private void TreeViewItem_Expanded(object sender, RoutedEventArgs e)
{
try
{
TreeViewItem item = e.Source as TreeViewItem;
if ((item.Items.Count == 1) && (item.Items[0] is int))
{
TreeViewItemTag tag = (TreeViewItemTag)item.Tag;
IResultTreeItem resultTreeItem = tag.ResultTreeItem;
int level = tag.Level;
TreeViewItem lastItem = null;
item.Items.Clear();
foreach (var child in resultTreeItem.Children.OrderBy(s => s.Name.StartsWith("[")).ThenBy(s => s.Name))
{
item.Items.Add(lastItem = CreateTreeItem(child, level + 1));
}
// Check if we need to fix empty list item width
if (lastItem != null && double.IsNaN(emptyListItem.Width))
{
item.Dispatcher.BeginInvoke(new Action(() =>
{
emptyListItem.Width = item.ActualWidth - lastItem.ActualWidth;
}), System.Windows.Threading.DispatcherPriority.Background);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private UIElement Visualize(object obj)
{
// Create top level table grid
Grid tableGrid = new Grid();
dispatcher = tableGrid.Dispatcher;
Grid.SetIsSharedSizeScope(tableGrid, true);
tableGrid.RowDefinitions.Add(new RowDefinition()
{
Height = new GridLength(1, GridUnitType.Auto),
});
// Create table header
TreeViewItem header = new TreeViewItem();
Grid headerGrid = CreateTreeItemGrid(0);
TextBlock name = new TextBlock();
name.Text = "Name";
name.FontWeight = FontWeights.Bold;
Grid.SetColumn(name, NameColumnIndex);
headerGrid.Children.Add(name);
TextBlock value = new TextBlock();
value.Text = "Value";
value.FontWeight = FontWeights.Bold;
Grid.SetColumn(value, ValueColumnIndex);
headerGrid.Children.Add(value);
TextBlock type = new TextBlock();
type.Text = "Type";
type.FontWeight = FontWeights.Bold;
Grid.SetColumn(type, TypeColumnIndex);
headerGrid.Children.Add(type);
emptyListItem = new TreeViewItem();
emptyListItem.Padding = new Thickness(0);
emptyListItem.Focusable = false;
Grid.SetColumn(emptyListItem, 1);
emptyListItem.Focusable = false;
headerGrid.Children.Add(emptyListItem);
header.Focusable = false;
header.Header = headerGrid;
// Create table tree
TreeView tree = new TreeView();
IResultTreeItem resultTreeItem = ResultTreeItem.Create(obj, obj.GetType(), "result", null, this);
tree.PreviewKeyDown += Tree_PreviewKeyDown;
tree.Items.Add(header);
tree.Items.Add(CreateTreeItem(resultTreeItem, 0));
((TreeViewItem)tree.Items[1]).IsSelected = true;
tableGrid.Children.Add(tree);
return(tableGrid);
}
private TreeViewItem CreateTreeItem(IResultTreeItem resultTreeItem, int level)
{
TreeViewItem item = new TreeViewItem();
Grid grid = CreateTreeItemGrid(level);
UIElement name = CreateTextWithIcon(resultTreeItem.Name, resultTreeItem.Image);
grid.Children.Add(name);
object itemValue = resultTreeItem.Value;
if (itemValue is UIElement)
{
Grid.SetColumn((UIElement)itemValue, ValueColumnIndex);
grid.Children.Add((UIElement)itemValue);
}
else
{
TextBlock value = new TextBlock();
value.Text = itemValue.ToString();
Grid.SetColumn(value, ValueColumnIndex);
grid.Children.Add(value);
}
TextBlock type = new TextBlock();
type.Text = resultTreeItem.Type;
Grid.SetColumn(type, TypeColumnIndex);
grid.Children.Add(type);
item.Header = grid;
item.Tag = new TreeViewItemTag()
{
ResultTreeItem = resultTreeItem,
Level = level,
};
if (resultTreeItem.Children.Any())
{
item.Items.Add(0);
}
item.Expanded += TreeViewItem_Expanded;
return(item);
}
private TreeViewItem CreateTreeItem(IResultTreeItem resultTreeItem, int level)
{
TreeViewItem item = new TreeViewItem();
Grid grid = CreateTreeItemGrid(level);
UIElement name = CreateTextWithIcon(resultTreeItem.Name, resultTreeItem.Image);
grid.Children.Add(name);
object itemValue = resultTreeItem.Value;
if (itemValue is UIElement)
{
Grid.SetColumn((UIElement)itemValue, ValueColumnIndex);
grid.Children.Add((UIElement)itemValue);
}
else
{
TextBlock value = new TextBlock();
value.Text = resultTreeItem.ValueString;
Grid.SetColumn(value, ValueColumnIndex);
grid.Children.Add(value);
}
TextBlock type = new TextBlock();
type.Text = resultTreeItem.Type;
Grid.SetColumn(type, TypeColumnIndex);
grid.Children.Add(type);
item.Header = grid;
item.Tag = new TreeViewItemTag()
{
ResultTreeItem = resultTreeItem,
Level = level,
};
if (resultTreeItem.Children.Any())
item.Items.Add(0);
item.Expanded += TreeViewItem_Expanded;
return item;
}