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Diffstat (limited to 'library/Businessprocess/Renderer/Renderer.php')
| -rw-r--r-- | library/Businessprocess/Renderer/Renderer.php | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/library/Businessprocess/Renderer/Renderer.php b/library/Businessprocess/Renderer/Renderer.php new file mode 100644 index 0000000..58e1c4d --- /dev/null +++ b/library/Businessprocess/Renderer/Renderer.php @@ -0,0 +1,398 @@ +<?php + +namespace Icinga\Module\Businessprocess\Renderer; + +use Icinga\Exception\ProgrammingError; +use Icinga\Module\Businessprocess\BpNode; +use Icinga\Module\Businessprocess\BpConfig; +use Icinga\Module\Businessprocess\ImportedNode; +use Icinga\Module\Businessprocess\MonitoredNode; +use Icinga\Module\Businessprocess\Node; +use Icinga\Module\Businessprocess\Web\Url; +use ipl\Html\BaseHtmlElement; +use ipl\Html\Html; +use ipl\Html\HtmlDocument; +use ipl\Web\Widget\StateBadge; + +abstract class Renderer extends HtmlDocument +{ + /** @var BpConfig */ + protected $config; + + /** @var BpNode */ + protected $parent; + + /** @var bool Administrative actions are hidden unless unlocked */ + protected $locked = true; + + /** @var Url */ + protected $url; + + /** @var Url */ + protected $baseUrl; + + /** @var array */ + protected $path = array(); + + /** @var bool */ + protected $isBreadcrumb = false; + + /** + * Renderer constructor. + * + * @param BpConfig $config + * @param BpNode|null $parent + */ + public function __construct(BpConfig $config, BpNode $parent = null) + { + $this->config = $config; + $this->parent = $parent; + } + + /** + * @return BpConfig + */ + public function getBusinessProcess() + { + return $this->config; + } + + /** + * Whether this will render all root nodes + * + * @return bool + */ + public function wantsRootNodes() + { + return $this->parent === null; + } + + /** + * Whether this will only render parts of given config + * + * @return bool + */ + public function rendersSubNode() + { + return $this->parent !== null; + } + + public function rendersImportedNode() + { + return $this->parent !== null && $this->parent->getBpConfig()->getName() !== $this->config->getName(); + } + + public function setParentNode(BpNode $node) + { + $this->parent = $node; + return $this; + } + + /** + * @return BpNode + */ + public function getParentNode() + { + return $this->parent; + } + + /** + * @return BpNode[] + */ + public function getParentNodes() + { + if ($this->wantsRootNodes()) { + return array(); + } + + return $this->parent->getParents(); + } + + /** + * @return BpNode[] + */ + public function getChildNodes() + { + if ($this->wantsRootNodes()) { + return $this->config->getRootNodes(); + } else { + return $this->parent->getChildren(); + } + } + + /** + * @return int + */ + public function countChildNodes() + { + if ($this->wantsRootNodes()) { + return $this->config->countChildren(); + } else { + return $this->parent->countChildren(); + } + } + + /** + * @param $summary + * @return BaseHtmlElement + */ + public function renderStateBadges($summary, $totalChildren) + { + $elements = []; + + $itemCount = Html::tag( + 'span', + [ + 'class' => [ + 'item-count', + ] + ], + sprintf(mtp('businessprocess', '%u Child', '%u Children', $totalChildren), $totalChildren) + ); + + $elements[] = array_filter([ + $this->createBadgeGroup($summary, 'CRITICAL'), + $this->createBadgeGroup($summary, 'UNKNOWN'), + $this->createBadgeGroup($summary, 'WARNING'), + $this->createBadge($summary, 'MISSING'), + $this->createBadge($summary, 'PENDING') + ]); + + if (!empty($elements)) { + $container = Html::tag('ul', ['class' => 'state-badges']); + $container->add($itemCount); + foreach ($elements as $element) { + $container->add($element); + } + + return $container; + } + return null; + } + + protected function createBadge($summary, $state) + { + if ($summary[$state] !== 0) { + return Html::tag('li', new StateBadge($summary[$state], strtolower($state))); + } + + return null; + } + + protected function createBadgeGroup($summary, $state) + { + $content = []; + if ($summary[$state] !== 0) { + $content[] = Html::tag('li', new StateBadge($summary[$state], strtolower($state))); + } + + if ($summary[$state . '-HANDLED'] !== 0) { + $content[] = Html::tag('li', new StateBadge($summary[$state . '-HANDLED'], strtolower($state), true)); + } + + if (empty($content)) { + return null; + } + + return Html::tag('li', Html::tag('ul', $content)); + } + + public function getNodeClasses(Node $node) + { + if ($node->isMissing()) { + $classes = array('missing'); + } else { + if ($node->isEmpty() && ! $node instanceof MonitoredNode) { + $classes = array('empty'); + } else { + $classes = [strtolower($node->getStateName( + $this->parent !== null ? $this->parent->getChildState($node) : null + ))]; + } + if ($node->hasMissingChildren()) { + $classes[] = 'missing-children'; + } + } + + if ($node->isHandled()) { + $classes[] = 'handled'; + } + + if ($node instanceof BpNode) { + $classes[] = 'process-node'; + } else { + $classes[] = 'monitored-node'; + } + // TODO: problem? + return $classes; + } + + /** + * Return the url to the given node's source configuration + * + * @param BpNode $node + * + * @return Url + */ + public function getSourceUrl(BpNode $node) + { + if ($node instanceof ImportedNode) { + $name = $node->getNodeName(); + $paths = $node->getBpConfig()->getBpNode($name)->getPaths(); + } else { + $name = $node->getName(); + $paths = $node->getPaths(); + } + + $url = clone $this->getUrl(); + $url->setParams([ + 'config' => $node->getBpConfig()->getName(), + 'node' => $name + ]); + // This depends on the fact that the node's root path is the last element in $paths + $url->getParams()->addValues('path', array_slice(array_pop($paths), 0, -1)); + if (! $this->isLocked()) { + $url->getParams()->add('unlocked', true); + } + + return $url; + } + + /** + * @param Node $node + * @param $path + * @return string + */ + public function getId(Node $node, $path) + { + return md5((empty($path) ? '' : implode(';', $path)) . $node->getName()); + } + + public function setPath(array $path) + { + $this->path = $path; + return $this; + } + + /** + * @return array + */ + public function getPath() + { + return $this->path; + } + + public function getCurrentPath() + { + $path = $this->getPath(); + if ($this->rendersSubNode()) { + $path[] = $this->rendersImportedNode() + ? $this->parent->getIdentifier() + : $this->parent->getName(); + } + + return $path; + } + + /** + * @param Url $url + * @return $this + */ + public function setUrl(Url $url) + { + $this->url = $url->without(array( + 'action', + 'deletenode', + 'deleteparent', + 'editnode', + 'simulationnode', + 'view' + )); + $this->setBaseUrl($this->url); + return $this; + } + + /** + * @param Url $url + * @return $this + */ + protected function setBaseUrl(Url $url) + { + $this->baseUrl = $url->without(array('node', 'path')); + return $this; + } + + public function getUrl() + { + return $this->url; + } + + /** + * @return Url + * @throws ProgrammingError + */ + public function getBaseUrl() + { + if ($this->baseUrl === null) { + throw new ProgrammingError('Renderer has no baseUrl'); + } + + return clone($this->baseUrl); + } + + /** + * @return bool + */ + public function isLocked() + { + return $this->locked; + } + + /** + * @return $this + */ + public function lock() + { + $this->locked = true; + return $this; + } + + /** + * @return $this + */ + public function unlock() + { + $this->locked = false; + return $this; + } + + /** + * TODO: Get rid of this + * + * @return $this + */ + public function setIsBreadcrumb() + { + $this->isBreadcrumb = true; + return $this; + } + + public function isBreadcrumb() + { + return $this->isBreadcrumb; + } + + protected function createUnboundParent(BpConfig $bp) + { + return $bp->getNode('__unbound__'); + } + + /** + * Just to be on the safe side + */ + public function __destruct() + { + unset($this->parent); + unset($this->config); + } +} |