// default add button behavior
public void DoAddButton(InspectableReorderableList list)
{
if (list.inspectableProperty != null)
{
list.inspectableProperty.ArraySize += 1;
list.index = list.inspectableProperty.ArraySize - 1;
}
else
{
// this is ugly but there are a lot of cases like null types and default constructors
Type elementType = list.list.GetType().GetElementType();
if (elementType == typeof(string))
{
list.index = list.list.Add("");
}
else if (elementType != null && elementType.GetConstructor(Type.EmptyTypes) == null)
{
Debug.LogError("Cannot add element. Type " + elementType.ToString() + " has no default constructor. Implement a default constructor or implement your own add behaviour.");
}
else if (list.list.GetType().GetGenericArguments()[0] != null)
{
list.index = list.list.Add(Activator.CreateInstance(list.list.GetType().GetGenericArguments()[0]));
}
else if (elementType != null)
{
list.index = list.list.Add(Activator.CreateInstance(elementType));
}
else
{
Debug.LogError("Cannot add element of type Null.");
}
}
}
public void AddProperty(InspectableProperty property)
{
// Check if this property actually belongs to the same direct child
if (!property.GetRootPath().Equals(Parent))
{
return;
}
if (extendListIndex.ContainsKey(property.PropertyPath))
{
return;
}
InspectableReorderableList propList = new InspectableReorderableList(
property.InspectableObject.SerializedObject, property,
draggable: true, displayHeader: false,
displayAddButton: true, displayRemoveButton: true)
{
headerHeight = 5
};
propList.drawElementBackgroundCallback = delegate(Rect position, int index, bool active, bool focused)
{
if (DrawBackgroundCallback != null)
{
Rect backgroundRect = new Rect(position);
if (index <= 0)
{
backgroundRect.yMin -= 8;
}
if (index >= propList.count - 1)
{
backgroundRect.yMax += 3;
}
EditorGUI.DrawRect(backgroundRect, DrawBackgroundCallback(active, focused));
}
else
{
propList.drawElementBackgroundCallback = null;
}
};
propList.drawElementCallback = delegate(Rect position, int index, bool active, bool focused)
{
var iterProp = property.GetArrayElementAtIndex(index);
var displayName = new GUIContent(iterProp.DisplayName);
if (ElementNameCallback != null)
{
var elementName = ElementNameCallback(index);
displayName = elementName == null ? GUIContent.none : new GUIContent(elementName);
}
EasyGUI.TryDrawInspectableObject(position, iterProp, displayName, IsDrawObjectReference);
};
propList.elementHeightCallback = index => ElementHeightCallback(property, index);
extendListIndex.Add(property.PropertyPath, propList);
}
// default remove button behavior
public void DoRemoveButton(InspectableReorderableList list)
{
if (list.inspectableProperty != null)
{
list.inspectableProperty.DeleteArrayElementAtIndex(list.index);
if (list.index >= list.inspectableProperty.ArraySize - 1)
{
list.index = list.inspectableProperty.ArraySize - 1;
}
}
else
{
list.list.RemoveAt(list.index);
if (list.index >= list.list.Count - 1)
{
list.index = list.list.Count - 1;
}
}
}
// draw the default footer
public void DrawFooter(Rect rect, InspectableReorderableList list)
{
float rightEdge = rect.xMax;
float leftEdge = rightEdge - 8f;
if (list.displayAdd)
{
leftEdge -= 25;
}
if (list.displayRemove)
{
leftEdge -= 25;
}
rect = new Rect(leftEdge, rect.y, rightEdge - leftEdge, rect.height);
Rect addRect = new Rect(leftEdge + 4, rect.y - 3, 25, 13);
Rect removeRect = new Rect(rightEdge - 29, rect.y - 3, 25, 13);
if (Event.current.type == EventType.Repaint)
{
footerBackground.Draw(rect, false, false, false, false);
}
if (list.displayAdd)
{
using (new EditorGUI.DisabledScope(
list.onCanAddCallback != null && !list.onCanAddCallback(list)))
{
if (GUI.Button(addRect, list.onAddDropdownCallback != null ? iconToolbarPlusMore : iconToolbarPlus, preButton))
{
if (list.onAddDropdownCallback != null)
{
list.onAddDropdownCallback(addRect, list);
}
else if (list.onAddCallback != null)
{
list.onAddCallback(list);
}
else
{
DoAddButton(list);
}
if (list.onChangedCallback != null)
{
list.onChangedCallback(list);
}
}
}
}
if (list.displayRemove)
{
using (new EditorGUI.DisabledScope(
list.index < 0 || list.index >= list.count ||
(list.onCanRemoveCallback != null && !list.onCanRemoveCallback(list))))
{
if (GUI.Button(removeRect, iconToolbarMinus, preButton))
{
if (list.onRemoveCallback == null)
{
DoRemoveButton(list);
}
else
{
list.onRemoveCallback(list);
}
if (list.onChangedCallback != null)
{
list.onChangedCallback(list);
}
}
}
}
}