/// <summary>
/// treeViewUO_Collapse
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void treeViewUO_Collapse(object sender, Microsoft.Web.UI.WebControls.TreeViewClickEventArgs e)
{
try
{
if (e.Node != "0")
{
myTreeNode TreeNodo;
TreeNodo = (myTreeNode)treeViewUO.GetNodeFromIndex(e.Node);
Microsoft.Web.UI.WebControls.TreeNode nodoFiglio;
if (TreeNodo.getTipoNodo().Equals("U"))
{
if (TreeNodo.Nodes.Count > 0)
{
TreeNodo.Nodes.Clear();
}
nodoFiglio = new Microsoft.Web.UI.WebControls.TreeNode();
nodoFiglio.Text = "<font color='#ff0000'> loading...</font>";
TreeNodo.Nodes.Add(nodoFiglio);
}
if (this.GetReadOnly())
{
treeViewUO.SelectedNodeIndex = e.Node;
}
}
}
catch
{
this.executeJS("<SCRIPT>alert('Attenzione, si è verificato un errore di sistema');</SCRIPT>");
}
}
/// <summary>
/// treeViewUO_Expand
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void treeViewUO_Expand(object sender, Microsoft.Web.UI.WebControls.TreeViewClickEventArgs e)
{
try
{
if (e.Node != "0")
{
myTreeNode TreeNodo;
TreeNodo = (myTreeNode)treeViewUO.GetNodeFromIndex(e.Node);
if (TreeNodo.getTipoNodo().Equals("U"))
{
if (TreeNodo.Nodes.Count > 0)
{
TreeNodo.Nodes.Clear();
}
this.LoadTreeViewLivelloFigli(e.Node, TreeNodo.getTipoNodo());
}
if (this.GetReadOnly())
{
treeViewUO.SelectedNodeIndex = e.Node;
}
}
else
{
this.Inizialize();
}
}
catch
{
this.executeJS("<SCRIPT>alert('Attenzione, si è verificato un errore di sistema');</SCRIPT>");
}
}
/// <summary>
/// espande nodo
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TreeView1_Expand_1(object sender, Microsoft.Web.UI.WebControls.TreeViewClickEventArgs e)
{
try
{
if (e.Node != "0")
{
LoadTreeViewChild(e.Node);
}
}
catch
{
lbl_msg.Text = "Attenzione! si è verificato un errore di caricamento della pagina.";
}
}
private void TestTreeView_Collapse(object sender, Microsoft.Web.UI.WebControls.TreeViewClickEventArgs e)
{
// Remove the collapsed node from the expansion list...
((ArrayList)Session["ExpandedNodes"]).Remove(e.Node);
// Collapse the node (for state could be saved)...
TestTreeView.GetNodeFromIndex(e.Node).Expanded = false;
// Expand the nodes that need to be expanded...
this.ExpandTreeNodes( );
// Select the node that was previously selected...
this.SetSelectedNode( );
// Clear out any visible error messages...
ErrorMessage.Text = "";
}
private void TestTreeView_Expand(object sender, Microsoft.Web.UI.WebControls.TreeViewClickEventArgs e)
{
// Add the newly expanded node to the node array...
// If the list doesn't contain the node, then add it to the list...
if (Session["ExpandedNodes"] == null)
{
Session["ExpandedNodes"] = new ArrayList( );
}
if (!((ArrayList)Session["ExpandedNodes"]).Contains(e.Node))
{
((ArrayList)Session["ExpandedNodes"]).Add(e.Node);
}
// Expand the nodes that need to be expanded...
this.ExpandTreeNodes( );
// Select the node that was previously selected...
this.SetSelectedNode( );
// Clear out any visible error messages...
ErrorMessage.Text = "";
}
/// <summary>
/// chiude nodo
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TreeView1_Collapse_1(object sender, Microsoft.Web.UI.WebControls.TreeViewClickEventArgs e)
{
try
{
Microsoft.Web.UI.WebControls.TreeNode nodoFiglio;
Microsoft.Web.UI.WebControls.TreeNode TreeNodo;
TreeNodo = TreeView1.GetNodeFromIndex(e.Node);
if (e.Node != "0")
{
if (TreeNodo.Nodes.Count > 0)
{
TreeNodo.Nodes.Clear();
}
nodoFiglio = new Microsoft.Web.UI.WebControls.TreeNode();
nodoFiglio.Text = "<font color='#ff0000'> loading...</font>";
TreeNodo.Nodes.Add(nodoFiglio);
}
}
catch
{
lbl_msg.Text = "Attenzione! si è verificato un errore di caricamento della pagina.";
}
}
/// <summary>
/// Called when the TreeView on the client-side submitted the form.
/// </summary>
/// <param name="eventArg">Event argument.</param>
protected bool ProcessEvents(string eventArg)
{
if (eventArg == null || eventArg == String.Empty || eventArg == " ") // Don't know why, but the framework is giving a " " eventArg instead of null
return false;
TreeNode tn = null;
String[] events = eventArg.Split(new Char[] {';'});
foreach (string strWholeEvent in events)
{
String[] parms = strWholeEvent.Split(new Char[] {','});
if (parms[0].Length > 0)
{
if (parms[0].Equals("onselectedindexchange") && parms.GetLength(0) == 3)
{
TreeViewSelectEventArgs e = new TreeViewSelectEventArgs(parms[1], parms[2]);
tn = GetNodeFromIndex(parms[2]);
if (tn != null)
tn.LowerPostBackEvent(parms[0]);
DoSelectedIndexChange(e);
_eventList.Add("s");
_eventList.Add(e);
}
else if ((parms[0].Equals("onexpand") || parms[0].Equals("oncollapse") || parms[0].Equals("oncheck")) && parms.GetLength(0) == 2)
{
TreeViewClickEventArgs e = new TreeViewClickEventArgs(parms[1]);
if (parms[0].Equals("onexpand"))
_eventList.Add("e");
else if (parms[0].Equals("oncollapse"))
_eventList.Add("c");
else
_eventList.Add("k");
_eventList.Add(e);
tn = GetNodeFromIndex(parms[1]);
if (tn != null)
tn.LowerPostBackEvent(parms[0]);
}
}
}
if (_eventList.Count > 0)
return true;
else
return false;
}
/// <summary>
/// Called when a TreeNode expands.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnExpand(TreeViewClickEventArgs e)
{
if (Expand != null)
Expand(this, e);
}
/// <summary>
/// Called when a TreeNode collapses.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnCollapse(TreeViewClickEventArgs e)
{
if (Collapse != null)
Collapse(this, e);
}
/// <summary>
/// Called when a TreeNode's checkbox is clicked.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnCheck(TreeViewClickEventArgs e)
{
if (Check != null)
Check(this, e);
}
private void tvSection_Expand(object sender, TreeViewClickEventArgs e)
{
TreeNode node = tvSection.GetNodeFromIndex(e.Node);
if (node.Nodes.Count == 0) {
if (node.NodeData.IndexOf("Section") == 0)
AddSectionMembers(node);
else if (node.NodeData.IndexOf("USects") == 0)
AddUserSections(node);
else if (node.NodeData.IndexOf("UGrous") == 0)
AddUserGroups(node);
else if (node.NodeData.IndexOf("GrouAsst") == 0)
AddAsstGroups(node);
else if (node.NodeData.IndexOf("Group") == 0)
AddGroupMembers(node);
else if (node.NodeData.IndexOf("AsstG") == 0)
AddAllAsstGroups(node);
}
}
private void tvSection_Check(object sender, TreeViewClickEventArgs e)
{
TreeNode node = tvSection.GetNodeFromIndex(e.Node);
Users users = new Users(Globals.CurrentIdentity);
int courseID = Convert.ToInt32(HttpContext.Current.Request.Params["CourseID"]);
string[] tokens;
if (node.NodeData.IndexOf("Uname") == 0) {
tokens = node.NodeData.Split(" ".ToCharArray());
int pid = users.GetInfo(tokens[1], null).PrincipalID;
ArrayList prins = Principals;
if (node.Checked)
prins.Add(pid);
else
prins.Remove(pid);
Principals = prins;
}
else if (node.NodeData.IndexOf("Group") == 0) {
tokens = node.NodeData.Split(" ".ToCharArray());
int pid = Convert.ToInt32(tokens[1]);
ArrayList prins = Principals;
if (node.Checked)
prins.Add(pid);
else
prins.Remove(pid);
Principals = prins;
}
else if (node.NodeData.IndexOf("Uallusers") == 0) {
User.UserList mems = new Courses(Globals.CurrentIdentity).GetMembers(courseID, null);
ArrayList prins = Principals;
foreach (TreeNode cnode in node.Nodes)
cnode.Checked = node.Checked;
foreach (User mem in mems) {
if (node.Checked)
prins.Add(mem.PrincipalID);
else
prins.Remove(mem.PrincipalID);
}
node.Expanded = true;
Principals = prins;
}
else if (node.NodeData.IndexOf("Section") == 0) {
tokens = node.NodeData.Split(" ".ToCharArray());
User.UserList susers = (new Sections(Globals.CurrentIdentity)).GetMembers(
Convert.ToInt32(tokens[1]));
if (node.Nodes.Count == 0)
AddSectionMembers(node);
foreach (TreeNode cnode in node.Nodes)
cnode.Checked = node.Checked;
ArrayList prins = Principals;
foreach (User user in susers) {
if (node.Checked)
prins.Add(user.PrincipalID);
else
prins.Remove(user.PrincipalID);
}
node.Expanded = true;
Principals = prins;
}
}
/// <summary>
/// Espande un nodo della Treeview
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void treeViewUO_Expand(object sender, Microsoft.Web.UI.WebControls.TreeViewClickEventArgs e)
{
this.executeExpand(e.Node);
}
protected void tvFiles_Expand(object sender, TreeViewClickEventArgs e)
{
TreeNode selnode = tvFiles.GetNodeFromIndex(e.Node);
UpdateTreeNode(selnode, false);
}
private void tvRubric_Expand(object sender, TreeViewClickEventArgs e)
{
TreeNode node = tvRubric.GetNodeFromIndex(e.Node);
LoadNode(node);
}
