get start the project management page:

projects list is based on WP_List_Table
Add new porject is working, we are using server side validation.

wp-trac-client/admin-manager.php

@@ -1,3 +1,37 @@
+<?php
+// load context.
+$pm_context = wptc_widget_pm_context();
+?>
+
 <div class='wrap'>
-  <h2>WordPress Trac Client - Management</h2>
+
+<?php
+// handle submit
+wptc_handle_pm_submit($pm_context);
+
+switch($pm_context['action']) {
+    case 'newproject':
+        wptc_widget_new_project();
+        break;
+    case 'list':
+    default:
+        wptc_widget_projects_list();
+        break;
+}
+?>
+
+<?php
+if ($DEBUG) {
+  global $wptc_db_version;
+  //wptc_create_tables();
+  $file = __FILE__;
+  $path = MY_PLUGIN_PATH;
+  $filename = basename(__FILE__);
+  echo <<<EOT
+  <p>$wptc_db_version</p>
+  <p>file: $file, basename: $filename</p>
+  <p>MY_PLUGIN_PATH: {$path}</p>
+EOT;
+}
+?>  
 </div>

wp-trac-client/admin-settings.php

@@ -1,5 +1,6 @@
 <?php
 
+wp_enqueue_script("wp_ajax_response");
 $DEBUG = False;
 
 if (isset($_POST['wptc_settings_form_submit']) &&

wp-trac-client/admin-tags.php

@@ -0,0 +1,92 @@
+<?php
+
+function wptc_logging($msg) {
+
+    // TODO: this should never go prodcution!
+    $DEBUG = false;
+    if($DEBUG) {
+        $logfile = fopen(ABSPATH . 'logging.log', "a");
+        // time stamp
+        fwrite($logfile, $msg . "\n"); 
+        fclose($logfile);
+    }
+}
+
+/**
+ * create database tables for the project management
+ * if force create tables, all data will be droped.
+ * default is NOT force to create tables.
+ */
+function wptc_create_tables($force=false) {
+
+    require_once(ABSPATH . "wp-admin/includes/upgrade.php");
+
+    // the project table.
+    $sql = "CREATE TABLE " . WPTC_PROJECT . " (
+        id mediumint(9) not null auto_increment,
+        name varchar(100) not null,
+        description varchar(512) not null default '',
+        PRIMARY  KEY  (id),
+        KEY name (name)
+    );";
+    wptc_logging("create project table: " . $sql);
+    dbDelta($sql);
+
+    // the project metadata table.
+    // the type will be one of [milestone, version]
+    $sql = "CREATE TABLE " . WPTC_PROJECT_METADATA . " (
+        id mediumint(9) not null auto_increment,
+        name varchar(100) not null, 
+        project_id mediumint(9) not null,
+        type varchar(64) not null,
+        description varchar(512) not null default '',
+        due_date datetime not null default '0000-00-00 00:00:00',
+        PRIMARY  KEY  (id),
+        KEY id (id)
+    );";
+    wptc_logging("crate project metadata table: ". $sql);
+    dbDelta($sql);
+}
+
+/**
+ * return all projects 
+ */
+function wptc_get_projects() {
+
+    global $wpdb;
+
+    $query = "select * from " . WPTC_PROJECT;
+    $projects = $wpdb->get_results($query, ARRAY_A);
+    return $projects;
+}
+
+function wptc_add_project($name, $description) {
+
+    global $wpdb;
+
+    $success = $wpdb->insert(
+        WPTC_PROJECT,
+        array(
+            'name' => $name,
+            'description' => $description
+        ),
+        array(
+            '%s',
+            '%s'
+        )
+    );
+
+    return $success;
+}
+
+function wptc_get_project($name) {
+
+    global $wpdb;
+
+    $query = "select * from " . WPTC_PROJECT . 
+             " where name = %s";
+    $query = $wpdb->prepare($query, $name);
+    $project = $wpdb->get_row($query, ARRAY_A);
+
+    return $project;
+}