From dd028bec3822d1d9c28c35d599d687e038c7705f Mon Sep 17 00:00:00 2001
From: wei <>
Date: Thu, 4 Jan 2007 11:23:26 +0000
Subject: Add chat demo and tutorial.

---
 demos/chat/protected/pages/Home.php | 56 +++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 demos/chat/protected/pages/Home.php

(limited to 'demos/chat/protected/pages/Home.php')

diff --git a/demos/chat/protected/pages/Home.php b/demos/chat/protected/pages/Home.php
new file mode 100644
index 00000000..65cb22dc
--- /dev/null
+++ b/demos/chat/protected/pages/Home.php
@@ -0,0 +1,56 @@
+<?php
+
+class Home extends TPage
+{
+	public function onLoad($param)
+	{
+		$username = $this->Application->User->Name;
+		if(!$this->Application->Modules['users']->usernameExists($username))
+		{
+			$auth = $this->Application->Modules['auth'];
+			$auth->logout();
+
+			//redirect to login page.
+			$this->Response->Redirect($this->Service->ConstructUrl($auth->LoginPage));
+		}
+	}
+
+	function processMessage($sender, $param)
+	{
+		if(strlen($this->userinput->Text) > 0)
+		{
+			$record = new ChatBufferRecord();
+			$record->message = $this->userinput->Text;
+			$record->from_user = $this->Application->User->Name;
+			$record->saveMessage();
+			$this->userinput->Text = '';
+			$this->refresh($sender, $param);
+			$this->CallbackClient->focus($this->userinput);
+		}
+	}
+
+	function refresh($sender, $param)
+	{
+		//refresh the message list
+		$content = ChatBufferRecord::finder()->getUserMessages($this->Application->User->Name);
+		if(strlen($content) > 0)
+		{
+			$client = $this->Page->CallbackClient;
+			$anchor = (string)time();
+			$content .= "<a href=\"#\" id=\"{$anchor}\"> </a>";
+			$client->appendContent("messages", $content);
+			$client->focus($anchor);
+		}
+
+		//refresh the user list
+		$lastUpdate = $this->getViewState('userList','');
+		$users = ChatUserRecord::finder()->getUserList();
+		if($lastUpdate != $users)
+		{
+			$this->Page->CallbackClient->update('users', $users);
+			$this->setViewstate('userList', $users);
+		}
+	}
+}
+
+?>
\ No newline at end of file
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