public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
{
DropDownListAttribute attrib = attribute as DropDownListAttribute;
string[] list = GetList(property, attrib);
if (list == null || list.Length == 0 || (property.propertyType != SerializedPropertyType.String && property.propertyType != SerializedPropertyType.Integer &&
property.propertyType != SerializedPropertyType.Float))
{
return(base.GetPropertyHeight(property, label) + 25f);
}
return(base.GetPropertyHeight(property, label));
}
string[] GetList(SerializedProperty property, DropDownListAttribute attrib)
{
string[] list = new string[0];
for (int i = 0; i < attrib.gameObjectTag.Length; i++)
{
string gameObjectTag = attrib.gameObjectTag[i];
string componentName = attrib.componentName[i];
string propertyName = attrib.propertyName[i];
string propertyRelativeName = attrib.propertyRelativeName[i];
string[] defaultKeys = attrib.defaultKeys;
string prefix = attrib.prefix[i];
SerializedObject serializedObj = GetSerializedObject(property, gameObjectTag, componentName);
string[] temp = GetList(property, serializedObj, propertyName, propertyRelativeName, defaultKeys, prefix);
list = MergeTwoArrays(list, temp);
}
return(list);
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
if (property == null)
{
return;
}
label = EditorGUI.BeginProperty(position, label, property);
position = EditorGUI.PrefixLabel(position, GUIUtility.GetControlID(FocusType.Passive), label);
var indent = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
DropDownListAttribute attrib = attribute as DropDownListAttribute;
string[] list = GetList(property, attrib);
if (list == null)
{
EditorGUI.HelpBox(position, "Target Game Object is null, please make sure the target Game Object is active in hierarchy", MessageType.Warning);
return;
}
if (list.Length == 0)
{
EditorGUI.HelpBox(position, "The target list is empty, cannot show value(s) on this element. Please add a value on the target list", MessageType.Warning);
if (property.propertyType == SerializedPropertyType.String)
{
property.stringValue = null;
}
else if (property.propertyType == SerializedPropertyType.Integer)
{
property.intValue = ErrorKeyCode.EmptyList.GetHashCode();
}
else if (property.propertyType == SerializedPropertyType.Float)
{
property.floatValue = ErrorKeyCode.EmptyList.GetHashCode();
}
return;
}
if (property.propertyType == SerializedPropertyType.String)
{
string name = property.stringValue;
DropDownList(position, list, ref name, attrib.indexValue);
property.stringValue = name;
}
else if (property.propertyType == SerializedPropertyType.Integer)
{
string name = property.intValue.ToString();
DropDownList(position, list, ref name, attrib.indexValue);
name = GetDefaultKeyNumberValue(name);
property.intValue = int.Parse(name);
}
else if (property.propertyType == SerializedPropertyType.Float)
{
string name = property.floatValue.ToString();
DropDownList(position, list, ref name, attrib.indexValue);
name = GetDefaultKeyNumberValue(name);
property.floatValue = float.Parse(name);
}
else
{
EditorGUI.HelpBox(position, "DropDownList attribute only works with type string, int and float.", MessageType.Error);
}
EditorGUI.indentLevel = indent;
EditorGUI.EndProperty();
}
