public override void DrawProperty(SerializedProperty property) { EditorDrawUtility.DrawHeader(property); DropdownAttribute dropdownAttribute = PropertyUtility.GetAttribute <DropdownAttribute>(property); UnityEngine.Object target = PropertyUtility.GetTargetObject(property); FieldInfo fieldInfo = ReflectionUtility.GetField(target, property.name); FieldInfo valuesFieldInfo = ReflectionUtility.GetField(target, dropdownAttribute.ValuesFieldName); if (valuesFieldInfo == null) { this.DrawWarningBox(string.Format("{0} cannot find a values field with name \"{1}\"", dropdownAttribute.GetType().Name, dropdownAttribute.ValuesFieldName)); EditorGUILayout.PropertyField(property, true); } else if (valuesFieldInfo.GetValue(target) is IList && fieldInfo.FieldType == this.GetElementType(valuesFieldInfo)) { // Selected value object selectedValue = fieldInfo.GetValue(target); // Values and display options IList valuesList = (IList)valuesFieldInfo.GetValue(target); object[] values = new object[valuesList.Count]; string[] displayOptions = new string[valuesList.Count]; for (int i = 0; i < values.Length; i++) { object value = valuesList[i]; values[i] = value; displayOptions[i] = value.ToString(); } // Selected value index int selectedValueIndex = Array.IndexOf(values, selectedValue); if (selectedValueIndex < 0) { selectedValueIndex = 0; } // Draw the dropdown this.DrawDropdown(target, fieldInfo, property.displayName, selectedValueIndex, values, displayOptions); } else if (valuesFieldInfo.GetValue(target) is IDropdownList) { // Current value object selectedValue = fieldInfo.GetValue(target); // Current value index, values and display options IDropdownList dropdown = (IDropdownList)valuesFieldInfo.GetValue(target); IEnumerator <KeyValuePair <string, object> > dropdownEnumerator = dropdown.GetEnumerator(); int index = -1; int selectedValueIndex = -1; List <object> values = new List <object>(); List <string> displayOptions = new List <string>(); while (dropdownEnumerator.MoveNext()) { index++; KeyValuePair <string, object> current = dropdownEnumerator.Current; if (current.Value.Equals(selectedValue)) { selectedValueIndex = index; } values.Add(current.Value); displayOptions.Add(current.Key); } if (selectedValueIndex < 0) { selectedValueIndex = 0; } // Draw the dropdown this.DrawDropdown(target, fieldInfo, property.displayName, selectedValueIndex, values.ToArray(), displayOptions.ToArray()); } else { this.DrawWarningBox(typeof(DropdownAttribute).Name + " works only when the type of the field is equal to the element type of the array"); EditorGUILayout.PropertyField(property, true); } }
public override bool CanDrawProperty(SerializedProperty property) { ShowIfAttribute showIfAttribute = PropertyUtility.GetAttribute <ShowIfAttribute>(property); UnityEngine.Object target = PropertyUtility.GetTargetObject(property); List <bool> conditionValues = new List <bool>(); foreach (var condition in showIfAttribute.Conditions) { FieldInfo conditionField = ReflectionUtility.GetField(target, condition); if (conditionField != null && conditionField.FieldType == typeof(bool)) { conditionValues.Add((bool)conditionField.GetValue(target)); } MethodInfo conditionMethod = ReflectionUtility.GetMethod(target, condition); if (conditionMethod != null && conditionMethod.ReturnType == typeof(bool) && conditionMethod.GetParameters().Length == 0) { conditionValues.Add((bool)conditionMethod.Invoke(target, null)); } } if (conditionValues.Count > 0) { bool draw; if (showIfAttribute.ConditionOperator == ConditionOperator.And) { draw = true; foreach (var value in conditionValues) { draw = draw && value; } } else { draw = false; foreach (var value in conditionValues) { draw = draw || value; } } if (showIfAttribute.Reversed) { draw = !draw; } return(draw); } else { string warning = showIfAttribute.GetType().Name + " needs a valid boolean condition field or method name to work"; EditorDrawUtility.DrawHelpBox(warning, MessageType.Warning, context: target); return(true); } }
public static T[] GetAttributes <T>(SerializedProperty property) where T : Attribute { FieldInfo fieldInfo = ReflectionUtility.GetField(GetTargetObject(property), property.name); return((T[])fieldInfo.GetCustomAttributes(typeof(T), true)); }