private void DeleteWorker_Click(object sender, RoutedEventArgs e)
{
IWorker ws = WorkersView.SelectedItem as IWorker;
if (ws == null)
{
return;
}
DeleteItemConfirmationDialog delCon =
new DeleteItemConfirmationDialog(
$"Are you sure you want to delete worker:\n\n" +
$"ID: {ws.ID}, {ws.FirstName} {ws.LastName} ?\n\n" +
"Worker will be deleted permnanently!");
bool?result = delCon.ShowDialog();
if (result != true)
{
return;
}
UI.Workers.RemoveWorker(ws);
UpdateMainWindow();
}
/// <summary>
/// Performs all necessary checking to delete department,
/// then calls DeleteDepartment method of back-end
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DeleteDepartment_Click(object sender, RoutedEventArgs e)
{
// Get currently selected department from the Tree View
var tvis = AppleTree.SelectedItem as TreeViewItem;
if (tvis == null)
{
return;
}
var d = tvis.Tag as IDepartmentDTO;
var parent = tvis.Parent as TreeViewItem;
// Check if we are not deleting root department
if (d.ParentDeptID == 0)
{
MessageBox.Show("You cannot delete HQ department!");
return;
}
// Are we trying to delete empty department
bool?result;
if (d.NumberOfEmployees == 0 &&
d.NumberOfEmployees == 0)
{
DeleteItemConfirmationDialog delWin = new
DeleteItemConfirmationDialog(
"Are you sure to delete department\n" +
$"{d.DeptName} ?\n" +
"This action cannot be undone.");
result = delWin.ShowDialog();
if (result != true)
{
return;
}
UI.Departments.DeleteEmptyDepartment(d);
// Remove department from UI TreeView
parent.Items.Remove(tvis);
}
else // Department has either employees or subdepartments or both
{
DeleteDepartmentMenu delDeptWin = new DeleteDepartmentMenu(d);
result = delDeptWin.ShowDialog();
if (result != true)
{
return;
}
if (delDeptWin.selfExcludeOrCompletely) // Self Exclude way
{
DeleteItemConfirmationDialog delWin = new
DeleteItemConfirmationDialog(
"Are you sure to delete department\n" +
$"{d.DeptName} ?\n" +
"This action cannot be undone.");
result = delWin.ShowDialog();
if (result != true)
{
return;
}
UI.Departments.SelfExcludeOfDepartment(d);
// Update UI TreeView
parent.Items.Clear();
// Refresh list of subdepartments
// Because some may were added manually
var subDepartments = UI.Get.SubDepartments((IDepartmentDTO)parent.Tag);
// For each dept ...
subDepartments.ForEach(dept =>
{
// Create department item
var subItem = CreateTVINode(dept);
// Add this item to the parent
parent.Items.Add(subItem);
});
}
else // Delete completely with all employees and subdepartments
{
DeleteItemConfirmationDialog delWin = new
DeleteItemConfirmationDialog(
$"Are you sure to completely delete department {d.DeptName}\n" +
"and all its sub departments with all their employees?\n" +
"This action cannot be undone.");
result = delWin.ShowDialog();
if (result != true)
{
return;
}
UI.Departments.DeleteCompletely(d);
// Remove department from UI TreeView
parent.Items.Remove(tvis);
}
}
parent.Items.Refresh();
}
