public void Draw(Rect rect, TypeSelectorPopupContent selector,
Action <Type> callback)
{
var viewRect = rect.SubXMax(16);
var groupStyle = GroupStyle.Value;
var totalHeight = CalcHeight(viewRect.width);
var itemRect = viewRect;
viewRect.height = totalHeight;
using (var scope = new GUI.ScrollViewScope(rect, scrollPos, viewRect)) {
scrollPos = scope.scrollPosition;
foreach (var group in Subgroups)
{
var msg = $"{group.Name}/";
var content = new GUIContent(msg);
var height = groupStyle.CalcHeight(content, itemRect.width);
itemRect.height = height;
var fwdArrow = EditorGUIUtility.GetBuiltinSkin(EditorSkin.Inspector)
.GetStyle(GUIStyles.ACRightArrow);
if (Event.current.type == EventType.Repaint)
{
fwdArrow.Draw(itemRect.SetXMin(itemRect.xMax - itemRect.height), false, false, false, false);
}
if (GUI.Button(itemRect, content, groupStyle))
{
selector.Path.Push(group.Name);
}
itemRect.y += height;
}
DrawItems(GroupTypes, itemRect, callback);
}
}
public TypeSelectorButton(
ModularContent <GUIContent> guiContent,
Action <Type> onTypeSelected,
Func <Type, TypeSelectorGroup, TypeSelectorGroup> groupSelector = null,
string noElementsFoundMessage = TypeSelectorPopupContent.DefaultNoElementsFoundMessage,
ModularContent <GUILayoutOption[]> guiLayoutOptions = null,
params Type[] validTypes
)
{
this.guiContent = guiContent;
this.guiLayoutOptions = guiLayoutOptions ?? new GUILayoutOption[0];
selector = new TypeSelectorPopupContent(
() => lastRect.width,
onTypeSelected,
groupSelector,
noElementsFoundMessage,
validTypes
);
}
