/// <summary>
/// Rearrange the employees collection as a manager-subemployee nested tree
/// </summary>
/// <param name="htemployees">Employee table</param>
/// <returns>returns the sorted list</returns>
protected ArrayList GetSortedEmployeesList(Hashtable htemployees)
{
ICollection employees = htemployees.Values;
ArrayList sortedlist = new ArrayList();
foreach (Employee_CS emply in employees)
{
if (emply.ManagerID == string.Empty)
{
// Employees without a ManagerID are top-level nodes in the org tree
sortedlist.Add(emply);
}
else
{
// Find the employee instance associated with the managerID and add this object as
// a subemployee of the manager node.
Employee_CS manager = (Employee_CS)htemployees[emply.ManagerID];
if (manager != null)
{
manager.SubEmployees.Add(emply);
}
}
}
return(sortedlist);
}
/// <summary>
/// Read the data from the XML file
/// </summary>
/// <param name="datasrc">Path of the XML File</param>
/// <returns>returns the employee table</returns>
protected Hashtable ReadEmployeeDataFromXMLFile(string datasrc)
{
Hashtable lstEmployee = new Hashtable();
// Use the XML DOM to read data from the employees XML data file
XmlDocument xmldoc = new XmlDocument();
xmldoc.Load(datasrc);
if (xmldoc.DocumentElement.HasChildNodes)
{
XmlNodeList employeelist = xmldoc.DocumentElement.ChildNodes;
for (int i = 0; i < employeelist.Count; i++)
{
// Create an Employee instance to represent each employee
Employee_CS emply = new Employee_CS();
XmlNode employeenode = employeelist[i];
XmlNodeList employeedatalist = employeenode.ChildNodes;
IEnumerator employeedata = employeedatalist.GetEnumerator();
employeedata.Reset();
while (employeedata.MoveNext())
{
XmlNode dataelement = employeedata.Current as XmlNode;
switch (dataelement.Name)
{
case "Name":
emply.EmployeeName = "Name :" + dataelement.InnerText;
break;
case "EmployeeID":
emply.EmployeeID = dataelement.InnerText;
emply.EmployeeName += System.Environment.NewLine + "Emp ID :" + dataelement.InnerText;
break;
case "Designation":
emply.Designation = dataelement.InnerText;
emply.EmployeeName += System.Environment.NewLine + "Des :" + dataelement.InnerText;
break;
case "DOJ":
emply.DOJ = dataelement.InnerText;
emply.EmployeeName += System.Environment.NewLine + "DOJ :" + dataelement.InnerText;
break;
case "ImageNo":
emply.ImageName = dataelement.InnerText;
break;
case "ManagerID":
emply.ManagerID = dataelement.InnerText;
break;
}
}
lstEmployee.Add(emply.EmployeeID, emply);
}
}
return(lstEmployee);
}
/// <summary>
/// generates the sub employees count
/// </summary>
/// <param name="empl">Employee business object</param>
protected void IterUpdateSubEmployeeCount(Employee_CS empl)
{
empl.RecSubEmployeeCount = empl.SubEmployees.Count;
foreach (Employee_CS subempl in empl.SubEmployees)
{
this.IterUpdateSubEmployeeCount(subempl);
empl.RecSubEmployeeCount += subempl.RecSubEmployeeCount;
}
}
/// <summary>
/// Iterative sub-employee symbol node creation
/// </summary>
/// <param name="emply">Employess business object</param>
/// <param name="emplysymbol">Employee Node</param>
protected void IterCreateEmployeeSymbol(Employee_CS emply, EmpSymbol emplysymbol)
{
foreach (Employee_CS subemply in emply.SubEmployees)
{
String fileName = @"..\..\..\..\..\..\..\Common\Images\Diagram\OrgChart Layout\" + subemply.ImageName + ".png";
// Create a EmployeeSymbol for each of the sub-employees of the particular employee //Waterfall, Horizontal
EmpSymbol subemplysymbol = new EmpSymbol(fileName);
subemplysymbol.LineStyle.LineColor = Color.LightSkyBlue;
subemplysymbol.EmployeeName = emply.EmployeeName;
this.diagram1.Model.AppendChild(subemplysymbol);
emplysymbol.EnableCentralPort = true;
subemplysymbol.EnableCentralPort = true;
ConnectNodes(emplysymbol, subemplysymbol);
this.IterCreateEmployeeSymbol(subemply, subemplysymbol);
}
}
