using DevExpress.XtraEditors;
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using DevExpress.XtraTreeList;
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using DevExpress.XtraTreeList.Handler;
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using DevExpress.XtraTreeList.Nodes;
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using System.Reflection;
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namespace HStation.WinFrmUI.Basic
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{
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internal class Class1
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{
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#region Org
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private async void SaveOrg()
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{
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var list = new List<Model.SiteOrgSaveTree>();
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if (this.treeList1.Nodes != null && this.treeList1.Nodes.Any())
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{
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foreach (TreeListNode node in treeList1.Nodes.Cast<TreeListNode>())
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{
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var model = GetTreeModel(node);
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list.Add(model);
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}
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}
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var result = await _bll.Save(_corpration.ID, _sitePolicy.ID, list);
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if (!result)
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{
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XtraMessageBox.Show("保存失败!");
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return;
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}
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XtraMessageBox.Show("保存成功!");
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}
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private Model.SiteOrgSaveTree GetTreeModel(TreeListNode node)
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{
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if (node == null)
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return default;
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var vm = GetViewModel(node);
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var model = new Model.SiteOrgSaveTree();
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if (!vm.IsNew)
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model.ID = vm.ID;
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model.TargetID = vm.TargetID;
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model.TargetType = vm.TargetType;
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if (node.Nodes != null && node.Nodes.Any())
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{
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model.Children = new List<Model.SiteOrgSaveTree>();
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foreach (TreeListNode childNode in node.Nodes.Cast<TreeListNode>())
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{
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var childModel = GetTreeModel(childNode);
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model.Children.Add(childModel);
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}
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}
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return model;
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}
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private void DeleteOrg()
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{
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var node = this.treeList1.FocusedNode;
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if (node == null)
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{
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XtraMessageBox.Show("请选择数据!");
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return;
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}
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if (XtraMessageBox.Show($"确认删除数据行(包含子节点)?", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation) != DialogResult.OK)
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return;
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this.treeList1.Nodes.Remove(node);
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}
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#endregion Org
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#region Drag
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private TreeListNode currentDragNode = null;
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private void TreeList1_DragOver(object sender, DragEventArgs e)
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{
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if (_sitePolicy == null)
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return;
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currentDragNode = (TreeListNode)e.Data.GetData(typeof(TreeListNode));
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if (currentDragNode != null)
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{
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var targetNode = this.treeList1.GetNodeAt(treeList1.PointToClient(new Point(e.X, e.Y)));
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if (currentDragNode == targetNode)
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{
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e.Effect = DragDropEffects.None;
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return;
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}
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e.Effect = DragDropEffects.Move;
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}
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else
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{
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e.Effect = e.Data.GetDataPresent(typeof(DragSiteOrg)) ? DragDropEffects.Move : DragDropEffects.None;
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}
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}
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private void TreeList1_DragDrop(object sender, DragEventArgs e)
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{
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var dragInsertPosition = AjustDirection(sender, e);
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if (currentDragNode != null)
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{
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SetCurrentDragNode(e, dragInsertPosition);
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currentDragNode = null;
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}
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else
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{
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AddOtherDragNode(e, dragInsertPosition);
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}
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}
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private void SetCurrentDragNode(DragEventArgs e, DragInsertPosition dragInsertPosition)
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{
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var dragNode = (TreeListNode)e.Data.GetData(typeof(TreeListNode));
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if (dragNode == null)
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return;
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var dragVm = GetViewModel(dragNode);
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if (dragVm == null)
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return;
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long parentId = 0;
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if (dragInsertPosition != DragInsertPosition.None)
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{
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var targetNode = GetTargetNode(e);
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var targetVm = GetViewModel(targetNode);
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if (targetVm != null)
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{
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if (dragInsertPosition == DragInsertPosition.AsChild)
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{
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if (targetVm.TargetType == IStation.ObjectType.SiteInfo)
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{
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XtraMessageBox.Show("请拖动至站点组下!");
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return;
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}
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parentId = targetVm.ID;
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}
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else
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{
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parentId = targetVm.ParentID;
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}
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}
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}
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var vmIndex = _allBindingList.FindIndex(x => x.ID == dragVm.ID);
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if (vmIndex != -1)
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{
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var vm = _allBindingList[vmIndex];
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vm.ParentID = parentId;
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}
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}
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private void AddOtherDragNode(DragEventArgs e, DragInsertPosition dragInsertPosition)
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{
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var dragSiteOrg = (DragSiteOrg)e.Data.GetData(typeof(DragSiteOrg));
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if (_allBindingList.Any())
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{
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foreach (var item in _allBindingList)
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{
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if (item.TargetType == dragSiteOrg.TargetType && item.TargetID == dragSiteOrg.TargetID)
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{
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XtraMessageBox.Show("对象已存在");
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return;
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}
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}
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}
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long parentId = 0;
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if (dragInsertPosition != DragInsertPosition.None)
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{
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var targetNode = GetTargetNode(e);
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var targetVm = GetViewModel(targetNode);
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if (targetVm != null)
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{
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if (dragInsertPosition == DragInsertPosition.AsChild)
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{
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if (targetVm.TargetType == IStation.ObjectType.SiteInfo)
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{
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XtraMessageBox.Show("请拖动至站点组下!");
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return;
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}
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parentId = targetVm.ID;
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}
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else
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{
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parentId = targetVm.ParentID;
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}
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}
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}
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var vm = new CurrentViewModel(dragSiteOrg)
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{
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PolicyID = _sitePolicy.ID,
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ParentID = parentId
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};
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_allBindingList.Add(vm);
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this.treeList1.RefreshDataSource();
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this.treeList1.ForceInitialize();
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}
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private TreeListNode GetTargetNode(DragEventArgs e)
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{
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var point = new Point(e.X, e.Y);
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var clientPoint = this.treeList1.PointToClient(point);
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var targetNode = this.treeList1.GetNodeAt(clientPoint);
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return targetNode;
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}
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private CurrentViewModel GetViewModel(TreeListNode node)
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{
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if (node == null)
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return default;
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var vm = this.treeList1.GetDataRecordByNode(node) as CurrentViewModel;
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return vm;
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}
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/// <summary>
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/// 获取拖动过程中的方向
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/// </summary>
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private DragInsertPosition AjustDirection(object sender, DragEventArgs e)
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{
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PropertyInfo pi = typeof(TreeList).GetProperty("Handler", BindingFlags.Instance | BindingFlags.NonPublic);
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TreeListHandler handler = (TreeListHandler)pi.GetValue(this.treeList1, null);
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return handler.StateData.DragInfo.DragInsertPosition;
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}
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#endregion Drag
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}
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}
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