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<?php |
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namespace BZIon\Twig; |
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class LinkToFunction |
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{ |
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/** |
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* Get a link literal to a Model |
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* |
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* @param $context |
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* @param \Model $model The model we want to link to |
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* @param string $icon A font awesome icon identifier to show instead of text |
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* @param string $action The action to link to (e.g show or edit) |
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* @param bool $linkAll Whether to link to inactive or deleted models |
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* @param string $class The CSS class(es) to apply to the link |
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* @param bool $forceText Whether to show both the icon and text |
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* @param string $content Override the content that will automatically be used |
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* |
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* @return string The HTML link |
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*/ |
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public function __invoke( |
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$context, |
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\Model $model, |
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$icon = null, |
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$action = 'show', |
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$linkAll = false, |
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$class = '', |
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$forceText = false, |
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$content = '' |
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) { |
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if (empty($content)) { |
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$content = $this->getContent($model, $icon, $forceText); |
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} elseif ($icon) { |
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$content = "<i class=\"fa fa-$icon\"></i> " . $content; |
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} |
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if ($model instanceof \UrlModel && ($linkAll || !isset($context['app']) || $context['app']->getController()->canSee($model))) { |
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$params = array(); |
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if ($linkAll) { |
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$params['showDeleted'] = true; |
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} |
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$url = $model->getURL($action, false, $params); |
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return '<a' . $this->getClass($class) . ' href="' . $url . '">' . $content . '</a>'; |
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} |
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return '<span' . $this->getClass("$class disabled-link") . '>' . $content . '</span>'; |
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} |
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/** |
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* Get the content of the link to show |
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* |
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* @param \Model $model The model we want to link to |
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* @param string $icon A font awesome icon identifier to show instead of text |
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* @param bool $forceText Whether to show both the icon and text |
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* @return string The link's content |
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*/ |
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private function getContent($model, $icon, $forceText) |
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{ |
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$content = ""; |
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if ($icon) { |
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$content .= "<i class=\"fa fa-$icon\"></i>"; |
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if ($forceText) { |
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$content .= " "; |
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} |
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} |
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if (!$icon || $forceText) { |
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$content .= \Model::escape($this->getModelName($model)); |
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} |
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return $content; |
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} |
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/** |
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* Get the name of any model |
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* |
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* @param \Model $model |
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* @return string The name of the model |
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*/ |
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private function getModelName(\Model $model) |
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{ |
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if ($model instanceof \NamedModel) { |
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return $model->getName(); |
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} |
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if ($model instanceof \AliasModel) { |
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return $model->getAlias(); |
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} |
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return $model->getId(); |
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} |
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/** |
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* Create a CSS class string |
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* |
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* @param string The CSS class(es), without `class=".."` |
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*/ |
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private function getClass($class) |
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{ |
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if (trim($class) == '') { |
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return $class; |
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} |
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return ' class="' . $class . '"'; |
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} |
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public static function get() |
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{ |
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return new \Twig_SimpleFunction('link_to', new self(), array( |
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'is_safe' => array('html'), |
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'needs_context' => true |
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)); |
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} |
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} |
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allejo /
bzion
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: