private void DrawBody(Rect position, IEditorDictionary dict)
{
foreach (KeyValuePair <object, object> entry in dict.GetEntries().ToList())
{
position = position.ColumnNext();
float buttonWidth = ButtonDrawers.ButtonSize.x;
float columnSize = (position.width - buttonWidth) / 2;
Rect[] row = position.SplitRow(columnSize, columnSize, buttonWidth);
object newKey = Drawers.Draw(row[0], dict.KeyType, entry.Key);
object newValue = Drawers.Draw(row[1], dict.ValueType, entry.Value);
if (newKey != entry.Key || newValue != entry.Value)
{
dict.RemoveEntry(entry.Key);
dict.AddEntry(newKey, newValue);
}
if (ButtonDrawers.Minus(row[2]))
{
dict.RemoveEntry(newKey);
}
}
}
private bool DrawFoldout(Rect position, GUIContent label, IEditorDictionary dict,
object defaultKey, object defaultValue)
{
int fieldToken = fieldInfo.MetadataToken;
if (!Foldouts.ContainsKey(fieldToken))
{
Foldouts[fieldToken] = false;
}
float buttonWidth = ButtonDrawers.ButtonSize.x;
Rect[] rects = position.SplitRow(position.width - buttonWidth, buttonWidth);
bool foldout = EditorGUI.Foldout(rects[0], Foldouts[fieldToken], label);
if (ButtonDrawers.Plus(rects[1]))
{
defaultKey ??= CreateInstance(dict.KeyType);
defaultValue ??= CreateInstance(dict.ValueType);
dict.AddEntry(defaultKey, defaultValue);
}
return(Foldouts[fieldToken] = foldout);
}
private bool ValidateDefaultConstructors(SerializedProperty property, out string message)
{
DictionaryViewAttribute viewAttr = GetViewAttr();
IEditorDictionary dict = GetDict(property);
if (viewAttr.DefaultKey == null)
{
try
{
CreateInstance(dict !.KeyType);
}
catch (MissingMethodException)
{
message = "Invalid key constructor. Use DictionaryView(defaultKey: ...)";
return(false);
}
}
if (viewAttr.DefaultValue == null)
{
try
{
CreateInstance(dict !.ValueType);
}
catch (MissingMethodException)
{
message = "Invalid value constructor. Use DictionaryView(defaultValue: ...)";
return(false);
}
}
message = null;
return(true);
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
DictionaryViewAttribute viewAttr = GetViewAttr();
if (viewAttr == null)
{
EditorGUI.PropertyField(position, property, label, true);
return;
}
position.height = 18;
if (!TryValidate(property, out string message))
{
if (message != null && viewAttr.ShowUnsupportedBox)
{
EditorGUI.HelpBox(position, message, MessageType.Error);
}
return;
}
int fieldToken = fieldInfo.MetadataToken;
if (!Foldouts.ContainsKey(fieldToken))
{
Foldouts[fieldToken] = false;
}
IEditorDictionary dict = GetDict(property);
if (DrawFoldout(position, label, dict, viewAttr.DefaultKey, viewAttr.DefaultValue))
{
DrawBody(position, dict);
}
}
private bool CanBeDrawn(IEditorDictionary dict) => Drawers.CanDraw(dict.KeyType) && Drawers.CanDraw(dict.ValueType);
