/// <summary>
/// Adds an edge between two nodes, saving its information in Page's Session
/// </summary>
/// <param name="wfID">The WF's ID</param>
/// <param name="fromNodeID">The edge's head</param>
/// <param name="toNodeID">The edge's tail</param>
/// <param name="edgeXML">The edge's XML value</param>
private void AddEdge(string wfID, string fromNodeID, string toNodeID, string edgeXML)
{
WFnode from = (WFnode)Page.Session[fromNodeID];
WFnode to = (WFnode)Page.Session[toNodeID];
if (from == null || to == null || from == to)
{
return;
}
XmlDocument edgeDocument = new XmlDocument();
edgeDocument.InnerXml = edgeXML;
//TOCHANGE
Workflow wf = (Workflow)Page.Session[wfID];
WFedgeLabel edge = wf.GetEdgeBetween(from, to);
if (edge != null)
{
try {
edge.ModifyPrecondition(edgeDocument);
}
catch (Exception e) {
callbackResult = e.Message;
}
}
else
{
edge = new WFedgeLabel(edgeDocument, null);
wf.AddEdge(edge, from, to);
}
}
protected void back_Click(object sender, EventArgs e)
{
//need to check wmldoc = null!!!!
ActionResult ar;
if (save.Visible == true)
{
presenPanel3.Visible = true;
clear.Visible = true;
ar = workflow.ComputeNewStatus(WFeventType.ROLLBACK, null, ValidationEventHandler);
forward.Text = "Forward";
forward.Visible = true;
save.Visible = false;
//nodePlaceHolder.ResetStates();
presenPanel2.Controls.Clear();
presenPanel2.Visible = false;
renderNode(workflow.GetState());
}
else
{
ar = workflow.ComputeNewStatus(WFeventType.ROLLBACK, null, ValidationEventHandler);
//nodePlaceHolder.ResetStates();
presenPanel2.Controls.Clear();
presenPanel2.Visible = false;
renderNode(workflow.GetState());
}
/////////////////////////////////HISTORY//////////////////////////////////////////////////////////////////
WFnode currentNode = workflow.GetState();
UpdateHistory(currentNode, ar);
/////////////////////////////////HISTORY//////////////////////////////////////////////////////////////////
}
/// <summary>
/// Receives client's call and adds a node in the workflow
/// </summary>
/// <param name="eventArgument">WorkflowId & Node id</param>
public void RaiseCallbackEvent(string eventArgument)
{
try {
string[] args = eventArgument.Split('&');
string wfID = args[0];
string nodeID = args[1];
string nodeName = args[2];
callbackResult = "OK";
//Creating the new node
//WFnode node = new WFnode(nodeID);
WFnode node = BrowserWithServerSync.CreateServerNode(args[3]);
Page.Session[nodeName] = node;
//Adding node to the WF
Workflow wf = (Workflow)Page.Session[wfID];
wf.WorkflowInvalidationEvent += new EventHandler <WorkflowValidationEventArgs>(wf_WorkflowInvalidationEvent);
wf.AddNode(node);
}
catch (Exception e) {
Console.Write(e.Message);
callbackResult = e.Message;
}
}
protected void clear_Click(object sender, EventArgs e)
{
//nodePlaceHolder.ResetStates();//Value are still in controls
WFnode currentNode = workflow.GetState();
renderNode(currentNode);
UpdateHistory(currentNode, new ActionResult(true));
}
protected void forward_Click(object sender, EventArgs e)
{
bool final = workflow.IsFinalState();
WFnode actual = workflow.GetState();
XmlDocument doc = new XmlDocument();
doc.LoadXml(actual.GetValue(/*nodePlaceHolder.Controls[0]*/ presenPanel.Controls[0], actual.GetRenderingDocument().DocumentElement.FirstChild));
ActionResult ar = workflow.ComputeNewStatus(WFeventType.TRYGOON, doc, ValidationEventHandler);
if (ar.OK && !final)
{
//nodePlaceHolder.ResetStates();
//nodePlaceHolder.Controls.Clear();
presenPanel.Controls.Clear();
WFnode currentNode = workflow.GetState();
renderNode(currentNode);
/////////////////////////////////HISTORY//////////////////////////////////////////////////////////////////
UpdateHistory(currentNode, ar);
/////////////////////////////////HISTORY//////////////////////////////////////////////////////////////////
}
else if (ar.OK && final)
{
//nodePlaceHolder.ResetStates();
//nodePlaceHolder.Controls.Clear();
presenPanel.Controls.Clear();
//nodePlaceHolder.Controls.Add(new Panel());//To not handle generic error dialog
presenPanel.Controls.Add(new Panel());
presenPanel2.Visible = true;
forward.Visible = false;
save.Visible = true;
XmlDocument xd = workflow.GetCollectedDocument();
xd.Schemas = workflow.GetCollectedDocumentSchemas();
xd.Validate(null);//bug
XmlNodeList ln = xd.ChildNodes[1].ChildNodes;
IEnumerable <WFnode> nodeList = workflow.getNodeList();
foreach (XmlNode xnd in ln)
{
foreach (WFnode wfn in nodeList)
{
if (wfn.Name == XmlConvert.DecodeName(xnd.Name))
{
renderFinal(wfn, xnd);
}
}
}
presenPanel3.Controls.Clear();
}
else
{
/*It remains here...but someone should say him that there is no edge or his input doesn't validate*/
WFnode currentNode = workflow.GetState();
UpdateHistory(currentNode, ar);
}
}
public static void SyncServerNode(string browserStateString, WFnode ndToSync)
{
string nodeName;
XmlSchemaSet xset;
XmlDocument rdoc;
parse(browserStateString, out rdoc, out xset, out nodeName);
ndToSync.ModifyNode(xset, rdoc, nodeName);
}
/////////////////////////////////HISTORY//////////////////////////////////////////////////////////////////
protected void l_Click(object sender, EventArgs e)
{
int idClicked = Convert.ToInt32(((WebControl)sender).ID);
IEnumerable <WFnode> nodel = workflow.getNodeList();
WFnode current = workflow.GetState();
if (current == null)//workflow.IsEndComputationState
{
presenPanel3.Visible = true;
clear.Visible = true;
forward.Text = "Forward";
forward.Visible = true;
save.Visible = false;
presenPanel2.Visible = false;
//current = nodel.ToList()[nodel.Count() - 1];
}
try
{
if (((ImageButton)presenPanel3.Controls[idClicked]).ToolTip != workflow.GetState().Name)
{
string currentN;
do
{
workflow.ComputeNewStatus(WFeventType.ROLLBACK, null, ValidationEventHandler);
currentN = workflow.GetState().Name;
} while (((ImageButton)presenPanel3.Controls[idClicked]).ToolTip != currentN);
}
}
catch (NullReferenceException actualNodeNull)
{
if (workflow.IsEndComputationState)
{
string currentN;
do
{
workflow.ComputeNewStatus(WFeventType.ROLLBACK, null, ValidationEventHandler);
currentN = workflow.GetState().Name;
} while (((ImageButton)presenPanel3.Controls[idClicked]).ToolTip != currentN);
}
}
nodePlaceHolder.ResetStates();
nodePlaceHolder.Controls.Clear();
WFnode currentNode = workflow.GetState();
//presenPanel.Attributes.Add("style", "position:relative;left:0px;width:100%;display:block;");
renderNode(currentNode);
UpdateHistory(currentNode, new ActionResult(true));
}
public static WFnode CreateServerNode(string browserStateString)
{
string nodeName;
XmlSchemaSet xset;
XmlDocument rdoc;
parse(browserStateString, out rdoc, out xset, out nodeName);
var node = new WFnode(nodeName);
node.ModifyNode(xset, rdoc, nodeName);
return(node);
}
public WFnode testNode2()
{
XmlDocument d = new XmlDocument();
d.LoadXml(Core.TestResources.NodeWithComplexTypeRendering2.Replace("Nodo1", "Nodo2"));
XmlSchemaSet ss = new XmlSchemaSet();
ss.Add(Utils.ReadSchema(Core.TestResources.NodeWithComplexTypeSchema2.Replace("Nodo1", "Nodo2").Replace("StringBox0", "StringBox7")));
var nd = new WFnode("pippO");
nd.ModifyNode(ss, d, "Nodo2");
return(nd);
}
/// <summary>
/// Receives client's call and adds a node in the workflow
/// </summary>
/// <param name="eventArgument">WorkflowId & Node id</param>
public void RaiseCallbackEvent(string eventArgument)
{
try
{
string[] args = eventArgument.Split('&');
string wfId = args[0];
string nodeId = args[1];
WFnode node = (WFnode)Page.Session[nodeId];
Workflow wf = (Workflow)Page.Session[wfId];
wf.MarkAsFinalNode(node);
toReturn = nodeId;
}
catch (Exception e)
{
Console.Write(e.Message);
}
}
public IComputableWorkflow testValidationGUI()
{
WFnode nd1 = testNode1();
WFnode nd2 = testNode2();
WFedgeLabel edge = new WFedgeLabel();
XmlDocument d = new XmlDocument();
d.LoadXml("<PRECONDITIONS></PRECONDITIONS>");
edge.ModifyPrecondition(d);
Workflow wf = new Workflow("PIPPO");
wf.AddNode(nd1);
wf.AddNode(nd2);
wf.AddEdge(edge, nd1, nd2);
return(wf.Save());
}
//Metodo barbaro per calcolare i nodi coinvolti nel percorso anche in caso di biforcazioni
private List <string> BackTrace(IComputableWorkflow WF, string checkPointNode)
{
List <string> backNodes = new List <string>();
while (!WF.IsInitialState())//backtrace dal nodo corrente
{
backNodes.Add(WF.GetState().Name);
WF.ComputeNewStatus(WFeventType.ROLLBACK, null, null);
//nodePlaceHolder.ResetStates();
presenPanel2.Controls.Clear();
presenPanel2.Visible = false;
//renderNode(workflow.GetState());
//nodePlaceHolder.ResetStates();
//nodePlaceHolder.Controls.Clear();
presenPanel.Controls.Clear();
renderNode(workflow.GetState());
}
backNodes.Add(WF.GetState().Name);
WFnode curr = WF.GetState();
while (curr.Name != checkPointNode)//riporta il workflow allo stato corrente
{
WFnode actual = workflow.GetState();
XmlDocument doc = new XmlDocument();
doc.LoadXml(actual.GetValue(nodePlaceHolder.Controls[0], actual.GetRenderingDocument().DocumentElement.FirstChild));
ActionResult ar = workflow.ComputeNewStatus(WFeventType.TRYGOON, doc, ValidationEventHandler);
curr = WF.GetState();
//nodePlaceHolder.ResetStates();
//nodePlaceHolder.Controls.Clear();
presenPanel.Controls.Clear();
renderNode(workflow.GetState());
}
return(backNodes);
}
protected void restart_Click(object sender, EventArgs e)
{
presenPanel3.Visible = true;
clear.Visible = true;
forward.Text = "Forward";
workflow.ResetComputation();
//nodePlaceHolder.ResetStates();
if (save.Visible == true)
{
presenPanel3.Visible = true;
clear.Visible = true;
forward.Text = "Forward";
forward.Visible = true;
save.Visible = false;
//nodePlaceHolder.ResetStates();
presenPanel2.Controls.Clear();
presenPanel2.Visible = false;
}
WFnode currentNode = workflow.GetState();
renderNode(currentNode);
UpdateHistory(currentNode, new ActionResult(true));
}
/// <summary>
/// Receives client's call and syncs a node in the workflow
/// </summary>
/// <param name="eventArgument">WorkflowId & Node id</param>
public void RaiseCallbackEvent(string eventArgument)
{
try {
string[] args = eventArgument.Split('&');
string wfID = args[0];
string nodeID = args[1];
string nodeName = args[2];
callbackResult = "OK";
//Registering to wf's events
Workflow wf = (Workflow)Page.Session[wfID];
wf.WorkflowInvalidationEvent += new EventHandler <WorkflowValidationEventArgs>(wf_WorkflowInvalidationEvent);
//Creating the new node
//WFnode node = new WFnode(nodeID);
WFnode node = (WFnode)Page.Session[nodeName];
//This solves the bug of apostrophes and other charachter wich use & in the coding
string to_sync = "";
for (int k = 3; k < args.Length; k++)
{
to_sync += args[k];
if (k < args.Length - 1)
{
to_sync += '&';
}
}
//BrowserWithServerSync.SyncServerNode(args[2], node);
BrowserWithServerSync.SyncServerNode(to_sync, node);
}
catch (Exception e) {
callbackResult = e.Message;
}
}
protected void Page_Load(object sender, EventArgs e)
{
List <Control> listControl = new List <Control>();
string cbReference = this.ClientScript.GetCallbackEventReference(this, "arg", "ReceiveServerData", "");
string callBackScript = @"function CallServer(arg, context){" + cbReference + ";}";
this.ClientScript.RegisterClientScriptBlock(this.GetType(), "CallServer", callBackScript, true);
listControl.Add(new ServiceFakeLog());
List <Control> .Enumerator it = listControl.GetEnumerator();
while (it.MoveNext())
{
callFill.Controls.Add(it.Current);
IControlFormFiller t = (IControlFormFiller)it.Current;
cbReference = Page.ClientScript.GetCallbackEventReference(it.Current, "arg", t.getNameFunctionServerResponse(), "context");
callBackScript = @"function " + t.getNameFunctionServerCall() + "(arg, context)" + "{ " + cbReference + ";}";
Page.ClientScript.RegisterClientScriptBlock(it.Current.GetType(), t.getNameFunctionServerCall(), callBackScript, true);
}
if (((IComputableWorkflow)Session["wf"]) != null)
{
workflow = (IComputableWorkflow)Session["wf"]; //RIGA DI FIX PER NULL??!!!
presenPanel.Attributes.Add("style", "position:relative;left:800px;width:0px;display:none;");
/////////////////////////////////HISTORY//////////////////////////////////////////////////////////////////
IEnumerable <WFnode> nl = workflow.getNodeList();
List <string> nodeNames = new List <string>();
foreach (WFnode n in nl)
{
nodeNames.Add(n.Name);
}
List <string> ns = new List <string>();
ns = workflow.GetThroughPath();
if (ns.Count > 0)
{
string initNode = "";
int initNodeIndex = 0;
for (int i = 0; i < nodeNames.Count; i++)
{
if (nodeNames[i] == ns[ns.Count - 1])
{
initNode = nodeNames[i];
initNodeIndex = i;
}
}
string tmp = nodeNames[0];
nodeNames.RemoveAt(0);
nodeNames.Insert(0, initNode);
nodeNames.RemoveAt(initNodeIndex);
nodeNames.Insert(initNodeIndex, tmp);
int h = 1;
for (int i = ns.Count - 2; i >= 0; i--)
{
nodeNames.RemoveAt(h);
nodeNames.Insert(h, ns[i]);
h++;
}
//if (ns.Count < nodeNames.Count)
//{
// nodeNames.RemoveAt(ns.Count);
// nodeNames.Insert(ns.Count, workflow.GetState().Name);
//}
}
else
{
string initNode = "";
int initNodeIndex = 0;
for (int i = 0; i < nodeNames.Count; i++)
{
if (nodeNames[i] == workflow.GetState().Name)
{
initNode = nodeNames[i];
initNodeIndex = i;
}
}
string tmp = nodeNames[0];
nodeNames.RemoveAt(0);
nodeNames.Insert(0, initNode);
nodeNames.RemoveAt(initNodeIndex);
nodeNames.Insert(initNodeIndex, tmp);
}
int W = ((nodeNames.Count() - 1) * 16) + 32 + ((nodeNames.Count()) * 5);
int L = 480 - W / 2;
presenPanel3.Attributes.Add("style", "position:relative;width:" + W + "px;margin:4px 0px 10px 0px;left:" + L + "px;");//"style", "position:relative;width:100%;margin:4px 0px 10px 0px;left:0px;"
WFnode actual = workflow.GetState();
int j = 0;
presenPanel3.Controls.Clear();
foreach (string n in nodeNames)
{
ImageButton l = new ImageButton();
l.ImageUrl = "../lib/image/backNode.PNG";
l.CssClass = "HistoryLabel";
//if (j == 0)
// l.ToolTip = nodeNames[0];
l.ToolTip = nodeNames[j];
if (!IsPostBack)
{
if (j == 0)
{
l.ImageUrl = "../lib/image/currentNode.PNG";
l.Attributes.Add("style", "margin-left:5px;");
}
else
{
l.Enabled = false;
l.ImageUrl = "../lib/image/forwardNode.PNG";
l.Attributes.Add("style", "margin-left:5px;margin-bottom:8px;");
}
}
l.ID = j.ToString();
//l.OnClientClick = "slideRightToLeft();";
l.Click += new ImageClickEventHandler(l_Click);
l.CausesValidation = false;
presenPanel3.Controls.Add(l);
j++;
}
/////////////////////////////////HISTORY//////////////////////////////////////////////////////////////////
}
}
public static string CreateBrowserNode(WFnode nd)
{
return(null);
}
protected void Page_Init(object sender, EventArgs e)
{
//presenPanel.Controls.Add(nodePlaceHolder);
//presenPanel.Controls.Add();
if (!Page.IsPostBack)
{
Trace.Warn("Begin retrieving env variabiles from db");
Page.Controls.Add(new LiteralControl("<script>headerDivRed('none');</script>"));
String crId = Request.Params.Get("CompilationRequestID");
String wfId = Request.Params.Get("WorkflowID");
String user = Request.Params.Get("Username");
String serv = Request.Params.Get("Service");
String tokMail = Request.Params.Get("Token");
Trace.Warn("End retrieving env variabiles from db");
if (crId != null)
{
if (!crId.Equals("-1"))
{//Abbiamo tutto
loadWf(wfId, crId, user, serv, tokMail);
}
else
{ //Manca qualcosa crID ==-1
if (Session["LoginContactUserID"] == null)
{ //E' la prima volta che viene richieta la pagina con crId == -1
int serviceid = -1;
try
{
serviceid = int.Parse(serv);
}
catch (Exception e2)
{
serviceid = -1;
}
if (serviceid == -1)
{//Va fatto scegliere il servizio
contentAll.Style.Add("background", "#A7A7A7 url('../lib/image/lock2.png') no-repeat center");
contentAll.Style.Add("-moz-opacity", "0.35");
contentAll.Visible = true;
List <Security.Service> listaServizi = Security.ExternalService.List();
string temp = "";
foreach (Security.Service s in listaServizi)
{
temp = temp + s.ServiceName + "|";
}
Page.Controls.Add(new LiteralControl("<script>setType(-1, '" + temp + "');</script>"));
}
//Si presume che serv sia valido o scelto dall'utente
Session["LoginContact"] = true;
Session["LoginContactServiceID"] = serviceid;
Session["LoginContactReturnURL"] = "http://" + Security.EnvironmentManagement.getEnvValue("webServerAddress") + Request.Url.AbsolutePath + Request.Url.Query;
if (serviceid != -1)
{
Response.Redirect("http://" + Security.EnvironmentManagement.getEnvValue("webServerAddress") + "/Auth/login.aspx");
}
}
else
{//Vuol dire che Session["LoginContactUserID"] != null, e' la seconda volta e ho tutte le info
// Si ma le hai nella sessione!
serv = "" + (int)Session["LoginContactServiceID"];
user = (string)Session["LoginContactUserID"];
// Pulisco la sessione, nn mi servono piu'
Session["LoginContactServiceID"] = null;
Session["LoginContactUserID"] = null;
loadWf(wfId, crId, user, serv, tokMail);
}
}
}
else
{
workflow = (IComputableWorkflow)Session["wf"];
WFnode currentNode = workflow.GetState();
renderNode(currentNode);
UpdateHistory(currentNode, new ActionResult(true));
}
}
else
{
Page.Controls.Add(new LiteralControl("<script>headerDivRed('filling');</script>"));
workflow = ((IComputableWorkflow)Session["wf"]);
if (workflow != null)
{
if (!workflow.IsEndComputationState)
{
renderNode(workflow.GetState());
}
Security.Theme theme = ((Security.ComputableWorkflowReference)Session["wfr"]).GetTheme();
Page.Header.Controls.Add(new LiteralControl(@"<style type='text/css'>" + theme.CSS + "</style" + ">"));
if (theme.Title == "")
{
formTitle.InnerText = "NO TITLE";
formTitle.Style.Add("font-family", "Verdana");
formTitle.Style.Add("font-size", "30px");
}
else
{
formTitle.InnerText = theme.Title;
}
}
}
}
private void UpdateHistory(WFnode currentNode, ActionResult ar)
{
IEnumerable <WFnode> nodel = workflow.getNodeList();
//List<string> BackNodes = BackTrace(workflow, currentNode.Name);
List <string> BackNodes = workflow.GetThroughPath();
List <string> nodeNames = new List <string>();
foreach (WFnode n in nodel)
{
nodeNames.Add(n.Name);
}
List <string> ns = new List <string>();
ns = workflow.GetThroughPath();
if (ns.Count > 0 && ar.OK)
{
string initNode = "";
int initNodeIndex = 0;
for (int i = 0; i < nodeNames.Count; i++)
{
if (nodeNames[i] == ns[ns.Count - 1])
{
initNode = nodeNames[i];
initNodeIndex = i;
}
}
string tmp = nodeNames[0];
nodeNames.RemoveAt(0);
nodeNames.Insert(0, initNode);
nodeNames.RemoveAt(initNodeIndex);
nodeNames.Insert(initNodeIndex, tmp);
int h = 1;
for (int i = ns.Count - 2; i >= 0; i--)
{
nodeNames.RemoveAt(h);
nodeNames.Insert(h, ns[i]);
h++;
}
if (ns.Count < nodeNames.Count)
{
nodeNames.RemoveAt(ns.Count);
nodeNames.Insert(ns.Count, workflow.GetState().Name);
}
for (int i = ns.Count + 1; i < nodeNames.Count; i++)
{
nodeNames[i] = "";
}
for (int l = 0; l < nodeNames.Count; l++)
{
((ImageButton)presenPanel3.Controls[l]).ToolTip = nodeNames[l];
}
}
if (ns.Count == 0 && ar.OK)
{
string initNode = "";
int initNodeIndex = 0;
for (int i = 0; i < nodeNames.Count; i++)
{
if (nodeNames[i] == workflow.GetState().Name)
{
initNode = nodeNames[i];
initNodeIndex = i;
}
}
string tmp = nodeNames[0];
nodeNames.RemoveAt(0);
nodeNames.Insert(0, initNode);
nodeNames.RemoveAt(initNodeIndex);
nodeNames.Insert(initNodeIndex, tmp);
for (int i = ns.Count + 1; i < nodeNames.Count; i++)
{
nodeNames[i] = "";
}
for (int l = 0; l < nodeNames.Count; l++)
{
((ImageButton)presenPanel3.Controls[l]).ToolTip = nodeNames[l];
}
}
foreach (Control c in presenPanel3.Controls)
{
c.Visible = true;
}
if (workflow.IsFinalState())
{
foreach (Control c in presenPanel3.Controls)
{
if (((ImageButton)c).ToolTip == "")
{
c.Visible = false;
}
}
}
int k = 0;
foreach (string n in nodeNames)
{
if (BackNodes.Contains(((ImageButton)presenPanel3.Controls[k]).ToolTip))
{
((ImageButton)presenPanel3.Controls[k]).Enabled = true;
((ImageButton)presenPanel3.Controls[k]).ImageUrl = "../lib/image/backNode.PNG";
if (k == 0)
{
((ImageButton)presenPanel3.Controls[k]).Attributes.Add("style", "margin-left:5px;margin-bottom:8px;");
}
else
{
((ImageButton)presenPanel3.Controls[k]).Attributes.Add("style", "margin-bottom:8px;");
}
}
else
{
((ImageButton)presenPanel3.Controls[k]).Enabled = false;
((ImageButton)presenPanel3.Controls[k]).ImageUrl = "../lib/image/forwardNode.PNG";
((ImageButton)presenPanel3.Controls[k]).Attributes.Add("style", "margin-bottom:8px;");
}
if (((ImageButton)presenPanel3.Controls[k]).ToolTip == currentNode.Name)
{
((ImageButton)presenPanel3.Controls[k]).ImageUrl = "../lib/image/currentNode.PNG";
((ImageButton)presenPanel3.Controls[k]).Enabled = true;
if (k == 0)
{
((ImageButton)presenPanel3.Controls[k]).Attributes.Add("style", "margin-left:5px;margin-bottom:0px;");
}
else
{
((ImageButton)presenPanel3.Controls[k]).Attributes.Add("style", "margin-left:5px;margin-bottom:0px;");
}
}
k++;
}
}
