public void MoveItemFromTo(Int32 currentIndex, Int32 newIndex)
{
if (currentIndex < 0 || newIndex < 0 || currentIndex == newIndex)
{
return;
}
if (ShowDebug)
{
Debug.Log(string.Format("Move from: {0} to: {1}", currentIndex, newIndex));
}
var item = _viewItems[currentIndex];
if (item == null)
{
return;
}
ItemsSource.RemoveAt(currentIndex);
ItemsSource.Insert(newIndex, item);
PreFrameActions.Enqueue(() => { }); // Dummy to trigger item update
}
public Boolean OnInspectorGUI(Boolean isExpaned, Rect position)
{
if (_styles == null)
{
_styles = new Styles( );
}
position.x += 4;
position.width -= 4;
var foldoutState = EditorGUI.Foldout(position, isExpaned, String.Format("{0} ({1} items) ", _title, ItemsSource.Count));
position.width /= 2;
position.x += position.width;
position.width -= 4;
var newVal = EditorGUI.ObjectField(position, (UnityEngine.Object)null, typeof(T), true);
if (newVal != null)
{
ItemsSource.Add((T)(System.Object)newVal);
BufferItems();
}
if (!foldoutState || ItemsSource.Count == 0)
{
return(foldoutState);
}
#region | Change Processing |
{
var hasPreFrameActions = PreFrameActions != null && PreFrameActions.Count > 0;
if (hasPreFrameActions)
{
foreach (var action in PreFrameActions)
{
action( );
}
PreFrameActions.Clear( );
}
var hasNextFrameActions = NextFrameActions != null && NextFrameActions.Count > 0;
var changed = hasPreFrameActions || hasNextFrameActions;
if (ShowDebug)
{
Debug.Log(String.Format("PreFrame Count: {0}", PreFrameActions.Count));
}
if (changed || _viewItems == null || _viewItems.Count <= 0)
{
BufferItems( );
}
if (changed)
{
foreach (var action in NextFrameActions)
{
action( );
}
NextFrameActions.Clear( );
}
}
#endregion
EditorGUILayout.Space( );
EditorGUILayout.BeginHorizontal(new GUILayoutOption[0]);
{
GUILayout.Space(4f);
EditorGUILayout.BeginVertical(new GUILayoutOption[0]);
{
EditorGUILayout.BeginVertical(_styles.boxBackground);
{
//_scroll = EditorGUILayout.BeginScrollView(_scroll);
//{
var options = new[] { GUILayout.ExpandWidth(true) };
var dragResult = DragGUI <T> .Draggable(GUILayoutUtility.GetRect(10f, 21 * _viewItems.Count, options), 21, (List <T>) _viewItems, _drawElement);
if (ShowDebug)
{
Debug.Log(String.Format("PreFrame Count END: {0}", PreFrameActions.Count));
}
if (dragResult.WasMoved)
{
var newIndex = dragResult.NewIndex.Value;
if (ShowDebug)
{
Debug.Log(String.Format("Trying to move from:{0} to:{1}", dragResult.PreviousIndex, newIndex));
}
MoveItemFromTo(dragResult.PreviousIndex, newIndex);
//SetIndexAccordingToNeighbors(newIndex);
}
//}
//EditorGUILayout.EndScrollView();
}
EditorGUILayout.EndVertical();
//GUILayout.BeginHorizontal(_styles.toolbar, new GUILayoutOption[0]);
//{
// GUILayout.FlexibleSpace();
// var iconToolbarPlus = _styles.iconToolbarPlus;
// var rect = GUILayoutUtility.GetRect(iconToolbarPlus, _styles.toolbarDropDown);
// if (EditorGUIExt.ButtonMouseDown(rect, _styles.iconToolbarClear, FocusType.Native, _styles.toolbarDropDown))
// PreFrameActions.Enqueue(() => ItemsSource.Clear());
//}
//GUILayout.EndHorizontal();
}
GUILayout.EndVertical( );
GUILayout.Space(4f);
}
GUILayout.EndHorizontal( );
//GUILayout.FlexibleSpace( );
return(foldoutState);
}
public ArrayGUI(String name, Func <IList <T> > array, Boolean readOnly = false, Boolean allowDuplicates = false, Action <Rect, T, Boolean> drawElementAction = null)
{
_title = name;
_itemsSource = array;
_readonly = readOnly;
_allowDuplicates = allowDuplicates;
if (!typeof(Object).IsAssignableFrom(typeof(T)) && drawElementAction == null)
{
throw new Exception(string.Format(
"Trying to create ArrayGUI with type: {0}, " +
"however type is not based on UnityEngine.Object and no drawElementAction is specified. " +
"Either use a UnityEngine.Object derived type or provide a custom drawElementAction",
typeof(T).Name));
}
_drawElement = ((rect, item, dragging, index) =>
{
if (Event.current.type == EventType.Repaint)
{
_styles.elementBackground.Draw(rect, false, false, false, false);
var handleRect = new Rect(rect.x + 5f, rect.y + 7f, 10f, rect.height - 14f);
_styles.draggingHandle.Draw(handleRect, false, false, false, false);
}
var middleRect = new Rect(rect.x + 20f, rect.y + 2f, rect.width - 48f, rect.height - 4);
if (drawElementAction == null)
{
var previousO = item;
var temp = EditorGUI.ObjectField(middleRect, item as Object, typeof(T), true);
var o = temp == null ? default(T) : CastAs <T>(temp);
var hasObject = o != null;
if (hasObject)
{
var isChangeObject = !o.Equals(previousO);
//var isNewObject = previousO == null && o != null;
//if (hasObject && isNewObject)
//{
// PreFrameActions.Enqueue(() => {});
// ItemsSource.Add( o );
//}
if (hasObject && isChangeObject)
{
PreFrameActions.Enqueue(() => {});
ItemsSource[index] = o;
}
if (ShowDebug)
{
Debug.Log(string.Format("HasObject: {0}, IsChangeObject: {1}", hasObject, isChangeObject));
}
}
}
else
{
drawElementAction.Invoke(middleRect, item, dragging);
}
if (item != null)
{
var removeRect = new Rect(rect.x + rect.width - 24f, rect.y + 2f, 24f, rect.height - 4);
if (GUI.Button(removeRect, _styles.iconToolbarMinus, _styles.removeButton))
{
var si = index;
PreFrameActions.Enqueue(() => Remove(si));
}
}
});
}
