/// <summary>
/// Handle Drag/Drop events for the curriculum tree
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void treeCurriculum_DragEnded(object sender, RadTreeViewDragEndedEventArgs e)
{
//Dragging a unit into a course
if (e.DraggedItems[0].GetType().ToString() == "lbcLibrary.Unit")
{
if (e.TargetDropItem.FullPath == "lbcLibrary.Course")
{
Course tmpCourse = (Course)e.TargetDropItem.Item;
Unit tmpUnit = (Unit)e.DraggedItems[0];
if (unitVM.MoveUnit(tmpUnit, tmpCourse) == true)
{
mainVM.InformationMessages.Insert(0, new Helper.Information(
"MoveUnit",
"Unit Moved Successfully",
"The unit: " + tmpUnit.UnitName + " was successfully moved into " + tmpCourse.Name));
//Refresh the curriculum tree
treeCurriculum.Items.Refresh();
}
else
{
mainVM.InformationMessages.Insert(0, new Helper.Information(
"Warning",
"Unit Move Failed",
"An error occured while moving the unit."));
}
}
}
//Dragging a lesson into a unit
else if (e.DraggedItems[0].GetType().ToString() == "lbcLibrary.Lesson")
{
if (e.TargetDropItem.FullPath == "lbcLibrary.Course\\lbcLibrary.Unit")
{
Unit tmpUnit = (Unit)e.TargetDropItem.Item;
Lesson tmpLesson = (Lesson)e.DraggedItems[0];
if (lessonVM.MoveLesson(tmpLesson, tmpUnit) == true)
{
mainVM.InformationMessages.Insert(0, new Helper.Information(
"MoveLesson",
"Lesson Moved Successfully",
"The lesson: " + tmpLesson.LessonName + " was successfully moved into " + tmpUnit.UnitName));
//Refresh the curriculum tree
treeCurriculum.Items.Refresh();
}
else
{
mainVM.InformationMessages.Insert(0, new Helper.Information(
"Warning",
"Lesson Move Failed",
"An error occured while moving the lesson."));
}
}
}
}
private void RouteTreeViewPreviewDragEnded(object sender, RadTreeViewDragEndedEventArgs e)
{
//Fixes issue that EntityCollection does not implement IList
//Cancelling the default drag-drop action for the TreeView is done by handling the PreviewDragEnded event.
//http://www.telerik.com/community/forums/silverlight/drag-and-drop/draganddrop-with-radtreeview-and-entitycollection.aspx
e.Handled = true;
}
private void XTreeView_PreviewDragEnded(object sender, RadTreeViewDragEndedEventArgs e)
{
if (e.DraggedItems != null && e.DraggedItems.Count > 0)
{
var rootMap = e.DraggedItems[0] as RootMap;
if (rootMap != null)
{
var oldParent = _projects.FirstOrDefault(q => q.Id == rootMap.ParentId);
Project parent = null;
RootMap target = null;
if (e.DropPosition == DropPosition.Inside)
{
parent = e.TargetDropItem.DataContext as Project;
}
else if (e.DropPosition == DropPosition.Before || e.DropPosition == DropPosition.After)
{
target = e.TargetDropItem.DataContext as RootMap;
if (target != null)
{
parent = _projects.FirstOrDefault(q => q.Id == target.ParentId);
}
}
if (parent != null && oldParent != null && parent != oldParent)
{
SuperMessageBoxService.Show("Confirmation",
"Which operation do you want to do?\r\n\r\nYou can move the map to the new project\r\nor copy the map to the new project",
"Move", "Copy", "Cancel", MessageBoxType.Confirmation,
() =>
{
oldParent.RootMaps.Remove(rootMap);
if (rootMap.IsInherited)
{
foreach (var groups in parent.PermissionGroups)
{
foreach (var group in groups)
{
rootMap.LoadValue(group.Group,
group.DefaultValue.HasValue && group.DefaultValue.Value);
}
}
}
rootMap.Node.DomainId = parent.Id;
if (e.DropPosition == DropPosition.Inside)
{
parent.RootMaps.Add(rootMap);
}
else if (e.DropPosition == DropPosition.Before)
{
var index = parent.RootMaps.IndexOf(target);
parent.RootMaps.Insert(index, rootMap);
}
else if (e.DropPosition == DropPosition.After)
{
var index = parent.RootMaps.IndexOf(target);
parent.RootMaps.Insert(index + 1, rootMap);
}
},
() =>
{
MapManager.CreateRootMapCompleted.RegisterEvent(OnCopyRootMapCompleted);
MapManager.CreateRootMap(parent.Id, "Copy of " + rootMap.Name,
MapManager.NodeTypes["CompendiumMapNode"], string.Empty);
});
}
}
}
e.Handled = true;
}
