// DrawListItem for ReorderableList
protected void DrawListItem(EditorReorderableList <UnityEngine.Object> list, UnityEngine.Object item)
{
UnityEngine.Object unityItem = item;
if (item is ShelfSceneReference)
{
unityItem = (item as ShelfSceneReference).Resolve();
}
var originalColor = GUI.color;
GUI.color = (unityItem != null ? originalColor : new Color(1.0f, 1.0f, 1.0f, 0.5f));
var originalBackground = GUI.backgroundColor;
if (list.IsSelected(item))
{
GUI.backgroundColor = new Color(0.8f, 0.8f, 0.8f, 1f);
}
var mainRect = EditorGUILayout.BeginHorizontal(GUI.skin.box);
{
GUILayout.Label(ListItemContent(list, item), GUILayout.ExpandWidth(true), GUILayout.Height(SHELF_ITEM_HEIGHT));
// Add component to game object for mono scripts
if (item is MonoScript &&
Selection.activeGameObject != null &&
GUILayout.Button("a", "label", GUILayout.Width(10)))
{
var comp = Selection.activeGameObject.AddComponent((item as MonoScript).GetClass());
// RegisterCreatedObjectUndo only works for non-persistent objects (?!)
if (!EditorUtility.IsPersistent(comp))
{
Undo.RegisterCreatedObjectUndo(comp, "Add Component");
}
// Instantiate prefabs
}
else if (item is GameObject &&
EditorUtility.IsPersistent(item) &&
GUILayout.Button("n", GUILayout.Width(20)))
{
TextEditor textEditor = new TextEditor();
textEditor.text = item.name;
textEditor.OnFocus();
textEditor.Copy();
}
if (GUILayout.Button("x", GUILayout.Width(20)))
{
list.HandleListItemRemove(item);
}
}
EditorGUILayout.EndHorizontal();
GUI.color = originalColor;
GUI.backgroundColor = originalBackground;
list.HandleListItemClick(mainRect, item);
}
// ListItemContent for ReorderableList
protected GUIContent ListItemContent(EditorReorderableList <UnityEngine.Object> list, UnityEngine.Object item)
{
var path = AssetDatabase.GetAssetPath(item);
// ShelfSceneReference instances
if (item is ShelfSceneReference)
{
var sceneRef = (item as ShelfSceneReference);
var reference = sceneRef.Resolve();
// Handle references that are currently out of scope
Type type = (reference != null ? reference.GetType() : typeof(UnityEngine.Object));
var content = new GUIContent(EditorGUIUtility.ObjectContent(null, type));
if (reference == null)
{
content.text = sceneRef.name;
content.tooltip = sceneRef.scenePath + "/" + sceneRef.componentName;
}
else
{
content.text = reference.name;
}
return(content);
// Project Assets
}
else if (!string.IsNullOrEmpty(path))
{
return(new GUIContent(
Path.GetFileNameWithoutExtension(path),
AssetDatabase.GetCachedIcon(path)
));
// Generic references
}
else
{
// Workaround for ObjectContent not returning icon for game objects
// passed as first argument. Works if only the type is passed.
var type = item.GetType();
var content = new GUIContent(EditorGUIUtility.ObjectContent(null, type));
if (item is GameObject)
{
content.text = item.name;
}
else
{
content.text = string.Format("{0} ({1})", item.name, type.Name);
}
return(content);
}
}
// Default delegate for drawing list items
protected static void DrawListItem(EditorReorderableList <T> list, T item)
{
var originalBackground = GUI.backgroundColor;
if (list.Selection.Contains(item))
{
GUI.backgroundColor = new Color(0.8f, 0.8f, 0.8f, 1f);
}
EditorGUILayout.BeginHorizontal(GUI.skin.box);
GUILayout.Label(list.listItemContentCallback(list, item), GUILayout.ExpandWidth(true));
if (GUILayout.Button("x", GUIStyle.none, GUILayout.Width(10)))
{
list.HandleListItemRemove(item);
}
EditorGUILayout.EndHorizontal();
GUI.backgroundColor = originalBackground;
list.HandleListItemClick(GUILayoutUtility.GetLastRect(), item);
}
// Default delegate for drawing the empty list item
protected static void DrawEmptyListItem(EditorReorderableList <T> list)
{
// Initialize style
if (emptyBoxStyle == null)
{
emptyBoxStyle = new GUIStyle(GUI.skin.box);
emptyBoxStyle.normal.background = null;
}
// Draw empty box
EditorGUILayout.BeginVertical(emptyBoxStyle);
if (float.IsNaN(list.emptyListItemHeight))
{
GUILayout.Label("");
}
else
{
GUILayout.Space(list.emptyListItemHeight);
}
EditorGUILayout.EndVertical();
}
// ListItemClick for ReorderableList
protected void ListItemClick(EditorReorderableList <UnityEngine.Object> list, UnityEngine.Object item)
{
if (item is ShelfSceneReference)
{
var reference = (item as ShelfSceneReference).Resolve();
Selection.activeObject = reference;
}
else
{
var path = AssetDatabase.GetAssetPath(item);
var isDirectory = false;
if (!string.IsNullOrEmpty(path))
{
path = Application.dataPath + "/../" + path;
isDirectory = Directory.Exists(path);
}
if (isDirectory)
{
// Try to show the folder's contents in Unity 4's two-column
// project view instead of the parent folder's contents.
bool success = false;
var objectBrowserType = typeof(EditorWindow).Assembly.GetType("UnityEditor.ProjectBrowser");
if (objectBrowserType != null)
{
//var objectBrowser = EditorWindow.GetWindow(objectBrowserType);
var browsers = Resources.FindObjectsOfTypeAll(objectBrowserType);
if (browsers.Length == 0)
{
Debug.LogError("Shelf: Project browser not open, please open it to jump to folders.");
}
else
{
var field = objectBrowserType.GetField("m_ViewMode", bindingFlags);
if (field != null)
{
var viewMode = (int)field.GetValue(browsers[0]);
if (viewMode == 1)
{
var method = objectBrowserType.GetMethod("ShowFolderContents", bindingFlags);
if (method != null)
{
(browsers[0] as EditorWindow).Focus();
method.Invoke(browsers[0], new object[] { item.GetInstanceID(), true });
success = true;
}
}
}
}
}
// Fall back to just pinging the folder
if (!success)
{
EditorGUIUtility.PingObject(item);
}
}
else if (path.EndsWith(".unity"))
{
var goahead = true;
goahead = EditorSceneManager.SaveCurrentModifiedScenesIfUserWantsTo();
if (goahead)
{
OpenSceneDelayed(AssetDatabase.GetAssetPath(item));
}
}
else
{
Selection.activeObject = item;
}
}
}
// ListItemName for ReorderableList
protected string ListItemName(EditorReorderableList <UnityEngine.Object> list, UnityEngine.Object item)
{
return(ListItemContent(list, item).text);
}
// Preferences DrawListItem for ReorderableList
protected static void PreferencesDrawListItem(EditorReorderableList <ShelfLayer> list, ShelfLayer item)
{
EditorGUILayout.BeginHorizontal(GUI.skin.box);
{
// Stop editing an items name if enter or return is pressed
if (editItemName == item &&
Event.current.type == EventType.KeyDown &&
(Event.current.keyCode == KeyCode.Return ||
Event.current.keyCode == KeyCode.KeypadEnter))
{
editItemName = null;
Event.current.Use();
}
// Layer name
if (editItemName != item)
{
GUILayout.Label(item.name, GUILayout.ExpandWidth(true));
}
else
{
var newName = GUILayout.TextField(item.name, GUILayout.ExpandWidth(true));
if (newName != item.name)
{
Undo.RecordObject(Data, "Rename Shelf Layer Name");
item.name = newName;
EditorUtility.SetDirty(Data);
}
}
// Rename button
var content = new GUIContent("...", "Rename Layer");
if (GUILayout.Button(content, "label", GUILayout.Width(15)))
{
if (editItemName == item)
{
editItemName = null;
}
else
{
editItemName = item;
}
}
// Delete button
content = new GUIContent("x", "Delete Layer");
var delete = GUILayout.Button(content, "label", GUILayout.Width(10));
if (delete && item.objects != null && item.objects.Count > 0)
{
delete = EditorUtility.DisplayDialog(
"Shelf",
"Are you shure you want to delete '" + item.name + "'?",
"Delete", "Cancel"
);
}
if (delete)
{
list.RemoveItem(item);
}
}
EditorGUILayout.EndHorizontal();
}
// Preferences ListItemName for ReorderableList
protected static string PreferencesListItemName(EditorReorderableList <ShelfLayer> list, ShelfLayer item)
{
return(item.name);
}
// Preferences ReorderableList.objectReferenceCallback
protected static UnityEngine.Object[] PreferencesLayersReferences(EditorReorderableList <ShelfLayer> list, ShelfLayer[] layers)
{
// Use the editor itself as stand-in for proper drag events
return(new UnityEngine.Object[] { Data });
}
protected static void ShelfPreferences()
{
#if ENABLE_HACKS && PREFERENCES_WINDOW_REDRAW_HACK
// HACK: Get private PreferencesWindow to type to get a
// reference of the preferences window to trigger its redraw
if (!inlinePrefs && preferencesWindow == null)
{
var prefWindowType = typeof(EditorApplication).Assembly.GetType("UnityEditor.PreferencesWindow");
if (prefWindowType != null)
{
preferencesWindow = EditorWindow.GetWindow(prefWindowType);
}
}
#endif
if (Data == null)
{
return;
}
// Initialize reorderable list used to edit shelf layers
if (preferencesList == null)
{
preferencesList = new EditorReorderableList <ShelfLayer>();
preferencesList.allowMultiSelection = false;
preferencesList.undoTarget = Data;
preferencesList.objectReferencesCallback = PreferencesLayersReferences;
preferencesList.listItemNameCallback = PreferencesListItemName;
preferencesList.listItemDrawCallback = PreferencesDrawListItem;
preferencesList.List = Data.layers;
}
EditorGUILayout.LabelField("Drag layers to reorder:");
if (preferencesList.OnGUI())
{
#if ENABLE_HACKS && PREFERENCES_WINDOW_REDRAW_HACK
if (!inlinePrefs && preferencesWindow != null)
{
preferencesWindow.Repaint();
}
#endif
if (editorInstance != null)
{
editorInstance.Repaint();
}
}
// Make sure the selected shelf index stays valid
if (Data.currentLayer >= Data.layers.Count)
{
Data.currentLayer = Data.layers.Count - 1;
}
EditorGUILayout.Space();
// Add new layer
if (GUILayout.Button("Add Layer"))
{
Data.layers.Add(new ShelfLayer()
{
name = "New Layer",
objects = new List <UnityEngine.Object>()
});
EditorUtility.SetDirty(Data);
if (editorInstance != null)
{
editorInstance.Repaint();
}
}
EditorGUILayout.Space();
var enablePopup = EditorPrefs.GetBool(POPUP_PREFS_KEY, true);
enablePopup = EditorGUILayout.Toggle("Enable Popup Shelf", enablePopup);
EditorPrefs.SetBool(POPUP_PREFS_KEY, enablePopup);
}
// Default delegate to remove list items
protected static void ListItemRemove(EditorReorderableList <T> list, int index)
{
list.RegisterUndo("Remove List Item");
list.List.RemoveAt(index);
}
// Get the GUIContent used for the list items
protected static GUIContent ListItemContent(EditorReorderableList <T> list, T item)
{
return(new GUIContent(list.listItemNameCallback(list, item)));
}
// Get the name used for the list item
protected static string ListItemName(EditorReorderableList <T> list, T item)
{
return(item.ToString());
}