From 2ada71aab05805649f97f63ef8d48394e5283a5b Mon Sep 17 00:00:00 2001
From: Neil Blakey-Milner <nbm@knowledgetree.com>
Date: Wed, 27 Jul 2005 09:31:21 +0000
Subject: [PATCH] Add a simple dispatcher mechanism for developing pages.

---
 lib/dispatcher.inc.php | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+), 0 deletions(-)
 create mode 100644 lib/dispatcher.inc.php

diff --git a/lib/dispatcher.inc.php b/lib/dispatcher.inc.php
new file mode 100644
index 0000000..9b7d53d
--- /dev/null
+++ b/lib/dispatcher.inc.php
@@ -0,0 +1,55 @@
+<?php
+
+class KTDispatcher {
+    var $event_var = "action";
+
+    function dispatch () {
+        $method = 'do_main';
+        if (array_key_exists($this->event_var, $_REQUEST)) {
+            $event = $_REQUEST[$this->event_var];
+            if (method_exists($this, 'do_' . $event)) {
+                $method = 'do_' . $event;
+            }
+        }
+
+        $ret = $this->$method();
+        $this->handleOutput($ret);
+    }
+
+    function errorRedirectTo($event, $error_message) {
+        /* $method = 'do_main';
+        if (method_exists($this, 'do_' . $event)) {
+            $method = 'do_' . $event;
+        }*/
+        $_SESSION['KTErrorMessage'][] = $error_message;
+        exit(redirect($_SERVER["PHP_SELF"] . '?action=' . $event));
+        //return $this->$method();
+    }
+
+    function redirectTo($event, $sQuery) {
+        exit(redirect($_SERVER["PHP_SELF"] . '?action=' . $event . "&" . $sQuery));
+    }
+
+    function errorRedirectToMain($error_message) {
+        return $this->errorRedirectTo('main', $error_message);
+    }
+
+    function handleOutput($sOutput) {
+        print $sOutput;
+    }
+}
+
+class KTAdminDispatcher extends KTDispatcher {
+    function permissionDenied () {
+        print "Permission denied";
+    }
+
+    function dispatch () {
+        if (!checkSession()) {
+            exit($this->permissionDenied());
+        }
+        return parent::dispatch();
+    }
+}
+
+?>
--
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