/// <summary> /// 删除事件 /// </summary> public void Delete() { EventTreeNode node = this.SelectedNode as EventTreeNode; //如果双击的是事件,删除 if (node != null) { if (MessageBox.Show( CommonLanguage.Current.ConfirmDelete + Environment.NewLine + Environment.NewLine + node.Name, CommonLanguage.Current.MessageCaption_Notice, MessageBoxButtons.OKCancel, MessageBoxIcon.Question ) != DialogResult.OK) { return; } int index = this.EventSupport.Events.IndexOf(node.Event); this.EventSupport.Events.Remove(node.Event); EventSupport.EventUpdate(this); node.Remove(); if (EventChanged != null) { Dictionary <int, object> values = new Dictionary <int, object>(); values.Add(index, node.Event); EventChanged(new CollectionEditEventArgs(this.EventSupport.Events, values)); } } }
/// <summary> /// 下移事件 /// </summary> public void Down() { EventTreeNode node = this.SelectedNode as EventTreeNode; if (node == null) { return; } EventTreeNode nextNodex = node.NextNode as EventTreeNode; if (nextNodex == null) { return; } int nodeOldIndex = this.EventSupport.Events.IndexOf(node.Event); this.EventSupport.Events.NextTo(node.Event, nextNodex.Event); EventSupport.EventUpdate(this); //BuildTree(); this.SwapNode(node, nextNodex); this.SelectedNode = node; if (EventOrderChanged != null) { CollectionEditEventArgs[] eventArgs = new CollectionEditEventArgs[1]; eventArgs[0] = new CollectionEditEventArgs(this.EventSupport.Events, CollectionEditType.Move, this.EventSupport.Events.IndexOf(node.Event), nodeOldIndex, node.Event); EventOrderChanged(eventArgs); } }
/// <summary> /// 编辑事件 /// </summary> public void Edit() { EventTreeNode node = this.SelectedNode as EventTreeNode; //如果选择的不是事件,直接返回 if (node == null) { return; } //保持当前事件对象的副本,用于在编辑事件之后,进行Compare提取差异 EventBase oldEvent = null; if (EventChanged != null) { oldEvent = node.Event.Clone() as EventBase; } //FormEventEditor.Event编辑后还是原对象的引用,在原对象基础上修改的 FormEventEditor formEventSet = new FormEventEditor(node.Event.HostEntity, node.Event); formEventSet.FormEntity = node.Event.HostFormEntity; formEventSet.EventList = EventSupport.Events; if (formEventSet.ShowDialog() == DialogResult.OK) { EventSupport.EventUpdate(this); //直接重建树 //如果想根据改变的触发时机来修改当前事件的父节点,涉及到事件的顺序问题 //因为编辑的事件在移到新的触发时机下面时,不一定是最后一个 BuildTree(); //触发事件(如果有) if (EventChanged != null) { CollectionEditEventArgs args = new CollectionEditEventArgs(this.EventSupport.Events, CollectionEditType.Edit, this.EventSupport.Events.IndexOf(node.Event), node.Event); args.Members.Inject(ObjectCompare.Compare(oldEvent, node.Event)); EventChanged(args); } } }
protected override void ProcessDragDrop(TreeNode dragNode, TreeNode dropNode) { CollectionEditEventArgs[] eventArgs = new CollectionEditEventArgs[2]; EventTreeNode node = dragNode as EventTreeNode; int nodeOldIndex = this.EventSupport.Events.IndexOf(node.Event); EventBase oldEvent = null; if (EventOrderChanged != null) { oldEvent = node.Event.Clone() as EventBase; } #region 如果目标节点是触发时机 //如果目标节点是触发时机,把拖动的节点放到这个触发时机的最后面 //需要调用一次EventCollection.Down方法,同步事件序列的顺序 //并把拖动的事件的触发时机修改为目标节点同样的触发时机 if (dropNode.GetType().Equals(typeof(EventTimeTreeNode))) { //直接调用基类方法完成节点移动 base.MoveNode(dragNode, dropNode); //同步触发事件顺序 //拿到dragNode的前一个节点(如果有),调用一次Down方法 //改变触发时机 EventTimeTreeNode eventTimeNode = dragNode.Parent as EventTimeTreeNode; node.Event.EventTime = eventTimeNode.EventTime.Code; //确保拖动的事件在事件序列中处于当前触发时机中所有事件的最后 EventTreeNode eventNode = dragNode.PrevNode as EventTreeNode; if (eventNode != null) { this.EventSupport.Events.NextTo(node.Event, eventNode.Event); } } #endregion #region 如果目标节点是事件 //如果目标节点是事件,把拖动的事件放到这个事件的前面,需调用Up方法同步事件顺序 //并把拖动的事件的触发时机修改为目标节点同样的触发时机 else if (dropNode.GetType().Equals(typeof(EventTreeNode))) { //如果放在拖动节点的同级下一个节点,do nothing if (dropNode.NextNode == dragNode) { return; } //移动树节点 // Remove drag node from parent dragNode.Parent.Nodes.Remove(dragNode); // Add drag node to drop node dropNode.Parent.Nodes.Insert(dropNode.Index + 1, dragNode); EventTreeNode prevNode = dragNode.PrevNode as EventTreeNode; //改变触发时机 node.Event.EventTime = prevNode.Event.EventTime; //nextNode不可能为null,就是dragNode this.EventSupport.Events.NextTo(node.Event, prevNode.Event); } #endregion if (EventOrderChanged != null) { CollectionEditEventArgs args0 = new CollectionEditEventArgs(this.EventSupport.Events, CollectionEditType.Edit, this.EventSupport.Events.IndexOf(node.Event), node.Event); args0.Members.Inject(ObjectCompare.Compare(oldEvent, node.Event)); eventArgs[0] = args0; eventArgs[1] = new CollectionEditEventArgs(this.EventSupport.Events, CollectionEditType.Move, this.EventSupport.Events.IndexOf(node.Event), nodeOldIndex, node.Event); EventOrderChanged(eventArgs); } }