BarChartWidget.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Dashboard\Widgets;
 
use ‪TYPO3\CMS\Fluid\View\StandaloneView;
 
class ‪BarChartWidget implements ‪WidgetInterface, ‪EventDataInterface, ‪AdditionalCssInterface, ‪RequireJsModuleInterface
{
    private ‪$configuration;
 
    private ‪$dataProvider;
 
    private ‪$view;
 
    private ‪$buttonProvider;
 
    private ‪$options;
 
    public function ‪__construct(
        ‪WidgetConfigurationInterface ‪$configuration,
        ‪ChartDataProviderInterface ‪$dataProvider,
        ‪StandaloneView ‪$view,
        ‪$buttonProvider = null,
        array ‪$options = []
    ) {
        $this->configuration = ‪$configuration;
        $this->dataProvider = ‪$dataProvider;
        $this->view = ‪$view;
        $this->options = ‪$options;
        $this->buttonProvider = ‪$buttonProvider;
    }
 
    public function ‪renderWidgetContent(): string
    {
        $this->view->setTemplate('Widget/ChartWidget');
        $this->view->assignMultiple([
            'button' => $this->buttonProvider,
            'options' => $this->options,
            'configuration' => $this->configuration,
        ]);
        return $this->view->render();
    }
 
    public function ‪getEventData(): array
    {
        return [
            'graphConfig' => [
                'type' => 'bar',
                'options' => [
                    'maintainAspectRatio' => false,
                    'legend' => [
                        'display' => false,
                    ],
                    'scales' => [
                        'yAxes' => [
                            [
                                'ticks' => [
                                    'beginAtZero' => true,
                                ],
                            ],
                        ],
                        'xAxes' => [
                            [
                                'ticks' => [
                                    'maxTicksLimit' => 15,
                                ],
                            ],
                        ],
                    ],
                ],
                'data' => $this->dataProvider->getChartData(),
            ],
        ];
    }
 
    public function ‪getCssFiles(): array
    {
        return ['EXT:dashboard/Resources/Public/Css/Contrib/chart.css'];
    }
 
    public function ‪getRequireJsModules(): array
    {
        return [
            'TYPO3/CMS/Dashboard/Contrib/chartjs',
            'TYPO3/CMS/Dashboard/ChartInitializer',
        ];
    }
}