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'type' => 'default', |
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'size' => 'md', |
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'attr' => array(), |
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); |
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/** |
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* @param BootstrapIconExtension $iconExtension |
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*/ |
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public function __construct(BootstrapIconExtension $iconExtension) |
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{ |
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$this->iconExtension = $iconExtension; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getFunctions() |
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{ |
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return array( |
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new Twig_SimpleFunction('button', array($this, 'buttonFunction'), array('is_safe' => array('html'))), |
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new Twig_SimpleFunction('button_link', array($this, 'buttonLinkFunction'), array('is_safe' => array('html'))), |
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); |
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} |
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/** |
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* @param array $options |
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* @return string |
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*/ |
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public function buttonFunction(array $options = array()) |
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{ |
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$options = array_merge($this->defaults, $options); |
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$options['attr']['class'] = "btn btn-{$options['type']} btn-{$options['size']}" . (isset($options['attr']['class']) ? ' '.$options['attr']['class'] : ''); |
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$options['attr']['type'] = isset($options['submit']) && $options['submit'] ? 'submit' : 'button'; |
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$icon = $options['icon'] ? $this->iconExtension->iconFunction($options['icon']).' ' : ''; |
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$attr = $options['attr'] ? $this->attributes($options['attr']) : ''; |
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$button = "<button{$attr}>{$icon}{$options['label']}</button>"; |
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return $button; |
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} |
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/** |
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* @param array $options |
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* @return string |
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*/ |
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public function buttonLinkFunction(array $options = array()) |
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{ |
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$options = array_merge($this->defaults, $options); |
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$options['attr']['class'] = "btn btn-{$options['type']} btn-{$options['size']}" . (isset($options['attr']['class']) ? ' '.$options['attr']['class'] : ''); |
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$options['attr']['href'] = (isset($options['url']) ? $options['url'] : '#'); |
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$icon = $options['icon'] ? $this->iconExtension->iconFunction($options['icon']).' ' : ''; |
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$attr = $options['attr'] ? $this->attributes($options['attr']) : ''; |
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$button = "<a{$attr}>{$icon}{$options['label']}</a>"; |
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return $button; |
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} |
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private function attributes(array $attributes) |
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{ |
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$result = ''; |
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array_walk($attributes, function($value, $attr) use (&$result) { |
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$result .= " $attr=\"$value\""; |
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}); |
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return $result; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getName() |
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{ |
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return 'braincrafted_bootstrap_button'; |
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} |
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} |
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braincrafted /
bootstrap-bundle
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