Initial commit

content/inc/Action/Redirect.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace dokuwiki\Action;
+
+use dokuwiki\Action\Exception\ActionAbort;
+use dokuwiki\Extension\Event;
+
+/**
+ * Class Redirect
+ *
+ * Used to redirect to the current page with the last edited section as a target if found
+ *
+ * @package dokuwiki\Action
+ */
+class Redirect extends AbstractAliasAction {
+
+    /**
+     * Redirect to the show action, trying to jump to the previously edited section
+     *
+     * @triggers ACTION_SHOW_REDIRECT
+     * @throws ActionAbort
+     */
+    public function preProcess() {
+        global $PRE;
+        global $TEXT;
+        global $INPUT;
+        global $ID;
+        global $ACT;
+
+        $opts = array(
+            'id' => $ID,
+            'preact' => $ACT
+        );
+        //get section name when coming from section edit
+        if($INPUT->has('hid')) {
+            // Use explicitly transmitted header id
+            $opts['fragment'] = $INPUT->str('hid');
+        } else if($PRE && preg_match('/^\s*==+([^=\n]+)/', $TEXT, $match)) {
+            // Fallback to old mechanism
+            $check = false; //Byref
+            $opts['fragment'] = sectionID($match[0], $check);
+        }
+
+        // execute the redirect
+        Event::createAndTrigger('ACTION_SHOW_REDIRECT', $opts, array($this, 'redirect'));
+
+        // should never be reached
+        throw new ActionAbort('show');
+    }
+
+    /**
+     * Execute the redirect
+     *
+     * Default action for ACTION_SHOW_REDIRECT
+     *
+     * @param array $opts id and fragment for the redirect and the preact
+     */
+    public function redirect($opts) {
+        $go = wl($opts['id'], '', true, '&');
+        if(isset($opts['fragment'])) $go .= '#' . $opts['fragment'];
+
+        //show it
+        send_redirect($go);
+    }
+}