/// <summary>
/// Content list is a simpler 'BetterList' version without ability to move objects and is designed to draw all items at once.
/// </summary>
public static List <T1> ContentList <T1, T2>([NotNull] List <T1> list, [NotNull] T2 target, JEMBetterEditorEvents <T1> @event, JEMBetterEditorStyle style)
{
if (list == null)
{
throw new ArgumentNullException(nameof(list));
}
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (@event.OnDraw == null)
{
EditorGUILayout.HelpBox("BetterList error. Events OnDraw must be set.", MessageType.Error);
return(list);
}
DrawBetterEditorGroup(style, () =>
{
var prevEnable = GUI.enabled;
if (style.Readonly)
{
GUI.enabled = false;
}
for (var index = 0; index < list.Count; index++)
{
EditorGUILayout.BeginHorizontal("box");
{
list[index] = @event.OnDraw(list[index]);
GUILayout.FlexibleSpace();
GUI.color = Color.red;
if (GUILayout.Button("Remove", GUILayout.Width(70)))
{
if (@event.OnRemove != null)
{
@event.OnRemove(list[index]);
}
else
{
list.RemoveAt(index);
}
index--;
}
GUI.color = Color.white;
}
EditorGUILayout.EndHorizontal();
}
EditorGUILayout.BeginHorizontal("box");
{
GUILayout.FlexibleSpace();
GUI.color = Color.green;
if (GUILayout.Button("New", GUILayout.Width(70)))
{
if (@event.OnAdd != null)
{
@event.OnAdd.Invoke();
}
else
{
var newInstance = FastObjectFactory <T1> .Instance();
list.Add(newInstance);
}
}
GUI.color = Color.white;
}
EditorGUILayout.EndHorizontal();
GUI.enabled = prevEnable;
}, @event.OnDrawMenu);
return(list);
}
/// <summary>
/// Better list is replace for unity's array/list property control.
/// Implements custom item editor and adds ability to move items in list.
/// </summary>
public static List <T1> BetterList <T1, T2>([NotNull] List <T1> list, [NotNull] T2 target, ref Vector2 scroll, JEMBetterEditorEvents <T1> @event, JEMBetterEditorStyle style) where T2 : Object
{
if (list == null)
{
throw new ArgumentNullException(nameof(list));
}
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (@event.OnDraw == null)
{
EditorGUILayout.HelpBox("BetterList error. Events OnDraw must be set.", MessageType.Error);
return(list);
}
var targetName = $"{style.EditorName}.{typeof(T1)}";
var scroll1 = scroll;
DrawBetterEditorGroup(style, () =>
{
var newList = list;
EditorGUI.BeginChangeCheck();
scroll1 = EditorGUILayout.BeginScrollView(scroll1);
{
for (var index = 0; index < newList.Count; index++)
{
BeginFixedIndent();
{
EditorGUILayout.BeginVertical();
{
var itemName = $"{targetName}.Item.{index}";
var headerIndex = style.ItemFixedIndex ? index + 1 : index;
var headerText = $"{style.ItemPrefix} #{headerIndex}";
@event.OnPreDraw?.Invoke(newList[index]);
EditorGUILayout.BeginHorizontal();
bool shouldShow = EditorPrefs.GetBool(itemName);
bool show = EditorGUILayout.Foldout(shouldShow, headerText);
var showMenu = GUILayout.Button(string.Empty, EditorStyles.foldoutHeaderIcon,
GUILayout.Width(15));
if (showMenu)
{
var menu = new GenericMenu();
if (index - 1 >= 0)
{
var index1 = index;
menu.AddItem(new GUIContent("Move up"), false, () =>
{
var obj = newList[index1];
newList.RemoveAt(index1);
newList.Insert(index1 - 1, obj);
GUI.FocusControl(null);
});
}
if (index + 1 < newList.Count)
{
var index1 = index;
menu.AddItem(new GUIContent("Move down"), false, () =>
{
var obj = newList[index1];
newList.RemoveAt(index1);
newList.Insert(index1 + 1, obj);
GUI.FocusControl(null);
});
}
var index2 = index;
menu.AddItem(new GUIContent("Remove"), false, () =>
{
var @continue = true;
if (Event.current == null || Event.current.keyCode != KeyCode.LeftControl)
{
if (!EditorUtility.DisplayDialog("Continue?",
$"Do you really want to delete {style.ItemPrefix} #{index2}?", "Yes",
"No"))
{
@continue = false;
}
}
if (@continue)
{
if (@event.OnRemove != null)
{
@event.OnRemove.Invoke(newList[index2]);
}
else
{
newList.RemoveAt(index2);
}
index--;
GUI.FocusControl(null);
}
});
menu.ShowAsContext();
}
EditorGUILayout.EndHorizontal();
if (show)
{
BeginFixedIndent();
{
EditorGUILayout.BeginVertical();
newList[index] = @event.OnDraw.Invoke(newList[index]);
EditorGUILayout.Space();
EditorGUILayout.EndVertical();
}
EndFixedIndent();
}
if (show != shouldShow)
{
EditorPrefs.SetBool(itemName, show);
}
@event.OnPostDraw?.Invoke(newList[index]);
}
EditorGUILayout.EndVertical();
}
EndFixedIndent();
}
BeginFixedIndent(2, true);
EditorGUILayout.BeginHorizontal(GUILayout.Height(14));
{
// GUILayout.FlexibleSpace();
GUI.color = Color.green;
if (GUILayout.Button($"Add new {style.DrawName}", EditorStyles.miniButton, GUILayout.Height(14)))
{
GUI.FocusControl(null);
if (@event.OnAdd != null)
{
@event.OnAdd.Invoke();
}
else
{
var itemName = $"{targetName}.Item.{newList.Count}";
EditorPrefs.SetBool(itemName, true);
var newInstance = FastObjectFactory <T1> .Instance();
newList.Add(newInstance);
}
}
GUILayout.FlexibleSpace();
GUI.color = Color.white;
}
EditorGUILayout.EndHorizontal();
EndFixedIndent(2);
}
EditorGUILayout.EndScrollView();
if (EditorGUI.EndChangeCheck())
{
Undo.RegisterCompleteObjectUndo(target, $"{targetName}.Change");
list = newList;
}
}, @event.OnDrawMenu);
scroll = scroll1;
return(list);
}