private Rect DrawSubAssetsControl(SerializedProperty property, List <Object> subAssets)
{
assetDropDownRect = new Rect(assetDropDownRect.position, new Vector2(assetDropDownRect.width / 2, assetDropDownRect.height));
var objRect = new Rect(assetDropDownRect.xMax, assetDropDownRect.y, assetDropDownRect.width, assetDropDownRect.height);
float pickerWidth = 20f;
Rect pickerRect = objRect;
pickerRect.width = pickerWidth;
pickerRect.x = objRect.xMax - pickerWidth;
bool multipleSubassets = false;
// Check if targetObjects have multiple different selected
if (property.serializedObject.targetObjects.Length > 1)
{
multipleSubassets = AssetReferenceDrawerUtilities.CheckTargetObjectsSubassetsAreDifferent(property, m_AssetRefObject.SubObjectName, fieldInfo, m_label.text);
}
bool isPickerPressed = Event.current.type == EventType.MouseDown && Event.current.button == 0 && pickerRect.Contains(Event.current.mousePosition);
if (isPickerPressed)
{
// Do custom popup with scroll to pick subasset
if (m_SubassetPopup == null || m_SubassetPopup.m_property != property)
{
m_SubassetPopup = CreateSubAssetPopup(property, subAssets ?? AssetReferenceDrawerUtilities.GetSubAssetsList(m_AssetRefObject));
}
PopupWindow.Show(objRect, m_SubassetPopup);
}
if (m_SubassetPopup != null && m_SubassetPopup.SelectionChanged)
{
m_SubassetPopup.UpdateSubAssets();
}
// Show selected name
GUIContent nameSelected = new GUIContent("--");
if (!multipleSubassets)
{
nameSelected.text = AssetReferenceDrawerUtilities.FormatName(m_AssetRefObject.SubObjectName);
}
UnityEngine.GUI.Box(objRect, nameSelected, EditorStyles.objectField);
#if UNITY_2019_1_OR_NEWER
// Draw picker arrow
DrawCaret(pickerRect);
#endif
return(assetDropDownRect);
}
private void DrawSubassets(SerializedProperty property)
{
if (m_AssetRefObject.editorAsset != null && m_ReferencesSame)
{
List <Object> subAssets = null;
bool hasSubAssets = !string.IsNullOrEmpty(m_AssetRefObject.SubObjectName);
if (!hasSubAssets)
{
subAssets = AssetReferenceDrawerUtilities.GetSubAssetsList(m_AssetRefObject);
hasSubAssets = subAssets.Count > 1;
}
if (hasSubAssets)
{
assetDropDownRect = DrawSubAssetsControl(property, subAssets);
}
}
}