Exemplo n.º 1
0
        override internal ICutViewState visitPaste2Normal(PasteState pasteState)
        {
            var normalState = new NormalState();

            normalState.Operation    = "Select a node to cut";
            normalState.HiddenStatus = "Choices";
            normalState.selectedItem = pasteState.selectedItem;
            normalState.StateText    = "Selected: " + normalState.selectedItem.Name;
            return(normalState);
        }
Exemplo n.º 2
0
        override internal ICutViewState visitCut2Paste(CutState cutState)
        {
            if (cutState.selectedItem.Name.Equals(cutState.cutFrom))
            {
                cutState.StateText = "Selected: " + cutState.selectedItem.Name;
                return(cutState);
            }
            var pasteState = new PasteState();

            pasteState.selectedItem = cutState.selectedItem;
            pasteState.operation    = cutState.operation;
            pasteState.pasteTo      = cutState.selectedItem.Name;
            if (cutState.fromParent != null)
            {
                var foundFrom = cutState.fromParent.TreeItems.First(t => t.Name.Equals(cutState.cutFrom));
                if (foundFrom == null)
                {
                    cutState.StateText = "Error! From " + cutState.cutFrom + " to " + pasteState.pasteTo;
                    return(cutState);
                }
                else
                {
                    var  checkParent = pasteState.selectedItem.parent;
                    bool checkCyclic = false;
                    while (checkParent != null)
                    {
                        if (foundFrom.Name.Equals(checkParent.Name))
                        {
                            checkCyclic = true;
                            break;
                        }
                        checkParent = checkParent.parent;
                    }
                    if (checkCyclic)
                    {
                        cutState.StateText = "Cyclic Reference! From " + cutState.cutFrom + " to " + pasteState.pasteTo;
                        return(cutState);
                    }
                    cutState.fromParent.TreeItems.Remove(foundFrom);
                    pasteState.selectedItem.TreeItems.Add(foundFrom);
                    foundFrom.parent     = cutState.selectedItem;
                    pasteState.Operation = "Done! From " + cutState.cutFrom + " to " + pasteState.pasteTo;
                }
            }
            else
            {
                cutState.StateText = "Error! From " + cutState.cutFrom + " to " + pasteState.pasteTo;
                return(cutState);
            }
            pasteState.StateText = "Selected: " + pasteState.selectedItem.Name;
            return(pasteState);
        }
Exemplo n.º 3
0
 internal abstract A visitPaste2Normal(PasteState pasteState);