public override System.Windows.DataTemplate SelectTemplate(object item, System.Windows.DependencyObject container)
{
XPathNavigatorView view = item as XPathNavigatorView;
if (view != null)
{
XPathNavigator navigator = view.XPathNavigator;
if (navigator != null)
{
switch (navigator.NodeType)
{
case XPathNodeType.Root:
return(App.Current.FindResource("xmlDeclarationXmlNodeTemplate") as DataTemplate);
case XPathNodeType.ProcessingInstruction:
return(App.Current.FindResource("processingInstructionXPathNavigatorTemplate") as DataTemplate);
case XPathNodeType.Comment:
return(App.Current.FindResource("commentXPathNavigatorTemplate") as DataTemplate);
case XPathNodeType.Element:
return(App.Current.FindResource("elementXPathNavigatorTemplate") as DataTemplate);
case XPathNodeType.Text:
return(App.Current.FindResource("textXPathNavigatorTemplate") as DataTemplate);
case XPathNodeType.Attribute:
return(App.Current.FindResource("attributeXPathNavigatorTemplate") as DataTemplate);
}
}
}
return(base.SelectTemplate(item, container));
}
public void SelectXPathNavigator(XPathNavigator targetNavigator)
{
if (targetNavigator == null)
{
throw new ArgumentNullException("targetNavigator");
}
// we've found a node, so build an ancestor stack
Stack <XPathNavigator> ancestors = this.GetAncestors(targetNavigator);
IEnumerable items = this.Items;
XPathNavigatorView targetView = null;
while (ancestors.Count > 0)
{
XPathNavigator navigator = ancestors.Pop();
foreach (object item in items)
{
XPathNavigatorView view = item as XPathNavigatorView;
if (view == null)
{
return;
}
if (view.XPathNavigator.IsSamePosition(navigator))
{
if (ancestors.Count > 0)
{
view.IsExpanded = true;
items = view.Children;
}
targetView = view;
break;
}
}
}
if (targetView != null)
{
XPathNavigatorView previousSelectedItem = this.SelectedItem as XPathNavigatorView;
if (targetView.IsSelected && targetView != previousSelectedItem)
{
targetView.IsSelected = false;
}
targetView.IsSelected = true;
if (previousSelectedItem != null && previousSelectedItem != targetView && previousSelectedItem.IsSelected)
{
previousSelectedItem.IsSelected = false;
}
}
return;
}
public string CopyXPath()
{
XPathNavigatorView navigatorView = this.GetSelectedNavigatorView();
string text = this.GetXmlNodeFullPath(navigatorView.XPathNavigator);
Clipboard.SetText(text);
return(text);
}
public void CollapseAll()
{
XPathNavigatorView navigatorView = this.GetSelectedNavigatorView();
if (navigatorView == null)
{
return;
}
navigatorView.CollapseAll();
}
public void ExpandAll()
{
XPathNavigatorView navigatorView = this.GetSelectedNavigatorView();
if (navigatorView == null)
{
return;
}
navigatorView.ExpandAll();
}
public object EvaluateXPath(string xpath)
{
XPathNavigatorView navigatorView = this.GetSelectedNavigatorView();
if (navigatorView == null)
{
return(null);
}
// evaluate the expression, return the result
return(navigatorView.XPathNavigator.Evaluate(xpath, this.XmlNamespaceManager));
}
public void CopyXml()
{
XPathNavigatorView navigatorView = this.GetSelectedNavigatorView();
if (navigatorView == null)
{
return;
}
string text = this.GetXPathNavigatorFormattedXml(navigatorView.XPathNavigator);
Clipboard.SetText(text);
}
public XPathNavigatorView GetSelectedNavigatorView()
{
// get the selected node
XPathNavigatorView navigator = this.SelectedItem as XPathNavigatorView;
// if there is no selected node, default to the root node
if (navigator == null && this.Items.Count > 0)
{
return(this.Items[0] as XPathNavigatorView);
}
return(navigator);
}
protected override void OnMouseUp(MouseButtonEventArgs e)
{
try
{
base.OnMouseUp(e);
if (e.ChangedButton != MouseButton.Right)
{
return;
}
DependencyObject obj = this.InputHitTest(e.GetPosition(this)) as DependencyObject;
if (obj == null)
{
return;
}
// cycle up the tree until you hit a TreeViewItem
while (obj != null && !(obj is TreeViewItem))
{
obj = VisualTreeHelper.GetParent(obj);
}
TreeViewItem item = obj as TreeViewItem;
if (item == null)
{
return;
}
XPathNavigatorView view = item.DataContext as XPathNavigatorView;
if (view == null)
{
return;
}
view.IsSelected = true;
ContextMenu contextMenu = this.Resources["treeContextMenu"] as ContextMenu;
if (contextMenu == null)
{
return;
}
contextMenu.PlacementTarget = item;
contextMenu.IsOpen = true;
}
catch (Exception ex)
{
App.HandleException(ex);
}
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
List <XPathNavigatorView> childNavigatorViews;
XPathNodeIterator iterator = value as XPathNodeIterator;
if (iterator != null)
{
childNavigatorViews = new List <XPathNavigatorView>();
foreach (XPathNavigator childNavigator in iterator)
{
childNavigatorViews.Add(new XPathNavigatorView(childNavigator));
}
return(childNavigatorViews);
}
XPathNavigator navigator;
XPathNavigatorView view = value as XPathNavigatorView;
if (view != null)
{
navigator = view.XPathNavigator;
}
else
{
navigator = value as XPathNavigator;
}
if (navigator == null)
{
return(null);
}
childNavigatorViews = new List <XPathNavigatorView>();
foreach (XPathNavigator childNavigator in navigator.SelectChildren(XPathNodeType.All))
{
childNavigatorViews.Add(new XPathNavigatorView(childNavigator));
}
return(childNavigatorViews);
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
XPathNavigator navigator;
XPathNavigatorView view = value as XPathNavigatorView;
if (view != null)
{
navigator = view.XPathNavigator;
}
else
{
navigator = value as XPathNavigator;
}
if (navigator == null)
{
return(null);
}
if (!navigator.HasAttributes)
{
return(null);
}
List <XPathNavigator> attributes = new List <XPathNavigator>();
// clone the node's navigator (cursor), so it doesn't lose it's position
XPathNavigator attributeNavigator = navigator.Clone();
if (attributeNavigator.MoveToFirstAttribute())
{
do
{
attributes.Add(attributeNavigator.Clone());
}while (attributeNavigator.MoveToNextAttribute());
}
return(attributes);
}
