/// <summary>
/// Draws property using provided <see cref="Rect"/>.
/// </summary>
/// <param name="position"></param>
/// <param name="property"></param>
/// <param name="label"></param>
protected override void OnGUISafe(Rect position, SerializedProperty property, GUIContent label)
{
var refAttribute = Attribute;
var refProperty = property.FindPropertyRelative("classReference");
//validate serialized data
if (refAttribute == null || refAttribute.AssemblyType == null)
{
EditorGUI.PropertyField(position, refProperty, label);
return;
}
var refType = !string.IsNullOrEmpty(refProperty.stringValue) ? Type.GetType(refProperty.stringValue) : null;
var refTypes = new List <Type>();
var refLabels = new List <string>()
{
"<None>"
};
var index = -1;
//get stored types if possible or create new item
if (!filteredTypes.TryGetValue(refAttribute.AssemblyType, out refTypes))
{
refTypes = filteredTypes[refAttribute.AssemblyType] = refAttribute.GetFilteredTypes();
}
else
{
refTypes = filteredTypes[refAttribute.AssemblyType];
}
//create labels from filtered types
for (int i = 0; i < refTypes.Count; i++)
{
var menuType = refTypes[i];
var menuLabel = FormatGroupedTypeName(menuType, refAttribute.Grouping);
if (menuType == refType)
{
index = i;
}
refLabels.Add(menuLabel);
}
//draw reference property
EditorGUI.BeginProperty(position, label, refProperty);
label = property.name != "data" ? label : GUIContent.none;
index = EditorGUI.Popup(position, label.text, index + 1, refLabels.ToArray());
//get correct class reference, index = 0 is reserved to <None> type
refProperty.stringValue = index >= 1 ? SerializedTypeReference.GetClassReference(refTypes[index - 1]) : "";
EditorGUI.EndProperty();
}
/// <summary>
/// Draws property using provided <see cref="Rect"/>.
/// </summary>
/// <param name="rect"></param>
/// <param name="property"></param>
/// <param name="label"></param>
public override void OnGUI(Rect rect, SerializedProperty property, GUIContent label)
{
var refAttribute = Attribute;
var refProperty = property.FindPropertyRelative("classReference");
if (refProperty == null)
{
Debug.LogWarning(property.name + " property in " + property.serializedObject.targetObject +
" - " + attribute.GetType() + " can be used only on string properties.");
EditorGUI.PropertyField(rect, property, label);
return;
}
if (refAttribute == null || refAttribute.AssemblyType == null)
{
EditorGUI.PropertyField(rect, refProperty, label);
return;
}
//DrawTypeSelectionRect(position, refProperty, refAttribute, label);
var refType = ResolveType(refProperty.stringValue);
var refTypes = new List <Type>();
var refLabels = new List <string>()
{
"<None>"
};
var index = -1;
//get stored types if possible or create new item
if (!filteredTypes.TryGetValue(refAttribute.AssemblyType, out refTypes))
{
refTypes = filteredTypes[refAttribute.AssemblyType] = refAttribute.GetFilteredTypes();
}
else
{
refTypes = filteredTypes[refAttribute.AssemblyType];
}
//create labels from filtered types
for (int i = 0; i < refTypes.Count; i++)
{
var menuType = refTypes[i];
var menuLabel = FormatGroupedTypeName(menuType, refAttribute.Grouping);
if (menuType == refType)
{
index = i;
}
refLabels.Add(menuLabel);
}
//draw reference property
EditorGUI.BeginProperty(rect, label, refProperty);
label = property.name != "data" ? label : GUIContent.none;
index = EditorGUI.Popup(rect, label.text, index + 1, refLabels.ToArray());
//get correct class reference, index = 0 is reserved to <None> type
refProperty.stringValue = index >= 1 ? SerializedTypeReference.GetClassReference(refTypes[index - 1]) : "";
EditorGUI.EndProperty();
}
private void OnTypeSelected(object userData)
{
selectedClassRef = SerializedTypeReference.GetClassReference(userData as Type);
EditorWindow.focusedWindow.SendEvent(EditorGUIUtility.CommandEvent("TypeReferenceUpdated"));
}