charts_api_example.module in Charts 8.3

Charts Api Example - Module.

File

modules/charts_api_example/charts_api_example.module

<?php

/**
 * @file
 * Charts Api Example - Module.
 */
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Component\Plugin\Exception\PluginNotFoundException;

/**
 * Implements hook_help().
 */
function charts_api_example_help($route_name, RouteMatchInterface $route_match) {
  $output = '';
  switch ($route_name) {

    // Main module help for the charts_api_example module.
    case 'help.page.charts_api_example':
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('A simple example on how to interact with the Charts API') . '</p>';
      break;
  }
  return $output;
}

/**
 * Implements hook_theme().
 */
function charts_api_example_theme() {
  return [
    'charts_api_example' => [
      'template' => 'charts_api_example',
      'variables' => [
        'library' => '',
        'categories' => [],
        'seriesData' => [],
        'options' => [],
        'id' => '',
      ],
    ],
  ];
}

/**
 * Implements template_preprocess_hook().
 */
function template_preprocess_charts_api_example(&$variables) {

  // Charts override settings applied at this point.
  $chartOverridePluginManager = \Drupal::service('plugin.manager.charts_override');
  $plugin_definition = [];
  $chartOverrideOptions = [];
  try {
    $plugin_definition = $chartOverridePluginManager
      ->getDefinition($variables['library'] . '_overrides');
    if (!empty($plugin_definition)) {
      $chartOverridePlugin = $chartOverridePluginManager
        ->createInstance($variables['library'] . '_overrides');
      $chartOverrideOptions = $chartOverridePlugin
        ->chartOverrides($variables['options']);
    }
  } catch (PluginNotFoundException $e) {
    \Drupal::service('messenger')
      ->addMessage(t('Exception: @error', [
      '@error',
      $e
        ->getMessage(),
    ]));
  }
  $plugin_manager = \Drupal::service('plugin.manager.charts');
  $plugin = $plugin_manager
    ->createInstance($variables['library']);
  $plugin
    ->buildVariables($variables['options'], $variables['categories'], $variables['seriesData'], [], $variables, $variables['id'], $chartOverrideOptions);
}

Functions

Name	Description
charts_api_example_help	Implements hook_help().
charts_api_example_theme	Implements hook_theme().
template_preprocess_charts_api_example	Implements template_preprocess_hook().