private void LoadEmployeesAndSubtasksForTask(Task tsk)
{
tsk.AssignedEmployees = Program.dbms.GetEmployeesOnTask(tsk.ID);
List <Task> subtasks = Program.dbms.GetAllSubTasks(tsk.ID);
tsk.SubTasks.Clear();
foreach (var subtsk in subtasks)
{
LoadEmployeesAndSubtasksForTask(subtsk);
tsk.SubTasks.Add(subtsk);
}
}
private void SetEntryToEdit(Task tag)
{
txtTitle.Text = tag.Title;
chkIsFinished.Checked = tag.IsFinished;
chkIsMilestone.Checked = tag.IsMilestone;
dtpStartDate.Value = tag.StartingDate;
dtpDueDate.Value = tag.DueDate;
numActualWorkingHours.Value = tag.ActualWorkingHours ?? 0;
btnAddEdit.Text = "Edit Selected Task";
ReloadFreeEmployeesList();
LoadEmployeeListIntoListView(lstSelectedEmployees, tag.AssignedEmployees);
currentMode = EntryMode.Edit;
}
private void btnAddEdit_Click(object sender, EventArgs e)
{
if (chkIsMilestone.Checked)
{
dtpDueDate.Value = dtpStartDate.Value;
}
if (trvTasks.SelectedNode == null)
{
MessageBox.Show("Nothing is selected!", "Selection", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
txtTitle.Text = txtTitle.Text.Trim();
if (txtTitle.Text == "")
{
MessageBox.Show("Title of task cannot be empty!", "Invalid Data",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (dtpStartDate.Value > dtpDueDate.Value)
{
MessageBox.Show("Due Date of Project must be later than the start date", "Invalid Data",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (dtpStartDate.Value < ownerProject.StartingDate || dtpDueDate.Value > ownerProject.DueDate)
{
MessageBox.Show("Task schedule does not fit in the project's schedule.", "Invalid Data",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
TreeNode parent = null;
if (currentMode == EntryMode.Add)
{
parent = trvTasks.SelectedNode;
}
else if (currentMode == EntryMode.Edit)
{
parent = trvTasks.SelectedNode.Parent;
}
if (parent.Tag != null)
{
Task p = (Task)parent.Tag;
if (dtpStartDate.Value >= p.DueDate || dtpDueDate.Value <= p.StartingDate)
{
MessageBox.Show("Task does not fit in its parent's schedule.", "Invalid Data",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
}
if (currentMode == EntryMode.Add)
{
int?id = null;
if (parent.Tag != null)
{
id = ((Task)parent.Tag).ID;
}
bool isFinished = chkIsFinished.Checked;
int taskType = (int)(chkIsMilestone.Checked ? Task.TypeOfTask.Milestone : Task.TypeOfTask.Task);
int? actualWork = numActualWorkingHours.Value == 0 ? null : (int?)numActualWorkingHours.Value;
Task addedTask = new Task(id, taskType, ownerProject.ID, dtpStartDate.Value, dtpDueDate.Value, txtTitle.Text, actualWork, isFinished);
try
{
int taskID = Program.dbms.AddTask(addedTask);
List <int> lst = GetSelectedEmployees();
if (lst == null)
{
return;
}
Program.dbms.SetEmployeesOnTask(taskID, lst);
ReloadTasksList();
}
catch (Exception ex)
{
MessageBox.Show("Unable to add to database: " + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else if (currentMode == EntryMode.Edit)
{
try
{
Task cur = ((Task)trvTasks.SelectedNode.Tag);
int taskID = cur.ID;
cur.DueDate = dtpDueDate.Value;
cur.StartingDate = dtpStartDate.Value;
cur.Title = txtTitle.Text;
cur.ActualWorkingHours = numActualWorkingHours.Value == 0 ? null : (int?)numActualWorkingHours.Value;
cur.IsFinished = chkIsFinished.Checked;
cur.TaskType = (chkIsMilestone.Checked ? Task.TypeOfTask.Milestone : Task.TypeOfTask.Task);
Program.dbms.UpdateTask(cur);
Program.dbms.UnselectAllEmployeesFromTask(taskID);
List <int> lst = GetSelectedEmployees();
if (lst == null)
{
return;
}
Program.dbms.SetEmployeesOnTask(taskID, lst);
ReloadTasksList();
}
catch (Exception ex)
{
MessageBox.Show("Unable to add to database: " + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Something went wrong!", "Invalid", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}