public static Object ObjectField(Rect position, GUIContent label, Object obj, Type type,
bool hasMultipleDifferentValues = false)
{
var controlId = GUIUtility.GetControlID(s_PropertyHash, FocusType.Keyboard, position);
var rect = EditorGUI.PrefixLabel(position, controlId, label);
var mousePos = Event.current.mousePosition;
var eventType = Event.current.GetTypeForControl(controlId);
switch (eventType)
{
case EventType.Repaint:
{
var text = "";
if (hasMultipleDifferentValues)
{
text = "----";
}
else if (obj != null)
{
text = obj.name;
if (typeof(Leaf).IsAssignableFrom(type))
{
var node = (obj as Leaf).node;
if (node != null)
{
text = node.name;
}
}
text += "(" + type.Name + ")";
}
var state = (ObjectFieldState)GUIUtility.GetStateObject(typeof(ObjectFieldState), controlId);
var active = state != null && state.active;
EditorStyles.objectField.Draw(rect, new GUIContent(text), controlId, active);
break;
}
case EventType.MouseDown:
{
if (!rect.Contains(mousePos) || !GUI.enabled)
{
break;
}
EditorGUIUtility.editingTextField = false;
GUIUtility.keyboardControl = controlId;
if (obj != null)
{
if (typeof(Node).IsAssignableFrom(type))
{
UserDatabase.highlight.node = obj as Node;
}
else if (typeof(Leaf).IsAssignableFrom(type))
{
UserDatabase.highlight.node = (obj as Leaf).node;
}
else
{
break;
}
}
Event.current.Use();
break;
}
case EventType.MouseDrag:
{
var state = (ObjectFieldState)GUIUtility.GetStateObject(typeof(ObjectFieldState), controlId);
state.active = false;
if (!rect.Contains(mousePos) || !GUI.enabled)
{
break;
}
if (!UserDragDrop.dragging)
{
break;
}
var data = UserDragDrop.data as Node[];
if (data == null)
{
break;
}
if (typeof(Node).IsAssignableFrom(type))
{
if (data.Length != 1)
{
break;
}
}
else if (typeof(Leaf).IsAssignableFrom(type))
{
if (data.Count(i => i.GetLeaf(type) != null) != 1)
{
break;
}
}
else
{
break;
}
state.active = true;
Event.current.Use();
break;
}
case EventType.MouseUp:
{
if (!rect.Contains(mousePos) || !GUI.enabled)
{
break;
}
if (!UserDragDrop.dragging)
{
break;
}
var data = UserDragDrop.data as Node[];
if (data == null)
{
break;
}
Object target = null;
if (typeof(Node).IsAssignableFrom(type))
{
if (data.Length != 1)
{
break;
}
target = data[0];
}
else if (typeof(Leaf).IsAssignableFrom(type))
{
var leaves = data.Select(i => i.GetLeaf(type)).Where(i => i != null);
if (leaves.Count() != 1)
{
break;
}
target = leaves.ElementAt(0);
}
else
{
break;
}
UserDragDrop.StopDrag();
Cursor.SetState(Cursor.State.Default);
if (target != null && (target != obj || hasMultipleDifferentValues))
{
obj = target;
GUI.changed = true;
}
var state = (ObjectFieldState)GUIUtility.GetStateObject(typeof(ObjectFieldState), controlId);
state.active = false;
Event.current.Use();
break;
}
}
return(obj);
}
private void OnNodeGUI(Node node)
{
var nodeRect = EditorGUILayout.GetControlRect(false, EditorGUIUtility.singleLineHeight);
nodeRect.height += EditorGUIUtility.standardVerticalSpacing;
var selected = selectedNodes != null && selectedNodes.Contains(node);
if (selected)
{
EditorGUI.DrawRect(nodeRect,
focused ? UserSetting.HierarchySelectedFocusedColor : UserSetting.HierarchySelectedColor);
}
var controlId = GUIUtility.GetControlID(FocusType.Keyboard);
var eventType = Event.current.GetTypeForControl(controlId);
var mousePos = Event.current.mousePosition;
var foldout = UserDatabase.caches.GetHierarchyFoldout(node);
var topRect = new Rect(nodeRect.x, nodeRect.y - 2, nodeRect.width, 4);
var bottomRect = new Rect(nodeRect.x, nodeRect.yMax - 1, nodeRect.width, 4);
var centerRect = new Rect(nodeRect.x, nodeRect.y + 2, nodeRect.width, nodeRect.height - 4);
var fsize = EditorStyles.foldout.CalcSize(GUIContent.none);
var frect = new Rect(nodeRect.x + PersistentGUI.indent, nodeRect.y, fsize.x, fsize.y);
switch (eventType)
{
case EventType.Repaint:
{
if (node.childCount > 0)
{
EditorStyles.foldout.Draw(frect, GUIContent.none, controlId, foldout);
}
if (UserDatabase.highlight.node == node)
{
if (mHighlightProgress == 0)
{
UserDatabase.highlight.node = null;
}
else
{
var color = UserSetting.HierarchyHighlightColor;
color.a = (float)mHighlightProgress / mHighlightDuration;
PersistentGUI.DrawAAPolyLine(nodeRect, 2, color);
}
mHighlightProgress -= 1;
}
break;
}
case EventType.MouseDown:
{
if (node.childCount > 0 &&
frect.Contains(mousePos))
{
foldout = !foldout;
UserDatabase.caches.SetHierarchyFoldout(node, foldout);
Event.current.Use();
}
else if (nodeRect.Contains(mousePos) &&
(Event.current.button == 0 ||
Event.current.button == 1))
{
var nodes = UserDatabase.selection.nodes != null
? CoreUtil.CopyArray(UserDatabase.selection.nodes)
: new Node[0];
if (Event.current.control)
{
if (selected)
{
ArrayUtility.Remove(ref nodes, node);
}
else
{
ArrayUtility.Add(ref nodes, node);
var list = GUIUtility.GetStateObject(typeof(List <Node>), controlId) as List <Node>;
list.Add(node);
}
mTemps = nodes;
}
else if (Event.current.shift && nodes.Length > 0)
{
var filter = new List <Node>();
var list = new List <Node>();
foreach (var n in root)
{
FlattenNode(list, n);
}
var index = list.IndexOf(node);
var nIndex = nodes.Select(n => list.IndexOf(n)).Min();
var from = Mathf.Min(nIndex, index);
var to = Mathf.Max(nIndex, index);
for (var i = @from; i <= to; i++)
{
if (!filter.Contains(list[i]))
{
filter.Add(list[i]);
}
}
mTemps = filter.ToArray();
}
else
{
if (!selected)
{
mTemps = new[] { node }
}
;
if (node.childCount > 0 && Event.current.clickCount == 2)
{
foldout = !foldout;
UserDatabase.caches.SetHierarchyFoldout(node, foldout);
}
}
Event.current.Use();
}
break;
}
case EventType.MouseUp:
{
if (!focused || frect.Contains(mousePos))
{
break;
}
if (UserDragDrop.dragging)
{
var nodes = UserDragDrop.data as Node[];
if (nodes != null && nodes.Length > 0)
{
if (topRect.Contains(mousePos))
{
UserUtil.MoveNodes(nodes, node.parent, node.GetSiblingIndex());
UserDragDrop.StopDrag();
Cursor.SetState(Cursor.State.Default);
UserDatabase.caches.SetHierarchyFoldout(node.parent, true);
Event.current.Use();
}
else if (bottomRect.Contains(mousePos))
{
UserUtil.MoveNodes(nodes, node.parent, node.GetSiblingIndex() + 1);
UserDragDrop.StopDrag();
Cursor.SetState(Cursor.State.Default);
UserDatabase.caches.SetHierarchyFoldout(node.parent, true);
Event.current.Use();
}
else if (centerRect.Contains(mousePos))
{
UserUtil.MoveNodes(nodes, node, -1);
UserDragDrop.StopDrag();
Cursor.SetState(Cursor.State.Default);
UserDatabase.caches.SetHierarchyFoldout(node, true);
Event.current.Use();
}
}
}
else
{
if (Event.current.button == 0 && nodeRect.Contains(mousePos))
{
var nodes = UserDatabase.selection.nodes != null
? CoreUtil.CopyArray(UserDatabase.selection.nodes)
: new Node[0];
if (Event.current.control)
{
if (selected)
{
var list =
GUIUtility.QueryStateObject(typeof(List <Node>), controlId) as List <Node>;
if (list != null && list.Count > 0)
{
if (list[0] != node)
{
ArrayUtility.Remove(ref nodes, node);
UserUtil.SelectNodes(nodes);
}
list.Clear();
}
}
}
else if (!Event.current.shift)
{
if (selected)
{
UserUtil.SelectNodes(new[] { node });
}
}
if (Event.current.button != 1)
{
Event.current.Use();
}
}
}
break;
}
case EventType.MouseDrag:
{
if (focused && Event.current.button == 0 && !UserDragDrop.dragging)
{
var nodes = selectedNodes;
if (nodes != null && nodes.Contains(node) && nodeRect.Contains(mousePos))
{
var data = new Node[nodes.Length];
Array.Copy(nodes, data, data.Length);
UserDragDrop.StartDrag(data);
Cursor.SetState(Cursor.State.DragAnything);
Event.current.Use();
}
}
break;
}
}
EditorGUI.LabelField(new Rect(nodeRect.x + 12, nodeRect.y, nodeRect.width, nodeRect.height),
new GUIContent(node.name));
if (UserDragDrop.dragging)
{
var indentOffset = PersistentGUI.indent + 12;
if (topRect.Contains(mousePos))
{
PersistentGUI.DrawAAPolyLine(
new Rect(topRect.x + indentOffset, topRect.y, topRect.width - indentOffset, topRect.height), 2,
UserSetting.HierarchyDragTipsColor);
}
else if (centerRect.Contains(mousePos))
{
PersistentGUI.DrawAAPolyLine(
new Rect(centerRect.x + indentOffset, centerRect.y, centerRect.width - indentOffset,
centerRect.height), 2, UserSetting.HierarchyDragTipsColor);
}
}
if (foldout && node.childCount > 0)
{
EditorGUI.indentLevel += 1;
for (int i = 0; i < node.childCount; i++)
{
OnNodeGUI(node.GetChild(i));
}
EditorGUI.indentLevel -= 1;
}
else
{
if (UserDragDrop.dragging)
{
if (bottomRect.Contains(mousePos))
{
var indentOffset = PersistentGUI.indent + 12;
PersistentGUI.DrawAAPolyLine(
new Rect(bottomRect.x + indentOffset, bottomRect.y, bottomRect.width - indentOffset,
bottomRect.height), 2, UserSetting.HierarchyDragTipsColor);
}
}
}
}
private void OnEvent()
{
switch (Event.current.type)
{
case EventType.MouseLeaveWindow:
{
if (Cursor.GetState() != Cursor.State.Default)
{
Cursor.SetState(Cursor.State.Default);
Event.current.Use();
}
break;
}
case EventType.MouseMove:
{
if (container == null || !container.rect.Contains(Event.current.mousePosition))
{
if (Cursor.GetState() != Cursor.State.Default)
{
Cursor.SetState(Cursor.State.Default);
Event.current.Use();
}
}
break;
}
case EventType.MouseDown:
{
Event.current.Use();
break;
}
case EventType.MouseUp:
{
if (UserDragDrop.dragging)
{
UserDragDrop.StopDrag();
Cursor.ResetState();
Event.current.Use();
}
break;
}
case EventType.MouseDrag:
{
if (UserDragDrop.dragging)
{
if (!new Rect(0, 0, position.width, position.height).Contains(Event.current.mousePosition))
{
UserDragDrop.StopDrag();
Cursor.ResetState();
}
Event.current.Use();
}
break;
}
}
}
private void OnPostEvent()
{
var controlId = GUIUtility.GetControlID(FocusType.Keyboard);
var eventType = Event.current.GetTypeForControl(controlId);
var mousePos = Event.current.mousePosition;
switch (eventType)
{
case EventType.MouseDrag:
{
if (!nativeRect.Contains(mousePos) && mTemps != null)
{
mTemps = null;
Event.current.Use();
}
break;
}
case EventType.MouseDown:
{
if (Event.current.button == 0 &&
nativeRect.Contains(mousePos))
{
UserUtil.SelectNodes(null);
Event.current.Use();
}
break;
}
case EventType.MouseUp:
{
if (nativeRect.Contains(mousePos))
{
if (Event.current.button == 0)
{
if (UserDragDrop.dragging)
{
var nodes = UserDragDrop.data as Node[];
if (nodes != null && nodes.Length > 0)
{
UserUtil.MoveNodes(nodes, root, root.childCount);
UserDragDrop.StopDrag();
Cursor.SetState(Cursor.State.Default);
Event.current.Use();
}
}
}
else if (Event.current.button == 1)
{
UserMenu.ShowNodeContext(root);
Event.current.Use();
}
}
break;
}
case EventType.KeyDown:
{
if (!focused)
{
break;
}
switch (Event.current.keyCode)
{
case KeyCode.Delete:
{
UserUtil.DeleteNodes();
Event.current.Use();
break;
}
case KeyCode.UpArrow:
case KeyCode.DownArrow:
case KeyCode.LeftArrow:
case KeyCode.RightArrow:
{
var node = UserDatabase.selection.node;
if (node != null)
{
List <Node> list = new List <Node>();
foreach (var n in root)
{
FlattenNode(list, n);
}
var index = list.IndexOf(node);
switch (Event.current.keyCode)
{
case KeyCode.UpArrow:
{
if (index > 0)
{
UserUtil.SelectNodes(new Node[] { list[index - 1] });
}
break;
}
case KeyCode.DownArrow:
{
if (index < list.Count - 1)
{
UserUtil.SelectNodes(new Node[] { list[index + 1] });
}
break;
}
case KeyCode.LeftArrow:
{
if (node.childCount > 0)
{
UserDatabase.caches.SetHierarchyFoldout(node, false);
}
break;
}
case KeyCode.RightArrow:
{
if (node.childCount > 0)
{
UserDatabase.caches.SetHierarchyFoldout(node, true);
}
break;
}
}
Event.current.Use();
}
break;
}
}
break;
}
case EventType.ValidateCommand:
{
if (!focused)
{
break;
}
if (Event.current.commandName == "Copy" ||
Event.current.commandName == "Paste" ||
Event.current.commandName == "Duplicate" ||
Event.current.commandName == "SelectAll")
{
Event.current.Use();
}
break;
}
case EventType.ExecuteCommand:
{
if (!focused)
{
break;
}
switch (Event.current.commandName)
{
case "Copy":
{
UserUtil.CopyNodes(root);
Event.current.Use();
break;
}
case "Paste":
{
UserUtil.PasteNodes(root);
Event.current.Use();
break;
}
case "Duplicate":
{
UserUtil.DuplicateNodes(root);
Event.current.Use();
break;
}
case "SelectAll":
{
var list = new List <Node>();
foreach (var n in root)
{
FlattenNode(list, n);
}
UserUtil.SelectNodes(list.ToArray());
Event.current.Use();
break;
}
}
break;
}
}
}