DashboardPanelNumber.module

<?php namespace Daun\Dashboard;

use NumberFormatter;
use function ProcessWire\__;

// Include abstract panel base class
require_once dirname(__DIR__).'/Dashboard/DashboardPanel.class.php';

class DashboardPanelNumber extends DashboardPanel
{
    public static function getModuleInfo()
    {
        return array_merge(
            parent::getModuleInfo(),
            [
                'title'    => __('Dashboard Panel: Number', __FILE__),
                'summary'  => __('Display a single number with trend indicator', __FILE__),
                'author'   => 'Philipp Daun',
                'version'  => '1.0.3',
            ]
        );
    }

    public function getIcon()
    {
        return 'bar-chart';
    }

    public function getContent()
    {
        return $this->view('panels/number', [
            'number' => $this->number,
            'detail' => $this->detail,
            'trend'  => $this->data['trend'] ?? null,
        ]);
    }

    public function setup()
    {
        parent::setup();
        $this->locale = $this->data['locale'] ?? setlocale(LC_ALL, 0);
        $this->detail = $this->data['detail'] ?? '';
        $this->number = $this->data['number'] ?? null;
        if (is_int($this->number) || is_float($this->number)) {
            $this->number = $this->formatNumber($this->number);
        }
    }

    private function formatNumber($number)
    {
        $formatted = $number;

        try {
            $style = NumberFormatter::DECIMAL;
            $formatter = new NumberFormatter($this->locale, $style);
            $formatted = $formatter->format($number);
        } catch (\Throwable $th) {
            $this->setTemporaryLocale();
            $locale = localeconv();
            $decimals = $this->getNumberOfDecimals($number);
            $formatted = number_format($number, $decimals, $locale['decimal_point'], $locale['thousands_sep']);
            $this->restoreLocales();
        }

        return $formatted;
    }

    private function getNumberOfDecimals($value)
    {
        if ((int) $value == $value) {
            return 0;
        } elseif (!is_numeric($value)) {
            return 0;
        }
        $str = rtrim(number_format($value, 14 - log10($value)), '0');

        return strlen($str) - strrpos($str, '.') - 1;
    }

    private function setTemporaryLocale()
    {
        if ($this->locale) {
            $this->originalLocales = explode(';', setlocale(LC_ALL, 0));
            setlocale(LC_ALL, $this->locale);
        }
    }

    private function restoreLocales()
    {
        if ($this->locale && $this->originalLocales) {
            foreach ($this->originalLocales as $localeSetting) {
                if (strpos($localeSetting, '=') !== false) {
                    list($category, $locale) = explode('=', $localeSetting);
                } else {
                    $category = LC_ALL;
                    $locale = $localeSetting;
                }
                setlocale($category, $locale);
            }
        }
    }
}