public static object GenericListDrawer(object obj, InvokeWrapper wrapper, GUISkin skin)
{
System.Collections.IList list = wrapper.Get <System.Collections.IList>(obj);
var target = obj as Object;
if (GUI.Foldout(EditorData.Instance.GetData(target, wrapper.Member.Name),
MakeLabel(wrapper.Member),
skin))
{
object insertElementBefore = null;
object insertElementAfter = null;
object eraseElement = null;
var buttonLayout = new GUILayoutOption[] { GUILayout.Width(26), GUILayout.Height(18) };
using (new GUI.Indent(12)) {
foreach (var listObject in list)
{
GUI.Separator();
using (new GUI.Indent(12)) {
GUILayout.BeginHorizontal();
{
GUILayout.BeginVertical();
{
// Using target to render listObject since it normally (CollisionGroupEntry) isn't an Object.
InspectorEditor.DrawMembersGUI(new Object[] { target }, ignored => listObject);
}
GUILayout.EndVertical();
using (GUI.NodeListButtonColor) {
if (GUILayout.Button(GUI.MakeLabel(GUI.Symbols.ListInsertElementBefore.ToString(),
false,
"Insert new element before this"),
skin.button,
buttonLayout))
{
insertElementBefore = listObject;
}
if (GUILayout.Button(GUI.MakeLabel(GUI.Symbols.ListInsertElementAfter.ToString(),
false,
"Insert new element after this"),
skin.button,
buttonLayout))
{
insertElementAfter = listObject;
}
if (GUILayout.Button(GUI.MakeLabel(GUI.Symbols.ListEraseElement.ToString(),
false,
"Erase this element"),
skin.button,
buttonLayout))
{
eraseElement = listObject;
}
}
}
GUILayout.EndHorizontal();
}
}
if (list.Count == 0)
{
GUILayout.Label(GUI.MakeLabel("Empty", true), skin.label);
}
else
{
GUI.Separator();
}
}
bool addElementToList = false;
GUILayout.BeginHorizontal();
{
GUILayout.FlexibleSpace();
using (GUI.NodeListButtonColor)
addElementToList = GUILayout.Button(GUI.MakeLabel(GUI.Symbols.ListInsertElementAfter.ToString(),
false,
"Add new element to list"),
skin.button,
buttonLayout);
}
GUILayout.EndHorizontal();
object newObject = null;
if (addElementToList || insertElementBefore != null || insertElementAfter != null)
{
newObject = Activator.CreateInstance(list.GetType().GetGenericArguments()[0], new object[] { });
}
if (eraseElement != null)
{
list.Remove(eraseElement);
}
else if (newObject != null)
{
if (addElementToList || (list.Count > 0 && insertElementAfter != null && insertElementAfter == list[list.Count - 1]))
{
list.Add(newObject);
}
else if (insertElementAfter != null)
{
list.Insert(list.IndexOf(insertElementAfter) + 1, newObject);
}
else if (insertElementBefore != null)
{
list.Insert(list.IndexOf(insertElementBefore), newObject);
}
}
if (eraseElement != null || newObject != null)
{
EditorUtility.SetDirty(target);
}
}
// A bit of a hack until I figure out how to handle multi-selection
// of lists, if that should be possible at all. We're handling the
// list from inside this drawer and by returning null the return
// value isn't propagated to any targets.
return(null);
}
public static object GenericListDrawer(object[] objects, InvokeWrapper wrapper)
{
var list = wrapper.Get <System.Collections.IList>(objects[0]);
var target = objects[0] as Object;
if (InspectorGUI.Foldout(EditorData.Instance.GetData(target, wrapper.Member.Name),
InspectorGUI.MakeLabel(wrapper.Member)))
{
object insertElementBefore = null;
object insertElementAfter = null;
object eraseElement = null;
var skin = InspectorEditor.Skin;
var buttonLayout = new GUILayoutOption[]
{
GUILayout.Width(1.0f * EditorGUIUtility.singleLineHeight),
GUILayout.Height(1.0f * EditorGUIUtility.singleLineHeight)
};
foreach (var listObject in list)
{
using (InspectorGUI.IndentScope.Single) {
GUILayout.BeginHorizontal();
{
InspectorGUI.Separator(1.0f, EditorGUIUtility.singleLineHeight);
if (InspectorGUI.Button(MiscIcon.EntryInsertBefore,
true,
"Insert new element before this.",
buttonLayout))
{
insertElementBefore = listObject;
}
if (InspectorGUI.Button(MiscIcon.EntryInsertAfter,
true,
"Insert new element after this.",
buttonLayout))
{
insertElementAfter = listObject;
}
if (InspectorGUI.Button(MiscIcon.EntryRemove,
true,
"Remove this element.",
buttonLayout))
{
eraseElement = listObject;
}
}
GUILayout.EndHorizontal();
InspectorEditor.DrawMembersGUI(new Object[] { target }, ignored => listObject);
}
}
InspectorGUI.Separator(1.0f, 0.5f * EditorGUIUtility.singleLineHeight);
if (list.Count == 0)
{
GUILayout.Label(GUI.MakeLabel("Empty", true), skin.Label);
}
bool addElementToList = false;
GUILayout.BeginHorizontal();
{
GUILayout.FlexibleSpace();
addElementToList = InspectorGUI.Button(MiscIcon.EntryInsertAfter,
true,
"Add new element.",
buttonLayout);
}
GUILayout.EndHorizontal();
object newObject = null;
if (addElementToList || insertElementBefore != null || insertElementAfter != null)
{
newObject = Activator.CreateInstance(list.GetType().GetGenericArguments()[0], new object[] { });
}
if (eraseElement != null)
{
list.Remove(eraseElement);
}
else if (newObject != null)
{
if (addElementToList || (list.Count > 0 && insertElementAfter != null && insertElementAfter == list[list.Count - 1]))
{
list.Add(newObject);
}
else if (insertElementAfter != null)
{
list.Insert(list.IndexOf(insertElementAfter) + 1, newObject);
}
else if (insertElementBefore != null)
{
list.Insert(list.IndexOf(insertElementBefore), newObject);
}
}
if (eraseElement != null || newObject != null)
{
EditorUtility.SetDirty(target);
}
}
// A bit of a hack until I figure out how to handle multi-selection
// of lists, if that should be possible at all. We're handling the
// list from inside this drawer and by returning null the return
// value isn't propagated to any targets.
return(null);
}