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<?php |
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namespace SilverStripe\CMS\Controllers; |
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use SilverStripe\Admin\LeftAndMain_SearchFilter; |
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use SilverStripe\CMS\Model\SiteTree; |
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use SilverStripe\View\SSViewer; |
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use SilverStripe\View\ViewableData; |
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/** |
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* Wrapper around objects being displayed in a tree. |
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* Caution: Volatile API. |
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* |
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* @todo Implement recursive tree node rendering. |
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*/ |
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class CMSTreeNode extends ViewableData |
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{ |
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/** |
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* Object represented by this node |
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* |
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* @var SiteTree |
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*/ |
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protected $obj; |
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/** |
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* Edit link to the current record in the CMS |
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* |
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* @var string |
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*/ |
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protected $link; |
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/** |
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* True if this is the currently selected node in the tree |
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* |
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* @var bool |
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*/ |
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protected $isCurrent; |
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/** |
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* Name of method to count the number of children |
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* |
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* @var string |
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*/ |
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protected $numChildrenMethod; |
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/** |
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* |
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* @var LeftAndMain_SearchFilter |
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*/ |
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protected $filter; |
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/** |
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* @param Object $obj |
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* @param string $link |
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* @param bool $isCurrent |
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* @param string $numChildrenMethod |
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* @param LeftAndMain_SearchFilter $filter |
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*/ |
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public function __construct( |
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$obj, |
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$link = null, |
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$isCurrent = false, |
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$numChildrenMethod = 'numChildren', |
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$filter = null |
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) { |
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parent::__construct(); |
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$this->obj = $obj; |
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$this->link = $link; |
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$this->isCurrent = $isCurrent; |
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$this->numChildrenMethod = $numChildrenMethod; |
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$this->filter = $filter; |
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} |
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/** |
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* Returns template, for further processing by {@link Hierarchy->getChildrenAsUL()}. |
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* Does not include closing tag to allow this method to inject its own children. |
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* |
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* @todo Remove hardcoded assumptions around returning an <li>, by implementing recursive tree node rendering |
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* |
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* @return string |
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*/ |
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public function forTemplate() |
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{ |
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$obj = $this->obj; |
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return (string)SSViewer::execute_template( |
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[ 'type' => 'Includes', self::class ], |
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$obj, |
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array( |
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'Classes' => $this->getClasses(), |
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'Link' => $this->getLink(), |
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'Title' => sprintf( |
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'(%s: %s) %s', |
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trim(_t('LeftAndMain.PAGETYPE', 'Page type'), " :"), |
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$obj->i18n_singular_name(), |
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$obj->Title |
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), |
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) |
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); |
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} |
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/** |
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* Determine the CSS classes to apply to this node |
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* |
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* @return string |
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*/ |
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public function getClasses() |
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{ |
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// Get classes from object |
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$classes = $this->obj->CMSTreeClasses($this->numChildrenMethod); |
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if ($this->isCurrent) { |
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$classes .= ' current'; |
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} |
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// Get status flag classes |
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$flags = $this->obj->hasMethod('getStatusFlags') |
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? $this->obj->getStatusFlags() |
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: false; |
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if ($flags) { |
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$statuses = array_keys($flags); |
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foreach ($statuses as $s) { |
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$classes .= ' status-' . $s; |
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} |
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} |
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// Get additional filter classes |
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if ($this->filter && ($filterClasses = $this->filter->getPageClasses($this->obj))) { |
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if (is_array($filterClasses)) { |
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$filterClasses = implode(' ', $filterClasses); |
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} |
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$classes .= ' ' . $filterClasses; |
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} |
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return $classes ?: ''; |
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} |
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/** |
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* Get page backing this node |
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* |
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* @return SiteTree |
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*/ |
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public function getObj() |
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{ |
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return $this->obj; |
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} |
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/** |
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* Set object backing this node |
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* |
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* @param SiteTree $obj |
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* @return $this |
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*/ |
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public function setObj($obj) |
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{ |
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$this->obj = $obj; |
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return $this; |
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} |
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/** |
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* Get link to this node |
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* |
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* @return string |
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*/ |
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public function getLink() |
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{ |
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return $this->link; |
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} |
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/** |
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* Set link to this node |
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* |
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* @param string $link |
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* @return $this |
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*/ |
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public function setLink($link) |
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{ |
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$this->link = $link; |
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return $this; |
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} |
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/** |
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* Check if this is the currently selected node |
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* |
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* @return bool |
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*/ |
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public function getIsCurrent() |
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{ |
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return $this->isCurrent; |
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} |
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/** |
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* Set this node to current, or not current |
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* |
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* @param bool $bool |
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* @return $this |
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*/ |
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public function setIsCurrent($bool) |
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{ |
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$this->isCurrent = $bool; |
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return $this; |
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} |
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} |
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It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: