void GetPropertyData(object key, object val, ReorderableList rList, int index, out PropertyCacheData keyData, out PropertyCacheData valData)
{
keyData = null;
valData = null;
if (m_ListKeyPropertys.TryGetValue(new KeyValuePair <ReorderableList, int>(rList, index), out var key_cache))
{
if (key_cache.data == key)
{
keyData = key_cache;
}
}
if (m_ListValuePropertys.TryGetValue(new KeyValuePair <ReorderableList, int>(rList, index), out var val_cache))
{
if (val_cache.data == val)
{
valData = val_cache;
}
}
if (keyData == null)
{
var property = SerializedPropertyParser.From(key, out var serializedObject, out var field);
keyData = new PropertyCacheData
{
data = key,
serializedObject = serializedObject,
property = property,
field = field,
};
m_ListKeyPropertys[new KeyValuePair <ReorderableList, int>(rList, index)] = keyData;
}
if (valData == null)
{
var property = SerializedPropertyParser.From(val, out var serializedObject, out var field);
valData = new PropertyCacheData
{
data = val,
serializedObject = serializedObject,
property = property,
field = field,
};
m_ListValuePropertys[new KeyValuePair <ReorderableList, int>(rList, index)] = valData;
}
}
void DrawReorderableList(Component component, FieldInfo field, IDictionary dict)
{
var id = new KeyValuePair <Component, string>(component, field.Name);
bool addCallback = false;
if (!m_DictionaryLists.ContainsKey(id))
{
addCallback = true;
m_DictionaryLists[id] = new ReorderableList(new List <KeyValuePair <object, object> >(), typeof(KeyValuePair <object, object>), true, true, true, true);
}
var rList = m_DictionaryLists[id];
rList.list.Clear();
foreach (var key in dict.Keys.Cast <object>())
{
rList.list.Add(new KeyValuePair <object, object>(key, dict[key]));
}
if (addCallback)
{
rList.drawElementCallback = DrawItem;
rList.onAddCallback = AddItem;
rList.onRemoveCallback = RemoveItem;
rList.onReorderCallback = ReorderList;
rList.drawHeaderCallback = DrawHeader;
rList.elementHeightCallback = GetItemHeight;
}
rList.DoLayoutList();
void DrawHeader(Rect rect)
{
EditorGUI.LabelField(rect, field.Name);
}
float GetItemHeight(int index)
{
var kvp = (KeyValuePair <object, object>)rList.list[index];
object key = kvp.Key;
object val = kvp.Value;
GetPropertyData(key, val, rList, index, out var keyData, out var valData);
float keyHeight = SerializedPropertyParser.GetPropertyHeight(keyData.property);
float valHeight = SerializedPropertyParser.GetPropertyHeight(valData.property);
return(Mathf.Max(keyHeight, valHeight) + 8);
}
void DrawItem(Rect rect, int index, bool selected, bool focused)
{
var kvp = (KeyValuePair <object, object>)rList.list[index];
object key = kvp.Key;
object val = kvp.Value;
float keyWidth = rect.width * 0.45f - 40;
float valWidth = rect.width - keyWidth;
Rect keyPosition = new Rect(rect.x, rect.y, keyWidth - 16, rect.height);
Rect valPosition = new Rect(rect.x + keyWidth, rect.y, valWidth - 8, rect.height);
GetPropertyData(key, val, rList, index, out var keyData, out var valData);
EditorGUI.BeginChangeCheck();
SerializedPropertyParser.PropertyField(keyData.serializedObject, keyData.property, keyData.field, new Rect(rect.x, rect.y, keyWidth - 16, rect.height), ref key);
SerializedPropertyParser.PropertyField(valData.serializedObject, valData.property, valData.field, new Rect(rect.x + keyWidth, rect.y, valWidth - 8, rect.height), ref val);
if (EditorGUI.EndChangeCheck())
{
rList.list[index] = new KeyValuePair <object, object>(key, val);
ListUpdated();
}
}
void AddItem(ReorderableList list)
{
Type[] arguments = dict.GetType().GetGenericArguments();
Type keyType = arguments[0];
Type valueType = arguments[1];
dict.Add(GetDefault(keyType), GetDefault(valueType));
object GetDefault(Type type)
{
if (type == null)
{
return(null);
}
if (type == typeof(string))
{
return("");
}
return(Activator.CreateInstance(type));
}
}
void RemoveItem(ReorderableList list)
{
ReorderableList.defaultBehaviours.DoRemoveButton(list);
ListUpdated();
}
void ReorderList(ReorderableList list)
{
ListUpdated();
}
void ListUpdated()
{
dict.Clear();
foreach (var kvpObj in rList.list)
{
var kvp = (KeyValuePair <object, object>)kvpObj;
dict.Add(kvp.Key, kvp.Value);
}
}
}
