private void Init()
{
if (this.fieldInfo != null)
{
var tp = this.fieldInfo.FieldType;
if (tp.IsListType())
{
tp = tp.GetElementTypeOfListType();
}
_restrictionType = tp;
}
if (this.attribute != null && this.attribute is SelectableComponentAttribute)
{
//created as part as a PropertyHandler
var attrib = (this.attribute as SelectableComponentAttribute);
this.AllowSceneObject = attrib.AllowSceneObjects;
this.ForceOnlySelf = attrib.ForceOnlySelf;
this.SearchChildren = attrib.SearchChildren;
if (attrib.InheritsFromType != null)
{
_restrictionType = attrib.InheritsFromType;
}
}
if (this.ChoiceSelector == null)
{
this.ChoiceSelector = new DefaultComponentChoiceSelector();
}
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
this.Init();
if (property.propertyType != SerializedPropertyType.ObjectReference || !TypeUtil.IsType(_restrictionType, typeof(Component), typeof(IComponent)))
{
this.DrawAsMismatchedAttribute(position, property, label);
return;
}
if (this.ChoiceSelector == null)
{
this.ChoiceSelector = new DefaultComponentChoiceSelector();
}
this.ChoiceSelector.BeforeGUI(property, _restrictionType);
if(property.objectReferenceValue == null)
{
//SPEditorGUI.DefaultPropertyField(position, property, label);
this.DrawObjectRefField(position, property, label);
}
else
{
float w = (label == GUIContent.none) ? position.width : Mathf.Max(position.width - EditorGUIUtility.labelWidth, 0);
var ra = new Rect(position.xMin, position.yMin, w * this.PopupWidthScale, position.height);
var rb = new Rect(ra.xMax, position.yMin, w - ra.width, position.height);
var components = this.ChoiceSelector.GetComponents();
var names = this.ChoiceSelector.GetPopupEntries();
int oi = this.ChoiceSelector.GetPopupIndexOfComponent(property.objectReferenceValue as Component);
int ni = EditorGUI.Popup(ra, label, oi, names);
if(oi != ni) property.objectReferenceValue = this.ChoiceSelector.GetComponentAtPopupIndex(ni);
this.DrawObjectRefField(rb, property, GUIContent.none);
}
this.ChoiceSelector.GUIComplete(property);
}
private void Init()
{
if (this.fieldInfo != null)
{
var tp = this.fieldInfo.FieldType;
if (tp.IsListType()) tp = tp.GetElementTypeOfListType();
_restrictionType = tp;
}
if (this.attribute != null && this.attribute is SelectableComponentAttribute)
{
//created as part as a PropertyHandler
var attrib = (this.attribute as SelectableComponentAttribute);
this.AllowSceneObject = attrib.AllowSceneObjects;
this.ForceOnlySelf = attrib.ForceOnlySelf;
this.SearchChildren = attrib.SearchChildren;
if (attrib.InheritsFromType != null) _restrictionType = attrib.InheritsFromType;
}
if (this.ChoiceSelector == null)
{
this.ChoiceSelector = new DefaultComponentChoiceSelector();
}
}
