public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
DataTemplate retval = null;
FrameworkElement element = container as FrameworkElement;
if (element != null && item != null && item is NavigatorItemViewModel)
{
NavigatorItemViewModel hierarchyItem = item as NavigatorItemViewModel;
if (hierarchyItem.DataItem != null)
{
if (hierarchyItem.DataItem.GetType() == typeof(ProjectModel))
{
retval = element.FindResource("ProjectTemplate") as DataTemplate;
}
else if (hierarchyItem.DataItem.GetType() == typeof(ControllerModel))
{
retval = element.FindResource("ControllerTemplate") as DataTemplate;
}
else if (hierarchyItem.DataItem.GetType() == typeof(ControllerNodeModel))
{
retval = element.FindResource("ControllerNodeTemplate") as DataTemplate;
}
else if (hierarchyItem.DataItem.GetType() == typeof(LoopModel))
{
retval = element.FindResource("LoopTemplate") as DataTemplate;
}
}
}
return(retval);
}
public void Initialize(List <ProjectModel> projects, object selectedEntity)
{
// 项目级别信息集合
var projectHierarchyItemsList = new List <NavigatorItemViewModel>();
foreach (var p in projects)
{
// 为项目信息创建导航节点
var projectHierarchyItem = new NavigatorItemViewModel(p);
projectHierarchyItemsList.Add(projectHierarchyItem);
// 判断当前节点是否为选中节点
if (selectedEntity != null && selectedEntity.GetType() == typeof(ProjectModel) && (selectedEntity as ProjectModel).Equals(p))
{
_selectedItem = projectHierarchyItem;
}
// 判断项目下是否有控制器节点
if (p.Controllers.Count != 0)
{
// 创建“控制器”导航节点
var controllerHierarchyItemsList = new List <NavigatorItemViewModel>();
foreach (var c in p.Controllers)
{
// 为“控制器信息”创建导航节点
var controllerHierarchyItem = new NavigatorItemViewModel(c);
controllerHierarchyItem.Parent = projectHierarchyItem;
controllerHierarchyItemsList.Add(controllerHierarchyItem);
// 判断当前节点是否为选中节点
if (selectedEntity != null && selectedEntity.GetType() == typeof(ControllerModel) && (selectedEntity as ControllerModel).Equals(c))
{
_selectedItem = controllerHierarchyItem;
}
#region 根据控制器类型获取配置的节点
IControllerConfig config = ControllerConfigManager.GetConfigObject(c.Type);
ControllerNodeModel[] nodeModel = config.GetNodes();
#endregion
if (nodeModel.Length != 0)
{
var controllerNodeHierarchyItemList = new List <NavigatorItemViewModel>();
foreach (var cNode in nodeModel)
{
//为“控制器节点类型”创建导航节点
var nodeHierarchyItem = new NavigatorItemViewModel(cNode);
nodeHierarchyItem.Parent = controllerHierarchyItem;
controllerNodeHierarchyItemList.Add(nodeHierarchyItem);
if (selectedEntity != null && selectedEntity.GetType() == typeof(ControllerNodeModel) && (selectedEntity as ControllerNodeModel).Equals(cNode))
{
_selectedItem = controllerHierarchyItem;
}
//如果节点类型为“回路”，需要为其增加“回路号”导航节点
if (cNode.Type == ControllerNodeType.Loop) //回路数据应该加载回路信息
{
if (c.Loops.Count > 0) //加载回路数据
{
var loopHierarchyItemList = new List <NavigatorItemViewModel>();
foreach (var l in c.Loops)
{
//为回路信息创建导航节点
var loopHierarchyItem = new NavigatorItemViewModel(l);
loopHierarchyItem.Parent = nodeHierarchyItem;
loopHierarchyItemList.Add(loopHierarchyItem);
if (selectedEntity != null && selectedEntity.GetType() == typeof(LoopModel) && (selectedEntity as LoopModel).Equals(l))
{
_selectedItem = loopHierarchyItem;
}
}
nodeHierarchyItem.Children = new CollectionView(loopHierarchyItemList);
}
}
}
controllerHierarchyItem.Children = new CollectionView(controllerNodeHierarchyItemList);
}
}
projectHierarchyItem.Children = new CollectionView(controllerHierarchyItemsList);
}
}
this.Projects = new CollectionView(projectHierarchyItemsList);
// 设置选中节点状态，并展开当前选中节点
if (_selectedItem != null)
{
_selectedItem.IsSelected = true;
NavigatorItemViewModel current = _selectedItem.Parent;
while (current != null)
{
current.IsExpanded = true;
current = current.Parent;
}
}
}
