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-rw-r--r--library/Icinga/Web/Widget/Dashboard.php475
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diff --git a/library/Icinga/Web/Widget/Dashboard.php b/library/Icinga/Web/Widget/Dashboard.php
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+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Web\Widget;
+
+use Icinga\Application\Config;
+use Icinga\Exception\ConfigurationError;
+use Icinga\Exception\NotReadableError;
+use Icinga\Exception\ProgrammingError;
+use Icinga\Legacy\DashboardConfig;
+use Icinga\User;
+use Icinga\Web\Navigation\DashboardPane;
+use Icinga\Web\Navigation\Navigation;
+use Icinga\Web\Url;
+use Icinga\Web\Widget\Dashboard\Dashlet as DashboardDashlet;
+use Icinga\Web\Widget\Dashboard\Pane;
+
+/**
+ * Dashboards display multiple views on a single page
+ *
+ * The terminology is as follows:
+ * - Dashlet: A single view showing a specific url
+ * - Pane: Aggregates one or more dashlets on one page, displays its title as a tab
+ * - Dashboard: Shows all panes
+ *
+ */
+class Dashboard extends AbstractWidget
+{
+ /**
+ * An array containing all panes of this dashboard
+ *
+ * @var array
+ */
+ private $panes = array();
+
+ /**
+ * The @see Icinga\Web\Widget\Tabs object for displaying displayable panes
+ *
+ * @var Tabs
+ */
+ protected $tabs;
+
+ /**
+ * The parameter that will be added to identify panes
+ *
+ * @var string
+ */
+ private $tabParam = 'pane';
+
+ /**
+ * @var User
+ */
+ private $user;
+
+ /**
+ * Set the given tab name as active.
+ *
+ * @param string $name The tab name to activate
+ *
+ */
+ public function activate($name)
+ {
+ $this->getTabs()->activate($name);
+ }
+
+ /**
+ * Load Pane items provided by all enabled modules
+ *
+ * @return $this
+ */
+ public function load()
+ {
+ $navigation = new Navigation();
+ $navigation->load('dashboard-pane');
+
+ $panes = array();
+ foreach ($navigation as $dashboardPane) {
+ /** @var DashboardPane $dashboardPane */
+ $pane = new Pane($dashboardPane->getLabel());
+ foreach ($dashboardPane->getChildren() as $dashlet) {
+ $pane->addDashlet($dashlet->getLabel(), $dashlet->getUrl());
+ }
+
+ $panes[] = $pane;
+ }
+
+ $this->mergePanes($panes);
+ $this->loadUserDashboards($navigation);
+ return $this;
+ }
+
+ /**
+ * Create and return a Config object for this dashboard
+ *
+ * @return Config
+ */
+ public function getConfig()
+ {
+ $output = array();
+ foreach ($this->panes as $pane) {
+ if ($pane->isUserWidget()) {
+ $output[$pane->getName()] = $pane->toArray();
+ }
+ foreach ($pane->getDashlets() as $dashlet) {
+ if ($dashlet->isUserWidget()) {
+ $output[$pane->getName() . '.' . $dashlet->getName()] = $dashlet->toArray();
+ }
+ }
+ }
+
+ return DashboardConfig::fromArray($output)->setConfigFile($this->getConfigFile())->setUser($this->user);
+ }
+
+ /**
+ * Load user dashboards from all config files that match the username
+ */
+ protected function loadUserDashboards(Navigation $navigation)
+ {
+ foreach (DashboardConfig::listConfigFilesForUser($this->user) as $file) {
+ $this->loadUserDashboardsFromFile($file, $navigation);
+ }
+ }
+
+ /**
+ * Load user dashboards from the given config file
+ *
+ * @param string $file
+ *
+ * @return bool
+ */
+ protected function loadUserDashboardsFromFile($file, Navigation $dashboardNavigation)
+ {
+ try {
+ $config = Config::fromIni($file);
+ } catch (NotReadableError $e) {
+ return false;
+ }
+
+ if (! count($config)) {
+ return false;
+ }
+ $panes = array();
+ $dashlets = array();
+ foreach ($config as $key => $part) {
+ if (strpos($key, '.') === false) {
+ $dashboardPane = $dashboardNavigation->getItem($key);
+ if ($dashboardPane !== null) {
+ $key = $dashboardPane->getLabel();
+ }
+ if ($this->hasPane($key)) {
+ $panes[$key] = $this->getPane($key);
+ } else {
+ $panes[$key] = new Pane($key);
+ $panes[$key]->setTitle($part->title);
+ }
+ $panes[$key]->setUserWidget();
+ if ((bool) $part->get('disabled', false) === true) {
+ $panes[$key]->setDisabled();
+ }
+ } else {
+ list($paneName, $dashletName) = explode('.', $key, 2);
+ $dashboardPane = $dashboardNavigation->getItem($paneName);
+ if ($dashboardPane !== null) {
+ $paneName = $dashboardPane->getLabel();
+ $dashletItem = $dashboardPane->getChildren()->getItem($dashletName);
+ if ($dashletItem !== null) {
+ $dashletName = $dashletItem->getLabel();
+ }
+ }
+ $part->pane = $paneName;
+ $part->dashlet = $dashletName;
+ $dashlets[] = $part;
+ }
+ }
+ foreach ($dashlets as $dashletData) {
+ $pane = null;
+
+ if (array_key_exists($dashletData->pane, $panes) === true) {
+ $pane = $panes[$dashletData->pane];
+ } elseif (array_key_exists($dashletData->pane, $this->panes) === true) {
+ $pane = $this->panes[$dashletData->pane];
+ } else {
+ continue;
+ }
+ $dashlet = new DashboardDashlet(
+ $dashletData->title,
+ $dashletData->url,
+ $pane
+ );
+ $dashlet->setName($dashletData->dashlet);
+
+ if ((bool) $dashletData->get('disabled', false) === true) {
+ $dashlet->setDisabled(true);
+ }
+
+ $dashlet->setUserWidget();
+ $pane->addDashlet($dashlet);
+ }
+
+ $this->mergePanes($panes);
+
+ return true;
+ }
+
+ /**
+ * Merge panes with existing panes
+ *
+ * @param array $panes
+ *
+ * @return $this
+ */
+ public function mergePanes(array $panes)
+ {
+ /** @var $pane Pane */
+ foreach ($panes as $pane) {
+ if ($this->hasPane($pane->getName()) === true) {
+ /** @var $current Pane */
+ $current = $this->panes[$pane->getName()];
+ $current->addDashlets($pane->getDashlets());
+ } else {
+ $this->panes[$pane->getName()] = $pane;
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * Return the tab object used to navigate through this dashboard
+ *
+ * @return Tabs
+ */
+ public function getTabs()
+ {
+ $url = Url::fromPath('dashboard')->getUrlWithout($this->tabParam);
+ if ($this->tabs === null) {
+ $this->tabs = new Tabs();
+
+ foreach ($this->panes as $key => $pane) {
+ if ($pane->getDisabled()) {
+ continue;
+ }
+ $this->tabs->add(
+ $key,
+ array(
+ 'title' => sprintf(
+ t('Show %s', 'dashboard.pane.tooltip'),
+ $pane->getTitle()
+ ),
+ 'label' => $pane->getTitle(),
+ 'url' => clone($url),
+ 'urlParams' => array($this->tabParam => $key)
+ )
+ );
+ }
+ }
+ return $this->tabs;
+ }
+
+ /**
+ * Return all panes of this dashboard
+ *
+ * @return array
+ */
+ public function getPanes()
+ {
+ return $this->panes;
+ }
+
+
+ /**
+ * Creates a new empty pane with the given title
+ *
+ * @param string $title
+ *
+ * @return $this
+ */
+ public function createPane($title)
+ {
+ $pane = new Pane($title);
+ $pane->setTitle($title);
+ $this->addPane($pane);
+
+ return $this;
+ }
+
+ /**
+ * Checks if the current dashboard has any panes
+ *
+ * @return bool
+ */
+ public function hasPanes()
+ {
+ return ! empty($this->panes);
+ }
+
+ /**
+ * Check if a panel exist
+ *
+ * @param string $pane
+ * @return bool
+ */
+ public function hasPane($pane)
+ {
+ return $pane && array_key_exists($pane, $this->panes);
+ }
+
+ /**
+ * Add a pane object to this dashboard
+ *
+ * @param Pane $pane The pane to add
+ *
+ * @return $this
+ */
+ public function addPane(Pane $pane)
+ {
+ $this->panes[$pane->getName()] = $pane;
+ return $this;
+ }
+
+ public function removePane($title)
+ {
+ if ($this->hasPane($title) === true) {
+ $pane = $this->getPane($title);
+ if ($pane->isUserWidget() === true) {
+ unset($this->panes[$pane->getName()]);
+ } else {
+ $pane->setDisabled();
+ $pane->setUserWidget();
+ }
+ } else {
+ throw new ProgrammingError('Pane not found: ' . $title);
+ }
+ }
+
+ /**
+ * Return the pane with the provided name
+ *
+ * @param string $name The name of the pane to return
+ *
+ * @return Pane The pane or null if no pane with the given name exists
+ * @throws ProgrammingError
+ */
+ public function getPane($name)
+ {
+ if (! array_key_exists($name, $this->panes)) {
+ throw new ProgrammingError(
+ 'Trying to retrieve invalid dashboard pane "%s"',
+ $name
+ );
+ }
+ return $this->panes[$name];
+ }
+
+ /**
+ * Return an array with pane name=>title format used for comboboxes
+ *
+ * @return array
+ */
+ public function getPaneKeyTitleArray()
+ {
+ $list = array();
+ foreach ($this->panes as $name => $pane) {
+ $list[$name] = $pane->getTitle();
+ }
+ return $list;
+ }
+
+ /**
+ * @see Icinga\Web\Widget::render
+ */
+ public function render()
+ {
+ if (empty($this->panes)) {
+ return '';
+ }
+
+ return $this->determineActivePane()->render();
+ }
+
+ /**
+ * Activates the default pane of this dashboard and returns its name
+ *
+ * @return mixed
+ */
+ private function setDefaultPane()
+ {
+ $active = null;
+
+ foreach ($this->panes as $key => $pane) {
+ if ($pane->getDisabled() === false) {
+ $active = $key;
+ break;
+ }
+ }
+
+ if ($active !== null) {
+ $this->activate($active);
+ }
+ return $active;
+ }
+
+ /**
+ * @see determineActivePane()
+ */
+ public function getActivePane()
+ {
+ return $this->determineActivePane();
+ }
+
+ /**
+ * Determine the active pane either by the selected tab or the current request
+ *
+ * @throws \Icinga\Exception\ConfigurationError
+ * @throws \Icinga\Exception\ProgrammingError
+ *
+ * @return Pane The currently active pane
+ */
+ public function determineActivePane()
+ {
+ $active = $this->getTabs()->getActiveName();
+ if (! $active) {
+ if ($active = Url::fromRequest()->getParam($this->tabParam)) {
+ if ($this->hasPane($active)) {
+ $this->activate($active);
+ } else {
+ throw new ProgrammingError(
+ 'Try to get an inexistent pane.'
+ );
+ }
+ } else {
+ $active = $this->setDefaultPane();
+ }
+ }
+
+ if (isset($this->panes[$active])) {
+ return $this->panes[$active];
+ }
+
+ throw new ConfigurationError('Could not determine active pane');
+ }
+
+ /**
+ * Setter for user object
+ *
+ * @param User $user
+ */
+ public function setUser(User $user)
+ {
+ $this->user = $user;
+ }
+
+ /**
+ * Getter for user object
+ *
+ * @return User
+ */
+ public function getUser()
+ {
+ return $this->user;
+ }
+
+ /**
+ * Get config file
+ *
+ * @return string
+ */
+ public function getConfigFile()
+ {
+ if ($this->user === null) {
+ throw new ProgrammingError('Can\'t load dashboards. User is not set');
+ }
+ return Config::resolvePath('dashboards/' . strtolower($this->user->getUsername()) . '/dashboard.ini');
+ }
+}
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