protected VisualTreeItem(object target, VisualTreeItem parent)
{
this.target = target;
this.parent = parent;
if (parent != null)
this.depth = parent.depth + 1;
}
public static VisualTreeItem Construct(object target, VisualTreeItem parent)
{
VisualTreeItem visualTreeItem;
if (target is Visual)
{
visualTreeItem = new VisualItem((Visual)target, parent);
}
else if (target is ResourceDictionary)
{
visualTreeItem = new ResourceDictionaryItem((ResourceDictionary)target, parent);
}
else if (target is Application)
{
visualTreeItem = new ApplicationTreeItem((Application)target, parent);
}
else
{
visualTreeItem = new VisualTreeItem(target, parent);
}
visualTreeItem.Reload();
return(visualTreeItem);
}
private void HandlePreProcessInput(object sender, PreProcessInputEventArgs e)
{
this.OnPropertyChanged("CurrentFocus");
ModifierKeys currentModifiers = InputManager.Current.PrimaryKeyboardDevice.Modifiers;
if (!((currentModifiers & ModifierKeys.Control) != 0 && (currentModifiers & ModifierKeys.Shift) != 0))
{
return;
}
//ModifierKeys currentModifiers = InputManager.Current.PrimaryKeyboardDevice.Modifiers;
if ((currentModifiers & ModifierKeys.Alt) != 0)
{
return;
}
Visual directlyOver = Mouse.PrimaryDevice.DirectlyOver as Visual;
if ((directlyOver == null) || directlyOver.IsDescendantOf(this))
{
return;
}
VisualTreeItem node = this.FindItem(directlyOver);
if (node != null)
{
this.CurrentSelection = node;
}
}
public static VisualTreeItem Construct(object target, VisualTreeItem parent)
{
VisualTreeItem visualTreeItem;
if (target is IReflectionHelperInterfaceWrapper)
{
visualTreeItem = new VisualItem(((IReflectionHelperInterfaceWrapper)target).Source, parent);
}
else if (target.Wrap <IFrameworkRenderElementContext>() != null)
{
visualTreeItem = new VisualItem(target, parent);
}
else if (target is Visual)
{
visualTreeItem = new VisualItem((Visual)target, parent);
}
else if (target is ResourceDictionary)
{
visualTreeItem = new ResourceDictionaryItem((ResourceDictionary)target, parent);
}
else if (target is Application)
{
visualTreeItem = new ApplicationTreeItem((Application)target, parent);
}
else
{
visualTreeItem = new DumbVisualTreeItem(target, parent);
}
//visualTreeItem = new VisualTreeItem(target, parent);
visualTreeItem.Reload();
return(visualTreeItem);
}
private void HandleRefresh(object sender, ExecutedRoutedEventArgs e)
{
Cursor saveCursor = Mouse.OverrideCursor;
Mouse.OverrideCursor = Cursors.Wait;
try
{
object currentTarget = this.CurrentSelection != null ? this.CurrentSelection.Target : null;
this.visualTreeItems.Clear();
this.Root = VisualTreeItem.Construct(this.root, null);
if (currentTarget != null)
{
VisualTreeItem visualItem = this.FindItem(currentTarget);
if (visualItem != null)
{
this.CurrentSelection = visualItem;
}
}
this.SetFilter(this.filter);
}
finally
{
Mouse.OverrideCursor = saveCursor;
}
}
protected override void Reload(List <VisualTreeItem> toBeRemoved)
{
// having the call to base.Reload here ... puts the application resources at the very top of the tree view
base.Reload(toBeRemoved);
foreach (Window window in this.application.Windows)
{
if (window.IsInitialized == false ||
window.CheckAccess() == false)
{
continue;
}
// windows which have an owner are added as child items in VisualItem, so we have to skip them here
if (window.Owner != null)
{
continue;
}
// don't recreate existing items but reload them instead
var existingItem = toBeRemoved.FirstOrDefault(x => ReferenceEquals(x.Target, window));
if (existingItem != null)
{
toBeRemoved.Remove(existingItem);
existingItem.Reload();
continue;
}
this.Children.Add(VisualTreeItem.Construct(window, this));
}
}
public void Next()
{
if (!IsFiltering)
{
return;
}
var lFilter = Filter.ToLower();
VisualTreeItem current = null;
while (ItemsEnumerator.MoveNext())
{
current = ItemsEnumerator.Current;
if (current.MatchesFilter(lFilter) && current != Root)
{
break;
}
current = null;
}
if (current != null)
{
SelectElement(current);
}
else
{
if (reloading)
{
return;
}
reloading = true;
PrepareNewFilter();
Next();
reloading = false;
}
}
public static void AddEditedProperty(Dispatcher dispatcher, VisualTreeItem propertyOwner,
PropertyInformation propInfo)
{
lock (_lock) {
List <PropertyValueInfo> propInfoList = null;
Dictionary <VisualTreeItem, List <PropertyValueInfo> > dispatcherList = null;
// first get the dictionary we're using for the given dispatcher
if (!_itemsWithEditedProperties.TryGetValue(dispatcher, out dispatcherList))
{
dispatcherList = new Dictionary <VisualTreeItem, List <PropertyValueInfo> >();
_itemsWithEditedProperties.Add(dispatcher, dispatcherList);
}
// now get the property info list for the owning object
if (!dispatcherList.TryGetValue(propertyOwner, out propInfoList))
{
propInfoList = new List <PropertyValueInfo>();
dispatcherList.Add(propertyOwner, propInfoList);
}
// if we already have a property of that name on this object, remove it
var existingPropInfo = propInfoList.FirstOrDefault(l => l.PropertyName == propInfo.DisplayName);
if (existingPropInfo != null)
{
propInfoList.Remove(existingPropInfo);
}
// finally add the edited property info
propInfoList.Add(new PropertyValueInfo {
PropertyName = propInfo.DisplayName,
PropertyValue = propInfo.Value
});
}
}
public VisualTreeItem FindNode(object target)
{
// it might be faster to have a map for the lookup
// check into this at some point
if (this.Target == target)
{
if (DXMethods.IsChrome(Target) && target is IInputElement)
{
var root = DXMethods.GetRoot(Target);
if (root != null)
{
var child = RenderTreeHelper.HitTest(root, System.Windows.Input.Mouse.GetPosition((IInputElement)target));
var node = FindNode(child);
if (node != null)
{
return(node);
}
}
}
return(this);
}
foreach (VisualTreeItem child in this.Children)
{
VisualTreeItem node = child.FindNode(target);
if (node != null)
{
return(node);
}
}
return(null);
}
protected override void Reload(List <VisualTreeItem> toBeRemoved)
{
// having the call to base.Reload here ... puts the application resources at the very top of the tree view
base.Reload(toBeRemoved);
// what happens in the case where the application's main window is invisible?
// in this case, the application will only have one visual item underneath it: the collapsed/hidden window.
// however, you are still able to ctrl-shift mouse over the visuals in the visible window.
// when you do this, snoop reloads the visual tree with the visible window as the root (versus the application).
if (this.application.MainWindow != null)
{
bool foundMainWindow = false;
foreach (VisualTreeItem item in toBeRemoved)
{
if (item.Target == this.application.MainWindow)
{
toBeRemoved.Remove(item);
item.Reload();
foundMainWindow = true;
break;
}
}
if (!foundMainWindow)
{
this.Children.Add(VisualTreeItem.Construct(this.application.MainWindow, this));
}
}
}
protected override void Reload(List <VisualTreeItem> toBeRemoved)
{
base.Reload(toBeRemoved);
ResourceDictionary resources = this.ResourceDictionary;
if (resources != null && resources.Count != 0)
{
bool foundItem = false;
foreach (VisualTreeItem item in toBeRemoved)
{
if (item.Target == resources)
{
toBeRemoved.Remove(item);
item.Reload();
foundItem = true;
break;
}
}
if (!foundItem)
{
this.Children.Add(VisualTreeItem.Construct(resources, this));
}
}
}
public static VisualTreeItem Construct(object target, VisualTreeItem parent)
{
VisualTreeItem visualTreeItem;
if (DXMethods.IsFrameworkRenderElementContext(target))
{
visualTreeItem = new VisualItem(target, parent);
}
else if (target is Visual)
{
visualTreeItem = new VisualItem((Visual)target, parent);
}
else if (target is ResourceDictionary)
{
visualTreeItem = new ResourceDictionaryItem((ResourceDictionary)target, parent);
}
else if (target is Application)
{
visualTreeItem = new ApplicationTreeItem((Application)target, parent);
}
else
{
visualTreeItem = new VisualTreeItem(target, parent);
}
visualTreeItem.Reload();
return(visualTreeItem);
}
protected VisualTreeItem(object target, VisualTreeItem parent)
{
if (target == null) throw new ArgumentNullException("target");
this.target = target;
this.parent = parent;
if (parent != null)
this.depth = parent.depth + 1;
}
void Load(object root)
{
this.root = root;
Root = VisualTreeItem.Construct(root, null);
CurrentSelection = rootVisualTreeItem;
OnPropertyChanged("Root");
}
void RaiseEndUpdate(VisualTreeItem element)
{
if (Parent != null)
{
Parent.RaiseEndUpdate(element);
return;
}
EndUpdate?.Invoke(element, EventArgs.Empty);
}
public VisualItem(object visual, VisualTreeItem parent) : base(visual, parent)
{
Visual = visual;
if (visual is Visual)
{
var vVisual = (Visual)visual;
VisualDiagnostics.VisualTreeChanged += VisualDiagnostics_VisualTreeChanged;
}
}
protected VisualTreeItem(object target, VisualTreeItem parent)
{
this.target = target;
this.parent = parent;
if (parent != null)
{
this.depth = parent.depth + 1;
}
}
private void HandleTreeSelectedItemChanged(object sender, EventArgs e)
{
VisualTreeItem item = this.Tree.SelectedItem as VisualTreeItem;
if (item != null)
{
this.CurrentSelection = item;
}
}
/// <summary>
/// Loop through the properties in the current PropertyGrid and save away any properties
/// that have been changed by the user.
/// </summary>
/// <param name="owningObject">currently selected object that owns the properties in the grid (before changing selection to the new object)</param>
private void SaveEditedProperties(VisualTreeItem owningObject)
{
foreach (PropertyInformation property in PropertyGrid.PropertyGrid.Properties)
{
if (property.IsValueChangedByUser)
{
EditedPropertiesHelper.AddEditedProperty(Dispatcher, owningObject, property);
}
}
}
private void SelectItem(DependencyObject item)
{
if (item != null)
{
VisualTreeItem node = this.FindItem(item);
if (node != null)
{
this.CurrentSelection = node;
}
}
}
private void Load(object root)
{
this.root = root;
this.visualTreeItems.Clear();
this.Root = VisualTreeItem.Construct(root, null);
this.CurrentSelection = this.rootVisualTreeItem;
this.SetFilter(this.filter);
this.OnPropertyChanged("Root");
}
void OnChildExpanded(VisualTreeItem child)
{
if (Parent != null)
{
Parent.OnChildExpanded(child);
return;
}
if (child == null || ChildExpandedChanged == null)
{
return;
}
ChildExpandedChanged(child, EventArgs.Empty);
}
protected VisualTreeItem(object target, VisualTreeItem parent)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
this.target = target;
this.parent = parent;
if (parent != null)
{
this.depth = parent.depth + 1;
}
}
private void FilterTree(VisualTreeItem node, string filter)
{
foreach (VisualTreeItem child in node.Children)
{
if (child.Filter(filter))
{
this.visualTreeItems.Add(child);
}
else
{
FilterTree(child, filter);
}
}
}
private void FilterBindings(VisualTreeItem node)
{
foreach (VisualTreeItem child in node.Children)
{
if (child.HasBindingError)
{
this.visualTreeItems.Add(child);
}
else
{
FilterBindings(child);
}
}
}
public bool ApplyReduceDepthFilterIfNeeded(ProperTreeViewItem curNode)
{
if (_pendingRoot != null)
{
OnRootLoaded();
}
if (_maxDepth == 0)
{
return(false);
}
VisualTreeItem rootItem = (VisualTreeItem)_rootItem.Target;
if (rootItem == null)
{
return(false);
}
if (_snoopUI == null)
{
_snoopUI = VisualTreeHelper2.GetAncestor <SnoopUI>(this);
if (_snoopUI == null)
{
return(false);
}
}
VisualTreeItem item = (VisualTreeItem)curNode.DataContext;
VisualTreeItem selectedItem = _snoopUI.CurrentSelection;
if (selectedItem != null && item.Depth < selectedItem.Depth)
{
item = selectedItem;
}
if ((item.Depth - rootItem.Depth) <= _maxDepth)
{
return(false);
}
for (int i = 0; i < _maxDepth; ++i)
{
item = item.Parent;
}
_snoopUI.ApplyReduceDepthFilter(item);
return(true);
}
public static VisualTreeItem Construct(object target, VisualTreeItem parent)
{
VisualTreeItem visualTreeItem;
if (target is Visual)
visualTreeItem = new VisualItem((Visual)target, parent);
else if (target is ResourceDictionary)
visualTreeItem = new ResourceDictionaryItem((ResourceDictionary)target, parent);
else if (target is Application)
visualTreeItem = new ApplicationTreeItem((Application)target, parent);
else
visualTreeItem = new VisualTreeItem(target, parent);
visualTreeItem.Reload();
return visualTreeItem;
}
private void HandleInspect(object sender, ExecutedRoutedEventArgs e)
{
Visual visual = e.Parameter as Visual;
if (visual != null)
{
VisualTreeItem node = this.FindItem(visual);
if (node != null)
{
this.CurrentSelection = node;
}
}
else if (e.Parameter != null)
{
this.PropertyGrid.SetTarget(e.Parameter);
}
}
protected override void Reload(List <VisualTreeItem> toBeRemoved)
{
// having the call to base.Reload here ... puts the application resources at the very top of the tree view.
// this used to be at the bottom. putting it here makes it consistent (and easier to use) with ApplicationTreeItem
base.Reload(toBeRemoved);
// remove items that are no longer in tree, add new ones.
for (int i = 0; i < CommonTreeHelper.GetChildrenCount(this.Visual); i++)
{
object child = CommonTreeHelper.GetChild(this.Visual, i);
if (child != null)
{
bool foundItem = false;
foreach (VisualTreeItem item in toBeRemoved)
{
if (item.Target == child)
{
toBeRemoved.Remove(item);
item.Reload();
foundItem = true;
break;
}
}
if (!foundItem)
{
this.Children.Add(VisualTreeItem.Construct(child, this));
}
}
}
Grid grid = this.Visual as Grid;
if (grid != null)
{
foreach (RowDefinition row in grid.RowDefinitions)
{
this.Children.Add(VisualTreeItem.Construct(row, this));
}
foreach (ColumnDefinition column in grid.ColumnDefinitions)
{
this.Children.Add(VisualTreeItem.Construct(column, this));
}
}
}
/// <summary>
/// Find the VisualTreeItem for the specified visual.
/// If the item is not found and is not part of the Snoop UI,
/// the tree will be adjusted to include the window the item is in.
/// </summary>
private VisualTreeItem FindItem(object target)
{
if (this.rootVisualTreeItem == null)
{
return(null);
}
VisualTreeItem node = this.rootVisualTreeItem.FindNode(target);
Visual rootVisual = this.rootVisualTreeItem.MainVisual;
if (node == null)
{
Visual visual = target as Visual;
if (visual != null && rootVisual != null)
{
// If target is a part of the SnoopUI, let's get out of here.
if (visual.IsDescendantOf(this))
{
return(null);
}
// If not in the root tree, make the root be the tree the visual is in.
if (!visual.IsDescendantOf(rootVisual))
{
var presentationSource = PresentationSource.FromVisual(visual);
if (presentationSource == null)
{
return(null); // Something went wrong. At least we will not crash with null ref here.
}
this.Root = new VisualItem(presentationSource.RootVisual, null);
}
}
this.rootVisualTreeItem.Reload();
node = this.rootVisualTreeItem.FindNode(target);
this.SetFilter(this.filter);
}
return(node);
}
public VisualTreeItem FindNode(object target)
{
// it might be faster to have a map for the lookup
// check into this at some point
if (this.Target == target)
{
return(this);
}
foreach (VisualTreeItem child in this.Children)
{
VisualTreeItem node = child.FindNode(target);
if (node != null)
{
return(node);
}
}
return(null);
}
public void ApplyReduceDepthFilter(VisualTreeItem newRoot)
{
if (m_reducedDepthRoot != newRoot)
{
if (m_reducedDepthRoot == null)
{
Dispatcher.BeginInvoke
(
DispatcherPriority.Background,
(function)
delegate
{
this.visualTreeItems.Clear();
this.visualTreeItems.Add(m_reducedDepthRoot);
m_reducedDepthRoot = null;
}
);
}
m_reducedDepthRoot = newRoot;
}
}
VisualTreeItem GetItemAtImpl(ref int index)
{
if (index == 0)
{
return(this);
}
index--;
VisualTreeItem result = null;
if (!isExpanded)
{
return(null);
}
foreach (var child in Children)
{
if (result != null)
{
return(result);
}
result = child.GetItemAtImpl(ref index);
}
return(result);
}
public static void AddEditedProperty( Dispatcher dispatcher, VisualTreeItem propertyOwner, PropertyInformation propInfo)
{
lock ( _lock )
{
List<PropertyValueInfo> propInfoList = null;
Dictionary<VisualTreeItem, List<PropertyValueInfo>> dispatcherList = null;
// first get the dictionary we're using for the given dispatcher
if ( !_itemsWithEditedProperties.TryGetValue( dispatcher, out dispatcherList ) )
{
dispatcherList = new Dictionary<VisualTreeItem, List<PropertyValueInfo>>();
_itemsWithEditedProperties.Add( dispatcher, dispatcherList );
}
// now get the property info list for the owning object
if ( !dispatcherList.TryGetValue( propertyOwner, out propInfoList ) )
{
propInfoList = new List<PropertyValueInfo>();
dispatcherList.Add( propertyOwner, propInfoList );
}
// if we already have a property of that name on this object, remove it
var existingPropInfo = propInfoList.FirstOrDefault( l => l.PropertyName == propInfo.DisplayName );
if ( existingPropInfo != null )
{
propInfoList.Remove( existingPropInfo );
}
// finally add the edited property info
propInfoList.Add( new PropertyValueInfo
{
PropertyName = propInfo.DisplayName,
PropertyValue = propInfo.Value,
} );
}
}
public ResourceItem(object target, object key, VisualTreeItem parent)
: base(target, parent)
{
this.key = key;
}
public ApplicationTreeItem(Application application, VisualTreeItem parent)
: base(application, parent)
{
this.application = application;
}
private void DumpItem(VisualTreeItem item)
{
// Base indent
StringBuilder sb = new StringBuilder();
for (int i = 0; i <= item.Depth; i++)
{
sb.Append(" ");
}
String baseIndent = sb.ToString();
// Write node element
Writer.Write(baseIndent);
Writer.Write("<node");
String nodeName = item.Name;
if (string.IsNullOrEmpty(nodeName))
{
nodeName = item.ToString();
}
Writer.Write(" name=\"");
Writer.Write(EscapeXML(nodeName));
Writer.Write("\"");
Writer.WriteLine(">");
foreach (PropertyInformation propInfo in PropertyInformation.GetProperties(item.Target))
{
if (!"Children".Equals(propInfo.DisplayName) && !"Parent".Equals(propInfo.DisplayName))
{
Writer.Write(baseIndent);
WriteProperty(propInfo.DisplayName, propInfo.Value);
}
propInfo.Teardown();
}
FrameworkElement elem = item.Target as FrameworkElement;
if (elem != null)
{
if (RootVisual == null)
{
RootVisual = elem;
}
try
{
Rect bounds = elem.TransformToAncestor(RootVisual).TransformBounds(VisualTreeHelper.GetDescendantBounds(elem));
if (!bounds.IsEmpty)
{
Writer.Write(baseIndent);
WriteProperty("x-BoundsInClientArea", bounds.ToString());
//bounds.Offset(new Vector(0, SystemParameters.WindowCaptionHeight));
//Writer.Write(baseIndent);
//WriteProperty("x-BoundsInWindow", bounds.ToString());
}
}
catch (Exception)
{
// In case this element is not a child of the root. Ignore.
}
}
foreach (VisualTreeItem child in item.Children)
{
DumpItem(child);
}
Writer.Write(baseIndent);
Writer.WriteLine("</node>");
}
private void FilterBindings(VisualTreeItem node)
{
foreach (VisualTreeItem child in node.Children)
{
if (child.HasBindingError)
this.visualTreeItems.Add(child);
else
FilterBindings(child);
}
}
private void Load(object root)
{
this.root = root;
this.visualTreeItems.Clear();
this.rootVisualTreeItem = VisualTreeItem.Construct(root, null);
this.CurrentSelection = this.rootVisualTreeItem;
this.SetFilter(this.filter);
this.OnPropertyChanged("Root");
}
private void HandleRefresh(object sender, ExecutedRoutedEventArgs e)
{
Cursor saveCursor = Mouse.OverrideCursor;
Mouse.OverrideCursor = Cursors.Wait;
try
{
object currentTarget = this.CurrentSelection != null ? this.CurrentSelection.Target : null;
this.visualTreeItems.Clear();
this.rootVisualTreeItem = VisualTreeItem.Construct(this.root, null);
if (currentTarget != null)
{
VisualTreeItem visualItem = this.FindItem(currentTarget);
if (visualItem != null)
this.CurrentSelection = visualItem;
}
this.SetFilter(this.filter);
}
finally
{
Mouse.OverrideCursor = saveCursor;
}
}
/// <summary>
/// Find the VisualTreeItem for the specified visual.
/// If the item is not found and is not part of the Snoop UI,
/// the tree will be adjusted to include the window the item is in.
/// </summary>
private VisualTreeItem FindItem(object target)
{
VisualTreeItem node = this.rootVisualTreeItem.FindNode(target);
Visual rootVisual = this.rootVisualTreeItem.MainVisual;
if (node == null)
{
Visual visual = target as Visual;
if (visual != null && rootVisual != null)
{
// If target is a part of the SnoopUI, let's get out of here.
if (visual.IsDescendantOf(this))
{
return null;
}
// If not in the root tree, make the root be the tree the visual is in.
if (!visual.IsDescendantOf(rootVisual))
{
var presentationSource = PresentationSource.FromVisual(visual);
if (presentationSource == null)
{
return null; // Something went wrong. At least we will not crash with null ref here.
}
this.rootVisualTreeItem = new VisualItem(presentationSource.RootVisual, null);
}
}
this.rootVisualTreeItem.Reload();
node = this.rootVisualTreeItem.FindNode(target);
this.SetFilter(this.filter);
}
return node;
}
public VisualItem(Visual visual, VisualTreeItem parent)
: base(visual, parent)
{
this.visual = visual;
}
public ResourceDictionaryItem(ResourceDictionary dictionary, VisualTreeItem parent)
: base(dictionary, parent)
{
this.dictionary = dictionary;
}
/// <summary>
/// Loop through the properties in the current PropertyGrid and save away any properties
/// that have been changed by the user.
/// </summary>
/// <param name="owningObject">currently selected object that owns the properties in the grid (before changing selection to the new object)</param>
private void SaveEditedProperties( VisualTreeItem owningObject )
{
foreach (PropertyInformation property in PropertyGrid.PropertyGrid.Properties)
{
if (property.IsValueChangedByUser)
{
EditedPropertiesHelper.AddEditedProperty( Dispatcher, owningObject, property );
}
}
}
public static void DumpTree(VisualTreeItem root, System.IO.StreamWriter writer)
{
XMLTreeWriter treeWriter = new XMLTreeWriter(writer);
writer.WriteLine("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
writer.WriteLine("<root>");
treeWriter.DumpItem(root);
writer.WriteLine("</root>");
}
public void ApplyReduceDepthFilter(VisualTreeItem newRoot)
{
if (m_reducedDepthRoot != newRoot)
{
if (m_reducedDepthRoot == null)
{
Dispatcher.BeginInvoke
(
DispatcherPriority.Background,
(function)
delegate
{
this.visualTreeItems.Clear();
this.visualTreeItems.Add(m_reducedDepthRoot);
m_reducedDepthRoot = null;
}
);
}
m_reducedDepthRoot = newRoot;
}
}
public ResourceContainerItem(object target, VisualTreeItem parent): base(target, parent)
{
}
private void FilterTree(VisualTreeItem node, string filter)
{
foreach (VisualTreeItem child in node.Children)
{
if (child.Filter(filter))
this.visualTreeItems.Add(child);
else
FilterTree(child, filter);
}
}
protected void RemoveChild(VisualTreeItem item)
{
item.IsSelected = false;
this.Children.Remove(item);
}
