public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
DataTemplate retval = null;
FrameworkElement element = container as FrameworkElement;
if (element != null && item != null && item is HierarchyItemViewModel)
{
HierarchyItemViewModel hierarchyItem = item as HierarchyItemViewModel;
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);
}
private List <HierarchyItemViewModel> BuildHierarchyList <T>(List <T> sourceList, Func <T, T, bool> isSelected, object selectedEntity, Func <T, List <HierarchyItemViewModel> > getChildren)
{
List <HierarchyItemViewModel> result = new List <HierarchyItemViewModel>();
foreach (T item in sourceList)
{
// create the hierarchy item and add to the list
var hierarchyItem = new HierarchyItemViewModel(item);
result.Add(hierarchyItem);
// check if this is the selected item
if (selectedEntity != null && selectedEntity.GetType() == typeof(T) && (isSelected.Invoke(item, (T)selectedEntity)))
{
_selectedItem = hierarchyItem;
}
if (getChildren != null)
{
var children = getChildren.Invoke(item);
children.ForEach(x => x.Parent = hierarchyItem);
hierarchyItem.Children = new CollectionView(children);
}
}
return(result);
}
public void GetDetailsExecute()
{
HierarchyItemViewModel o = this._selectedItem;
// this.lstMessages.Items.Add(message);
}
public void Initialize(List <ProjectModel> projects, object selectedEntity)
{
// create the top level collectionview for the customers
var projectHierarchyItemsList = new List <HierarchyItemViewModel>();
foreach (var p in projects)
{
// create the hierarchy item and add to the list
var projectHierarchyItem = new HierarchyItemViewModel(p);
projectHierarchyItemsList.Add(projectHierarchyItem);
// check if this is the selected item
if (selectedEntity != null && selectedEntity.GetType() == typeof(ProjectModel) && (selectedEntity as ProjectModel).Equals(p))
{
_selectedItem = projectHierarchyItem;
}
// if there are any orders in projectHierarchyItem
if (p.Controllers.Count != 0)
{
// create a new list of HierarchyItems
var controllerHierarchyItemsList = new List <HierarchyItemViewModel>();
// loop through the orders and add them
foreach (var c in p.Controllers)
{
// create the hierarchy item and add to the list
var controllerHierarchyItem = new HierarchyItemViewModel(c);
controllerHierarchyItem.Parent = projectHierarchyItem;
controllerHierarchyItemsList.Add(controllerHierarchyItem);
// check if this is the selected item
if (selectedEntity != null && selectedEntity.GetType() == typeof(ControllerModel) && (selectedEntity as ControllerModel).Equals(c))
{
_selectedItem = controllerHierarchyItem;
}
IControllerConfig config = ControllerConfigManager.GetConfigObject(c.Type);
ControllerNodeModel[] nodeModel = config.GetNodes();
if (nodeModel.Length != 0)
{
var controllerNodeHierarchyItemList = new List <HierarchyItemViewModel>();
foreach (var cNode in nodeModel)
{
var nodeHierarchyItem = new HierarchyItemViewModel(cNode);
nodeHierarchyItem.Parent = controllerHierarchyItem;
controllerNodeHierarchyItemList.Add(nodeHierarchyItem);
if (selectedEntity != null && selectedEntity.GetType() == typeof(ControllerNodeModel) && (selectedEntity as ControllerNodeModel).Equals(cNode))
{
_selectedItem = controllerHierarchyItem;
}
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 <HierarchyItemViewModel>();
foreach (var l in c.Loops)
{
var loopHierarchyItem = new HierarchyItemViewModel(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);
}
}
// create the children of the customer
projectHierarchyItem.Children = new CollectionView(controllerHierarchyItemsList);
}
}
this.Projects = new CollectionView(projectHierarchyItemsList);
// select the selected item and expand it'type parents
if (_selectedItem != null)
{
_selectedItem.IsSelected = true;
HierarchyItemViewModel current = _selectedItem.Parent;
while (current != null)
{
current.IsExpanded = true;
current = current.Parent;
}
}
}