849 lines
18 KiB
PHP
849 lines
18 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
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namespace Icinga\Web\Navigation;
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use Exception;
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use InvalidArgumentException;
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use IteratorAggregate;
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use Icinga\Application\Icinga;
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use Icinga\Application\Logger;
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use Icinga\Exception\IcingaException;
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use Icinga\Exception\ProgrammingError;
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use Icinga\Web\Navigation\Renderer\NavigationItemRenderer;
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use Icinga\Web\Url;
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/**
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* A navigation item
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*/
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class NavigationItem implements IteratorAggregate
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{
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/**
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* Alternative markup element for items without a url
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*
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* @var string
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*/
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const LINK_ALTERNATIVE = 'span';
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/**
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* The class namespace where to locate navigation type renderer classes
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*/
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const RENDERER_NS = 'Web\\Navigation\\Renderer';
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/**
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* Whether this item is active
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*
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* @var bool
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*/
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protected $active;
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/**
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* The CSS class used for the outer li element
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*
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* @var string
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*/
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protected $cssClass;
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/**
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* This item's priority
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*
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* The priority defines when the item is rendered in relation to its parent's childs.
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*
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* @var int
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*/
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protected $priority;
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/**
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* The attributes of this item's element
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*
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* @var array
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*/
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protected $attributes;
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/**
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* This item's children
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*
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* @var Navigation
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*/
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protected $children;
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/**
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* This item's icon
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*
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* @var string
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*/
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protected $icon;
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/**
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* This item's name
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*
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* @var string
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*/
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protected $name;
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/**
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* This item's label
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*
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* @var string
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*/
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protected $label;
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/**
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* This item's parent
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*
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* @var NavigationItem
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*/
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protected $parent;
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/**
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* This item's url
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*
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* @var Url
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*/
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protected $url;
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/**
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* This item's url target
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*
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* @var string
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*/
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protected $target;
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/**
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* Additional parameters for this item's url
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*
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* @var array
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*/
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protected $urlParameters;
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/**
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* This item's renderer
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*
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* @var NavigationItemRenderer
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*/
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protected $renderer;
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/**
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* Whether to render this item
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*
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* @var bool
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*/
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protected $render;
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/**
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* Create a new NavigationItem
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*
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* @param string $name
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* @param array $properties
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*/
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public function __construct($name, array $properties = null)
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{
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$this->setName($name);
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$this->children = new Navigation();
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if (! empty($properties)) {
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$this->setProperties($properties);
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}
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$this->init();
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}
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/**
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* Initialize this NavigationItem
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*/
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public function init()
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{
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}
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/**
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* {@inheritdoc}
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*/
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public function getIterator()
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{
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return $this->getChildren();
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}
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/**
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* Return whether this item is active
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*
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* @return bool
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*/
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public function getActive()
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{
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if ($this->active === null) {
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$this->active = false;
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if ($this->getUrl() !== null && Icinga::app()->getRequest()->getUrl()->matches($this->getUrl())) {
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$this->setActive();
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} elseif ($this->hasChildren()) {
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foreach ($this->getChildren() as $item) {
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/** @var NavigationItem $item */
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if ($item->getActive()) {
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// Do nothing, a true active state is automatically passed to all parents
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}
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}
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}
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}
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return $this->active;
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}
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/**
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* Set whether this item is active
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*
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* If it's active and has a parent, the parent gets activated as well.
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*
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* @param bool $active
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*
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* @return $this
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*/
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public function setActive($active = true)
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{
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$this->active = (bool) $active;
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if ($this->active && $this->getParent() !== null) {
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$this->getParent()->setActive();
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}
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return $this;
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}
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/**
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* Get the CSS class used for the outer li element
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*
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* @return string
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*/
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public function getCssClass()
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{
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return $this->cssClass;
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}
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/**
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* Set the CSS class to use for the outer li element
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*
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* @param string $class
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*
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* @return $this
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*/
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public function setCssClass($class)
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{
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$this->cssClass = (string) $class;
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return $this;
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}
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/**
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* Return this item's priority
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*
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* @return int
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*/
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public function getPriority()
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{
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return $this->priority !== null ? $this->priority : 100;
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}
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/**
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* Set this item's priority
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*
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* @param int $priority
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*
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* @return $this
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*/
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public function setPriority($priority)
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{
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$this->priority = (int) $priority;
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return $this;
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}
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/**
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* Return the value of the given element attribute
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*
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* @param string $name
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* @param mixed $default
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*
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* @return mixed
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*/
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public function getAttribute($name, $default = null)
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{
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$attributes = $this->getAttributes();
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return array_key_exists($name, $attributes) ? $attributes[$name] : $default;
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}
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/**
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* Set the value of the given element attribute
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*
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* @param string $name
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* @param mixed $value
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*
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* @return $this
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*/
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public function setAttribute($name, $value)
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{
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$this->attributes[$name] = $value;
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return $this;
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}
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/**
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* Return the attributes of this item's element
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*
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* @return array
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*/
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public function getAttributes()
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{
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return $this->attributes ?: array();
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}
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/**
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* Set the attributes of this item's element
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*
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* @param array $attributes
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*
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* @return $this
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*/
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public function setAttributes(array $attributes)
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{
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$this->attributes = $attributes;
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return $this;
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}
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/**
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* Add a child to this item
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*
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* If the child is active this item gets activated as well.
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*
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* @param NavigationItem $child
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*
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* @return $this
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*/
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public function addChild(NavigationItem $child)
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{
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$this->getChildren()->addItem($child->setParent($this));
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if ($child->getActive()) {
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$this->setActive();
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}
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return $this;
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}
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/**
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* Return this item's children
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*
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* @return Navigation
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*/
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public function getChildren()
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{
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return $this->children;
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}
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/**
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* Return whether this item has any children
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*
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* @return bool
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*/
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public function hasChildren()
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{
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return !$this->getChildren()->isEmpty();
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}
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/**
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* Set this item's children
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*
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* @param array|Navigation $children
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*
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* @return $this
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*/
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public function setChildren($children)
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{
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if (is_array($children)) {
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$children = Navigation::fromArray($children);
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} elseif (! $children instanceof Navigation) {
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throw new InvalidArgumentException('Argument $children must be of type array or Navigation');
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}
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foreach ($children as $item) {
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$item->setParent($this);
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}
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$this->children = $children;
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return $this;
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}
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/**
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* Return this item's icon
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*
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* @return string
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*/
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public function getIcon()
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{
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return $this->icon;
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}
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/**
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* Set this item's icon
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*
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* @param string $icon
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*
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* @return $this
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*/
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public function setIcon($icon)
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{
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$this->icon = $icon;
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return $this;
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}
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/**
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* Return this item's name escaped with only ASCII chars and/or digits
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*
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* @return string
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*/
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protected function getEscapedName()
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{
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return preg_replace('~[^a-zA-Z0-9]~', '_', $this->getName());
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}
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/**
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* Return a unique version of this item's name
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*
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* @return string
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*/
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public function getUniqueName()
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{
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if ($this->getParent() === null) {
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return 'navigation-' . $this->getEscapedName();
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}
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return $this->getParent()->getUniqueName() . '-' . $this->getEscapedName();
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}
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/**
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* Return this item's name
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*
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* @return string
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*/
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public function getName()
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{
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return $this->name;
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}
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/**
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* Set this item's name
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*
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* @param string $name
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*
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* @return $this
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*/
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public function setName($name)
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{
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$this->name = $name;
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return $this;
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}
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/**
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* Set this item's parent
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*
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* @param NavigationItem $parent
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*
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* @return $this
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*/
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public function setParent(NavigationItem $parent)
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{
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$this->parent = $parent;
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return $this;
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}
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/**
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* Return this item's parent
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*
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* @return NavigationItem
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*/
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public function getParent()
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{
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return $this->parent;
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}
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/**
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* Return this item's label
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*
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* @return string
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*/
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public function getLabel()
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{
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return $this->label !== null ? $this->label : $this->getName();
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}
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/**
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* Set this item's label
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*
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* @param string $label
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*
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* @return $this
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*/
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public function setLabel($label)
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{
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$this->label = $label;
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return $this;
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}
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/**
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* Set this item's url target
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*
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* @param string $target
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*
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* @return $this
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*/
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public function setTarget($target)
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{
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$this->target = $target;
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return $this;
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}
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/**
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* Return this item's url target
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*
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* @return string
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*/
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public function getTarget()
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{
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return $this->target;
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}
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/**
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* Return this item's url
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*
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* @return Url
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*/
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public function getUrl()
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{
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if ($this->url === null && $this->hasChildren()) {
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$this->setUrl(Url::fromPath('#'));
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}
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return $this->url;
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}
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/**
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* Set this item's url
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*
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* @param Url|string $url
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*
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* @return $this
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*
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* @throws InvalidArgumentException If the given url is neither of type
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*/
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public function setUrl($url)
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{
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if (is_string($url)) {
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$url = Url::fromPath($url);
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} elseif (! $url instanceof Url) {
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throw new InvalidArgumentException('Argument $url must be of type string or Url');
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}
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$this->url = $url;
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return $this;
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}
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/**
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* Return the value of the given url parameter
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*
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* @param string $name
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* @param mixed $default
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*
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* @return mixed
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*/
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public function getUrlParameter($name, $default = null)
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{
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$parameters = $this->getUrlParameters();
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return isset($parameters[$name]) ? $parameters[$name] : $default;
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}
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/**
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* Set the value of the given url parameter
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*
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* @param string $name
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* @param mixed $value
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*
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* @return $this
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*/
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public function setUrlParameter($name, $value)
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{
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$this->urlParameters[$name] = $value;
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return $this;
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}
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/**
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* Return all additional parameters for this item's url
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*
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* @return array
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*/
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public function getUrlParameters()
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{
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return $this->urlParameters ?: array();
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}
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/**
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* Set additional parameters for this item's url
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*
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* @param array $urlParameters
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*
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* @return $this
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*/
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public function setUrlParameters(array $urlParameters)
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{
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$this->urlParameters = $urlParameters;
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return $this;
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}
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/**
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* Set this item's properties
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*
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* Unknown properties (no matching setter) are considered as element attributes.
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*
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* @param array $properties
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*
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* @return $this
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*/
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public function setProperties(array $properties)
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{
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foreach ($properties as $name => $value) {
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$setter = 'set' . ucfirst($name);
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if (method_exists($this, $setter)) {
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$this->$setter($value);
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} else {
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$this->setAttribute($name, $value);
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}
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}
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return $this;
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}
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/**
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* Merge this item with the given one
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*
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* @param NavigationItem $item
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*
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* @return $this
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*/
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public function merge(NavigationItem $item)
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{
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if ($this->conflictsWith($item)) {
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throw new ProgrammingError('Cannot merge, conflict detected.');
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}
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if ($this->priority === null) {
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$priority = $item->getPriority();
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if ($priority !== 100) {
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$this->setPriority($priority);
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}
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}
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if (! $this->getIcon()) {
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$this->setIcon($item->getIcon());
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}
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if ($this->getLabel() === $this->getName() && $item->getLabel() !== $item->getName()) {
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$this->setLabel($item->getLabel());
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}
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if ($this->target === null && ($target = $item->getTarget()) !== null) {
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$this->setTarget($target);
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}
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if ($this->renderer === null) {
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$renderer = $item->getRenderer();
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if (get_class($renderer) !== 'NavigationItemRenderer') {
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$this->setRenderer($renderer);
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}
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}
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foreach ($item->getAttributes() as $name => $value) {
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$this->setAttribute($name, $value);
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}
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foreach ($item->getUrlParameters() as $name => $value) {
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$this->setUrlParameter($name, $value);
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}
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if ($item->hasChildren()) {
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$this->getChildren()->merge($item->getChildren());
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}
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return $this;
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}
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|
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/**
|
|
* Return whether it's possible to merge this item with the given one
|
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*
|
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* @param NavigationItem $item
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*
|
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* @return bool
|
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*/
|
|
public function conflictsWith(NavigationItem $item)
|
|
{
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if (! $item instanceof $this) {
|
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return true;
|
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}
|
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|
|
if ($this->getUrl() === null || $item->getUrl() === null) {
|
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return false;
|
|
}
|
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|
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return !$this->getUrl()->matches($item->getUrl());
|
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}
|
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|
|
/**
|
|
* Create and return the given renderer
|
|
*
|
|
* @param string|array $name
|
|
*
|
|
* @return NavigationItemRenderer
|
|
*/
|
|
protected function createRenderer($name)
|
|
{
|
|
if (is_array($name)) {
|
|
$options = array_splice($name, 1);
|
|
$name = $name[0];
|
|
} else {
|
|
$options = array();
|
|
}
|
|
|
|
$renderer = null;
|
|
foreach (Icinga::app()->getModuleManager()->getLoadedModules() as $module) {
|
|
$classPath = 'Icinga\\Module\\' . ucfirst($module->getName()) . '\\' . static::RENDERER_NS . '\\' . $name;
|
|
if (class_exists($classPath)) {
|
|
$renderer = new $classPath($options);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ($renderer === null) {
|
|
$classPath = 'Icinga\\' . static::RENDERER_NS . '\\' . $name;
|
|
if (class_exists($classPath)) {
|
|
$renderer = new $classPath($options);
|
|
}
|
|
}
|
|
|
|
if ($renderer === null) {
|
|
throw new ProgrammingError(
|
|
'Cannot find renderer "%s" for navigation item "%s"',
|
|
$name,
|
|
$this->getName()
|
|
);
|
|
} elseif (! $renderer instanceof NavigationItemRenderer) {
|
|
throw new ProgrammingError('Class %s must inherit from NavigationItemRenderer', $classPath);
|
|
}
|
|
|
|
return $renderer;
|
|
}
|
|
|
|
/**
|
|
* Set this item's renderer
|
|
*
|
|
* @param string|array|NavigationItemRenderer $renderer
|
|
*
|
|
* @return $this
|
|
*
|
|
* @throws InvalidArgumentException If the $renderer argument is neither a string nor a NavigationItemRenderer
|
|
*/
|
|
public function setRenderer($renderer)
|
|
{
|
|
if (is_string($renderer) || is_array($renderer)) {
|
|
$renderer = $this->createRenderer($renderer);
|
|
} elseif (! $renderer instanceof NavigationItemRenderer) {
|
|
throw new InvalidArgumentException(
|
|
'Argument $renderer must be of type string, array or NavigationItemRenderer'
|
|
);
|
|
}
|
|
|
|
$this->renderer = $renderer;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Return this item's renderer
|
|
*
|
|
* @return NavigationItemRenderer
|
|
*/
|
|
public function getRenderer()
|
|
{
|
|
if ($this->renderer === null) {
|
|
$this->setRenderer('NavigationItemRenderer');
|
|
}
|
|
|
|
return $this->renderer;
|
|
}
|
|
|
|
/**
|
|
* Set whether this item should be rendered
|
|
*
|
|
* @param bool $state
|
|
*
|
|
* @return $this
|
|
*/
|
|
public function setRender($state = true)
|
|
{
|
|
$this->render = (bool) $state;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Return whether this item should be rendered
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function getRender()
|
|
{
|
|
if ($this->render === null) {
|
|
return true;
|
|
}
|
|
|
|
return $this->render;
|
|
}
|
|
|
|
/**
|
|
* Return whether this item should be rendered
|
|
*
|
|
* Alias for NavigationItem::getRender().
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function shouldRender()
|
|
{
|
|
return $this->getRender();
|
|
}
|
|
|
|
/**
|
|
* Return this item rendered to HTML
|
|
*
|
|
* @return string
|
|
*/
|
|
public function render()
|
|
{
|
|
try {
|
|
return $this->getRenderer()->setItem($this)->render();
|
|
} catch (Exception $e) {
|
|
Logger::error(
|
|
'Could not invoke custom navigation item renderer. %s in %s:%d with message: %s',
|
|
get_class($e),
|
|
$e->getFile(),
|
|
$e->getLine(),
|
|
$e->getMessage()
|
|
);
|
|
|
|
$renderer = new NavigationItemRenderer();
|
|
return $renderer->render($this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return this item rendered to HTML
|
|
*
|
|
* @return string
|
|
*/
|
|
public function __toString()
|
|
{
|
|
try {
|
|
return $this->render();
|
|
} catch (Exception $e) {
|
|
return IcingaException::describe($e);
|
|
}
|
|
}
|
|
}
|