diff options
Diffstat (limited to 'Core/web_chat.lua')
| -rw-r--r-- | Core/web_chat.lua | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/Core/web_chat.lua b/Core/web_chat.lua new file mode 100644 index 000000000..dfb17091e --- /dev/null +++ b/Core/web_chat.lua @@ -0,0 +1,157 @@ +local CHAT_HISTORY = 50 +local LastMessageID = 0 + +local JavaScript = [[ + <script type="text/javascript"> + function createXHR() + { + var request = false; + try { + request = new ActiveXObject('Msxml2.XMLHTTP'); + } + catch (err2) { + try { + request = new ActiveXObject('Microsoft.XMLHTTP'); + } + catch (err3) { + try { + request = new XMLHttpRequest(); + } + catch (err1) { + request = false; + } + } + } + return request; + } + + function OpenPage( url, postParams, callback ) + { + var xhr = createXHR(); + xhr.onreadystatechange=function() + { + if (xhr.readyState == 4) + { + callback( xhr ) + } + }; + xhr.open( (postParams!=null)?"POST":"GET", url , true); + if( postParams != null ) + { + xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); + } + xhr.send(postParams); + } + + function LoadPageInto( url, postParams, storage ) + { + OpenPage( url, postParams, function( xhr ) + { + var ScrollBottom = storage.scrollTop + storage.offsetHeight; + var bAutoScroll = (ScrollBottom >= storage.scrollHeight); // Detect whether we scrolled to the bottom of the div + + results = xhr.responseText.split("<<divider>>"); + if( results[2] != LastMessageID ) return; // Check if this message was meant for us + + LastMessageID = results[1]; + if( results[0] != "" ) + { + storage.innerHTML += results[0]; + + if( bAutoScroll == true ) + { + storage.scrollTop = storage.scrollHeight; + } + } + } ); + + + return false; + } + + function SendChatMessage() + { + var MessageContainer = document.getElementById('ChatMessage'); + if( MessageContainer.value == "" ) return; + + var postParams = "ChatMessage=" + MessageContainer.value; + OpenPage( "/~webadmin/Core/Chat/", postParams, function( xhr ) + { + RefreshChat(); + } ); + MessageContainer.value = ""; + } + + function RefreshChat() + { + var postParams = "JustChat=true&LastMessageID=" + LastMessageID; + LoadPageInto("/~webadmin/Core/Chat/", postParams, document.getElementById('ChatDiv')); + } + + setInterval(RefreshChat, 1000); + window.onload = RefreshChat; + + var LastMessageID = 0; + + </script> +]] + +local ChatLogMessages = {} + +function AddMessage( PlayerName, Message ) + LastMessageID = LastMessageID + 1 + table.insert( ChatLogMessages, { name = PlayerName, message = Message, id = LastMessageID } ) + while( #ChatLogMessages > CHAT_HISTORY ) do + table.remove( ChatLogMessages, 1 ) + end +end + +function OnChat( Player, Message ) + AddMessage( Player:GetName(), Message ) +end + +function HandleRequest_Chat( Request ) + if( Request.PostParams["JustChat"] ~= nil ) then + local LastIdx = 0 + if( Request.PostParams["LastMessageID"] ~= nil ) then LastIdx = tonumber( Request.PostParams["LastMessageID"] ) end + local Content = "" + for key, value in pairs(ChatLogMessages) do + if( value.id > LastIdx ) then + Content = Content .. "[" .. value.name .. "]: " .. value.message .. "<br>" + end + end + Content = Content .. "<<divider>>" .. LastMessageID .. "<<divider>>" .. LastIdx + return Content + end + + if( Request.PostParams["ChatMessage"] ~= nil ) then + if( Request.PostParams["ChatMessage"] == "/help" ) then + Commands = "Available commands" + AddMessage(Commands, "<br>" .. "/help, /reload" ) + return Commands + elseif( Request.PostParams["ChatMessage"] == "/reload" ) then + Server = cRoot:Get():GetServer() + Server:SendMessage( cChatColor.Green .. "Reloading all plugins." ) + AddMessage("Reloading all plugins", "") + cRoot:Get():GetPluginManager():ReloadPlugins() + return "" + else + cmd = Request.PostParams["ChatMessage"] + if string.sub(cmd,1,string.len("/")) == "/" then + AddMessage('Unknown Command "' .. Request.PostParams["ChatMessage"] .. '"', "") + return "" + end + end + local Message = "[WebAdmin]: " .. Request.PostParams["ChatMessage"] + cRoot:Get():GetServer():SendMessage( Message ) + AddMessage("WebAdmin", Request.PostParams["ChatMessage"] ) + return "" + end + + local Content = JavaScript + Content = Content .. [[ + <div style="font-family: Courier; border: 1px solid #DDD; padding: 10px; width: 97%; height: 200px; overflow: scroll;" id="ChatDiv"></div> + <input type="text" id="ChatMessage" onKeyPress="if (event.keyCode == 13) { SendChatMessage(); }"><input type="submit" value="Submit" onClick="SendChatMessage();"> + ]] + return Content +end
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