Add credits page

src/Netzmacht/Contao/Leaflet/Backend/Credits.php

@@ -0,0 +1,93 @@
+<?php
+
+/**
+ * @package    dev
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2015 netzmacht creative David Molineus
+ * @license    LGPL 3.0
+ * @filesource
+ *
+ */
+
+namespace Netzmacht\Contao\Leaflet\Backend;
+
+
+class Credits
+{
+    public function generate()
+    {
+        $template = new \BackendTemplate('be_leaflet_credits');
+
+        $template->headline     = 'Leaftlet maps integration for Contao CMS';
+        $template->libraries    = $this->getLibraries();
+
+        list($template->version, $template->dependencies) = $this->extractFromComposer();
+
+        return $template->parse();
+    }
+
+    private function getLibraries()
+    {
+        return array_map(
+            function ($library) {
+                $library = array_merge(
+                    array(
+                        'homepage' => null,
+                        'version'  => null,
+                    ),
+                    $library
+                );
+
+                if ($library['homepage']) {
+                    $library['homepage'] = sprintf(
+                        '<a href="%s" %s>%s</a>',
+                        $library['homepage'],
+                        LINK_NEW_WINDOW,
+                        preg_replace('#^(https?://(www)?)#i', '', $library['homepage'])
+                    );
+                }
+
+                return $library;
+            },
+            array_filter(
+                $GLOBALS['LEAFLET_LIBRARIES'],
+                function ($library) {
+                    return isset($library['name']) && isset($library['license']);
+                }
+            )
+        );
+    }
+
+    private function extractFromComposer()
+    {
+        $local    = TL_ROOT . '/composer/vendor/netzmacht/contao-leaflet-maps/composer.json';
+        $composer = TL_ROOT . '/composer/composer.lock';
+
+        if (!file_exists($local)) {
+            return array();
+        }
+
+        $local     = json_decode(file_get_contents($local), true);
+        $installed = json_decode(file_get_contents($composer), true);
+        $deps      = array();
+        $version   = null;
+
+        foreach ($installed['packages'] as $package) {
+            if ($package['name'] === 'netzmacht/contao-leaflet-maps') {
+                $version = $package['version'];
+            } elseif (isset($local['require'][$package['name']])) {
+                $deps[] = array(
+                    'name'     => $package['name'],
+                    'version'  => $package['version'],
+                    'license'  => !empty($package['license']) ? implode(', ', $package['license']) : '',
+                    'homepage' => sprintf(
+                        '<a href="https://packagist.org/packages/%s" target="_blank">Visit packagist</a>',
+                        $package['name']
+                    )
+                );
+            }
+        }
+
+        return array($version, $deps);
+    }
+}

src/Netzmacht/Contao/Leaflet/Subscriber/BootSubscriber.php

@@ -94,7 +94,7 @@ class BootSubscriber implements EventSubscriberInterface
     {
         $builder = $event->getBuilder();
 
-        foreach ($GLOBALS['LEAFLET_ASSETS'] as $name => $assets) {
+        foreach ($GLOBALS['LEAFLET_LIBRARIES'] as $name => $assets) {
             if (!empty($assets['css'])) {
                 list ($source, $type) = (array) $assets['css'];
                 $builder->registerStylesheet($name, $source, $type ?: Assets::TYPE_FILE);