protected void Back_Click(object o, EventArgs e)
{
WebBackEnd remoteObj = (WebBackEnd)Session["RemObj"];
//if (IsPostBack && HttpContext.Current.Session.IsNewSession)
if (remoteObj == null)
{
Output.Text = enableSessionMsg;
Back.Visible = Forward.Visible = GlobalSearchCheckBox.Visible = false;
return;
}
if ((remoteObj == null) || !(remoteObj.allowGlobalAccess || isLocalReq()))
{
Output.Text = localReqOnlyMsg;
Back.Visible = Forward.Visible = GlobalSearchCheckBox.Visible = false;
sourceList.Enabled = SearchBox.Enabled = Search.Enabled = false;
return;
}
string sessId = Session.SessionID;
SearchBox.Text = (string)Session["SearchString"];
sourceList.SelectedValue = (string)Session["Source"];
//if (remoteObj == null) { Output.Text = NO_RESULTS; return; }
string response = "";
try {
response = convertUrls(remoteObj.doBack(sessId));
}
catch (Exception ex)
{
response = "Exception in WebBackEnd:doBack method\n";
Console.WriteLine("WebFrontEnd: Caught Exception in WebBackEnd:doBack()\n" + ex.Message);
}
Session["ResultsOnDisplay"] = Output.Text = HeaderMsg + response;
GlobalSearchCheckBox.Checked = (bool)Session["GlobalCheckBox"];
Back.Enabled = (remoteObj != null) && (remoteObj.canBack(sessId));
Forward.Enabled = (remoteObj != null) && (remoteObj.canForward(sessId));
}
protected void Page_Load(Object o, EventArgs e)
{
//note: this web-form relies on availability of Session information either through
// cookies or modified Url. It won't work if persistent session id is not available.
string sessId = Session.SessionID;
Output.Visible = Back.Visible = Forward.Visible = true;
if (Session["ResultsOnDisplay"] != null &&
((string)Session["ResultsOnDisplay"]).StartsWith(HeaderMsg + NO_RESULTS))
{
Back.Visible = Forward.Visible = false;
}
string actionString = null;
bool queryStringProcessed = false;
string reqUrl = Request.Url.ToString();
int index = reqUrl.IndexOf(".aspx?");
if (index > 0)
{
actionString = reqUrl.Substring(index + ".aspx?".Length);
}
if (!IsPostBack)
{
//HTTP GET request
if (actionString == null)
{
//HTTP Get without any query string
if (Session["ResultsOnDisplay"] == null)
{
//First access
Output.Visible = false;
Back.Visible = Forward.Visible = false;
int index1 = reqUrl.IndexOf(".aspx");
if ((index1 > 0) && (index1 + ".aspx".Length < reqUrl.Length))
{
Session["InitialReqUrl"] = reqUrl.Substring(0, index1 + ".aspx".Length);
}
else
{
Session["InitialReqUrl"] = reqUrl;
}
Session["SearchString"] = "";
Session["Source"] = "Anywhere";
sourceList.SelectedValue = "Anywhere";
if (Session["GlobalCheckBox"] == null)
{
//GlobalSearchCheckBox.Visible = ((string)Session["Source"]).Equals("Anywhere");
//By default, NetBeagleSearch checkbox is checked for local access & unchecked for ext. access
GlobalSearchCheckBox.Checked = isLocalReq()? true:false;
Session["GlobalCheckBox"] = GlobalSearchCheckBox.Checked;
}
}
else
{
//Redirected from Tile-Action invocation, restore Results
SearchBox.Text = (string)Session["SearchString"];
sourceList.SelectedValue = (string)Session["Source"];
Output.Text = (string)Session["ResultsOnDisplay"];
WebBackEnd remoteObj = (WebBackEnd)Session["RemObj"];
if (remoteObj != null)
{
Back.Enabled = remoteObj.canBack(sessId);
Forward.Enabled = remoteObj.canForward(sessId);
GlobalSearchCheckBox.Visible = (remoteObj.NetworkBeagleActive) && (sourceList.SelectedValue.Equals("Anywhere"));
if (!isLocalReq() && (((string)TitleLabel.Text).IndexOf("host") < 0))
{
TitleLabel.Text += " from host: " + remoteObj.HostName;
}
}
GlobalSearchCheckBox.Checked = (bool)Session["GlobalCheckBox"];
}
}
else //HTTP-Get request with query string:
//Initial web query initiated via HTTP Get (firefox search bar):
{
string searchString = null;
NameValueCollection nvc = Request.QueryString;
if ((nvc != null) && (nvc.Count != 0) &&
((searchString = nvc["text"]) != null))
{
SearchBox.Text = searchString;
Session["SearchString"] = searchString;
string source = null;
if ((source = nvc["source"]) != null)
{
switch (source.ToLower())
{
case "files": sourceList.SelectedValue = "Files";
break;
case "addressbook": sourceList.SelectedValue = "Contact";
break;
case "mail": sourceList.SelectedValue = "MailMessage";
break;
case "web": sourceList.SelectedValue = "WebHistory";
break;
case "chats": sourceList.SelectedValue = "IMLog";
break;
case "anywhere":
default: sourceList.SelectedValue = "Anywhere";
break;
}
}
else
{
sourceList.SelectedValue = "Anywhere";
}
Session["Source"] = sourceList.SelectedValue;
GlobalSearchCheckBox.Visible = ((string)Session["Source"]).Equals("Anywhere");
//By default, NetBeagleSearch checkbox is checked for local access & unchecked for ext. access
GlobalSearchCheckBox.Checked = isLocalReq()? true:false;
Session["GlobalCheckBox"] = GlobalSearchCheckBox.Checked;
if (Session["ResultsOnDisplay"] == null)
{
int index2 = reqUrl.IndexOf(".aspx");
if ((index2 > 0) && (index2 + ".aspx".Length < reqUrl.Length))
{
Session["InitialReqUrl"] = reqUrl.Substring(0, index2 + ".aspx".Length);
}
else
{
Session["InitialReqUrl"] = reqUrl;
}
}
queryStringProcessed = true;
Search_Click(o, e);
//Redirect client to initial Beagle webaccess URL:
Response.Redirect((string)Session["InitialReqUrl"]);
}
} //end else for if (actionString == null)
} //end if (!IsPostBack)
//Process Tile!Action HTTP-Get request, if user has clicked on one:
if (actionString != null && !queryStringProcessed)
{
WebBackEnd remoteObj = (WebBackEnd)Session["RemObj"];
if (remoteObj != null)
{
if (isLocalReq())
{
remoteObj.dispatchAction(sessId, actionString);
}
}
else
{
Output.Text = enableSessionMsg;
Back.Visible = Forward.Visible = GlobalSearchCheckBox.Visible = false;
return;
}
//Redirect client to initial Beagle webaccess URL:
Response.Redirect((string)Session["InitialReqUrl"]);
}
}
protected void Search_Click(object o, EventArgs e)
{
//if (IsPostBack && Session.IsNewSession)
if (Session["InitialReqUrl"] == null)
{
Output.Text = enableSessionMsg;
Back.Visible = Forward.Visible = GlobalSearchCheckBox.Visible = false;
return;
}
if (SearchBox.Text.Trim() == "")
{
Output.Text = HeaderMsg + NO_RESULTS;
Back.Visible = Forward.Visible = false;
Session["SearchString"] = SearchBox.Text;
Session["ResultsOnDisplay"] = Output.Text;
Session["GlobalCheckBox"] = GlobalSearchCheckBox.Checked;
return;
}
string searchSrc = sourceList.SelectedItem.Value;
if (searchSrc.Equals("Anywhere"))
{
searchSrc = null;
}
remoteChannel.Register();
WebBackEnd remoteObj = (WebBackEnd)Session["RemObj"];
if (remoteObj == null)
{
remoteObj = new WebBackEnd();
}
if ((remoteObj == null) || !(remoteObj.allowGlobalAccess || isLocalReq()))
{
Output.Text = localReqOnlyMsg;
Back.Visible = Forward.Visible = GlobalSearchCheckBox.Visible = false;
sourceList.Enabled = SearchBox.Enabled = Search.Enabled = false;
return;
}
if (!isLocalReq() && (((string)TitleLabel.Text).IndexOf("host") < 0))
{
TitleLabel.Text += " from host: " + remoteObj.HostName;
}
//Show check-box only if we have one or more NetworkedBeagle nodes configured:
bool showGlobalCheckBox = (remoteObj.NetworkBeagleActive) && (searchSrc == null);
//Setup arguments for WebBackEnd:doQuery()
webArgs wargs = new webArgs();
wargs.sessId = Session.SessionID;
wargs.searchString = SearchBox.Text;
wargs.searchSource = searchSrc;
wargs.isLocalReq = isLocalReq();
wargs.globalSearch = showGlobalCheckBox?GlobalSearchCheckBox.Checked:false;
string response = "";
try {
response = remoteObj.doQuery(wargs);
}
catch (Exception ex)
{
response = "Exception in WebBackEnd:doQuery method\n";
Console.WriteLine("WebFrontEnd: Caught Exception in WebBackEnd:doQuery()\n" + ex.Message);
}
if (response.StartsWith(NO_RESULTS))
{
Output.Text = HeaderMsg + response;
Back.Visible = Forward.Visible = false;
}
else
{
Output.Text = HeaderMsg + convertUrls(response);
Back.Enabled = remoteObj.canBack(Session.SessionID);
Forward.Enabled = remoteObj.canForward(Session.SessionID);
}
GlobalSearchCheckBox.Visible = showGlobalCheckBox;
Session["GlobalCheckBox"] = GlobalSearchCheckBox.Checked;
Session["RemObj"] = remoteObj;
Session["ResultsOnDisplay"] = Output.Text;
Session["SearchString"] = SearchBox.Text;
Session["Source"] = searchSrc;
}
