class AxesTime in Flot 8

Display a chart to demontrate date/time handling on the axes.

Hierarchy

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

File

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

Namespace

Drupal\flot_examples\Controller

class AxesTime extends ControllerBase {

  /**
   * Time Axes.
   */
  public function content() {
    $d[] = $this::getData('CO2.txt');
    $options = [
      "xaxis" => [
        "mode" => "time",
      ],
    ];
    $text = [];
    $text[] = $this
      ->t('Monthly mean atmospheric CO<sub>2</sub> in PPM at Mauna Loa, Hawaii (source: <a href=":one">NOAA/ESRL</a>).', [
      ':one' => 'http://www.esrl.noaa.gov/gmd/ccgg/trends/',
    ]);
    $text[] = $this
      ->t('If you tell Flot that an axis represents time, the data will be interpreted as timestamps and the ticks adjusted and formatted accordingly.');
    $text[] = [
      [
        '#type' => 'button',
        '#value' => $this
          ->t('Whole Period'),
        '#attributes' => [
          'id' => [
            'whole',
          ],
        ],
        '#label' => $this
          ->t('Zoom to:'),
      ],
      [
        '#type' => 'button',
        '#value' => $this
          ->t('1990-2000'),
        '#attributes' => [
          'id' => [
            'nineties',
          ],
        ],
      ],
      [
        '#type' => 'button',
        '#value' => $this
          ->t('1996-2000'),
        '#attributes' => [
          'id' => [
            'latenineties',
          ],
        ],
      ],
    ];
    $text[] = [
      [
        '#type' => 'button',
        '#value' => $this
          ->t('1999 by quarter'),
        '#attributes' => [
          'id' => [
            'ninetyninequarters',
          ],
        ],
        '#label' => $this
          ->t('Zoom to:'),
      ],
      [
        '#type' => 'button',
        '#value' => $this
          ->t('1999 by month'),
        '#attributes' => [
          'id' => [
            'ninetynine',
          ],
        ],
      ],
      [
        '#type' => 'button',
        '#value' => $this
          ->t('Last week of 1999'),
        '#attributes' => [
          'id' => [
            'lastweekninetynine',
          ],
        ],
      ],
      [
        '#type' => 'button',
        '#value' => $this
          ->t('Dec. 31, 1999'),
        '#attributes' => [
          'id' => [
            'lastdayninetynine',
          ],
        ],
      ],
    ];
    $text[] = $this
      ->t('The timestamps must be specified as Javascript timestamps, as milliseconds since January 1, 1970 00:00. This is like Unix timestamps, but in milliseconds instead of seconds (remember to multiply with 1000!).');
    $text[] = $this
      ->t('As an extra caveat, the timestamps are interpreted according to UTC and, by default, displayed as such. You can set the axis "timezone" option to "browser" to display the timestamps in the user\'s timezone, or, if you use timezoneJS, you can specify a time zone.');
    $output['flot'] = [
      '#type' => 'flot',
      '#data' => $d,
      '#options' => $options,
      '#theme' => 'flot_examples',
      '#text' => $text,
      '#attached' => [
        'library' => [
          'flot_examples/axes_time',
        ],
      ],
    ];
    return $output;
  }

  /**
   * Fetch the raw data from the data file.
   */
  private function getData($filename) {
    $file_path = DRUPAL_ROOT . '/' . drupal_get_path('module', 'flot_examples') . '/src/Controller/' . $filename;
    $file = fopen($file_path, "r") or die("Unable to open file: {$file_path}");
    $data = [];
    while (!feof($file)) {
      $line = fgets($file);
      $values = explode(', ', $line);
      if (count($values) == 2) {
        $data[] = [
          $values[0],
          $values[1],
        ];
      }
    }
    fclose($file);
    return $data;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AxesTime::content	public	function	Time Axes.
AxesTime::getData	private	function	Fetch the raw data from the data file.
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.
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.