/// <summary>
/// On delete-session menu item clicked
/// -- confirm to delete target session
/// <summary>
private async void DeleteSession_Click(object sender, RoutedEventArgs e)
{
MenuFlyoutItem itemViewDetail = sender as MenuFlyoutItem;
SessionStatusInfo sessionStatusInfo = itemViewDetail.DataContext as SessionStatusInfo;
MessageDialog showDialog = new MessageDialog("This will delete settings in this session.\nAre you sure to delete session - '" + sessionStatusInfo.Name + "' ?");
showDialog.Commands.Add(new UICommand("Delete")
{
Id = 0
});
showDialog.Commands.Add(new UICommand("Cancel")
{
Id = 1
});
showDialog.DefaultCommandIndex = 1;
showDialog.CancelCommandIndex = 1;
var result = await showDialog.ShowAsync();
if ((int)result.Id == 0)
{
bool isDeleted = await DeleteSession(sessionStatusInfo.Session);
if (isDeleted)
{
int delIndex = listviewSessionStatus.SelectedIndex;
listviewSessionStatus.SelectedIndex = delIndex - 1;
listviewSessionStatus.Items.RemoveAt(delIndex);
listviewSessionStatus.UpdateLayout();
listSessionStatus.Remove(sessionStatusInfo);
}
}
}
/// <summary>
/// On menu button clicked
/// -- show flyout menu function
/// <summary>
private async void Menu_Click(object sender, RoutedEventArgs e)
{
Button btnMenu = sender as Button;
//ListViewItem thisItem = FindVisualParent<ListViewItem>(sender as Button);
listviewSessionStatus.SelectedItem = btnMenu.DataContext as SessionStatusInfo;
if ((btnMenu.Tag as string) == "Save")
{
btnMenu.Flyout.Hide();
SessionStatusInfo sessionStatusInfo = btnMenu.DataContext as SessionStatusInfo;
TextBox txtSessionName = RenameSessionEnable(false, sessionStatusInfo);
string targetName = txtSessionName?.Text;
if (targetName == sessionStatusInfo.Name)
{
return;
}
await RenameSessionSave(targetName, sessionStatusInfo);
}
else
{
btnMenu.Flyout.ShowAt(btnMenu);
}
}
//----------------------
// UI Event Handlers
//----------------------
/// <summary>
/// On view-session-detail/edit-session menu item clicked
/// -- navigate to Opcua session page for detail viewing & editing
/// <summary>
private void ViewSessionDetail_Click(object sender, RoutedEventArgs e)
{
MenuFlyoutItem itemViewDetail = sender as MenuFlyoutItem;
SessionStatusInfo sessionStatusInfo = itemViewDetail.DataContext as SessionStatusInfo;
Frame.Navigate(typeof(SessionMgmt_OpcuaPage), sessionStatusInfo.Session);
}
/// <summary>
/// Enable selected session on UI to allow session rename
/// <summary>
private TextBox RenameSessionEnable(bool enable, SessionStatusInfo sessionStatusInfo)
{
ListViewItem curItem = null;
foreach (ListViewItem item in listviewSessionStatus.ItemsPanelRoot.Children)
{
if (item.Content.Equals(sessionStatusInfo))
{
curItem = item;
break;
}
}
if (curItem != null)
{
TextBox tbSessionName = null;
Button btnFunc = null;
foreach (UIElement uielem in (curItem.ContentTemplateRoot as Grid).Children)
{
if ((uielem as TextBox)?.Name == "tbSessionName")
{
tbSessionName = uielem as TextBox;
}
else if ((uielem as Button)?.Name == "btnFunc")
{
btnFunc = uielem as Button;
}
}
if (enable)
{
if (btnFunc != null)
{
btnFunc.Tag = "Save";
ToolTipService.SetToolTip(btnFunc, "Save");
(btnFunc.Content as FontIcon).Glyph = "\uE28F"; // save
}
if (tbSessionName != null)
{
tbSessionName.IsReadOnly = false;
tbSessionName.Focus(FocusState.Pointer);
}
}
else
{
if (btnFunc != null)
{
btnFunc.Tag = "Menu";
ToolTipService.SetToolTip(btnFunc, "Function Menu");
(btnFunc.Content as FontIcon).Glyph = "\uE10C"; // menu
}
if (tbSessionName != null)
{
tbSessionName.IsReadOnly = true;
}
}
return(tbSessionName);
}
return(null);
}
//----------------------
// UI Helper Functions
//----------------------
/// <summary>
/// Rename session
/// <summary>
private async Task <bool> RenameSessionSave(string targetName, SessionStatusInfo sessionStatusInfo)
{
bool hasNameConflict = false;
foreach (var item in listSessionStatus)
{
if (item.Name == targetName && item.Name != sessionStatusInfo.Name)
{
hasNameConflict = true;
}
}
bool isRenamed = false;
if (hasNameConflict)
{
MessageDialog showDialog = new MessageDialog("Session name conflicts with other session!");
showDialog.Commands.Add(new UICommand("Close")
{
Id = 1
});
showDialog.DefaultCommandIndex = 1;
showDialog.CancelCommandIndex = 1;
await showDialog.ShowAsync();
}
else
{
// confirm rename
MessageDialog showDialog = new MessageDialog("This will rename this session, and SiteProfile content could be inconsistent.\nAre you sure to rename session from '" + sessionStatusInfo.Name + "' to '" + targetName + "'?");
showDialog.Commands.Add(new UICommand("Rename")
{
Id = 0
});
showDialog.Commands.Add(new UICommand("Cancel")
{
Id = 1
});
showDialog.DefaultCommandIndex = 1;
showDialog.CancelCommandIndex = 1;
var result = await showDialog.ShowAsync();
if ((int)result.Id == 0)
{
isRenamed = await RenameSession(targetName, sessionStatusInfo.Session);
if (isRenamed)
{
sessionStatusInfo.UpdateSessionName(targetName);
}
}
}
return(isRenamed);
}
/// <summary>
/// On session name textbox got focus
/// <summary>
private void tbSessionName_GotFocus(object sender, RoutedEventArgs e)
{
TextBox tbSessionName = sender as TextBox;
SessionStatusInfo sessionStatusInfo = tbSessionName.DataContext as SessionStatusInfo;
Debug.WriteLine("[" + sessionStatusInfo.Name + "] Got Focus " + tbSessionName.IsReadOnly + ", " + tbSessionName.FocusState);
if (!tbSessionName.IsReadOnly && tbSessionName.FocusState != FocusState.Unfocused && String.IsNullOrEmpty(tbSessionName.Tag as string))
{
tbSessionName.LostFocus += tbSessionName_LostFocus;
tbSessionName.Tag = "Editing";
Debug.WriteLine("[" + sessionStatusInfo.Name + "] Enable LostFocus Handler");
}
}
/// <summary>
/// On losing focus at name textbox
/// -- require user confirmation to save this change or discard the change
/// <summary>
private async void tbSessionName_LostFocus(object sender, RoutedEventArgs e)
{
TextBox tbSessionName = sender as TextBox;
SessionStatusInfo sessionStatusInfo = tbSessionName.DataContext as SessionStatusInfo;
Debug.WriteLine("[" + sessionStatusInfo.Name + "] Lost Focus " + tbSessionName.IsReadOnly + ", " + tbSessionName.FocusState);
if (tbSessionName.IsReadOnly)
{
return;
}
RenameSessionEnable(false, sessionStatusInfo);
tbSessionName.LostFocus -= tbSessionName_LostFocus;
tbSessionName.Tag = null;
string targetName = tbSessionName.Text;
if (sessionStatusInfo.Name == targetName)
{
return;
}
else
{
// confirm rename
MessageDialog showDialog = new MessageDialog("Would you like to save the change?");
showDialog.Commands.Add(new UICommand("Yes")
{
Id = 0
});
showDialog.Commands.Add(new UICommand("No")
{
Id = 1
});
showDialog.DefaultCommandIndex = 1;
showDialog.CancelCommandIndex = 1;
var result = await showDialog.ShowAsync();
if ((int)result.Id == 1)
{
tbSessionName.Text = sessionStatusInfo.Name;
return;
}
}
await RenameSessionSave(targetName, sessionStatusInfo);
}
/// <summary>
/// On page loaded
/// <summary>
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
SiteProfileManager siteManager = SiteProfileManager.DefaultSiteProfileManager;
if (siteManager == null)
{
siteManager = await SiteProfileManager.Open(App.SiteProfileId);
SiteProfileManager.SetDefault(siteManager);
}
else
{
var action = e.Parameter as string;
if (!String.IsNullOrEmpty(action) && action == "RELOAD")
{
await siteManager.LoadSessionConfig();
}
}
listviewSessionStatus.Items.Clear();
if (siteManager?.sessionConfig?.sessions != null)
{
sessionConfig = siteManager.sessionConfig;
foreach (var session in sessionConfig.sessions)
{
SessionStatusInfo sessionInfoItem = new SessionStatusInfo()
{
Name = session.sessionName,
SourceUrl = String.Format("{0}", session.sourceType.ToString()),
Description = String.Empty,
Status = 0,
IsActive = false,
Session = session,
};
listSessionStatus.Add(sessionInfoItem);
listviewSessionStatus.Items.Add(sessionInfoItem);
}
}
}
/// <summary>
/// On rename-session menu item clicked
/// -- allow edit session name on UI (require explicit "save" confirm by user to commit name change)
/// <summary>
private void RenameSession_Click(object sender, RoutedEventArgs e)
{
SessionStatusInfo sessionStatusInfo = (sender as MenuFlyoutItem).DataContext as SessionStatusInfo;
RenameSessionEnable(true, sessionStatusInfo);
}