protected override void f_TreeView_DragDrop(object sender, DragEventArgs e, Ctrl_TreeNodeGroup a_TargetNodeGroup)
{
if (a_TargetNodeGroup != null)
{
using (var transaction = Cl_App.m_DataContext.Database.BeginTransaction())
{
try
{
Ctrl_TreeNodeTemplate draggedNodeTemplate = (Ctrl_TreeNodeTemplate)e.Data.GetData(typeof(Ctrl_TreeNodeTemplate));
if (e.Effect == DragDropEffects.Move)
{
Cl_EntityLog eLog = new Cl_EntityLog();
eLog.f_SetEntity(draggedNodeTemplate.p_Template);
var elsDraggeds = Cl_App.m_DataContext.p_Templates.Where(el => el.p_TemplateID == draggedNodeTemplate.p_Template.p_TemplateID);
if (elsDraggeds != null)
{
bool isChange = false;
foreach (Cl_Template el in elsDraggeds)
{
el.p_ParentGroupID = a_TargetNodeGroup.p_Group.p_ID;
isChange = true;
}
if (isChange)
{
Cl_App.m_DataContext.SaveChanges();
eLog.f_SaveEntity(draggedNodeTemplate.p_Template);
transaction.Commit();
draggedNodeTemplate.Remove();
a_TargetNodeGroup.Nodes.Insert(f_GetFirstGroupInNode(a_TargetNodeGroup.Nodes), draggedNodeTemplate);
}
}
else
{
MonitoringStub.Error("Error_Tree", "Не найден шаблон", new Exception("EX ERROR"), "draggedNodeTemplate.p_Template.p_TemplateID = " + draggedNodeTemplate.p_Template.p_TemplateID, null);
}
}
}
catch (Exception ex)
{
transaction.Rollback();
MonitoringStub.Error("Error_Tree", "При перемещении шаблона произошла ошибка", ex, null, null);
return;
}
}
}
}
private void f_DragNewTemplate(Ctrl_TreeNodeTemplate a_NodeTemplate, int a_PosX, int a_PosY)
{
if (a_NodeTemplate == null)
{
return;
}
if (a_NodeTemplate.p_Template == null)
{
return;
}
Ctrl_Template ctrlEl = new Ctrl_Template();
Cl_TemplatesFacade.f_GetInstance().f_LoadTemplatesElements(a_NodeTemplate.p_Template);
ctrlEl.p_Template = a_NodeTemplate.p_Template;
ctrlEl.Name = f_CreateName(ctrlEl.p_Name);
Items.Add(ctrlEl);
this.Invalidate(this.InsertionIndex);
this.InsertionIndex = InvalidIndex;
ctrlMenuDel.Visible = Items.Count > 0;
}
protected override void OnDragDrop(DragEventArgs drgevent)
{
string[] formats = drgevent.Data.GetFormats();
foreach (string format in formats)
{
var item = drgevent.Data.GetData(format);
if (item is Ctrl_TreeNodeElement || item is Ctrl_TreeNodeTemplate)
{
if (item is Ctrl_TreeNodeElement)
{
Ctrl_TreeNodeElement nodeEl = (Ctrl_TreeNodeElement)item;
if (f_HasElement(nodeEl.p_Element) || nodeEl.p_Element.p_Version == 0)
{
MonitoringStub.Warning("Элемент уже в шаблоне");
return;
}
}
else if (item is Ctrl_TreeNodeTemplate)
{
Ctrl_TreeNodeTemplate nodeTemp = (Ctrl_TreeNodeTemplate)item;
if (f_HasElement(nodeTemp.p_Template) || nodeTemp.p_Template.p_Version == 0)
{
MonitoringStub.Warning("Элемент уже в шаблоне");
return;
}
}
}
}
if (this.IsDragging)
{
try
{
if (this.InsertionIndex != InvalidIndex)
{
int dragIndex;
int dropIndex;
dragIndex = (int)drgevent.Data.GetData(typeof(int));
dropIndex = this.InsertionIndex;
if (dragIndex < dropIndex)
{
dropIndex--;
}
if (this.InsertionMode == I_InsertionMode.After && dragIndex < this.Items.Count - 1)
{
dropIndex++;
}
if (dropIndex != dragIndex)
{
//Point clientPoint = this.PointToClient(new Point(drgevent.X, drgevent.Y));
//args = new ListBoxItemDragEventArgs(dragIndex, dropIndex, this.InsertionMode, clientPoint.X, clientPoint.Y);
//this.OnItemDrag(args);
//if (!args.Cancel)
{
object dragItem;
dragItem = this.Items[dragIndex];
this.Items.Remove(dragIndex);
this.Items.Insert(dropIndex, dragItem);
this.SelectedItem = dragItem;
}
}
}
}
finally
{
this.Invalidate(this.InsertionIndex);
this.InsertionIndex = InvalidIndex;
this.InsertionMode = I_InsertionMode.None;
this.IsDragging = false;
}
}
else
{
if (drgevent.Data.GetData(drgevent.Data.GetFormats()[0]) is Ctrl_TreeNodeElement)
{
f_DragNewElement(drgevent.Data.GetData(drgevent.Data.GetFormats()[0]) as Ctrl_TreeNodeElement, drgevent.X, drgevent.Y);
}
else if (drgevent.Data.GetData(drgevent.Data.GetFormats()[0]) is Ctrl_TreeNodeTemplate)
{
f_DragNewTemplate(drgevent.Data.GetData(drgevent.Data.GetFormats()[0]) as Ctrl_TreeNodeTemplate, drgevent.X, drgevent.Y);
}
}
base.OnDragDrop(drgevent);
}
