protected void btnSaveChanges_Click(object sender, EventArgs e)
{
string result = "";
try
{
List<DisplayState> dispstate = (List<DisplayState>)Session["display_states"];
DisplayState temp_state = null;
string initState = "";
string filePath = Session["filepath"].ToString().Trim();
List<string> new_states = new List<string>();
DataObjectClass obj_dataobject = new DataObjectClass();
DataTable dtable = new DataTable();
string qstring = "";
if (row2.Visible == true)
{
foreach (ListItem item in lstDestinationStates.Items)
{
new_states.Add(item.Value.ToString().Trim());
}
foreach (string item in new_states)
{
temp_state = new DisplayState();
temp_state.disp_state_name = item.ToString().Trim();
temp_state.InitialState = false;
qstring = string.Format("select k.txt_state_name state,k.txt_state_display_name from workflow_state_master k" +
" where k.txt_start_comp_link_id=(select p.txt_start_comp_link_id from workflow_state_master p where p.txt_state_display_name='{0}')" +
" order by k.txt_state_id", temp_state.disp_state_name.ToString().Trim());
dtable = obj_dataobject.getSQLDataTable(qstring);
if (dtable != null && dtable.Rows.Count > 0)
{
temp_state.actual_state_name = dtable.Rows[0][0].ToString().Trim();
temp_state.completed_state_name = dtable.Rows[1][0].ToString().Trim();
}
dispstate.Add(temp_state);
temp_state = null;
}
List<string> every_state = new List<string>();
foreach (DisplayState item in dispstate)
{
every_state.Add(item.disp_state_name.ToString().Trim());
}
foreach (DisplayState item in dispstate)
{
item.all_states = null;
item.all_states = new List<string>();
item.all_states = every_state;
}
Session["display_states"] = dispstate;
grdStateModification.DataSource = null;
grdStateModification.DataSource = dispstate;
grdStateModification.DataBind();
UpdatePanel2.Update();
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append(@"<script language='javascript' type='text/javascript'>");
string script = "HideAllStates();";
sb.Append(script);
sb.Append(@"</script>");
ScriptManager.RegisterClientScriptBlock(this.Page, Page.GetType(), "none", sb.ToString(), false);
}
else
{
if (filePath != null)
{
XDocument doc = XDocument.Load(filePath);
XNamespace w = "http://schemas.microsoft.com/winfx/2006/xaml/workflow";
XNamespace x = "http://schemas.microsoft.com/winfx/2006/xaml";
initState = dispstate.Where(state => state.InitialState == true).Select(state => state.actual_state_name).First().ToString().Trim();
foreach (XElement element in doc.Root.Elements(w + "StateActivity"))
{
if (element.Attribute(x + "Name").Value.ToString().Trim() == "START_WORKFLOW")
{
foreach (XElement inner_element in element.Elements(w + "EventDrivenActivity"))
{
inner_element.Attribute(x + "Name").Value = "ON_START_WORKFLOW_" + initState.ToString().Trim();
inner_element.Element(w + "HandleExternalEventActivity").Attribute(x + "Name").Value = "START_WORKFLOW_" + initState.ToString().Trim();
inner_element.Element(w + "HandleExternalEventActivity").Attribute("EventName").Value = initState.ToString().Trim();
inner_element.Element(w + "SetStateActivity").Attribute("TargetStateName").Value = initState.ToString().Trim();
inner_element.Element(w + "SetStateActivity").Attribute(x + "Name").Value = "setStateActivity_START_WORKFLOW_" + initState.ToString().Trim();
}
}
//else
//{
// element.RemoveAll();
//}
}
doc.Save(filePath);
//foreach (XNode node in doc.Root.Nodes())
//{
// node.NodesAfterSelf().Remove();
//}
doc.Root.Descendants(w + "StateActivity")
.Where(node => node.Attribute(x + "Name").Value.ToString().Trim() != "START_WORKFLOW")
.Remove();
doc.Save(filePath);
StringBuilder str = new StringBuilder();
List<string> targetStates = new List<string>();
str.Append("<StateMachineWorkflowActivity x:Class=" + "\"" + "WorkflowLibrary1." + Session["filename"].ToString().Trim() + "\"" + " InitialStateName=" + "\"" + "START_WORKFLOW" + "\"" + " x:Name=" + "\"" + Session["filename"].ToString().Trim() + "\"" + " DynamicUpdateCondition=" + "\"" + "{x:Null}" + "\"" + " CompletedStateName=" + "\"" + "{x:Null}" + "\"" + " xmlns:x=" + "\"" + "http://schemas.microsoft.com/winfx/2006/xaml" + "\"" + " xmlns=" + "\"" + "http://schemas.microsoft.com/winfx/2006/xaml/workflow" + "\"" + " > ");
foreach (DisplayState state in dispstate)
{
targetStates.Add(GetEndStateName(state.actual_state_name.ToString().Trim()));
str.Append(CreateStateForMarkup(GetStartStateName(state.actual_state_name.ToString().Trim()), targetStates));
str.Append(CreateStateForMarkup(targetStates.First().ToString().Trim(), state.target_states));
targetStates.Clear();
}
str.Append("</StateMachineWorkflowActivity>");
XDocument ndoc = XDocument.Parse(str.ToString().Trim());
foreach (XNode node in ndoc.Root.Nodes())
{
doc.Root.Add(node);
doc.Save(filePath);
}
doc = null;
str.Clear();
result = "success";
}
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append(@"<script language='javascript' type='text/javascript'>");
string script = string.Format(@"SaveConfirmation('{0}')", result.ToString().Trim());
sb.Append(script);
sb.Append(@"</script>");
ScriptManager.RegisterClientScriptBlock(this.Page, Page.GetType(), "none", sb.ToString(), false);
}
}
catch (Exception ex)
{
result = ex.Message.ToString().Trim();
}
}
protected void btnDisplayStateTransition_Click(object sender, EventArgs e)
{
string result = "";
try
{
if (Session["filepath"] != null)
{
List<StateActivity> actual_states = (List<StateActivity>)Session["actual_states"];
List<DisplayState> dispState = new List<DisplayState>();
DisplayState state = null;
List<string> targetStates = null;
List<string> targetstate_displayname = null;
StateActivity tempstate = null;
string completed_state = "";
string qstring = "";
DataRow drow = null;
DataObjectClass obj_dataobject = new DataObjectClass();
string state_status = "";
for (int i = 1; i < actual_states.Count; i++)
{
state = new DisplayState();
qstring = string.Format("select decode(s.txt_state_display_name,'','End_State','Start_State'),s.txt_state_display_name Display_Name" +
" from workflow_state_master s where txt_state_name='{0}'", actual_states[i].state_name.ToString().Trim());
drow = obj_dataobject.getSQLDataRow(qstring.Trim());
if (drow != null)
{
state_status = drow[0].ToString().Trim();
}
if (state_status == "Start_State")
{
state.actual_state_name = actual_states[i].state_name.ToString().Trim();
state.disp_state_name = drow[1].ToString().Trim();
drow = null;
state.InitialState = actual_states[i].InitialState;
completed_state = actual_states[i].event_driven[0].setState.ToString().Trim();
state.completed_state_name = completed_state.ToString().Trim();
tempstate = (from temp in actual_states where temp.state_name == completed_state select temp).First();
targetStates = new List<string>();
foreach (EventDrivenActivity ediv in tempstate.event_driven)
{
targetStates.Add(ediv.setState.ToString().Trim());
}
state.target_states = targetStates;
targetstate_displayname = new List<string>();
foreach (string target in targetStates)
{
qstring = string.Format("select s.txt_state_display_name Display_Name" +
" from workflow_state_master s where txt_state_name='{0}'", target.Trim());
drow = obj_dataobject.getSQLDataRow(qstring.Trim());
if (drow != null)
{
targetstate_displayname.Add(drow[0].ToString().Trim());
}
}
state.targetstate_displayname = targetstate_displayname;
targetstate_displayname = null;
targetStates = null;
tempstate = null;
dispState.Add(state);
state = null;
}
}
List<string> all_states = new List<string>();
foreach (DisplayState item in dispState)
{
all_states.Add(item.disp_state_name.ToString().Trim());
}
foreach (DisplayState item in dispState)
{
item.all_states = all_states;
}
Session["display_states"] = dispState;
grdStateTransition.DataSource = null;
grdStateTransition.DataSource = dispState;
grdStateTransition.DataBind();
result = "success";
}
else
{
result = "Please read the file to proceed";
}
}
catch (Exception ex)
{
result = ex.Message.ToString().Trim();
}
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append(@"<script language='javascript' type='text/javascript'>");
string str = string.Format(@"DisplayStateTransition('{0}')", result.ToString().Trim());
sb.Append(str);
sb.Append(@"</script>");
ScriptManager.RegisterClientScriptBlock(this.Page, Page.GetType(), "none", sb.ToString(), false);
}