using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using Ajax;
using System.Text;
using System.Web.Caching;
namespace SampleChat
{
/// <summary>
/// Summary description for WebForm1.
/// </summary>
public class Chat : System.Web.UI.Page
{
protected System.Web.UI.HtmlControls.HtmlTableCell TRROOMS;
protected System.Web.UI.HtmlControls.HtmlTableCell TRCHAT;
protected System.Web.UI.HtmlControls.HtmlInputHidden totDivs;
protected System.Data.DataSet dSChat;
protected System.Data.DataTable Rooms;
protected System.Data.DataTable User;
protected System.Data.DataTable Messages;
protected System.Data.DataColumn RoomID;
protected System.Data.DataColumn RoomName;
protected System.Data.DataColumn UserID;
protected System.Data.DataColumn UserName;
protected System.Data.DataColumn MessageRoomID;
protected System.Data.DataColumn MessageUserID;
protected System.Data.DataColumn Message;
protected System.Web.UI.HtmlControls.HtmlGenericControl Public_Rooms;
protected System.Web.UI.HtmlControls.HtmlGenericControl Private_Rooms;
protected System.Web.UI.HtmlControls.HtmlGenericControl Users;
protected System.Data.DataColumn dataColumn1;
protected System.Data.DataTable PrivateRoomUsers;
protected System.Data.DataColumn PrivateRoomID;
protected System.Data.DataColumn PrivateUserID;
protected System.Web.UI.HtmlControls.HtmlTableCell TRUSERS;
private void Page_Load(object sender, System.EventArgs e)
{
Ajax.Utility.RegisterTypeForAjax(typeof(Chat));
if(!Page.IsPostBack)
{
AddUsers();
AddRooms();
if(this.Cache["dSChat"]==null)
{
this.Cache.Add("dSChat",dSChat,null,Cache.NoAbsoluteExpiration,Cache.NoSlidingExpiration,CacheItemPriority.High,null);
}
}
FillPublicRooms();
this.Users.InnerHtml=FillUsers();
}
[Ajax.AjaxMethod(HttpSessionStateRequirement.ReadWrite)]
public Hashtable getMessageHash(string RoomIDs)
{
SetDataSet();
Hashtable ht=new Hashtable();
ht["-TotUsers-"]=FillUsers();
ht["-PrivateRooms-"]=FillPrivateRooms();
string []split=RoomIDs.Split(',');
for(int j=0;j<split.Length-1;j++)
{
ht[split[j]]=dSChat.Tables[2].Select("MessageRoomID='"+split[j]+"'");
}
StringBuilder sb=new StringBuilder();
Ajax.JSON.DefaultConverter.ToJSON(ref sb,ht);
sb.ToString();
return ht;
}
[Ajax.AjaxMethod(HttpSessionStateRequirement.ReadWrite)]
public string PostMessage(string RoomID,string Message)
{
SetDataSet();
dSChat.Tables[2].Rows.Add(new object[]{RoomID,Session["s_userid"],Session["s_Name"].ToString()+" : "+Message});
return Session["s_Name"] as string + " : "+Message;
}
[Ajax.AjaxMethod(HttpSessionStateRequirement.ReadWrite)]
public string CreatePrivateRooms(string RoomID)
{
SetDataSet();
try
{
dSChat.Tables[0].Rows.Add(new Object[]{RoomID.Replace(" ","_"),RoomID,Session["s_userid"].ToString()});
dSChat.Tables[3].Rows.Add(new Object[]{RoomID.Replace(" ","_"),Session["s_userid"].ToString()});
return string.Format("<div id=\"{0}\" name=\"{0}\" ondblclick=\"{1}\" title=\"Double click to Open\">{2}</div>",RoomID.Replace(" ","_"),"addChatRoom(this)",RoomID);
}
catch
{
}
return null;
}
[Ajax.AjaxMethod(HttpSessionStateRequirement.ReadWrite)]
public void AddUsersPrivateRooms(string RoomID,string UserID)
{
SetDataSet();
try
{
dSChat.Tables[3].Rows.Add(new Object[]{RoomID,UserID});
}
catch
{
}
}
[Ajax.AjaxMethod(HttpSessionStateRequirement.ReadWrite)]
public string FillPrivateRooms()
{
StringBuilder StrBuilder=new StringBuilder();
try
{
DataRow []Privaterooms=dSChat.Tables[3].Select("PrivateUserID='"+Session["s_userid"] as string+"'");
foreach(DataRow row in Privaterooms)
{
DataRow Dr=dSChat.Tables[0].Rows.Find(row[0]);
if(Dr!=null)
{
StrBuilder.AppendFormat("<div id=\"{0}\" name=\"{0}\" ondblclick=\"{1}\" title=\"Double click to Open\">{2}</div>",Dr[0],"addChatRoom(this)",Dr[1]);
}
}
return StrBuilder.ToString();
}
catch
{
}
return null;
}
[Ajax.AjaxMethod(HttpSessionStateRequirement.ReadWrite)]
public string FillUsers()
{
StringBuilder StrBuilder=new StringBuilder();
foreach(DataRow Dr in this.dSChat.Tables[1].Rows)
{
StrBuilder.AppendFormat("<div id=\"{0}\" name=\"{0}\">{1}</div>",Dr[0],Dr[1]);
}
return StrBuilder.ToString();
}
public void FillPublicRooms()
{
StringBuilder StrBuilder=new StringBuilder();
foreach(DataRow Dr in this.dSChat.Tables[0].Rows)
{
if(Dr[2].ToString()=="Public")
{
StrBuilder.AppendFormat("<div id=\"{0}\" name=\"{0}\" ondblclick=\"{1}\" title=\"Double click to Open\" style=\"cursor:hand\">{2}</div>",Dr[0],"addChatRoom(this)",Dr[1]);
}
}
this.Public_Rooms.InnerHtml=StrBuilder.ToString();
}
public void SetDataSet()
{
if(System.Web.HttpContext.Current.Cache["dSChat"]!=null)
{
dSChat= System.Web.HttpContext.Current.Cache["dSChat"] as DataSet;
}
}
public void AddUsers()
{
SetDataSet();
if(dSChat.Tables[1].Rows.Find(new Object[]{Session["s_userid"]})==null)
{
dSChat.Tables[1].Rows.Add(new object[]{Session["s_userid"],Session["s_Name"]});
}
}
public void AddRooms()
{
SetDataSet();
if(dSChat.Tables[0].Rows.Find(new Object[]{"Room-1"})==null)
{
dSChat.Tables[0].Rows.Add(new object[]{"Room-1","Room1","Public"});
dSChat.Tables[0].Rows.Add(new object[]{"Room-2","Room2","Public"});
dSChat.Tables[0].Rows.Add(new object[]{"Room-3","Room3","Public"});
dSChat.Tables[0].Rows.Add(new object[]{"Room-4","Room4","Public"});
}
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.dSChat = new System.Data.DataSet();
this.Rooms = new System.Data.DataTable();
this.RoomID = new System.Data.DataColumn();
this.RoomName = new System.Data.DataColumn();
this.dataColumn1 = new System.Data.DataColumn();
this.User = new System.Data.DataTable();
this.UserID = new System.Data.DataColumn();
this.UserName = new System.Data.DataColumn();
this.Messages = new System.Data.DataTable();
this.MessageRoomID = new System.Data.DataColumn();
this.MessageUserID = new System.Data.DataColumn();
this.Message = new System.Data.DataColumn();
this.PrivateRoomUsers = new System.Data.DataTable();
this.PrivateRoomID = new System.Data.DataColumn();
this.PrivateUserID = new System.Data.DataColumn();
((System.ComponentModel.ISupportInitialize)(this.dSChat)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.Rooms)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.User)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.Messages)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.PrivateRoomUsers)).BeginInit();
//
// dSChat
//
this.dSChat.DataSetName = "NewDataSet";
this.dSChat.Locale = new System.Globalization.CultureInfo("en-US");
this.dSChat.Tables.AddRange(new System.Data.DataTable[] {
this.Rooms,
this.User,
this.Messages,
this.PrivateRoomUsers});
//
// Rooms
//
this.Rooms.Columns.AddRange(new System.Data.DataColumn[] {
this.RoomID,
this.RoomName,
this.dataColumn1});
this.Rooms.Constraints.AddRange(new System.Data.Constraint[] {
new System.Data.UniqueConstraint("Constraint1", new string[] {
"RoomID"}, true)});
this.Rooms.PrimaryKey = new System.Data.DataColumn[] {
this.RoomID};
this.Rooms.TableName = "Rooms";
//
// RoomID
//
this.RoomID.AllowDBNull = false;
this.RoomID.ColumnName = "RoomID";
//
// RoomName
//
this.RoomName.ColumnName = "RoomName";
//
// dataColumn1
//
this.dataColumn1.AllowDBNull = false;
this.dataColumn1.ColumnName = "RoomOwner";
//
// User
//
this.User.Columns.AddRange(new System.Data.DataColumn[] {
this.UserID,
this.UserName});
this.User.Constraints.AddRange(new System.Data.Constraint[] {
new System.Data.UniqueConstraint("Constraint1", new string[] {
"UserID"}, true)});
this.User.PrimaryKey = new System.Data.DataColumn[] {
this.UserID};
this.User.TableName = "User";
//
// UserID
//
this.UserID.AllowDBNull = false;
this.UserID.ColumnName = "UserID";
//
// UserName
//
this.UserName.ColumnName = "UserName";
//
// Messages
//
this.Messages.Columns.AddRange(new System.Data.DataColumn[] {
this.MessageRoomID,
this.MessageUserID,
this.Message});
this.Messages.Constraints.AddRange(new System.Data.Constraint[] {
new System.Data.ForeignKeyConstraint("RlnRoomMessage", "Rooms", new string[] {
"RoomID"}, new string[] {
"MessageRoomID"}, System.Data.AcceptRejectRule.None, System.Data.Rule.Cascade, System.Data.Rule.Cascade),
new System.Data.ForeignKeyConstraint("RlnUsermessage", "User", new string[] {
"UserID"}, new string[] {
"MessageUserID"}, System.Data.AcceptRejectRule.None, System.Data.Rule.Cascade, System.Data.Rule.Cascade)});
this.Messages.TableName = "Messages";
//
// MessageRoomID
//
this.MessageRoomID.ColumnName = "MessageRoomID";
//
// MessageUserID
//
this.MessageUserID.ColumnName = "MessageUserID";
//
// Message
//
this.Message.ColumnName = "Message";
//
// PrivateRoomUsers
//
this.PrivateRoomUsers.Columns.AddRange(new System.Data.DataColumn[] {
this.PrivateRoomID,
this.PrivateUserID});
this.PrivateRoomUsers.TableName = "PrivateRoomUsers";
//
// PrivateRoomID
//
this.PrivateRoomID.ColumnName = "PrivateRoomID";
//
// PrivateUserID
//
this.PrivateUserID.ColumnName = "PrivateUserID";
this.Load += new System.EventHandler(this.Page_Load);
((System.ComponentModel.ISupportInitialize)(this.dSChat)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.Rooms)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.User)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.Messages)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.PrivateRoomUsers)).EndInit();
}
#endregion
}
}
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