WebformAnalysisChart.php in Webform Analysis 8

Namespace

Drupal\webform_analysis

File

src/WebformAnalysisChart.php

<?php

namespace Drupal\webform_analysis;

use Drupal\Component\Utility\Crypt;
use Drupal\Core\Entity\EntityInterface;

/**
 * Webform Analysis Chart.
 */
class WebformAnalysisChart implements WebformAnalysisChartInterface {
  protected $entity;
  protected $components;
  protected $chartType;

  /**
   * Construct.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   Entity.
   * @param array $components
   *   Components.
   * @param string $chart_type
   *   Chart Type.
   */
  public function __construct(EntityInterface $entity, array $components = [], $chart_type = '') {
    $this->entity = $entity;
    $this->components = $components;
    $this->chartType = $chart_type;
  }

  /**
   * {@inheritdoc}
   */
  public function build(array &$build = []) {
    if (!$this->entity) {
      return;
    }
    $analysis = new WebformAnalysis($this->entity);
    $build['components_data'] = $this
      ->buildComponentsData();
    $buildComponents =& $build['components_data'];
    $charts = [];
    $header = $this
      ->getHeader();
    foreach ($this->components as $component) {
      $id = $this
        ->createComponentId($component);
      $chart = $this
        ->createChart($id);
      $buildComponents['component__' . $component] = $this
        ->buildComponentData($analysis, $component, $id);
      switch ($chart['type']) {
        case '':
          $buildComponent =& $buildComponents['component__' . $component];
          $buildComponent['#data']['#rows'] = $analysis
            ->getComponentRows($component);
          break;
        case 'PieChart':
          $chart = $this
            ->buildPieChart($analysis, $component, $header) + $chart;
          break;
        default:
          $chart['data'] = $analysis
            ->getComponentRows($component, $header);
          break;
      }
      if ($chart['type'] && $chart['data']) {
        $charts[$id] = $chart;
      }
    }
    $build['#attached']['library'][] = 'webform_analysis/webform_charts';
    if ($charts) {
      $build['#attached'] += $this
        ->buildAttachedSettings($charts);
    }
    $build['#cache'] = [
      'max-age' => 0,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildComponentsData() {
    return [
      '#type' => 'container',
      '#attributes' => [
        'class' => [
          'webform-analysis-data',
        ],
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildComponentData(WebformAnalysisInterface $analysis, $component = '', $id = '') {
    $class_css = 'webform-chart--' . $component;
    return [
      '#theme' => 'webform_analysis_component',
      '#name' => $component,
      '#title' => $analysis
        ->getComponentTitle($component),
      '#data' => [
        '#theme' => 'table',
        '#prefix' => '<div id="' . $id . '" class="' . $class_css . '">',
        '#suffix' => '</div>',
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function createComponentId($component) {
    return 'webform-chart--' . $component . '--' . Crypt::randomBytesBase64(8);
  }

  /**
   * {@inheritdoc}
   */
  public function createChart($id) {
    return [
      'type' => $this->chartType,
      'options' => [],
      'selector' => '#' . $id,
      'data' => [],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getHeader() {
    return [
      'value',
      'total',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildPieChart(WebformAnalysisInterface $analysis, $component = '', array $header = []) {
    $data = $analysis
      ->getComponentRows($component, $header, TRUE);
    $options = count($data) > 2 ? [
      'pieHole' => 0.2,
    ] : [];
    return [
      'options' => $options,
      'data' => $data,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildAttachedSettings(array $charts = []) {
    return [
      'drupalSettings' => [
        'webformcharts' => [
          'packages' => [
            'corechart',
          ],
          'charts' => $charts,
        ],
      ],
    ];
  }

}

Classes

Name	Description
WebformAnalysisChart	Webform Analysis Chart.