// Using convention and reflection to get RootItem iRootNr
//If iRootNr>= ListNavTreeRootItemsByConvention().Count we use driveItem by default
public static NavTreeItem ReturnRootItem(int iRootNr, bool includeFileChildren = false)
{
// Set default System.Type
Type selectedType = typeof(DriveRootItem);
string selectedName = "Drive";
// Can you find other type given the conventions ..RootItem name and iRootNr
var entityTypes =
from t in System.Reflection.Assembly.GetAssembly(typeof(NavTreeItem)).GetTypes() where t.IsSubclassOf(typeof(NavTreeItem)) select t;
int i = 0;
foreach (var tt in entityTypes)
{
if (tt.Name.EndsWith(LastPartRootItemName))
{
if (i == iRootNr)
{
selectedType = Type.GetType(tt.FullName);
selectedName = tt.Name.Replace(LastPartRootItemName, "");
break;
}
i++;
}
}
// Use selectedType to create root ..
NavTreeItem rootItem = (NavTreeItem)Activator.CreateInstance(selectedType);
rootItem.FriendlyName = selectedName;
rootItem.IncludeFileChildren = includeFileChildren;
return(rootItem);
}
// Constructors
public DirectoryPickerViewModel(int pRootNumber = 0, bool pIncludeFileChildren = false)
{
try
{
CheckSelectedPath(Properties.Settings.Default.Zenfolio7_SelectedPath);
}
catch (Exception ex)
{
//do something
}
SelectedPathFromTreeCommand = new RelayCommand(SelectedPathFromTree);
RootChildren = new ObservableCollection <INavTreeItem> {
};
// create a new RootItem given rootNumber using convention
RootNr = pRootNumber;
NavTreeItem treeRootItem = NavTreeRootItemUtils.ReturnRootItem(pRootNumber, pIncludeFileChildren);
TreeName = treeRootItem.FriendlyName;
// Delete RootChildren and init RootChildren ussing treeRootItem.Children
foreach (INavTreeItem item in RootChildren)
{
item.DeleteChildren();
}
RootChildren.Clear();
foreach (INavTreeItem item in treeRootItem.Children)
{
RootChildren.Add(item);
}
}
public void RebuildTree(int pRootNr = -1, bool pIncludeFileChildren = false)
{
// First take snapshot of current expanded items
List <String> SnapShot = NavTreeUtils.TakeSnapshot(rootChildren);
// As a matter of fact we delete and construct the tree//RoorChildren again.....
// Delete all rootChildren
foreach (INavTreeItem item in rootChildren)
{
item.DeleteChildren();
}
rootChildren.Clear();
// Create treeRootItem
if (pRootNr != -1)
{
RootNr = pRootNr;
}
treeRootItem = NavTreeRootItemUtils.ReturnRootItem(RootNr, pIncludeFileChildren);
if (pRootNr != -1)
{
TreeName = treeRootItem.FriendlyName;
}
// Copy children treeRootItem to RootChildren, set up new tree
foreach (INavTreeItem item in treeRootItem.Children)
{
RootChildren.Add(item);
}
//Expand previous snapshot
NavTreeUtils.ExpandSnapShotItems(SnapShot, treeRootItem);
}
// Constructors
public NavTreeVm(int pRootNumber = 0, bool pIncludeFileChildren = true)
{
// create a new RootItem given rootNumber using convention
RootNr = pRootNumber;
treeRootItem = NavTreeRootItemUtils.ReturnRootItem(pRootNumber, pIncludeFileChildren);
TreeName = treeRootItem.FriendlyName;
//treeRootItem.IsExpanded
// Delete RootChildren and init RootChildren using treeRootItem.Children
foreach (INavTreeItem item in RootChildren)
{
item.DeleteChildren();
}
RootChildren.Clear();
foreach (INavTreeItem item in treeRootItem.Children)
{
RootChildren.Add(item);
}
selectedPathFromTreeCommand = new DelegateCommand(LoadImagesToListbox);
}
// Constructors
public NavTreeVm(int pRootNumber = 0, bool pIncludeFileChildren = false)
{
// create a new RootItem given rootNumber using convention
RootNr = pRootNumber;
NavTreeItem treeRootItem = NavTreeRootItemUtils.ReturnRootItem(pRootNumber, pIncludeFileChildren);
TreeName = treeRootItem.FriendlyName;
// Delete RootChildren and init RootChildren ussing treeRootItem.Children
foreach (INavTreeItem item in RootChildren)
{
item.DeleteChildren();
}
RootChildren.Clear();
foreach (INavTreeItem item in treeRootItem.Children)
{
RootChildren.Add(item);
}
}
