private void DeleteNodeBtn_Click(object sender, RoutedEventArgs e)
{
int nodeId;
if (!Int32.TryParse(((TreeViewItem)(treeView.SelectedItem)).Tag.ToString(), out nodeId))
{
return;
}
if (organs.Where(s => s.ParentNodeId == nodeId).Count() > 0)
{
ErrorHandler.ShowErrorMessage("تنها امکان حذف برگ ها وجود دارد");
return;
}
var entity = new RTMEntities();
try
{
RTM.OrganizationalChart delete = entity.OrganizationalCharts.Where(s => s.ChartNodeId == nodeId).First();
entity.OrganizationalCharts.DeleteObject(delete);
entity.SaveChanges();
ErrorHandler.NotifyUser(Errors.Deleted);
}
catch (System.Exception ex)
{
ErrorHandler.ShowErrorMessage("در حال حاضر امکان دسترسی به سرور وجود ندارد");
return;
}
RefreshTreeView();
}
private void AddNodeBtn_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(treeView.SelectedValue.ToString()) || string.IsNullOrEmpty(OrganTxt.Text.Trim()))
{
return;
}
var newOrgan = new RTM.OrganizationalChart();
var entity = new RTMEntities();
string selectedNode = ((TreeViewItem)(treeView.SelectedItem)).Header.ToString();
int nodeId = 0;
if (((TreeViewItem)(treeView.SelectedItem)).Tag == null)
{
return;
}
if (!Int32.TryParse(((TreeViewItem)(treeView.SelectedItem)).Tag.ToString(), out nodeId))
{
return;
}
newOrgan.Title = OrganTxt.Text;
newOrgan.ParentNodeId = nodeId;
try
{
entity.OrganizationalCharts.AddObject(newOrgan);
entity.SaveChanges();
ErrorHandler.NotifyUser(Errors.Saved);
}
catch (System.Exception ex)
{
ErrorHandler.ShowErrorMessage("در حال حاضر امکان دسترسی به سرور وجود ندارد");
return;
}
RefreshTreeView();
}
private void RefreshTreeView()
{
organs = DataManagement.RetrieveOrganizationChart();
if (organs == null)
{
return;
}
root = organs.Where(s => s.ParentNodeId == null).First();
treeView.Items.Clear();
var t = new TreeViewItem();
t.Header = root.Title;
t.Tag = root.ChartNodeId;
treeView.Items.Add(t);
PopulateTreeView(t, root, organs);
//
// mishe ye kari kard ke item taghir karde expand beshe
//
}
private void EditNodeBtn_Click(object sender, RoutedEventArgs e)
{
try
{
int nodeId;
if (!Int32.TryParse(((TreeViewItem)(treeView.SelectedItem)).Tag.ToString(), out nodeId))
{
return;
}
var entity = new RTMEntities();
RTM.OrganizationalChart changeItem = entity.OrganizationalCharts.Where(s => s.ChartNodeId == nodeId).First();
changeItem.Title = OrganTxt.Text;
entity.SaveChanges();
ErrorHandler.NotifyUser(Errors.Saved);
}
catch (System.Exception ex)
{
ErrorHandler.ShowErrorMessage("در حال حاضر امکان دسترسی به سرور وجود ندارد");
}
RefreshTreeView();
}
private void PopulateTreeView(TreeViewItem Node, RTM.OrganizationalChart newChild, List <RTM.OrganizationalChart> entity)
{
var t = new TreeViewItem();
t.Header = newChild.Title;
t.Tag = newChild.ChartNodeId;
if (newChild != root)
{
Node.Items.Add(t);
}
else
{
t = Node;
}
var children = from nodes in entity
where nodes.ParentNodeId == newChild.ChartNodeId
select nodes;
foreach (var node in children)
{
PopulateTreeView(t, node, entity);
}
}
private void Page_Loaded(object sender, RoutedEventArgs e)
{
var entity = new RTMEntities();
var busy = new BusyIndicator();
this.LayOutRoot.Children.Add(busy);
Task.Factory.StartNew(delegate
{
try
{
var organizationchart = entity.OrganizationalCharts;
organs = organizationchart.Select(s => s).ToList();
root = organs.Where(s => s.ParentNodeId == null).First();
}
catch (System.Exception ex)
{
ErrorHandler.ShowErrorMessage("ارتباط با پایگاه داده امکان پذیر نبود");
Page_Loaded(sender, e);
}
}).ContinueWith(delegate
{
RefreshTreeView();
this.LayOutRoot.Children.Remove(busy);
//string text = "";
//foreach (var item in organs)
//{
// string temp = "";
// var t = item;
// while (t.OrganizationalChart2!=null)
// {
// temp += "\t";
// t = t.OrganizationalChart2;
// }
// text += temp + item.Title+"\n";
//}
}, TaskScheduler.FromCurrentSynchronizationContext());
}
