a first very basic implementation of the preview mechanism

1 files changed, 84 insertions, 0 deletions

diff --git a/lib/plugins/styler/action.php b/lib/plugins/styler/action.php
new file mode 100644
index 000000000..648190a2a
--- /dev/null
+++ b/lib/plugins/styler/action.php
@@ -0,0 +1,84 @@
+<?php
+/**
+ * DokuWiki Plugin styler (Action Component)
+ *
+ * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
+ * @author  Andreas Gohr <andi@splitbrain.org>
+ */
+
+// must be run within Dokuwiki
+if(!defined('DOKU_INC')) die();
+
+class action_plugin_styler extends DokuWiki_Action_Plugin {
+
+    /**
+     * Registers a callback function for a given event
+     *
+     * @param Doku_Event_Handler $controller DokuWiki's event controller object
+     * @return void
+     */
+    public function register(Doku_Event_Handler $controller) {
+
+       $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handle_ajax');
+       $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'handle_action');
+
+    }
+
+    /**
+     * [Custom event handler which performs action]
+     *
+     * @param Doku_Event $event  event object by reference
+     * @param mixed      $param  [the parameters passed as fifth argument to register_hook() when this
+     *                           handler was registered]
+     * @return void
+     */
+    public function handle_action(Doku_Event &$event, $param) {
+        $event->data = act_clean($event->data);
+        if($event->data === 'styler_plugin_preview') {
+            msg('handle') ;
+            $event->data = 'show';
+            $this->preview();
+        } elseif ($event->data === 'styler_plugin_save') {
+            $event->data = 'show';
+        }
+    }
+
+    protected function preview(){
+        global $conf;
+        $ini     = $conf['cachedir'].'/preview.ini';
+        io_saveFile($ini, $this->makeini());
+    }
+
+    protected function makeini() {
+        global $INPUT;
+
+        $ini = "[replacements]\n";
+        foreach($INPUT->arr('tpl') as $key => $val) {
+            $ini .= $key .' = "'.addslashes($val).'"'."\n";
+        }
+
+        return $ini;
+    }
+
+    /**
+     * [Custom event handler which performs action]
+     *
+     * @param Doku_Event $event  event object by reference
+     * @param mixed      $param  [the parameters passed as fifth argument to register_hook() when this
+     *                           handler was registered]
+     * @return void
+     */
+
+    public function handle_ajax(Doku_Event &$event, $param) {
+        if($event->data != 'plugin_styler') return;
+        $event->preventDefault();
+        $event->stopPropagation();
+
+        /** @var admin_plugin_styler $hlp */
+        $hlp = plugin_load('admin', 'styler');
+        $hlp->html();
+    }
+
+}
+
+// vim:ts=4:sw=4:et: