Added support for custom inline images with markdown #10, no more twi…

…g needed!

system/src/Grav/Common/Markdown/Markdown.php

@@ -0,0 +1,13 @@
+<?php
+namespace Grav\Common\Markdown;
+
+class Markdown extends \Parsedown
+{
+    use MarkdownGravLinkTrait;
+
+    function __construct($page)
+    {
+        $this->page = $page;
+    }
+
+}

system/src/Grav/Common/Markdown/MarkdownExtra.php

@@ -0,0 +1,13 @@
+<?php
+namespace Grav\Common\Markdown;
+
+class MarkdownExtra extends \ParsedownExtra
+{
+    use MarkdownGravLinkTrait;
+
+    function __construct($page)
+    {
+        parent::__construct();
+        $this->page = $page;
+    }
+}

system/src/Grav/Common/Markdown/MarkdownGravLinkTrait.php

@@ -0,0 +1,83 @@
+<?php
+namespace Grav\Common\Markdown;
+
+use Grav\Common\Debugger;
+
+/**
+ * A trait to add some custom processing to the identifyLink() method in Parsedown and ParsedownExtra
+ */
+trait MarkdownGravLinkTrait
+{
+
+    protected function identifyLink($Excerpt)
+    {
+        // Run the parent method to get the actual results
+        $Excerpt = parent::identifyLink($Excerpt);
+        $actions = array();
+        $command = '';
+
+        // if this is an image
+        if (isset($Excerpt['element']['attributes']['src'])) {
+
+            $alt = isset($Excerpt['element']['attributes']['alt']) ? $Excerpt['element']['attributes']['alt'] : '';
+            $title = isset($Excerpt['element']['attributes']['title']) ? $Excerpt['element']['attributes']['title'] : '';
+
+            //get the url and parse it
+            $url = parse_url(htmlspecialchars_decode($Excerpt['element']['attributes']['src']));
+
+            // if there is a query, then parse it and build action calls
+            if (isset($url['query'])) {
+                parse_str($url['query'], $actions);
+
+                foreach ($actions as $action => $params) {
+                    // ignore any url or html actions
+                    if (!in_array($action, ['html','url']))
+                    $command .= '->' . $action . '(' . $params . ')';
+                }
+            }
+
+            // if there is no host set but there is a path, the file is local
+            if (!isset($url['host']) && isset($url['path'])) {
+                // get the media objects for this page
+                $media = $this->page->media();
+
+                // if there is a media file that matches the path referenced..
+                if (isset($media->images()[$url['path']])) {
+                    // get the medium object
+                    $medium = $media->images()[$url['path']];
+
+                    // unless one of the actions is lightbox method get the url
+                    if (!isset($actions['lightbox'])) {
+                        $command .= '->url()';
+                    } else {
+                        $command .= '->lightboxRaw()';
+                    }
+
+                    // evaluate the commands to run against the media object
+                    eval ('$src = $medium'.$command.';');
+
+                    // set the src element with the new generated url
+                    if (!isset($actions['lightbox']) && !is_array($src)) {
+                        $Excerpt['element']['attributes']['src'] = $src;
+                    } else {
+
+                        // Create the custom lightbox element
+                        $Element = array(
+                            'name' => 'a',
+                            'attributes' => array('rel' => $src['a_rel'], 'href' => $src['a_url']),
+                            'handler' => 'element',
+                            'text' => array(
+                                'name' => 'img',
+                                'attributes' => array('src' => $src['img_url'], 'alt' => $alt, 'title' => $title)
+                            ),
+                        );
+
+                        // Set the lightbox element on the Excerpt
+                        $Excerpt['element'] = $Element;
+                    }
+                }
+            }
+        }
+        return $Excerpt;
+    }
+}

system/src/Grav/Common/Page/Medium.php

@@ -202,6 +202,15 @@ public function lightbox($width = null, $height = null)
         return $this->link($width, $height);
     }
 
+    public function lightboxRaw($width = null, $height = null)
+    {
+        $url = $this->url();
+        $this->link($width, $height);
+        $lightbox_url = self::$grav['config']->get('system.base_url_relative') . '/'. $this->linkTarget;
+
+        return array('a_url' => $lightbox_url, 'a_rel' => 'lightbox', 'img_url' => $url);
+    }
+
     /**
      * Return link HTML for the medium.
      *

system/src/Grav/Common/Page/Page.php

@@ -12,6 +12,8 @@
 use Grav\Common\Uri;
 use Grav\Common\Grav;
 use Grav\Common\Taxonomy;
+use Grav\Common\Markdown\Markdown;
+use Grav\Common\Markdown\MarkdownExtra;
 use Grav\Component\EventDispatcher\Event;
 use Symfony\Component\Yaml\Yaml;
 
@@ -272,6 +274,9 @@ public function content($var = null)
         // If no content, process it
         if ($this->content === null) {
 
+            // Get media
+            $this->media();
+
             // Load cached content
             /** @var Cache $cache */
             $cache = self::$grav['cache'];
@@ -319,7 +324,6 @@ public function content($var = null)
 
             $this->content = $content;
 
-            $this->media();
         }
 
         return $this->content;
@@ -1514,9 +1518,9 @@ protected function parseMarkdownContent($content)
         /** @var Config $config */
         $config = self::$grav['config'];
         if ($config->get('system.pages.markdown_extra')) {
-            $parsedown = new \ParsedownExtra();
+            $parsedown = new MarkdownExtra($this);
         } else {
-            $parsedown = new \Parsedown();
+            $parsedown = new Markdown($this);
         }
         $content = $parsedown->parse($content);
         return $content;

vendor/autoload.php

@@ -4,4 +4,4 @@
 
 require_once __DIR__ . '/composer' . '/autoload_real.php';
 
-return ComposerAutoloaderInit7a18ce01239c69086e27f1d973d24372::getLoader();
+return ComposerAutoloaderInit647726739e1bb1c8f9d4883b25b63e16::getLoader();

vendor/composer/autoload_classmap.php

@@ -48,6 +48,9 @@
     'Grav\\Common\\GravTrait' => $baseDir . '/system/src/Grav/Common/GravTrait.php',
     'Grav\\Common\\Inflector' => $baseDir . '/system/src/Grav/Common/Inflector.php',
     'Grav\\Common\\Iterator' => $baseDir . '/system/src/Grav/Common/Iterator.php',
+    'Grav\\Common\\Markdown\\Markdown' => $baseDir . '/system/src/Grav/Common/Markdown/Markdown.php',
+    'Grav\\Common\\Markdown\\MarkdownExtra' => $baseDir . '/system/src/Grav/Common/Markdown/MarkdownExtra.php',
+    'Grav\\Common\\Markdown\\MarkdownGravLinkTrait' => $baseDir . '/system/src/Grav/Common/Markdown/MarkdownGravLinkTrait.php',
     'Grav\\Common\\Page\\Collection' => $baseDir . '/system/src/Grav/Common/Page/Collection.php',
     'Grav\\Common\\Page\\Media' => $baseDir . '/system/src/Grav/Common/Page/Media.php',
     'Grav\\Common\\Page\\Medium' => $baseDir . '/system/src/Grav/Common/Page/Medium.php',

vendor/composer/autoload_real.php

@@ -2,7 +2,7 @@
 
 // autoload_real.php @generated by Composer
 
-class ComposerAutoloaderInit7a18ce01239c69086e27f1d973d24372
+class ComposerAutoloaderInit647726739e1bb1c8f9d4883b25b63e16
 {
     private static $loader;
 
@@ -19,9 +19,9 @@ public static function getLoader()
             return self::$loader;
         }
 
-        spl_autoload_register(array('ComposerAutoloaderInit7a18ce01239c69086e27f1d973d24372', 'loadClassLoader'), true, true);
+        spl_autoload_register(array('ComposerAutoloaderInit647726739e1bb1c8f9d4883b25b63e16', 'loadClassLoader'), true, true);
         self::$loader = $loader = new \Composer\Autoload\ClassLoader();
-        spl_autoload_unregister(array('ComposerAutoloaderInit7a18ce01239c69086e27f1d973d24372', 'loadClassLoader'));
+        spl_autoload_unregister(array('ComposerAutoloaderInit647726739e1bb1c8f9d4883b25b63e16', 'loadClassLoader'));
 
         $map = require __DIR__ . '/autoload_namespaces.php';
         foreach ($map as $namespace => $path) {
@@ -42,14 +42,14 @@ public static function getLoader()
 
         $includeFiles = require __DIR__ . '/autoload_files.php';
         foreach ($includeFiles as $file) {
-            composerRequire7a18ce01239c69086e27f1d973d24372($file);
+            composerRequire647726739e1bb1c8f9d4883b25b63e16($file);
         }
 
         return $loader;
     }
 }
 
-function composerRequire7a18ce01239c69086e27f1d973d24372($file)
+function composerRequire647726739e1bb1c8f9d4883b25b63e16($file)
 {
     require $file;
 }