private void TvTree_OnDrop(object sender, DragEventArgs e)
{
TreeViewItem dropTarget = (TreeViewItem)sender;
if (dropTarget == null || !this.dragging)
{
return;
}
// Check if any data is present.
if (!e.Data.GetDataPresent(DataFormats.StringFormat))
{
return;
}
string dragSourceBlueprintId = (string)e.Data.GetData(DataFormats.StringFormat);
BlueprintViewModel dropTargetBlueprint = (BlueprintViewModel)dropTarget.Header;
// Prevent dragging and dropping on self.
if (dragSourceBlueprintId.Equals(dropTargetBlueprint.BlueprintId))
{
return;
}
// Reparent blueprint.
BlueprintManagerViewModel viewModel = this.DataContext as BlueprintManagerViewModel;
if (viewModel != null)
{
viewModel.ReparentBlueprint(dragSourceBlueprintId, dropTargetBlueprint.BlueprintId);
}
// Stop dragging to prevent raising the drop event on parent items.
this.dragging = false;
}
public void SetUp()
{
this.testBlueprintManager = new HierarchicalBlueprintManager();
this.testBlueprintManager.AddChild(new BlueprintManager());
this.testViewModel = new BlueprintManagerViewModel(new List<Type>(), this.testBlueprintManager);
this.testViewModel.CurrentBlueprintManager = (BlueprintManager)this.testBlueprintManager.Children.First();
UndoService.Current.Clear();
}
public void SetUp()
{
this.testBlueprintManager = new HierarchicalBlueprintManager();
this.testBlueprintManager.AddChild(new BlueprintManager());
this.testViewModel = new BlueprintManagerViewModel(new List <Type>(), this.testBlueprintManager);
this.testViewModel.CurrentBlueprintManager = (BlueprintManager)this.testBlueprintManager.Children.First();
UndoService.Current.Clear();
}
private void UpdateSelectedBlueprint()
{
// Search for view model in current blueprints.
BlueprintManagerViewModel dataContext = (BlueprintManagerViewModel)this.DataContext;
var selectedBlueprint = dataContext != null
? dataContext.Blueprints.FirstOrDefault(
blueprint => blueprint.BlueprintId == this.selectedBlueprintId)
: null;
this.ComboBox.SelectedItem = selectedBlueprint;
}
private void ExecutedCreateNewBlueprint(object sender, ExecutedRoutedEventArgs e)
{
try
{
BlueprintManagerViewModel viewModel = this.DataContext as BlueprintManagerViewModel;
if (viewModel != null)
{
viewModel.CreateNewBlueprint();
}
}
catch (ArgumentException ex)
{
EditorDialog.Error("Unable to add blueprint", ex.Message);
}
}
private ListCollectionView CreateBlueprintsView()
{
BlueprintManagerViewModel dataContext = (BlueprintManagerViewModel)this.DataContext;
if (dataContext == null)
{
return(null);
}
ListCollectionView newBlueprintsView = new ListCollectionView(dataContext.Blueprints);
newBlueprintsView.SortDescriptions.Add(new SortDescription("BlueprintId", ListSortDirection.Ascending));
if (this.Filter != null)
{
newBlueprintsView.Filter = blueprint => this.Filter((BlueprintViewModel)blueprint);
}
return(newBlueprintsView);
}
private void CanExecuteCreateNewBlueprint(object sender, CanExecuteRoutedEventArgs e)
{
BlueprintManagerViewModel viewModel = this.DataContext as BlueprintManagerViewModel;
e.CanExecute = viewModel == null || viewModel.CanExecuteCreateNewBlueprint();
}
