PowerListDrawerWrapper GetPowerListDrawer(Object target, string propertyPath)
{
if (target == null || string.IsNullOrEmpty(propertyPath))
{
return(null);
}
//Get dict layer1
if (!powerListDrawerDict.ContainsKey(target))
{
powerListDrawerDict.Add(target, new Dictionary <string, PowerListDrawerWrapper>());
}
Dictionary <string, PowerListDrawerWrapper> dict = powerListDrawerDict[target];
SerializedObject serializedObject = new SerializedObject(target);
SerializedProperty listProperty = serializedObject.FindProperty(propertyPath);
if (listProperty == null)
{
return(null);
}
//Get dict layer2
if (!dict.ContainsKey(propertyPath))
{
PowerListDrawerWrapper wrapper = new PowerListDrawerWrapper();
//Prepare data
wrapper.serializedObject = serializedObject;
wrapper.listProperty = listProperty;
wrapper.reorderableList = new ReorderableList(serializedObject, listProperty, true, true, true, true);
wrapper.activeIndex = 0;
dict.Add(propertyPath, wrapper);
}
return(dict[propertyPath]);
}
public float DrawPowerList(Rect position, Object targetObject, string listPropertyPath, string keyWord = null)
{
PowerListDrawerWrapper wrapper = GetPowerListDrawer(targetObject, listPropertyPath);
if (wrapper == null)
{
return(PowerInspectorUtility.DrawErrorMessage(position, targetObject.name + "." + listPropertyPath + " is not a valid list-typed property path!"));
}
wrapper.serializedObject.Update();
//Draw reorderable list
ReorderableList reorderableList = wrapper.reorderableList;
//Initialize reorderable list
reorderableList.drawElementCallback = (rect, index, isActive, isFocused) =>
{
SerializedProperty elem = wrapper.listProperty.GetArrayElementAtIndex(index);
if (isActive)
{
wrapper.activeIndex = index;
}
if (keyWord == null)
{
EditorGUI.PropertyField(rect, elem);
}
else
{
SerializedProperty keyProperty = elem.FindPropertyRelative(keyWord);
if (keyProperty != null && keyProperty.propertyType == SerializedPropertyType.String)
{
BeginIndentLevel(0);
EditorGUI.LabelField(rect, keyProperty.stringValue);
EndIndentLevel();
}
else
{
EditorGUI.PropertyField(rect, elem);
}
}
};
reorderableList.drawHeaderCallback = (rect) =>
{
BeginIndentLevel(0);
EditorGUI.LabelField(rect, wrapper.listProperty.displayName);
EndIndentLevel();
};
position.x += EditorGUI.indentLevel * EditorGUIUtility.singleLineHeight;
position.width -= EditorGUI.indentLevel * EditorGUIUtility.singleLineHeight;
reorderableList.DoList(position);
float listHeight = reorderableList.GetHeight();
position.y += listHeight;
//Draw element property field under reorderable list
wrapper.activeIndex = wrapper.activeIndex >= wrapper.listProperty.arraySize ? wrapper.listProperty.arraySize - 1 : wrapper.activeIndex;
if (wrapper.activeIndex >= 0)
{
SerializedProperty elem = wrapper.listProperty.GetArrayElementAtIndex(wrapper.activeIndex);
elem.isExpanded = true;
EditorGUI.PropertyField(position, elem, true);
wrapper.serializedObject.ApplyModifiedProperties();
return(listHeight + EditorGUI.GetPropertyHeight(elem));
}
else
{
wrapper.serializedObject.ApplyModifiedProperties();
return(listHeight);
}
}