/// <summary>
/// Create and return an application node
/// </summary>
/// <param name="app"></param>
/// <param name="session"></param>
/// <returns></returns>
private TreeNode CreateApplicationNode(IHostedApplication app, Microsoft.Ccf.Csr.Session session)
{
// Add the app's icon to the tabControl's list
ImageList imageList = app.GetIconList();
if (imageList != null && imageList.Images.Count > 0)
{
System.Drawing.Image image = imageList.Images[0];
sessionsTree.ImageList.Images.Add(image);
}
TreeNode node = new TreeNode(app.ApplicationName);
node.Tag = app;
// if there was no image for this application, then the image for
// the previous application will be used.
node.ImageIndex = sessionsTree.ImageList.Images.Count - 1;
node.SelectedImageIndex = node.ImageIndex;
if (session != null)
{
// If this app has the current selection, select it in the tree
if (app == session.FocusedApplication)
{
sessionsTree.SelectedNode = node;
}
}
return(node);
}
/// <summary>
/// Removes a session from the session explorer tree.
/// </summary>
/// <param name="session"></param>
public void RemoveSession(Microsoft.Ccf.Csr.Session session)
{
foreach (TreeNode node in sessionsTree.Nodes)
{
if (session == node.Tag)
{
sessionsTree.Nodes.Remove(node);
break;
}
}
updateFields(); // updates some fields to current state
}
/// <summary>
/// Add tagged global and tagged non-global applications nodes to the Session Explorer
/// </summary>
public void AddWorkflowApplicationNodes(Microsoft.Ccf.Csr.Session session, bool selected)
{
// find the session
foreach (TreeNode sessionNode in sessionsTree.Nodes)
{
if (session.Name.ToString() == sessionNode.Text.ToString())
{
// add each tagged application node to the tree under that session
foreach (IHostedApplication app in session)
{
if (session.AppHost.IsTaggedApplication(app))
{
sessionNode.Nodes.Add(CreateApplicationNode(app, session));
}
}
return;
}
}
}
/// <summary>
/// Adds the session to the tree control if its not already there
/// </summary>
public void AddSession(Microsoft.Ccf.Csr.Session session, bool selected)
{
TreeNode parent, node;
// if there is no session name, then hide this session
if (session == null || session.Name == null)
{
return;
}
// see if active session is already in the session explorer
foreach (TreeNode sessionNode in sessionsTree.Nodes)
{
if (sessionNode.Tag == session)
{
sessionNode.Text = session.Name; // in case the name has changed
return;
}
}
parent = new TreeNode(session.Name);
parent.Tag = session;
// find where to insert this session node at based on the sort
bool sortByName = (SortBy.SelectedItem as string == localize.SESSION_EXPLORER_STR_SORTBY_CUSTOMER_NAME);
int position = 0;
for (; position < sessionsTree.Nodes.Count; position++)
{
node = sessionsTree.Nodes[position];
if (sortByName && parent.Text.CompareTo(node.Text) < 0)
{
break;
}
if (!sortByName)
{
Session oldSession = node.Tag as Session;
if (session != null && session.StartTime < oldSession.StartTime)
{
break;
}
}
}
sessionsTree.Nodes.Insert(position, parent);
// if asked to select this node or if its the active session, then select it
if (selected || session == sessionManager.ActiveSession)
{
sessionsTree.SelectedNode = parent;
}
// Add the applications in this session to the session explorer view
foreach (IHostedApplication app in session)
{
if ((app as IHostedApplication3) != null && (app as IHostedApplication3).IsListed)
{
// This prevents external apps that are not integrated
// into CCF from being shown in the session explorer.
if (app.TopLevelWindow != null)
{
// if workflow has not started, empty workflow means no workflow has started
if (session.Workflow == string.Empty)
{
// only add untagged applications
if (!session.AppHost.IsTaggedApplication(app))
{
node = CreateApplicationNode(app, session);
parent.Nodes.Add(node);
}
}
else //workflow has started so add all apps
{
node = CreateApplicationNode(app, session);
parent.Nodes.Add(node);
}
}
}
}
sessionsTree.ExpandAll();
updateFields(); // updates some fields to current state
}
