protected override void OnDragOver(DragEventArgs e)
{
base.OnDragEnter(e);
HitTestResult result = VisualTreeHelper.HitTest(this, e.GetPosition(this));
if ((result.VisualHit as UIElement).IsDescendantOf(this))
{
UIElement element = (result.VisualHit as UIElement);
DragDropTreeViewItem targetNode = GetNearestContainer(e.Source as UIElement);
if (e.GetPosition(targetNode).Y < targetNode.ActualHeight * 0.2f)
{
// meter em cima
//Console.WriteLine("cima");
DragDropHelper.insertionPlace = DragDropHelper.InsertionPlace.Top;
DragDropHelper.CreateInsertionAdorner(targetNode, true);
}
else if (e.GetPosition(targetNode).Y > targetNode.ActualHeight * 0.8f)
{
//Console.WriteLine("baixo");
DragDropHelper.insertionPlace = DragDropHelper.InsertionPlace.Bottom;
DragDropHelper.CreateInsertionAdorner(targetNode, false);
}
else
{
//Console.WriteLine("centro");
DragDropHelper.RemoveInsertionAdorner();
DragDropHelper.insertionPlace = DragDropHelper.InsertionPlace.Center;
var converter = new System.Windows.Media.BrushConverter();
Background = (Brush)converter.ConvertFromString("#555");
}
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
HitTestResult result = VisualTreeHelper.HitTest(this, e.GetPosition(this));
// Move the dragged node when the left mouse button is used. EditorUtils.GetParent(result.VisualHit, 2) ==
if (e.LeftButton == MouseButtonState.Pressed && CanDrag && (result.VisualHit as UIElement) != null && (result.VisualHit as UIElement).IsDescendantOf(this))
{
try
{
DragDrop.DoDragDrop(this, this, DragDropEffects.Move);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
DragDropTreeViewItem targetNode = GetNearestContainer(e.Source as UIElement);
if (targetNode == null)
{
DragDropHelper.RemoveInsertionAdorner();
}
//Console.WriteLine(this.PointFromScreen(Mouse.GetPosition(targetNode)));
}
private void treeView_MouseUp(object sender, MouseButtonEventArgs e)
{
// NEW WAY TO DETECT SELECTIONS:
if (sender != null && (sender as TreeView).SelectedItem != null)
{
List <TreeViewItem> it = TreeViewExtension.GetSelectedTreeViewItems(treeView);
EditorHandler.SelectedGameObjects = new List <GameObject>();
foreach (var i in it)
{
//Console.WriteLine(i.Header);
//object tag = ((sender as TreeView).SelectedItem as DragDropTreeViewItem).Tag; // old
object tag = (i as DragDropTreeViewItem).Tag;
if (tag is GameObject)
{
// TODO : multiple selection
EditorHandler.SelectedGameObjects.Add((GameObject)tag);
}
}
EditorHandler.ChangeSelectedObjects();
lastSelectedItem = (sender as TreeView).SelectedItem as DragDropTreeViewItem;
}
else
{
EditorHandler.SelectedGameObjects.Clear();
EditorHandler.ChangeSelectedObjects();
}
}
void deleteItem_Click(object sender, RoutedEventArgs e)
{
List <TreeViewItem> selected = TreeViewExtension.GetSelectedTreeViewItems(treeView);
string message = "Are you sure you want to delete the selected game object?";
if (selected.Count > 1)
{
message = "Are you sure you want to delete the selected game objects?";
}
if (System.Windows.Forms.MessageBox.Show(message, "Warning", System.Windows.Forms.MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Warning) == System.Windows.Forms.DialogResult.Yes)
{
TreeViewExtension.UnselectAll(treeView);
foreach (var t in selected)
{
GameObject gameObject = (GameObject)(t as DragDropTreeViewItem).Tag; //(GameObject)(SelectedItem as DragDropTreeViewItem).Tag;
DragDropTreeViewItem parentNode = (t as DragDropTreeViewItem).Parent as DragDropTreeViewItem;
if (parentNode == null)
{
SceneManager.ActiveScene.GameObjects.Remove((t as DragDropTreeViewItem).Tag as GameObject);
treeView.Items.Remove(t);
}
else
{
GameObject objParent = (GameObject)parentNode.Tag;
objParent.Children.Remove((t as DragDropTreeViewItem).Tag as GameObject);
parentNode.Items.Remove(t);
}
}
EditorHandler.SelectedGameObjects.Clear();
EditorHandler.ChangeSelectedObjects();
}
}
void cutItem_Click(object sender, RoutedEventArgs e)
{
List <GameObject> toCopy = new List <GameObject>();
foreach (TreeViewItem ti in TreeViewExtension.GetSelectedTreeViewItems(treeView))
{
var gameObject = (ti.Tag as GameObject);
gameObject.SaveComponentValues();
toCopy.Add(gameObject);
DragDropTreeViewItem parentNode = ti.Parent as DragDropTreeViewItem;
if (parentNode == null)
{
SceneManager.ActiveScene.GameObjects.Remove(ti.Tag as GameObject);
treeView.Items.Remove(ti);
}
else
{
GameObject objParent = (GameObject)parentNode.Tag;
objParent.Children.Remove(ti.Tag as GameObject);
parentNode.Items.Remove(ti);
}
}
Clipboard.SetData("GameObject", toCopy);
TreeViewExtension.UnselectAll(treeView);
EditorHandler.SelectedGameObjects.Clear();
EditorHandler.ChangeSelectedObjects();
}
internal void BeginEditTextOnSelected()
{
ItemLostFocus();
selectedForEditing = (SelectedItem as DragDropTreeViewItem);
if (selectedForEditing == null)
{
return;
}
TextBox tb = new TextBox();
tb.LostFocus += tb_LostFocus;
tb.KeyDown += tb_KeyDown;
tb.Text = lastSelectedItem.Tag.ToString();
tb.Focusable = true;
(selectedForEditing.Header as StackPanel).Children.RemoveAt(2);
(selectedForEditing.Header as StackPanel).Children.Add(tb);
selectedForEditing.CanDrag = false;
tb.Select(0, tb.Text.Length);
tb.Focus();
}
/// <summary>
///
/// </summary>
public void CreateView()
{
treeView.Items.Clear();
if (SceneManager.ActiveScene == null)
{
DragDropTreeViewItem noScene = new DragDropTreeViewItem();
noScene.Header = "No Scene in memory.";
noScene.CanDrag = false;
noScene.IsEnabled = false;
noScene.Style = (Style)FindResource("IgniteMultiTreeViewItem");
// noScene.can
treeView.Items.Add(noScene);
return;
}
this.ContextMenu = panelContextMenu;
// Set all this layer game objects
foreach (GameObject gameObject in SceneManager.ActiveScene.GameObjects)
{
string name = gameObject.Name == null ? "Game Object" : gameObject.Name;
gameObject.Name = name;
DragDropTreeViewItem _node = AddNode(null, gameObject, GameObjectImageSource(gameObject));
//_node.ContextMenuStrip = objectContextMenuStrip;
FillGameObjects(gameObject, _node);
}
}
private void AttachChildren(DragDropTreeViewItem node)
{
foreach (GameObject _obj in (node.Tag as GameObject).Children)
{
DragDropTreeViewItem _node = AddNode(node, _obj, GameObjectImageSource(_obj));
AttachChildren(_node);
}
}
private void ReApplyStyle(DragDropTreeViewItem ti, string styleName)
{
ti.Style = null;
ti.Style = (Style)FindResource(styleName);
foreach (var t in ti.Items)
{
ReApplyStyle(t as DragDropTreeViewItem, styleName);
}
}
public static void CreateInsertionAdorner(DragDropTreeViewItem target, bool firstHalf)
{
if (target != null && insertionAdorner == null && !(target is ExplorerTreeViewItem))
{
// Here, I need to get adorner layer from targetItemContainer and not targetItemsControl.
// This way I get the AdornerLayer within ScrollContentPresenter, and not the one under AdornerDecorator (Snoop is awesome).
// If I used targetItemsControl, the adorner would hang out of ItemsControl when there's a horizontal scroll bar.
var adornerLayer = AdornerLayer.GetAdornerLayer(target);
insertionAdorner = new InsertionAdorner(true, firstHalf, target, adornerLayer);
}
}
public static void CreateInsertionAdorner(DragDropTreeViewItem target, bool firstHalf)
{
if (target != null && insertionAdorner == null && !(target is ExplorerTreeViewItem))
{
// Here, I need to get adorner layer from targetItemContainer and not targetItemsControl.
// This way I get the AdornerLayer within ScrollContentPresenter, and not the one under AdornerDecorator (Snoop is awesome).
// If I used targetItemsControl, the adorner would hang out of ItemsControl when there's a horizontal scroll bar.
var adornerLayer = AdornerLayer.GetAdornerLayer(target);
insertionAdorner = new InsertionAdorner(true, firstHalf, target, adornerLayer);
}
}
private DragDropTreeViewItem GetNearestContainer(UIElement element)
{
// Walk up the element tree to the nearest tree view item.
DragDropTreeViewItem container = element as DragDropTreeViewItem;
while ((container == null) && (element != null))
{
element = VisualTreeHelper.GetParent(element) as UIElement;
container = element as DragDropTreeViewItem;
}
return(container);
}
internal DragDropTreeViewItem AddNode(DragDropTreeViewItem parent, object tag, ImageSource imageSource)
{
DragDropTreeViewItem node = new DragDropTreeViewItem();
node.Style = (Style)FindResource("IgniteMultiTreeViewItem");
Image visibilityToggleImage = new Image();
visibilityToggleImage.Cursor = Cursors.Hand;
visibilityToggleImage.Tag = tag;
visibilityToggleImage.Width = 8;
visibilityToggleImage.Height = 8;
visibilityToggleImage.Margin = new Thickness(0, 0, MARGIN, 0);
visibilityToggleImage.MouseUp += visibilityToggleImage_MouseUp;
if (tag is GameObject)
{
visibilityToggleImage.Source = ((tag as GameObject).Visible ? visibleItemIcon : hiddenItemIcon);
}
StackPanel sp = new StackPanel();
sp.Orientation = Orientation.Horizontal;
sp.Children.Add(visibilityToggleImage);
sp.Children.Add(new Image()
{
Source = imageSource
});
sp.Children.Add(new TextBlock()
{
Text = tag.ToString(), Margin = new Thickness(MARGIN, 0, 0, 0)
});
node.Header = sp;
node.MouseUp += node_MouseUp;
node.Tag = tag;
node.MouseDoubleClick += node_MouseDoubleClick;
node.ContextMenu = contextMenu;
//node.ContextMenu = objectContextMenuStrip;
if (parent == null)
{
treeView.Items.Insert(0, node);
}
else
{
parent.Items.Insert(0, node);
//parent.ExpandSubtree();
//parent.IsExpanded = true;
}
return(node);
}
/// <summary>
///
/// </summary>
/// <param name="_gameObject"></param>
/// <param name="node"></param>
private void FillGameObjects(GameObject _gameObject, DragDropTreeViewItem node)
{
foreach (GameObject gameObject in _gameObject.Children)
{
string name = gameObject.Name == null ? "Game Object" : gameObject.Name;
gameObject.Name = name;
DragDropTreeViewItem _node = AddNode(node, gameObject, GameObjectImageSource(gameObject));
//_node.ContextMenuStrip = objectContextMenuStrip;
FillGameObjects(gameObject, _node);
}
}
void moveUpItem_Click(object sender, RoutedEventArgs e)
{
GameObject gameObject = (GameObject)(SelectedItem as DragDropTreeViewItem).Tag;
// no parent?
if (!((SelectedItem as DragDropTreeViewItem).Parent is DragDropTreeView))
{
DragDropTreeViewItem parentNode = (SelectedItem as DragDropTreeViewItem).Parent as DragDropTreeViewItem;
int index = (parentNode.Tag as GameObject).Children.FindIndex(o => o.GetHashCode() == gameObject.GetHashCode());
// already on bottom?
if (index == (parentNode.Tag as GameObject).Children.Count - 1)
{
return;
}
GameObject parent = (GameObject)parentNode.Tag;
// Shift objects
GameObject topObject = parent.Children[index + 1];
parent.Children.Delete(topObject);
parent.Children.Insert(index, topObject);
//// Shift in treeview
DragDropTreeViewItem topNode = (DragDropTreeViewItem)parentNode.Items[parentNode.Items.IndexOf(SelectedItem) - 1];
parentNode.Items.Remove(topNode);
parentNode.Items.Insert(parentNode.Items.IndexOf(SelectedItem) + 1, topNode);
}
else
{
int index = SceneManager.ActiveScene.GameObjects.FindIndex(o => o.GetHashCode() == gameObject.GetHashCode());
// already on bottom?
if (index == SceneManager.ActiveScene.GameObjects.Count - 1)
{
return;
}
// Shift objects
GameObject topObject = SceneManager.ActiveScene.GameObjects[index + 1];
SceneManager.ActiveScene.GameObjects.Delete(topObject);
SceneManager.ActiveScene.GameObjects.Insert(index, topObject);
//// Shift in treeview
DragDropTreeViewItem topNode = (DragDropTreeViewItem)treeView.Items[treeView.Items.IndexOf(SelectedItem) - 1];
treeView.Items.Remove(topNode);
treeView.Items.Insert(treeView.Items.IndexOf(SelectedItem) + 1, topNode);
}
}
public static bool TreeContainsNode(TreeView tv, DragDropTreeViewItem node1, DragDropTreeViewItem node2)
{
// Check the parent node of the second node.
if (node2.Parent == null || node2.Parent == tv)
{
return(false);
}
if (node2.Parent == node1)
{
return(true);
}
// If the parent node is not null or equal to the first node,
// call the ContainsNode method recursively using the parent of
// the second node.
return(TreeContainsNode(tv, node1, node2.Parent as DragDropTreeViewItem));
}
private void SelectOnClick(MouseButtonEventArgs e)
{
DragDropTreeViewItem ClickedTreeViewItem = new DragDropTreeViewItem();
//find the original object that raised the event
UIElement ClickedItem = VisualTreeHelper.GetParent(e.OriginalSource as UIElement) as UIElement;
//find the clicked TreeViewItem
while ((ClickedItem != null) && !(ClickedItem is DragDropTreeViewItem))
{
ClickedItem = VisualTreeHelper.GetParent(ClickedItem) as UIElement;
}
ClickedTreeViewItem = ClickedItem as DragDropTreeViewItem;
if (ClickedTreeViewItem != null)
{
ClickedTreeViewItem.IsSelected = true;
ClickedTreeViewItem.Focus();
}
}
internal void BeginEditTextOnSelected()
{
ItemLostFocus();
selectedForEditing = (SelectedItem as DragDropTreeViewItem);
if (selectedForEditing == null) return;
TextBox tb = new TextBox();
tb.LostFocus += tb_LostFocus;
tb.KeyDown += tb_KeyDown;
tb.Text = lastSelectedItem.Tag.ToString();
tb.Focusable = true;
(selectedForEditing.Header as StackPanel).Children.RemoveAt(2);
(selectedForEditing.Header as StackPanel).Children.Add(tb);
selectedForEditing.CanDrag = false;
tb.Select(0, tb.Text.Length);
tb.Focus();
}
internal DragDropTreeViewItem AddNode(DragDropTreeViewItem parent, object tag, ImageSource imageSource)
{
DragDropTreeViewItem node = new DragDropTreeViewItem();
node.Style = (Style)FindResource("IgniteMultiTreeViewItem");
Image visibilityToggleImage = new Image();
visibilityToggleImage.Cursor = Cursors.Hand;
visibilityToggleImage.Tag = tag;
visibilityToggleImage.Width = 8;
visibilityToggleImage.Height = 8;
visibilityToggleImage.Margin = new Thickness(0, 0, MARGIN, 0);
visibilityToggleImage.MouseUp += visibilityToggleImage_MouseUp;
if (tag is GameObject)
visibilityToggleImage.Source = ((tag as GameObject).Visible ? visibleItemIcon : hiddenItemIcon);
StackPanel sp = new StackPanel();
sp.Orientation = Orientation.Horizontal;
sp.Children.Add(visibilityToggleImage);
sp.Children.Add(new Image() { Source = imageSource });
sp.Children.Add(new TextBlock() { Text = tag.ToString(), Margin = new Thickness(MARGIN, 0, 0, 0) });
node.Header = sp;
node.MouseUp += node_MouseUp;
node.Tag = tag;
node.MouseDoubleClick += node_MouseDoubleClick;
node.ContextMenu = contextMenu;
//node.ContextMenu = objectContextMenuStrip;
if (parent == null)
{
treeView.Items.Insert(0, node);
}
else
{
parent.Items.Insert(0, node);
//parent.ExpandSubtree();
//parent.IsExpanded = true;
}
return node;
}
/// <summary>
///
/// </summary>
public void CreateView()
{
treeView.Items.Clear();
if (SceneManager.ActiveScene == null)
{
DragDropTreeViewItem noScene = new DragDropTreeViewItem();
noScene.Header = "No Scene in memory.";
noScene.CanDrag = false;
noScene.IsEnabled = false;
noScene.Style = (Style)FindResource("IgniteMultiTreeViewItem");
// noScene.can
treeView.Items.Add(noScene);
return;
}
this.ContextMenu = panelContextMenu;
// Set all this layer game objects
foreach (GameObject gameObject in SceneManager.ActiveScene.GameObjects)
{
string name = gameObject.Name == null ? "Game Object" : gameObject.Name;
gameObject.Name = name;
DragDropTreeViewItem _node = AddNode(null, gameObject, GameObjectImageSource(gameObject));
//_node.ContextMenuStrip = objectContextMenuStrip;
FillGameObjects(gameObject, _node);
}
}
internal void AddGameObject(GameObject gameObject, string type, bool autoselect = true, bool addToSelectedParent = false, bool expand = false)
{
if (gameObject == null)
{
switch (type.ToLower())
{
case "empty":
gameObject = new GameObject();
gameObject.Name = "Empty Game Object";
break;
case "sprite":
gameObject = new Sprite();
gameObject.Name = "Sprite Game Object";
break;
case "animatedsprite":
gameObject = new AnimatedSprite();
gameObject.Name = "Animated Sprite Game Object";
break;
case "audio":
gameObject = new AudioObject();
gameObject.Name = "Audio Game Object";
break;
case "tileset":
gameObject = new Tileset();
gameObject.Name = "Tileset Game Object";
break;
case "bmfont":
gameObject = new BMFont();
gameObject.Name = "Bitmap Font Object";
break;
case "particleemitter":
gameObject = new ParticleEmitter();
gameObject.Name = "Particle Emitter Object";
break;
}
}
else
{
gameObject.Initialize();
}
if (SelectedItem == null)
{
SceneManager.ActiveScene.GameObjects.Add(gameObject);
}
else
{
if (addToSelectedParent)
{
GameObject _gameObject = (GameObject)(SelectedItem as DragDropTreeViewItem).Tag;
if (_gameObject.Transform.Parent == null)
{
SceneManager.ActiveScene.GameObjects.Add(gameObject);
}
else
{
_gameObject.Transform.Parent.GameObject.Children.Add(gameObject);
}
}
else
{
GameObject _gameObject = (GameObject)(SelectedItem as DragDropTreeViewItem).Tag;
_gameObject.Children.Add(gameObject);
}
}
if (gameObject != null)
{
DragDropTreeViewItem _parent = SelectedItem as DragDropTreeViewItem;
if (addToSelectedParent)
{
var tmp = EditorUtils.FindVisualParent <DragDropTreeViewItem>(_parent);
if (tmp != null)
{
_parent = tmp;
}
else
{
_parent = null;
}
}
DragDropTreeViewItem node = AddNode(_parent, gameObject, GameObjectImageSource(gameObject));
if (_parent != null && expand)
{
//_parent.ExpandSubtree();
_parent.IsExpanded = true;
}
node.ContextMenu = contextMenu;
// AddNodes(gameObject);
//node.IsSelected = true;
AttachChildren(node);
//foreach (GameObject _obj in gameObject.Children)
// AddGameObject(_obj, string.Empty);
if (autoselect)
{
node.IsSelected = true;
EditorHandler.SelectedGameObjects = new List <GameObject>();
EditorHandler.SelectedGameObjects.Add(gameObject);
}
}
}
// Determine whether one node is a parent
// or ancestor of a second node.
private bool ContainsNode(DragDropTreeViewItem node1, DragDropTreeViewItem node2)
{
return DragDropTreeView.TreeContainsNode(this, node1, node2);
}
void treeView_OnDragDropSuccess(DragDropTreeViewItem source, DragDropTreeViewItem target, System.ComponentModel.CancelEventArgs e)
{
if (!(source.Tag is GameObject))
{
e.Cancel = true;
return;
}
List<TreeViewItem> movedItems = TreeViewExtension.GetSelectedTreeViewItems(treeView);
// verify if the moved items will not be placed on any of their children or in themselfs
foreach (var ti in movedItems)
{
var tx = (DragDropTreeViewItem)ti;
if (ti == target)
{
// trying to drop on one of the moved items
e.Cancel = true;
return;
}
if (DragDropTreeView.TreeContainsNode(treeView, tx, target))
{
e.Cancel = true;
return;
}
}
if (target.Tag is GameObject)
{
foreach (var ti in movedItems)
{
GameObject _source = ti.Tag as GameObject;
// no parent?
if (_source.Transform.Parent == null)
{
SceneManager.ActiveScene.GameObjects.Remove(_source, false);
}
else
{
GameObject parent = (ti.Parent as DragDropTreeViewItem).Tag as GameObject;
parent.Children.Remove(_source, false);
}
if (DragDropHelper.insertionPlace == DragDropHelper.InsertionPlace.Center)
{
(target.Tag as GameObject).Children.Insert(0, _source);
}
else
{
int index = 0;
// no parent?
if ((target.Tag as GameObject).Transform.Parent == null)
{
index = SceneManager.ActiveScene.GameObjects.IndexOf(target.Tag as GameObject);
}
else
{
GameObject parent = (target.Parent as DragDropTreeViewItem).Tag as GameObject;
index = parent.Children.IndexOf(target.Tag as GameObject);
}
if (DragDropHelper.insertionPlace == DragDropHelper.InsertionPlace.Top)
index++;
if ((target.Tag as GameObject).Transform.Parent == null)
{
SceneManager.ActiveScene.GameObjects.Insert(index, _source);
}
else
{
GameObject parent = (target.Parent as DragDropTreeViewItem).Tag as GameObject;
parent.Children.Insert(index, _source);
}
}
}
}
else
{
e.Cancel = true;
}
}
// Determine whether one node is a parent
// or ancestor of a second node.
private bool ContainsNode(DragDropTreeViewItem node1, DragDropTreeViewItem node2)
{
return(DragDropTreeView.TreeContainsNode(this, node1, node2));
}
protected override void OnDrop(DragEventArgs e)
{
base.OnDrop(e);
// Retrieve the client coordinates of the drop location.
Point targetPoint = e.GetPosition(this);
try
{
// Retrieve the node at the drop location.
DragDropTreeViewItem targetNode = GetNearestContainer(e.Source as UIElement);
DragDropHelper.RemoveInsertionAdorner();
// Retrieve the node that was dragged.
DragDropTreeViewItem draggedNode = (DragDropTreeViewItem)e.Data.GetData(typeof(DragDropTreeViewItem));
if (draggedNode == null)
{
draggedNode = (DragDropTreeViewItem)e.Data.GetData(typeof(ExplorerTreeViewItem));
}
if (targetNode == null || draggedNode == null)
{
return;
}
// Confirm that the node at the drop location is not
// the dragged node or a descendant of the dragged node.
if (!draggedNode.Equals(targetNode) && !ContainsNode(draggedNode, targetNode))
{
CancelEventArgs evt = new CancelEventArgs();
OnDragDropSuccess(draggedNode, targetNode, evt);
if (!evt.Cancel)
{
// If it is a move operation, remove the node from its current
// location and add it to the node at the drop location.
if (e.Effects == DragDropEffects.Move)
{
List <TreeViewItem> items = TreeViewExtension.GetSelectedTreeViewItems(TreeViewExtension.GetTree(targetNode));
if (items != null && items.Count > 0)
{
// multi selection drag:
foreach (var ti in items)
{
(ti.Parent as ItemsControl).Items.Remove(ti);
if (DragDropHelper.insertionPlace == DragDropHelper.InsertionPlace.Center)
{
targetNode.Items.Add(ti);
}
else
{
int index = (targetNode.Parent as ItemsControl).ItemContainerGenerator.IndexFromContainer(targetNode);
if (index < 0)
{
index = 0;
}
if (DragDropHelper.insertionPlace == DragDropHelper.InsertionPlace.Bottom)
{
index++;
}
(targetNode.Parent as ItemsControl).Items.Insert(index, ti);
}
ti.IsSelected = true;
ReApplyStyle(ti as DragDropTreeViewItem, "IgniteMultiTreeViewItem");
}
}
else
{
(draggedNode.Parent as ItemsControl).Items.Remove(draggedNode);
if (DragDropHelper.insertionPlace == DragDropHelper.InsertionPlace.Center)
{
targetNode.Items.Add(draggedNode);
}
else
{
int index = (targetNode.Parent as ItemsControl).ItemContainerGenerator.IndexFromContainer(targetNode);
if (index < 0)
{
index = 0;
}
if (DragDropHelper.insertionPlace == DragDropHelper.InsertionPlace.Bottom)
{
index++;
}
(targetNode.Parent as ItemsControl).Items.Insert(index, draggedNode);
}
draggedNode.IsSelected = true;
ReApplyStyle(draggedNode, "IgniteTreeViewItem");
}
}
// OPTIONAL:
// If it is a copy operation, clone the dragged node
// and add it to the node at the drop location.
//else if (e.Effects == DragDropEffects.Copy)
//{
// targetNode.Items.Add((DragDropTreeViewItem)draggedNode);
//}
// Expand the node at the location
// to show the dropped node.
targetNode.IsExpanded = true;
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
private void AttachChildren(DragDropTreeViewItem node)
{
foreach (GameObject _obj in (node.Tag as GameObject).Children)
{
DragDropTreeViewItem _node = AddNode(node, _obj, GameObjectImageSource(_obj));
AttachChildren(_node);
}
}
public static bool TreeContainsNode(TreeView tv, DragDropTreeViewItem node1, DragDropTreeViewItem node2)
{
// Check the parent node of the second node.
if (node2.Parent == null || node2.Parent == tv) return false;
if (node2.Parent == node1) return true;
// If the parent node is not null or equal to the first node,
// call the ContainsNode method recursively using the parent of
// the second node.
return TreeContainsNode(tv, node1, node2.Parent as DragDropTreeViewItem);
}
/// <summary>
///
/// </summary>
/// <param name="_gameObject"></param>
/// <param name="node"></param>
private void FillGameObjects(GameObject _gameObject, DragDropTreeViewItem node)
{
foreach (GameObject gameObject in _gameObject.Children)
{
string name = gameObject.Name == null ? "Game Object" : gameObject.Name;
gameObject.Name = name;
DragDropTreeViewItem _node = AddNode(node, gameObject, GameObjectImageSource(gameObject));
//_node.ContextMenuStrip = objectContextMenuStrip;
FillGameObjects(gameObject, _node);
}
}
void treeView_OnDragDropSuccess(DragDropTreeViewItem source, DragDropTreeViewItem target, System.ComponentModel.CancelEventArgs e)
{
if (!(source.Tag is GameObject))
{
e.Cancel = true;
return;
}
List <TreeViewItem> movedItems = TreeViewExtension.GetSelectedTreeViewItems(treeView);
// verify if the moved items will not be placed on any of their children or in themselfs
foreach (var ti in movedItems)
{
var tx = (DragDropTreeViewItem)ti;
if (ti == target)
{
// trying to drop on one of the moved items
e.Cancel = true;
return;
}
if (DragDropTreeView.TreeContainsNode(treeView, tx, target))
{
e.Cancel = true;
return;
}
}
if (target.Tag is GameObject)
{
foreach (var ti in movedItems)
{
GameObject _source = ti.Tag as GameObject;
// no parent?
if (_source.Transform.Parent == null)
{
SceneManager.ActiveScene.GameObjects.Remove(_source, false);
}
else
{
GameObject parent = (ti.Parent as DragDropTreeViewItem).Tag as GameObject;
parent.Children.Remove(_source, false);
}
if (DragDropHelper.insertionPlace == DragDropHelper.InsertionPlace.Center)
{
(target.Tag as GameObject).Children.Insert(0, _source);
}
else
{
int index = 0;
// no parent?
if ((target.Tag as GameObject).Transform.Parent == null)
{
index = SceneManager.ActiveScene.GameObjects.IndexOf(target.Tag as GameObject);
}
else
{
GameObject parent = (target.Parent as DragDropTreeViewItem).Tag as GameObject;
index = parent.Children.IndexOf(target.Tag as GameObject);
}
if (DragDropHelper.insertionPlace == DragDropHelper.InsertionPlace.Top)
{
index++;
}
if ((target.Tag as GameObject).Transform.Parent == null)
{
SceneManager.ActiveScene.GameObjects.Insert(index, _source);
}
else
{
GameObject parent = (target.Parent as DragDropTreeViewItem).Tag as GameObject;
parent.Children.Insert(index, _source);
}
}
}
}
else
{
e.Cancel = true;
}
}
private void ReApplyStyle(DragDropTreeViewItem ti, string styleName)
{
ti.Style = null;
ti.Style = (Style)FindResource(styleName);
foreach (var t in ti.Items)
{
ReApplyStyle(t as DragDropTreeViewItem, styleName);
}
}
private void SelectOnClick(MouseButtonEventArgs e)
{
DragDropTreeViewItem ClickedTreeViewItem = new DragDropTreeViewItem();
//find the original object that raised the event
UIElement ClickedItem = VisualTreeHelper.GetParent(e.OriginalSource as UIElement) as UIElement;
//find the clicked TreeViewItem
while ((ClickedItem != null) && !(ClickedItem is DragDropTreeViewItem))
{
ClickedItem = VisualTreeHelper.GetParent(ClickedItem) as UIElement;
}
ClickedTreeViewItem = ClickedItem as DragDropTreeViewItem;
if (ClickedTreeViewItem != null)
{
ClickedTreeViewItem.IsSelected = true;
ClickedTreeViewItem.Focus();
}
}
private void treeView_MouseUp(object sender, MouseButtonEventArgs e)
{
// NEW WAY TO DETECT SELECTIONS:
if (sender != null && (sender as TreeView).SelectedItem != null)
{
List<TreeViewItem> it = TreeViewExtension.GetSelectedTreeViewItems(treeView);
EditorHandler.SelectedGameObjects = new List<GameObject>();
foreach (var i in it)
{
//Console.WriteLine(i.Header);
//object tag = ((sender as TreeView).SelectedItem as DragDropTreeViewItem).Tag; // old
object tag = (i as DragDropTreeViewItem).Tag;
if (tag is GameObject)
{
// TODO : multiple selection
EditorHandler.SelectedGameObjects.Add((GameObject)tag);
}
}
EditorHandler.ChangeSelectedObjects();
lastSelectedItem = (sender as TreeView).SelectedItem as DragDropTreeViewItem;
}
else
{
EditorHandler.SelectedGameObjects.Clear();
EditorHandler.ChangeSelectedObjects();
}
}
