Exemple #1
0
        public void DragEnd(object sender, DragTreeViewItemAdvEventArgs e)
        {
            e.Cancel = false;
            TreeViewItemAdv drop = e.TargetDropItem as TreeViewItemAdv;

            if (drag != null && drop != null && drag.ParentItemsControl == drop.ParentItemsControl)
            {
                e.Cancel = true;
            }
        }
Exemple #2
0
        private void ServersTreeView_OnDragEnd(object sender, DragTreeViewItemAdvEventArgs e)
        {
            //Fix weird selections
            ServersTreeView.ClearSelection();

            var draggingItems = new List <ServerTreeViewModel>();

            foreach (var draggingItem in e.DraggingItems)
            {
                if (draggingItem.Header is ServerTreeViewModel st)
                {
                    draggingItems.Add(st);
                }
                else
                {
                    goto Skip;
                }
            }
            var types = new HashSet <ServerTreeViewType>(draggingItems.Select(items => items.Type));

            if (types.Count == 1)
            {
                var type = types.First();
                switch (type)
                {
                case ServerTreeViewType.Subtag:
                    e.Cancel = !(e.TargetDropItem is TreeViewAdv);
                    return;

                case ServerTreeViewType.Group:
                    //移到相同订阅组上会被吃掉
                    if (e.DropIndex < 0)
                    {
                        goto Skip;
                    }
                    //属于同样的订阅
                    if (e.TargetDropItem is TreeViewItemAdv treeViewItem)
                    {
                        if (treeViewItem.Header is ServerTreeViewModel st && st.Type == ServerTreeViewType.Subtag)
                        {
                            if (draggingItems.All(draggingItem => draggingItem.Parent == st))
                            {
                                e.Cancel = false;
                                return;
                            }
                        }
                    }
                    break;

                case ServerTreeViewType.Server:
                    //属于同一个订阅
                    var subs = new HashSet <string>();
                    foreach (var draggingItem in draggingItems)
                    {
                        var parent = draggingItem.Parent;
                        while (parent.Parent != null)
                        {
                            parent = parent.Parent;
                        }
                        if (parent is ServerTreeViewModel parentModel)
                        {
                            subs.Add(parentModel.Name);
                            continue;
                        }
                        goto Skip;
                    }
                    if (subs.Count != 1)
                    {
                        goto Skip;
                    }
                    var sub = subs.First();
                    //且 目标为群组或原版的订阅连接
                    if (e.TargetDropItem is TreeViewItemAdv treeViewItemAdv)
                    {
                        if (treeViewItemAdv.Header is ServerTreeViewModel st)
                        {
                            switch (st.Type)
                            {
                            case ServerTreeViewType.Subtag:
                            {
                                //移到相同订阅组上会被吃掉
                                if (e.DropIndex < 0)
                                {
                                    goto Skip;
                                }
                                //原版的订阅连接
                                if (draggingItems.All(draggingItem => draggingItem.Parent == st))
                                {
                                    e.Cancel = false;
                                    return;
                                }
                                break;
                            }

                            case ServerTreeViewType.Group:
                            {
                                //相同订阅组
                                if (st.Parent is ServerTreeViewModel targetParent && sub == targetParent.Name)
                                {
                                    //同一个组
                                    var parents = new HashSet <IVirtualTree>(draggingItems.Select(items => items.Parent));
                                    if (parents.Count != 1)
                                    {
                                        goto Skip;
                                    }
                                    var parent = parents.First();
                                    if (e.DropIndex < 0 && parent == st)
                                    {
                                        goto Skip;
                                    }

                                    foreach (var draggingItem in draggingItems)
                                    {
                                        var first = st.Nodes.FirstOrDefault();
                                        draggingItem.Server.Group = first != null ? first.Server.Group :
                                                                    st.Name != I18NUtil.GetAppStringValue(@"EmptyGroup") ? st.Name :
                                                                    string.Empty;
                                        draggingItem.Parent = st;
                                    }
                                    e.Cancel = false;
                                    return;
                                }
                                break;
                            }
                            }
                        }
                    }
                    break;

                default:
                    throw new ArgumentOutOfRangeException();
                }
            }
Skip:
            e.Cancel = true;
        }
Exemple #3
0
 void TreeViewAdv_DragStart(object sender, DragTreeViewItemAdvEventArgs e)
 {
     AddLog("DragStarted from ( " + (e.OriginalSource as TreeViewAdv).Name + " )");
 }
Exemple #4
0
 void TreeViewAdv1_DragEnd(object sender, DragTreeViewItemAdvEventArgs e)
 {
     AddLog("DragEnd ( " + (e.OriginalSource as TreeViewAdv).Name + " )");
 }
Exemple #5
0
 public void DragStart(object sender, DragTreeViewItemAdvEventArgs e)
 {
     drag = (sender as TreeViewAdv).SelectedContainer;
 }