class SeriesToggle in Flot 8

Display a chart demonstrating hiding series.

Hierarchy

• class \Drupal\Core\Controller\ControllerBase implements ContainerInjectionInterface uses LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\flot_examples\Controller\SeriesToggle

File

flot_examples/src/Controller/SeriesToggle.php, line 10

Namespace

Drupal\flot_examples\Controller

class SeriesToggle extends ControllerBase {

  /**
   * Function seriesToggle.
   */
  public function content() {
    $data = $this::getData();
    $data['usa']['label'] = $this
      ->t('USA');
    $data['russia']['label'] = $this
      ->t('Russia');
    $data['uk']['label'] = $this
      ->t('UK');
    $data['germany']['label'] = $this
      ->t('Germany');
    $data['denmark']['label'] = $this
      ->t('Demmark');
    $data['sweden']['label'] = $this
      ->t('Sweden');
    $data['norway']['label'] = $this
      ->t('Norway');
    $options = [
      'yaxis' => [
        'min' => 0,
      ],
      'xaxis' => [
        'tickDecimals' => 0,
      ],
    ];
    $text = [];
    $array = [
      ':one' => 'http://www.sipri.org/',
    ];
    $text[] = $this
      ->t('This example shows military budgets for various countries in constant (2005) million US dollars (source: <a href=":one">SIPRI</a>).', $array);
    $text[] = $this
      ->t("Since all data is available client-side, it's pretty easy to make the plot interactive. Try turning countries on and off with the checkboxes next to the plot.");
    $output['flot'] = [
      '#type' => 'flot',
      '#theme' => 'flot_examples_series_toggle',
      '#options' => $options,
      '#data' => $data,
      '#text' => $text,
    ];
    return $output;
  }

  /**
   * Fetch the data from the raw text file.
   */
  private function getData() {
    $file_path = DRUPAL_ROOT . '/' . drupal_get_path('module', 'flot_examples') . '/src/Controller/MilitaryData.txt';
    $file = fopen($file_path, "r") or die("Unable to open file: {$file_path}");
    $countries = [
      'usa',
      'russia',
      'uk',
      'germany',
      'denmark',
      'sweden',
      'norway',
    ];
    $data = [];
    while (!feof($file)) {
      $line = fgets($file);
      $values = explode(', ', $line);
      if (count($values) > 1) {
        $year = $values[0];
        foreach ($countries as $key => $country) {
          if ($values[$key + 1] != "") {
            $data[$country]['data'][] = [
              $year,
              $values[$key + 1],
            ];
          }
        }
      }
    }
    fclose($file);
    return $data;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ControllerBase::$configFactory	protected	property	The configuration factory.
ControllerBase::$currentUser	protected	property	The current user service.	1
ControllerBase::$entityFormBuilder	protected	property	The entity form builder.
ControllerBase::$entityManager	protected	property	The entity manager.
ControllerBase::$entityTypeManager	protected	property	The entity type manager.
ControllerBase::$formBuilder	protected	property	The form builder.	2
ControllerBase::$keyValue	protected	property	The key-value storage.	1
ControllerBase::$languageManager	protected	property	The language manager.	1
ControllerBase::$moduleHandler	protected	property	The module handler.	2
ControllerBase::$stateService	protected	property	The state service.
ControllerBase::cache	protected	function	Returns the requested cache bin.
ControllerBase::config	protected	function	Retrieves a configuration object.
ControllerBase::container	private	function	Returns the service container.
ControllerBase::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	40
ControllerBase::currentUser	protected	function	Returns the current user.	1
ControllerBase::entityFormBuilder	protected	function	Retrieves the entity form builder.
ControllerBase::entityManager Deprecated	protected	function	Retrieves the entity manager service.
ControllerBase::entityTypeManager	protected	function	Retrieves the entity type manager.
ControllerBase::formBuilder	protected	function	Returns the form builder service.	2
ControllerBase::keyValue	protected	function	Returns a key/value storage collection.	1
ControllerBase::languageManager	protected	function	Returns the language manager service.	1
ControllerBase::moduleHandler	protected	function	Returns the module handler.	2
ControllerBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
ControllerBase::state	protected	function	Returns the state storage service.
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator Deprecated	protected	function	Returns the link generator.
LinkGeneratorTrait::l Deprecated	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated	public	function	Sets the link generator service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
SeriesToggle::content	public	function	Function seriesToggle.
SeriesToggle::getData	private	function	Fetch the data from the raw text file.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated	protected	function	Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated	public	function	Sets the URL generator service.
UrlGeneratorTrait::url Deprecated	protected	function	Generates a URL or path for a specific route based on the given parameters.