private C1TreeViewItem FindItem(C1HierarchicalPresenter tree, FeatureDescription feature)
{
var treeViewItem = tree.ItemContainerGenerator.ContainerFromItem(feature) as C1TreeViewItem;
if (treeViewItem != null)
{
return(treeViewItem);
}
else
{
foreach (var item in tree.Items)
{
var tvi = tree.ItemContainerGenerator.ContainerFromItem(item) as C1TreeViewItem;
if (tvi != null && tvi.HasItems)
{
treeViewItem = FindItem(tvi, feature);
if (treeViewItem != null)
{
return(treeViewItem);
}
}
}
}
return(null);
}
protected void OnNavigatedFrom(NavigationEventArgs e)
{
FeatureDescription feature = DataContext as FeatureDescription;
if (feature != null)
{
IDisposable disposable = feature.Sample as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
public void OnNavigatedTo(string fragment)
{
fragment = "/" + Uri.UnescapeDataString(fragment);
var args = fragment.Split('/');
FeatureDescription feature = null;
if (args.Length > 1)
{
var control = MainViewModel.Instance.Controls.FirstOrDefault(c => c.Name.Equals(args[1]));
if (control != null)
{
feature = control.GetAllFeatures().FirstOrDefault(f => f.Link.OriginalString == fragment);
}
}
else
{
feature = MainViewModel.Instance.Features.FirstOrDefault(f => f.Link.OriginalString == fragment);
}
if (feature.SubFeatures.Count != 0)
{
FeatureDescription toSelect = feature.SubFeatures[0];
foreach (var f in feature.SubFeatures)
{
if (f.IsNew)
{
toSelect = f;
}
}
feature.IsExpanded = true;
feature = toSelect;
}
if (feature != null)
{
try
{
Title = feature.Control.Name + " - " + feature.Name;
var assembly = Assembly.LoadFrom(feature.AssemblyName);
feature.Sample = assembly.CreateInstance(feature.FullDemoControlTypeName) as FrameworkElement;
properties.AvailableEditors.Insert(0, new TimeSpanEditor());
properties.AvailableEditors.Insert(0, new NumericEditor());
properties.AvailableEditors.Insert(0, new ReadOnlyImageSourceEditor());
properties.AvailableEditors.Insert(0, new CornerRadiusEditor());
properties.PropertyAttributes.Clear();
LoadCollection <PropertyAttribute>(properties.PropertyAttributes, feature.Properties);
DataContext = feature;
if (feature.Sample == null)
{
code.ContainsSample = false;
}
else
{
code.ContainsSample = true;
code.Source = feature.Source;
}
Dispatcher.BeginInvoke(new Action(() =>
{
this.UpdateLayout();
var mask = properties.SelectedObject as BasicControls.DemoMaskedTextBox;
if (mask != null)
{
foreach (PropertyBox box in properties.PropertyBoxes)
{
if (box.CurrentEditor != null && box.CurrentEditor is StringEditor && box.PropertyAttribute.DisplayName == "Text")
{
TextBox txt = box.CurrentEditor as TextBox;
txt.PreviewTextInput += txt_PreviewTextInput;
txt.TextChanged += txt_TextChanged;
break;
}
}
}
var item = FindItem(tree, feature);
if (item != null)
{
item.IsSelected = true;
IList <DependencyObject> list = new List <DependencyObject>();
VTreeHelper.GetChildrenOfType(tree, typeof(ScrollViewer), ref list);
if (list.Count > 0)
{
ScrollViewer scv = list[0] as ScrollViewer;
Point point = item.TransformToVisual(scv).Transform(new Point(scv.HorizontalOffset, scv.VerticalOffset));
Rect rect = new Rect(point, new Point(point.X + item.ActualWidth, point.Y + item.ActualHeight));
if (scv.VerticalOffset > rect.Top)
{
scv.ScrollToVerticalOffset(rect.Top);
}
else if (scv.VerticalOffset < rect.Bottom - scv.ViewportHeight)
{
scv.ScrollToVerticalOffset(rect.Bottom - scv.ViewportHeight);
}
}
}
}), System.Windows.Threading.DispatcherPriority.Loaded);
}
catch (Exception exc)
{
if (exc.InnerException != null &&
exc.InnerException.Message != null &&
exc.InnerException.Message.Contains(ControlExplorer.Properties.Resources.SamplePage_ExceptionText))
{
Dispatcher.BeginInvoke(new Action(() =>
{
MessageBox.Show(ControlExplorer.Properties.Resources.SamplePage_MsgBoxText);
}), null);
}
if (NavigationService.CanGoBack)
{
NavigationService.GoBack();
}
}
}
}