private void GetAllChildAssignmentsForParent(
CommentedAssignmentTreeViewItem currentTop,
List <ejsAssignment> list)
{
foreach (CommentedAssignmentTreeViewItem catvi in currentTop.Items)
{
this.GetAllChildAssignmentsForParent(catvi, list);
list.Add(catvi.Assignment);
//list.Add(currentTop.Assignment);
}
}
/// <summary>
/// Called to update the branches of the tree once the root nodes
/// have been added. This method is meant to be called recursively.
/// </summary>
/// <param name="root">Root node</param>
/// <param name="child">Current Child</param>
/// <param name="branchRoot">Original root of this branch</param>
private void BuildAssignmentTree(AssignmentTreeViewItem root,
ejsAssignment child, AssignmentTreeViewItem branchRoot)
{
if (root.Assignment.ExternalAssignmentId == child.ParentAssignmentId)
{
CommentedAssignmentTreeViewItem cat = new CommentedAssignmentTreeViewItem(child);
cat.BranchRoot = branchRoot;
cat.DefaultImage = new BitmapImage(new Uri("pack://application:,,,/imgData/caTvS.png"));
cat.SelectedImage = new BitmapImage(new Uri("pack://application:,,,/imgData/caTvD.png"));
root.Items.Add(cat);
//Add up the total number of comments in this branch..
branchRoot.Assignment.CommentCount += child.CommentCount;
}
else
{
foreach (AssignmentTreeViewItem childItem in root.Items)
{
this.BuildAssignmentTree(childItem, child, branchRoot);
}
}
}
private void _tv_Assignments_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
if (e.NewValue is AssignmentTreeViewItem)
{
AssignmentTreeViewItem selAss = e.NewValue as AssignmentTreeViewItem;
this._b_OpenAssignment.IsEnabled = true;
//Do not enable anything else...
if (this.OpenForMerge)
{
return;
}
this._b_OpenCommentedAssignment.IsEnabled = true;
if (App._currentEjpStudent.Id == selAss.Assignment.OwnerUserId)
{
this._b_DeleteAssignment.IsEnabled = true;
if (selAss.Items.Count != 0)
{
this._b_MergeAndOpen.IsEnabled = true;
}
else
{
this._b_MergeAndOpen.IsEnabled = false;
}
}
else
{
this._b_DeleteAssignment.IsEnabled = false;
this._b_MergeAndOpen.IsEnabled = false;
}
//Version Check
if (selAss.Assignment.ExternalAssignmentId ==
Guid.Empty)
{
this._b_OpenCommentedAssignment.IsEnabled = false;
}
}
if (e.NewValue is CommentedAssignmentTreeViewItem)
{
//Do not enable anything...
if (this.OpenForMerge)
{
return;
}
CommentedAssignmentTreeViewItem selAss = e.NewValue as CommentedAssignmentTreeViewItem;
this._b_OpenAssignment.IsEnabled = false;
this._b_OpenCommentedAssignment.IsEnabled = true;
this._b_MergeAndOpen.IsEnabled = false;
if (selAss.BranchRoot.Assignment.OwnerUserId == App._currentEjpStudent.Id)
{
this._b_DeleteAssignment.IsEnabled = true;
}
else
{
this._b_DeleteAssignment.IsEnabled = false;
}
//Version Check
if (selAss.Assignment.ExternalAssignmentId ==
Guid.Empty)
{
this._b_OpenCommentedAssignment.IsEnabled = false;
}
}
}
