public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
bool ro = property.FindPropertyRelative("m_readOnly").boolValue;
SerializedProperty pShowRoot = property.FindPropertyRelative("m_showRootSelector");
SerializedProperty pRoot = property.FindPropertyRelative("m_root");
SerializedProperty pLeaf = property.FindPropertyRelative("m_leaf");
bool isDirectory = property.FindPropertyRelative("m_isDirectory").boolValue;
if (ro)
{
EditorGUI.BeginDisabledGroup(true);
}
EditorGUI.BeginProperty(position, label, property);
position = EditorGUI.PrefixLabel(position, GUIUtility.GetControlID(FocusType.Passive), label);
int indent = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
bool showRoot = pShowRoot.boolValue && pRoot.intValue != (int)DataPath.Root.Current;
float buttonWidth = 22;
float rootWidth = showRoot ? 70 : 0;
float rootMargin = showRoot ? 5 : 0;
float leafWidth = position.width - rootWidth - rootMargin - buttonWidth;
Rect rootRect = new Rect(position.x, position.y, rootWidth, position.height);
Rect leafRect = new Rect(position.x + rootWidth + rootMargin, position.y, leafWidth, position.height);
Rect buttonRect = new Rect(position.x + rootWidth + rootMargin + leafWidth, position.y, buttonWidth, position.height);
if (showRoot)
{
EditorGUI.PropertyField(rootRect, pRoot, GUIContent.none);
}
EditorGUI.PropertyField(leafRect, pLeaf, GUIContent.none);
if (GUI.Button(buttonRect, "..."))
{
DataPath tmp = new DataPath((DataPath.Root)pRoot.intValue, pLeaf.stringValue);
string path = isDirectory ?
EditorUtility.OpenFolderPanel("Select Directory", tmp.GetFullPath(), "") :
EditorUtility.OpenFilePanel("Select File", tmp.GetFullPath(), "");
if (path.Length > 0)
{
DataPath newPath = new DataPath(path);
pRoot.intValue = (int)newPath.GetRoot();
pLeaf.stringValue = newPath.GetLeaf();
}
}
EditorGUI.indentLevel = indent;
EditorGUI.EndProperty();
if (ro)
{
EditorGUI.EndDisabledGroup();
}
}